[PATCH v1 07/25] perf trace: Don't pass evsel with sample

Ian Rogers posted 25 patches 17 hours ago
[PATCH v1 07/25] perf trace: Don't pass evsel with sample
Posted by Ian Rogers 17 hours ago
The sample now contains the evsel and so don't unnecessarily pass the
evsel.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/builtin-trace.c | 55 +++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 27 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index a092405e84aa..7a0913595943 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -536,12 +536,12 @@ static struct evsel *perf_evsel__raw_syscall_newtp(const char *direction, void *
 	return NULL;
 }
 
-#define perf_evsel__sc_tp_uint(evsel, name, sample) \
-	({ struct syscall_tp *fields = __evsel__syscall_tp(evsel); \
+#define perf_evsel__sc_tp_uint(name, sample) \
+	({ struct syscall_tp *fields = __evsel__syscall_tp(sample->evsel); \
 	   fields->name.integer(&fields->name, sample); })
 
-#define perf_evsel__sc_tp_ptr(evsel, name, sample) \
-	({ struct syscall_tp *fields = __evsel__syscall_tp(evsel); \
+#define perf_evsel__sc_tp_ptr(name, sample) \
+	({ struct syscall_tp *fields = __evsel__syscall_tp(sample->evsel); \
 	   fields->name.pointer(&fields->name, sample); })
 
 size_t strarray__scnprintf_suffix(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_suffix, int val)
@@ -2718,8 +2718,8 @@ static int trace__printf_interrupted_entry(struct trace *trace)
 	return printed;
 }
 
-static int trace__fprintf_sample(struct trace *trace, struct evsel *evsel,
-				 struct perf_sample *sample, struct thread *thread)
+static int trace__fprintf_sample(struct trace *trace, struct perf_sample *sample,
+				 struct thread *thread)
 {
 	int printed = 0;
 
@@ -2727,7 +2727,7 @@ static int trace__fprintf_sample(struct trace *trace, struct evsel *evsel,
 		double ts = (double)sample->time / NSEC_PER_MSEC;
 
 		printed += fprintf(trace->output, "%22s %10.3f %s %d/%d [%d]\n",
-				   evsel__name(evsel), ts,
+				   evsel__name(sample->evsel), ts,
 				   thread__comm_str(thread),
 				   sample->pid, sample->tid, sample->cpu);
 	}
@@ -2782,7 +2782,7 @@ static int trace__sys_enter(struct trace *trace, struct evsel *evsel,
 	void *args;
 	int printed = 0;
 	struct thread *thread;
-	int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
+	int id = perf_evsel__sc_tp_uint(id, sample), err = -1;
 	int augmented_args_size = 0, e_machine;
 	void *augmented_args = NULL;
 	struct syscall *sc;
@@ -2797,9 +2797,9 @@ static int trace__sys_enter(struct trace *trace, struct evsel *evsel,
 	if (ttrace == NULL)
 		goto out_put;
 
-	trace__fprintf_sample(trace, evsel, sample, thread);
+	trace__fprintf_sample(trace, sample, thread);
 
-	args = perf_evsel__sc_tp_ptr(evsel, args, sample);
+	args = perf_evsel__sc_tp_ptr(args, sample);
 
 	if (ttrace->entry_str == NULL) {
 		ttrace->entry_str = malloc(trace__entry_str_size);
@@ -2854,12 +2854,11 @@ static int trace__sys_enter(struct trace *trace, struct evsel *evsel,
 	return err;
 }
 
-static int trace__fprintf_sys_enter(struct trace *trace, struct evsel *evsel,
-				    struct perf_sample *sample)
+static int trace__fprintf_sys_enter(struct trace *trace, struct perf_sample *sample)
 {
 	struct thread_trace *ttrace;
 	struct thread *thread;
-	int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
+	int id = perf_evsel__sc_tp_uint(id, sample), err = -1;
 	struct syscall *sc;
 	char msg[1024];
 	void *args, *augmented_args = NULL;
@@ -2869,7 +2868,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct evsel *evsel,
 
 	thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
 	e_machine = thread__e_machine(thread, trace->host, /*e_flags=*/NULL);
-	sc = trace__syscall_info(trace, evsel, e_machine, id);
+	sc = trace__syscall_info(trace, sample->evsel, e_machine, id);
 	if (sc == NULL)
 		goto out_put;
 	ttrace = thread__trace(thread, trace);
@@ -2880,7 +2879,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct evsel *evsel,
 	if (ttrace == NULL)
 		goto out_put;
 
-	args = perf_evsel__sc_tp_ptr(evsel, args, sample);
+	args = perf_evsel__sc_tp_ptr(args, sample);
 	augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls_args_size);
 	printed += syscall__scnprintf_args(sc, msg, sizeof(msg), args, augmented_args, augmented_args_size, trace, thread);
 	fprintf(trace->output, "%.*s", (int)printed, msg);
@@ -2890,10 +2889,11 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct evsel *evsel,
 	return err;
 }
 
-static int trace__resolve_callchain(struct trace *trace, struct evsel *evsel,
+static int trace__resolve_callchain(struct trace *trace,
 				    struct perf_sample *sample,
 				    struct callchain_cursor *cursor)
 {
+	struct evsel *evsel = sample->evsel;
 	struct addr_location al;
 	int max_stack = evsel->core.attr.sample_max_stack ?
 			evsel->core.attr.sample_max_stack :
@@ -2928,7 +2928,7 @@ static int trace__sys_exit(struct trace *trace, struct evsel *evsel,
 	u64 duration = 0;
 	bool duration_calculated = false;
 	struct thread *thread;
-	int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1, callchain_ret = 0, printed = 0;
+	int id = perf_evsel__sc_tp_uint(id, sample), err = -1, callchain_ret = 0, printed = 0;
 	int alignment = trace->args_alignment, e_machine;
 	struct syscall *sc;
 	struct thread_trace *ttrace;
@@ -2942,9 +2942,9 @@ static int trace__sys_exit(struct trace *trace, struct evsel *evsel,
 	if (ttrace == NULL)
 		goto out_put;
 
-	trace__fprintf_sample(trace, evsel, sample, thread);
+	trace__fprintf_sample(trace, sample, thread);
 
-	ret = perf_evsel__sc_tp_uint(evsel, ret, sample);
+	ret = perf_evsel__sc_tp_uint(ret, sample);
 
 	if (trace->summary)
 		thread__update_stats(thread, ttrace, id, sample, ret, trace);
@@ -2966,7 +2966,7 @@ static int trace__sys_exit(struct trace *trace, struct evsel *evsel,
 	if (sample->callchain) {
 		struct callchain_cursor *cursor = get_tls_callchain_cursor();
 
-		callchain_ret = trace__resolve_callchain(trace, evsel, sample, cursor);
+		callchain_ret = trace__resolve_callchain(trace, sample, cursor);
 		if (callchain_ret == 0) {
 			if (cursor->nr < trace->min_stack)
 				goto out;
@@ -3181,9 +3181,10 @@ static void bpf_output__fprintf(struct trace *trace,
 	++trace->nr_events_printed;
 }
 
-static size_t trace__fprintf_tp_fields(struct trace *trace, struct evsel *evsel, struct perf_sample *sample,
+static size_t trace__fprintf_tp_fields(struct trace *trace, struct perf_sample *sample,
 				       struct thread *thread, void *augmented_args, int augmented_args_size)
 {
+	struct evsel *evsel = sample->evsel;
 	char bf[2048];
 	size_t size = sizeof(bf);
 	const struct tep_event *tp_format = evsel__tp_format(evsel);
@@ -3266,7 +3267,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 	if (sample->callchain) {
 		struct callchain_cursor *cursor = get_tls_callchain_cursor();
 
-		callchain_ret = trace__resolve_callchain(trace, evsel, sample, cursor);
+		callchain_ret = trace__resolve_callchain(trace, sample, cursor);
 		if (callchain_ret == 0) {
 			if (cursor->nr < trace->min_stack)
 				goto out;
@@ -3284,7 +3285,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 		trace__fprintf_comm_tid(trace, thread, trace->output);
 
 	if (evsel == trace->syscalls.events.bpf_output) {
-		int id = perf_evsel__sc_tp_uint(evsel, id, sample);
+		int id = perf_evsel__sc_tp_uint(id, sample);
 		int e_machine = thread
 			? thread__e_machine(thread, trace->host, /*e_flags=*/NULL)
 			: EM_HOST;
@@ -3292,7 +3293,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 
 		if (sc) {
 			fprintf(trace->output, "%s(", sc->name);
-			trace__fprintf_sys_enter(trace, evsel, sample);
+			trace__fprintf_sys_enter(trace, sample);
 			fputc(')', trace->output);
 			goto newline;
 		}
@@ -3312,13 +3313,13 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 		const struct tep_event *tp_format = evsel__tp_format(evsel);
 
 		if (tp_format && (strncmp(tp_format->name, "sys_enter_", 10) ||
-				  trace__fprintf_sys_enter(trace, evsel, sample))) {
+				  trace__fprintf_sys_enter(trace, sample))) {
 			if (trace->libtraceevent_print) {
 				event_format__fprintf(tp_format, sample->cpu,
 						      sample->raw_data, sample->raw_size,
 						      trace->output);
 			} else {
-				trace__fprintf_tp_fields(trace, evsel, sample, thread, NULL, 0);
+				trace__fprintf_tp_fields(trace, sample, thread, NULL, 0);
 			}
 		}
 	}
@@ -3377,7 +3378,7 @@ static int trace__pgfault(struct trace *trace,
 	if (sample->callchain) {
 		struct callchain_cursor *cursor = get_tls_callchain_cursor();
 
-		callchain_ret = trace__resolve_callchain(trace, evsel, sample, cursor);
+		callchain_ret = trace__resolve_callchain(trace, sample, cursor);
 		if (callchain_ret == 0) {
 			if (cursor->nr < trace->min_stack)
 				goto out_put;
-- 
2.53.0.239.g8d8fc8a987-goog