runall.sh

   1 #!/bin/sh
   2
   3 #run all tests
   4
   5 #set to number of active CPUS
   6 NUM_CPUS=8
   7
   8 #extra options, e.g. for setting affinity on even CPUs :
   9 #EXTRA_OPTS=$(for a in $(seq 0 2 127); do echo -n "-a ${a} "; done)
  10
  11 #ppc64 striding, use with NUM_CPUS=8
  12
  13 #stride 1
  14 #EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
  15 #stride 2
  16 #EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
  17 #stride 4
  18 #EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
  19 #stride 8
  20 #EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)
  21
  22 #Vary update fraction
  23 #x: vary update fraction from 0 to 0.0001
  24   #fix number of readers and reader C.S. length, vary delay between updates
  25 #y: ops/s
  26
  27 rm -f runall.log
  28 rm -fr runall.detail.log
  29
  30 echo Executing update fraction test
  31
  32 DURATION=10
  33 WDELAY_ARRAY="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
  34               65536 131072 262144 524288 1048576 2097152 4194304 8388608
  35               16777216 33554432 67108864 134217728"
  36 NR_WRITERS=$((${NUM_CPUS} / 2))
  37
  38 rm -f update-fraction.log
  39
  40 NR_READERS=$((${NUM_CPUS} - ${NR_WRITERS}))
  41 for WDELAY in ${WDELAY_ARRAY}; do
  42         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log" >> runall.log
  43         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} | tee -a update-fraction.log
  44 done
  45
  46 #Test scalability :
  47 # x: vary number of readers from 0 to num cpus
  48 # y: ops/s
  49 # 0 writer.
  50
  51 echo Executing scalability test
  52
  53 NR_WRITERS=0
  54 DURATION=10
  55
  56 rm -f scalability.log
  57
  58 for NR_READERS in $(seq 1 ${NUM_CPUS}); do
  59         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}| tee -a scalability.log" >> runall.log
  60         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}| tee -a scalability.log
  61 done
  62
  63
  64 # x: Vary reader C.S. length from 0 to 100 us
  65 # y: ops/s
  66 # 8 readers
  67 # 0 writers
  68
  69 echo Executing reader C.S. length test
  70
  71 NR_READERS=${NUM_CPUS}
  72 NR_WRITERS=0
  73 DURATION=10
  74 #in loops.
  75 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"
  76
  77 rm -f readercslen.log
  78
  79 for READERCSLEN in ${READERCSLEN_ARRAY}; do
  80         echo "./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN} | tee -a readercslen.log" >> runall.log
  81         ./runtests.sh ${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN} | tee -a readercslen.log
  82 done