OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #2

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
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

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 rack0slot2s.osadl.org (updated Wed Jan 22, 2025 12:45:03)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
998292	99	390	389,1	cyclictest	577	50	irq/143-i915	07:43:23	3
998310	99	384	384,0	cyclictest	1019375	-21	kworker/8:2+i915-unordered	07:43:23	8
998292	99	381	381,0	cyclictest	577	50	irq/143-i915	08:28:44	3
998292	99	380	380,0	cyclictest	577	50	irq/143-i915	08:45:55	3
998292	99	380	380,0	cyclictest	577	50	irq/143-i915	08:36:23	3
998292	99	380	380,0	cyclictest	577	50	irq/143-i915	07:34:23	3
998292	99	380	380,0	cyclictest	577	50	irq/143-i915	07:25:21	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	08:41:53	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	08:21:43	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	08:16:13	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	08:10:43	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	08:05:23	3
998292	99	379	379,0	cyclictest	577	50	irq/143-i915	07:48:56	3
998292	99	378	378,0	cyclictest	577	50	irq/143-i915	07:57:21	3
998292	99	377	377,0	cyclictest	577	50	irq/143-i915	08:04:22	3
998292	99	377	377,0	cyclictest	577	50	irq/143-i915	07:18:32	3
998292	99	373	373,0	cyclictest	577	50	irq/143-i915	07:54:45	3
998292	99	373	373,0	cyclictest	577	50	irq/143-i915	07:36:21	3
998292	99	373	373,0	cyclictest	577	50	irq/143-i915	07:22:21	3
998292	99	368	368,0	cyclictest	577	50	irq/143-i915	07:14:44	3
998292	99	361	361,0	cyclictest	577	50	irq/143-i915	08:32:43	3
998286	99	353	351,2	cyclictest	988485	-21	kworker/1:0+i915-unordered	07:19:45	1
998302	99	352	352,0	cyclictest	1023243	-21	kworker/6:0+i915-unordered	08:21:59	6
998286	99	352	351,1	cyclictest	1020203	-21	kworker/1:1+i915-unordered	08:29:00	1
998300	99	351	351,0	cyclictest	965545	-21	kworker/5:1+i915-unordered	08:03:59	5
998300	99	351	350,1	cyclictest	965545	-21	kworker/5:1+i915-unordered	07:29:56	5
998289	99	351	351,0	cyclictest	1041631	-21	kworker/2:1+i915-unordered	08:32:43	2
998313	99	350	350,0	cyclictest	1002634	-21	kworker/9:1+i915-unordered	07:22:32	9
998313	99	350	350,0	cyclictest	1002634	-21	kworker/9:1+events	07:16:43	9
998310	99	350	350,0	cyclictest	1038480	-21	kworker/8:2+i915-unordered	08:21:20	8
998300	99	350	350,0	cyclictest	965545	-21	kworker/5:1+i915-unordered	08:13:59	5
998286	99	350	350,0	cyclictest	1020203	-21	kworker/1:1+events	07:56:20	1
998286	99	350	350,0	cyclictest	1004703	-21	kworker/1:1+i915-unordered	07:21:21	1
998313	99	349	349,0	cyclictest	1023468	-21	kworker/9:1+events	07:53:45	9
998302	99	349	349,0	cyclictest	1023243	-21	kworker/6:0+i915-unordered	08:14:59	6
998296	99	349	349,0	cyclictest	3420389	-21	kworker/4:2+i915-unordered	08:00:59	4
998286	99	349	349,0	cyclictest	1053021	-21	kworker/1:2+i915-unordered	08:43:21	1
998313	99	347	346,1	cyclictest	782005	-21	kworker/9:0+i915-unordered	07:31:00	9
998286	99	347	347,0	cyclictest	1044427	-21	kworker/1:0+i915-unordered	08:30:43	1
998313	99	346	346,0	cyclictest	782005	-21	kworker/9:0+events	08:47:23	9
998313	99	346	346,0	cyclictest	782005	-21	kworker/9:0+events	08:07:21	9
998310	99	345	345,0	cyclictest	992117	-21	kworker/8:1+i915-unordered	08:25:38	8
998286	99	345	345,0	cyclictest	1033128	-21	kworker/1:2+i915-unordered	08:10:20	1
998286	99	345	345,0	cyclictest	1013428	-21	kworker/1:2+i915-unordered	07:35:44	1
998286	99	344	344,0	cyclictest	997912	-21	kworker/1:2+i915-unordered	07:14:24	1
998296	99	342	341,1	cyclictest	3420389	-21	kworker/4:2+i915-unordered	07:49:59	4
998286	99	341	341,0	cyclictest	1020203	-21	kworker/1:1+i915-unordered	07:46:21	1
998286	99	339	339,0	cyclictest	1056019	-21	kworker/1:1+i915-unordered	08:46:44	1
998302	99	338	338,0	cyclictest	1016398	-21	kworker/6:2+i915-unordered	07:41:45	6
998310	99	337	336,1	cyclictest	992117	-21	kworker/8:1+i915-unordered	08:19:44	8
998302	99	337	337,0	cyclictest	1010448	-21	kworker/6:0+i915-unordered	07:28:22	6
998289	99	337	337,0	cyclictest	1041631	-21	kworker/2:1+i915-unordered	08:37:59	2
998286	99	337	337,0	cyclictest	988485	-21	kworker/1:0+i915-unordered	07:25:21	1
998289	99	336	336,0	cyclictest	174	-21	hwrng	08:18:21	2
998286	99	336	336,0	cyclictest	988485	-21	kworker/1:0+i915-unordered	07:34:23	1
998310	99	335	335,0	cyclictest	1030870	-21	kworker/8:0+i915-unordered	08:05:23	8
998286	99	335	335,0	cyclictest	1020203	-21	kworker/1:1+i915-unordered	08:35:27	1
998313	99	334	334,0	cyclictest	1044295	-21	kworker/9:1+i915-unordered	08:28:21	9
998310	99	334	334,0	cyclictest	988987	-21	kworker/8:2+events	07:13:43	8
998302	99	329	329,0	cyclictest	1036818	-21	kworker/6:2+i915-unordered	08:26:21	6
998302	99	326	326,0	cyclictest	1023243	-21	kworker/6:0+i915-unordered	08:18:44	6
998302	99	325	325,0	cyclictest	1004296	-21	kworker/6:1+i915-unordered	07:38:58	6
998296	99	325	325,0	cyclictest	3420389	-21	kworker/4:2+i915-unordered	07:27:44	4
998306	99	323	322,1	cyclictest	968563	-21	kworker/7:1+events	08:17:22	7
998296	99	316	316,0	cyclictest	1051686	-21	kworker/4:0+i915-unordered	08:40:21	4
998296	99	316	316,0	cyclictest	1016137	-21	kworker/4:1+i915-unordered	07:36:21	4
998300	99	313	313,0	cyclictest	1010608	-21	kworker/5:2+i915-unordered	07:30:23	5
998296	99	310	310,0	cyclictest	3420389	-21	kworker/4:2+i915-unordered	07:50:43	4
998300	99	308	308,0	cyclictest	965545	-21	kworker/5:1+i915-unordered	07:37:44	5
998306	99	306	304,2	cyclictest	5677	-21	Xorg	07:28:00	7
998302	99	306	304,2	cyclictest	5677	-21	Xorg	07:23:00	6
998300	99	306	303,3	cyclictest	5677	-21	Xorg	08:46:00	5
998306	99	305	303,2	cyclictest	5677	-21	Xorg	08:03:00	7
998296	99	303	303,0	cyclictest	3420389	-21	kworker/4:2+i915-unordered	08:12:59	4
998300	99	302	300,2	cyclictest	5677	-21	Xorg	07:48:01	5
998306	99	301	299,2	cyclictest	5677	-21	Xorg	07:24:00	7
998281	99	297	295,2	cyclictest	5677	-21	Xorg	08:39:00	0
998310	99	296	294,2	cyclictest	5677	-21	Xorg	07:32:00	8
998313	99	293	292,1	cyclictest	782005	-21	kworker/9:0+i915-unordered	07:15:00	9
998281	99	293	291,2	cyclictest	5677	-21	Xorg	08:31:00	0
998313	99	287	285,2	cyclictest	5677	-21	Xorg	08:35:01	9
998306	99	287	284,3	cyclictest	5677	-21	Xorg	07:30:00	7
998306	99	284	282,2	cyclictest	5677	-21	Xorg	08:12:00	7
998313	99	276	273,3	cyclictest	5857	-21	gnome-shell	08:40:41	9
998306	99	276	275,0	cyclictest	0	-21	swapper/7	07:11:21	7
998306	99	275	273,2	cyclictest	5677	-21	Xorg	08:05:01	7
998296	99	273	273,0	cyclictest	3420389	-21	kworker/4:2+i915-unordered	08:39:59	4
998281	99	272	270,2	cyclictest	5677	-21	Xorg	08:40:00	0
998286	99	270	268,2	cyclictest	5857	-21	gnome-shell	08:09:59	1
998310	99	261	259,2	cyclictest	5677	-21	Xorg	07:26:00	8
998302	99	260	258,2	cyclictest	5677	-21	Xorg	07:17:00	6
998302	99	260	258,2	cyclictest	5677	-21	Xorg	07:10:00	6
998281	99	255	253,2	cyclictest	5677	-21	Xorg	07:38:00	0
997708	2	254	212,13	sleep9	0	-21	swapper/9	07:07:38	9
998306	99	251	247,4	cyclictest	5677	-21	Xorg	07:16:00	7
998310	99	250	248,2	cyclictest	5857	-21	gnome-shell	08:04:59	8
998296	99	249	247,2	cyclictest	5677	-21	Xorg	07:57:25	4
997591	2	247	240,5	sleep5	0	-21	swapper/5	07:06:45	5
998296	99	245	0,244	cyclictest	1122489	-21	kworker/u20:0+efi_rts_wq	12:35:14	4
998281	99	242	0,241	cyclictest	1081907	-21	kworker/u20:1+efi_rts_wq	11:47:07	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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