Commit-ID: 3d5d68aabf4ff47cfb447ad90448ce50531be7f5 Gitweb: http://git.kernel.org/tip/3d5d68aabf4ff47cfb447ad90448ce50531be7f5 Author: Kan Liang <[email protected]> AuthorDate: Wed, 8 Jul 2015 04:44:54 -0400 Committer: Arnaldo Carvalho de Melo <[email protected]> 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 <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Namhyung Kim <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
