hi,
adding the check for maximum allowed frequency rate
defined in perf_event_max_sample_rate.
Plus procfs mountpoint reading code. Reachable here:
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
perf/max_rate
v2 changes:
naming changes suggested by Arnaldo in patch 1/3
patch 3/3:
- unify freq. config code for record and top
- add warning for default rate crossing the max
jirka
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@elte.hu>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Joe Mario <jma...@redhat.com>
Cc: Don Zickus <dzic...@redhat.com>
---
Jiri Olsa (3):
perf tools: Factor sysfs code into generic fs object
perf tools: Add procfs support into fs object
perf tools: Check maximum frequency rate for record/top
tools/perf/Makefile.perf | 4 ++--
tools/perf/builtin-record.c | 15 +-----------
tools/perf/builtin-top.c | 15 +-----------
tools/perf/tests/parse-events.c | 2 +-
tools/perf/util/cpumap.c | 2 +-
tools/perf/util/evlist.h | 1 +
tools/perf/util/fs.c | 119
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/fs.h | 7 ++++++
tools/perf/util/include/linux/magic.h | 4 ++++
tools/perf/util/pmu.c | 2 +-
tools/perf/util/python-ext-sources | 2 +-
tools/perf/util/record.c | 72
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/sysfs.c | 60
-----------------------------------------------
tools/perf/util/sysfs.h | 6 -----
14 files changed, 211 insertions(+), 100 deletions(-)
create mode 100644 tools/perf/util/fs.c
create mode 100644 tools/perf/util/fs.h
delete mode 100644 tools/perf/util/sysfs.c
delete mode 100644 tools/perf/util/sysfs.h
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