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| author | Robert Richter <[email protected]> | 2012-04-02 20:19:10 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2012-05-09 15:23:13 +0200 |
| commit | 6accb9cf76080422d400a641d9068b6b2a2c216f (patch) | |
| tree | 3774a7b43cb513761924209f5d51b1a497fcd3d2 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 7bf352384fda3f678a283928c6c5b2cd9da877e4 (diff) | |
perf/x86-ibs: Fix frequency profiling
Fixing profiling at a fixed frequency, in this case the freq value and
sample period was setup incorrectly. Since sampling periods are
adjusted we also allow periods that have lower 4 bits set.
Another fix is the setup of the hw counter: If we modify
hwc->sample_period, we also need to update hwc->last_period and
hwc->period_left.
Signed-off-by: Robert Richter <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions