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-rw-r--r--tools/perf/bench/synthesize.c4
-rw-r--r--tools/perf/builtin-kvm.c2
-rw-r--r--tools/perf/builtin-record.c6
-rw-r--r--tools/perf/builtin-top.c2
-rw-r--r--tools/perf/builtin-trace.c4
-rw-r--r--tools/perf/tests/code-reading.c3
-rw-r--r--tools/perf/tests/mmap-thread-lookup.c4
-rw-r--r--tools/perf/util/synthetic-events.c45
-rw-r--r--tools/perf/util/synthetic-events.h8
9 files changed, 44 insertions, 34 deletions
diff --git a/tools/perf/bench/synthesize.c b/tools/perf/bench/synthesize.c
index 05f7c923c745..7401ebbac100 100644
--- a/tools/perf/bench/synthesize.c
+++ b/tools/perf/bench/synthesize.c
@@ -80,7 +80,7 @@ static int do_run_single_threaded(struct perf_session *session,
NULL,
target, threads,
process_synthesized_event,
- data_mmap,
+ true, data_mmap,
nr_threads_synthesize);
if (err)
return err;
@@ -171,7 +171,7 @@ static int do_run_multi_threaded(struct target *target,
NULL,
target, NULL,
process_synthesized_event,
- false,
+ true, false,
nr_threads_synthesize);
if (err) {
perf_session__delete(session);
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index aa1b127ffb5b..c6f352ee57e6 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1456,7 +1456,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
perf_session__set_id_hdr_size(kvm->session);
ordered_events__set_copy_on_queue(&kvm->session->ordered_events, true);
machine__synthesize_threads(&kvm->session->machines.host, &kvm->opts.target,
- kvm->evlist->core.threads, false, 1);
+ kvm->evlist->core.threads, true, false, 1);
err = kvm_live_open_events(kvm);
if (err)
goto out;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b3509d9d20cc..0263e383332f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1266,6 +1266,7 @@ static int record__synthesize_workload(struct record *rec, bool tail)
err = perf_event__synthesize_thread_map(&rec->tool, thread_map,
process_synthesized_event,
&rec->session->machines.host,
+ true,
rec->opts.sample_address);
perf_thread_map__put(thread_map);
return err;
@@ -1480,8 +1481,9 @@ static int record__synthesize(struct record *rec, bool tail)
f = process_locked_synthesized_event;
}
- err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->core.threads,
- f, opts->sample_address,
+ err = __machine__synthesize_threads(machine, tool, &opts->target,
+ rec->evlist->core.threads,
+ f, true, opts->sample_address,
rec->opts.nr_threads_synthesize);
if (rec->opts.nr_threads_synthesize > 1)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index a3ae9176a83e..020c4f110c10 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1271,7 +1271,7 @@ static int __cmd_top(struct perf_top *top)
pr_debug("Couldn't synthesize cgroup events.\n");
machine__synthesize_threads(&top->session->machines.host, &opts->target,
- top->evlist->core.threads, false,
+ top->evlist->core.threads, true, false,
top->nr_threads_synthesize);
if (top->nr_threads_synthesize > 1)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 2bf21194c7b3..2f1d20553a0a 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1628,8 +1628,8 @@ static int trace__symbols_init(struct trace *trace, struct evlist *evlist)
goto out;
err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
- evlist->core.threads, trace__tool_process, false,
- 1);
+ evlist->core.threads, trace__tool_process,
+ true, false, 1);
out:
if (err)
symbol__exit();
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 9866cddebf23..3a4d932e7ffc 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -606,7 +606,8 @@ static int do_test_code_reading(bool try_kcore)
}
ret = perf_event__synthesize_thread_map(NULL, threads,
- perf_event__process, machine, false);
+ perf_event__process, machine,
+ true, false);
if (ret < 0) {
pr_debug("perf_event__synthesize_thread_map failed\n");
goto out_err;
diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c
index 8d9d4cbff76d..6f2da7a72f67 100644
--- a/tools/perf/tests/mmap-thread-lookup.c
+++ b/tools/perf/tests/mmap-thread-lookup.c
@@ -135,7 +135,7 @@ static int synth_all(struct machine *machine)
{
return perf_event__synthesize_threads(NULL,
perf_event__process,
- machine, 0, 1);
+ machine, 1, 0, 1);
}
static int synth_process(struct machine *machine)
@@ -147,7 +147,7 @@ static int synth_process(struct machine *machine)
err = perf_event__synthesize_thread_map(NULL, map,
perf_event__process,
- machine, 0);
+ machine, 1, 0);
perf_thread_map__put(map);
return err;
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index a7e981b2d7de..a7a2825356d6 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -715,7 +715,8 @@ static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *fork_event,
union perf_event *namespaces_event,
pid_t pid, int full, perf_event__handler_t process,
- struct perf_tool *tool, struct machine *machine, bool mmap_data)
+ struct perf_tool *tool, struct machine *machine,
+ bool needs_mmap, bool mmap_data)
{
char filename[PATH_MAX];
struct dirent **dirent;
@@ -739,7 +740,7 @@ static int __event__synthesize_thread(union perf_event *comm_event,
* send mmap only for thread group leader
* see thread__init_maps()
*/
- if (pid == tgid &&
+ if (pid == tgid && needs_mmap &&
perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
process, machine, mmap_data))
return -1;
@@ -786,7 +787,7 @@ static int __event__synthesize_thread(union perf_event *comm_event,
break;
rc = 0;
- if (_pid == pid && !kernel_thread) {
+ if (_pid == pid && !kernel_thread && needs_mmap) {
/* process the parent's maps too */
rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
process, machine, mmap_data);
@@ -806,7 +807,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
struct perf_thread_map *threads,
perf_event__handler_t process,
struct machine *machine,
- bool mmap_data)
+ bool needs_mmap, bool mmap_data)
{
union perf_event *comm_event, *mmap_event, *fork_event;
union perf_event *namespaces_event;
@@ -836,7 +837,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
fork_event, namespaces_event,
perf_thread_map__pid(threads, thread), 0,
process, tool, machine,
- mmap_data)) {
+ needs_mmap, mmap_data)) {
err = -1;
break;
}
@@ -862,7 +863,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
fork_event, namespaces_event,
comm_event->comm.pid, 0,
process, tool, machine,
- mmap_data)) {
+ needs_mmap, mmap_data)) {
err = -1;
break;
}
@@ -882,6 +883,7 @@ out:
static int __perf_event__synthesize_threads(struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine,
+ bool needs_mmap,
bool mmap_data,
struct dirent **dirent,
int start,
@@ -926,7 +928,7 @@ static int __perf_event__synthesize_threads(struct perf_tool *tool,
*/
__event__synthesize_thread(comm_event, mmap_event, fork_event,
namespaces_event, pid, 1, process,
- tool, machine, mmap_data);
+ tool, machine, needs_mmap, mmap_data);
}
err = 0;
@@ -945,6 +947,7 @@ struct synthesize_threads_arg {
struct perf_tool *tool;
perf_event__handler_t process;
struct machine *machine;
+ bool needs_mmap;
bool mmap_data;
struct dirent **dirent;
int num;
@@ -956,7 +959,8 @@ static void *synthesize_threads_worker(void *arg)
struct synthesize_threads_arg *args = arg;
__perf_event__synthesize_threads(args->tool, args->process,
- args->machine, args->mmap_data,
+ args->machine,
+ args->needs_mmap, args->mmap_data,
args->dirent,
args->start, args->num);
return NULL;
@@ -965,7 +969,7 @@ static void *synthesize_threads_worker(void *arg)
int perf_event__synthesize_threads(struct perf_tool *tool,
perf_event__handler_t process,
struct machine *machine,
- bool mmap_data,
+ bool needs_mmap, bool mmap_data,
unsigned int nr_threads_synthesize)
{
struct synthesize_threads_arg *args = NULL;
@@ -994,7 +998,8 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
if (thread_nr <= 1) {
err = __perf_event__synthesize_threads(tool, process,
- machine, mmap_data,
+ machine,
+ needs_mmap, mmap_data,
dirent, base, n);
goto free_dirent;
}
@@ -1015,6 +1020,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
args[i].tool = tool;
args[i].process = process;
args[i].machine = machine;
+ args[i].needs_mmap = needs_mmap;
args[i].mmap_data = mmap_data;
args[i].dirent = dirent;
}
@@ -1775,26 +1781,27 @@ out_err:
int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
struct target *target, struct perf_thread_map *threads,
- perf_event__handler_t process, bool data_mmap,
- unsigned int nr_threads_synthesize)
+ perf_event__handler_t process, bool needs_mmap,
+ bool data_mmap, unsigned int nr_threads_synthesize)
{
if (target__has_task(target))
- return perf_event__synthesize_thread_map(tool, threads, process, machine, data_mmap);
+ return perf_event__synthesize_thread_map(tool, threads, process, machine,
+ needs_mmap, data_mmap);
else if (target__has_cpu(target))
- return perf_event__synthesize_threads(tool, process,
- machine, data_mmap,
+ return perf_event__synthesize_threads(tool, process, machine,
+ needs_mmap, data_mmap,
nr_threads_synthesize);
/* command specified */
return 0;
}
int machine__synthesize_threads(struct machine *machine, struct target *target,
- struct perf_thread_map *threads, bool data_mmap,
- unsigned int nr_threads_synthesize)
+ struct perf_thread_map *threads, bool needs_mmap,
+ bool data_mmap, unsigned int nr_threads_synthesize)
{
return __machine__synthesize_threads(machine, NULL, target, threads,
- perf_event__process, data_mmap,
- nr_threads_synthesize);
+ perf_event__process, needs_mmap,
+ data_mmap, nr_threads_synthesize);
}
static struct perf_record_event_update *event_update_event__new(size_t size, u64 type, u64 id)
diff --git a/tools/perf/util/synthetic-events.h b/tools/perf/util/synthetic-events.h
index c845e2b9b444..44f72d56ca4d 100644
--- a/tools/perf/util/synthetic-events.h
+++ b/tools/perf/util/synthetic-events.h
@@ -53,8 +53,8 @@ int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct p
int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_stat(struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
-int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool mmap_data);
-int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int nr_threads_synthesize);
+int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data);
+int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data, unsigned int nr_threads_synthesize);
int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
pid_t perf_event__synthesize_comm(struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine);
@@ -65,10 +65,10 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
struct target *target, struct perf_thread_map *threads,
- perf_event__handler_t process, bool data_mmap,
+ perf_event__handler_t process, bool needs_mmap, bool data_mmap,
unsigned int nr_threads_synthesize);
int machine__synthesize_threads(struct machine *machine, struct target *target,
- struct perf_thread_map *threads, bool data_mmap,
+ struct perf_thread_map *threads, bool needs_mmap, bool data_mmap,
unsigned int nr_threads_synthesize);
#ifdef HAVE_AUXTRACE_SUPPORT