From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/tools/perf/trace/beauty/futex_op.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/kernel/tools/perf/trace/beauty/futex_op.c b/kernel/tools/perf/trace/beauty/futex_op.c
index 61850fb..0036515 100644
--- a/kernel/tools/perf/trace/beauty/futex_op.c
+++ b/kernel/tools/perf/trace/beauty/futex_op.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
#include <linux/futex.h>
#ifndef FUTEX_WAIT_BITSET
@@ -19,6 +19,8 @@
static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)
{
+ bool show_prefix = arg->show_string_prefix;
+ const char *prefix = "FUTEX_";
enum syscall_futex_args {
SCF_UADDR = (1 << 0),
SCF_OP = (1 << 1),
@@ -32,7 +34,7 @@
size_t printed = 0;
switch (cmd) {
-#define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n);
+#define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", #n);
P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
@@ -50,10 +52,10 @@
}
if (op & FUTEX_PRIVATE_FLAG)
- printed += scnprintf(bf + printed, size - printed, "|PRIV");
+ printed += scnprintf(bf + printed, size - printed, "|%s%s", show_prefix ? prefix : "", "PRIVATE_FLAG");
if (op & FUTEX_CLOCK_REALTIME)
- printed += scnprintf(bf + printed, size - printed, "|CLKRT");
+ printed += scnprintf(bf + printed, size - printed, "|%s%s", show_prefix ? prefix : "", "CLOCK_REALTIME");
return printed;
}
--
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