OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #4

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 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
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Click here to display the system's profile data or here to proceed to next system.

Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.
Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system

Characteristics of the 792 highest latencies:

System rackfslot4s.osadl.org (updated Tue Dec 10, 2024 12:44:34)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
12640	2	121	0,2	chrt	12638	-21	ntpq	12:02:49	0
11166	2	115	0,2	chrt	10976	-21	sendmail-msp	09:00:25	0
29496	2	114	0,3	chrt	29495	-21	/usr/sbin/munin	09:35:46	0
28900	2	112	0,3	chrt	28901	-21	sleep	12:31:43	0
22726	2	112	0,2	chrt	22725	-21	modprobe	12:21:42	0
9399	2	107	0,2	chrt	9400	-21	sleep	10:00:27	0
18111	2	103	0,3	chrt	18114	-21	sendmail_mailqu	12:12:16	0
21736	2	102	0,2	chrt	21737	-21	sleep	12:19:24	0
1769	2	102	0,2	chrt	1770	-21	sh	10:45:04	0
31851	2	101	0,3	chrt	31852	-21	sleep	08:37:01	0
24362	2	99	0,2	chrt	24363	-21	sleep	08:23:24	0
14492	2	96	0,2	sleep0	14493	-21	sendmail_mailtr	11:07:12	0
28570	2	94	0,2	sleep0	28568	-21	latency	07:25:45	0
6298	2	92	0,2	sleep0	6300	-21	irqrtprio	11:51:05	0
19960	90	77	16,19	cyclictest	4061	-21	ntp_states	11:46:50	0
19960	90	76	5,13	cyclictest	21667	-21	apt-get	09:22:25	0
19960	90	73	6,12	cyclictest	4313	-21	ps	08:46:24	0
19960	90	73	5,10	cyclictest	3270	-21	df	07:40:57	0
24820	2	70	0,2	sleep0	24822	-21	sh	12:25:12	0
19960	90	68	4,17	cyclictest	5852	-21	runrttasks	08:50:24	0
19960	90	67	19,15	cyclictest	0	-21	swapper	11:23:51	0
17506	2	64	0,1	sleep0	17509	-21	wc	10:15:05	0
9962	2	54	6,40	sleep0	9957	-21	ntpq	08:57:10	0
19960	90	52	19,25	cyclictest	0	-21	swapper	10:08:45	0
19960	90	50	20,23	cyclictest	0	-21	swapper	10:40:00	0
19960	90	50	19,22	cyclictest	0	-21	swapper	11:03:33	0
19960	90	49	19,23	cyclictest	0	-21	swapper	09:52:41	0
19960	90	47	21,18	cyclictest	20450	-21	ssh	09:17:05	0
19960	90	47	20,19	cyclictest	8391	-21	telnet	11:55:33	0
19960	90	47	17,23	cyclictest	0	-21	swapper	09:33:39	0
19960	90	47	17,22	cyclictest	0	-21	swapper	09:29:47	0
19960	90	46	18,21	cyclictest	0	-21	swapper	09:48:59	0
19960	90	46	18,20	cyclictest	25446	-21	snmpd	07:21:06	0
19960	90	46	18,18	cyclictest	25446	-21	snmpd	07:46:15	0
19960	90	46	17,22	cyclictest	0	-21	swapper	12:37:46	0
19960	90	46	13,15	cyclictest	32460	-21	ssh	09:41:41	0
17510	2	46	11,19	sleep0	17515	-21	apt-get	07:05:10	0
5257	2	45	0,1	sleep0	5258	-21	if_can0	10:51:04	0
19960	90	45	6,10	cyclictest	14318	-21	hddtemp_smartct	12:05:56	0
19960	90	45	5,13	cyclictest	32601	-21	apt-get	08:40:37	0
19960	90	45	18,9	cyclictest	30783	-21	ssh	11:36:19	0
19960	90	45	16,20	cyclictest	0	-21	swapper	09:10:10	0
19960	90	45	12,24	cyclictest	0	-21	swapper	11:15:09	0
18189	2	45	0,2	chrt	18187	-21	/usr/sbin/munin	10:15:57	0
19960	90	44	5,20	cyclictest	4021	-21	ssh	10:48:38	0
19960	90	44	5,18	cyclictest	28853	-21	ntp_states	08:31:18	0
19960	90	44	16,22	cyclictest	0	-21	swapper	08:26:07	0
19960	90	44	16,20	cyclictest	0	-21	swapper	10:34:10	0
19960	90	44	12,23	cyclictest	25446	-21	snmpd	08:15:08	0
19960	90	43	8,19	cyclictest	8385	-21	sort	07:50:40	0
19960	90	43	5,10	cyclictest	18459	-21	munin-run	11:15:03	0
19960	90	43	18,19	cyclictest	0	-21	swapper	10:57:56	0
19960	90	43	18,18	cyclictest	0	-21	swapper	11:43:36	0
19960	90	43	13,23	cyclictest	0	-21	swapper	11:32:28	0
19960	90	43	10,17	cyclictest	12106	-21	sh	08:00:48	0
19960	90	42	5,19	cyclictest	23759	-21	ssh	10:26:06	0
19960	90	42	5,19	cyclictest	13937	-21	df_inode	09:05:28	0
19960	90	42	5,11	cyclictest	20249	-21	sendmail-msp	10:21:20	0
19960	90	42	4,8	cyclictest	25416	-21	ntpq	11:26:44	0
19960	90	42	4,18	cyclictest	1514	-21	ntp_states	07:36:25	0
19960	90	42	16,8	cyclictest	20200	-21	aten2.4-expect	07:10:25	0
19960	90	41	5,8	cyclictest	17413	-21	diskstats	08:10:34	0
19960	90	41	13,10	cyclictest	23775	-21	ntpq	07:16:13	0
19960	90	40	4,18	cyclictest	31324	-21	ntpq	07:31:04	0
19960	90	40	19,15	cyclictest	0	-21	swapper	09:57:51	0
19960	90	40	13,17	cyclictest	11742	-21	date	08:00:06	0
19960	90	39	4,8	cyclictest	14171	-21	apt-get	08:05:14	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2024-02-27 - 12:39