tests/benchmark/run-urcu-tests.sh

   1 #!/bin/bash
   2
   3 #first parameter: seconds per test
   4 DURATION=$1
   5
   6 if [ "x${DURATION}" = "x" ]; then
   7         echo "usage: $0 [DURATION]"
   8         exit 1
   9 fi
  10
  11 . ../utils/tap.sh
  12 . ./common.sh
  13
  14 NUM_CPUS="1"
  15 for i in nproc gnproc; do
  16         NUM_CPUS=$($i 2>/dev/null)
  17         if [ "$?" -eq "0" ]; then
  18                 break
  19         else
  20                 NUM_CPUS="1"
  21         fi
  22 done
  23
  24 #set to number of active CPUS
  25 if [[ ${NUM_CPUS} -lt 4 ]]; then
  26         NUM_CPUS=4      # Floor at 4 due to following assumptions.
  27 fi
  28
  29 # batch: 19 * 1 = 19
  30 # fraction: 15 * 29 =
  31 # scalabilit NUM_CPUS * 15
  32 # reader 15 * 23 =
  33 NUM_TESTS=$(( 19 + 435 + ( NUM_CPUS * 15 ) + 345 ))
  34
  35 plan_tests      ${NUM_TESTS}
  36
  37 #run all tests
  38 diag "Executing URCU tests"
  39
  40
  41 #extra options, e.g. for setting affinity on even CPUs :
  42 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  43
  44 #ppc64 striding, use with NUM_CPUS=8
  45
  46 #stride 1
  47 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  48 #stride 2
  49 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  50 #stride 4
  51 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  52 #stride 8
  53 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  54
  55 #Vary update fraction
  56 #x: vary update fraction from 0 to 0.0001
  57   #fix number of readers and reader C.S. length, vary delay between updates
  58 #y: ops/s
  59
  60
  61 diag "Executing batch RCU test"
  62
  63 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  64              131072 262144"
  65 BATCH_TEST_ARRAY="test_urcu_gc"
  66
  67 NR_WRITERS=$((NUM_CPUS / 2))
  68 NR_READERS=$((NUM_CPUS - NR_WRITERS))
  69
  70 for BATCH_SIZE in ${BATCH_ARRAY}; do
  71         for TEST in ${BATCH_TEST_ARRAY}; do
  72                 okx ${TEST_TIME_BIN} ./"${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
  73                         -d 0 -b "${BATCH_SIZE}" ${EXTRA_OPTS} 2>"${TMPFILE}"
  74                 while read line; do
  75                         echo "## $line"
  76                 done <"${TMPFILE}"
  77         done
  78 done
  79
  80 TEST_ARRAY="test_urcu_gc test_urcu_signal_gc test_urcu_mb_gc test_urcu_qsbr_gc
  81             test_urcu_lgc test_urcu_signal_lgc test_urcu_mb_lgc test_urcu_qsbr_lgc
  82             test_urcu test_urcu_signal test_urcu_mb test_urcu_qsbr
  83             test_rwlock test_perthreadlock test_mutex"
  84
  85 #setting gc each 32768. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  86 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
  87
  88 diag "Executing update fraction test"
  89
  90 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  91               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  92               16777216 33554432 67108864 134217728"
  93 NR_WRITERS=$((NUM_CPUS / 2))
  94 NR_READERS=$((NUM_CPUS - NR_WRITERS))
  95
  96 for WDELAY in ${WDELAY_ARRAY}; do
  97         for TEST in ${TEST_ARRAY}; do
  98                 okx ${TEST_TIME_BIN} ./"${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
  99                         -d "${WDELAY}" ${EXTRA_OPTS} 2>"${TMPFILE}"
 100                 while read line; do
 101                         echo "## $line"
 102                 done <"${TMPFILE}"
 103         done
 104 done
 105
 106 #Test scalability :
 107 # x: vary number of readers from 0 to num cpus
 108 # y: ops/s
 109 # 0 writer.
 110
 111 diag "Executing scalability test"
 112
 113 NR_WRITERS=0
 114
 115 for NR_READERS in $(xseq 1 ${NUM_CPUS}); do
 116         for TEST in ${TEST_ARRAY}; do
 117                 okx ${TEST_TIME_BIN} ./"${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
 118                         ${EXTRA_OPTS} 2>"${TMPFILE}"
 119                 while read line; do
 120                         echo "## $line"
 121                 done <"${TMPFILE}"
 122         done
 123 done
 124
 125
 126 # x: Vary reader C.S. length from 0 to 100 us
 127 # y: ops/s
 128 # 8 readers
 129 # 0 writers
 130
 131 diag "Executing reader C.S. length test"
 132
 133 NR_READERS=${NUM_CPUS}
 134 NR_WRITERS=0
 135 #in loops.
 136 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"
 137
 138 for READERCSLEN in ${READERCSLEN_ARRAY}; do
 139         for TEST in ${TEST_ARRAY}; do
 140                 okx ${TEST_TIME_BIN} ./"${TEST}" "${NR_READERS}" "${NR_WRITERS}" "${DURATION}" \
 141                         -c "${READERCSLEN}" ${EXTRA_OPTS} 2>"${TMPFILE}"
 142                 while read line; do
 143                         echo "## $line"
 144                 done <"${TMPFILE}"
 145         done
 146 done