diff options
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r-- | tools/perf/util/session.c | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index c3e399bcf18d..8e485592ca20 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -14,6 +14,7 @@ #include "sort.h" #include "util.h" #include "cpumap.h" +#include "event-parse.h" static int perf_session__open(struct perf_session *self, bool force) { @@ -289,7 +290,6 @@ struct branch_info *machine__resolve_bstack(struct machine *self, } int machine__resolve_callchain(struct machine *self, - struct perf_evsel *evsel __used, struct thread *thread, struct ip_callchain *chain, struct symbol **parent) @@ -926,7 +926,7 @@ static struct machine * else pid = event->ip.pid; - return perf_session__find_machine(session, pid); + return perf_session__findnew_machine(session, pid); } return perf_session__find_host_machine(session); @@ -1449,7 +1449,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) ret += hists__fprintf_nr_events(&session->hists, fp); list_for_each_entry(pos, &session->evlist->entries, node) { - ret += fprintf(fp, "%s stats:\n", event_name(pos)); + ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); ret += hists__fprintf_nr_events(&pos->hists, fp); } @@ -1490,8 +1490,8 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, } void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, - struct machine *machine, struct perf_evsel *evsel, - int print_sym, int print_dso, int print_symoffset) + struct machine *machine, int print_sym, + int print_dso, int print_symoffset) { struct addr_location al; struct callchain_cursor_node *node; @@ -1505,7 +1505,7 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, if (symbol_conf.use_callchain && sample->callchain) { - if (machine__resolve_callchain(machine, evsel, al.thread, + if (machine__resolve_callchain(machine, al.thread, sample->callchain, NULL) != 0) { if (verbose) error("Failed to resolve callchain. Skipping\n"); @@ -1611,3 +1611,58 @@ void perf_session__fprintf_info(struct perf_session *session, FILE *fp, perf_header__fprintf_info(session, fp, full); fprintf(fp, "# ========\n#\n"); } + + +int __perf_session__set_tracepoints_handlers(struct perf_session *session, + const struct perf_evsel_str_handler *assocs, + size_t nr_assocs) +{ + struct perf_evlist *evlist = session->evlist; + struct event_format *format; + struct perf_evsel *evsel; + char *tracepoint, *name; + size_t i; + int err; + + for (i = 0; i < nr_assocs; i++) { + err = -ENOMEM; + tracepoint = strdup(assocs[i].name); + if (tracepoint == NULL) + goto out; + + err = -ENOENT; + name = strchr(tracepoint, ':'); + if (name == NULL) + goto out_free; + + *name++ = '\0'; + format = pevent_find_event_by_name(session->pevent, + tracepoint, name); + if (format == NULL) { + /* + * Adding a handler for an event not in the session, + * just ignore it. + */ + goto next; + } + + evsel = perf_evlist__find_tracepoint_by_id(evlist, format->id); + if (evsel == NULL) + goto next; + + err = -EEXIST; + if (evsel->handler.func != NULL) + goto out_free; + evsel->handler.func = assocs[i].handler; +next: + free(tracepoint); + } + + err = 0; +out: + return err; + +out_free: + free(tracepoint); + goto out; +} |