Namhyung Kim 48859e5293 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>		2021-02-17 15:09:08 -03:00
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fd	libperf: Avoid counting of nonfilterable fdarray fds	2020-07-21 09:53:22 -03:00
fs	tools api fs: Cache cgroupfs mount point	2021-02-17 15:09:08 -03:00
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