perf tools: Add perf_pmu__scan_file()
authorAdrian Hunter <adrian.hunter@intel.com>
Thu, 31 Jul 2014 06:00:50 +0000 (09:00 +0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 17 Sep 2014 20:08:09 +0000 (17:08 -0300)
commit7d4bdab5a441772bfc757d7f9eea9465ec5de0ec
treea0930d0dec69feb55fef8432f2bef7891c55675a
parentdc0a6202421170a6d8d2c6f5176575b3f60e0f85
perf tools: Add perf_pmu__scan_file()

Add a function to scan a sysfs file within the pmu device directory.

This will be used to read capability values from the PMU 'caps'
subdirectory.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406786474-9306-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/pmu.c
tools/perf/util/pmu.h