OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #7

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

Click here to display the system's profile data.

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, lowest P state: performance
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackfslot7s.osadl.org (updated Thu Jun 25, 2026 00:44:18)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
1392665	99	5680	22,5650	cyclictest	1426421	-21	kworker/0:0+events	21:14:59	0
1392673	99	4139	18,4116	cyclictest	1487113	-21	kworker/2:0+events	00:10:19	2
1392668	99	4023	19,3998	cyclictest	1443398	-21	kworker/1:0+events	21:55:14	1
1392673	99	3603	17,3582	cyclictest	1437502	-21	kworker/2:0+events	21:30:11	2
1392668	99	3602	18,3579	cyclictest	1458703	-21	kworker/1:1+events	22:40:11	1
1392668	99	3422	16,3403	cyclictest	1461773	-21	kworker/1:0+events	22:55:19	1
1392668	99	3422	16,3403	cyclictest	1461773	-21	kworker/1:0+events	22:55:19	1
1392673	99	3421	16,3401	cyclictest	1397753	-21	kworker/2:1+events	20:00:42	2
1392665	99	3335	17,3308	cyclictest	1430390	-21	kworker/0:1+events	21:07:42	0
1392665	99	3208	13,3190	cyclictest	1434069	-21	kworker/0:1+events	21:20:17	0
1392665	99	3128	15,3109	cyclictest	1426421	-21	kworker/0:0+events	21:50:16	0
1392681	99	3072	15,3052	cyclictest	1457004	-21	kworker/3:1+events	22:30:01	3
1392665	99	3058	14,3038	cyclictest	1410423	-21	kworker/0:1+events	20:10:15	0
1392668	99	3053	14,3035	cyclictest	1397686	-21	kworker/1:1+events	19:25:16	1
1392673	99	3011	3,3003	cyclictest	1424673	-21	kworker/2:0+events	20:50:15	2
1392665	99	3008	8,2996	cyclictest	1458762	-21	kworker/0:2+events	22:49:59	0
1392668	99	3005	14,2987	cyclictest	1418359	-21	kworker/1:1+events	20:43:47	1
1392665	99	2999	9,2986	cyclictest	1410423	-21	kworker/0:1+events	20:20:56	0
1392673	99	2984	14,2965	cyclictest	1449056	-21	kworker/2:1+events	22:11:37	2
1392668	99	2984	14,2966	cyclictest	1435727	-21	kworker/1:2+events	21:45:25	1
1392673	99	2982	14,2964	cyclictest	1408689	-21	kworker/2:0+events	19:58:47	2
1392673	99	2982	10,2968	cyclictest	1435639	-21	kworker/2:2+events	21:23:38	2
1392673	99	2981	14,2963	cyclictest	1437502	-21	kworker/2:0+events	21:38:11	2
1392668	99	2981	14,2963	cyclictest	1429297	-21	kworker/1:0+events	21:01:39	1
1392668	99	2981	13,2963	cyclictest	1476183	-21	kworker/1:2+events	23:39:16	1
1392673	99	2977	14,2959	cyclictest	1447405	-21	kworker/2:0+events	22:01:42	2
1392668	99	2976	14,2958	cyclictest	1418359	-21	kworker/1:1+events	20:48:44	1
1392665	99	2974	14,2956	cyclictest	1423224	-21	kworker/0:1+events	20:58:36	0
1392665	99	2970	14,2952	cyclictest	1426421	-21	kworker/0:0+events	21:32:52	0
1392665	99	2970	12,2954	cyclictest	1435785	-21	kworker/0:2+events	21:27:07	0
1392668	99	2962	0,2957	cyclictest	1450598	-21	kworker/1:0+events	22:11:14	1
1392665	99	2939	13,2922	cyclictest	1463904	-21	kworker/0:0+events	22:54:35	0
1392665	99	2937	14,2919	cyclictest	1426421	-21	kworker/0:0+events	22:13:57	0
1392673	99	2930	13,2912	cyclictest	1410378	-21	kworker/2:2+events	20:13:40	2
1392665	99	2927	13,2910	cyclictest	1399141	-21	kworker/0:0+events	19:35:14	0
1392668	99	2912	13,2895	cyclictest	1458940	-21	kworker/1:3+events	22:39:25	1
1392665	99	2908	14,2889	cyclictest	1490520	-21	kworker/0:0+events	00:18:45	0
1392665	99	2879	13,2860	cyclictest	1469708	-21	kworker/0:2+events	23:14:06	0
1392668	99	2878	7,2867	cyclictest	1447252	-21	kworker/1:1+events	22:05:52	1
1392668	99	2870	13,2853	cyclictest	1415070	-21	kworker/1:1+events	20:18:38	1
1392673	99	2859	13,2842	cyclictest	1397753	-21	kworker/2:1+events	19:44:20	2
1392673	99	2857	9,2844	cyclictest	1463548	-21	kworker/2:0+events	23:40:21	2
1392673	99	2857	14,2839	cyclictest	1427938	-21	kworker/2:2+events	21:08:07	2
1392668	99	2851	13,2834	cyclictest	1485489	-21	kworker/1:2+events	00:02:24	1
1392668	99	2851	13,2834	cyclictest	1437616	-21	kworker/1:1+events	21:32:30	1
1392665	99	2851	12,2835	cyclictest	1423224	-21	kworker/0:1+events	20:46:23	0
1392673	99	2846	13,2831	cyclictest	1426272	-21	kworker/2:1+events	20:55:09	2
1392668	99	2845	13,2828	cyclictest	1424823	-21	kworker/1:2+events	20:52:28	1
1392668	99	2845	11,2830	cyclictest	1412010	-21	kworker/1:0+events	20:24:42	1
1392668	99	2844	13,2827	cyclictest	1447252	-21	kworker/1:1+events	22:18:55	1
1392681	99	2843	14,2825	cyclictest	1407241	-21	kworker/3:0+events	20:05:39	3
1392668	99	2843	14,2826	cyclictest	1465028	-21	kworker/1:2+events	23:05:11	1
1392673	99	2842	13,2825	cyclictest	1477885	-21	kworker/2:1+events	23:38:53	2
1392668	99	2842	13,2825	cyclictest	1427670	-21	kworker/1:1+events	21:18:43	1
1392673	99	2840	13,2822	cyclictest	1450687	-21	kworker/2:2+events	22:37:30	2
1392673	99	2839	9,2826	cyclictest	1450687	-21	kworker/2:2+events	22:30:22	2
1392665	99	2834	9,2821	cyclictest	1419968	-21	kworker/0:2+events	20:38:47	0
1392665	99	2833	10,2819	cyclictest	1390642	-21	kworker/0:1+events	19:19:32	0
1392673	99	2830	13,2813	cyclictest	1471288	-21	kworker/2:2+events	23:12:56	2
1392673	99	2830	13,2813	cyclictest	1431175	-21	kworker/2:0+events	21:15:23	2
1392668	99	2829	13,2812	cyclictest	1405271	-21	kworker/1:2+events	19:49:39	1
1392668	99	2829	13,2812	cyclictest	1399334	-21	kworker/1:3+events	19:34:05	1
1392673	99	2828	13,2810	cyclictest	1439228	-21	kworker/2:2+events	21:58:19	2
1392673	99	2826	13,2809	cyclictest	1415283	-21	kworker/2:1+events	20:25:51	2
1392673	99	2825	13,2808	cyclictest	1487113	-21	kworker/2:0+events	00:08:28	2
1392673	99	2825	13,2808	cyclictest	1449056	-21	kworker/2:1+events	22:09:41	2
1392673	99	2825	13,2808	cyclictest	1421363	-21	kworker/2:0+events	20:40:42	2
1392673	99	2825	13,2808	cyclictest	1413674	-21	kworker/2:0+events	20:17:31	2
1392668	99	2825	11,2810	cyclictest	1435727	-21	kworker/1:2+events	21:25:36	1
1392668	99	2824	13,2807	cyclictest	1497051	-21	kworker/1:0+events	00:36:41	1
1392668	99	2824	13,2807	cyclictest	1455198	-21	kworker/1:0+events	22:31:54	1
1392668	99	2824	13,2807	cyclictest	1396035	-21	kworker/1:0+events	19:20:19	1
1392673	99	2823	13,2806	cyclictest	1463548	-21	kworker/2:0+events	22:49:39	2
1392665	99	2823	13,2805	cyclictest	1483886	-21	kworker/0:2+events	23:55:12	0
1392673	99	2822	13,2805	cyclictest	1427938	-21	kworker/2:2+events	21:02:46	2
1392673	99	2822	10,2808	cyclictest	1457064	-21	kworker/2:0+events	22:28:50	2
1392673	99	2820	13,2803	cyclictest	1437502	-21	kworker/2:0+events	21:27:29	2
1392673	99	2820	13,2803	cyclictest	1431175	-21	kworker/2:0+events	21:10:24	2
1392668	99	2820	11,2807	cyclictest	1427670	-21	kworker/1:1+events	21:05:03	1
1392668	99	2820	11,2804	cyclictest	1405271	-21	kworker/1:2+events	20:09:29	1
1392673	99	2819	11,2804	cyclictest	1460265	-21	kworker/2:0+events	22:40:56	2
1392668	99	2818	14,2802	cyclictest	1439316	-21	kworker/1:0+events	21:35:06	1
1392668	99	2818	13,2801	cyclictest	1402471	-21	kworker/1:0+events	19:55:19	1
1392673	99	2817	9,2804	cyclictest	1461919	-21	kworker/2:1+events	22:52:13	2
1392665	99	2817	13,2800	cyclictest	1416698	-21	kworker/0:0+events	20:27:23	0
1392673	99	2816	13,2799	cyclictest	1402501	-21	kworker/2:0+events	19:39:29	2
1392665	99	2816	13,2797	cyclictest	1426421	-21	kworker/0:0+events	21:16:28	0
1392673	99	2815	13,2799	cyclictest	1450687	-21	kworker/2:2+events	22:15:05	2
1392668	99	2815	13,2798	cyclictest	1488196	-21	kworker/1:0+events	00:19:30	1
1392668	99	2815	13,2798	cyclictest	1397686	-21	kworker/1:1+events	19:40:58	1
1392668	99	2815	12,2799	cyclictest	1435727	-21	kworker/1:2+events	21:23:15	1
1392673	99	2813	13,2796	cyclictest	1474581	-21	kworker/2:1+events	23:27:48	2
1392673	99	2813	13,2796	cyclictest	1423042	-21	kworker/2:2+events	20:47:33	2
1392665	99	2813	13,2795	cyclictest	1488918	-21	kworker/0:1+events	00:11:04	0
1392668	99	2812	13,2795	cyclictest	1472840	-21	kworker/1:0+events	23:26:39	1
1392665	99	2812	9,2799	cyclictest	1455289	-21	kworker/0:2+events	22:26:31	0
1392665	99	2812	9,2799	cyclictest	1426421	-21	kworker/0:0+events	21:36:13	0
1392665	99	2812	13,2795	cyclictest	1421597	-21	kworker/0:0+events	20:43:02	0
1392665	99	2811	13,2794	cyclictest	1469708	-21	kworker/0:2+events	23:07:30	0
1392665	99	2811	10,2797	cyclictest	1426421	-21	kworker/0:0+events	22:15:28	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


Access: public		Short link to this page
This page was last modified on 2024-07-29 - 23:00