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.
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| @@ -385,6 +385,8 @@ enum perf_event_read_format { · 384 unmodified lines | |||
| 385 | * | 385 | * |
| 386 | * @sample_max_stack: Max number of frame pointers in a callchain, | 386 | * @sample_max_stack: Max number of frame pointers in a callchain, |
| 387 | * should be < /proc/sys/kernel/perf_event_max_stack | 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 | struct perf_event_attr { | 391 | struct perf_event_attr { |
| 390 | 392 | ||