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/trigger/trigger-trace-marker-hist.tc
..
..
@@ -1,49 +1,19 @@
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 #!/bin/sh
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 # SPDX-License-Identifier: GPL-2.0
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 # description: trace_marker trigger - test histogram trigger
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+# requires: set_event events/ftrace/print/trigger events/ftrace/print/hist
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 # flags: instance
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-do_reset() {
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-    reset_trigger
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-    echo > set_event
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-    clear_trace
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-}
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-
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 fail() { #msg
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-    do_reset
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     echo $1
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     exit_fail
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 }
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-if [ ! -f set_event ]; then
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-    echo "event tracing is not supported"
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-    exit_unsupported
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-fi
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-
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-if [ ! -d events/ftrace/print ]; then
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-    echo "event trace_marker is not supported"
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-    exit_unsupported
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-fi
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-
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-if [ ! -f events/ftrace/print/trigger ]; then
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-    echo "event trigger is not supported"
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-    exit_unsupported
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-fi
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-
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-if [ ! -f events/ftrace/print/hist ]; then
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-    echo "hist trigger is not supported"
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-    exit_unsupported
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-fi
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-
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-do_reset
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-
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-echo "Test histogram trace_marker tigger"
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+echo "Test histogram trace_marker trigger"
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 echo 'hist:keys=common_pid' > events/ftrace/print/trigger
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 for i in `seq 1 10` ; do echo "hello" > trace_marker; done
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 grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \
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     fail "hist trigger did not trigger correct times on trace_marker"
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-
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-do_reset
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 exit 0