OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #6

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 i9-10900K @3700 MHz, Linux 6.1.0-rc7-rt5 (Profile)

Latency plot of shadow in rack #0, slot #6

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 rack0slot6s.osadl.org (updated Sun Jan 29, 2023 00:45:50)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
49967	20	78	0,77	pipewire-pulse	0	-21	swapper/19	19:06:16	11
49921	20	75	0,73	pipewire	0	-21	swapper/10	19:07:36	2
49921	20	73	0,71	pipewire	0	-21	swapper/1	19:05:33	1
49921	20	72	0,71	pipewire	0	-21	swapper/5	19:06:10	15
49921	20	70	0,69	pipewire	0	-21	swapper/7	19:06:42	17
49921	20	70	0,68	pipewire	0	-21	swapper/12	19:09:05	4
49921	20	66	0,64	pipewire	0	-21	swapper/0	19:07:46	0
49921	20	64	0,63	pipewire	0	-21	swapper/15	19:06:00	7
49921	20	64	0,62	pipewire	0	-21	swapper/17	19:06:42	9
49921	20	63	0,62	pipewire	0	-21	swapper/6	19:06:27	16
49921	20	61	0,60	pipewire	0	-21	swapper/8	19:07:08	18
49921	20	61	0,60	pipewire	0	-21	swapper/18	19:07:13	10
49921	20	60	0,59	pipewire	0	-21	swapper/14	19:09:27	6
49921	20	59	0,58	pipewire	0	-21	swapper/3	19:05:38	13
49921	20	58	0,56	pipewire	0	-21	swapper/11	19:08:26	3
49921	20	56	0,55	pipewire	0	-21	swapper/16	19:06:26	8
49921	20	55	0,54	pipewire	0	-21	swapper/2	19:09:00	12
3834969	2	53	0,0	sleep4	0	-21	swapper/4	00:02:37	14
3742595	2	52	0,0	sleep0	0	-21	swapper/0	22:12:04	0
49921	20	51	0,50	pipewire	0	-21	swapper/13	19:09:17	5
3586856	99	51	30,21	cyclictest	0	-21	swapper/4	20:39:30	14
3586856	99	51	30,21	cyclictest	0	-21	swapper/4	20:39:30	14
3675435	2	48	0,0	sleep19	0	-21	swapper/19	20:52:16	11
3586849	99	48	6,35	cyclictest	0	-21	swapper/2	22:02:30	12
3586856	99	47	32,0	cyclictest	0	-21	swapper/4	20:29:35	14
3586905	99	46	0,37	cyclictest	49909	-10	wireplumber	19:59:41	11
181706	98	46	0,45	rtkit-daemon	0	-21	swapper/9	19:06:58	19
3586905	99	45	0,44	cyclictest	49909	-10	wireplumber	22:56:20	11
3586905	99	45	0,1	cyclictest	49909	-10	wireplumber	00:05:50	11
3586871	99	45	0,44	cyclictest	0	-21	swapper/9	22:12:42	19
3586871	99	45	0,1	cyclictest	0	-21	swapper/9	21:29:37	19
3586869	99	45	0,44	cyclictest	0	-21	swapper/8	21:09:13	18
3586869	99	45	0,1	cyclictest	0	-21	swapper/8	21:03:35	18
49921	20	44	0,43	pipewire	0	-21	swapper/4	19:09:26	14
3586905	99	44	0,43	cyclictest	0	-21	swapper/19	20:06:05	11
3586905	99	44	0,37	cyclictest	0	-21	swapper/19	23:36:51	11
3586900	99	44	0,42	cyclictest	0	-21	swapper/18	21:17:32	10
3586891	99	44	44,0	cyclictest	0	-21	swapper/15	20:39:30	7
3586891	99	44	44,0	cyclictest	0	-21	swapper/15	20:39:30	7
3586871	99	44	0,43	cyclictest	49909	-10	wireplumber	23:33:14	19
3586871	99	44	0,37	cyclictest	49909	-10	wireplumber	23:13:06	19
3586871	99	44	0,37	cyclictest	49909	-10	wireplumber	21:43:13	19
3586869	99	44	0,1	cyclictest	0	-21	swapper/8	23:59:03	18
3586905	99	43	35,7	cyclictest	49909	-10	wireplumber	19:40:25	11
3586905	99	43	0,42	cyclictest	0	-21	swapper/19	23:57:32	11
3586905	99	43	0,42	cyclictest	0	-21	swapper/19	20:46:13	11
3586905	99	43	0,37	cyclictest	49909	-10	wireplumber	22:24:41	11
3586905	99	43	0,36	cyclictest	0	-21	swapper/19	21:10:21	11
3586905	99	43	0,33	cyclictest	0	-21	swapper/19	22:18:49	11
3586905	99	43	0,1	cyclictest	0	-21	swapper/19	21:29:19	11
3586900	99	43	0,42	cyclictest	0	-21	swapper/18	22:09:27	10
3586900	99	43	0,41	cyclictest	3864450	-40	tracker-miner-f	00:38:50	10
3586900	99	43	0,41	cyclictest	3864450	-40	tracker-miner-f	00:38:50	10
3586900	99	43	0,38	cyclictest	3825348	-21	ntpq	23:50:25	10
3586900	99	43	0,0	cyclictest	0	-21	swapper/18	20:46:50	10
3586888	99	43	32,1	cyclictest	49909	-10	wireplumber	00:15:47	6
3586885	99	43	43,0	cyclictest	0	-21	swapper/13	20:39:30	5
3586885	99	43	43,0	cyclictest	0	-21	swapper/13	20:39:30	5
3586871	99	43	0,42	cyclictest	0	-21	swapper/9	22:16:41	19
3586871	99	43	0,38	cyclictest	0	-21	swapper/9	19:24:35	19
3586871	99	43	0,33	cyclictest	0	-21	swapper/9	00:35:15	19
3586871	99	43	0,33	cyclictest	0	-21	swapper/9	00:35:15	19
3586869	99	43	35,5	cyclictest	0	-21	swapper/8	20:25:01	18
3586869	99	43	0,42	cyclictest	49909	-10	wireplumber	19:59:31	18
3586869	99	43	0,36	cyclictest	0	-21	swapper/8	21:13:24	18
3654448	2	42	0,0	sleep1	0	-21	swapper/1	20:26:36	1
3586905	99	42	0,41	cyclictest	49909	-10	wireplumber	23:00:07	11
3586905	99	42	0,40	cyclictest	0	-21	swapper/19	21:08:19	11
3586905	99	42	0,37	cyclictest	0	-21	swapper/19	00:12:17	11
3586905	99	42	0,1	cyclictest	49909	-10	wireplumber	19:16:27	11
3586905	99	42	0,1	cyclictest	0	-21	swapper/19	23:20:19	11
3586900	99	42	0,33	cyclictest	0	-21	swapper/18	22:10:08	10
3586895	99	42	0,41	cyclictest	0	-21	swapper/16	21:48:06	8
3586895	99	42	0,34	cyclictest	49909	-10	wireplumber	22:25:48	8
3586891	99	42	7,34	cyclictest	3763715	-40	tracker-miner-f	22:39:56	7
3586891	99	42	7,34	cyclictest	3763715	-40	tracker-miner-f	22:39:56	7
3586871	99	42	33,8	cyclictest	0	-21	swapper/9	00:31:01	19
3586871	99	42	0,36	cyclictest	49909	-10	wireplumber	20:21:45	19
3586869	99	42	0,36	cyclictest	0	-21	swapper/8	00:21:18	18
3586869	99	42	0,33	cyclictest	49909	-10	wireplumber	19:49:22	18
3586866	99	42	41,0	cyclictest	0	-21	swapper/7	20:17:07	17
3717336	2	41	0,0	sleep15	0	-21	swapper/15	21:41:17	7
3586905	99	41	31,9	cyclictest	0	-21	swapper/19	23:13:29	11
3586905	99	41	0,35	cyclictest	0	-21	swapper/19	21:38:57	11
3586905	99	41	0,33	cyclictest	0	-21	swapper/19	21:23:01	11
3586905	99	41	0,0	cyclictest	0	-21	swapper/19	23:15:57	11
3586905	99	41	0,0	cyclictest	0	-21	swapper/19	00:26:56	11
3586900	99	41	34,7	cyclictest	49909	-10	wireplumber	23:56:27	10
3586900	99	41	0,36	cyclictest	49909	-10	wireplumber	23:31:40	10
3586900	99	41	0,34	cyclictest	49909	-10	wireplumber	20:22:48	10
3586900	99	41	0,0	cyclictest	0	-21	swapper/18	20:09:06	10
3586895	99	41	0,33	cyclictest	49909	-10	wireplumber	20:42:55	8
3586895	99	41	0,33	cyclictest	49909	-10	wireplumber	20:42:54	8
3586871	99	41	33,6	cyclictest	0	-21	swapper/9	20:46:50	19
3586871	99	41	33,6	cyclictest	0	-21	swapper/9	00:29:23	19
3586871	99	41	32,9	cyclictest	49909	-10	wireplumber	23:37:21	19
3586871	99	41	0,40	cyclictest	0	-21	swapper/9	20:50:58	19
3586871	99	41	0,34	cyclictest	0	-21	swapper/9	19:49:35	19
3586871	99	41	0,0	cyclictest	0	-21	swapper/9	23:49:55	19
3586869	99	41	35,6	cyclictest	0	-21	swapper/8	23:20:05	18
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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