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| author | Peter Zijlstra <[email protected]> | 2020-10-30 13:58:48 +0000 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2020-11-09 17:12:33 +0000 |
| commit | 9dfa9a5c9bae3417b87824e7ac73b00c10b6a874 (patch) | |
| tree | 2c36d0070f18e59ff947b56b4ca53ffad5be1744 /scripts/bpf_helpers_doc.py | |
| parent | perf: Reduce stack usage of perf_output_begin() (diff) | |
| download | kernel-9dfa9a5c9bae3417b87824e7ac73b00c10b6a874.tar.gz kernel-9dfa9a5c9bae3417b87824e7ac73b00c10b6a874.zip | |
perf/x86: Reduce stack usage for x86_pmu::drain_pebs()
intel_pmu_drain_pebs_*() is typically called from handle_pmi_common(),
both have an on-stack struct perf_sample_data, which is *big*. Rewire
things so that drain_pebs() can use the one handle_pmi_common() has.
Reported-by: Thomas Gleixner <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'scripts/bpf_helpers_doc.py')
0 files changed, 0 insertions, 0 deletions