diff options
Diffstat (limited to 'tools/perf/util/machine.c')
| -rw-r--r-- | tools/perf/util/machine.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index b2ecad6..f9f9d63 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -233,7 +233,7 @@ void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size) return; } -static struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, +static struct thread *__machine__findnew_thread(struct machine *machine, pid_t tid, bool create) { struct rb_node **p = &machine->threads.rb_node; @@ -241,23 +241,23 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t p struct thread *th; /* - * Font-end cache - PID lookups come in blocks, + * Front-end cache - TID lookups come in blocks, * so most of the time we dont have to look up * the full rbtree: */ - if (machine->last_match && machine->last_match->pid == pid) + if (machine->last_match && machine->last_match->tid == tid) return machine->last_match; while (*p != NULL) { parent = *p; th = rb_entry(parent, struct thread, rb_node); - if (th->pid == pid) { + if (th->tid == tid) { machine->last_match = th; return th; } - if (pid < th->pid) + if (tid < th->tid) p = &(*p)->rb_left; else p = &(*p)->rb_right; @@ -266,7 +266,7 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t p if (!create) return NULL; - th = thread__new(pid); + th = thread__new(tid); if (th != NULL) { rb_link_node(&th->rb_node, parent, p); rb_insert_color(&th->rb_node, &machine->threads); @@ -276,14 +276,14 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t p return th; } -struct thread *machine__findnew_thread(struct machine *machine, pid_t pid) +struct thread *machine__findnew_thread(struct machine *machine, pid_t tid) { - return __machine__findnew_thread(machine, pid, true); + return __machine__findnew_thread(machine, tid, true); } -struct thread *machine__find_thread(struct machine *machine, pid_t pid) +struct thread *machine__find_thread(struct machine *machine, pid_t tid) { - return __machine__findnew_thread(machine, pid, false); + return __machine__findnew_thread(machine, tid, false); } int machine__process_comm_event(struct machine *machine, union perf_event *event) @@ -1058,11 +1058,10 @@ int machine__process_event(struct machine *machine, union perf_event *event) return ret; } -static bool symbol__match_parent_regex(struct symbol *sym) +static bool symbol__match_regex(struct symbol *sym, regex_t *regex) { - if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) + if (sym->name && !regexec(regex, sym->name, 0, NULL, 0)) return 1; - return 0; } @@ -1159,8 +1158,8 @@ struct branch_info *machine__resolve_bstack(struct machine *machine, static int machine__resolve_callchain_sample(struct machine *machine, struct thread *thread, struct ip_callchain *chain, - struct symbol **parent) - + struct symbol **parent, + struct addr_location *root_al) { u8 cpumode = PERF_RECORD_MISC_USER; unsigned int i; @@ -1211,8 +1210,15 @@ static int machine__resolve_callchain_sample(struct machine *machine, MAP__FUNCTION, ip, &al, NULL); if (al.sym != NULL) { if (sort__has_parent && !*parent && - symbol__match_parent_regex(al.sym)) + symbol__match_regex(al.sym, &parent_regex)) *parent = al.sym; + else if (have_ignore_callees && root_al && + symbol__match_regex(al.sym, &ignore_callees_regex)) { + /* Treat this symbol as the root, + forgetting its callees. */ + *root_al = al; + callchain_cursor_reset(&callchain_cursor); + } if (!symbol_conf.use_callchain) break; } @@ -1237,15 +1243,13 @@ int machine__resolve_callchain(struct machine *machine, struct perf_evsel *evsel, struct thread *thread, struct perf_sample *sample, - struct symbol **parent) - + struct symbol **parent, + struct addr_location *root_al) { int ret; - callchain_cursor_reset(&callchain_cursor); - ret = machine__resolve_callchain_sample(machine, thread, - sample->callchain, parent); + sample->callchain, parent, root_al); if (ret) return ret; |