diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-24 12:05:48 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-26 13:47:09 -0300 |
| commit | d9a5f274603bea1c89d59baaf37eef8f57851a09 (patch) | |
| tree | 9fb317feda343722a5152bbf4f1e38d67cdd2bf8 /tools | |
| parent | 71a84b5aedf5023f4009c3bbf28ecba256201f87 (diff) | |
perf thread: Make thread__find_symbol() return the symbol searched
Instead of just returning it in al.sym, allowing for some simplification
in its users, and to make it consistent with thread__find_map().
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-4axi2sigslffdixzxbehvgoj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-timechart.c | 7 | ||||
| -rw-r--r-- | tools/perf/util/event.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/thread.h | 8 | ||||
| -rw-r--r-- | tools/perf/util/unwind-libunwind-local.c | 4 |
4 files changed, 12 insertions, 17 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 38fcbb5ddce8..a827919c6263 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -533,11 +533,8 @@ static const char *cat_backtrace(union perf_event *event, } tal.filtered = 0; - thread__find_symbol(al.thread, cpumode, ip, &tal); - - if (tal.sym) - fprintf(f, "..... %016" PRIx64 " %s\n", ip, - tal.sym->name); + if (thread__find_symbol(al.thread, cpumode, ip, &tal)) + fprintf(f, "..... %016" PRIx64 " %s\n", ip, tal.sym->name); else fprintf(f, "..... %016" PRIx64 "\n", ip); } diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 48e4b252f6ff..9d94c59046d1 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1566,14 +1566,14 @@ try_again: return al->map; } -void __thread__find_symbol(struct thread *thread, u8 cpumode, - enum map_type type, u64 addr, - struct addr_location *al) +struct symbol *__thread__find_symbol(struct thread *thread, u8 cpumode, + enum map_type type, u64 addr, + struct addr_location *al) { + al->sym = NULL; if (__thread__find_map(thread, cpumode, type, addr, al)) al->sym = map__find_symbol(al->map, al->addr); - else - al->sym = NULL; + return al->sym; } /* diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 1961e4bc1c2c..1b130b0a4a48 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -101,11 +101,11 @@ static inline struct map *thread__find_map(struct thread *thread, u8 cpumode, return __thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al); } -void __thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type, - u64 addr, struct addr_location *al); +struct symbol *__thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type, + u64 addr, struct addr_location *al); -static inline void thread__find_symbol(struct thread *thread, u8 cpumode, - u64 addr, struct addr_location *al) +static inline struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al) { return __thread__find_symbol(thread, cpumode, MAP__FUNCTION, addr, al); } diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 4662590ef091..2afb22b0a1a9 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -584,11 +584,9 @@ static int entry(u64 ip, struct thread *thread, struct unwind_entry e; struct addr_location al; - thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al); - + e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al); e.ip = al.addr; e.map = al.map; - e.sym = al.sym; pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n", al.sym ? al.sym->name : "''", |