tests/benchmark/subphase4.sh

   1 #!/bin/sh
   2
   3 # SPDX-FileCopyrightText: 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4 #
   5 # SPDX-License-Identifier: GPL-2.0-only
   6
   7 #run all tests
   8
   9 #set to number of active CPUS
  10 #NUM_CPUS=8
  11
  12 #extra options, e.g. for setting affinity on even CPUs :
  13 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  14
  15 #ppc64 striding, use with NUM_CPUS=8
  16
  17 #stride 1
  18 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  19 #stride 2
  20 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  21 #stride 4
  22 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  23 #stride 8
  24 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  25
  26 #Vary update fraction
  27 #x: vary update fraction from 0 to 0.0001
  28   #fix number of readers and reader C.S. length, vary delay between updates
  29 #y: ops/s
  30
  31 rm -f runall.log
  32 rm -fr runall.detail.log
  33
  34
  35 echo Executing batch RCU test
  36
  37 DURATION=10
  38 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  39              131072 262144"
  40 NR_WRITERS=$((${NUM_CPUS} / 2))
  41
  42 rm -f batch-rcu.log
  43
  44 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  45 for BATCH_SIZE in ${BATCH_ARRAY}; do
  46         echo "./runtests-batch.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d 0 -b ${BATCH_SIZE} ${EXTRA_OPTS} | tee -a batch-rcu.log" >> runall.log
  47         ./runtests-batch.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d 0 -b ${BATCH_SIZE} ${EXTRA_OPTS} | tee -a batch-rcu.log
  48 done
  49
  50 #setting gc each 4096. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  51 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
  52
  53 echo Executing update fraction test
  54
  55 DURATION=10
  56 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  57               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  58               16777216 33554432 67108864 134217728"
  59 NR_WRITERS=$((${NUM_CPUS} / 2))
  60
  61 rm -f update-fraction.log
  62
  63 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  64 for WDELAY in ${WDELAY_ARRAY}; do
  65         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log" >> runall.log
  66         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log
  67 done
  68
  69 #Test scalability :
  70 # x: vary number of readers from 0 to num cpus
  71 # y: ops/s
  72 # 0 writer.
  73
  74 echo Executing scalability test
  75
  76 NR_WRITERS=0
  77 DURATION=10
  78
  79 rm -f scalability.log
  80
  81 for NR_READERS in $(seq 1 ${NUM_CPUS}); do
  82         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}| tee -a scalability.log" >> runall.log
  83         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}| tee -a scalability.log
  84 done
  85
  86
  87 # x: Vary reader C.S. length from 0 to 100 us
  88 # y: ops/s
  89 # 8 readers
  90 # 0 writers
  91
  92 echo Executing reader C.S. length test
  93
  94 NR_READERS=${NUM_CPUS}
  95 NR_WRITERS=0
  96 DURATION=10
  97 #in loops.
  98 READERCSLEN_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152"
  99
 100 rm -f readercslen.log
 101
 102 for READERCSLEN in ${READERCSLEN_ARRAY}; do
 103         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN} | tee -a readercslen.log" >> runall.log
 104         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN} | tee -a readercslen.log
 105 done