50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (c) 2015-2020 Oracle and/or its affiliates. All Rights Reserved.
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#
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# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
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cleanup()
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{
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[ -n "$busy_read_old" ] && \
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sysctl -q -w net.core.busy_read=$busy_read_old
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[ -n "$busy_poll_old" ] && \
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sysctl -q -w net.core.busy_poll=$busy_poll_old
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[ -n "$rbusy_read_old" ] && \
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tst_rhost_run -c "sysctl -q -w net.core.busy_read=$rbusy_read_old"
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[ -n "$rbusy_poll_old" ] && \
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tst_rhost_run -c "sysctl -q -w net.core.busy_poll=$rbusy_poll_old"
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}
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set_busy_poll()
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{
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local value=${1:-"0"}
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tst_set_sysctl net.core.busy_read $value safe
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tst_set_sysctl net.core.busy_poll $value safe
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}
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setup()
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{
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busy_poll_check_config
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busy_read_old="$(sysctl -n net.core.busy_read)"
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busy_poll_old="$(sysctl -n net.core.busy_poll)"
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rbusy_read_old=$(tst_rhost_run -c 'sysctl -ne net.core.busy_read')
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rbusy_poll_old=$(tst_rhost_run -c 'sysctl -ne net.core.busy_poll')
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}
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test()
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{
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for x in 50 0; do
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tst_res TINFO "set low latency busy poll to $x"
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set_busy_poll $x
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tst_netload -H $(tst_ipaddr rhost) -n 10 -N 10 -d res_$x
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done
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tst_netload_compare $(cat res_0) $(cat res_50) 1
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}
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. busy_poll_lib.sh
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tst_run
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