tests/manual_mode_tracing.sh

   1 #!/bin/bash
   2 #
   3 # Copyright 2010 Ericsson AB
   4 #
   5 #    This file is part of LTTng-UST.
   6 #
   7 #    LTTng-UST is free software: you can redistribute it and/or modify
   8 #    it under the terms of the GNU General Public License as published by
   9 #    the Free Software Foundation, either version 3 of the License, or
  10 #    (at your option) any later version.
  11 #
  12 #    LTTng-UST is distributed in the hope that it will be useful,
  13 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #    GNU General Public License for more details.
  16 #
  17 #    You should have received a copy of the GNU General Public License
  18 #    along with LTTng-UST.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # This tests manual mode tracing, meaning the process is first started, then
  21 # the tracing is set up with ustctl. Then verifications are done to make sure
  22 # all the events that were supposed to be in the trace are there.
  23
  24 TESTDIR=$(dirname $0)
  25
  26 source $TESTDIR/test_functions.sh
  27 source $TESTDIR/tap.sh
  28
  29 starttest "Manual mode tracing"
  30
  31 plan_tests 9
  32
  33 TRACE_DIR="/tmp/ust-testsuite-manual-trace"
  34 rm -rf "$TRACE_DIR"
  35 mkdir "$TRACE_DIR"
  36
  37 pidfilepath="/tmp/ust-testsuite-$USER-$(date +%Y%m%d%H%M%S%N)-ustd-pid"
  38 mkfifo -m 0600 "$pidfilepath"
  39
  40 ustd --pidfile "$pidfilepath" -o "$TRACE_DIR" >/dev/null 2>&1 &
  41 USTD_PID="$(<$pidfilepath)"
  42
  43 LD_PRELOAD=/usr/local/lib/libust.so.0.0.0:/usr/local/lib/libustinstr-malloc.so find -L / >/dev/null 2>&1 &
  44 PID=$!
  45 sleep 0.1
  46 okx ustctl --list-markers "$PID"
  47 okx ustctl --enable-marker ust/malloc $PID
  48 okx ustctl --enable-marker ust/free $PID
  49 okx ustctl --create-trace $PID
  50 okx ustctl --alloc-trace $PID
  51 okx ustctl --start-trace $PID
  52 sleep 0.5
  53
  54 okx ustctl --stop-trace $PID
  55 okx ustctl --destroy-trace $PID
  56 kill $PID
  57 kill -SIGTERM $USTD_PID
  58 wait $USTD_PID
  59
  60 trace_matches -N "ust.malloc" "^ust.malloc:" "$TRACE_DIR"