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| author | Jiri Olsa | 2016-06-14 20:19:11 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2016-06-15 15:35:27 +0200 |
| commit | b0d745b3c34a7fd9ee0b78b929b94c706f84e341 (patch) | |
| tree | 7b1095cd5772290b3f6b92035d4b9eef6ea7f60b /tools/perf/builtin-mem.c | |
| parent | perf unwind: Fix compile error for static cross build (diff) | |
| download | kernel-qcow2-linux-b0d745b3c34a7fd9ee0b78b929b94c706f84e341.tar.gz kernel-qcow2-linux-b0d745b3c34a7fd9ee0b78b929b94c706f84e341.tar.xz kernel-qcow2-linux-b0d745b3c34a7fd9ee0b78b929b94c706f84e341.zip | |
perf mem: Add --ldlat option
Adding --ldlat option to specify desired latency for loads event.
Specify 50 as loads event latency:
$ perf mem record -e ldlat-loads -v --ldlat 50 true
calling: record -W -d -e cpu/mem-loads,ldlat=50/P true
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1465928361-2442-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-mem.c')
| -rw-r--r-- | tools/perf/builtin-mem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 1dc140c5481d..d608a2c9e48c 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -67,6 +67,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) OPT_CALLBACK('e', "event", &mem, "event", "event selector. use 'perf mem record -e list' to list available events", parse_record_events), + OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"), |