Users often want to change the map size, let's add a short option (-M)
for that.
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/Documentation/perf-lock.txt | 1 +
tools/perf/builtin-lock.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 37aae194a2a1..b5e5d088d51c 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -155,6 +155,7 @@ CONTENTION OPTIONS
--tid=<value>::
Record events on existing thread ID (comma separated list).
+-M::
--map-nr-entries=<value>::
Maximum number of BPF map entries (default: 10240).
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 695ce6bd64f7..ef56bf90058d 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -2294,7 +2294,7 @@ int cmd_lock(int argc, const char **argv)
"Trace on existing process id"),
OPT_STRING(0, "tid", &target.tid, "tid",
"Trace on existing thread id (exclusive to --pid)"),
- OPT_CALLBACK(0, "map-nr-entries", &bpf_map_entries, "num",
+ OPT_CALLBACK('M', "map-nr-entries", &bpf_map_entries, "num",
"Max number of BPF map entries", parse_map_entry),
OPT_CALLBACK(0, "max-stack", &max_stack_depth, "num",
"Set the maximum stack depth when collecting lopck contention, "
--
2.40.0.577.gac1e443424-goog
