Required for off-box analysis to convert kernel addresses.
Signed-off-by: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
---
tools/perf/Documentation/perf-diff.txt | 3 +++
tools/perf/builtin-diff.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/tools/perf/Documentation/perf-diff.txt
b/tools/perf/Documentation/perf-diff.txt
index fdfceee0ffd0..06650332d555 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -26,6 +26,9 @@ OPTIONS
--dump-raw-trace::
Dump raw trace in ASCII.
+--kallsyms=<file>::
+ kallsyms pathname
+
-m::
--modules::
Load module symbols. WARNING: use only with -k and LIVE kernel
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 3b67ea2444bd..1334381d2569 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -715,6 +715,8 @@ static const struct option options[] = {
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, "kallsyms", &symbol_conf.kallsyms_name,
+ "file", "kallsyms pathname"),
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE
kernel"),
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
--
1.8.3.4 (Apple Git-47)
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