2 files changed, 12 insertions, 2 deletions

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index dba877dc9482..9cba92386a82 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -688,6 +688,7 @@ struct event_modifier {
 	int precise;
 	int exclude_GH;
 	int sample_read;
+	int pinned;
 };
 
 static int get_event_modifier(struct event_modifier *mod, char *str,
@@ -700,6 +701,7 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
 	int eG = evsel ? evsel->attr.exclude_guest : 0;
 	int precise = evsel ? evsel->attr.precise_ip : 0;
 	int sample_read = 0;
+	int pinned = evsel ? evsel->attr.pinned : 0;
 
 	int exclude = eu | ek | eh;
 	int exclude_GH = evsel ? evsel->exclude_GH : 0;
@@ -734,6 +736,8 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
 				eG = 1;
 		} else if (*str == 'S') {
 			sample_read = 1;
+		} else if (*str == 'D') {
+			pinned = 1;
 		} else
 			break;
 
@@ -761,6 +765,8 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
 	mod->precise = precise;
 	mod->exclude_GH = exclude_GH;
 	mod->sample_read = sample_read;
+	mod->pinned = pinned;
+
 	return 0;
 }
 
@@ -773,7 +779,7 @@ static int check_modifier(char *str)
 	char *p = str;
 
 	/* The sizeof includes 0 byte as well. */
-	if (strlen(str) > (sizeof("ukhGHpppS") - 1))
+	if (strlen(str) > (sizeof("ukhGHpppSD") - 1))
 		return -1;
 
 	while (*p) {
@@ -812,6 +818,9 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add)
 		evsel->attr.exclude_guest  = mod.eG;
 		evsel->exclude_GH          = mod.exclude_GH;
 		evsel->sample_read         = mod.sample_read;
+
+		if (perf_evsel__is_group_leader(evsel))
+			evsel->attr.pinned = mod.pinned;
 	}
 
 	return 0;
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index b36115fe416a..0790452658b3 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -82,7 +82,8 @@ num_hex		0x[a-fA-F0-9]+
 num_raw_hex	[a-fA-F0-9]+
 name		[a-zA-Z_*?][a-zA-Z0-9_*?]*
 name_minus	[a-zA-Z_*?][a-zA-Z0-9\-_*?]*
-modifier_event	[ukhpGHS]+
+/* If you add a modifier you need to update check_modifier() */
+modifier_event	[ukhpGHSD]+
 modifier_bp	[rwx]{1,3}
 
 %%