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_ftrace.tc |   27 ++++++++-------------------
 1 files changed, 8 insertions(+), 19 deletions(-)

diff --git a/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
index cc4cac0..5556292 100644
--- a/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
+++ b/kernel/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
@@ -1,37 +1,33 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 # description: Kprobe dynamic event with function tracer
-
-[ -f kprobe_events ] || exit_unsupported # this is configurable
-grep function available_tracers || exit_unsupported # this is configurable
+# requires: kprobe_events stack_trace_filter function:tracer
 
 # prepare
 echo nop > current_tracer
-echo _do_fork > set_ftrace_filter
-echo 0 > events/enable
-echo > kprobe_events
-echo 'p:testprobe _do_fork' > kprobe_events
+echo $FUNCTION_FORK > set_ftrace_filter
+echo "p:testprobe $FUNCTION_FORK" > kprobe_events
 
 # kprobe on / ftrace off
 echo 1 > events/kprobes/testprobe/enable
 echo > trace
 ( echo "forked")
 grep testprobe trace
-! grep '_do_fork <-' trace
+! grep "$FUNCTION_FORK <-" trace
 
 # kprobe on / ftrace on
 echo function > current_tracer
 echo > trace
 ( echo "forked")
 grep testprobe trace
-grep '_do_fork <-' trace
+grep "$FUNCTION_FORK <-" trace
 
 # kprobe off / ftrace on
 echo 0 > events/kprobes/testprobe/enable
 echo > trace
 ( echo "forked")
 ! grep testprobe trace
-grep '_do_fork <-' trace
+grep "$FUNCTION_FORK <-" trace
 
 # kprobe on / ftrace on
 echo 1 > events/kprobes/testprobe/enable
@@ -39,18 +35,11 @@
 echo > trace
 ( echo "forked")
 grep testprobe trace
-grep '_do_fork <-' trace
+grep "$FUNCTION_FORK <-" trace
 
 # kprobe on / ftrace off
 echo nop > current_tracer
 echo > trace
 ( echo "forked")
 grep testprobe trace
-! grep '_do_fork <-' trace
-
-# cleanup
-echo nop > current_tracer
-echo > set_ftrace_filter
-echo 0 > events/kprobes/testprobe/enable
-echo > kprobe_events
-echo > trace
+! grep "$FUNCTION_FORK <-" trace

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