From: Leo Yan <leo.yan@arm.com>
Date: Sat, 12 Oct 2024 20:47:23 +0000 (+0100)
Subject: perf probe: Use the MAX_EVENT_NAME_LEN macro
X-Git-Tag: v6.13-rc1~68^2~148
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d08e3f14e87259b9d63bf7eea7072d1bd61392ef;p=linux-block.git

perf probe: Use the MAX_EVENT_NAME_LEN macro

The MAX_EVENT_NAME_LEN macro has been defined in the kernel. Use the
same definition in the tool for more readable.

Signed-off-by: Leo Yan <leo.yan@arm.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20241012204725.928794-2-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 698a92875374..83b5744da50c 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -51,6 +51,9 @@
 
 #define PERFPROBE_GROUP "probe"
 
+/* Defined in kernel/trace/trace.h */
+#define MAX_EVENT_NAME_LEN	64
+
 bool probe_event_dry_run;	/* Dry run flag */
 struct probe_conf probe_conf = { .magic_num = DEFAULT_PROBE_MAGIC_NUM };
 
@@ -2841,7 +2844,7 @@ static int probe_trace_event__set_name(struct probe_trace_event *tev,
 				       bool allow_suffix)
 {
 	const char *event, *group;
-	char buf[64];
+	char buf[MAX_EVENT_NAME_LEN];
 	int ret;
 
 	/* If probe_event or trace_event already have the name, reuse it */