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hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.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 field variable support
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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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-clear_synthetic_events
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-reset_tracer
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-do_reset
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 echo "Test field variable support"
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12
 
..
..
@@ -34,7 +15,7 @@
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 echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
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 echo 'hist:keys=pid,prio,comm:vals=lat:sort=pid,prio' > events/synthetic/wakeup_latency/trigger
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-ping localhost -c 3
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+ping $LOCALHOST -c 3
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 if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
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     fail "Failed to create inter-event histogram"
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 fi
..
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@@ -48,7 +29,5 @@
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 if grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then
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     fail "Failed to remove histogram with field variable"
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 fi
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-
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-do_reset
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 exit 0