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(parent: c54e2f8) | patch
perf top: Switch user option to use BPF filter
authorIan Rogers <irogers@google.com>
Wed, 4 Jun 2025 17:45:40 +0000 (10:45 -0700)
committerNamhyung Kim <namhyung@kernel.org>
Mon, 9 Jun 2025 18:18:18 +0000 (11:18 -0700)
commit38f83cc9ab8f74732de66044d1a126ca46347eea
tree7fdc97a2defe7c5334e78c6c4c375390aecda101tree
parentc54e2f82721aadd59d2a354ae2b5cc32d32047d9commit | diff
perf top: 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.

Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250604174545.2853620-7-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
tools/perf/builtin-top.c diff | blob | blame | history
tools/perf/util/top.c diff | blob | blame | history
tools/perf/util/top.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)