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Message-ID: <20240718143009.197851-1-m.liska@foxlink.cz>
Date: Thu, 18 Jul 2024 16:30:09 +0200
From: m.liska@...link.cz
To: linux-kernel@...r.kernel.org
Cc: linux-perf-users@...r.kernel.org,
acme@...nel.org,
irogers@...gle.com,
Martin Liska <martin.liska@....com>
Subject: [PATCH] perf script: add --addr2line option
From: Martin Liska <martin.liska@....com>
Similarly to other subcommands (like report, top), it would be handy to
provide a path for addr2line command.
---
tools/perf/Documentation/perf-script.txt | 3 +++
tools/perf/builtin-script.c | 10 +++++++++-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index ff086ef05a0c..5abb960c4960 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -369,6 +369,9 @@ OPTIONS
--demangle-kernel::
Demangle kernel symbol names to human readable form (for C++ kernels).
+--addr2line=<path>::
+ Path to addr2line binary.
+
--header
Show perf.data header.
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index c16224b1fef3..301ea1c98e36 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3897,7 +3897,7 @@ int cmd_script(int argc, const char **argv)
};
struct utsname uts;
char *script_path = NULL;
- const char *dlfilter_file = NULL;
+ const char *dlfilter_file = NULL, *addr2line_path = NULL;
const char **__argv;
int i, j, err = 0;
struct perf_script script = {
@@ -4052,6 +4052,8 @@ int cmd_script(int argc, const char **argv)
"Enable symbol demangling"),
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
+ OPT_STRING(0, "addr2line", &addr2line_path, "path",
+ "addr2line binary to use for line numbers"),
OPT_STRING(0, "time", &script.time_str, "str",
"Time span of interest (start,stop)"),
OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
@@ -4138,6 +4140,12 @@ int cmd_script(int argc, const char **argv)
itrace_synth_opts.callchain_sz > scripting_max_stack)
scripting_max_stack = itrace_synth_opts.callchain_sz;
+ if (addr2line_path) {
+ symbol_conf.addr2line_path = strdup(addr2line_path);
+ if (!symbol_conf.addr2line_path)
+ return -ENOMEM;
+ }
+
/* make sure PERF_EXEC_PATH is set for scripts */
set_argv_exec_path(get_argv_exec_path());
--
2.45.2
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