qemu.tests: add cfg for check clock offset when guest bsod/crash

Signed-off-by: NXu Tian <xutian@redhat.com>

qemu/tests/cfg/timedrift_check_clock_offset.cfg

@@ -14,3 +14,23 @@
             build_cmd = "gcc -lrt ${tmp_dir}/clktest.c -o clktest"
             test_cmd = "./clktest"
             check_timeout = 300
+        - when_crash:
+            type = timedrift_check_when_crash
+            start_vm = no
+            ntp_server = "clock.redhat.com"
+            sleep_time = 1800
+            variants:
+                - bsod:
+                    only Windows
+                    nmi_cmd = "monitor:inject-nmi"
+                    ntp_cmd = "sc start w32time && ping -n 6 -w 1000 127.0.0.1>nul && w32tm /config /manualpeerlist:${ntp_server} /syncfromflags:manual /update"
+                    ntp_query_cmd = "w32tm /stripchart /computer:${ntp_server} /samples:1 /dataonly"
+                - hang:
+                    kill_vm = yes
+                    # Notes:
+                    # please stop kernel crash recovery service like 'kdump' before trigger kernek panic,
+                    # else guest will reboot immedicately that is unexpected in this test;
+                    only Linux
+                    nmi_cmd = "guest: echo '1' > /proc/sys/kernel/sysrq && echo '0' > /proc/sys/kernel/panic && service kdump stop; echo 'c' > /proc/sysrq-trigger"
+                    ntp_cmd = "ntpdate ${ntp_server}"
+                    ntp_query_cmd = "ntpdate -q ${ntp_server}"