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| author | Yabin Cui <yabinc@google.com> | 2015-06-15 14:36:43 -0700 |
|---|---|---|
| committer | Yabin Cui <yabinc@google.com> | 2015-06-15 14:37:26 -0700 |
| commit | 6e8a9a4e52242f82104644bca0318284b3bbdd6b (patch) | |
| tree | 961422e237f09d7bdc80944bdca0841d49626496 /simpleperf/event_selection_set.cpp | |
| parent | decc11c6b5f88c72d2ca72be5efe6064f2176d1c (diff) | |
| download | extras-6e8a9a4e52242f82104644bca0318284b3bbdd6b.tar.gz | |
Simpleperf: support callchain sampling in record command.
Bug: 19483574
Change-Id: Icd8ed7c316144fc51d54f196872061533bdeef2b
Diffstat (limited to 'simpleperf/event_selection_set.cpp')
| -rw-r--r-- | simpleperf/event_selection_set.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/simpleperf/event_selection_set.cpp b/simpleperf/event_selection_set.cpp index 644938c1..b1618bd8 100644 --- a/simpleperf/event_selection_set.cpp +++ b/simpleperf/event_selection_set.cpp @@ -92,6 +92,12 @@ bool EventSelectionSet::SetBranchSampling(uint64_t branch_sample_type) { return true; } +void EventSelectionSet::EnableCallChainSampling() { + for (auto& selection : selections_) { + selection.event_attr.sample_type |= PERF_SAMPLE_CALLCHAIN; + } +} + bool EventSelectionSet::OpenEventFilesForAllCpus() { std::vector<int> cpus = GetOnlineCpus(); if (cpus.empty()) { |