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-rw-r--r--tools/perf/Documentation/perf-script.txt4
-rw-r--r--tools/perf/builtin-script.c5
2 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 2012a8e6c90b..1a557ff8f210 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -499,6 +499,10 @@ include::itrace.txt[]
The known limitations include exception handing such as
setjmp/longjmp will have calls/returns not match.
+--guest-code::
+ Indicate that guest code can be found in the hypervisor process,
+ which is a common case for KVM test programs.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index ae6d216df438..c689054002cc 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3912,6 +3912,8 @@ int cmd_script(int argc, const char **argv)
"file", "file saving guest os /proc/kallsyms"),
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
"file", "file saving guest os /proc/modules"),
+ OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
+ "Guest code can be found in hypervisor process"),
OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
"Enable LBR callgraph stitching approach"),
OPTS_EVSWITCH(&script.evswitch),
@@ -3937,7 +3939,8 @@ int cmd_script(int argc, const char **argv)
if (symbol_conf.guestmount ||
symbol_conf.default_guest_vmlinux_name ||
symbol_conf.default_guest_kallsyms ||
- symbol_conf.default_guest_modules) {
+ symbol_conf.default_guest_modules ||
+ symbol_conf.guest_code) {
/*
* Enable guest sample processing.
*/