diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-07-22 16:17:38 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-07-25 12:08:34 -0300 |
| commit | a7a2b8b4ce9e0bfd085c5797d535487594a71882 (patch) | |
| tree | 3f79bfce9c4922c2f0da8655fed8496933988983 /tools/perf | |
| parent | 9b0d2d875d57d85fdfb35ac27f89951520a8b473 (diff) | |
| download | linux-a7a2b8b4ce9e0bfd085c5797d535487594a71882.tar.gz linux-a7a2b8b4ce9e0bfd085c5797d535487594a71882.tar.xz | |
perf inject: Add --kallsyms parameter
Let perf inject take --kallsyms parameter the same as perf script and
perf report do.
That is needed for decoding Instruction Trace data using a copy of
/proc/kcore for the kernel object because the kallsyms path is used to
locate that copy.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406035081-14301-30-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-inject.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-inject.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt index a00a34276c54..dc7442cf3d7f 100644 --- a/tools/perf/Documentation/perf-inject.txt +++ b/tools/perf/Documentation/perf-inject.txt @@ -41,6 +41,9 @@ OPTIONS tasks slept. sched_switch contains a callchain where a task slept and sched_stat contains a timeslice how long a task slept. +--kallsyms=<file>:: + kallsyms pathname + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1] diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index cf6a605a13e8..9a02807387d6 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -439,6 +439,8 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) "where and how long tasks slept"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show build ids, etc)"), + OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file", + "kallsyms pathname"), OPT_END() }; const char * const inject_usage[] = { |