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authorAkihiro Nagai <akihiro.nagai.hw@hitachi.com>2012-01-30 13:43:20 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-01-30 18:13:07 -0200
commit0bc8d20580af74c9a8a39c200e269261e5cded05 (patch)
treecbbf96f45695cadd4a471850e7f29c05a5497d00 /tools/perf/Documentation/perf-script.txt
parenta978f2ab4166a84c77d0f846f59690f2a892d058 (diff)
downloadlinux-0bc8d20580af74c9a8a39c200e269261e5cded05.tar.gz
perf script: Add option resolving vmlinux path
Add the option get the path of [kernel.kallsyms]. Specify '--show-kernel-path' option to use this function. This patch enables other applications to use this output easily. Without --show-kernel-path option ffffffff81467612 irq_return ([kernel.kallsyms]) ffffffff81467612 irq_return ([kernel.kallsyms]) 7f24fc02a6b3 _start (/lib64/ld-2.14.so) [snip] With --show-kernel-path option ffffffff81467612 irq_return (/lib/modules/3.2.0+/build/vmlinux) ffffffff81467612 irq_return (/lib/modules/3.2.0+/build/vmlinux) 7f24fc02a6b3 _start (/lib64/ld-2.14.so) [snip] Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: yrl.pp-manager.tt@hitachi.com Link: http://lkml.kernel.org/r/20120130044320.2384.73322.stgit@linux3 Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
-rw-r--r--tools/perf/Documentation/perf-script.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 228c7bb0f0dd..e9cbfcddfa3f 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -200,6 +200,9 @@ OPTIONS
It currently includes: cpu and numa topology of the host system.
It can only be used with the perf script report mode.
+--show-kernel-path::
+ Try to resolve the path of [kernel.kallsyms]
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],