tests/benchmark/run-urcu-tests.sh

   1 #!/bin/bash
   2
   3 source ../utils/tap.sh
   4
   5 NUM_TESTS=103
   6
   7 plan_tests      ${NUM_TESTS}
   8
   9 #run all tests
  10 diag "Executing URCU tests"
  11
  12 #set to number of active CPUS
  13 NUM_CPUS=$(nproc)
  14 if [[ ${NUM_CPUS} -lt 4 ]]; then
  15         NUM_CPUS=4      # Floor at 4 due to following assumptions.
  16 fi
  17
  18 #first parameter: seconds per test
  19 DURATION=$1
  20
  21 #extra options, e.g. for setting affinity on even CPUs :
  22 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  23
  24 #ppc64 striding, use with NUM_CPUS=8
  25
  26 #stride 1
  27 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  28 #stride 2
  29 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  30 #stride 4
  31 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  32 #stride 8
  33 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  34
  35 #Vary update fraction
  36 #x: vary update fraction from 0 to 0.0001
  37   #fix number of readers and reader C.S. length, vary delay between updates
  38 #y: ops/s
  39
  40
  41 diag "Executing batch RCU test"
  42
  43 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  44              131072 262144"
  45 NR_WRITERS=$((${NUM_CPUS} / 2))
  46
  47 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  48 for BATCH_SIZE in ${BATCH_ARRAY}; do
  49         okx ./runtests-batch.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d 0 -b ${BATCH_SIZE} ${EXTRA_OPTS}
  50 done
  51
  52 #setting gc each 32768. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  53 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
  54
  55 diag "Executing update fraction test"
  56
  57 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  58               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  59               16777216 33554432 67108864 134217728"
  60 NR_WRITERS=$((${NUM_CPUS} / 2))
  61
  62 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  63 for WDELAY in ${WDELAY_ARRAY}; do
  64         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS}
  65 done
  66
  67 #Test scalability :
  68 # x: vary number of readers from 0 to num cpus
  69 # y: ops/s
  70 # 0 writer.
  71
  72 diag "Executing scalability test"
  73
  74 NR_WRITERS=0
  75
  76 for NR_READERS in $(seq 1 ${NUM_CPUS}); do
  77         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}
  78 done
  79
  80
  81 # x: Vary reader C.S. length from 0 to 100 us
  82 # y: ops/s
  83 # 8 readers
  84 # 0 writers
  85
  86 diag "Executing reader C.S. length test"
  87
  88 NR_READERS=${NUM_CPUS}
  89 NR_WRITERS=0
  90 #in loops.
  91 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"
  92
  93 for READERCSLEN in ${READERCSLEN_ARRAY}; do
  94         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN}
  95 done