MDEV-27919 mariabackup --log-copy-interval is measured in millisecondss in...

MDEV-27919 mariabackup --log-copy-interval is measured in millisecondss in 10.5 and in microseconds in 10.6

Multiply polling interval by 1000.

extra/mariabackup/backup_copy.cc

@@ -55,6 +55,7 @@ Street, Fifth Floor, Boston, MA 02110-1335 USA
 #include "xtrabackup.h"
 #include "common.h"
 #include "backup_copy.h"
+#include "backup_debug.h"
 #include "backup_mysql.h"
 #include <btr0btr.h>
 
@@ -1443,6 +1444,13 @@ bool backup_start(CorruptedPages &corrupted_pages)
 
 	msg("Waiting for log copy thread to read lsn %llu", (ulonglong)server_lsn_after_lock);
 	backup_wait_for_lsn(server_lsn_after_lock);
+	DBUG_EXECUTE_FOR_KEY("sleep_after_waiting_for_lsn", {},
+		{
+			ulong milliseconds = strtoul(dbug_val, NULL, 10);
+			msg("sleep_after_waiting_for_lsn");
+			my_sleep(milliseconds*1000UL);
+		});
+
 	backup_fix_ddl(corrupted_pages);
 
 	// There is no need to stop slave thread before coping non-Innodb data when

extra/mariabackup/xtrabackup.cc

@@ -3098,7 +3098,7 @@ static void log_copying_thread()
          (!metadata_to_lsn || metadata_to_lsn > log_copy_scanned_lsn))
   {
     timespec abstime;
-    set_timespec_nsec(abstime, 1000ULL * xtrabackup_log_copy_interval);
+    set_timespec_nsec(abstime, 1000000ULL * xtrabackup_log_copy_interval);
     mysql_cond_timedwait(&log_copying_stop, &log_sys.mutex, &abstime);
   }
   log_copying_running= false;

mysql-test/suite/mariabackup/log_copy_interval.result

+# xtrabackup backup
+NOT FOUND /sleep_after_waiting_for_lsn\n(\[\d+\] \d+-\d+-\d+ \d+:\d+:\d+ >> log scanned up to \(\d+\)\n){2}/ in backup.log

mysql-test/suite/mariabackup/log_copy_interval.test

+--source include/have_debug.inc
+
+echo # xtrabackup backup;
+let $targetdir=$MYSQLTEST_VARDIR/tmp/backup;
+--let $backup_log=$MYSQLTEST_VARDIR/tmp/backup.log
+
+--let sleep_after_waiting_for_lsn=250
+--disable_result_log
+exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --target-dir=$targetdir --log-copy-interval=500 --dbug=+d,mariabackup_inject_code > $backup_log 2>&1;
+--enable_result_log
+
+--let SEARCH_PATTERN=sleep_after_waiting_for_lsn\n(\[\d+\] \d+-\d+-\d+ \d+:\d+:\d+ >> log scanned up to \(\d+\)\n){2}
+--let SEARCH_FILE=$backup_log
+--source include/search_pattern_in_file.inc
+--remove_file $backup_log
+
+rmdir $targetdir;
+