diff --git a/infra/bots/recipes/perf_skottietrace.expected/Perf-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android_SkottieTracing.json b/infra/bots/recipes/perf_skottietrace.expected/Perf-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android_SkottieTracing.json
index 06bc7d8..376bb3d 100644
--- a/infra/bots/recipes/perf_skottietrace.expected/Perf-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android_SkottieTracing.json
+++ b/infra/bots/recipes/perf_skottietrace.expected/Perf-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android_SkottieTracing.json
@@ -543,7 +543,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie 3!.json",
       "/path/to/tmp/json"
@@ -576,12 +576,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -734,7 +730,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie(test)'!2.json",
       "/path/to/tmp/json"
@@ -767,12 +763,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -925,7 +917,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie1.json",
       "/path/to/tmp/json"
@@ -958,12 +950,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
diff --git a/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-SkottieTracing.json b/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-SkottieTracing.json
index b728f46..0f47d5b 100644
--- a/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-SkottieTracing.json
+++ b/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-GCE-CPU-AVX2-x86_64-Release-All-SkottieTracing.json
@@ -152,7 +152,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie 3!.json",
       "/path/to/tmp/json"
@@ -185,12 +185,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -291,7 +287,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie(test)'!2.json",
       "/path/to/tmp/json"
@@ -324,12 +320,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -430,7 +422,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie1.json",
       "/path/to/tmp/json"
@@ -463,12 +455,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
diff --git a/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-NUC7i5BNK-GPU-IntelIris640-x86_64-Release-All-SkottieTracing.json b/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-NUC7i5BNK-GPU-IntelIris640-x86_64-Release-All-SkottieTracing.json
index 9d91742..05b6787 100644
--- a/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-NUC7i5BNK-GPU-IntelIris640-x86_64-Release-All-SkottieTracing.json
+++ b/infra/bots/recipes/perf_skottietrace.expected/Perf-Debian9-Clang-NUC7i5BNK-GPU-IntelIris640-x86_64-Release-All-SkottieTracing.json
@@ -155,7 +155,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie 3!.json",
       "/path/to/tmp/json"
@@ -188,12 +188,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -297,7 +293,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie(test)'!2.json",
       "/path/to/tmp/json"
@@ -330,12 +326,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -439,7 +431,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie1.json",
       "/path/to/tmp/json"
@@ -472,12 +464,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
diff --git a/infra/bots/recipes/perf_skottietrace.expected/skottietracing_parse_trace_error.json b/infra/bots/recipes/perf_skottietrace.expected/skottietracing_parse_trace_error.json
index b3d4f4e..04a4537 100644
--- a/infra/bots/recipes/perf_skottietrace.expected/skottietracing_parse_trace_error.json
+++ b/infra/bots/recipes/perf_skottietrace.expected/skottietracing_parse_trace_error.json
@@ -543,7 +543,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie 3!.json",
       "/path/to/tmp/json"
@@ -576,12 +576,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
diff --git a/infra/bots/recipes/perf_skottietrace.expected/skottietracing_trybot.json b/infra/bots/recipes/perf_skottietrace.expected/skottietracing_trybot.json
index 7b0b4e1..e3c7ea9 100644
--- a/infra/bots/recipes/perf_skottietrace.expected/skottietracing_trybot.json
+++ b/infra/bots/recipes/perf_skottietrace.expected/skottietracing_trybot.json
@@ -543,7 +543,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie 3!.json",
       "/path/to/tmp/json"
@@ -576,12 +576,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -734,7 +730,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie(test)'!2.json",
       "/path/to/tmp/json"
@@ -767,12 +763,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
@@ -925,7 +917,7 @@
     "cmd": [
       "python",
       "-u",
-      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nskipped_first_seek = False  # Skip the first seek constructor call.\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if not skipped_first_seek:\n      skipped_first_seek = True\n      continue\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
+      "\nimport json\nimport sys\n\ntrace_output = sys.argv[1]\ntrace_json = json.loads(trace_output)\nlottie_filename = sys.argv[2]\noutput_json_file = sys.argv[3]\n\nperf_results = {}\nframe_max = 0\nframe_min = 0\nframe_cumulative = 0\ncurrent_frame_duration = 0\ntotal_frames = 0\nframe_start = False\nfor trace in trace_json:\n  if 'skottie::Animation::seek' in trace['name']:\n    if frame_start:\n      raise Exception('We got consecutive Animation::seek without a ' +\n                      'render. Something is wrong.')\n    frame_start = True\n    current_frame_duration = trace['dur']\n  elif 'skottie::Animation::render' in trace['name']:\n    if not frame_start:\n      raise Exception('We got an Animation::render without a seek first. ' +\n                      'Something is wrong.')\n\n    current_frame_duration += trace['dur']\n    frame_start = False\n    total_frames += 1\n    frame_max = max(frame_max, current_frame_duration)\n    frame_min = (min(frame_min, current_frame_duration)\n                 if frame_min else current_frame_duration)\n    frame_cumulative += current_frame_duration\n\nexpected_dm_frames = 25\nif total_frames != expected_dm_frames:\n  raise Exception(\n      'Got ' + str(total_frames) + ' frames instead of ' +\n      str(expected_dm_frames))\nperf_results['frame_max_us'] = frame_max\nperf_results['frame_min_us'] = frame_min\nperf_results['frame_avg_us'] = frame_cumulative/total_frames\n\n# Write perf_results to the output json.\nwith open(output_json_file, 'w') as f:\n  f.write(json.dumps(perf_results))\n",
       "\n[{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":452,\"dur\":2.57,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPaint(const SkPaint &)\",\"ts\":473,\"dur\":2.67e+03,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.15e+03,\"dur\":2.25,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.15e+03,\"dur\":216,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void SkCanvas::drawPath(const SkPath &, const SkPaint &)\",\"ts\":3.35e+03,\"dur\":15.1,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::seek(SkScalar)\",\"ts\":3.37e+03,\"dur\":1.17,\"tid\":1,\"pid\":0},{\"ph\":\"X\",\"name\":\"void skottie::Animation::render(SkCanvas *, const SkRect *, RenderFlags) const\",\"ts\":3.37e+03,\"dur\":140,\"tid\":1,\"pid\":0}]\n",
       "lottie1.json",
       "/path/to/tmp/json"
@@ -958,12 +950,8 @@
       "@@@STEP_LOG_LINE@python.inline@current_frame_duration = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@total_frames = 0@@@",
       "@@@STEP_LOG_LINE@python.inline@frame_start = False@@@",
-      "@@@STEP_LOG_LINE@python.inline@skipped_first_seek = False  # Skip the first seek constructor call.@@@",
       "@@@STEP_LOG_LINE@python.inline@for trace in trace_json:@@@",
       "@@@STEP_LOG_LINE@python.inline@  if 'skottie::Animation::seek' in trace['name']:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not skipped_first_seek:@@@",
-      "@@@STEP_LOG_LINE@python.inline@      skipped_first_seek = True@@@",
-      "@@@STEP_LOG_LINE@python.inline@      continue@@@",
       "@@@STEP_LOG_LINE@python.inline@    if frame_start:@@@",
       "@@@STEP_LOG_LINE@python.inline@      raise Exception('We got consecutive Animation::seek without a ' +@@@",
       "@@@STEP_LOG_LINE@python.inline@                      'render. Something is wrong.')@@@",
diff --git a/infra/bots/recipes/perf_skottietrace.py b/infra/bots/recipes/perf_skottietrace.py
index f65abff..5d16f41 100644
--- a/infra/bots/recipes/perf_skottietrace.py
+++ b/infra/bots/recipes/perf_skottietrace.py
@@ -180,12 +180,8 @@
   current_frame_duration = 0
   total_frames = 0
   frame_start = False
-  skipped_first_seek = False  # Skip the first seek constructor call.
   for trace in trace_json:
     if '%s' in trace['name']:
-      if not skipped_first_seek:
-        skipped_first_seek = True
-        continue
       if frame_start:
         raise Exception('We got consecutive Animation::seek without a ' +
                         'render. Something is wrong.')
diff --git a/modules/skottie/include/Skottie.h b/modules/skottie/include/Skottie.h
index 0741d91..723f674 100644
--- a/modules/skottie/include/Skottie.h
+++ b/modules/skottie/include/Skottie.h
@@ -148,6 +148,9 @@
     /**
      * Draws the current animation frame.
      *
+     * It is undefined behavior to call render() on a newly created Animation
+     * before specifying an initial frame via one of the seek() variants.
+     *
      * @param canvas   destination canvas
      * @param dst      optional destination rect
      * @param flags    optional RenderFlags
diff --git a/modules/skottie/src/Skottie.cpp b/modules/skottie/src/Skottie.cpp
index 9479806..25be33d 100644
--- a/modules/skottie/src/Skottie.cpp
+++ b/modules/skottie/src/Skottie.cpp
@@ -550,11 +550,7 @@
     , fOutPoint(outPoint)
     , fDuration(duration)
     , fFPS(fps)
-    , fFlags(flags) {
-
-    // In case the client calls render before the first tick.
-    this->seek(0);
-}
+    , fFlags(flags) {}
 
 Animation::~Animation() = default;