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Commit 0817a6a3 authored by Arun Sharma's avatar Arun Sharma Committed by Arnaldo Carvalho de Melo
Browse files

perf script: Add support for PERF_TYPE_RAW 



Useful for getting stack traces for hardware events not handled by
PERF_TYPE_HARDWARE.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: default avatarArun Sharma <asharma@fb.com>
Link: http://lkml.kernel.org/n/tip-qimdcdpekjqxuyqovy4kjusx@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f18568aa

tools/perf/builtin-script.c

+13 −1
Original line number Diff line number Diff line
@@ -82,6 +82,16 @@ static struct { 
				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |

				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,

	},



	[PERF_TYPE_RAW] = {

		.user_set = false,



		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |

			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |

			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,



		.invalid_fields = PERF_OUTPUT_TRACE,

	},

};



static bool output_set_by_user(void)
@@ -502,6 +512,8 @@ static int parse_output_fields(const struct option *opt __used, 
			type = PERF_TYPE_SOFTWARE;

		else if (!strcmp(str, "trace"))

			type = PERF_TYPE_TRACEPOINT;

		else if (!strcmp(str, "raw"))

			type = PERF_TYPE_RAW;

		else {

			fprintf(stderr, "Invalid event type in field string.\n");

			return -EINVAL;
@@ -902,7 +914,7 @@ static const struct option options[] = { 
	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",

		    "Look for files with symbols relative to this directory"),

	OPT_CALLBACK('f', "fields", NULL, "str",

		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace. Fields: comm,tid,pid,time,cpu,event,trace,sym",

		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,sym",

		     parse_output_fields),



	OPT_END()