tests/tracepoint/benchmark/runtest.sh

   1 #!/bin/sh
   2
   3 # Copyright (C) 2010 David Goulet <david.goulet@polymtl.ca>
   4 # Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5 #
   6 # This library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Lesser General Public
   8 # License as published by the Free Software Foundation; either
   9 # version 2.1 of the License, or (at your option) any later version.
  10 #
  11 # This library is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # Lesser General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU Lesser General Public
  17 # License along with this library; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19
  20 # UST scalability test
  21
  22 REPORT=/tmp/testreport
  23
  24 rm $REPORT
  25
  26 echo "Userspace tracing scalability test report" |tee >> $REPORT
  27
  28 for nr_threads in 1 2 4 8; do
  29         echo "" | tee >> $REPORT
  30         echo Number of threads: $nr_threads | tee >> $REPORT
  31         echo "* Baseline" | tee >> $REPORT
  32
  33         sync
  34         /usr/bin/time -o /tmp/testlog ./.libs/tracepoint_benchmark ${nr_threads}
  35         cat /tmp/testlog >> $REPORT
  36
  37         #flight recorder, don't record trace to disk.
  38         export UST_AUTOCOLLECT=0
  39         export UST_OVERWRITE=1
  40         export UST_SUBBUF_NUM=16
  41         #default buffer size is 4k
  42
  43         #Collect traces to disk
  44         #export UST_AUTOCOLLECT=1
  45         #export UST_OVERWRITE=0
  46         #export UST_SUBBUF_NUM=16
  47         #default buffer size is 4k
  48
  49         echo "* Flight recorder" | tee >> $REPORT
  50         sync
  51         /usr/bin/time -o /tmp/testlog usttrace ./.libs/tracepoint_benchmark ${nr_threads}
  52         cat /tmp/testlog >> $REPORT
  53 done
  54
  55 cat /tmp/testreport