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[System][z/OS] Fix per-thread timing error on z/OS (#76947)

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This patch calls ProcessCPUUsage() for z/OS because we do not support CLOCK_THREAD_CPUTIME_ID. This copies the change made to google benchmark here
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Abhina Sree 2024-01-05 07:57:07 -05:00 committed by GitHub
parent 86127305d4
commit 70e67253d6
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3
third-party/benchmark/src/timers.cc vendored
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@ -168,6 +168,9 @@ double ThreadCPUUsage() {
// RTEMS doesn't support CLOCK_THREAD_CPUTIME_ID. See
// https://github.com/RTEMS/rtems/blob/master/cpukit/posix/src/clockgettime.c
return ProcessCPUUsage();
#elif defined(BENCHMARK_OS_ZOS)
// z/OS doesn't support CLOCK_THREAD_CPUTIME_ID.
return ProcessCPUUsage();
#elif defined(BENCHMARK_OS_SOLARIS)
struct rusage ru;
if (getrusage(RUSAGE_LWP, &ru) == 0) return MakeTime(ru);