| /* |
| Copyright (c) 2012 Martin Sustrik All rights reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #include "stopwatch.h" |
| |
| #if defined NN_HAVE_WINDOWS |
| |
| #include "win.h" |
| |
| void nn_stopwatch_init (struct nn_stopwatch *self) |
| { |
| LARGE_INTEGER time; |
| |
| QueryPerformanceCounter (&time); |
| self->start = (uint64_t) (time.QuadPart); |
| } |
| |
| uint64_t nn_stopwatch_term (struct nn_stopwatch *self) |
| { |
| LARGE_INTEGER tps; |
| LARGE_INTEGER time; |
| |
| QueryPerformanceFrequency (&tps); |
| QueryPerformanceCounter (&time); |
| return (uint64_t) ((time.QuadPart - self->start) * 1000000 / tps.QuadPart); |
| } |
| |
| #else |
| |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <sys/time.h> |
| |
| void nn_stopwatch_init (struct nn_stopwatch *self) |
| { |
| int rc; |
| struct timeval tv; |
| |
| rc = gettimeofday (&tv, NULL); |
| assert (rc == 0); |
| self->start = (uint64_t) (((uint64_t) tv.tv_sec) * 1000000 + tv.tv_usec); |
| } |
| |
| uint64_t nn_stopwatch_term (struct nn_stopwatch *self) |
| { |
| int rc; |
| struct timeval tv; |
| uint64_t end; |
| |
| rc = gettimeofday (&tv, NULL); |
| assert (rc == 0); |
| end = (uint64_t) (((uint64_t) tv.tv_sec) * 1000000 + tv.tv_usec); |
| return end - self->start; |
| } |
| |
| #endif |