| .. | .. |
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| 1 | 1 | #!/bin/sh |
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| 2 | 2 | # SPDX-License-Identifier: GPL-2.0 |
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| 3 | 3 | # description: event trigger - test histogram modifiers |
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| 4 | +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist |
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| 4 | 5 | # flags: instance |
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| 5 | 6 | |
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| 6 | | -do_reset() { |
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| 7 | | - reset_trigger |
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| 8 | | - echo > set_event |
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| 9 | | - clear_trace |
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| 10 | | -} |
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| 11 | | - |
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| 12 | 7 | fail() { #msg |
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| 13 | | - do_reset |
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| 14 | 8 | echo $1 |
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| 15 | 9 | exit_fail |
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| 16 | 10 | } |
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| 17 | | - |
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| 18 | | -if [ ! -f set_event -o ! -d events/sched ]; then |
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| 19 | | - echo "event tracing is not supported" |
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| 20 | | - exit_unsupported |
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| 21 | | -fi |
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| 22 | | - |
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| 23 | | -if [ ! -f events/sched/sched_process_fork/trigger ]; then |
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| 24 | | - echo "event trigger is not supported" |
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| 25 | | - exit_unsupported |
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| 26 | | -fi |
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| 27 | | - |
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| 28 | | -if [ ! -f events/sched/sched_process_fork/hist ]; then |
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| 29 | | - echo "hist trigger is not supported" |
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| 30 | | - exit_unsupported |
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| 31 | | -fi |
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| 32 | | - |
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| 33 | | -reset_tracer |
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| 34 | | -do_reset |
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| 35 | 11 | |
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| 36 | 12 | echo "Test histogram with execname modifier" |
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| 37 | 13 | |
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| .. | .. |
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| 70 | 46 | for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done |
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| 71 | 47 | grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \ |
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| 72 | 48 | fail "log2 modifier on kmem/kmalloc did not work" |
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| 73 | | - |
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| 74 | | -do_reset |
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| 75 | 49 | |
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| 76 | 50 | exit 0 |
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