Messages in this thread Patch in this message | | | Date | Tue, 12 Nov 2013 13:56:31 -0800 | From | tip-bot for Adrian Hunter <> | Subject | [tip:perf/urgent] perf tests: Compensate lower sample freq with longer test loop |
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Commit-ID: 3fe2130523b2e098085eb4d38cd5b737a97cbee6 Gitweb: http://git.kernel.org/tip/3fe2130523b2e098085eb4d38cd5b737a97cbee6 Author: Adrian Hunter <adrian.hunter@intel.com> AuthorDate: Tue, 12 Nov 2013 11:45:21 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Tue, 12 Nov 2013 13:00:37 -0300
perf tests: Compensate lower sample freq with longer test loop
Doesn't work for me:
./perf test -v 19 19: Test software clock events have valid period values : --- start --- mmap size 528384B mmap size 528384B All (0) samples have period value of 1! ---- end ---- Test software clock events have valid period values: FAILED!
Compensate the lower freq introduced in 67c1e4a53b17 with a longer loop,
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/5281D3B8.2030104@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/tests/sw-clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 93a7139..6664a7c 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -9,7 +9,7 @@ #include "util/cpumap.h" #include "util/thread_map.h" -#define NR_LOOPS 1000000 +#define NR_LOOPS 10000000 /* * This test will open software clock events (cpu-clock, task-clock)
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