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Date:	Mon, 28 Jul 2014 01:27:31 -0700
From:	tip-bot for Adrian Hunter <>
Subject: [tip:perf/core] perf inject: Add --kallsyms parameter

Commit-ID:  a7a2b8b4ce9e0bfd085c5797d535487594a71882
Author:     Adrian Hunter <>
AuthorDate: Tue, 22 Jul 2014 16:17:38 +0300
Committer:  Arnaldo Carvalho de Melo <>
CommitDate: Fri, 25 Jul 2014 12:08:34 -0300

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 <>
Cc: David Ahern <>
Cc: Frederic Weisbecker <>
Cc: Jiri Olsa <>
Cc: Namhyung Kim <>
Cc: Paul Mackerras <>
Cc: Peter Zijlstra <>
Cc: Stephane Eranian <>
Signed-off-by: Arnaldo Carvalho de Melo <>
 tools/perf/Documentation/perf-inject.txt | 3 +++
 tools/perf/builtin-inject.c              | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt
index a00a342..dc7442c 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 pathname
 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 cf6a605..9a02807 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"),
 	const char * const inject_usage[] = {
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