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| author | Namhyung Kim <namhyung@kernel.org> | 2020-12-16 12:05:56 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-02-17 21:09:08 +0300 |
| commit | 48859e5293a261437deb0231d78a388e242ed2d3 (patch) | |
| tree | d9053042a5878714b76fd3c5ec68f9e8dcfc107a /tools/perf/tests/code-reading.c | |
| parent | 6fd99b7f625c1fa0bbedbad03dc36e16e37e1777 (diff) | |
| download | linux-48859e5293a261437deb0231d78a388e242ed2d3.tar.xz | |
tools api fs: Cache cgroupfs mount point
Currently it parses the /proc file everytime it opens a file in the
cgroupfs. Save the last result to avoid it (assuming it won't be
changed between the accesses).
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20201216090556.813996-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/code-reading.c')
0 files changed, 0 insertions, 0 deletions