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authorNamhyung Kim <namhyung@kernel.org>2025-04-09 17:11:18 -0700
committerNamhyung Kim <namhyung@kernel.org>2025-04-10 09:28:24 -0700
commitae62977331fcbf5c9a4260c88d9f94450db2d99a (patch)
treeb9f4d7839412865154072accb6b7cef598773c72 /tools
parent9dbe66640f43a3530a0e7897557f4ea41c3abe85 (diff)
tools headers: Update the uapi/linux/perf_event.h copy with the kernel sources
To pick up the changes in: c53e14f1ea4a8f8d 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>
Diffstat (limited to 'tools')
-rw-r--r--tools/include/uapi/linux/perf_event.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 0524d541d4e3..5fc753c23734 100644
--- 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 {