diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/tsc.c | 5 | ||||
-rw-r--r-- | tools/perf/util/tsc.h | 1 |
2 files changed, 6 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; +} diff --git a/tools/perf/util/tsc.h b/tools/perf/util/tsc.h index 4eca84887c8a..a8b78f1b3243 100644 --- a/tools/perf/util/tsc.h +++ b/tools/perf/util/tsc.h @@ -7,5 +7,6 @@ u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc); u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc); +u64 rdtsc(void); #endif |