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| author | Ian Rogers <irogers@google.com> | 2025-06-04 20:45:41 +0300 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-06-09 21:18:18 +0300 |
| commit | bf1976dd28b4ec611d4f0bf5b0de40b1dd21b253 (patch) | |
| tree | f8a452a257fba88f3e04b58f9cc916898f2318f5 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 38f83cc9ab8f74732de66044d1a126ca46347eea (diff) | |
| download | linux-bf1976dd28b4ec611d4f0bf5b0de40b1dd21b253.tar.xz | |
perf trace: Switch user option to use BPF filter
Finding user processes by scanning /proc is inherently racy and
results in perf_event_open failures. Use a BPF filter to drop samples
where the uid doesn't match. Ensure adding the BPF filter forces
system-wide.
Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250604174545.2853620-8-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions