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87419c9aff
If the OS does not have timerfd support (e.g., older OS'es like RHEL5) disable perf kvm stat live. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1383064996-20933-2-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
19 lines
299 B
C
19 lines
299 B
C
/*
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* test for timerfd functions used by perf-kvm-stat-live
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*/
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#include <sys/timerfd.h>
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int main(void)
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{
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struct itimerspec new_value;
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int fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
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if (fd < 0)
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return 1;
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if (timerfd_settime(fd, 0, &new_value, NULL) != 0)
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return 1;
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return 0;
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}
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