diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-05-30 10:59:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-30 10:59:04 +0200 |
| commit | 063e04776172f93b16a5eefd5661a340c1126513 (patch) | |
| tree | 19cb1623631c8cc5dcf0d91f4731feec7cbefa04 /tools/perf/Documentation/perf-probe.txt | |
| parent | 59cd358a7a5b2f6b61faa01dae6cfda3830ac62a (diff) | |
| parent | 731a7378b81c2f5fa88ca1ae20b83d548d5613dc (diff) | |
Merge branch 'linus' into perf/urgent
Merge back Linus's latest branch so that we pick up the uprobes changes.
( I tested this branch locally and while it's one from the middle of the
merge window it's a good one to base further work off. )
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/Documentation/perf-probe.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-probe.txt | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index 2780d9ce48bf..b715cb71592b 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -77,7 +77,8 @@ OPTIONS -F:: --funcs:: - Show available functions in given module or kernel. + Show available functions in given module or kernel. With -x/--exec, + can also list functions in a user space executable / shared library. --filter=FILTER:: (Only for --vars and --funcs) Set filter. FILTER is a combination of glob @@ -98,6 +99,15 @@ OPTIONS --max-probes:: Set the maximum number of probe points for an event. Default is 128. +-x:: +--exec=PATH:: + Specify path to the executable or shared library file for user + space tracing. Can also be used with --funcs option. + +In absence of -m/-x options, perf probe checks if the first argument after +the options is an absolute path name. If its an absolute path, perf probe +uses it as a target module/target user space binary to probe. + PROBE SYNTAX ------------ Probe points are defined by following syntax. @@ -182,6 +192,13 @@ Delete all probes on schedule(). ./perf probe --del='schedule*' +Add probes at zfree() function on /bin/zsh + + ./perf probe -x /bin/zsh zfree or ./perf probe /bin/zsh zfree + +Add probes at malloc() function on libc + + ./perf probe -x /lib/libc.so.6 malloc or ./perf probe /lib/libc.so.6 malloc SEE ALSO -------- |