OSADL QA Farm on Real-time of Mainline Linux

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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 04, 2026 00:44:17)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
4002730	99	2986	13,2968	cyclictest	4047725	-21	kworker/0:2+events	22:10:13	0
4002738	99	2853	14,2835	cyclictest	4088362	-21	kworker/2:1+events	00:25:21	2
4002740	99	2820	14,2802	cyclictest	4023087	-21	kworker/3:2+events	20:55:00	3
4002730	99	2818	14,2799	cyclictest	4084574	-21	kworker/0:0+events	00:05:17	0
4002740	99	2814	13,2796	cyclictest	4094696	-21	kworker/3:2+events	00:35:13	3
4002730	99	2800	12,2784	cyclictest	4038394	-21	kworker/0:2+events	21:45:10	0
4002733	99	2788	12,2772	cyclictest	4011773	-21	kworker/1:2+events	19:50:58	1
4002730	99	2760	13,2743	cyclictest	4065478	-21	kworker/0:1+events	23:05:23	0
4002733	99	2700	13,2683	cyclictest	4036676	-21	kworker/1:2+events	21:34:35	1
4002733	99	2695	13,2678	cyclictest	4088272	-21	kworker/1:1+events	00:14:46	1
4002740	99	2684	13,2668	cyclictest	4075117	-21	kworker/3:1+events	23:45:00	3
4002733	99	2681	11,2666	cyclictest	4029670	-21	kworker/1:2+events	21:10:15	1
4002738	99	2666	12,2650	cyclictest	4060888	-21	kworker/2:2+events	22:52:05	2
4002733	99	2642	13,2625	cyclictest	4062163	-21	kworker/1:0+events	22:55:12	1
4002738	99	2634	13,2617	cyclictest	4070151	-21	kworker/2:1+events	23:21:34	2
4002730	99	2590	12,2574	cyclictest	4063798	-21	kworker/0:0+events	22:58:59	0
4002733	99	2578	12,2563	cyclictest	4057804	-21	kworker/1:2+events	22:45:14	1
4002738	99	2576	12,2560	cyclictest	4074999	-21	kworker/2:2+events	23:42:45	2
4002733	99	2574	9,2561	cyclictest	4086374	-21	kworker/1:0+events	00:23:28	1
4002738	99	2572	12,2556	cyclictest	4044623	-21	kworker/2:0+events	21:58:57	2
4002738	99	2571	11,2556	cyclictest	4057451	-21	kworker/2:2+events	22:37:16	2
4002738	99	2569	9,2556	cyclictest	4013790	-21	kworker/2:0+events	20:24:10	2
4002730	99	2567	12,2551	cyclictest	4030008	-21	kworker/0:2+events	21:28:08	0
4002740	99	2565	12,2551	cyclictest	4046188	-21	kworker/3:2+events	22:05:18	3
4002733	99	2560	12,2544	cyclictest	4088272	-21	kworker/1:1+events	00:18:56	1
4002738	99	2558	12,2542	cyclictest	4039896	-21	kworker/2:0+events	21:43:37	2
4002733	99	2556	12,2540	cyclictest	4032109	-21	kworker/1:0+events	21:49:47	1
4002740	99	2555	7,2544	cyclictest	4027387	-21	kworker/3:1+events	21:00:18	3
4002740	99	2553	12,2538	cyclictest	4060797	-21	kworker/3:1+events	22:53:38	3
4002738	99	2553	9,2541	cyclictest	4063891	-21	kworker/2:0+events	23:17:00	2
4002733	99	2552	5,2543	cyclictest	4050937	-21	kworker/1:1+events	22:32:19	1
4002740	99	2550	10,2537	cyclictest	4092767	-21	kworker/3:1+events	00:30:16	3
4002740	99	2548	12,2532	cyclictest	4084451	-21	kworker/3:0+events	00:08:39	3
4002740	99	2548	12,2532	cyclictest	4066897	-21	kworker/3:2+events	23:10:38	3
4002733	99	2548	12,2532	cyclictest	4050937	-21	kworker/1:1+events	22:18:18	1
4002740	99	2547	12,2532	cyclictest	4064986	-21	kworker/3:0+events	23:05:01	3
4002738	99	2546	12,2531	cyclictest	4074999	-21	kworker/2:2+events	00:17:26	2
4002733	99	2546	11,2532	cyclictest	4073545	-21	kworker/1:1+events	23:34:19	1
4002733	99	2546	11,2532	cyclictest	4043108	-21	kworker/1:2+events	21:54:22	1
4002733	99	2545	12,2529	cyclictest	4007142	-21	kworker/1:1+events	19:42:38	1
4002733	99	2545	11,2532	cyclictest	4070272	-21	kworker/1:2+events	23:20:01	1
4002740	99	2544	8,2532	cyclictest	4035099	-21	kworker/3:1+events	21:29:16	3
4002733	99	2544	7,2533	cyclictest	4050937	-21	kworker/1:1+events	22:37:37	1
4002738	99	2541	12,2525	cyclictest	4008745	-21	kworker/2:0+events	19:41:52	2
4002730	99	2539	11,2525	cyclictest	4082828	-21	kworker/0:2+events	00:01:04	0
4002740	99	2538	12,2522	cyclictest	4090745	-21	kworker/3:0+events	00:28:24	3
4002740	99	2538	12,2522	cyclictest	4007084	-21	kworker/3:2+events	19:27:07	3
4002730	99	2538	12,2523	cyclictest	4030008	-21	kworker/0:2+events	21:17:03	0
4002730	99	2538	11,2523	cyclictest	4062192	-21	kworker/0:2+events	22:54:03	0
4002740	99	2537	10,2525	cyclictest	4073491	-21	kworker/3:0+events	23:30:11	3
4002730	99	2537	8,2525	cyclictest	4030008	-21	kworker/0:2+events	21:22:49	0
4002740	99	2536	3,2529	cyclictest	4031450	-21	kworker/3:0+events	21:22:01	3
4002740	99	2534	12,2518	cyclictest	4026729	-21	kworker/3:0+events	20:59:32	3
4002738	99	2534	12,2518	cyclictest	4054311	-21	kworker/2:1+events	22:31:10	2
4002738	99	2534	12,2518	cyclictest	4029130	-21	kworker/2:0+events	21:12:54	2
4002730	99	2532	12,2516	cyclictest	4074939	-21	kworker/0:0+events	23:46:57	0
4002730	99	2531	12,2516	cyclictest	4055763	-21	kworker/0:2+events	22:36:52	0
4002740	99	2528	10,2515	cyclictest	4047813	-21	kworker/3:0+events	22:10:36	3
4002738	99	2527	12,2512	cyclictest	4049235	-21	kworker/2:0+events	22:12:09	2
4002738	99	2525	12,2509	cyclictest	4016183	-21	kworker/2:1+events	20:13:03	2
4002740	99	2524	10,2510	cyclictest	4042932	-21	kworker/3:0+events	21:57:02	3
4002730	99	2522	12,2506	cyclictest	4027539	-21	kworker/0:1+events	21:04:30	0
4002733	99	2520	12,2505	cyclictest	4011773	-21	kworker/1:2+events	20:16:55	1
4002738	99	2518	12,2500	cyclictest	4027326	-21	kworker/2:1+events	20:57:17	2
4002738	99	2515	12,2500	cyclictest	4005136	-21	kworker/2:0+events	19:19:35	2
4002738	99	2512	12,2497	cyclictest	4046448	-21	kworker/2:1+events	22:16:23	2
4002730	99	2511	11,2497	cyclictest	4063798	-21	kworker/0:0+events	23:13:15	0
4002730	99	2506	11,2492	cyclictest	4084574	-21	kworker/0:0+events	00:14:23	0
4002740	99	2500	12,2484	cyclictest	4066897	-21	kworker/3:2+events	23:09:05	3
4002740	99	2499	12,2484	cyclictest	4060797	-21	kworker/3:1+events	23:16:39	3
4002738	99	2499	12,2484	cyclictest	4024621	-21	kworker/2:1+events	20:44:21	2
4002738	99	2498	12,2482	cyclictest	4063891	-21	kworker/2:0+events	22:59:44	2
4002740	99	2497	11,2483	cyclictest	4019840	-21	kworker/3:2+events	20:22:13	3
4002738	99	2497	12,2482	cyclictest	4006880	-21	kworker/2:1+events	19:34:21	2
4002740	99	2496	12,2480	cyclictest	4052471	-21	kworker/3:0+events	22:29:16	3
4002738	99	2495	12,2480	cyclictest	4063891	-21	kworker/2:0+events	23:11:23	2
4002738	99	2495	12,2479	cyclictest	4078258	-21	kworker/2:1+events	23:47:45	2
4002733	99	2492	12,2477	cyclictest	4070272	-21	kworker/1:2+events	23:29:46	1
4002733	99	2492	10,2478	cyclictest	4035039	-21	kworker/1:1+events	21:29:39	1
4002738	99	2490	11,2475	cyclictest	4033705	-21	kworker/2:2+events	21:25:50	2
4002733	99	2490	12,2475	cyclictest	4024857	-21	kworker/1:2+events	20:47:23	1
4002733	99	2490	12,2475	cyclictest	4023178	-21	kworker/1:1+events	21:04:53	1
4002733	99	2490	10,2476	cyclictest	4079593	-21	kworker/1:2+events	23:47:20	1
4002730	99	2490	8,2479	cyclictest	4007319	-21	kworker/0:2+events	19:54:25	0
4002733	99	2489	10,2476	cyclictest	4011773	-21	kworker/1:2+events	19:58:12	1
4002738	99	2487	12,2472	cyclictest	4050843	-21	kworker/2:2+events	22:26:37	2
4002738	99	2486	12,2472	cyclictest	4086464	-21	kworker/2:0+events	00:10:33	2
4002738	99	2486	12,2471	cyclictest	4052502	-21	kworker/2:0+events	22:24:00	2
4002733	99	2486	12,2471	cyclictest	4057804	-21	kworker/1:2+events	23:03:29	1
4002740	99	2485	12,2469	cyclictest	4044563	-21	kworker/3:1+events	22:04:33	3
4002733	99	2485	12,2470	cyclictest	4075149	-21	kworker/1:0+events	23:37:25	1
4002738	99	2484	12,2470	cyclictest	4074999	-21	kworker/2:2+events	00:02:36	2
4002733	99	2484	11,2471	cyclictest	4017673	-21	kworker/1:0+events	20:20:41	1
4002733	99	2484	11,2469	cyclictest	4019958	-21	kworker/1:1+events	20:28:00	1
4002738	99	2483	12,2468	cyclictest	4013790	-21	kworker/2:0+events	19:58:57	2
4002733	99	2483	12,2468	cyclictest	4023178	-21	kworker/1:1+events	20:52:42	1
4002733	99	2483	10,2469	cyclictest	4094605	-21	kworker/1:0+events	00:37:08	1
4002740	99	2482	12,2466	cyclictest	4060797	-21	kworker/3:1+events	22:55:56	3
4002733	99	2482	12,2467	cyclictest	4057804	-21	kworker/1:2+events	23:10:15	1
4002733	99	2482	11,2467	cyclictest	4036676	-21	kworker/1:2+events	21:38:42	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2024-07-29 - 23:00