tests: Reduce sleep in regression/tools/clear/test_ust

[lttng-tools.git] / tests / utils / utils.sh

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 4fa31952cb6719a20567ae86152c3350c8377303..5bab2f372eeccc64ccb774bfd4806fe0dbb37f11 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -214,6 +214,27 @@ function randstring()
        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()
 {
@@ -286,8 +307,8 @@ function get_exposed_cpus_list()
 # value, e.g. that it could be 0.
 function get_any_available_cpu()
 {
-       for cpu in /sys/devices/system/cpu/cpu[0-9]*; do
-               echo "${cpu#/sys/devices/system/cpu/cpu}"
+       for cpu in $(get_online_cpus); do
+               echo "${cpu}"
                break;
        done
 }
@@ -612,7 +633,7 @@ function start_lttng_relayd_opt()
        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)"
@@ -1974,7 +1995,7 @@ function wait_live_trace_ready ()
        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"
 }
@@ -1987,7 +2008,7 @@ function wait_live_viewer_connect ()
        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"
 }