diff mbox series

[v1,3/7] bpf: Sync bpf_perf_event_aux_pause in tools UAPI bpf.h

Message ID 20241215193436.275278-4-leo.yan@arm.com (mailing list archive)
State New
Headers show
Series perf auxtrace: Support AUX pause with BPF backend | expand

Commit Message

Leo Yan Dec. 15, 2024, 7:34 p.m. UTC
As the new API bpf_perf_event_aux_pause has been added in the kernel
UAPI bpf.h.  Sync with tools UAPI bpf.h.

Signed-off-by: Leo Yan <leo.yan@arm.com>
---
 tools/include/uapi/linux/bpf.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
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Patch

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 4162afc6b5d0..678278c91ce2 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -5795,6 +5795,26 @@  union bpf_attr {
  *		0 on success.
  *
  *		**-ENOENT** if the bpf_local_storage cannot be found.
+ *
+ * long bpf_perf_event_aux_pause(struct bpf_map *map, u64 flags, u32 pause)
+ *	Description
+ *		Pause or resume an AUX area trace associated to the perf event.
+ *
+ *		The *flags* argument is specified as the key value for
+ *		retrieving event pointer from the passed *map*.
+ *
+ *		The *pause* argument controls AUX trace pause or resume.
+ *		Non-zero values (true) are to pause the AUX trace and the zero
+ *		value (false) is for re-enabling the AUX trace.
+ *	Return
+ *		0 on success.
+ *
+ *		**-ENOENT** if not found event in the events map.
+ *
+ *		**-E2BIG** if the event index passed in the *flags* parameter
+ *		is out-of-range of the map.
+ *
+ *		**-EINVAL** if the flags passed is an invalid value.
  */
 #define ___BPF_FUNC_MAPPER(FN, ctx...)			\
 	FN(unspec, 0, ##ctx)				\
@@ -6009,6 +6029,7 @@  union bpf_attr {
 	FN(user_ringbuf_drain, 209, ##ctx)		\
 	FN(cgrp_storage_get, 210, ##ctx)		\
 	FN(cgrp_storage_delete, 211, ##ctx)		\
+	FN(perf_event_aux_pause, 212, ##ctx)		\
 	/* */
 
 /* backwards-compatibility macros for users of __BPF_FUNC_MAPPER that don't