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/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc b/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
index 8b43c680..a96a1dc 100644
--- a/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
+++ b/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
@@ -1,16 +1,17 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event with arguments
+# requires: kprobe_events
 
-[ -f kprobe_events ] || exit_unsupported # this is configurable
-
-echo 0 > events/enable
-echo > kprobe_events
-echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events
-grep testprobe kprobe_events
+echo "p:testprobe $FUNCTION_FORK \$stack \$stack0 +0(\$stack)" > kprobe_events
+grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
 test -d events/kprobes/testprobe
+
 echo 1 > events/kprobes/testprobe/enable
 ( echo "forked")
+grep testprobe trace | grep "$FUNCTION_FORK" | \
+  grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
+
 echo 0 > events/kprobes/testprobe/enable
 echo "-:testprobe" >> kprobe_events
 clear_trace

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