From 71a84b5aedf5023f4009c3bbf28ecba256201f87 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 24 Apr 2018 11:58:56 -0300 Subject: perf thread: Make thread__find_map() return the map It was returning the searched map just on the addr_location passed, with the function itself returning void. Make it return the map so that we can make the code more compact. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-tzlrrzdeoof4i6ktyqv1t6ks@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/build-id.c | 4 +--- tools/perf/util/cs-etm.c | 4 +--- tools/perf/util/event.c | 16 ++++++++-------- tools/perf/util/intel-bts.c | 3 +-- tools/perf/util/intel-pt.c | 6 ++---- tools/perf/util/thread.h | 10 +++++----- tools/perf/util/unwind-libdw.c | 3 +-- tools/perf/util/unwind-libunwind-local.c | 3 +-- 8 files changed, 20 insertions(+), 29 deletions(-) (limited to 'tools/perf/util') diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index b512dc8fa6c3..04b1d53e4bf9 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -47,9 +47,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, return -1; } - thread__find_map(thread, sample->cpumode, sample->ip, &al); - - if (al.map != NULL) + if (thread__find_map(thread, sample->cpumode, sample->ip, &al)) al.map->dso->hit = 1; thread__put(thread); diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 8fe573d040b6..6533b1adb50b 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -269,9 +269,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address, thread = etmq->etm->unknown_thread; } - thread__find_map(thread, cpumode, address, &al); - - if (!al.map || !al.map->dso) + if (!thread__find_map(thread, cpumode, address, &al) || !al.map->dso) return 0; if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR && diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 2d860fbeb227..48e4b252f6ff 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1489,8 +1489,8 @@ int perf_event__process(struct perf_tool *tool __maybe_unused, return machine__process_event(machine, event, sample); } -void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, - u64 addr, struct addr_location *al) +struct map *__thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, + u64 addr, struct addr_location *al) { struct map_groups *mg = thread->mg; struct machine *machine = mg->machine; @@ -1504,7 +1504,7 @@ void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, if (machine == NULL) { al->map = NULL; - return; + return NULL; } if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { @@ -1532,7 +1532,7 @@ void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, !perf_host) al->filtered |= (1 << HIST_FILTER__HOST); - return; + return NULL; } try_again: al->map = map_groups__find(mg, type, al->addr); @@ -1562,14 +1562,15 @@ try_again: map__load(al->map); al->addr = al->map->map_ip(al->map, al->addr); } + + return al->map; } void __thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type, u64 addr, struct addr_location *al) { - __thread__find_map(thread, cpumode, type, addr, al); - if (al->map != NULL) + if (__thread__find_map(thread, cpumode, type, addr, al)) al->sym = map__find_symbol(al->map, al->addr); else al->sym = NULL; @@ -1668,8 +1669,7 @@ bool sample_addr_correlates_sym(struct perf_event_attr *attr) void thread__resolve(struct thread *thread, struct addr_location *al, struct perf_sample *sample) { - thread__find_map(thread, sample->cpumode, sample->addr, al); - if (!al->map) { + if (!thread__find_map(thread, sample->cpumode, sample->addr, al)) { __thread__find_map(thread, sample->cpumode, MAP__VARIABLE, sample->addr, al); } diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c index ea0ce8572bf2..7f0c83b6332b 100644 --- a/tools/perf/util/intel-bts.c +++ b/tools/perf/util/intel-bts.c @@ -335,8 +335,7 @@ static int intel_bts_get_next_insn(struct intel_bts_queue *btsq, u64 ip) if (!thread) return -1; - thread__find_map(thread, cpumode, ip, &al); - if (!al.map || !al.map->dso) + if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso) goto out_put; len = dso__data_read_addr(al.map->dso, al.map, machine, ip, buf, diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 441e681a46a0..a272b35f6c5a 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -442,8 +442,7 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, } while (1) { - thread__find_map(thread, cpumode, *ip, &al); - if (!al.map || !al.map->dso) + if (!thread__find_map(thread, cpumode, *ip, &al) || !al.map->dso) return -EINVAL; if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR && @@ -596,8 +595,7 @@ static int __intel_pt_pgd_ip(uint64_t ip, void *data) if (!thread) return -EINVAL; - thread__find_map(thread, cpumode, ip, &al); - if (!al.map || !al.map->dso) + if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso) return -EINVAL; offset = al.map->map_ip(al.map, ip); diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index b69e65c821f9..1961e4bc1c2c 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -92,13 +92,13 @@ size_t thread__fprintf(struct thread *thread, FILE *fp); struct thread *thread__main_thread(struct machine *machine, struct thread *thread); -void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, - u64 addr, struct addr_location *al); +struct map *__thread__find_map(struct thread *thread, u8 cpumode, enum map_type type, + u64 addr, struct addr_location *al); -static inline void thread__find_map(struct thread *thread, u8 cpumode, - u64 addr, struct addr_location *al) +static inline struct map *thread__find_map(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al) { - __thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al); + return __thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al); } void __thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type, diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index bdc22f1864df..17401922cd42 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -104,8 +104,7 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr, struct addr_location al; ssize_t size; - thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al); - if (!al.map) { + if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al)) { /* * We've seen cases (softice) where DWARF unwinder went * through non executable mmaps, which we need to lookup diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 0007c64f3220..4662590ef091 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -367,8 +367,7 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui) { struct addr_location al; - thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al); - if (!al.map) { + if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al)) { /* * We've seen cases (softice) where DWARF unwinder went * through non executable mmaps, which we need to lookup -- cgit v1.2.3