5 #set to number of active CPUS
8 #extra options, e.g. for setting affinity on even CPUs :
9 #EXTRA_OPTS=$(for a in $(seq 0 2 63); do echo -n "-a ${a} "; done)
13 #x: vary update fraction from 0 to 0.0001
14 #fix number of readers and reader C.S. length, vary delay between updates
17 echo Executing update fraction
test
20 WDELAY_ARRAY
="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768
21 65536 131072 262144 524288 1048576 2097152 4194304 8388608
22 16777216 33554432 67108864 134217728"
24 rm -f update-fraction.log
26 for NR_WRITERS
in $
(seq 1 ${NUM_CPUS}); do
27 NR_READERS
=$
((${NUM_CPUS} - ${NR_WRITERS}))
28 for WDELAY
in ${WDELAY_ARRAY}; do
29 .
/runtests.sh
${NR_READERS} ${NR_WRITERS} ${DURATION} -d ${WDELAY} ${EXTRA_OPTS} |
tee -a update-fraction.log
33 # Also run with no active writer for 0% update fraction
35 NR_READERS
=$
((${NUM_CPUS} - ${NR_WRITERS}))
36 .
/runtests.sh
${NR_READERS} 0 ${DURATION} ${EXTRA_OPTS} |
tee -a update-fraction.log
39 # x: vary number of readers from 0 to num cpus
43 echo Executing scalability
test
50 for NR_READERS
in $
(seq 1 ${NUM_CPUS}); do
51 .
/runtests.sh
${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS}|
tee -a scalability.log
55 # x: Vary reader C.S. length from 0 to 100 us
60 echo Executing reader C.S. length
test
62 NR_READERS
=${NUM_CPUS}
66 READERCSLEN_ARRAY
="0 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768"
70 for READERCSLEN
in ${READERCSLEN_ARRAY}; do
71 .
/runtests.sh
${NR_READERS} ${NR_WRITERS} ${DURATION} ${EXTRA_OPTS} -c ${READERCSLEN} |
tee -a readercslen.log