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Remove SystemThread performance stats

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Resolves #18
This commit is contained in:
Tyler Wilding
2020-09-13 21:38:56 -04:00
parent 28cd6a7e65
commit 80d04a8fbd
2 changed files with 0 additions and 36 deletions
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game/system/SystemThread.cpp
-33
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@@ -134,36 +134,3 @@ bool SystemThreadInterface::get_want_exit() const {
void SystemThreadInterface::trigger_shutdown() {
thread.manager->shutdown();
}
// TODO-Windows
#ifdef __linux__
#include <sys/time.h>
#include <sys/resource.h>
/*!
* Get thread performance statistics and report them.
*/
void SystemThreadInterface::report_perf_stats() {
if (thread.stat_diff_timer.getMs() > 16.f) {
thread.stat_diff_timer.start();
uint64_t current_ns = thread.stats_timer.getNs();
rusage stats;
getrusage(RUSAGE_THREAD, &stats);
uint64_t current_kernel = stats.ru_stime.tv_usec + (1000000 * stats.ru_stime.tv_sec);
uint64_t current_user = stats.ru_utime.tv_usec + (1000000 * stats.ru_utime.tv_sec);
uint64_t ns_dt = current_ns - thread.last_collection_nanoseconds;
uint64_t dt_kernel = current_kernel - thread.last_cpu_kernel;
uint64_t dt_user = current_user - thread.last_cpu_user;
thread.cpu_kernel = dt_kernel * 1000. / (double)ns_dt;
thread.cpu_user = dt_user * 1000. / (double)ns_dt;
thread.last_cpu_kernel = current_kernel;
thread.last_cpu_user = current_user;
thread.last_collection_nanoseconds = current_ns;
}
}
#endif