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Default latency plot of system in rack #0, slot #5

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.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot5.osadl.org (updated Mon Feb 23, 2026 00:43:46)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
1080515	99	585	294,290	cyclictest	0	-21	swapper/5	21:08:29	11
1080500	99	547	18,528	cyclictest	0	-21	swapper/1	20:02:29	1
1080515	99	537	536,1	cyclictest	1205886	-21	kworker/5:2+i915-unordered	21:50:29	11
1080519	99	527	6,520	cyclictest	0	-21	swapper/6	00:27:29	12
1080538	99	525	21,45	cyclictest	0	-21	swapper/11	21:38:29	3
1080504	99	522	492,30	cyclictest	0	-21	swapper/2	23:20:29	8
1080553	99	519	518,1	cyclictest	1334632	-21	kworker/14:0+i915-unordered	00:27:29	6
1080538	99	516	107,406	cyclictest	1113230	-21	kworker/11:0+i915-unordered	20:06:29	3
1080538	99	516	105,410	cyclictest	1290468	-21	kworker/11:0+i915-unordered	23:33:29	3
1080538	99	515	512,2	cyclictest	1338797	-21	kworker/11:1+i915-unordered	00:31:29	3
1080533	99	512	510,2	cyclictest	1258097	-21	kworker/10:0+i915-unordered	23:20:29	2
1080538	99	503	79,423	cyclictest	1153580	-21	kworker/11:0+i915-unordered	21:05:29	3
1080538	99	503	77,421	cyclictest	1225825	-21	kworker/11:0+i915-unordered	22:43:29	3
1080538	99	503	77,421	cyclictest	1225825	-21	kworker/11:0+i915-unordered	22:43:29	3
1080548	99	496	13,482	cyclictest	0	-21	swapper/13	22:27:29	5
1080538	99	495	10,29	cyclictest	0	-21	swapper/11	21:33:29	3
1080548	99	492	490,2	cyclictest	1189900	-21	kworker/13:2+i915-unordered	21:38:29	5
1080538	99	492	490,2	cyclictest	1169749	-21	kworker/11:2+i915-unordered	21:00:29	3
1080538	99	491	489,2	cyclictest	1294674	-21	kworker/11:1+i915-unordered	23:52:29	3
1080538	99	489	488,1	cyclictest	1133474	-21	kworker/11:2+i915-unordered	20:31:29	3
1080538	99	488	487,1	cyclictest	1084311	-21	kworker/11:1+i915-unordered	19:36:29	3
1080538	99	485	484,1	cyclictest	1229941	-21	kworker/11:2+i915-unordered	22:13:29	3
1080548	99	484	27,456	cyclictest	0	-21	swapper/13	21:33:29	5
1080538	99	484	483,1	cyclictest	1153580	-21	kworker/11:0+i915-unordered	20:58:29	3
1080538	99	481	479,2	cyclictest	1084311	-21	kworker/11:1+i915-unordered	19:41:29	3
1080546	99	478	478,0	cyclictest	1014658	-21	kworker/12:3+i915-unordered	19:17:29	4
1080538	99	477	476,1	cyclictest	1314752	-21	kworker/11:2+i915-unordered	00:00:29	3
1080496	99	477	476,1	cyclictest	1264857	-21	kworker/0:1+i915-unordered	23:11:29	0
1080496	99	476	22,58	cyclictest	0	-21	swapper/0	20:14:14	0
1080500	99	473	473,0	cyclictest	1165588	-21	kworker/1:2+i915-unordered	20:53:29	1
1080538	99	472	470,2	cyclictest	1133474	-21	kworker/11:2+i915-unordered	20:37:29	3
1080538	99	461	24,0	cyclictest	0	-21	swapper/11	20:47:29	3
1080530	99	460	459,1	cyclictest	1117319	-21	kworker/9:2+i915-unordered	20:02:29	15
1080500	99	460	0,459	cyclictest	0	-21	swapper/1	23:48:42	1
1080546	99	456	15,30	cyclictest	0	-21	swapper/12	23:53:29	4
1080512	99	456	0,439	cyclictest	0	-21	swapper/4	21:33:29	10
1080538	99	455	15,439	cyclictest	0	-21	swapper/11	21:45:29	3
1080496	99	450	25,30	cyclictest	0	-21	swapper/0	23:15:12	0
1080538	99	449	9,439	cyclictest	0	-21	swapper/11	23:20:29	3
1080538	99	449	8,440	cyclictest	0	-21	swapper/11	00:25:29	3
1080496	99	449	25,30	cyclictest	0	-21	swapper/0	20:26:13	0
1080538	99	448	447,1	cyclictest	0	-21	swapper/11	20:16:29	3
1080496	99	448	24,30	cyclictest	0	-21	swapper/0	20:46:15	0
1080496	99	448	23,30	cyclictest	0	-21	swapper/0	20:19:15	0
1080538	99	447	6,440	cyclictest	0	-21	swapper/11	19:57:29	3
1080496	99	446	20,30	cyclictest	0	-21	swapper/0	20:40:13	0
1080530	99	445	26,28	cyclictest	0	-21	swapper/9	23:40:29	15
1080515	99	444	25,418	cyclictest	0	-21	swapper/5	21:59:53	11
1080546	99	443	440,2	cyclictest	1177610	-21	kworker/u64:7+events_unbound	21:34:53	4
1080509	99	443	0,29	cyclictest	0	-21	swapper/3	22:41:29	9
1080509	99	443	0,29	cyclictest	0	-21	swapper/3	22:41:29	9
1080530	99	441	0,3	cyclictest	0	-21	swapper/9	20:35:43	15
1080530	99	440	21,28	cyclictest	0	-21	swapper/9	22:51:29	15
1080515	99	440	440,0	cyclictest	1215019	-21	kworker/5:0+i915-unordered	22:27:29	11
1080548	99	439	436,2	cyclictest	1133364	-21	kworker/u64:2+events_unbound	20:32:29	5
1080546	99	438	21,29	cyclictest	0	-21	swapper/12	00:01:29	4
1080519	99	438	434,3	cyclictest	1801	-21	snmpd	23:00:05	12
1080533	99	436	435,1	cyclictest	0	-21	swapper/10	00:19:51	2
1080504	99	436	434,1	cyclictest	1266026	-21	kworker/2:1+i915-unordered	22:55:16	8
1080496	99	436	0,435	cyclictest	0	-21	swapper/0	21:40:42	0
1080504	99	435	434,1	cyclictest	1225961	-21	kworker/2:2+i915-unordered	22:07:13	8
1080523	99	434	13,420	cyclictest	0	-21	swapper/7	20:54:52	13
1080546	99	433	14,30	cyclictest	0	-21	swapper/12	21:07:29	4
1080515	99	433	15,416	cyclictest	0	-21	swapper/5	22:49:52	11
1080496	99	433	11,421	cyclictest	16	-21	ksoftirqd/0	19:40:29	0
1080500	99	432	11,420	cyclictest	0	-21	swapper/1	21:19:51	1
1080538	99	431	431,0	cyclictest	0	-21	swapper/11	23:55:29	3
1080538	99	431	430,1	cyclictest	0	-21	swapper/11	23:42:29	3
1080509	99	431	17,414	cyclictest	0	-21	swapper/3	21:05:29	9
1080509	99	430	428,2	cyclictest	697	50	irq/159-i915	20:31:29	9
1080504	99	430	429,0	cyclictest	0	-21	swapper/2	20:18:29	8
1080553	99	429	427,1	cyclictest	0	-21	swapper/14	23:00:05	6
1080512	99	429	0,3	cyclictest	0	-21	swapper/4	23:37:53	10
1080515	99	428	425,2	cyclictest	1105217	-21	kworker/u64:4+events_unbound	20:28:29	11
1080512	99	428	428,0	cyclictest	0	-21	swapper/4	00:08:04	10
1080546	99	427	0,29	cyclictest	0	-21	swapper/12	00:24:24	4
1080509	99	427	426,1	cyclictest	697	50	irq/159-i915	23:33:29	9
1080509	99	427	426,1	cyclictest	697	50	irq/159-i915	20:06:29	9
1080515	99	426	7,418	cyclictest	0	-21	swapper/5	00:32:16	11
1080515	99	426	424,2	cyclictest	1193916	-21	kworker/5:2+i915-unordered	21:33:29	11
1080509	99	426	425,1	cyclictest	697	50	irq/159-i915	23:56:29	9
1080509	99	426	425,1	cyclictest	697	50	irq/159-i915	00:31:29	9
1080504	99	426	425,1	cyclictest	0	-21	swapper/2	00:37:41	8
1080500	99	426	0,425	cyclictest	0	-21	swapper/1	00:30:52	1
1080530	99	425	0,29	cyclictest	0	-21	swapper/9	19:19:25	15
1080509	99	425	424,0	cyclictest	697	50	irq/159-i915	22:27:29	9
1080509	99	425	26,398	cyclictest	0	-21	swapper/3	23:52:52	9
1080509	99	425	26,398	cyclictest	0	-21	swapper/3	00:00:52	9
1080509	99	425	25,399	cyclictest	0	-21	swapper/3	23:26:12	9
1080509	99	425	25,399	cyclictest	0	-21	swapper/3	20:01:52	9
1080509	99	425	25,399	cyclictest	0	-21	swapper/3	19:41:52	9
1080509	99	425	25,399	cyclictest	0	-21	swapper/3	19:13:51	9
1080509	99	425	24,400	cyclictest	0	-21	swapper/3	20:37:53	9
1080504	99	425	424,1	cyclictest	0	-21	swapper/2	20:54:13	8
1080500	99	425	7,417	cyclictest	0	-21	swapper/1	22:24:12	1
1080523	99	424	1,28	cyclictest	0	-21	swapper/7	23:29:53	13
1080515	99	424	6,417	cyclictest	0	-21	swapper/5	21:12:12	11
1080509	99	424	25,398	cyclictest	0	-21	swapper/3	22:15:53	9
1080509	99	424	25,398	cyclictest	0	-21	swapper/3	19:47:54	9
1080509	99	424	25,398	cyclictest	0	-21	swapper/3	19:47:54	9
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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