summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/uapi/linux/perf_event.h1
-rw-r--r--kernel/events/core.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 5b576200685..964a450a6e2 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -445,6 +445,7 @@ struct perf_event_mmap_page {
#define PERF_RECORD_MISC_GUEST_KERNEL (4 << 0)
#define PERF_RECORD_MISC_GUEST_USER (5 << 0)
+#define PERF_RECORD_MISC_MMAP_DATA (1 << 13)
/*
* Indicates that the content of PERF_SAMPLE_IP points to
* the actual instruction that triggered the event. See also
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 77c96d18c23..98c0845fcd2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4791,6 +4791,9 @@ got_name:
mmap_event->file_name = name;
mmap_event->file_size = size;
+ if (!(vma->vm_flags & VM_EXEC))
+ mmap_event->event_id.header.misc |= PERF_RECORD_MISC_MMAP_DATA;
+
mmap_event->event_id.header.size = sizeof(mmap_event->event_id) + size;
rcu_read_lock();