diff --git a/br/tests/br_encryption/run.sh b/br/tests/br_encryption/run.sh
index 3934dd3b6103c..df2c6206f86f4 100755
--- a/br/tests/br_encryption/run.sh
+++ b/br/tests/br_encryption/run.sh
@@ -59,39 +59,6 @@ insert_additional_data() {
     done
 }
 
-wait_log_checkpoint_advance() {
-    echo "wait for log checkpoint to advance"
-    sleep 10
-    local current_ts=$(python3 -c "import time; print(int(time.time() * 1000) << 18)")
-    echo "current ts: $current_ts"
-    i=0
-    while true; do
-        # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-        log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name $TASK_NAME --json 2>br.log)
-        echo "log backup status: $log_backup_status"
-        local checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-        echo "checkpoint ts: $checkpoint_ts"
-
-        # check whether the checkpoint ts is a number
-        if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-            if [ $checkpoint_ts -gt $current_ts ]; then
-                echo "the checkpoint has advanced"
-                break
-            fi
-            echo "the checkpoint hasn't advanced"
-            i=$((i+1))
-            if [ "$i" -gt 50 ]; then
-                echo 'the checkpoint lag is too large'
-                exit 1
-            fi
-            sleep 10
-        else
-            echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-            exit 1
-        fi
-    done
-}
-
 calculate_checksum() {
     local db=$1
     local checksum=$(run_sql "USE $db; ADMIN CHECKSUM TABLE $TABLE;" | awk '/CHECKSUM/{print $2}')
@@ -170,7 +137,7 @@ run_backup_restore_test() {
         checksum_ori[${i}]=$(calculate_checksum "$DB${i}") || { echo "Failed to calculate checksum after insertion"; exit 1; }
     done
 
-    wait_log_checkpoint_advance || { echo "Failed to wait for log checkpoint"; exit 1; }
+    . "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME || { echo "Failed to wait for log checkpoint"; exit 1; }
 
     #sanity check pause still works
     run_br log pause --task-name $TASK_NAME --pd $PD_ADDR || { echo "Failed to pause log backup"; exit 1; }
@@ -270,7 +237,7 @@ test_backup_encrypted_restore_unencrypted() {
     # Insert additional test data
     insert_additional_data "insert_after_full_backup" || { echo "Failed to insert additional data"; exit 1; }
 
-    wait_log_checkpoint_advance || { echo "Failed to wait for log checkpoint"; exit 1; }
+    . "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME || { echo "Failed to wait for log checkpoint"; exit 1; }
 
 
     # Stop and clean the cluster
diff --git a/br/tests/br_pitr/run.sh b/br/tests/br_pitr/run.sh
index 0ecc8cfb9d458..4b863a389903a 100644
--- a/br/tests/br_pitr/run.sh
+++ b/br/tests/br_pitr/run.sh
@@ -21,6 +21,7 @@ CUR=$(cd `dirname $0`; pwd)
 # const value
 PREFIX="pitr_backup" # NOTICE: don't start with 'br' because `restart services` would remove file/directory br*.
 res_file="$TEST_DIR/sql_res.$TEST_NAME.txt"
+TASK_NAME="br_pitr"
 
 # start a new cluster
 echo "restart a services"
@@ -38,7 +39,7 @@ echo "prepare_delete_range_count: $prepare_delete_range_count"
 
 # start the log backup task
 echo "start log task"
-run_br --pd $PD_ADDR log start --task-name integration_test -s "local://$TEST_DIR/$PREFIX/log"
+run_br --pd $PD_ADDR log start --task-name $TASK_NAME -s "local://$TEST_DIR/$PREFIX/log"
 
 # run snapshot backup
 echo "run snapshot backup"
@@ -70,39 +71,8 @@ incremental_delete_range_count=$(run_sql "select count(*) DELETE_RANGE_CNT from
 echo "incremental_delete_range_count: $incremental_delete_range_count"
 
 # wait checkpoint advance
-echo "wait checkpoint advance"
-sleep 10
 current_ts=$(python3 -c "import time; print(int(time.time() * 1000) << 18)")
-echo "current ts: $current_ts"
-i=0
-while true; do
-    # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-    log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name integration_test --json 2>br.log)
-    echo "log backup status: $log_backup_status"
-    checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-    echo "checkpoint ts: $checkpoint_ts"
-
-    # check whether the checkpoint ts is a number
-    if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-        # check whether the checkpoint has advanced
-        if [ $checkpoint_ts -gt $current_ts ]; then
-            echo "the checkpoint has advanced"
-            break
-        fi
-        # the checkpoint hasn't advanced
-        echo "the checkpoint hasn't advanced"
-        i=$((i+1))
-        if [ "$i" -gt 50 ]; then
-            echo 'the checkpoint lag is too large'
-            exit 1
-        fi
-        sleep 10
-    else
-        # unknown status, maybe somewhere is wrong
-        echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-        exit 1
-    fi
-done
+. "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME
 
 # dump some info from upstream cluster
 # ...
diff --git a/br/tests/br_pitr_failpoint/run.sh b/br/tests/br_pitr_failpoint/run.sh
index 8a10e74ab81fe..1b5bf221d0be6 100644
--- a/br/tests/br_pitr_failpoint/run.sh
+++ b/br/tests/br_pitr_failpoint/run.sh
@@ -17,6 +17,7 @@
 set -eu
 . run_services
 CUR=$(cd `dirname $0`; pwd)
+TASK_NAME="br_pitr_failpoint"
 
 # const value
 PREFIX="pitr_backup_failpoint" # NOTICE: don't start with 'br' because `restart services` would remove file/directory br*.
@@ -42,7 +43,7 @@ sql_pid=$!
 
 # start the log backup task
 echo "start log task"
-run_br --pd $PD_ADDR log start --task-name integration_test -s "local://$TEST_DIR/$PREFIX/log"
+run_br --pd $PD_ADDR log start --task-name $TASK_NAME -s "local://$TEST_DIR/$PREFIX/log"
 
 # wait until the index creation is running
 retry_cnt=0
@@ -121,42 +122,9 @@ check_contains "Column_name: y"
 check_contains "Column_name: z"
 
 # wait checkpoint advance
-echo "wait checkpoint advance"
-sleep 10
-current_ts=$(echo $(($(date +%s%3N) << 18)))
-echo "current ts: $current_ts"
-i=0
-while true; do
-    # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-    log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name integration_test --json 2>/dev/null)
-    echo "log backup status: $log_backup_status"
-    checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-    echo "checkpoint ts: $checkpoint_ts"
-
-    # check whether the checkpoint ts is a number
-    if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-        # check whether the checkpoint has advanced
-        if [ $checkpoint_ts -gt $current_ts ]; then
-            echo "the checkpoint has advanced"
-            break
-        fi
-        # the checkpoint hasn't advanced
-        echo "the checkpoint hasn't advanced"
-        i=$((i+1))
-        if [ "$i" -gt 50 ]; then
-            echo 'the checkpoint lag is too large'
-            exit 1
-        fi
-        sleep 10
-    else
-        # unknown status, maybe somewhere is wrong
-        echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-        exit 1
-    fi
-done
+. "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME
 
 # start a new cluster
-echo "restart a services"
 restart_services
 
 # PITR restore - 1
diff --git a/br/tests/br_pitr_gc_safepoint/run.sh b/br/tests/br_pitr_gc_safepoint/run.sh
index 26b3b533c1d69..ef572a92fef67 100644
--- a/br/tests/br_pitr_gc_safepoint/run.sh
+++ b/br/tests/br_pitr_gc_safepoint/run.sh
@@ -21,6 +21,7 @@ CUR=$(cd `dirname $0`; pwd)
 # const value
 PREFIX="pitr_backup" # NOTICE: don't start with 'br' because `restart services` would remove file/directory br*.
 res_file="$TEST_DIR/sql_res.$TEST_NAME.txt"
+TASK_NAME="br_pitr_gc_safepoint"
 
 # start a new cluster
 echo "restart a services"
@@ -28,7 +29,7 @@ restart_services
 
 # start the log backup task
 echo "start log task"
-run_br --pd $PD_ADDR log start --task-name integration_test -s "local://$TEST_DIR/$PREFIX/log"
+run_br --pd $PD_ADDR log start --task-name $TASK_NAME -s "local://$TEST_DIR/$PREFIX/log"
 
 # prepare the data
 echo "prepare the data"
@@ -41,41 +42,9 @@ prepare_delete_range_count=$(run_sql "select count(*) DELETE_RANGE_CNT from (sel
 echo "prepare_delete_range_count: $prepare_delete_range_count"
 
 # wait checkpoint advance
-echo "wait checkpoint advance"
-sleep 10
-current_ts=$(echo $(($(date +%s%3N) << 18)))
-echo "current ts: $current_ts"
-i=0
-while true; do
-    # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-    log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name integration_test --json 2>br.log)
-    echo "log backup status: $log_backup_status"
-    checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-    echo "checkpoint ts: $checkpoint_ts"
+. "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance "$TASK_NAME"
 
-    # check whether the checkpoint ts is a number
-    if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-        # check whether the checkpoint has advanced
-        if [ $checkpoint_ts -gt $current_ts ]; then
-            echo "the checkpoint has advanced"
-            break
-        fi
-        # the checkpoint hasn't advanced
-        echo "the checkpoint hasn't advanced"
-        i=$((i+1))
-        if [ "$i" -gt 50 ]; then
-            echo 'the checkpoint lag is too large'
-            exit 1
-        fi
-        sleep 10
-    else
-        # unknown status, maybe somewhere is wrong
-        echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-        exit 1
-    fi
-done
-
-run_br --pd $PD_ADDR log pause --task-name integration_test
+run_br --pd $PD_ADDR log pause --task-name $TASK_NAME
 
 safe_point=$(run_pd_ctl -u https://$PD_ADDR service-gc-safepoint)
 
diff --git a/br/tests/br_restore_checkpoint/run.sh b/br/tests/br_restore_checkpoint/run.sh
index 2a4b1104916de..da45692cdcb62 100644
--- a/br/tests/br_restore_checkpoint/run.sh
+++ b/br/tests/br_restore_checkpoint/run.sh
@@ -22,9 +22,9 @@ CUR=$(cd `dirname $0`; pwd)
 PREFIX="checkpoint" # NOTICE: don't start with 'br' because `restart services` would remove file/directory br*.
 DB=$TEST_NAME
 res_file="$TEST_DIR/sql_res.$TEST_NAME.txt"
+TASK_NAME="br_restore_checkpoint"
 
 # start a new cluster
-echo "restart a services"
 restart_services
 
 # prepare snapshot data
@@ -37,7 +37,7 @@ run_sql "INSERT INTO $DB.tbl2 values (2, 'b');"
 
 # start the log backup task
 echo "start log task"
-run_br --pd $PD_ADDR log start --task-name integration_test -s "local://$TEST_DIR/$PREFIX/log"
+run_br --pd $PD_ADDR log start --task-name $TASK_NAME -s "local://$TEST_DIR/$PREFIX/log"
 
 # run snapshot backup
 echo "run snapshot backup"
@@ -53,41 +53,9 @@ run_sql "INSERT INTO $DB.tbl3 values (33, 'cc');"
 
 # wait checkpoint advance
 echo "wait checkpoint advance"
-sleep 10
-current_ts=$(echo $(($(date +%s%3N) << 18)))
-echo "current ts: $current_ts"
-i=0
-while true; do
-    # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-    log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name integration_test --json 2>br.log)
-    echo "log backup status: $log_backup_status"
-    checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-    echo "checkpoint ts: $checkpoint_ts"
-
-    # check whether the checkpoint ts is a number
-    if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-        # check whether the checkpoint has advanced
-        if [ $checkpoint_ts -gt $current_ts ]; then
-            echo "the checkpoint has advanced"
-            break
-        fi
-        # the checkpoint hasn't advanced
-        echo "the checkpoint hasn't advanced"
-        i=$((i+1))
-        if [ "$i" -gt 50 ]; then
-            echo 'the checkpoint lag is too large'
-            exit 1
-        fi
-        sleep 10
-    else
-        # unknown status, maybe somewhere is wrong
-        echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-        exit 1
-    fi
-done
+. "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME
 
 # start a new cluster
-echo "restart a services"
 restart_services
 
 # PITR but failed in the snapshot restore stage
diff --git a/br/tests/br_test_utils.sh b/br/tests/br_test_utils.sh
new file mode 100644
index 0000000000000..9102415a77e14
--- /dev/null
+++ b/br/tests/br_test_utils.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+#
+# Copyright 2024 PingCAP, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eux
+
+wait_log_checkpoint_advance() {
+    local task_name=${1:-$TASK_NAME}
+    echo "wait for log checkpoint to advance for task: $task_name"
+    sleep 10
+    local current_ts=$(python3 -c "import time; print(int(time.time() * 1000) << 18)")
+    echo "current ts: $current_ts"
+    i=0
+    while true; do
+        # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
+        log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak --pd $PD_ADDR log status --task-name $task_name --json 2>br.log)
+        echo "log backup status: $log_backup_status"
+        local checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
+        echo "checkpoint ts: $checkpoint_ts"
+
+        # check whether the checkpoint ts is a number
+        if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
+            if [ $checkpoint_ts -gt $current_ts ]; then
+                echo "the checkpoint has advanced"
+                break
+            fi
+            echo "the checkpoint hasn't advanced"
+            i=$((i+1))
+            if [ "$i" -gt 50 ]; then
+                echo 'the checkpoint lag is too large'
+                exit 1
+            fi
+            sleep 10
+        else
+            echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
+            exit 1
+        fi
+    done
+}
diff --git a/br/tests/br_tiflash_conflict/run.sh b/br/tests/br_tiflash_conflict/run.sh
index f224a1497bf00..5f7e1f7726ae4 100644
--- a/br/tests/br_tiflash_conflict/run.sh
+++ b/br/tests/br_tiflash_conflict/run.sh
@@ -22,6 +22,7 @@ CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 backup_dir=$TEST_DIR/keep/${TEST_NAME}
 pitr_dir=${backup_dir}_pitr
 br_log_file=$TEST_DIR/br.log
+TASK_NAME="br_tiflash_conflict"
 
 # start a new cluster
 echo "restart a services"
@@ -33,7 +34,7 @@ run_sql_file $CUR/prepare_data/prepare_data.sql
 
 #run pitr backup
 echo "run pitr backup"
-run_br log start --task-name integration_test -s "local://$pitr_dir"
+run_br log start --task-name $TASK_NAME -s "local://$pitr_dir"
 
 # run snapshot backup
 echo "run snapshot backup"
@@ -47,39 +48,7 @@ echo "load the incremental data"
 run_sql_file $CUR/prepare_data/insert_data.sql
 
 # wait checkpoint advance
-echo "wait checkpoint advance"
-sleep 10
-current_ts=$(echo $(($(date +%s%3N) << 18)))
-echo "current ts: $current_ts"
-i=0
-while true; do
-    # extract the checkpoint ts of the log backup task. If there is some error, the checkpoint ts should be empty
-    log_backup_status=$(unset BR_LOG_TO_TERM && run_br --skip-goleak log status --task-name integration_test --json 2>br.log)
-    echo "log backup status: $log_backup_status"
-    checkpoint_ts=$(echo "$log_backup_status" | head -n 1 | jq 'if .[0].last_errors | length  == 0 then .[0].checkpoint else empty end')
-    echo "checkpoint ts: $checkpoint_ts"
-
-    # check whether the checkpoint ts is a number
-    if [ $checkpoint_ts -gt 0 ] 2>/dev/null; then
-        # check whether the checkpoint has advanced
-        if [ $checkpoint_ts -gt $current_ts ]; then
-            echo "the checkpoint has advanced"
-            break
-        fi
-        # the checkpoint hasn't advanced
-        echo "the checkpoint hasn't advanced"
-        i=$((i+1))
-        if [ "$i" -gt 50 ]; then
-            echo 'the checkpoint lag is too large'
-            exit 1
-        fi
-        sleep 10
-    else
-        # unknown status, maybe somewhere is wrong
-        echo "TEST: [$TEST_NAME] failed to wait checkpoint advance!"
-        exit 1
-    fi
-done
+. "$CUR/../br_test_utils.sh" && wait_log_checkpoint_advance $TASK_NAME
 
 # start a new cluster
 echo "restart a services"