Commit-ID: 3d5d68aabf4ff47cfb447ad90448ce50531be7f5 Gitweb: http://git.kernel.org/tip/3d5d68aabf4ff47cfb447ad90448ce50531be7f5 Author: Kan Liang <kan.li...@intel.com> AuthorDate: Wed, 8 Jul 2015 04:44:54 -0400 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Tue, 14 Jul 2015 07:52:00 -0300
perf record: Document setting '-e pmu/period=N/' in man page The 'period' param is not defined in /sys/bus/event_sources/devices/<pmu>/format/*, but can be used, document it. Signed-off-by: Kan Liang <kan.li...@intel.com> Acked-by: Jiri Olsa <jo...@kernel.org> Cc: Andi Kleen <a...@linux.intel.com> Cc: Namhyung Kim <namhy...@kernel.org> Link: http://lkml.kernel.org/r/1436345097-11113-3-git-send-email-kan.li...@intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-record.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 9b9d9d0..5b47b2c 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -45,6 +45,14 @@ OPTIONS param1 and param2 are defined as formats for the PMU in: /sys/bus/event_sources/devices/<pmu>/format/* + There are also some params which are not defined in .../<pmu>/format/*. + These params can be used to set event defaults. + Here is a list of the params. + - 'period': Set event sampling period + + Note: If user explicitly sets options which conflict with the params, + the value set by the params will be overridden. + - a hardware breakpoint event in the form of '\mem:addr[/len][:access]' where addr is the address in memory you want to break in. Access is the memory access type (read, write, execute) it can -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
