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-rw-r--r--tools/perf/util/event.c147
1 files changed, 112 insertions, 35 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 4dcecafa85d..bb0fd6da2d5 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1,11 +1,16 @@
#include <linux/types.h>
#include "event.h"
#include "debug.h"
+#include "session.h"
+#include "sort.h"
#include "string.h"
+#include "strlist.h"
#include "thread.h"
static pid_t event__synthesize_comm(pid_t pid, int full,
- int (*process)(event_t *event))
+ int (*process)(event_t *event,
+ struct perf_session *session),
+ struct perf_session *session)
{
event_t ev;
char filename[PATH_MAX];
@@ -54,7 +59,7 @@ out_race:
if (!full) {
ev.comm.tid = pid;
- process(&ev);
+ process(&ev, session);
goto out_fclose;
}
@@ -72,7 +77,7 @@ out_race:
ev.comm.tid = pid;
- process(&ev);
+ process(&ev, session);
}
closedir(tasks);
@@ -86,7 +91,9 @@ out_failure:
}
static int event__synthesize_mmap_events(pid_t pid, pid_t tgid,
- int (*process)(event_t *event))
+ int (*process)(event_t *event,
+ struct perf_session *session),
+ struct perf_session *session)
{
char filename[PATH_MAX];
FILE *fp;
@@ -141,7 +148,7 @@ static int event__synthesize_mmap_events(pid_t pid, pid_t tgid,
ev.mmap.pid = tgid;
ev.mmap.tid = pid;
- process(&ev);
+ process(&ev, session);
}
}
@@ -149,15 +156,20 @@ static int event__synthesize_mmap_events(pid_t pid, pid_t tgid,
return 0;
}
-int event__synthesize_thread(pid_t pid, int (*process)(event_t *event))
+int event__synthesize_thread(pid_t pid,
+ int (*process)(event_t *event,
+ struct perf_session *session),
+ struct perf_session *session)
{
- pid_t tgid = event__synthesize_comm(pid, 1, process);
+ pid_t tgid = event__synthesize_comm(pid, 1, process, session);
if (tgid == -1)
return -1;
- return event__synthesize_mmap_events(pid, tgid, process);
+ return event__synthesize_mmap_events(pid, tgid, process, session);
}
-void event__synthesize_threads(int (*process)(event_t *event))
+void event__synthesize_threads(int (*process)(event_t *event,
+ struct perf_session *session),
+ struct perf_session *session)
{
DIR *proc;
struct dirent dirent, *next;
@@ -171,24 +183,47 @@ void event__synthesize_threads(int (*process)(event_t *event))
if (*end) /* only interested in proper numerical dirents */
continue;
- event__synthesize_thread(pid, process);
+ event__synthesize_thread(pid, process, session);
}
closedir(proc);
}
-char *event__cwd;
-int event__cwdlen;
+static void thread__comm_adjust(struct thread *self)
+{
+ char *comm = self->comm;
-struct events_stats event__stats;
+ if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
+ (!symbol_conf.comm_list ||
+ strlist__has_entry(symbol_conf.comm_list, comm))) {
+ unsigned int slen = strlen(comm);
-int event__process_comm(event_t *self)
+ if (slen > comms__col_width) {
+ comms__col_width = slen;
+ threads__col_width = slen + 6;
+ }
+ }
+}
+
+static int thread__set_comm_adjust(struct thread *self, const char *comm)
{
- struct thread *thread = threads__findnew(self->comm.pid);
+ int ret = thread__set_comm(self, comm);
+
+ if (ret)
+ return ret;
+
+ thread__comm_adjust(self);
+
+ return 0;
+}
+
+int event__process_comm(event_t *self, struct perf_session *session)
+{
+ struct thread *thread = perf_session__findnew(session, self->comm.pid);
dump_printf(": %s:%d\n", self->comm.comm, self->comm.pid);
- if (thread == NULL || thread__set_comm(thread, self->comm.comm)) {
+ if (thread == NULL || thread__set_comm_adjust(thread, self->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
@@ -196,18 +231,18 @@ int event__process_comm(event_t *self)
return 0;
}
-int event__process_lost(event_t *self)
+int event__process_lost(event_t *self, struct perf_session *session)
{
dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost);
- event__stats.lost += self->lost.lost;
+ session->events_stats.lost += self->lost.lost;
return 0;
}
-int event__process_mmap(event_t *self)
+int event__process_mmap(event_t *self, struct perf_session *session)
{
- struct thread *thread = threads__findnew(self->mmap.pid);
+ struct thread *thread = perf_session__findnew(session, self->mmap.pid);
struct map *map = map__new(&self->mmap, MAP__FUNCTION,
- event__cwd, event__cwdlen);
+ session->cwd, session->cwdlen);
dump_printf(" %d/%d: [%p(%p) @ %p]: %s\n",
self->mmap.pid, self->mmap.tid,
@@ -224,10 +259,10 @@ int event__process_mmap(event_t *self)
return 0;
}
-int event__process_task(event_t *self)
+int event__process_task(event_t *self, struct perf_session *session)
{
- struct thread *thread = threads__findnew(self->fork.pid);
- struct thread *parent = threads__findnew(self->fork.ppid);
+ struct thread *thread = perf_session__findnew(session, self->fork.pid);
+ struct thread *parent = perf_session__findnew(session, self->fork.ppid);
dump_printf("(%d:%d):(%d:%d)\n", self->fork.pid, self->fork.tid,
self->fork.ppid, self->fork.ptid);
@@ -249,18 +284,20 @@ int event__process_task(event_t *self)
return 0;
}
-void thread__find_addr_location(struct thread *self, u8 cpumode,
+void thread__find_addr_location(struct thread *self,
+ struct perf_session *session, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
{
- struct thread *thread = al->thread = self;
+ struct map_groups *mg = &self->mg;
+ al->thread = self;
al->addr = addr;
if (cpumode & PERF_RECORD_MISC_KERNEL) {
al->level = 'k';
- thread = kthread;
+ mg = &session->kmaps;
} else if (cpumode & PERF_RECORD_MISC_USER)
al->level = '.';
else {
@@ -270,7 +307,7 @@ void thread__find_addr_location(struct thread *self, u8 cpumode,
return;
}
try_again:
- al->map = thread__find_map(thread, type, al->addr);
+ al->map = map_groups__find(mg, type, al->addr);
if (al->map == NULL) {
/*
* If this is outside of all known maps, and is a negative
@@ -281,33 +318,73 @@ try_again:
* "[vdso]" dso, but for now lets use the old trick of looking
* in the whole kernel symbol list.
*/
- if ((long long)al->addr < 0 && thread != kthread) {
- thread = kthread;
+ if ((long long)al->addr < 0 && mg != &session->kmaps) {
+ mg = &session->kmaps;
goto try_again;
}
al->sym = NULL;
} else {
al->addr = al->map->map_ip(al->map, al->addr);
- al->sym = map__find_symbol(al->map, al->addr, filter);
+ al->sym = map__find_symbol(al->map, session, al->addr, filter);
}
}
-int event__preprocess_sample(const event_t *self, struct addr_location *al,
- symbol_filter_t filter)
+static void dso__calc_col_width(struct dso *self)
+{
+ if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
+ (!symbol_conf.dso_list ||
+ strlist__has_entry(symbol_conf.dso_list, self->name))) {
+ unsigned int slen = strlen(self->name);
+ if (slen > dsos__col_width)
+ dsos__col_width = slen;
+ }
+
+ self->slen_calculated = 1;
+}
+
+int event__preprocess_sample(const event_t *self, struct perf_session *session,
+ struct addr_location *al, symbol_filter_t filter)
{
u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- struct thread *thread = threads__findnew(self->ip.pid);
+ struct thread *thread = perf_session__findnew(session, self->ip.pid);
if (thread == NULL)
return -1;
+ if (symbol_conf.comm_list &&
+ !strlist__has_entry(symbol_conf.comm_list, thread->comm))
+ goto out_filtered;
+
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
- thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
+ thread__find_addr_location(thread, session, cpumode, MAP__FUNCTION,
self->ip.ip, al, filter);
dump_printf(" ...... dso: %s\n",
al->map ? al->map->dso->long_name :
al->level == 'H' ? "[hypervisor]" : "<not found>");
+ /*
+ * We have to do this here as we may have a dso with no symbol hit that
+ * has a name longer than the ones with symbols sampled.
+ */
+ if (al->map && !sort_dso.elide && !al->map->dso->slen_calculated)
+ dso__calc_col_width(al->map->dso);
+
+ if (symbol_conf.dso_list &&
+ (!al->map || !al->map->dso ||
+ !(strlist__has_entry(symbol_conf.dso_list, al->map->dso->short_name) ||
+ (al->map->dso->short_name != al->map->dso->long_name &&
+ strlist__has_entry(symbol_conf.dso_list, al->map->dso->long_name)))))
+ goto out_filtered;
+
+ if (symbol_conf.sym_list && al->sym &&
+ !strlist__has_entry(symbol_conf.sym_list, al->sym->name))
+ goto out_filtered;
+
+ al->filtered = false;
+ return 0;
+
+out_filtered:
+ al->filtered = true;
return 0;
}