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-rw-r--r--tools/perf/util/event.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 9ad7d32dba2b..6c3017139c67 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1,5 +1,6 @@
#include <linux/types.h>
#include <sys/mman.h>
+#include <api/fs/fs.h>
#include "event.h"
#include "debug.h"
#include "hist.h"
@@ -248,6 +249,10 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
bool truncation = false;
unsigned long long timeout = proc_map_timeout * 1000000ULL;
int rc = 0;
+#ifdef MAP_HUGETLB
+ const char *hugetlbfs_mnt = hugetlbfs__mountpoint();
+ int hugetlbfs_mnt_len = hugetlbfs_mnt ? strlen(hugetlbfs_mnt) : 0;
+#endif
if (machine__is_default_guest(machine))
return 0;
@@ -342,6 +347,12 @@ out:
if (!strcmp(execname, ""))
strcpy(execname, anonstr);
+#ifdef MAP_HUGETLB
+ if (!strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
+ strcpy(execname, anonstr);
+ event->mmap2.flags |= MAP_HUGETLB;
+ }
+#endif
size = strlen(execname) + 1;
memcpy(event->mmap2.filename, execname, size);