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-rw-r--r--tools/perf/util/parse-events.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 2c460ede0a69..dba877dc9482 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -687,6 +687,7 @@ struct event_modifier {
int eG;
int precise;
int exclude_GH;
+ int sample_read;
};
static int get_event_modifier(struct event_modifier *mod, char *str,
@@ -698,6 +699,7 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
int eH = evsel ? evsel->attr.exclude_host : 0;
int eG = evsel ? evsel->attr.exclude_guest : 0;
int precise = evsel ? evsel->attr.precise_ip : 0;
+ int sample_read = 0;
int exclude = eu | ek | eh;
int exclude_GH = evsel ? evsel->exclude_GH : 0;
@@ -730,6 +732,8 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
/* use of precise requires exclude_guest */
if (!exclude_GH)
eG = 1;
+ } else if (*str == 'S') {
+ sample_read = 1;
} else
break;
@@ -756,6 +760,7 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
mod->eG = eG;
mod->precise = precise;
mod->exclude_GH = exclude_GH;
+ mod->sample_read = sample_read;
return 0;
}
@@ -768,7 +773,7 @@ static int check_modifier(char *str)
char *p = str;
/* The sizeof includes 0 byte as well. */
- if (strlen(str) > (sizeof("ukhGHppp") - 1))
+ if (strlen(str) > (sizeof("ukhGHpppS") - 1))
return -1;
while (*p) {
@@ -806,6 +811,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add)
evsel->attr.exclude_host = mod.eH;
evsel->attr.exclude_guest = mod.eG;
evsel->exclude_GH = mod.exclude_GH;
+ evsel->sample_read = mod.sample_read;
}
return 0;