Commit 547a92e0 authored by Akihiro Nagai's avatar Akihiro Nagai Committed by Arnaldo Carvalho de Melo
Browse files

perf script: Unify the expressions indicating "unknown" 

The perf script command uses various expressions to indicate "unknown".

It is unfriendly for user scripts to parse it. So, this patch unifies
the expressions to "[unknown]".

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://lkml.kernel.org/r/20120130044257.2384.62905.stgit@linux3


Signed-off-by: default avatarAkihiro Nagai <akihiro.nagai.hw@hitachi.com>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f9d36996

tools/perf/builtin-script.c

+6 −14
Original line number Diff line number Diff line
@@ -300,7 +300,7 @@ static void print_sample_start(struct perf_sample *sample, 
		} else

			evname = __event_name(attr->type, attr->config);



		printf("%s: ", evname ? evname : "(unknown)");

		printf("%s: ", evname ? evname : "[unknown]");

	}

}
@@ -323,7 +323,6 @@ static void print_sample_addr(union perf_event *event, 
{

	struct addr_location al;

	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;

	const char *symname, *dsoname;



	printf("%16" PRIx64, sample->addr);
@@ -343,21 +342,14 @@ static void print_sample_addr(union perf_event *event, 
		al.sym = map__find_symbol(al.map, al.addr, NULL);



	if (PRINT_FIELD(SYM)) {

		if (al.sym && al.sym->name)

			symname = al.sym->name;

		else

			symname = "";



		printf(" %16s", symname);

		printf(" ");

		symbol__fprintf_symname(al.sym, stdout);

	}



	if (PRINT_FIELD(DSO)) {

		if (al.map && al.map->dso && al.map->dso->name)

			dsoname = al.map->dso->name;

		else

			dsoname = "";



		printf(" (%s)", dsoname);

		printf(" (");

		map__fprintf_dsoname(al.map, stdout);

		printf(")");

	}

}

tools/perf/util/map.c

+12 −0
Original line number Diff line number Diff line
@@ -212,6 +212,18 @@ size_t map__fprintf(struct map *self, FILE *fp) 
		       self->start, self->end, self->pgoff, self->dso->name);

}



size_t map__fprintf_dsoname(struct map *map, FILE *fp)

{

	const char *dsoname;



	if (map && map->dso && map->dso->name)

		dsoname = map->dso->name;

	else

		dsoname = "[unknown]";



	return fprintf(fp, "%s", dsoname);

}



/*

 * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN.

 * map->dso->adjust_symbols==1 for ET_EXEC-like cases.

tools/perf/util/map.h

+1 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ void map__delete(struct map *self); 
struct map *map__clone(struct map *self);

int map__overlap(struct map *l, struct map *r);

size_t map__fprintf(struct map *self, FILE *fp);

size_t map__fprintf_dsoname(struct map *map, FILE *fp);



int map__load(struct map *self, symbol_filter_t filter);

struct symbol *map__find_symbol(struct map *self,

tools/perf/util/session.c

+10 −25
Original line number Diff line number Diff line
@@ -1296,7 +1296,6 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 
			  int print_sym, int print_dso)

{

	struct addr_location al;

	const char *symname, *dsoname;

	struct callchain_cursor *cursor = &evsel->hists.callchain_cursor;

	struct callchain_cursor_node *node;
@@ -1324,20 +1323,13 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 


			printf("\t%16" PRIx64, node->ip);

			if (print_sym) {

				if (node->sym && node->sym->name)

					symname = node->sym->name;

				else

					symname = "";



				printf(" %s", symname);

				printf(" ");

				symbol__fprintf_symname(node->sym, stdout);

			}

			if (print_dso) {

				if (node->map && node->map->dso && node->map->dso->name)

					dsoname = node->map->dso->name;

				else

					dsoname = "";



				printf(" (%s)", dsoname);

				printf(" (");

				map__fprintf_dsoname(al.map, stdout);

				printf(")");

			}

			printf("\n");
@@ -1347,21 +1339,14 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 
	} else {

		printf("%16" PRIx64, sample->ip);

		if (print_sym) {

			if (al.sym && al.sym->name)

				symname = al.sym->name;

			else

				symname = "";



			printf(" %s", symname);

			printf(" ");

			symbol__fprintf_symname(al.sym, stdout);

		}



		if (print_dso) {

			if (al.map && al.map->dso && al.map->dso->name)

				dsoname = al.map->dso->name;

			else

				dsoname = "";



			printf(" (%s)", dsoname);

			printf(" (");

			map__fprintf_dsoname(al.map, stdout);

			printf(")");

		}

	}

}

tools/perf/util/symbol.c

+12 −0
Original line number Diff line number Diff line
@@ -263,6 +263,18 @@ static size_t symbol__fprintf(struct symbol *sym, FILE *fp) 
		       sym->name);

}



size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)

{

	const char *symname;



	if (sym && sym->name)

		symname = sym->name;

	else

		symname = "[unknown]";



	return fprintf(fp, "%s", symname);

}



void dso__set_long_name(struct dso *dso, char *name)

{

	if (name == NULL)

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