9 echo "Userspace tracing scalability test report" |
tee >> $REPORT
11 for nr_threads
in 1 2 4 8; do
12 echo "" |
tee >> $REPORT
13 echo Number of threads
: $nr_threads |
tee >> $REPORT
14 echo "* Baseline" |
tee >> $REPORT
17 /usr
/bin
/time -o /tmp
/testlog .
/.libs
/tracepoint_benchmark
${nr_threads}
18 cat /tmp
/testlog
>> $REPORT
20 #flight recorder, don't record trace to disk.
21 export UST_AUTOCOLLECT
=0
22 export UST_OVERWRITE
=1
23 export UST_SUBBUF_NUM
=16
24 #default buffer size is 4k
26 #Collect traces to disk
27 #export UST_AUTOCOLLECT=1
28 #export UST_OVERWRITE=0
29 #export UST_SUBBUF_NUM=16
30 #default buffer size is 4k
32 echo "* Flight recorder" |
tee >> $REPORT
34 /usr
/bin
/time -o /tmp
/testlog usttrace .
/.libs
/tracepoint_benchmark
${nr_threads}
35 cat /tmp
/testlog
>> $REPORT
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