diff --git a/case-lib/hijack.sh b/case-lib/hijack.sh
index 25b3690a..8ebfcf54 100644
--- a/case-lib/hijack.sh
+++ b/case-lib/hijack.sh
@@ -50,17 +50,14 @@ function func_exit_handler()
         wcLog=$(wc -l "$logfile")
         dlogi "nlines=$wcLog"
     fi
-    # when case ends, store kernel log
-    # /var/log/kern.log format:
-    # f1    f2  f3   f4          f5      f6 f7    f8...
-    # Mouth day Time MachineName kernel: [  time] content
-    # May 15 21:28:38 MachineName kernel: [    6.469255] sof-audio-pci 0000:00:0e.0: ipc rx: 0x90020000: GLB_TRACE_MSG
-    # May 15 21:28:38 MachineName kernel: [    6.469268] sof-audio-pci 0000:00:0e.0: ipc rx done: 0x90020000: GLB_TRACE_MSG
-    if [[ -n "$DMESG_LOG_START_LINE" && "$DMESG_LOG_START_LINE" -ne 0 ]]; then
-        tail -n +"$DMESG_LOG_START_LINE" /var/log/kern.log |cut -f5- -d ' ' > "$LOG_ROOT/dmesg.txt"
+
+    if [[ "$KERNEL_CHECKPOINT" =~ ^[0-9]{10} ]]; then
+        journalctl_cmd --since=@"$KERNEL_CHECKPOINT" > "$LOG_ROOT/dmesg.txt"
     else
-        cut -f5- -d ' ' /var/log/kern.log > "$LOG_ROOT/dmesg.txt"
+        die "Kernel check point is not properly setup"
     fi
+    # After log collected, KERNEL_CHECKPOINT will not be used any more
+    unset KERNEL_CHECKPOINT
 
     # get ps command result as list
     local -a cmd_lst
diff --git a/case-lib/lib.sh b/case-lib/lib.sh
index 5a287fd5..2b86f2aa 100644
--- a/case-lib/lib.sh
+++ b/case-lib/lib.sh
@@ -40,10 +40,11 @@ if [ ! "$SOFCARD" ]; then
 		awk '/sof-[a-z]/ && $1 ~ /^[0-9]+$/ { $1=$1; print $1; exit 0;}')
 fi
 
-func_lib_setup_kernel_checkpoint()
+setup_kernel_check_point()
 {
-    # shellcheck disable=SC2034 # external script will use it
-    KERNEL_CHECKPOINT=$(date +%s)
+    # There is a 5s delay between two cases by sof-framework,
+    # make the check point 5s earlier to avoid log loss.
+    export KERNEL_CHECKPOINT=$(($(date +%s) - 5))
 }
 
 # This function adds a fake error to dmesg (which is always saved by
@@ -326,13 +327,6 @@ die()
     exit 1
 }
 
-# force ask buffer data write into file system
-sudo sync -f || true
-# catch kern.log last line as current case start line
-if [ ! "$DMESG_LOG_START_LINE" ]; then
-    DMESG_LOG_START_LINE=$(wc -l /var/log/kern.log|awk '{print $1;}')
-fi
-
 is_sof_used()
 {
     grep -q "sof" /proc/asound/cards;
@@ -342,5 +336,5 @@ is_sof_used()
 journalctl_cmd()
 {
    journalctl -k -q --no-pager --utc --output=short-monotonic \
-     --no-hostname  "$@"
+     --no-hostname --boot "$@"
 }
diff --git a/test-case/check-alsabat.sh b/test-case/check-alsabat.sh
index f4110ce5..5119aeda 100755
--- a/test-case/check-alsabat.sh
+++ b/test-case/check-alsabat.sh
@@ -43,6 +43,7 @@ OPT_NAME['s']='sof-logger'      OPT_DESC['s']="Open sof-logger trace the data wi
 OPT_HAS_ARG['s']=0             OPT_VAL['s']=1
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 
 pcm_p=${OPT_VAL['p']}
 pcm_c=${OPT_VAL['c']}
diff --git a/test-case/check-capture.sh b/test-case/check-capture.sh
index 093a2937..a448948f 100755
--- a/test-case/check-capture.sh
+++ b/test-case/check-capture.sh
@@ -59,7 +59,7 @@ file_prefix=${OPT_VAL['f']}
 
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 func_lib_check_sudo
 func_pipeline_export "$tplg" "type:capture & ${OPT_VAL['S']}"
 
diff --git a/test-case/check-fw-echo-reference.sh b/test-case/check-fw-echo-reference.sh
index c7801bb4..4a66748b 100755
--- a/test-case/check-fw-echo-reference.sh
+++ b/test-case/check-fw-echo-reference.sh
@@ -44,7 +44,7 @@ frequency=${OPT_VAL['f']}
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
 func_pipeline_export "$tplg" "echo:any"
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 if [ "$PIPELINE_COUNT" != "2" ]; then
     die "Only detect $PIPELINE_COUNT pipeline(s) from topology, but two are needed"
diff --git a/test-case/check-ipc-flood.sh b/test-case/check-ipc-flood.sh
index e3993a9c..f6f7a70f 100755
--- a/test-case/check-ipc-flood.sh
+++ b/test-case/check-ipc-flood.sh
@@ -25,6 +25,7 @@ OPT_NAME['l']='loop'     OPT_DESC['l']='loop count'
 OPT_HAS_ARG['l']=1         OPT_VAL['l']=1
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 
 lpc_loop_cnt=${OPT_VAL['c']}
 ipc_flood_dfs=${OPT_VAL['f']}
@@ -44,7 +45,7 @@ do
     # cleanup dmesg buffer for each iteration
     sudo dmesg -c > /dev/null
     # set up timestamp for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     dlogi "===== [$i/$loop_cnt] loop Begin ====="
     dlogc "sudo bash -c 'echo $lpc_loop_cnt > $ipc_flood_dfs'"
     sudo bash -c "'echo $lpc_loop_cnt > $ipc_flood_dfs'"
diff --git a/test-case/check-keyword-detection.sh b/test-case/check-keyword-detection.sh
index 9e4d85da..bec4c1da 100755
--- a/test-case/check-keyword-detection.sh
+++ b/test-case/check-keyword-detection.sh
@@ -55,7 +55,7 @@ duration=${OPT_VAL['d']}
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
 func_pipeline_export "$tplg" "kpbm:any"
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 if test "$PIPELINE_COUNT" != "1"; then
     die "detected $PIPELINE_COUNT wov pipeline(s) from topology, but 1 is needed"
diff --git a/test-case/check-kmod-load-unload-after-playback.sh b/test-case/check-kmod-load-unload-after-playback.sh
index 30ccd58e..5b2a8528 100755
--- a/test-case/check-kmod-load-unload-after-playback.sh
+++ b/test-case/check-kmod-load-unload-after-playback.sh
@@ -66,6 +66,8 @@ fi
 
 for counter in $(seq 1 $loop_cnt)
 do
+    # Only collect the latest success/failure logs
+    setup_kernel_check_point
     dlogi "===== Starting iteration $counter of $loop_cnt ====="
 
     # logic: if this case disables pulseaudio, the sub case does not need to disable pulseaudio
diff --git a/test-case/check-kmod-load-unload.sh b/test-case/check-kmod-load-unload.sh
index bea03401..aedaf317 100755
--- a/test-case/check-kmod-load-unload.sh
+++ b/test-case/check-kmod-load-unload.sh
@@ -33,7 +33,7 @@ OPT_NAME['p']='pulseaudio'   OPT_DESC['p']='disable pulseaudio on the test proce
 OPT_HAS_ARG['p']=0             OPT_VAL['p']=1
 
 func_opt_parse_option "$@"
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 loop_cnt=${OPT_VAL['l']}
 
@@ -48,7 +48,7 @@ for idx in $(seq 1 $loop_cnt)
 do
     dlogi "===== Starting iteration $idx of $loop_cnt ====="
     ## - 1: remove module section
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
 
     # After module removal, it takes about 10s for "aplay -l" to show
     # device list, within this 10s, it shows "no soundcard found". Here
@@ -78,7 +78,7 @@ do
     sof-kernel-log-check.sh "$KERNEL_CHECKPOINT" ||
         die "error found after kmod unload is real error, failing"
 
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     dlogi "run kmod/sof_insert.sh"
     sudo sof_insert.sh || {
         # FIXME: don't exit the status of dloge(). Use die()
diff --git a/test-case/check-pause-release-suspend-resume.sh b/test-case/check-pause-release-suspend-resume.sh
index 40135285..ab389f0d 100755
--- a/test-case/check-pause-release-suspend-resume.sh
+++ b/test-case/check-pause-release-suspend-resume.sh
@@ -110,7 +110,7 @@ esac
 
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 dlogi "Entering audio stream expect script with: $cmd -D $pcm -r $rate -c $channel -f $fmt -vv -i $dummy_file -q"
 dlogi "Will enter suspend-resume cycle during paused period of audio stream process"
diff --git a/test-case/check-pause-resume.sh b/test-case/check-pause-resume.sh
index da1265d7..788718e7 100755
--- a/test-case/check-pause-resume.sh
+++ b/test-case/check-pause-resume.sh
@@ -45,6 +45,7 @@ OPT_NAME['S']='filter_string'   OPT_DESC['S']="run this case on specified pipeli
 OPT_HAS_ARG['S']=1             OPT_VAL['S']="id:any"
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 
 tplg=${OPT_VAL['t']}
 test_mode=${OPT_VAL['m']}
@@ -81,7 +82,7 @@ func_pipeline_export "$tplg" "type:$test_mode & ${OPT_VAL['S']}"
 for idx in $(seq 0 $((PIPELINE_COUNT - 1)))
 do
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     channel=$(func_pipeline_parse_value "$idx" channel)
     rate=$(func_pipeline_parse_value "$idx" rate)
     fmt=$(func_pipeline_parse_value "$idx" fmt)
diff --git a/test-case/check-playback.sh b/test-case/check-playback.sh
index abf3c133..d29621ae 100755
--- a/test-case/check-playback.sh
+++ b/test-case/check-playback.sh
@@ -67,7 +67,7 @@ else
     dlogi "using $file as playback source"
 fi
 
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 func_lib_check_sudo
 func_pipeline_export "$tplg" "type:playback & ${OPT_VAL['S']}"
 
diff --git a/test-case/check-reboot.sh b/test-case/check-reboot.sh
index 7abaebc0..d6bd8b15 100755
--- a/test-case/check-reboot.sh
+++ b/test-case/check-reboot.sh
@@ -150,7 +150,8 @@ $old_content
 
 $boot_once_flag
 export LOG_ROOT='$(realpath $LOG_ROOT)'
-export DMESG_LOG_START_LINE=$(wc -l /var/log/kern.log|awk '{print $1;}')
+setup_kernel_check_point
+export KERNEL_CHECKPOINT
 bash -c '$full_cmd'
 
 exit 0
diff --git a/test-case/check-runtime-pm-double-active.sh b/test-case/check-runtime-pm-double-active.sh
index e21e0ab3..8dd79a7d 100755
--- a/test-case/check-runtime-pm-double-active.sh
+++ b/test-case/check-runtime-pm-double-active.sh
@@ -89,7 +89,7 @@ do
     for i in $(seq 1 $loop_count)
     do
         # set up checkpoint for each iteration
-        func_lib_setup_kernel_checkpoint
+        setup_kernel_check_point
         dlogi "===== Iteration $i of $loop_count for $pcm ====="
         # playback or capture device - check status
         dlogc "$cmd -D $dev -r $rate -c $channel -f $fmt $dummy_file -q"
diff --git a/test-case/check-runtime-pm-status.sh b/test-case/check-runtime-pm-status.sh
index 8d4a7697..6bfad273 100755
--- a/test-case/check-runtime-pm-status.sh
+++ b/test-case/check-runtime-pm-status.sh
@@ -83,7 +83,7 @@ do
     for i in $(seq 1 $loop_count)
     do
         # set up checkpoint for each iteration
-        func_lib_setup_kernel_checkpoint
+        setup_kernel_check_point
         dlogi "===== Iteration $i of $loop_count for $pcm ====="
         # playback or capture device - check status
         dlogc "$cmd -D $dev -r $rate -c $channel -f $fmt $dummy_file -q"
diff --git a/test-case/check-signal-stop-start.sh b/test-case/check-signal-stop-start.sh
index ec734505..bcfdcd53 100755
--- a/test-case/check-signal-stop-start.sh
+++ b/test-case/check-signal-stop-start.sh
@@ -56,7 +56,7 @@ case $test_mode in
     ;;
 esac
 
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 func_stop_start_pipeline()
 {
diff --git a/test-case/check-smart-amplifier.sh b/test-case/check-smart-amplifier.sh
index a3702a69..633b0306 100755
--- a/test-case/check-smart-amplifier.sh
+++ b/test-case/check-smart-amplifier.sh
@@ -59,7 +59,7 @@ tplg=${OPT_VAL['t']}
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
 func_pipeline_export "$tplg" "smart_amp:any"
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 
 [ "$PIPELINE_COUNT" == "2" ] || die "Only detect $PIPELINE_COUNT pipeline(s) from topology, but two are needed"
 
diff --git a/test-case/check-sof-logger.sh b/test-case/check-sof-logger.sh
index 5a9addfe..037e0bbd 100755
--- a/test-case/check-sof-logger.sh
+++ b/test-case/check-sof-logger.sh
@@ -22,8 +22,7 @@ func_opt_parse_option "$@"
 
 #TODO: need to add arguments for user to give location for logger and ldc file
 
-# hijack DMESG_LOG_START_LINE which refer dump kernel log in exit function
-DMESG_LOG_START_LINE=$(sof-get-kernel-line.sh|tail -n 1 |awk '{print $1;}')
+setup_kernel_check_point
 
 # check sof-logger location
 if [ -z $(which sof-logger) ]; then
diff --git a/test-case/check-suspend-resume-with-audio.sh b/test-case/check-suspend-resume-with-audio.sh
index 8228f844..4d3cdad7 100755
--- a/test-case/check-suspend-resume-with-audio.sh
+++ b/test-case/check-suspend-resume-with-audio.sh
@@ -55,6 +55,7 @@ OPT_NAME['P']='pipelines'   OPT_DESC['P']="run test case on specified pipelines"
 OPT_HAS_ARG['P']=1             OPT_VAL['P']="id:any"
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 func_lib_check_sudo
 
 tplg=${OPT_VAL['t']}
@@ -91,7 +92,7 @@ fi
 for idx in $(seq 0 $(expr $PIPELINE_COUNT - 1))
 do
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     # store local checkpoint as we have sub-test
     LOCAL_CHECK_POINT="$KERNEL_CHECKPOINT"
     channel=$(func_pipeline_parse_value $idx channel)
diff --git a/test-case/check-suspend-resume.sh b/test-case/check-suspend-resume.sh
index 1af2a73a..6718a4e6 100755
--- a/test-case/check-suspend-resume.sh
+++ b/test-case/check-suspend-resume.sh
@@ -74,7 +74,7 @@ for i in $(seq 1 $loop_count)
 do
     dlogi "===== Round($i/$loop_count) ====="
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     sleep_count=$(cat /sys/power/wakeup_count)
     dlogc "Run the command: rtcwake -m mem -s ${sleep_lst[$i]}"
     sudo rtcwake -m mem -s ${sleep_lst[$i]}
diff --git a/test-case/check-xrun-injection.sh b/test-case/check-xrun-injection.sh
index 1a641f17..57b066cf 100755
--- a/test-case/check-xrun-injection.sh
+++ b/test-case/check-xrun-injection.sh
@@ -43,7 +43,7 @@ interval=${OPT_VAL['i']}
 
 [[ ${OPT_VAL['s']} -eq 1 ]] && func_lib_start_log_collect
 
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 func_lib_check_sudo
 
 case $test_mode in
diff --git a/test-case/multiple-pause-resume.sh b/test-case/multiple-pause-resume.sh
index 809cad3d..58e85795 100755
--- a/test-case/multiple-pause-resume.sh
+++ b/test-case/multiple-pause-resume.sh
@@ -145,7 +145,7 @@ for i in $(seq 1 $loop_count)
 do
     dlogi "===== Loop count( $i / $loop_count ) ====="
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     for pipeline_combine_str in "${pipeline_combine_lst[@]}"
     do
         unset pid_lst
diff --git a/test-case/multiple-pipeline.sh b/test-case/multiple-pipeline.sh
index 445264eb..5721f30b 100755
--- a/test-case/multiple-pipeline.sh
+++ b/test-case/multiple-pipeline.sh
@@ -144,7 +144,7 @@ ps_checks()
 for i in $(seq 1 $loop_cnt)
 do
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     dlogi "===== Testing: (Loop: $i/$loop_cnt) ====="
 
     # start playback or capture:
diff --git a/test-case/simultaneous-playback-capture.sh b/test-case/simultaneous-playback-capture.sh
index 65801ba2..e2c242a4 100755
--- a/test-case/simultaneous-playback-capture.sh
+++ b/test-case/simultaneous-playback-capture.sh
@@ -33,6 +33,8 @@ OPT_NAME['l']='loop'     OPT_DESC['l']='loop count'
 OPT_HAS_ARG['l']=1         OPT_VAL['l']=1
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
+
 tplg=${OPT_VAL['t']}
 wait_time=${OPT_VAL['w']}
 loop_cnt=${OPT_VAL['l']}
@@ -69,7 +71,7 @@ func_error_exit()
 for i in $(seq 1 $loop_cnt)
 do
     # set up checkpoint for each iteration
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     dlogi "===== Testing: (Loop: $i/$loop_cnt) ====="
     # following sof-tplgreader, split 'both' pipelines into separate playback & capture pipelines, with playback occurring first
     for order in $(seq 0 2 $(expr $PIPELINE_COUNT - 1))
diff --git a/test-case/test-speaker.sh b/test-case/test-speaker.sh
index 29ca21b9..19e52417 100755
--- a/test-case/test-speaker.sh
+++ b/test-case/test-speaker.sh
@@ -32,7 +32,7 @@ tplg=${OPT_VAL['t']}
 
 func_pipeline_export "$tplg" "type:playback"
 tcnt=${OPT_VAL['l']}
-func_lib_setup_kernel_checkpoint
+setup_kernel_check_point
 for idx in $(seq 0 $(expr $PIPELINE_COUNT - 1))
 do
     channel=$(func_pipeline_parse_value $idx channel)
diff --git a/test-case/verify-firmware-presence.sh b/test-case/verify-firmware-presence.sh
index 1af11ecf..efae6288 100755
--- a/test-case/verify-firmware-presence.sh
+++ b/test-case/verify-firmware-presence.sh
@@ -20,6 +20,7 @@ set -e
 source "$(dirname "${BASH_SOURCE[0]}")"/../case-lib/lib.sh
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 
 path=$(sof-dump-status.py -P)
 platform=$(sof-dump-status.py -p)
diff --git a/test-case/verify-kernel-module-load-probe.sh b/test-case/verify-kernel-module-load-probe.sh
index 962cb684..b836bf60 100755
--- a/test-case/verify-kernel-module-load-probe.sh
+++ b/test-case/verify-kernel-module-load-probe.sh
@@ -17,8 +17,7 @@ source $(dirname ${BASH_SOURCE[0]})/../case-lib/lib.sh
 
 func_opt_parse_option "$@"
 
-# hijack DMESG_LOG_START_LINE which refer dump kernel log in exit function
-DMESG_LOG_START_LINE=$(sof-get-kernel-line.sh|tail -n 1 |awk '{print $1;}')
+setup_kernel_check_point
 
 dlogi "Checking if sof relative modules loaded"
 dlogc "lsmod | grep \"sof\""
diff --git a/test-case/verify-pcm-list.sh b/test-case/verify-pcm-list.sh
index 2aca63cf..739ba03d 100755
--- a/test-case/verify-pcm-list.sh
+++ b/test-case/verify-pcm-list.sh
@@ -29,8 +29,7 @@ tplg=${OPT_VAL['t']}
 tplg_path=`func_lib_get_tplg_path "$tplg"`
 [[ "$?" != "0" ]] && die "No available topology for this test case"
 
-# hijack DMESG_LOG_START_LINE which refer dump kernel log in exit function
-DMESG_LOG_START_LINE=$(sof-get-kernel-line.sh|tail -n 1 |awk '{print $1;}')
+setup_kernel_check_point
 
 tplg_str="$(sof-tplgreader.py $tplg_path -d id pcm type -o)"
 pcm_str="$(sof-dump-status.py -i ${SOFCARD:-0})"
diff --git a/test-case/verify-sof-firmware-load.sh b/test-case/verify-sof-firmware-load.sh
index 63dc6aa4..6a509c91 100755
--- a/test-case/verify-sof-firmware-load.sh
+++ b/test-case/verify-sof-firmware-load.sh
@@ -20,9 +20,7 @@ source "$(dirname "${BASH_SOURCE[0]}")"/../case-lib/lib.sh
 
 func_opt_parse_option "$@"
 
-# hijack DMESG_LOG_START_LINE to dump kernel from file start is not Sub-Test
-# TODO: clean up Sub-Test feature
-alias | grep -q 'Sub-Test' || DMESG_LOG_START_LINE=$(sof-get-kernel-line.sh | tail -n 1 | awk '{print $1;}' )
+alias | grep -q 'Sub-Test' || setup_kernel_check_point
 
 cmd="journalctl_cmd"
 
diff --git a/test-case/verify-tplg-binary.sh b/test-case/verify-tplg-binary.sh
index 0f7905ea..1ed4c2cf 100755
--- a/test-case/verify-tplg-binary.sh
+++ b/test-case/verify-tplg-binary.sh
@@ -23,6 +23,7 @@ OPT_NAME['t']='tplg'     OPT_DESC['t']='tplg file, default value is env TPLG: $'
 OPT_HAS_ARG['t']=1         OPT_VAL['t']="$TPLG"
 
 func_opt_parse_option "$@"
+setup_kernel_check_point
 tplg=${OPT_VAL['t']}
 
 tplg_path=`func_lib_get_tplg_path "$tplg"`
diff --git a/test-case/volume-basic-test.sh b/test-case/volume-basic-test.sh
index 166695b0..dd2bce3b 100755
--- a/test-case/volume-basic-test.sh
+++ b/test-case/volume-basic-test.sh
@@ -62,7 +62,7 @@ dlogi "pgalist number = ${#pgalist[@]}"
 
 for i in $(seq 1 $maxloop)
 do
-    func_lib_setup_kernel_checkpoint
+    setup_kernel_check_point
     dlogi "===== Round($i/$maxloop) ====="
     # TODO: need to check command effect
     for i in "${pgalist[@]}"