tools headers: Update the uapi/linux/perf_event.h copy with the kernel sources

namhyung · namhyung · commit ae62977331fc · 2025-04-10T09:28:24.000-07:00
To pick up the changes in: c53e14f perf: Extend per event callchain limit to branch stack Addressing this perf tools build warning: Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Please see tools/include/uapi/README for further details. Acked-by: Ingo Molnar <mingo@kernel.org> Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Link: https://lore.kernel.org/r/20250410001125.391820-4-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
@@ -385,6 +385,8 @@ enum perf_event_read_format {
  *
  * @sample_max_stack: Max number of frame pointers in a callchain,
  *		      should be < /proc/sys/kernel/perf_event_max_stack
+ *		      Max number of entries of branch stack
+ *		      should be < hardware limit
  */
 struct perf_event_attr {
 

Original file line number	Diff line number	Diff line change
`@@ -385,6 +385,8 @@ enum perf_event_read_format {`
`385`	`385`	`*`
`386`	`386`	`* @sample_max_stack: Max number of frame pointers in a callchain,`
`387`	`387`	`* should be < /proc/sys/kernel/perf_event_max_stack`
	`388`	`+ * Max number of entries of branch stack`
	`389`	`+ * should be < hardware limit`
`388`	`390`	`*/`
`389`	`391`	`struct perf_event_attr {`
`390`	`392`