Messages in this thread | | | From | Jiri Olsa <> | Date | Tue, 27 Sep 2022 23:24:44 +0200 | Subject | Re: [PATCH -tip] bpf: Check flags for branch stack in bpf_read_branch_records helper |
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On Tue, Sep 27, 2022 at 10:46:12PM +0200, Peter Zijlstra wrote: > On Tue, Sep 27, 2022 at 10:32:59PM +0200, Jiri Olsa wrote: > > Recent commit [1] changed branch stack data indication from > > br_stack pointer to sample_flags in perf_sample_data struct. > > > > We need to check sample_flags for PERF_SAMPLE_BRANCH_STACK > > bit for valid branch stack data. > > > > [1] a9a931e26668 ("perf: Use sample_flags for branch stack") > > > > Cc: Kan Liang <kan.liang@linux.intel.com> > > Fixes: a9a931e26668 ("perf: Use sample_flags for branch stack") > > Signed-off-by: Jiri Olsa <jolsa@kernel.org> > > --- > > NOTE sending on top of tip/master because [1] is not > > merged in bpf-next/master yet > > Shall I stick this in tip/perf/core right along with [1] then?
yes, sounds good
thanks, jirka
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