tests/benchmark/run-urcu-tests.sh

   1 #!/bin/bash
   2
   3 source ../utils/tap.sh
   4
   5 NUM_TESTS=103
   6
   7 plan_tests      ${NUM_TESTS}
   8
   9 #run all tests
  10 diag "Executing URCU tests"
  11
  12 NUM_CPUS="1"
  13 for i in nproc gnproc; do
  14         NUM_CPUS=$($i 2>/dev/null)
  15         if [ "$?" -eq "0" ]; then
  16                 break
  17         else
  18                 NUM_CPUS="1"
  19         fi
  20 done
  21
  22 #set to number of active CPUS
  23 if [[ ${NUM_CPUS} -lt 4 ]]; then
  24         NUM_CPUS=4      # Floor at 4 due to following assumptions.
  25 fi
  26
  27 #first parameter: seconds per test
  28 DURATION=$1
  29
  30 #extra options, e.g. for setting affinity on even CPUs :
  31 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  32
  33 #ppc64 striding, use with NUM_CPUS=8
  34
  35 #stride 1
  36 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  37 #stride 2
  38 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  39 #stride 4
  40 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  41 #stride 8
  42 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  43
  44 #Vary update fraction
  45 #x: vary update fraction from 0 to 0.0001
  46   #fix number of readers and reader C.S. length, vary delay between updates
  47 #y: ops/s
  48
  49
  50 diag "Executing batch RCU test"
  51
  52 BATCH_ARRAY="1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536
  53              131072 262144"
  54 NR_WRITERS=$((${NUM_CPUS} / 2))
  55
  56 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  57 for BATCH_SIZE in ${BATCH_ARRAY}; do
  58         okx ./runtests-batch.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d 0 -b ${BATCH_SIZE} ${EXTRA_OPTS}
  59 done
  60
  61 #setting gc each 32768. ** UPDATE FOR YOUR ARCHITECTURE BASED ON TEST ABOVE **
  62 EXTRA_OPTS="${EXTRA_OPTS} -b 32768"
  63
  64 diag "Executing update fraction test"
  65
  66 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  67               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  68               16777216 33554432 67108864 134217728"
  69 NR_WRITERS=$((${NUM_CPUS} / 2))
  70
  71 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  72 for WDELAY in ${WDELAY_ARRAY}; do
  73         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS}
  74 done
  75
  76 #Test scalability :
  77 # x: vary number of readers from 0 to num cpus
  78 # y: ops/s
  79 # 0 writer.
  80
  81 diag "Executing scalability test"
  82
  83 NR_WRITERS=0
  84
  85 for NR_READERS in $(seq 1 ${NUM_CPUS}); do
  86         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}
  87 done
  88
  89
  90 # x: Vary reader C.S. length from 0 to 100 us
  91 # y: ops/s
  92 # 8 readers
  93 # 0 writers
  94
  95 diag "Executing reader C.S. length test"
  96
  97 NR_READERS=${NUM_CPUS}
  98 NR_WRITERS=0
  99 #in loops.
 100 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"
 101
 102 for READERCSLEN in ${READERCSLEN_ARRAY}; do
 103         okx ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN}
 104 done