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56c6f8bbb2
Fix shellcheck warnings and notes identified by running shellcheck --severity=style. Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>
24 lines
748 B
Bash
24 lines
748 B
Bash
#!/usr/bin/env bash
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# Copyright (c) 2019 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Description: Offline SOS CPUs except BSP before launch UOS
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[[ $(id -u) -eq 0 ]] || { echo >&2 "ERROR: run as root"; exit 1; }
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for i in /sys/devices/system/cpu/cpu[1-9]*; do
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[[ -e "${i}/online" ]] || continue
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online=$(cat "${i}/online")
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idx=$(echo "${i}" | tr -cd "0-9")
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echo "INFO:$0: cpu${idx} online=${online}"
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if [[ "${online}" = "1" ]]; then
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echo 0 > "${i}/online"
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while [[ "${online}" = "1" ]]; do
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sleep 1
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echo 0 > "${i}/online"
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online=$(cat "${i}/online")
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done
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fi
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done
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