1DETERMINE_MAXIMUM_MPPS(8) System Manager's Manual DETERMINE_MAXIMUM_MPPS(8)
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5# SPDX-License-Identifier: GPL-2.0-or-later
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8 determine_maximum_mpps - Determine the maximum mpps the machine can
9 handle
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12 determine_maximum_mpps [-a cpulist] [-m maxlat] [-n cycles] [-f | -r]
13 [-p priority] [-h]
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16 determine_maximum_mpps will find the maximum mpps parameter which can
17 sustain
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19 1. 10 consecutive 30 second runs.
20 2. 1 run of 10 minutes.
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22 Without violating the latency specified with $MAXLAT (default 20000)
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25 mpps : million-packets-per-second
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28 -a cpulist
29 List of processors to run on. The default is processor 0
30 Numbers are separated by commas and may include ranges. Eg.
31 0,3,7-11
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33 -m maxlat
34 Maximum latency in nanoseconds. The default is 20000. If the
35 maximum is exceeded, that run of queuelat quits.
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37 -n cycles
38 Extimated number of cycles it takes to process one packet. The
39 default is 300
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41 -f Set the scheduling policy to SCHED_FIFO. This is the default if
42 not specified.
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44 -r Set the scheduling policy to SCHED_RR.
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46 -p priority
47 default priority = 1. Valid numbers are from 1 to 99
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49 -h help
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52 determine_maximum_mpps was written by
53 Marcelo Tosatti <mtosatti@redhat.com>
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55 This man page was written by John Kacur <jkacur@redhat.com>
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59 Dec 4, 2020 DETERMINE_MAXIMUM_MPPS(8)