linux-kernel - [PATCH 2/7] perf lock: Allow to use different kernel symbols

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Date:   Wed,  8 Jun 2022 22:56:47 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Davidlohr Bueso <dave@...olabs.net>
Subject: [PATCH 2/7] perf lock: Allow to use different kernel symbols

Add --vmlinux and --kallsyms options to support data file from
different kernels.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/Documentation/perf-lock.txt | 7 +++++++
 tools/perf/builtin-lock.c              | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 656b537b2fba..4b8568f0c53b 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -46,6 +46,13 @@ COMMON OPTIONS
 --force::
 	Don't complain, do it.
 
+--vmlinux=<file>::
+        vmlinux pathname
+
+--kallsyms=<file>::
+        kallsyms pathname
+
+
 REPORT OPTIONS
 --------------
 
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 57e396323d05..118a036a81fb 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1162,6 +1162,10 @@ int cmd_lock(int argc, const char **argv)
 	OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"),
 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"),
 	OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
+	OPT_STRING(0, "vmlinux", &symbol_conf.vmlinux_name,
+		   "file", "vmlinux pathname"),
+	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+		   "file", "kallsyms pathname"),
 	OPT_END()
 	};
 
-- 
2.36.1.255.ge46751e96f-goog