SoW-2020-0002: Trace Hit Counters: trigger error reporting integration

[lttng-tools.git] / tests / regression / tools / notification / util_event_generator.sh

diff --git a/tests/regression/tools/notification/util_event_generator.sh b/tests/regression/tools/notification/util_event_generator.sh
new file mode 100644 (file)
index 0000000..cafd064
--- /dev/null
+++ b/tests/regression/tools/notification/util_event_generator.sh
@@ -0,0 +1,195 @@
+#!/bin/bash
+#
+# Copyright (C) 2020 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+#
+# SPDX-License-Identifier: LGPL-2.1-only
+
+GENERATOR_CURDIR=$(dirname "$0")/
+GENERATOR_TESTDIR=$GENERATOR_CURDIR/../../../
+TESTAPP_PATH=${TESTAPP_PATH:-"$GENERATOR_TESTDIR/utils/testapp"}
+
+SYSCALL_TESTAPP_NAME=${SYSCALL_TESTAPP_NAME:-"gen-syscall-events"}
+SYSCALL_TESTAPP_BIN=${SYSCALL_TESTAPP_BIN:-"$TESTAPP_PATH/$SYSCALL_TESTAPP_NAME/$SYSCALL_TESTAPP_NAME"}
+
+USERSPACE_PROBE_ELF_TESTAPP_NAME=${USERSPACE_PROBE_ELF_TESTAPP_NAME:-"userspace-probe-elf-binary"}
+USERSPACE_PROBE_ELF_TESTAPP_BIN=${USERSPACE_PROBE_ELF_TESTAPP_BIN:-"$TESTAPP_PATH/$USERSPACE_PROBE_ELF_TESTAPP_NAME/.libs/$USERSPACE_PROBE_ELF_TESTAPP_NAME"}
+
+function generate_filter_events
+{
+       local nr=$1
+       /bin/echo -n "$nr" > /proc/lttng-test-filter-event 2> /dev/null
+}
+
+function generate_syscalls
+{
+       local nr=$1
+       shift
+
+       for i in $(seq 1 "$nr"); do
+               # Pass /dev/null so to generate the syscall right away.
+               $SYSCALL_TESTAPP_BIN /dev/null "$@"
+       done
+}
+
+function userspace_probe_testapp
+{
+       local nr=$1
+       shift 
+
+       for i in $(seq 1 "$nr"); do
+               $USERSPACE_PROBE_ELF_TESTAPP_BIN "$@"
+       done
+}
+
+function ust_event_generator_toggle_state
+{
+       ust_event_generator_suspended=$((ust_event_generator_suspended==0))
+}
+
+function generator_quit
+{
+       generator_quit=0
+}
+
+# Note: Only one generator can be used at a time per domain type
+function ust_event_generator_run_once_per_transition
+{
+       # Used by the signal trap
+       ust_event_generator_suspended=0
+       # Used by the signal trap for SIGUSR2 to end the generator
+       generator_quit=1
+
+       local test_app=$1
+       local state_file=$2
+       local nr_iter=$3
+       local nr_usec_wait=$4
+       local run=false
+
+       # Pass any of the remaining arguments to the generator.
+       shift 4
+
+       trap ust_event_generator_toggle_state SIGUSR1
+       trap generator_quit SIGUSR2
+
+       while [ $generator_quit -ne 0  ]; do
+               if [[ $ust_event_generator_suspended -eq "1" ]]; then
+                       touch "$state_file"
+                       # Reset the "run" state
+                       run=true
+                       sleep 0.5
+               elif [ "$run" = true ]; then
+                       taskset  -c 0 "$test_app" -i "$nr_iter" -w "$nr_usec_wait" "$@"> /dev/null 2>&1
+                       run=false;
+                       if [[ -f $state_file ]]; then
+                               rm -rf "$state_file" 2> /dev/null
+                       fi
+               else
+                       # Wait for a "suspend" to reset the run state
+                       sleep 0.1
+               fi
+       done
+}
+
+# Note: Only one generator can be used at a time per domain type
+function ust_event_generator
+{
+       # Used by the signal trap
+       ust_event_generator_suspended=0
+       # Used by the signal trap for SIGUSR2 to end the generator
+       generator_quit=1
+
+       local test_app=$1
+       local state_file=$2
+       local nr_iter=1000
+       local nr_usec_wait=5
+
+       # Pass any of the remaining arguments to the generator.
+       shift 2
+
+       trap ust_event_generator_toggle_state SIGUSR1
+       trap generator_quit SIGUSR2
+
+       while [ $generator_quit -ne 0 ]; do
+               if [[ $ust_event_generator_suspended -eq "1" ]]; then
+                       touch "$state_file"
+                       # Reset the "run" state
+                       sleep 0.5
+               else
+                       taskset  -c 0 "$test_app" -i $nr_iter -w $nr_usec_wait "$@" > /dev/null 2>&1
+                       if [[ -f $state_file ]]; then
+                               rm -rf "$state_file" 2> /dev/null
+                       fi
+               fi
+       done
+}
+
+function kernel_event_generator_toggle_state
+{
+       kernel_event_generator_suspended=$((kernel_event_generator_suspended==0))
+
+}
+
+function kernel_event_generator_run_once_per_transition
+{
+       # Used by the signal trap
+       kernel_event_generator_suspended=0
+       # Used by the signal trap for SIGUSR2 to end the generator
+       generator_quit=1
+
+       local generator=$1
+       local state_file=$2
+       local nr_iter=$3
+
+       # Pass any of the remaining arguments to the generator.
+       shift 3
+
+       local run=false
+       trap kernel_event_generator_toggle_state SIGUSR1
+       trap generator_quit SIGUSR2
+
+       while [ $generator_quit -ne 0 ]; do
+               if [[ $kernel_event_generator_suspended -eq "1" ]]; then
+                       touch "$state_file"
+                       run=true
+                       sleep 0.5
+               elif [ "$run" = true ]; then
+                       $generator "$nr_iter" "$@"
+                       run=false
+                       if [[ -f $state_file ]]; then
+                               rm "$state_file" 2> /dev/null
+                       fi
+               else
+                       # Wait for a "suspend" to reset the run state
+                       sleep 0.1
+               fi
+       done
+}
+
+function kernel_event_generator
+{
+       # Used by the signal trap
+       kernel_event_generator_suspended=0
+       # Used by the signal trap for SIGUSR2 to end the generator
+       generator_quit=1
+
+       local generator=$1
+       local state_file=$2
+
+       # Pass any of the remaining arguments to the generator.
+       shift 2
+
+       trap kernel_event_generator_toggle_state SIGUSR1
+       trap generator_quit SIGUSR2
+
+       while [ $generator_quit -ne 0 ]; do
+               if [[ $kernel_event_generator_suspended -eq "1" ]]; then
+                       touch "$state_file"
+                       sleep 0.5
+               else
+                       $generator "10" "$@"
+                       if [[ -f $state_file ]]; then
+                               rm "$state_file" 2> /dev/null
+                       fi
+               fi
+       done
+}