[PATCH v4 09/10] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h

From: Marco Elver
Date: Thu Apr 08 2021 - 06:37:43 EST


Sync tool's uapi to pick up the changes adding inherit_thread,
remove_on_exec, and sigtrap fields to perf_event_attr.

Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
---
v4:
* Update for new perf_event_attr::sig_data.

v3:
* Added to series.
---
tools/include/uapi/linux/perf_event.h | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index ad15e40d7f5d..31b00e3b69c9 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -311,6 +311,7 @@ enum perf_event_read_format {
#define PERF_ATTR_SIZE_VER4 104 /* add: sample_regs_intr */
#define PERF_ATTR_SIZE_VER5 112 /* add: aux_watermark */
#define PERF_ATTR_SIZE_VER6 120 /* add: aux_sample_size */
+#define PERF_ATTR_SIZE_VER7 128 /* add: sig_data */

/*
* Hardware event_id to monitor via a performance monitoring event:
@@ -389,7 +390,10 @@ struct perf_event_attr {
cgroup : 1, /* include cgroup events */
text_poke : 1, /* include text poke events */
build_id : 1, /* use build id in mmap2 events */
- __reserved_1 : 29;
+ inherit_thread : 1, /* children only inherit if cloned with CLONE_THREAD */
+ remove_on_exec : 1, /* event is removed from task on exec */
+ sigtrap : 1, /* send synchronous SIGTRAP on event */
+ __reserved_1 : 26;

union {
__u32 wakeup_events; /* wakeup every n events */
@@ -441,6 +445,12 @@ struct perf_event_attr {
__u16 __reserved_2;
__u32 aux_sample_size;
__u32 __reserved_3;
+
+ /*
+ * User provided data if sigtrap=1, passed back to user via
+ * siginfo_t::si_perf, e.g. to permit user to identify the event.
+ */
+ __u64 sig_data;
};

/*
--
2.31.0.208.g409f899ff0-goog