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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2014-07-22 16:17:32 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-07-23 11:48:11 -0300 |
| commit | a6a69db4b686e51045771945669bba6578af67c1 (patch) | |
| tree | db97f51a927367b4bd875c7879150af5eba0714a /tools/perf/util/tsc.c | |
| parent | perf machine: Add ability to record the current tid for each cpu (diff) | |
| download | linux-dev-a6a69db4b686e51045771945669bba6578af67c1.tar.xz linux-dev-a6a69db4b686e51045771945669bba6578af67c1.zip | |
perf tools: Move rdtsc() function
Move the rdtsc() function so it can be reusued.
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: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406035081-14301-24-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/tsc.c')
| -rw-r--r-- | tools/perf/util/tsc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/tsc.c b/tools/perf/util/tsc.c index ef4749836ce9..4d4210d4e13d 100644 --- a/tools/perf/util/tsc.c +++ b/tools/perf/util/tsc.c @@ -23,3 +23,8 @@ u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc) return tc->time_zero + quot * tc->time_mult + ((rem * tc->time_mult) >> tc->time_shift); } + +u64 __weak rdtsc(void) +{ + return 0; +} |