| 1 | #!/bin/sh |
| 2 | |
| 3 | #UST scalability test |
| 4 | |
| 5 | REPORT=/tmp/testreport |
| 6 | |
| 7 | rm $REPORT |
| 8 | |
| 9 | echo "Userspace tracing scalability test report" |tee >> $REPORT |
| 10 | |
| 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 |
| 15 | |
| 16 | sync |
| 17 | /usr/bin/time -o /tmp/testlog ./.libs/tracepoint_benchmark ${nr_threads} |
| 18 | cat /tmp/testlog >> $REPORT |
| 19 | |
| 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 |
| 25 | |
| 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 |
| 31 | |
| 32 | echo "* Flight recorder" | tee >> $REPORT |
| 33 | sync |
| 34 | /usr/bin/time -o /tmp/testlog usttrace ./.libs/tracepoint_benchmark ${nr_threads} |
| 35 | cat /tmp/testlog >> $REPORT |
| 36 | done |
| 37 | |
| 38 | cat /tmp/testreport |