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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c authored by Linus Torvalds on 30 September 2019, 17:35:40 UTC
Linux 5.4-rc1
Tip revision: 54ecb8f
add_remove_synth.tc
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Generic dynamic event - add/remove synthetic events

[ -f dynamic_events ] || exit_unsupported

grep -q "s:\[synthetic/\]" README || exit_unsupported

echo 0 > events/enable
echo > dynamic_events

echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events
echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events

grep -q latency1 dynamic_events
grep -q latency2 dynamic_events
test -d events/synthetic/latency1
test -d events/synthetic/latency2

echo "-:synthetic/latency2" >> dynamic_events

grep -q latency1 dynamic_events
! grep -q latency2 dynamic_events

echo > dynamic_events

clear_trace
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