Commit 512a09fb authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf kvm report: Add guest_code support 



Add an option to indicate that guest code can be found in the hypervisor
process.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: kvm@vger.kernel.org
Link: https://lore.kernel.org/r/20220517131011.6117-6-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5b208144

tools/perf/Documentation/perf-kvm.txt

+3 −0
Original line number Diff line number Diff line
@@ -94,6 +94,9 @@ OPTIONS 
	kernel module information. Users copy it out from guest os.

--guestvmlinux=<path>::

	Guest os kernel vmlinux.

--guest-code::

	Indicate that guest code can be found in the hypervisor process,

	which is a common case for KVM test programs.

-v::

--verbose::

	Be more verbose (show counter open errors, etc).

tools/perf/builtin-kvm.c

+2 −0
Original line number Diff line number Diff line
@@ -1603,6 +1603,8 @@ int cmd_kvm(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_INCR('v', "verbose", &verbose,

			    "be more verbose (show counter open errors, etc)"),

		OPT_END()