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| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-06-28 15:22:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-07-23 12:17:59 +0200 |
| commit | 3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4 (patch) | |
| tree | ac509b983fe147d6706449c3bc14031591807585 /tools/perf/Makefile | |
| parent | perf/x86: Add ability to calculate TSC from perf sample timestamps (diff) | |
| download | linux-3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4.tar.xz linux-3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4.zip | |
perf tools: Add test for converting perf time to/from TSC
The test uses the newly added cap_usr_time_zero and time_zero of
perf_event_mmap_page. TSC from rdtsc is compared with the time
from 2 perf events. The test passes if the calculated times are
all in the correct order.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1372425741-1676-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/Makefile')
| -rw-r--r-- | tools/perf/Makefile | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 024680b23ddc..bfd12d02a304 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -389,6 +389,9 @@ LIB_OBJS += $(OUTPUT)tests/bp_signal.o LIB_OBJS += $(OUTPUT)tests/bp_signal_overflow.o LIB_OBJS += $(OUTPUT)tests/task-exit.o LIB_OBJS += $(OUTPUT)tests/sw-clock.o +ifeq ($(ARCH),x86) +LIB_OBJS += $(OUTPUT)tests/perf-time-to-tsc.o +endif BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o |