while IFS= read -r pid ; do
# /proc/pid/cmdline is null separated.
- if full_command_no_argument=$(cut -d '' -f 1 2>/dev/null < /proc/"$pid"/cmdline); then
+ if full_command_no_argument=$( (tr '\0' '\n' < /proc/"$pid"/cmdline) 2>/dev/null | head -n1); then
command_basename=$(basename "$full_command_no_argument")
if grep -q "$pattern" <<< "$command_basename"; then
echo "$pid"
# $2 = include special characters; 1 = yes, 0 = no; defaults to yes
function randstring()
{
+ local len="${1:-16}"
+
[ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
- cat /dev/urandom 2>/dev/null | tr -cd "$CHAR" 2>/dev/null | head -c ${1:-16} 2>/dev/null
+ # /dev/urandom isn't guaranteed to generate valid multi-byte characters.
+ # Specifying the C locale eliminates the "Illegal byte sequence" error
+ # that 'tr' outputs in such cases.
+ LC_CTYPE=C tr -cd "$CHAR" < /dev/urandom 2>/dev/null | head -c "$len" 2>/dev/null
echo
}
+# Return a space-separated string of online CPU IDs, based on
+# /sys/devices/system/cpu/online, or from 0 to nproc - 1 otherwise.
+function get_online_cpus()
+{
+ local cpus=()
+ local range_re
+ if [ -f /sys/devices/system/cpu/online ]; then
+ range_re='([0-9]+)-([0-9]+)'
+ while read -r range ; do
+ if [[ "${range}" =~ ${range_re} ]] ; then
+ mapfile -t -O "${#cpus[*]}" cpus <<< $(seq "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}")
+ else
+ cpus+=("${range}")
+ fi
+ done < <(tr ',' $'\n' < /sys/devices/system/cpu/online)
+ else
+ read -r -a cpus <<< $(seq 0 $(( $(conf_proc_count) - 1 )) )
+ fi
+ echo "${cpus[*]}"
+}
+
+# Helpers for get_possible_cpus.
+function get_possible_cpus_count_from_sysfs_possible_mask()
+{
+ local max_possible_cpu_id
+
+ # The Awk script extracts the highest CPU id from the possible CPU
+ # mask. Assuming a numerical order, a field separator '-' and a record
+ # separator ','. The last value parsed is the highest id.
+ if [ -f /sys/devices/system/cpu/possible ]; then
+ max_possible_cpu_id=$(awk -F '-' 'BEGIN { RS = ","} { last = $NF } END { printf("%d\n", last) }' \
+ /sys/devices/system/cpu/possible)
+ echo "$((max_possible_cpu_id+1))"
+ else
+ echo "0"
+ fi
+}
+
+# This is a fallback if the possible CPU mask is not available. This will not
+# take into account unplugged CPUs.
+function get_max_cpus_count_from_sysfs_cpu_directories()
+{
+ local max_possible_cpu_id=0
+ local current_cpu_id
+
+ for i in /sys/devices/system/cpu/cpu[0-9]*; do
+ current_cpu_id="${i#/sys/devices/system/cpu/cpu}"
+ if [ "$current_cpu_id" -gt "$max_possible_cpu_id" ]; then
+ max_possible_cpu_id="$current_cpu_id"
+ fi
+ done
+
+ echo "$((max_possible_cpu_id+1))"
+}
+
+# Return the number of possible CPUs.
+function get_possible_cpus_count()
+{
+ local possible_cpus_count
+ possible_cpus_count=$(get_possible_cpus_count_from_sysfs_possible_mask)
+
+ if [ "$possible_cpus_count" -eq "0" ]; then
+ local configured_cpus_count
+ configured_cpus_count=$(getconf _NPROCESSORS_CONF)
+ possible_cpus_count=$(get_max_cpus_count_from_sysfs_cpu_directories)
+ possible_cpus_count=$((configured_cpus_count > possible_cpus_count \
+ ? configured_cpus_count \
+ : possible_cpus_count))
+ fi
+
+ echo "$possible_cpus_count"
+}
+
+# Return the list of exposed CPU.
+#
+# NOTE! Use it like so:
+#
+# IFS=" " read -r -a VARIABLE <<< "$(get_exposed_cpus_list)"
+function get_exposed_cpus_list()
+{
+ local list=()
+
+ for i in /sys/devices/system/cpu/cpu[0-9]*; do
+ list+=("${i#/sys/devices/system/cpu/cpu}")
+ done
+
+ echo "${list[@]}"
+}
+
+# Return any available CPU found. Do not make assumption about the returned
+# value, e.g. that it could be 0.
+function get_any_available_cpu()
+{
+ for cpu in $(get_online_cpus); do
+ echo "${cpu}"
+ break;
+ done
+}
+
# Return the number of _configured_ CPUs.
function conf_proc_count()
{
echo
}
+# Usage:
+# check_skip_kernel_test [NB_TESTS] [SKIP_MESSAGE]
+# Return 0 if LTTNG_TOOLS_DISABLE_KERNEL_TESTS was set or the current user is not a root user
+# If NB_TESTS is set, call skip() to skip number of tests.
+# If NB_TESTS is empty, just output a reason with diag.
+# An optional message can be added.
+
+function check_skip_kernel_test ()
+{
+ local num_tests="$1"
+ local skip_message="$2"
+
+ # Check for skip test kernel flag
+ if [ "$LTTNG_TOOLS_DISABLE_KERNEL_TESTS" == "1" ]; then
+ if ! test -z "$num_tests"; then
+ skip 0 "LTTNG_TOOLS_DISABLE_KERNEL_TESTS was set.${skip_message+ }${skip_message}" "$num_tests"
+ else
+ diag "LTTNG_TOOLS_DISABLE_KERNEL_TESTS was set.${skip_message+ }${skip_message}"
+ fi
+ return 0
+ fi
+
+ # Check if we are running as root
+ if [ "$(id -u)" != "0" ]; then
+ if ! test -z "$num_tests"; then
+ skip 0 "Root access is needed for kernel testing.${skip_message+ }${skip_message}" "$num_tests"
+ else
+ diag "Root access is needed for kernel testing.${skip_message+ }${skip_message}"
+ fi
+ return 0
+ fi
+
+ return 1
+}
+
# Check if base lttng-modules are present.
# Bail out on failure
function validate_lttng_modules_present ()
if [ -z $(lttng_pgrep "$RELAYD_MATCH") ]; then
# shellcheck disable=SC2086
$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $process_mode $opt 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
- #$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
+ #$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $process_mode $opt -vvv >>/tmp/relayd.log 2>&1 &
if [ $? -eq 1 ]; then
if [ $withtap -eq "1" ]; then
fail "Start lttng-relayd (process mode: $process_mode opt: $opt)"
# Multiply time by 2 to simplify integer arithmetic
+ # Multiply time by 5 to adjust for sleeping every 0.1s
if [ -n "$timeout_s" ]; then
- dtimeleft_s=$((timeout_s * 2))
+ dtimeleft_s=$((timeout_s * 2 * 5))
fi
fi
dtimeleft_s=$((dtimeleft_s - 1))
fi
- sleep 0.5
+ sleep 0.1
done
if [ "$withtap" -eq "1" ]; then
if [ "$retval" -eq "0" ]; then
fi
# Multiply time by 2 to simplify integer arithmetic
+ # Multiply time by 5 to adjust for sleeping every 0.1s
if [ -n "$timeout_s" ]; then
- dtimeleft_s=$((timeout_s * 2))
+ dtimeleft_s=$((timeout_s * 2 * 5))
fi
if [ -n "$TEST_NO_SESSIOND" ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
fi
dtimeleft_s=$((dtimeleft_s - 1))
fi
- sleep 0.5
+ sleep 0.1
done
out=1
while [ -n "$out" ]; do
fi
dtimeleft_s=$((dtimeleft_s - 1))
fi
- sleep 0.5
+ sleep 0.1
done
if [ "$withtap" -eq "1" ]; then
fi
# Multiply time by 2 to simplify integer arithmetic
+ # Multiply time by 5 to adjust for sleeping every 0.1s
if [ -n "$timeout_s" ]; then
- dtimeleft_s=$((timeout_s * 2))
+ dtimeleft_s=$((timeout_s * 2 * 5))
fi
pids="$(lttng_pgrep "$CONSUMERD_MATCH")"
fi
dtimeleft_s=$((dtimeleft_s - 1))
fi
- sleep 0.5
+ sleep 0.1
done
if [ "$withtap" -eq "1" ]; then
if [ "$retval" -eq "0" ]; then
local sess_name="$1"
local event_name="$2"
local loglevel="$3"
+ local channel_name="$4"
+ local chan=()
+ if [ -n "${channel_name}" ] ; then
+ chan=('-c' "${channel_name}")
+ fi
_run_lttng_cmd "$OUTPUT_DEST" "$ERROR_OUTPUT_DEST" \
- enable-event "$event_name" -s $sess_name -u --loglevel $loglevel
+ enable-event "${chan[@]}" "$event_name" -s "${sess_name}" -u --loglevel="${loglevel}"
ok $? "Enable event $event_name with loglevel $loglevel"
}
local sess_name="$1"
local event_name="$2"
local loglevel="$3"
+ local channel_name="$4"
+ local chan=()
+ if [ -n "${channel_name}" ] ; then
+ chan=('-c' "${channel_name}")
+ fi
_run_lttng_cmd "$OUTPUT_DEST" "$ERROR_OUTPUT_DEST" \
- enable-event "$event_name" -s $sess_name -u --loglevel-only $loglevel
+ enable-event "${chan[@]}" "$event_name" -s "${sess_name}" -u --loglevel-only "${loglevel}"
ok $? "Enable event $event_name with loglevel-only $loglevel"
}
local withtap=$1
local expected_to_fail=$2
local sess_name=$3
+ shift 3
_run_lttng_cmd "$OUTPUT_DEST" "$ERROR_OUTPUT_DEST" \
- destroy $sess_name
+ destroy $sess_name $@
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
diag "Waiting for live trace at url: $url"
while [ $zero_client_match -eq 0 ]; do
zero_client_match=$($BABELTRACE_BIN -i lttng-live $url | grep "0 client(s) connected" | wc -l)
- sleep 0.5
+ sleep 0.1
done
pass "Waiting for live trace at url: $url"
}
diag "Waiting for live viewers on url: $url"
while [ $one_client_match -eq 0 ]; do
one_client_match=$($BABELTRACE_BIN -i lttng-live $url | grep "1 client(s) connected" | wc -l)
- sleep 0.5
+ sleep 0.1
done
pass "Waiting for live viewers on url: $url"
}
fi
}
-function validate_metadata_event ()
+# Check that the trace metadata contains '$expected' event ids matching '$event_name'.
+function validate_metadata_event()
{
local event_name=$1
- local nr_event_id=$2
+ local expected=$2
local trace_path=$3
- local metadata_file=$(find $trace_path -name "metadata")
- local metadata_path=$(dirname $metadata_file)
+ local metadata_file
+ local metadata_path
+ local count
+
+ metadata_file=$(find "$trace_path" -name "metadata")
+ metadata_path=$(dirname "$metadata_file")
bail_out_if_no_babeltrace
- local count=$($BABELTRACE_BIN --output-format=ctf-metadata $metadata_path | grep $event_name | wc -l)
-
- if [ "$count" -ne "$nr_event_id" ]; then
- fail "Metadata match with the metadata of $nr_event_id event(s) named $event_name"
- diag "$count matching event names found in metadata"
- else
- pass "Metadata match with the metadata of $nr_event_id event(s) named $event_name"
- fi
+ count=$($BABELTRACE_BIN --output-format=ctf-metadata "$metadata_path" | grep -c "$event_name")
+ test "$count" -eq "$expected"
+ ok $? "Found $count / $expected metadata event id matching '$event_name'"
}
-function trace_matches ()
+# Check that the trace contains '$expected' events matching '$event_name', other
+# events not matching '$event_name' can be present.
+function trace_matches()
{
local event_name=$1
- local nr_iter=$2
+ local expected=$2
local trace_path=$3
+ local count
+ local total
+
bail_out_if_no_babeltrace
- local count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c "$event_name")
+ total=$($BABELTRACE_BIN "$trace_path" | wc -l)
- if [ "$count" -ne "$nr_iter" ]; then
- fail "Trace match"
- diag "$count matching events found in trace"
- else
- pass "Trace match"
- fi
+ test "$count" -eq "$expected"
+
+ ok $? "Found $count / $expected events matching '$event_name' out of $total events"
}
+# Check that the trace contains '$expected' events matching '$event_name' and no
+# other events.
function trace_match_only()
{
local event_name=$1
- local nr_iter=$2
+ local expected=$2
local trace_path=$3
+ local count
+ local total
+
bail_out_if_no_babeltrace
- #which "$BABELTRACE_BIN" >/dev/null
- #skip $? -ne 0 "\"$BABELTRACE_BIN\" binary not found. Skipping trace comparison"
- local count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
- local total=$($BABELTRACE_BIN $trace_path | wc -l)
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c "$event_name")
+ total=$($BABELTRACE_BIN "$trace_path" | wc -l)
- if [ "$nr_iter" -eq "$count" ] && [ "$total" -eq "$nr_iter" ]; then
- pass "Trace match with $total event $event_name"
- else
- fail "Trace match"
- diag "$total event(s) found, expecting $nr_iter of event $event_name and only found $count"
- fi
+ test "$expected" -eq "$count" && test "$total" -eq "$expected"
+
+ ok $? "Found $count / $expected events matching '$event_name' amongst $total events"
}
-function validate_trace
+# Check that the trace contains at least 1 event matching each name in the
+# comma separated list '$event_names'.
+function validate_trace()
{
- local event_name=$1
+ local event_names=$1
local trace_path=$2
+ local count
+
bail_out_if_no_babeltrace
OLDIFS=$IFS
IFS=","
- for i in $event_name; do
- traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $i | wc -l)
- if [ "$traced" -ne 0 ]; then
- pass "Validate trace for event $i, $traced events"
- else
- fail "Validate trace for event $i"
- diag "Found $traced occurrences of $i"
- fi
+ for event_name in $event_names; do
+ # trace_path is unquoted since callers make use of globbing
+ count=$($BABELTRACE_BIN $trace_path | grep -c "$event_name")
+ test "$count" -gt 0
+ ok $? "Found $count events matching '$event_name'"
done
- ret=$?
IFS=$OLDIFS
- return $ret
}
-function validate_trace_count
+# Check that the trace contains at least 1 event matching each name in the
+# comma separated list '$event_names' and a total of '$expected' events.
+function validate_trace_count()
{
- local event_name=$1
+ local event_names=$1
local trace_path=$2
- local expected_count=$3
+ local expected=$3
+
+ local count
+ local total=0
bail_out_if_no_babeltrace
- cnt=0
OLDIFS=$IFS
IFS=","
- for i in $event_name; do
- traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $i | wc -l)
- if [ "$traced" -ne 0 ]; then
- pass "Validate trace for event $i, $traced events"
- else
- fail "Validate trace for event $i"
- diag "Found $traced occurrences of $i"
- fi
- cnt=$(($cnt + $traced))
+ for event_name in $event_names; do
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c "$event_name")
+ test "$count" -gt 0
+ ok $? "Found '$count' events matching '$event_name'"
+ total=$(( total + count ))
done
IFS=$OLDIFS
- test $cnt -eq $expected_count
- ok $? "Read a total of $cnt events, expected $expected_count"
+ test $total -eq "$expected"
+ ok $? "Found $total events, expected $expected events"
}
-function validate_trace_count_range_incl_min_excl_max
+# Check that the trace contains at least '$expected_min' event matching each
+# name in the comma separated list '$event_names' and a total at least
+# '$expected_min' and less than '$expected_max' events.
+function validate_trace_count_range_incl_min_excl_max()
{
- local event_name=$1
+ local event_names=$1
local trace_path=$2
local expected_min=$3
local expected_max=$4
+ local count
+ local total=0
+
bail_out_if_no_babeltrace
- cnt=0
OLDIFS=$IFS
IFS=","
- for i in $event_name; do
- traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $i | wc -l)
- if [ "$traced" -ge $expected_min ]; then
- pass "Validate trace for event $i, $traced events"
- else
- fail "Validate trace for event $i"
- diag "Found $traced occurrences of $i"
- fi
- cnt=$(($cnt + $traced))
+ for event_name in $event_names; do
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c "$event_name")
+ test "$count" -ge "$expected_min"
+ ok $? "Found $count events matching '$event_name', expected at least $expected_min"
+ total=$(( total + count ))
done
IFS=$OLDIFS
- test $cnt -lt $expected_max
- ok $? "Read a total of $cnt events, expected between [$expected_min, $expected_max["
+ test $total -ge "$expected_min" && test $total -lt "$expected_max"
+ ok $? "Found a total of $total events, expected at least $expected_min and less than $expected_max"
}
-function trace_first_line
+function trace_first_line()
{
local trace_path=$1
- $BABELTRACE_BIN $trace_path 2>/dev/null | head -n 1
+ $BABELTRACE_BIN "$trace_path" | head -n 1
}
+# Check that the trace contains at least 1 event matching the grep extended
+# regexp '$event_exp'.
function validate_trace_exp()
{
local event_exp=$1
local trace_path=$2
+ local count
+
bail_out_if_no_babeltrace
- traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep --extended-regexp ${event_exp} | wc -l)
- if [ "$traced" -ne 0 ]; then
- pass "Validate trace for expression '${event_exp}', $traced events"
- else
- fail "Validate trace for expression '${event_exp}'"
- diag "Found $traced occurrences of '${event_exp}'"
- fi
- ret=$?
- return $ret
+ # event_exp is unquoted since it contains multiple grep arguments
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c --extended-regexp $event_exp)
+ test "$count" -gt 0
+ ok $? "Found $count events matching expression '$event_exp'"
}
+# Check that the trace contains at least 1 event matching the grep extended
+# regexp '$event_exp' and zero event not matching it.
function validate_trace_only_exp()
{
local event_exp=$1
local trace_path=$2
+ local count
+ local total
+
bail_out_if_no_babeltrace
- local count=$($BABELTRACE_BIN $trace_path | grep --extended-regexp ${event_exp} | wc -l)
- local total=$($BABELTRACE_BIN $trace_path | wc -l)
+ # event_exp is unquoted since it contains multiple grep arguments
+ count=$($BABELTRACE_BIN "$trace_path" | grep -c --extended-regexp $event_exp)
+ total=$($BABELTRACE_BIN "$trace_path" | wc -l)
- if [ "$count" -ne 0 ] && [ "$total" -eq "$count" ]; then
- pass "Trace match with $total for expression '${event_exp}'"
- else
- fail "Trace match"
- diag "$total syscall event(s) found, only syscalls matching expression '${event_exp}' ($count occurrences) are expected"
- fi
- ret=$?
- return $ret
+ test "$count" -gt 0 && test "$total" -eq "$count"
+ ok $? "Found $count events matching expression '$event_exp' amongst $total events"
}
+# Check that the trace is valid and contains 0 event.
function validate_trace_empty()
{
local trace_path=$1
+ local ret
+ local count
+
bail_out_if_no_babeltrace
- events=$($BABELTRACE_BIN $trace_path 2>/dev/null)
+ events=$($BABELTRACE_BIN "$trace_path")
ret=$?
if [ $ret -ne 0 ]; then
fail "Failed to parse trace"
return $ret
fi
- traced=$(echo -n "$events" | wc -l)
- if [ "$traced" -eq 0 ]; then
- pass "Validate empty trace"
- else
- fail "Validate empty trace"
- diag "Found $traced events in trace"
- fi
- ret=$?
- return $ret
+ count=$(echo -n "$events" | wc -l)
+ test "$count" -eq 0
+ ok $? "Validate trace is empty, found $count events"
}
function validate_directory_empty ()
{
local trace_path="$1"
+ local files
+ local ret
+ local nb_files
+
# Do not double quote `$trace_path` below as we want wildcards to be
# expanded.
files="$(ls -A $trace_path)"
fi
nb_files="$(echo -n "$files" | wc -l)"
- ok $nb_files "Directory \"$trace_path\" is empty"
+ test "$nb_files" -eq 0
+ ok $? "Directory \"$trace_path\" is empty"
}
function validate_trace_session_ust_empty()
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on rotate session $sess_name"
+ ok $? "Expected to fail to set a periodic rotation of session $sess_name" "every " $size " bytes"
else
- ok $ret "Rotate session $sess_name"
+ ok $ret "Set a scheduled rotation of session $sess_name" "every " $size " bytes"
fi
}
function list_triggers_matches_ok ()
{
- local tmp_stdout=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- local tmp_stderr=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
+ local tmp_stdout=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ local tmp_stderr=$(mktemp -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
local test_name="$1"
local expected_stdout_file="$2"
local test_name="$1"
local expected_stdout_file="$2"
- tmp_stdout_raw=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- tmp_stdout=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- tmp_stderr=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
+ tmp_stdout_raw=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ tmp_stdout=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ tmp_stderr=$(mktemp -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
diag "$TESTDIR/../src/bin/lttng/$LTTNG_BIN --mi xml list-triggers"
projects / lttng-tools.git / blobdiff