1 files changed, 32 insertions, 22 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 8374117e66f6..efa03e4ac2c9 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -52,6 +52,7 @@
 #include "util/pmu-hybrid.h"
 #include "util/evlist-hybrid.h"
 #include "util/off_cpu.h"
+#include "util/bpf-filter.h"
 #include "asm/bug.h"
 #include "perf.h"
 #include "cputopo.h"
@@ -1292,7 +1293,7 @@ static int record__open(struct record *rec)
 	 * dummy event so that we can track PERF_RECORD_MMAP to cover the delay
 	 * of waiting or event synthesis.
 	 */
-	if (opts->initial_delay || target__has_cpu(&opts->target) ||
+	if (opts->target.initial_delay || target__has_cpu(&opts->target) ||
 	    perf_pmu__has_hybrid()) {
 		pos = evlist__get_tracking_event(evlist);
 		if (!evsel__is_dummy_event(pos)) {
@@ -1307,7 +1308,7 @@ static int record__open(struct record *rec)
 		 * Enable the dummy event when the process is forked for
 		 * initial_delay, immediately for system wide.
 		 */
-		if (opts->initial_delay && !pos->immediate &&
+		if (opts->target.initial_delay && !pos->immediate &&
 		    !target__has_cpu(&opts->target))
 			pos->core.attr.enable_on_exec = 1;
 		else
@@ -1352,7 +1353,7 @@ try_again:
 
 	if (evlist__apply_filters(evlist, &pos)) {
 		pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
-			pos->filter, evsel__name(pos), errno,
+			pos->filter ?: "BPF", evsel__name(pos), errno,
 			str_error_r(errno, msg, sizeof(msg)));
 		rc = -1;
 		goto out;
@@ -1856,24 +1857,16 @@ record__switch_output(struct record *rec, bool at_exit)
 	return fd;
 }
 
-static void __record__read_lost_samples(struct record *rec, struct evsel *evsel,
+static void __record__save_lost_samples(struct record *rec, struct evsel *evsel,
 					struct perf_record_lost_samples *lost,
-					int cpu_idx, int thread_idx)
+					int cpu_idx, int thread_idx, u64 lost_count,
+					u16 misc_flag)
 {
-	struct perf_counts_values count;
 	struct perf_sample_id *sid;
 	struct perf_sample sample = {};
 	int id_hdr_size;
 
-	if (perf_evsel__read(&evsel->core, cpu_idx, thread_idx, &count) < 0) {
-		pr_err("read LOST count failed\n");
-		return;
-	}
-
-	if (count.lost == 0)
-		return;
-
-	lost->lost = count.lost;
+	lost->lost = lost_count;
 	if (evsel->core.ids) {
 		sid = xyarray__entry(evsel->core.sample_id, cpu_idx, thread_idx);
 		sample.id = sid->id;
@@ -1882,6 +1875,7 @@ static void __record__read_lost_samples(struct record *rec, struct evsel *evsel,
 	id_hdr_size = perf_event__synthesize_id_sample((void *)(lost + 1),
 						       evsel->core.attr.sample_type, &sample);
 	lost->header.size = sizeof(*lost) + id_hdr_size;
+	lost->header.misc = misc_flag;
 	record__write(rec, NULL, lost, lost->header.size);
 }
 
@@ -1905,6 +1899,7 @@ static void record__read_lost_samples(struct record *rec)
 
 	evlist__for_each_entry(session->evlist, evsel) {
 		struct xyarray *xy = evsel->core.sample_id;
+		u64 lost_count;
 
 		if (xy == NULL || evsel->core.fd == NULL)
 			continue;
@@ -1916,12 +1911,27 @@ static void record__read_lost_samples(struct record *rec)
 
 		for (int x = 0; x < xyarray__max_x(xy); x++) {
 			for (int y = 0; y < xyarray__max_y(xy); y++) {
-				__record__read_lost_samples(rec, evsel, lost, x, y);
+				struct perf_counts_values count;
+
+				if (perf_evsel__read(&evsel->core, x, y, &count) < 0) {
+					pr_debug("read LOST count failed\n");
+					goto out;
+				}
+
+				if (count.lost) {
+					__record__save_lost_samples(rec, evsel, lost,
+								    x, y, count.lost, 0);
+				}
 			}
 		}
+
+		lost_count = perf_bpf_filter__lost_count(evsel);
+		if (lost_count)
+			__record__save_lost_samples(rec, evsel, lost, 0, 0, lost_count,
+						    PERF_RECORD_MISC_LOST_SAMPLES_BPF);
 	}
+out:
 	free(lost);
-
 }
 
 static volatile sig_atomic_t workload_exec_errno;
@@ -2474,7 +2484,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
 		rec->tool.ordered_events = false;
 	}
 
-	if (!rec->evlist->core.nr_groups)
+	if (evlist__nr_groups(rec->evlist) == 0)
 		perf_header__clear_feat(&session->header, HEADER_GROUP_DESC);
 
 	if (data->is_pipe) {
@@ -2522,7 +2532,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
 	 * (apart from group members) have enable_on_exec=1 set,
 	 * so don't spoil it by prematurely enabling them.
 	 */
-	if (!target__none(&opts->target) && !opts->initial_delay)
+	if (!target__none(&opts->target) && !opts->target.initial_delay)
 		evlist__enable(rec->evlist);
 
 	/*
@@ -2574,10 +2584,10 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
 		evlist__start_workload(rec->evlist);
 	}
 
-	if (opts->initial_delay) {
+	if (opts->target.initial_delay) {
 		pr_info(EVLIST_DISABLED_MSG);
-		if (opts->initial_delay > 0) {
-			usleep(opts->initial_delay * USEC_PER_MSEC);
+		if (opts->target.initial_delay > 0) {
+			usleep(opts->target.initial_delay * USEC_PER_MSEC);
 			evlist__enable(rec->evlist);
 			pr_info(EVLIST_ENABLED_MSG);
 		}