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/inter-event/trigger-inter-event-combined-hist.tc
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..
@@ -1,31 +1,12 @@
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 #!/bin/sh
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+# SPDX-License-Identifier: GPL-2.0
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 # description: event trigger - test inter-event combined histogram trigger
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-
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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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+# requires: set_event synthetic_events events/sched/sched_process_fork/hist
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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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-
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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 [ ! -f synthetic_events ]; then
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-    echo "synthetic event is not supported"
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-    exit_unsupported
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-fi
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-
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-reset_tracer
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-do_reset
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-clear_synthetic_events
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 echo "Test create synthetic event"
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12
 
..
..
@@ -44,15 +25,13 @@
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 echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
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 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger
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-echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events
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-echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger
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-echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger
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+echo 'waking_plus_wakeup_latency u64 lat; pid_t pid' >> synthetic_events
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+echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking_plus_wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger
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+echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking_plus_wakeup_latency/trigger
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-ping localhost -c 3
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-if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then
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+ping $LOCALHOST -c 3
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+if ! grep -q "pid:" events/synthetic/waking_plus_wakeup_latency/hist; then
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     fail "Failed to create combined histogram"
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 fi
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-
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-do_reset
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 exit 0