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Commit 77e0070d authored by Mark Drayton's avatar Mark Drayton Committed by Arnaldo Carvalho de Melo
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perf script: Add --[no-]-demangle/--[no-]-demangle-kernel 



Sometimes when post-processing output from `perf script` one does not
want to demangle C++ symbol names. Add an option to allow this.

Also add --[no-]demangle-kernel to be consistent with top/report/probe.

Signed-off-by: default avatarMark Drayton <mbd@fb.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/1440616695-32340-1-git-send-email-scientist@fb.com


Signed-off-by: default avatarYannick Brosseau <scientist@fb.com>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d1ee8bc1

tools/perf/Documentation/perf-script.txt

+7 −0
Original line number Diff line number Diff line
@@ -226,6 +226,13 @@ OPTIONS 
	Display context switch events i.e. events of type PERF_RECORD_SWITCH or

	PERF_RECORD_SWITCH_CPU_WIDE.



--demangle::

	Demangle symbol names to human readable form. It's enabled by default,

	disable with --no-demangle.



--demangle-kernel::

	Demangle kernel symbol names to human readable form (for C++ kernels).



--header

	Show perf.data header.

tools/perf/builtin-script.c

+5 −0
Original line number Diff line number Diff line
@@ -1671,6 +1671,11 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) 
			    itrace_parse_synth_opts),

	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,

			"Show full source file name path for source lines"),

	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,

			"Enable symbol demangling"),

	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,

			"Enable kernel symbol demangling"),



	OPT_END()

	};

	const char * const script_subcommands[] = { "record", "report", NULL };