91 lines
1.8 KiB
Bash
91 lines
1.8 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Test trace remote reset
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# requires: remotes/test
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. $TEST_DIR/remotes/functions
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check_reset()
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{
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write_event_path="write_event"
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taskset=""
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clear_trace
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# Is the buffer empty?
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output=$(dump_trace_pipe)
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test $(wc -l $output | cut -d ' ' -f1) -eq 0
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if $(echo $(pwd) | grep -q "per_cpu/cpu"); then
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write_event_path="../../write_event"
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cpu_id=$(echo $(pwd) | sed -e 's/.*per_cpu\/cpu//')
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taskset="taskset -c $cpu_id"
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fi
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rm $output
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# Can we properly write a new event?
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$taskset echo 7890 > $write_event_path
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output=$(dump_trace_pipe)
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test $(wc -l $output | cut -d ' ' -f1) -eq 1
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grep -q "id=7890" $output
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rm $output
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}
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test_global_interface()
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{
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output=$(mktemp $TMPDIR/remote_test.XXXXXX)
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# Confidence check
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echo 123456 > write_event
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output=$(dump_trace_pipe)
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grep -q "id=123456" $output
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rm $output
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# Reset single event
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echo 1 > write_event
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check_reset
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# Reset lost events
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for i in $(seq 1 10000); do
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echo 1 > write_event
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done
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check_reset
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}
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test_percpu_interface()
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{
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[ "$(get_cpu_ids | wc -l)" -ge 2 ] || return 0
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for cpu in $(get_cpu_ids); do
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taskset -c $cpu echo 1 > write_event
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done
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check_non_empty=0
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for cpu in $(get_cpu_ids); do
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cd per_cpu/cpu$cpu/
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if [ $check_non_empty -eq 0 ]; then
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check_reset
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check_non_empty=1
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else
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# Check we have only reset 1 CPU
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output=$(dump_trace_pipe)
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test $(wc -l $output | cut -d ' ' -f1) -eq 1
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rm $output
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fi
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cd -
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done
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}
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test_reset()
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{
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test_global_interface
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test_percpu_interface
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}
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if [ -z "$SOURCE_REMOTE_TEST" ]; then
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set -e
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setup_remote_test
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test_reset
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fi
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