summaryrefslogtreecommitdiff
path: root/tools/perf/util/event.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/event.c')
-rw-r--r--tools/perf/util/event.c118
1 files changed, 79 insertions, 39 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 8d51f21107aa..bb788c109fe6 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -11,6 +11,7 @@
static const char *perf_event__names[] = {
[0] = "TOTAL",
[PERF_RECORD_MMAP] = "MMAP",
+ [PERF_RECORD_MMAP2] = "MMAP2",
[PERF_RECORD_LOST] = "LOST",
[PERF_RECORD_COMM] = "COMM",
[PERF_RECORD_EXIT] = "EXIT",
@@ -169,7 +170,8 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
union perf_event *event,
pid_t pid, pid_t tgid,
perf_event__handler_t process,
- struct machine *machine)
+ struct machine *machine,
+ bool mmap_data)
{
char filename[PATH_MAX];
FILE *fp;
@@ -187,10 +189,6 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
}
event->header.type = PERF_RECORD_MMAP;
- /*
- * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
- */
- event->header.misc = PERF_RECORD_MISC_USER;
while (1) {
char bf[BUFSIZ];
@@ -198,6 +196,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
char execname[PATH_MAX];
char anonstr[] = "//anon";
size_t size;
+ ssize_t n;
if (fgets(bf, sizeof(bf), fp) == NULL)
break;
@@ -206,12 +205,26 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
strcpy(execname, "");
/* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n",
+ n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n",
&event->mmap.start, &event->mmap.len, prot,
- &event->mmap.pgoff, execname);
-
- if (prot[2] != 'x')
+ &event->mmap.pgoff,
+ execname);
+ /*
+ * Anon maps don't have the execname.
+ */
+ if (n < 4)
continue;
+ /*
+ * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
+ */
+ event->header.misc = PERF_RECORD_MISC_USER;
+
+ if (prot[2] != 'x') {
+ if (!mmap_data || prot[0] != 'r')
+ continue;
+
+ event->header.misc |= PERF_RECORD_MISC_MMAP_DATA;
+ }
if (!strcmp(execname, ""))
strcpy(execname, anonstr);
@@ -221,7 +234,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
size = PERF_ALIGN(size, sizeof(u64));
event->mmap.len -= event->mmap.start;
event->mmap.header.size = (sizeof(event->mmap) -
- (sizeof(event->mmap.filename) - size));
+ (sizeof(event->mmap.filename) - size));
memset(event->mmap.filename + size, 0, machine->id_hdr_size);
event->mmap.header.size += machine->id_hdr_size;
event->mmap.pid = tgid;
@@ -298,20 +311,21 @@ static int __event__synthesize_thread(union perf_event *comm_event,
pid_t pid, int full,
perf_event__handler_t process,
struct perf_tool *tool,
- struct machine *machine)
+ struct machine *machine, bool mmap_data)
{
pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full,
process, machine);
if (tgid == -1)
return -1;
return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
- process, machine);
+ process, machine, mmap_data);
}
int perf_event__synthesize_thread_map(struct perf_tool *tool,
struct thread_map *threads,
perf_event__handler_t process,
- struct machine *machine)
+ struct machine *machine,
+ bool mmap_data)
{
union perf_event *comm_event, *mmap_event;
int err = -1, thread, j;
@@ -328,7 +342,8 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
for (thread = 0; thread < threads->nr; ++thread) {
if (__event__synthesize_thread(comm_event, mmap_event,
threads->map[thread], 0,
- process, tool, machine)) {
+ process, tool, machine,
+ mmap_data)) {
err = -1;
break;
}
@@ -350,10 +365,10 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
/* if not, generate events for it */
if (need_leader &&
- __event__synthesize_thread(comm_event,
- mmap_event,
- comm_event->comm.pid, 0,
- process, tool, machine)) {
+ __event__synthesize_thread(comm_event, mmap_event,
+ comm_event->comm.pid, 0,
+ process, tool, machine,
+ mmap_data)) {
err = -1;
break;
}
@@ -368,7 +383,7 @@ out:
int perf_event__synthesize_threads(struct perf_tool *tool,
perf_event__handler_t process,
- struct machine *machine)
+ struct machine *machine, bool mmap_data)
{
DIR *proc;
struct dirent dirent, *next;
@@ -398,7 +413,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
* one thread couldn't be synthesized.
*/
__event__synthesize_thread(comm_event, mmap_event, pid, 1,
- process, tool, machine);
+ process, tool, machine, mmap_data);
}
err = 0;
@@ -506,33 +521,55 @@ size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_comm_event(machine, event);
+ return machine__process_comm_event(machine, event, sample);
}
int perf_event__process_lost(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_lost_event(machine, event);
+ return machine__process_lost_event(machine, event, sample);
}
size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp)
{
- return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
+ return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %c %s\n",
event->mmap.pid, event->mmap.tid, event->mmap.start,
- event->mmap.len, event->mmap.pgoff, event->mmap.filename);
+ event->mmap.len, event->mmap.pgoff,
+ (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x',
+ event->mmap.filename);
+}
+
+size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64
+ " %02x:%02x %"PRIu64" %"PRIu64"]: %c %s\n",
+ event->mmap2.pid, event->mmap2.tid, event->mmap2.start,
+ event->mmap2.len, event->mmap2.pgoff, event->mmap2.maj,
+ event->mmap2.min, event->mmap2.ino,
+ event->mmap2.ino_generation,
+ (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x',
+ event->mmap2.filename);
}
int perf_event__process_mmap(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return machine__process_mmap_event(machine, event, sample);
+}
+
+int perf_event__process_mmap2(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_mmap_event(machine, event);
+ return machine__process_mmap2_event(machine, event, sample);
}
size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
@@ -544,18 +581,18 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
int perf_event__process_fork(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_fork_event(machine, event);
+ return machine__process_fork_event(machine, event, sample);
}
int perf_event__process_exit(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_exit_event(machine, event);
+ return machine__process_exit_event(machine, event, sample);
}
size_t perf_event__fprintf(union perf_event *event, FILE *fp)
@@ -574,6 +611,9 @@ size_t perf_event__fprintf(union perf_event *event, FILE *fp)
case PERF_RECORD_MMAP:
ret += perf_event__fprintf_mmap(event, fp);
break;
+ case PERF_RECORD_MMAP2:
+ ret += perf_event__fprintf_mmap2(event, fp);
+ break;
default:
ret += fprintf(fp, "\n");
}
@@ -583,21 +623,21 @@ size_t perf_event__fprintf(union perf_event *event, FILE *fp)
int perf_event__process(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
- return machine__process_event(machine, event);
+ return machine__process_event(machine, event, sample);
}
-void thread__find_addr_map(struct thread *self,
+void thread__find_addr_map(struct thread *thread,
struct machine *machine, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al)
{
- struct map_groups *mg = &self->mg;
+ struct map_groups *mg = &thread->mg;
bool load_map = false;
- al->thread = self;
+ al->thread = thread;
al->addr = addr;
al->cpumode = cpumode;
al->filtered = false;
@@ -693,10 +733,10 @@ int perf_event__preprocess_sample(const union perf_event *event,
return -1;
if (symbol_conf.comm_list &&
- !strlist__has_entry(symbol_conf.comm_list, thread->comm))
+ !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread)))
goto out_filtered;
- dump_printf(" ... thread: %s:%d\n", thread->comm, thread->tid);
+ dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid);
/*
* Have we already created the kernel maps for this machine?
*
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-23 14:50:23 +0000