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linux/tools/lib/api
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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
..
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
Build tools lib api: Add str_error_c to libapi 2016-07-27 17:16:43 -03:00
cpu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debug-internal.h tools lib api: Renaming pr_warning to pr_warn 2019-10-18 15:02:57 +02:00
debug.c tools lib api: Renaming pr_warning to pr_warn 2019-10-18 15:02:57 +02:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io.h libsymbols kallsyms: Parse using io api 2020-05-05 16:35:32 -03:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00