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 Fri May 08, 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
3754033	99	2786	13,2768	cyclictest	3833755	-21	kworker/2:2+events	23:35:12	2
3754033	99	2774	12,2758	cyclictest	3843239	-21	kworker/2:2+events	00:10:00	2
3754031	99	2723	13,2707	cyclictest	3802927	-21	kworker/1:2+events	22:00:15	1
3754031	99	2717	12,2701	cyclictest	3763920	-21	kworker/1:2+events	19:45:00	1
3754026	99	2684	13,2667	cyclictest	3814667	-21	kworker/0:2+events	22:20:18	0
3754036	99	2676	13,2661	cyclictest	3846626	-21	kworker/3:0+events	00:05:01	3
3754036	99	2674	12,2658	cyclictest	3768410	-21	kworker/3:1+events	19:55:18	3
3754033	99	2667	13,2649	cyclictest	3768498	-21	kworker/2:1+events	20:00:17	2
3754026	99	2643	11,2628	cyclictest	3770310	-21	kworker/0:2+events	20:05:15	0
3754036	99	2618	0,2614	cyclictest	3755623	-21	kworker/3:1+events	19:25:16	3
3754036	99	2579	12,2563	cyclictest	3808275	-21	kworker/3:0+events	22:26:42	3
3754036	99	2573	12,2557	cyclictest	3794117	-21	kworker/3:2+events	21:25:19	3
3754026	99	2569	12,2553	cyclictest	3776157	-21	kworker/0:1+events	20:18:33	0
3754026	99	2564	12,2548	cyclictest	3825987	-21	kworker/0:0+events	22:57:10	0
3754026	99	2552	11,2537	cyclictest	3837104	-21	kworker/0:1+events	00:05:47	0
3754033	99	2539	12,2523	cyclictest	3778094	-21	kworker/2:2+events	20:40:14	2
3754026	99	2538	12,2523	cyclictest	3825987	-21	kworker/0:0+events	23:02:06	0
3754033	99	2535	10,2521	cyclictest	3856085	-21	kworker/2:2+events	00:30:41	2
3754033	99	2530	11,2515	cyclictest	3779759	-21	kworker/2:0+events	20:28:50	2
3754033	99	2524	10,2511	cyclictest	3856085	-21	kworker/2:2+events	00:28:23	2
3754036	99	2516	12,2500	cyclictest	3838591	-21	kworker/3:2+events	23:43:34	3
3754036	99	2500	12,2485	cyclictest	3776174	-21	kworker/3:0+events	20:26:10	3
3754036	99	2500	12,2484	cyclictest	3846626	-21	kworker/3:0+events	00:11:07	3
3754036	99	2497	12,2481	cyclictest	3789292	-21	kworker/3:1+events	21:00:58	3
3754036	99	2497	12,2481	cyclictest	3770045	-21	kworker/3:2+events	20:10:57	3
3754036	99	2497	11,2484	cyclictest	3786007	-21	kworker/3:2+events	20:50:03	3
3754033	99	2497	12,2482	cyclictest	3798597	-21	kworker/2:0+events	21:30:14	2
3754036	99	2495	12,2480	cyclictest	3841813	-21	kworker/3:1+events	23:48:14	3
3754036	99	2495	12,2480	cyclictest	3838591	-21	kworker/3:2+events	23:52:05	3
3754036	99	2495	12,2480	cyclictest	3819756	-21	kworker/3:1+events	22:59:28	3
3754026	99	2494	12,2479	cyclictest	3759219	-21	kworker/0:2+events	19:35:53	0
3754036	99	2492	11,2477	cyclictest	3819756	-21	kworker/3:1+events	22:54:54	3
3754026	99	2492	12,2476	cyclictest	3837104	-21	kworker/0:1+events	23:31:27	0
3754036	99	2491	12,2476	cyclictest	3776174	-21	kworker/3:0+events	20:33:24	3
3754036	99	2491	12,2476	cyclictest	3770045	-21	kworker/3:2+events	20:15:52	3
3754036	99	2490	12,2474	cyclictest	3830505	-21	kworker/3:2+events	23:09:31	3
3754026	99	2490	12,2475	cyclictest	3790876	-21	kworker/0:1+events	21:13:56	0
3754026	99	2489	12,2474	cyclictest	3795695	-21	kworker/0:0+events	21:28:21	0
3754026	99	2486	12,2471	cyclictest	3790876	-21	kworker/0:1+events	21:16:35	0
3754026	99	2486	12,2470	cyclictest	3805167	-21	kworker/0:1+events	21:53:19	0
3754026	99	2486	12,2470	cyclictest	3805167	-21	kworker/0:1+events	21:53:19	0
3754026	99	2485	9,2472	cyclictest	3852783	-21	kworker/0:0+events	00:32:59	0
3754026	99	2484	12,2470	cyclictest	3837104	-21	kworker/0:1+events	23:40:10	0
3754033	99	2481	12,2466	cyclictest	3792545	-21	kworker/2:0+events	21:15:26	2
3754026	99	2477	12,2461	cyclictest	3816407	-21	kworker/0:0+events	22:42:45	0
3754026	99	2477	10,2464	cyclictest	3779787	-21	kworker/0:0+events	20:32:40	0
3754026	99	2476	12,2461	cyclictest	3776157	-21	kworker/0:1+events	20:53:47	0
3754026	99	2471	12,2456	cyclictest	3801874	-21	kworker/0:0+events	22:17:19	0
3754036	99	2470	11,2455	cyclictest	3824201	-21	kworker/3:0+events	22:46:56	3
3754026	99	2470	11,2456	cyclictest	3837104	-21	kworker/0:1+events	23:47:03	0
3754033	99	2466	12,2450	cyclictest	3829090	-21	kworker/2:1+events	23:19:18	2
3754026	99	2466	10,2452	cyclictest	3852783	-21	kworker/0:0+events	00:22:37	0
3754033	99	2462	11,2448	cyclictest	3816230	-21	kworker/2:1+events	22:28:36	2
3754033	99	2462	10,2448	cyclictest	3808213	-21	kworker/2:1+events	22:13:31	2
3754026	99	2462	11,2448	cyclictest	3837104	-21	kworker/0:1+events	23:29:55	0
3754033	99	2451	12,2436	cyclictest	3814488	-21	kworker/2:0+events	22:51:49	2
3754033	99	2451	12,2435	cyclictest	3853000	-21	kworker/2:0+events	00:23:01	2
3754033	99	2451	12,2435	cyclictest	3822785	-21	kworker/2:2+events	22:48:05	2
3754033	99	2451	11,2437	cyclictest	3806605	-21	kworker/2:2+events	22:02:10	2
3754033	99	2449	12,2434	cyclictest	3778094	-21	kworker/2:2+events	20:22:45	2
3754033	99	2449	12,2433	cyclictest	3806605	-21	kworker/2:2+events	21:57:34	2
3754033	99	2449	12,2433	cyclictest	3806605	-21	kworker/2:2+events	21:57:34	2
3754033	99	2449	12,2431	cyclictest	3778094	-21	kworker/2:2+events	20:38:19	2
3754033	99	2448	12,2432	cyclictest	3819544	-21	kworker/2:2+events	22:33:54	2
3754033	99	2448	12,2432	cyclictest	3798597	-21	kworker/2:0+events	21:26:51	2
3754033	99	2447	9,2436	cyclictest	3849789	-21	kworker/2:0+events	00:10:45	2
3754033	99	2447	11,2432	cyclictest	3837432	-21	kworker/2:1+events	23:42:27	2
3754033	99	2446	9,2433	cyclictest	3766866	-21	kworker/2:0+events	19:49:12	2
3754033	99	2446	11,2432	cyclictest	3765263	-21	kworker/2:2+events	19:44:37	2
3754033	99	2445	12,2431	cyclictest	3833755	-21	kworker/2:2+events	23:24:17	2
3754033	99	2443	12,2428	cyclictest	3843239	-21	kworker/2:2+events	23:50:31	2
3754033	99	2443	12,2427	cyclictest	3790786	-21	kworker/2:1+events	21:07:02	2
3754033	99	2443	11,2428	cyclictest	3773329	-21	kworker/2:0+events	20:11:41	2
3754026	99	2442	11,2428	cyclictest	3846506	-21	kworker/0:0+events	23:59:13	0
3754033	99	2439	12,2425	cyclictest	3759100	-21	kworker/2:2+events	19:31:18	2
3754036	99	2433	12,2419	cyclictest	3781452	-21	kworker/3:1+events	20:35:20	3
3754026	99	2433	10,2420	cyclictest	3776157	-21	kworker/0:1+events	20:21:12	0
3754033	99	2432	12,2416	cyclictest	3803767	-21	kworker/2:0+events	21:49:17	2
3754036	99	2424	12,2408	cyclictest	3856182	-21	kworker/3:2+events	00:35:17	3
3754036	99	2422	11,2407	cyclictest	3814555	-21	kworker/3:1+events	22:18:26	3
3754031	99	2420	7,2409	cyclictest	3827588	-21	kworker/1:1+events	23:00:16	1
3754033	99	2419	11,2404	cyclictest	3794854	-21	kworker/2:1+events	21:38:57	2
3754033	99	2414	12,2399	cyclictest	3843239	-21	kworker/2:2+events	00:00:21	2
3754033	99	2414	12,2399	cyclictest	3843239	-21	kworker/2:2+events	00:00:21	2
3754031	99	2414	12,2400	cyclictest	3835475	-21	kworker/1:0+events	23:25:03	1
3754031	99	2410	12,2395	cyclictest	3837077	-21	kworker/1:1+events	23:49:45	1
3754031	99	2410	10,2396	cyclictest	3816320	-21	kworker/1:0+events	22:30:30	1
3754036	99	2408	12,2392	cyclictest	3808275	-21	kworker/3:0+events	22:13:54	3
3754031	99	2407	9,2395	cyclictest	3840040	-21	kworker/1:0+events	23:41:21	1
3754033	99	2405	12,2388	cyclictest	3814488	-21	kworker/2:0+events	22:43:09	2
3754026	99	2400	8,2387	cyclictest	3798614	-21	kworker/0:1+events	21:37:25	0
3754036	99	2396	12,2381	cyclictest	3765199	-21	kworker/3:2+events	19:43:28	3
3754036	99	2395	11,2380	cyclictest	3790906	-21	kworker/3:0+events	21:07:48	3
3754036	99	2389	12,2373	cyclictest	3808275	-21	kworker/3:0+events	22:07:52	3
3754026	99	2385	11,2370	cyclictest	3837104	-21	kworker/0:1+events	23:35:35	0
3754026	99	2382	12,2366	cyclictest	3825987	-21	kworker/0:0+events	22:54:30	0
3754026	99	2378	12,2363	cyclictest	3843270	-21	kworker/0:0+events	23:51:41	0
3754033	99	2376	12,2360	cyclictest	3781365	-21	kworker/2:1+events	20:34:57	2
3754026	99	2363	11,2349	cyclictest	3846506	-21	kworker/0:0+events	00:04:37	0
3754026	99	2363	11,2349	cyclictest	3846506	-21	kworker/0:0+events	00:04:37	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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