tests/benchmark/run-urcu-tests.sh

   1 #!/usr/bin/env bash
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4 #
   5 # SPDX-FileCopyrightText: 2022 EfficiOS Inc.
   6 #
   7
   8 if [ "x${URCU_TESTS_SRCDIR:-}" != "x" ]; then
   9         UTILSSH="$URCU_TESTS_SRCDIR/utils/utils.sh"
  10 else
  11         UTILSSH="$(dirname "$0")/../utils/utils.sh"
  12 fi
  13
  14 # Enable TAP
  15 SH_TAP=1
  16
  17 # shellcheck source=../utils/utils.sh
  18 source "$UTILSSH"
  19
  20
  21 # First parameter: seconds per test
  22 DURATION=$1
  23
  24 if [ "x${DURATION}" = "x" ]; then
  25         echo "usage: $0 [DURATION]"
  26         exit 1
  27 fi
  28
  29 # Create a temporary file for tests output
  30 TMPFILE=$(mktemp)
  31
  32 # Set trap to delete the temporary file on exit and call tap.sh '_exit'
  33 trap 'rm -f "$TMPFILE"; _exit' EXIT
  34
  35 # Set to number of active CPUS
  36 NUM_CPUS="$(urcu_nproc)"
  37 if [[ ${NUM_CPUS} -lt 4 ]]; then
  38         NUM_CPUS=4      # Floor at 4 due to following assumptions.
  39 fi
  40
  41 # batch: 19 * 1 = 19
  42 # fraction: 12 * 29 =
  43 # scalabilit NUM_CPUS * 12
  44 # reader 12 * 23 =
  45 NUM_TESTS=$(( 19 + 348 + ( NUM_CPUS * 12 ) + 276 ))
  46
  47 plan_tests      ${NUM_TESTS}
  48
  49 #run all tests
  50 diag "Executing URCU tests"
  51
  52
  53 #extra options, e.g. for setting affinity on even CPUs :
  54 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  55
  56 #ppc64 striding, use with NUM_CPUS=8
  57
  58 #stride 1
  59 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  60 #stride 2
  61 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  62 #stride 4
  63 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  64 #stride 8
  65 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  66
  67 #Vary update fraction
  68 #x: vary update fraction from 0 to 0.0001
  69   #fix number of readers and reader C.S. length, vary delay between updates
  70 #y: ops/s
  71 EXTRA_OPTS=""
  72
  73
  74 diag "Executing batch RCU test"
  75
  76 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  77              131072 262144"
  78 BATCH_TEST_ARRAY="test_urcu_gc"
  79
  80 NR_WRITERS=$((NUM_CPUS / 2))
  81 NR_READERS=$((NUM_CPUS - NR_WRITERS))
  82
  83 for BATCH_SIZE in ${BATCH_ARRAY}; do
  84         for TEST in ${BATCH_TEST_ARRAY}; do
  85                 okx ${URCU_TESTS_TIME_BIN} "${URCU_TESTS_BUILDDIR}/benchmark/${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
  86                         -d 0 -b "${BATCH_SIZE}" ${EXTRA_OPTS} 2>"${TMPFILE}"
  87                 while read -r line; do
  88                         echo "## $line"
  89                 done <"${TMPFILE}"
  90         done
  91 done
  92
  93 TEST_ARRAY="test_urcu_gc test_urcu_mb_gc test_urcu_qsbr_gc
  94             test_urcu_lgc test_urcu_mb_lgc test_urcu_qsbr_lgc
  95             test_urcu test_urcu_mb test_urcu_qsbr
  96             test_rwlock test_perthreadlock test_mutex"
  97
  98 #setting gc each 32768. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  99 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
 100
 101 diag "Executing update fraction test"
 102
 103 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
 104               65536 131072 262144 524288 1048576 2097152 4194304 8388608
 105               16777216 33554432 67108864 134217728"
 106 NR_WRITERS=$((NUM_CPUS / 2))
 107 NR_READERS=$((NUM_CPUS - NR_WRITERS))
 108
 109 for WDELAY in ${WDELAY_ARRAY}; do
 110         for TEST in ${TEST_ARRAY}; do
 111                 okx ${URCU_TESTS_TIME_BIN} "${URCU_TESTS_BUILDDIR}/benchmark/${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
 112                         -d "${WDELAY}" ${EXTRA_OPTS} 2>"${TMPFILE}"
 113                 while read -r line; do
 114                         echo "## $line"
 115                 done <"${TMPFILE}"
 116         done
 117 done
 118
 119 #Test scalability :
 120 # x: vary number of readers from 0 to num cpus
 121 # y: ops/s
 122 # 0 writer.
 123
 124 diag "Executing scalability test"
 125
 126 NR_WRITERS=0
 127
 128 for NR_READERS in $(urcu_xseq 1 ${NUM_CPUS}); do
 129         for TEST in ${TEST_ARRAY}; do
 130                 okx ${URCU_TESTS_TIME_BIN} "${URCU_TESTS_BUILDDIR}/benchmark/${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
 131                         ${EXTRA_OPTS} 2>"${TMPFILE}"
 132                 while read -r line; do
 133                         echo "## $line"
 134                 done <"${TMPFILE}"
 135         done
 136 done
 137
 138
 139 # x: Vary reader C.S. length from 0 to 100 us
 140 # y: ops/s
 141 # 8 readers
 142 # 0 writers
 143
 144 diag "Executing reader C.S. length test"
 145
 146 NR_READERS=${NUM_CPUS}
 147 NR_WRITERS=0
 148 #in loops.
 149 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"
 150
 151 for READERCSLEN in ${READERCSLEN_ARRAY}; do
 152         for TEST in ${TEST_ARRAY}; do
 153                 okx ${URCU_TESTS_TIME_BIN} "${URCU_TESTS_BUILDDIR}/benchmark/${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
 154                         -c "${READERCSLEN}" ${EXTRA_OPTS} 2>"${TMPFILE}"
 155                 while read -r line; do
 156                         echo "## $line"
 157                 done <"${TMPFILE}"
 158         done
 159 done