| From | Srikar Dronamraju <> | Date | Tue, 20 Sep 2011 17:35:07 +0530 | Subject | [PATCH v5 3.1.0-rc4-tip 25/26] perf: Documentation for perf uprobes |
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Modify perf-probe.txt to include uprobe documentation
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> --- tools/perf/Documentation/perf-probe.txt | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index 800775e..3c98a54 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -78,6 +78,8 @@ OPTIONS -F:: --funcs:: 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 +100,11 @@ 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. + PROBE SYNTAX ------------ Probe points are defined by following syntax. @@ -182,6 +189,13 @@ Delete all probes on schedule(). ./perf probe --del='schedule*' +Add probes at zfree() function on /bin/zsh + + ./perf probe -x /bin/zsh zfree + +Add probes at malloc() function on libc + + ./perf probe -x /lib/libc.so.6 malloc SEE ALSO --------
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