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Test change config while IO is throttled, regression test for: commit a880ae93e5b5 ("blk-throttle: fix io hung due to configuration updates") Signed-off-by: Yu Kuai <[email protected]> Signed-off-by: Shin'ichiro Kawasaki <[email protected]>
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#!/bin/bash | ||
# SPDX-License-Identifier: GPL-3.0+ | ||
# Copyright (C) 2024 Yu Kuai | ||
# | ||
# Test change config while IO is throttled, regression test for | ||
# commit a880ae93e5b5 ("blk-throttle: fix io hung due to configuration updates") | ||
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. tests/throtl/rc | ||
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DESCRIPTION="change config with throttled IO" | ||
QUICK=1 | ||
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test() { | ||
echo "Running ${TEST_NAME}" | ||
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if ! _set_up_throtl; then | ||
return 1; | ||
fi | ||
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_throtl_set_limits wbps=$((512 * 1024)) | ||
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{ | ||
sleep 0.1 | ||
_throtl_issue_io write 1M 1 | ||
} & | ||
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local pid=$! | ||
echo "$pid" > "$CGROUP2_DIR/$THROTL_DIR/cgroup.procs" | ||
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sleep 1 | ||
_throtl_set_limits wbps=$((256 * 1024)) | ||
wait $pid | ||
_throtl_remove_limits | ||
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_clean_up_throtl | ||
echo "Test complete" | ||
} |
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Running throtl/005 | ||
3 | ||
Test complete |