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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2011-01-20 15:15:45 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-28 12:20:25 +0100
commit3c42258c9a4db70133fa6946a275b62a16792bb5 (patch)
treef80956618d48e27bd08f4dacf70866bce8f6846f /tools/perf/Documentation/perf-probe.txt
parentperf probe: Add variable filter support (diff)
downloadlinux-3c42258c9a4db70133fa6946a275b62a16792bb5.tar.xz
linux-3c42258c9a4db70133fa6946a275b62a16792bb5.zip
perf probe: Add filters support for available functions
Add filters support for available function list. Default filter is "!_*" for filtering out local-purpose symbols. e.g.: # perf probe --filter="add*" -F add_disk add_disk_randomness add_input_randomness add_interrupt_randomness add_memory add_page_to_unevictable_list add_page_wait_queue ... Cc: 2nddept-manager@sdl.hitachi.co.jp Cc: Chase Douglas <chase.douglas@canonical.com> Cc: Franck Bui-Huu <fbuihuu@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20110120141545.25915.85930.stgit@ltc236.sdl.hitachi.co.jp> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-probe.txt')
-rw-r--r--tools/perf/Documentation/perf-probe.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 32fb18f1695d..81c3220e04f3 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -78,10 +78,11 @@ OPTIONS
Show available functions in given module or kernel.
--filter=FILTER::
- (Only for --vars) Set filter for variables. FILTER is a combination of
- glob pattern, see FILTER PATTERN for details.
- Default FILTER is "!__k???tab_* & !__crc_*".
- If several filters are specified, only the last filter is valid.
+ (Only for --vars and --funcs) Set filter. FILTER is a combination of glob
+ pattern, see FILTER PATTERN for detail.
+ Default FILTER is "!__k???tab_* & !__crc_*" for --vars, and "!_*"
+ for --funcs.
+ If several filters are specified, only the last filter is used.
-f::
--force::