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authorIan Rogers <irogers@google.com>2020-04-02 10:41:30 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-04-03 09:37:56 -0300
commit628d736d913a490d587941e8f68392f2de17e37a (patch)
treeb232f52fd024ae46350483d1c3758f8314849b9f /tools
parent8ed1faf0156e569c46f1b3d59e74c9cbd5e557ff (diff)
downloadlinux-628d736d913a490d587941e8f68392f2de17e37a.tar.bz2
perf script: add -S/--symbols documentation
Capture both that this option exists and that symbols can be hexadecimal addresses. Signed-off-by: Ian Rogers <irogers@google.com> Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200402174130.140319-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Documentation/perf-script.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 99a9853a11ba..963487e82edc 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -412,6 +412,14 @@ include::itrace.txt[]
--xed::
Run xed disassembler on output. Requires installing the xed disassembler.
+-S::
+--symbols=symbol[,symbol...]::
+ Only consider the listed symbols. Symbols are typically a name
+ but they may also be hexadecimal address.
+
+ For example, to select the symbol noploop or the address 0x4007a0:
+ perf script --symbols=noploop,0x4007a0
+
--call-trace::
Show call stream for intel_pt traces. The CPUs are interleaved, but
can be filtered with -C.