doc/examples/trigger-on-event/performance/perform-experience.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2020 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
   4 #
   5 # SPDX-License-Identifier: MIT
   6
   7 EVENT_NAME_HIT=performance:hit
   8 EVENT_NAME_RECEIVE=performance:receive
   9 TRIGGER_NAME=performance_hit
  10
  11 if [ -z "$1" ]; then
  12         echo "missing source id int value"
  13         exit 1
  14 fi
  15
  16 if [ -z "$2" ]; then
  17         echo "missing trace directory name"
  18         exit 1
  19 fi
  20
  21 if [ -z "$3" ]; then
  22         echo "missing loop delay"
  23         exit 1
  24 fi
  25
  26 if [ -z "$4" ]; then
  27         echo "missing loop count"
  28         exit 1
  29 fi
  30
  31 key_id="$1"
  32 trace_directory="$(pwd)/trace/$2"
  33 delay=$3
  34 count=$4
  35
  36 if ! lttng list > /dev/null 2>&1 ; then
  37     echo "Could not connect to session daemon, are you sure it is running?"
  38     exit 1
  39 fi
  40
  41 lttng create performance --output="$trace_directory"
  42 lttng enable-event -u $EVENT_NAME_HIT,$EVENT_NAME_RECEIVE -s performance
  43 lttng start
  44
  45 filter="source==$key_id"
  46 lttng add-trigger --id ${TRIGGER_NAME} --condition on-event --userspace $EVENT_NAME_HIT --filter="$filter" --action notify
  47
  48 ./consumer "$key_id" "$count" $TRIGGER_NAME &
  49
  50 # Cheap way to synchronize and ensure that the consumer is ready to consume
  51 sleep 2
  52
  53 ./producer "$key_id" "$count" "$delay" &
  54
  55 wait
  56
  57 lttng remove-trigger ${TRIGGER_NAME}
  58
  59 lttng stop
  60 lttng destroy performance
  61