diff options
Diffstat (limited to 'tools/perf/util/machine.c')
-rw-r--r-- | tools/perf/util/machine.c | 79 |
1 files changed, 32 insertions, 47 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index c872991e0f6..a53cd0b8c15 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -327,9 +327,10 @@ struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, return __machine__findnew_thread(machine, pid, tid, true); } -struct thread *machine__find_thread(struct machine *machine, pid_t tid) +struct thread *machine__find_thread(struct machine *machine, pid_t pid, + pid_t tid) { - return __machine__findnew_thread(machine, 0, tid, false); + return __machine__findnew_thread(machine, pid, tid, false); } int machine__process_comm_event(struct machine *machine, union perf_event *event, @@ -1026,7 +1027,7 @@ int machine__process_mmap2_event(struct machine *machine, } thread = machine__findnew_thread(machine, event->mmap2.pid, - event->mmap2.pid); + event->mmap2.tid); if (thread == NULL) goto out_problem; @@ -1074,7 +1075,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event } thread = machine__findnew_thread(machine, event->mmap.pid, - event->mmap.pid); + event->mmap.tid); if (thread == NULL) goto out_problem; @@ -1114,7 +1115,9 @@ static void machine__remove_thread(struct machine *machine, struct thread *th) int machine__process_fork_event(struct machine *machine, union perf_event *event, struct perf_sample *sample) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); struct thread *parent = machine__findnew_thread(machine, event->fork.ppid, event->fork.ptid); @@ -1140,7 +1143,9 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event int machine__process_exit_event(struct machine *machine, union perf_event *event, struct perf_sample *sample __maybe_unused) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); if (dump_trace) perf_event__fprintf_task(event, stdout); @@ -1184,39 +1189,22 @@ static bool symbol__match_regex(struct symbol *sym, regex_t *regex) return 0; } -static const u8 cpumodes[] = { - PERF_RECORD_MISC_USER, - PERF_RECORD_MISC_KERNEL, - PERF_RECORD_MISC_GUEST_USER, - PERF_RECORD_MISC_GUEST_KERNEL -}; -#define NCPUMODES (sizeof(cpumodes)/sizeof(u8)) - static void ip__resolve_ams(struct machine *machine, struct thread *thread, struct addr_map_symbol *ams, u64 ip) { struct addr_location al; - size_t i; - u8 m; memset(&al, 0, sizeof(al)); + /* + * We cannot use the header.misc hint to determine whether a + * branch stack address is user, kernel, guest, hypervisor. + * Branches may straddle the kernel/user/hypervisor boundaries. + * Thus, we have to try consecutively until we find a match + * or else, the symbol is unknown + */ + thread__find_cpumode_addr_location(thread, machine, MAP__FUNCTION, ip, &al); - for (i = 0; i < NCPUMODES; i++) { - m = cpumodes[i]; - /* - * We cannot use the header.misc hint to determine whether a - * branch stack address is user, kernel, guest, hypervisor. - * Branches may straddle the kernel/user/hypervisor boundaries. - * Thus, we have to try consecutively until we find a match - * or else, the symbol is unknown - */ - thread__find_addr_location(thread, machine, m, MAP__FUNCTION, - ip, &al); - if (al.sym) - goto found; - } -found: ams->addr = ip; ams->al_addr = al.addr; ams->sym = al.sym; @@ -1238,37 +1226,35 @@ static void ip__resolve_data(struct machine *machine, struct thread *thread, ams->map = al.map; } -struct mem_info *machine__resolve_mem(struct machine *machine, - struct thread *thr, - struct perf_sample *sample, - u8 cpumode) +struct mem_info *sample__resolve_mem(struct perf_sample *sample, + struct addr_location *al) { struct mem_info *mi = zalloc(sizeof(*mi)); if (!mi) return NULL; - ip__resolve_ams(machine, thr, &mi->iaddr, sample->ip); - ip__resolve_data(machine, thr, cpumode, &mi->daddr, sample->addr); + ip__resolve_ams(al->machine, al->thread, &mi->iaddr, sample->ip); + ip__resolve_data(al->machine, al->thread, al->cpumode, + &mi->daddr, sample->addr); mi->data_src.val = sample->data_src; return mi; } -struct branch_info *machine__resolve_bstack(struct machine *machine, - struct thread *thr, - struct branch_stack *bs) +struct branch_info *sample__resolve_bstack(struct perf_sample *sample, + struct addr_location *al) { - struct branch_info *bi; unsigned int i; + const struct branch_stack *bs = sample->branch_stack; + struct branch_info *bi = calloc(bs->nr, sizeof(struct branch_info)); - bi = calloc(bs->nr, sizeof(struct branch_info)); if (!bi) return NULL; for (i = 0; i < bs->nr; i++) { - ip__resolve_ams(machine, thr, &bi[i].to, bs->entries[i].to); - ip__resolve_ams(machine, thr, &bi[i].from, bs->entries[i].from); + ip__resolve_ams(al->machine, al->thread, &bi[i].to, bs->entries[i].to); + ip__resolve_ams(al->machine, al->thread, &bi[i].from, bs->entries[i].from); bi[i].flags = bs->entries[i].flags; } return bi; @@ -1326,7 +1312,7 @@ static int machine__resolve_callchain_sample(struct machine *machine, continue; } - al.filtered = false; + al.filtered = 0; thread__find_addr_location(thread, machine, cpumode, MAP__FUNCTION, ip, &al); if (al.sym != NULL) { @@ -1385,8 +1371,7 @@ int machine__resolve_callchain(struct machine *machine, return 0; return unwind__get_entries(unwind_entry, &callchain_cursor, machine, - thread, evsel->attr.sample_regs_user, - sample, max_stack); + thread, sample, max_stack); } |