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      ${NUM_TESTS}
  36
  37 #run all tests
  38 diag "Executing URCU tests"
  39
  40 tmpfile=
  41 trap cleanup SIGINT SIGTERM EXIT
  42 tmpfile=$(mktemp)
  43
  44 #extra options, e.g. for setting affinity on even CPUs :
  45 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  46
  47 #ppc64 striding, use with NUM_CPUS=8
  48
  49 #stride 1
  50 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  51 #stride 2
  52 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  53 #stride 4
  54 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  55 #stride 8
  56 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  57
  58 #Vary update fraction
  59 #x: vary update fraction from 0 to 0.0001
  60   #fix number of readers and reader C.S. length, vary delay between updates
  61 #y: ops/s
  62
  63
  64 diag "Executing batch RCU test"
  65
  66 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  67              131072 262144"
  68 BATCH_TEST_ARRAY="test_urcu_gc"
  69
  70 NR_WRITERS=$((${NUM_CPUS} / 2))
  71
  72 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  73 for BATCH_SIZE in ${BATCH_ARRAY}; do
  74         for TEST in ${BATCH_TEST_ARRAY}; do
  75                 okx $test_time_bin ./${TEST} ${NR_READERS} ${NR_WRITERS} ${DURATION} \
  76                         -d 0 -b ${BATCH_SIZE} ${EXTRA_OPTS} 2>${tmpfile}
  77                 cat $tmpfile | while read line; do
  78                         echo "# $line"
  79                 done
  80         done
  81 done
  82
  83 TEST_ARRAY="test_urcu_gc test_urcu_signal_gc test_urcu_mb_gc test_urcu_qsbr_gc
  84             test_urcu_lgc test_urcu_signal_lgc test_urcu_mb_lgc test_urcu_qsbr_lgc
  85             test_urcu test_urcu_signal test_urcu_mb test_urcu_qsbr
  86             test_rwlock test_perthreadlock test_mutex"
  87
  88 #setting gc each 32768. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  89 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
  90
  91 diag "Executing update fraction test"
  92
  93 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  94               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  95               16777216 33554432 67108864 134217728"
  96 NR_WRITERS=$((${NUM_CPUS} / 2))
  97
  98 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  99 for WDELAY in ${WDELAY_ARRAY}; do
 100         for TEST in ${TEST_ARRAY}; do
 101                 okx $test_time_bin ./${TEST} ${NR_READERS} ${NR_WRITERS} ${DURATION} \
 102                         -d ${WDELAY} ${EXTRA_OPTS} 2>$tmpfile
 103                 cat $tmpfile | while read line; do
 104                         echo "# $line"
 105                 done
 106         done
 107 done
 108
 109 #Test scalability :
 110 # x: vary number of readers from 0 to num cpus
 111 # y: ops/s
 112 # 0 writer.
 113
 114 diag "Executing scalability test"
 115
 116 NR_WRITERS=0
 117
 118 for NR_READERS in $(xseq 1 ${NUM_CPUS}); do
 119         for TEST in ${TEST_ARRAY}; do
 120                 okx $test_time_bin ./${TEST} ${NR_READERS} ${NR_WRITERS} ${DURATION} \
 121                         ${EXTRA_OPTS} 2>$tmpfile
 122                 cat $tmpfile | while read line; do
 123                         echo "# $line"
 124                 done
 125         done
 126 done
 127
 128
 129 # x: Vary reader C.S. length from 0 to 100 us
 130 # y: ops/s
 131 # 8 readers
 132 # 0 writers
 133
 134 diag "Executing reader C.S. length test"
 135
 136 NR_READERS=${NUM_CPUS}
 137 NR_WRITERS=0
 138 #in loops.
 139 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"
 140
 141 for READERCSLEN in ${READERCSLEN_ARRAY}; do
 142         for TEST in ${TEST_ARRAY}; do
 143                 okx $test_time_bin ./${TEST} ${NR_READERS} ${NR_WRITERS} ${DURATION} \
 144                         -c ${READERCSLEN} ${EXTRA_OPTS} 2>$tmpfile
 145                 cat $tmpfile | while read line; do
 146                         echo "# $line"
 147                 done
 148         done
 149 done