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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-11-28 07:56:39 -0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-11-28 10:39:12 -0200 |
commit | 743eb868657bdb1b26c7b24077ca21c67c82c777 (patch) | |
tree | 4803b557725213043ccd5d3f83d2eec796a49f69 /tools/perf/util/session.c | |
parent | d20deb64e0490ee9442b5181bc08a62d2cadcb90 (diff) | |
download | op-kernel-dev-743eb868657bdb1b26c7b24077ca21c67c82c777.zip op-kernel-dev-743eb868657bdb1b26c7b24077ca21c67c82c777.tar.gz |
perf tools: Resolve machine earlier and pass it to perf_event_ops
Reducing the exposure of perf_session further, so that we can use the
classes in cases where no perf.data file is created.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-stua66dcscsezzrcdugvbmvd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r-- | tools/perf/util/session.c | 91 |
1 files changed, 53 insertions, 38 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index a36023a..be33606 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -84,6 +84,7 @@ void perf_session__update_sample_type(struct perf_session *self) self->sample_size = __perf_evsel__sample_size(self->sample_type); self->sample_id_all = perf_evlist__sample_id_all(self->evlist); self->id_hdr_size = perf_evlist__id_hdr_size(self->evlist); + self->host_machine.id_hdr_size = self->id_hdr_size; } int perf_session__create_kernel_maps(struct perf_session *self) @@ -216,10 +217,10 @@ static bool symbol__match_parent_regex(struct symbol *sym) return 0; } -int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, - struct thread *thread, - struct ip_callchain *chain, - struct symbol **parent) +int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, + struct thread *thread, + struct ip_callchain *chain, + struct symbol **parent) { u8 cpumode = PERF_RECORD_MISC_USER; unsigned int i; @@ -252,7 +253,7 @@ int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel al.filtered = false; thread__find_addr_location(thread, self, cpumode, - MAP__FUNCTION, thread->pid, ip, &al, NULL); + MAP__FUNCTION, ip, &al, NULL); if (al.sym != NULL) { if (sort__has_parent && !*parent && symbol__match_parent_regex(al.sym)) @@ -270,14 +271,6 @@ int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel return 0; } -static int process_event_synth_stub(struct perf_event_ops *ops __used, - union perf_event *event __used, - struct perf_session *session __used) -{ - dump_printf(": unhandled!\n"); - return 0; -} - static int process_event_synth_tracing_data_stub(union perf_event *event __used, struct perf_session *session __used) { @@ -296,7 +289,7 @@ static int process_event_sample_stub(struct perf_event_ops *ops __used, union perf_event *event __used, struct perf_sample *sample __used, struct perf_evsel *evsel __used, - struct perf_session *session __used) + struct machine *machine __used) { dump_printf(": unhandled!\n"); return 0; @@ -305,7 +298,7 @@ static int process_event_sample_stub(struct perf_event_ops *ops __used, static int process_event_stub(struct perf_event_ops *ops __used, union perf_event *event __used, struct perf_sample *sample __used, - struct perf_session *session __used) + struct machine *machine __used) { dump_printf(": unhandled!\n"); return 0; @@ -313,7 +306,14 @@ static int process_event_stub(struct perf_event_ops *ops __used, static int process_finished_round_stub(struct perf_event_ops *ops __used, union perf_event *event __used, - struct perf_session *session __used) + struct perf_session *perf_session __used) +{ + dump_printf(": unhandled!\n"); + return 0; +} + +static int process_event_type_stub(struct perf_event_ops *ops __used, + union perf_event *event __used) { dump_printf(": unhandled!\n"); return 0; @@ -338,7 +338,7 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler) if (handler->lost == NULL) handler->lost = perf_event__process_lost; if (handler->read == NULL) - handler->read = process_event_stub; + handler->read = process_event_sample_stub; if (handler->throttle == NULL) handler->throttle = process_event_stub; if (handler->unthrottle == NULL) @@ -346,11 +346,11 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler) if (handler->attr == NULL) handler->attr = process_event_synth_attr_stub; if (handler->event_type == NULL) - handler->event_type = process_event_synth_stub; + handler->event_type = process_event_type_stub; if (handler->tracing_data == NULL) handler->tracing_data = process_event_synth_tracing_data_stub; if (handler->build_id == NULL) - handler->build_id = process_event_synth_stub; + handler->build_id = process_finished_round_stub; if (handler->finished_round == NULL) { if (handler->ordered_samples) handler->finished_round = process_finished_round; @@ -734,6 +734,18 @@ static void dump_sample(struct perf_session *session, union perf_event *event, callchain__printf(sample); } +static struct machine * + perf_session__find_machine_for_cpumode(struct perf_session *session, + union perf_event *event) +{ + const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + + if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) + return perf_session__find_machine(session, event->ip.pid); + + return perf_session__find_host_machine(session); +} + static int perf_session_deliver_event(struct perf_session *session, union perf_event *event, struct perf_sample *sample, @@ -741,6 +753,7 @@ static int perf_session_deliver_event(struct perf_session *session, u64 file_offset) { struct perf_evsel *evsel; + struct machine *machine; dump_event(session, event, file_offset, sample); @@ -762,6 +775,8 @@ static int perf_session_deliver_event(struct perf_session *session, hists__inc_nr_events(&evsel->hists, event->header.type); } + machine = perf_session__find_machine_for_cpumode(session, event); + switch (event->header.type) { case PERF_RECORD_SAMPLE: dump_sample(session, event, sample); @@ -769,23 +784,25 @@ static int perf_session_deliver_event(struct perf_session *session, ++session->hists.stats.nr_unknown_id; return -1; } - return ops->sample(ops, event, sample, evsel, session); + return ops->sample(ops, event, sample, evsel, machine); case PERF_RECORD_MMAP: - return ops->mmap(ops, event, sample, session); + return ops->mmap(ops, event, sample, machine); case PERF_RECORD_COMM: - return ops->comm(ops, event, sample, session); + return ops->comm(ops, event, sample, machine); case PERF_RECORD_FORK: - return ops->fork(ops, event, sample, session); + return ops->fork(ops, event, sample, machine); case PERF_RECORD_EXIT: - return ops->exit(ops, event, sample, session); + return ops->exit(ops, event, sample, machine); case PERF_RECORD_LOST: - return ops->lost(ops, event, sample, session); + if (ops->lost == perf_event__process_lost) + session->hists.stats.total_lost += event->lost.lost; + return ops->lost(ops, event, sample, machine); case PERF_RECORD_READ: - return ops->read(ops, event, sample, session); + return ops->read(ops, event, sample, evsel, machine); case PERF_RECORD_THROTTLE: - return ops->throttle(ops, event, sample, session); + return ops->throttle(ops, event, sample, machine); case PERF_RECORD_UNTHROTTLE: - return ops->unthrottle(ops, event, sample, session); + return ops->unthrottle(ops, event, sample, machine); default: ++session->hists.stats.nr_unknown_events; return -1; @@ -823,7 +840,7 @@ static int perf_session__process_user_event(struct perf_session *session, union perf_session__update_sample_type(session); return err; case PERF_RECORD_HEADER_EVENT_TYPE: - return ops->event_type(ops, event, session); + return ops->event_type(ops, event); case PERF_RECORD_HEADER_TRACING_DATA: /* setup for reading amidst mmap */ lseek(session->fd, file_offset, SEEK_SET); @@ -1170,9 +1187,8 @@ bool perf_session__has_traces(struct perf_session *self, const char *msg) return true; } -int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, - const char *symbol_name, - u64 addr) +int maps__set_kallsyms_ref_reloc_sym(struct map **maps, + const char *symbol_name, u64 addr) { char *bracket; enum map_type i; @@ -1264,17 +1280,16 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, return NULL; } -void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel, - struct perf_sample *sample, - struct perf_session *session, - int print_sym, int print_dso) +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) { struct addr_location al; const char *symname, *dsoname; struct callchain_cursor *cursor = &evsel->hists.callchain_cursor; struct callchain_cursor_node *node; - if (perf_event__preprocess_sample(event, session, &al, sample, + if (perf_event__preprocess_sample(event, machine, &al, sample, NULL) < 0) { error("problem processing %d event, skipping it.\n", event->header.type); @@ -1283,7 +1298,7 @@ void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel, if (symbol_conf.use_callchain && sample->callchain) { - if (perf_session__resolve_callchain(session, evsel, al.thread, + if (machine__resolve_callchain(machine, evsel, al.thread, sample->callchain, NULL) != 0) { if (verbose) error("Failed to resolve callchain. Skipping\n"); |