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Default latency plot of shadow in rack #b, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8
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x86 Intel Core i5-1135G7 @2400 MHz, Linux 5.15.21-rt30 (Profile)

Latency plot of shadow in rack #b, slot #8

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackbslot8s (updated Sun Jan 29, 2023 12:44:16)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
714495	2	119	104,10	sleep3	0	-21	swapper/3	07:06:46	3
714619	2	115	100,9	sleep6	0	-21	swapper/6	07:08:33	6
714454	2	112	99,8	sleep1	0	-21	swapper/1	07:06:11	1
714519	2	109	96,8	sleep0	0	-21	swapper/0	07:07:06	0
714412	2	109	95,9	sleep4	0	-21	swapper/4	07:05:35	4
714431	2	107	93,9	sleep5	0	-21	swapper/5	07:05:51	5
712605	2	105	90,10	sleep7	0	-21	swapper/7	07:05:05	7
714653	2	101	91,6	sleep2	0	-21	swapper/2	07:09:01	2
714953	99	94	0,90	cyclictest	0	-21	swapper/0	11:11:58	0
714979	99	93	90,2	cyclictest	547	-21	snmpd	08:51:18	6
714962	99	93	0,0	cyclictest	0	-21	swapper/2	10:38:30	2
714953	99	93	0,90	cyclictest	0	-21	swapper/0	09:25:19	0
714979	99	92	90,2	cyclictest	547	-21	snmpd	11:53:59	6
714979	99	92	89,3	cyclictest	547	-21	snmpd	11:57:56	6
714974	99	92	0,92	cyclictest	0	-21	swapper/5	11:44:08	5
714962	99	92	90,2	cyclictest	547	-21	snmpd	07:32:41	2
714962	99	92	0,90	cyclictest	0	-21	swapper/2	08:08:04	2
714953	99	92	89,3	cyclictest	547	-21	snmpd	09:11:48	0
714979	99	91	90,1	cyclictest	547	-21	snmpd	09:42:23	6
714979	99	91	89,2	cyclictest	547	-21	snmpd	10:26:39	6
714979	99	91	89,2	cyclictest	547	-21	snmpd	09:03:06	6
714979	99	91	87,4	cyclictest	547	-21	snmpd	09:54:01	6
714979	99	91	0,90	cyclictest	0	-21	swapper/6	07:28:56	6
714974	99	91	90,0	cyclictest	547	-21	snmpd	07:39:48	5
714974	99	91	89,1	cyclictest	560	-21	lldpd	12:06:33	5
714974	99	91	0,90	cyclictest	0	-21	swapper/5	12:15:12	5
714970	99	91	90,1	cyclictest	547	-21	snmpd	11:15:41	4
714970	99	91	0,90	cyclictest	0	-21	swapper/4	10:47:36	4
714962	99	91	89,2	cyclictest	547	-21	snmpd	11:21:16	2
714962	99	91	89,2	cyclictest	547	-21	snmpd	09:27:51	2
714962	99	91	88,3	cyclictest	547	-21	snmpd	09:45:19	2
714962	99	91	88,3	cyclictest	547	-21	snmpd	08:04:58	2
714962	99	91	0,91	cyclictest	0	-21	swapper/2	10:50:01	2
714962	99	91	0,91	cyclictest	0	-21	swapper/2	07:53:34	2
714962	99	91	0,90	cyclictest	0	-21	swapper/2	12:20:15	2
714962	99	91	0,89	cyclictest	0	-21	swapper/2	09:09:04	2
714958	99	91	0,90	cyclictest	0	-21	swapper/1	12:10:21	1
714958	99	91	0,90	cyclictest	0	-21	swapper/1	11:55:35	1
714958	99	91	0,90	cyclictest	0	-21	swapper/1	11:02:43	1
714953	99	91	90,1	cyclictest	547	-21	snmpd	11:06:13	0
714953	99	91	89,2	cyclictest	547	-21	snmpd	10:46:46	0
714953	99	91	88,3	cyclictest	547	-21	snmpd	10:06:56	0
714979	99	90	90,0	cyclictest	547	-21	snmpd	08:22:19	6
714979	99	90	89,1	cyclictest	547	-21	snmpd	11:39:32	6
714979	99	90	89,1	cyclictest	547	-21	snmpd	10:45:12	6
714979	99	90	89,1	cyclictest	547	-21	snmpd	09:34:37	6
714979	99	90	89,1	cyclictest	547	-21	snmpd	08:09:01	6
714979	99	90	88,2	cyclictest	952893	-21	cat	11:45:19	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	12:30:09	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	12:07:24	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	11:30:20	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	11:05:19	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	10:59:24	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	10:11:26	6
714979	99	90	0,90	cyclictest	0	-21	swapper/6	09:16:46	6
714979	99	90	0,89	cyclictest	0	-21	swapper/6	11:21:29	6
714979	99	90	0,89	cyclictest	0	-21	swapper/6	09:35:28	6
714979	99	90	0,89	cyclictest	0	-21	swapper/6	07:24:26	6
714974	99	90	89,1	cyclictest	547	-21	snmpd	09:49:13	5
714974	99	90	89,1	cyclictest	547	-21	snmpd	08:06:16	5
714974	99	90	89,1	cyclictest	547	-21	snmpd	07:45:33	5
714974	99	90	0,90	cyclictest	0	-21	swapper/5	12:29:21	5
714974	99	90	0,90	cyclictest	0	-21	swapper/5	10:22:17	5
714974	99	90	0,90	cyclictest	0	-21	swapper/5	07:21:20	5
714974	99	90	0,89	cyclictest	0	-21	swapper/5	10:34:52	5
714970	99	90	89,1	cyclictest	547	-21	snmpd	11:42:50	4
714970	99	90	89,1	cyclictest	547	-21	snmpd	10:55:34	4
714970	99	90	89,1	cyclictest	547	-21	snmpd	10:13:41	4
714970	99	90	89,1	cyclictest	547	-21	snmpd	09:23:48	4
714970	99	90	89,1	cyclictest	547	-21	snmpd	08:48:30	4
714970	99	90	89,1	cyclictest	547	-21	snmpd	08:20:17	4
714970	99	90	89,0	cyclictest	547	-21	snmpd	07:10:35	4
714970	99	90	0,90	cyclictest	0	-21	swapper/4	11:50:20	4
714970	99	90	0,90	cyclictest	0	-21	swapper/4	11:13:04	4
714970	99	90	0,90	cyclictest	0	-21	swapper/4	11:06:04	4
714970	99	90	0,0	cyclictest	0	-21	swapper/4	11:39:59	4
714962	99	90	89,1	cyclictest	547	-21	snmpd	11:17:37	2
714962	99	90	89,1	cyclictest	547	-21	snmpd	08:41:45	2
714962	99	90	89,1	cyclictest	547	-21	snmpd	07:25:39	2
714962	99	90	88,2	cyclictest	547	-21	snmpd	12:36:16	2
714962	99	90	88,2	cyclictest	547	-21	snmpd	12:15:42	2
714962	99	90	0,90	cyclictest	0	-21	swapper/2	12:08:37	2
714962	99	90	0,90	cyclictest	0	-21	swapper/2	10:27:24	2
714962	99	90	0,90	cyclictest	0	-21	swapper/2	10:03:14	2
714962	99	90	0,0	cyclictest	0	-21	swapper/2	09:31:50	2
714958	99	90	90,0	cyclictest	547	-21	snmpd	10:00:14	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	11:50:05	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	10:09:47	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	09:28:00	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	09:22:21	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	08:03:13	1
714958	99	90	89,1	cyclictest	547	-21	snmpd	07:13:17	1
714958	99	90	88,1	cyclictest	0	-21	swapper/1	08:20:04	1
714958	99	90	0,90	cyclictest	0	-21	swapper/1	10:17:38	1
714958	99	90	0,90	cyclictest	0	-21	swapper/1	08:28:52	1
714958	99	90	0,89	cyclictest	0	-21	swapper/1	12:26:43	1
714958	99	90	0,89	cyclictest	0	-21	swapper/1	08:37:03	1
714958	99	90	0,89	cyclictest	0	-21	swapper/1	08:15:31	1
714958	99	90	0,89	cyclictest	0	-21	swapper/1	08:05:31	1
714958	99	90	0,89	cyclictest	0	-21	swapper/1	07:38:33	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2019-05-28 - 00:17