Messages in this thread Patch in this message | | | From | Akihiro Nagai <> | Subject | [PATCH -tip v4 1/5] perf-script: unify the expressions indicate "unknown" | Date | Mon, 16 Jan 2012 14:22:10 +0900 |
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perf-script uses various expressions to indicate "unknown". It is unfriendly for user scripts to parse it. So, this patch unifies the expressions to "[unknown]".
Changes in v3: - unify all expressions to [unknown]
Changes in v2: - add this patch
Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: David Ahern <dsahern@gmail.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> ---
tools/perf/builtin-script.c | 20 ++++++-------------- tools/perf/util/map.c | 12 ++++++++++++ tools/perf/util/map.h | 1 + tools/perf/util/session.c | 35 ++++++++++------------------------- tools/perf/util/symbol.c | 12 ++++++++++++ tools/perf/util/symbol.h | 1 + 6 files changed, 42 insertions(+), 39 deletions(-)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index bb68ddf..11859eb 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -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__print_symname(al.sym); } 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__print_dsoname(al.map); + printf(")"); } } diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 316aa0a..4c95fac 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -212,6 +212,18 @@ size_t map__fprintf(struct map *self, FILE *fp) self->start, self->end, self->pgoff, self->dso->name); } +void map__print_dsoname(struct map *self) +{ + const char *dsoname; + + if (self && self->dso && self->dso->name) + dsoname = self->dso->name; + else + dsoname = "[unknown]"; + + printf("%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. diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 2b8017f..53fb713 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -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); +void map__print_dsoname(struct map *self); int map__load(struct map *self, symbol_filter_t filter); struct symbol *map__find_symbol(struct map *self, diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index b5ca255..aad26b3 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -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__print_symname(node->sym); } 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__print_dsoname(al.map); + 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__print_symname(al.sym); } 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__print_dsoname(al.map); + printf(")"); } } } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 215d50f..7d1fb3a 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -264,6 +264,18 @@ static size_t symbol__fprintf(struct symbol *sym, FILE *fp) sym->name); } +void symbol__print_symname(const struct symbol *sym) +{ + const char *symname; + + if (sym && sym->name) + symname = sym->name; + else + symname = "[unknown]"; + + printf("%s", symname); +} + void dso__set_long_name(struct dso *dso, char *name) { if (name == NULL) diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 123c2e1..26be235 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -241,6 +241,7 @@ void machines__destroy_guest_kernel_maps(struct rb_root *machines); int symbol__init(void); void symbol__exit(void); +void symbol__print_symname(const struct symbol *sym); bool symbol_type__is_a(char symbol_type, enum map_type map_type); size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
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