Document that 'b' is used as a modifier to make an event use a BPF
counter.
Fixes: 01bd8efcec44 ("perf stat: Introduce ':b' modifier")
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/Documentation/perf-list.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt
index 3b12595193c9..6bf2468f59d3 100644
--- a/tools/perf/Documentation/perf-list.txt
+++ b/tools/perf/Documentation/perf-list.txt
@@ -71,6 +71,7 @@ counted. The following modifiers exist:
D - pin the event to the PMU
W - group is weak and will fallback to non-group if not schedulable,
e - group or event are exclusive and do not share the PMU
+ b - use BPF aggregration (see perf stat --bpf-counters)
The 'p' modifier can be used for specifying how precise the instruction
address should be. The 'p' modifier can be specified multiple times:
--
2.44.0.683.g7961c838ac-goog
