From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/tools/perf/trace/beauty/perf_event_open.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/tools/perf/trace/beauty/perf_event_open.c b/kernel/tools/perf/trace/beauty/perf_event_open.c
index 2bafd7c..11d47db 100644
--- a/kernel/tools/perf/trace/beauty/perf_event_open.c
+++ b/kernel/tools/perf/trace/beauty/perf_event_open.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
#ifndef PERF_FLAG_FD_NO_GROUP
# define PERF_FLAG_FD_NO_GROUP (1UL << 0)
#endif
@@ -18,6 +18,8 @@
static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size,
struct syscall_arg *arg)
{
+ bool show_prefix = arg->show_string_prefix;
+ const char *prefix = "PERF_";
int printed = 0, flags = arg->val;
if (flags == 0)
@@ -25,7 +27,7 @@
#define P_FLAG(n) \
if (flags & PERF_FLAG_##n) { \
- printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
flags &= ~PERF_FLAG_##n; \
}
--
Gitblit v1.6.2