修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
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@@ -1,11 +1,7 @@
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 #!/bin/sh
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 # SPDX-License-Identifier: GPL-2.0
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 # description: Test creation and deletion of trace instances while setting an event
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-
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-if [ ! -d instances ] ; then
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-    echo "no instance directory with this kernel"
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-    exit_unsupported;
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-fi
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+# requires: instances
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 fail() { # mesg
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     rmdir foo 2>/dev/null
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@@ -43,7 +39,7 @@
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 instance_set() {
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         while :; do
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-                echo 1 > foo/events/sched/sched_switch
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+                echo 1 > foo/events/sched/sched_switch/enable
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         done 2> /dev/null
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 }
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