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 Feb 05, 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
2009945	99	2798	9,2783	cyclictest	2040245	-21	kworker/2:1+events	20:55:12	2
2009945	99	2778	13,2761	cyclictest	2075419	-21	kworker/2:0+events	22:35:17	2
2009938	99	2748	13,2731	cyclictest	2102805	-21	kworker/0:2+events	00:10:16	0
2009941	99	2733	13,2716	cyclictest	2030598	-21	kworker/1:2+events	20:15:20	1
2009941	99	2708	13,2691	cyclictest	2038791	-21	kworker/1:1+events	20:50:13	1
2009941	99	2527	12,2511	cyclictest	2051585	-21	kworker/1:2+events	21:20:11	1
2009938	99	2527	12,2510	cyclictest	2091686	-21	kworker/0:1+events	23:35:17	0
2009941	99	2491	9,2478	cyclictest	2024428	-21	kworker/1:1+events	20:20:16	1
2009945	99	2472	12,2457	cyclictest	2040245	-21	kworker/2:1+events	20:45:15	2
2009938	99	2465	8,2453	cyclictest	2081854	-21	kworker/0:1+events	23:06:12	0
2009945	99	2461	11,2447	cyclictest	2064368	-21	kworker/2:0+events	22:09:06	2
2009945	99	2459	12,2443	cyclictest	2057964	-21	kworker/2:1+events	21:40:11	2
2009945	99	2459	11,2444	cyclictest	2109196	-21	kworker/2:2+events	00:19:04	2
2009945	99	2448	12,2433	cyclictest	2112414	-21	kworker/2:1+events	00:28:33	2
2009945	99	2440	10,2426	cyclictest	2043152	-21	kworker/2:0+events	20:54:27	2
2009945	99	2435	12,2420	cyclictest	2069249	-21	kworker/2:2+events	22:22:05	2
2009945	99	2431	10,2418	cyclictest	2093170	-21	kworker/2:1+events	23:30:37	2
2009945	99	2425	12,2411	cyclictest	2078751	-21	kworker/2:0+events	22:45:02	2
2009945	99	2424	12,2409	cyclictest	2082013	-21	kworker/2:1+events	22:58:16	2
2009945	99	2421	12,2406	cyclictest	2112414	-21	kworker/2:1+events	00:37:37	2
2009949	99	2410	12,2395	cyclictest	2091510	-21	kworker/3:1+events	23:25:17	3
2009938	99	2409	10,2396	cyclictest	2102805	-21	kworker/0:2+events	00:02:01	0
2009941	99	2408	10,2394	cyclictest	2022764	-21	kworker/1:2+events	19:48:58	1
2009941	99	2406	11,2392	cyclictest	2054542	-21	kworker/1:0+events	21:27:47	1
2009945	99	2405	11,2390	cyclictest	2032079	-21	kworker/2:1+events	20:23:17	2
2009941	99	2394	12,2379	cyclictest	2051585	-21	kworker/1:2+events	21:36:18	1
2009938	99	2381	12,2365	cyclictest	2041545	-21	kworker/0:1+events	20:46:47	0
2009945	99	2380	11,2365	cyclictest	2094761	-21	kworker/2:0+events	23:52:04	2
2009941	99	2376	11,2361	cyclictest	2021127	-21	kworker/1:1+events	19:43:12	1
2009938	99	2369	12,2354	cyclictest	2052973	-21	kworker/0:0+events	21:23:58	0
2009938	99	2361	11,2347	cyclictest	2056282	-21	kworker/0:2+events	21:41:19	0
2009949	99	2353	10,2339	cyclictest	2068988	-21	kworker/3:0+events	22:13:16	3
2009938	99	2351	10,2338	cyclictest	2032109	-21	kworker/0:0+events	20:52:32	0
2009938	99	2347	10,2334	cyclictest	2019392	-21	kworker/0:0+events	19:56:39	0
2009941	99	2345	12,2330	cyclictest	2101205	-21	kworker/1:1+events	23:52:26	1
2009945	99	2341	12,2326	cyclictest	2103345	-21	kworker/2:0+events	00:14:49	2
2009941	99	2339	10,2326	cyclictest	2088511	-21	kworker/1:1+events	23:37:37	1
2009945	99	2314	11,2300	cyclictest	2052880	-21	kworker/2:2+events	21:49:41	2
2009941	99	2303	12,2288	cyclictest	2107471	-21	kworker/1:0+events	00:15:58	1
2009945	99	2298	11,2284	cyclictest	2052880	-21	kworker/2:2+events	21:26:16	2
2009945	99	2298	11,2284	cyclictest	2006072	-21	kworker/2:0+events	19:29:13	2
2009945	99	2296	12,2281	cyclictest	2077074	-21	kworker/2:1+events	22:40:33	2
2009941	99	2296	11,2283	cyclictest	2072220	-21	kworker/1:1+events	22:30:23	1
2009949	99	2289	9,2278	cyclictest	2059684	-21	kworker/3:0+events	21:45:05	3
2009949	99	2280	11,2265	cyclictest	2022887	-21	kworker/3:2+events	19:50:53	3
2009949	99	2279	10,2267	cyclictest	2048268	-21	kworker/3:2+events	21:25:06	3
2009945	99	2272	11,2258	cyclictest	2027631	-21	kworker/2:0+events	20:10:24	2
2009941	99	2272	10,2259	cyclictest	2024428	-21	kworker/1:1+events	20:12:19	1
2009938	99	2272	11,2257	cyclictest	2107501	-21	kworker/0:1+events	00:18:16	0
2009949	99	2270	11,2256	cyclictest	2065962	-21	kworker/3:2+events	22:23:58	3
2009938	99	2266	10,2253	cyclictest	2048057	-21	kworker/0:0+events	21:11:41	0
2009949	99	2265	12,2249	cyclictest	2029053	-21	kworker/3:2+events	20:08:29	3
2009945	99	2263	5,2255	cyclictest	2061168	-21	kworker/2:0+events	21:51:59	2
2009945	99	2246	6,2236	cyclictest	2046528	-21	kworker/2:0+events	21:08:59	2
2009945	99	2242	10,2229	cyclictest	2017941	-21	kworker/2:2+events	20:01:37	2
2009945	99	2241	10,2228	cyclictest	2082013	-21	kworker/2:1+events	23:09:58	2
2009945	99	2239	11,2225	cyclictest	2054511	-21	kworker/2:0+events	21:32:04	2
2009945	99	2239	10,2226	cyclictest	2069249	-21	kworker/2:2+events	22:18:14	2
2009945	99	2239	10,2226	cyclictest	2017941	-21	kworker/2:2+events	19:33:02	2
2009945	99	2238	10,2225	cyclictest	2086644	-21	kworker/2:2+events	23:21:08	2
2009945	99	2237	7,2227	cyclictest	2062768	-21	kworker/2:1+events	21:56:13	2
2009945	99	2237	10,2224	cyclictest	2089911	-21	kworker/2:1+events	23:18:25	2
2009945	99	2237	10,2223	cyclictest	2075419	-21	kworker/2:0+events	22:33:00	2
2009945	99	2235	10,2222	cyclictest	2049741	-21	kworker/2:1+events	21:15:10	2
2009945	99	2234	10,2220	cyclictest	2088274	-21	kworker/2:0+events	23:12:16	2
2009945	99	2234	10,2220	cyclictest	2088274	-21	kworker/2:0+events	23:12:16	2
2009945	99	2231	10,2218	cyclictest	2109196	-21	kworker/2:2+events	00:20:57	2
2009945	99	2228	11,2214	cyclictest	2052880	-21	kworker/2:2+events	21:39:00	2
2009945	99	2228	11,2214	cyclictest	2036964	-21	kworker/2:1+events	20:37:19	2
2009945	99	2228	10,2215	cyclictest	2099844	-21	kworker/2:1+events	23:58:11	2
2009945	99	2227	4,2220	cyclictest	2062768	-21	kworker/2:1+events	22:01:08	2
2009945	99	2223	9,2210	cyclictest	2096358	-21	kworker/2:1+events	23:42:57	2
2009945	99	2223	11,2209	cyclictest	2038594	-21	kworker/2:2+events	20:44:09	2
2009945	99	2223	11,2209	cyclictest	2019534	-21	kworker/2:1+events	19:41:39	2
2009945	99	2222	8,2211	cyclictest	2049741	-21	kworker/2:1+events	21:20:34	2
2009945	99	2221	11,2207	cyclictest	2027631	-21	kworker/2:0+events	20:17:38	2
2009945	99	2220	11,2206	cyclictest	2091537	-21	kworker/2:0+events	23:27:33	2
2009945	99	2219	10,2205	cyclictest	2101474	-21	kworker/2:2+events	00:02:22	2
2009941	99	2217	11,2202	cyclictest	2098425	-21	kworker/1:2+events	23:47:11	1
2009945	99	2215	10,2202	cyclictest	2006072	-21	kworker/2:0+events	19:22:41	2
2009941	99	2207	10,2194	cyclictest	2072220	-21	kworker/1:1+events	22:27:44	1
2009941	99	2202	11,2187	cyclictest	2078861	-21	kworker/1:0+events	22:45:24	1
2009941	99	2202	10,2189	cyclictest	2022764	-21	kworker/1:2+events	19:54:18	1
2009941	99	2202	10,2188	cyclictest	2075506	-21	kworker/1:0+events	22:37:31	1
2009941	99	2201	11,2187	cyclictest	2078861	-21	kworker/1:0+events	22:53:18	1
2009941	99	2201	11,2187	cyclictest	2067715	-21	kworker/1:1+events	22:14:01	1
2009941	99	2201	0,2197	cyclictest	2038791	-21	kworker/1:1+events	21:19:24	1
2009949	99	2200	10,2187	cyclictest	2083372	-21	kworker/3:2+events	22:59:02	3
2009949	99	2199	8,2187	cyclictest	2109672	-21	kworker/3:1+events	00:25:49	3
2009941	99	2199	9,2187	cyclictest	2098425	-21	kworker/1:2+events	00:06:52	1
2009941	99	2199	8,2186	cyclictest	2078861	-21	kworker/1:0+events	22:58:40	1
2009941	99	2199	10,2186	cyclictest	2102959	-21	kworker/1:0+events	23:59:43	1
2009949	99	2198	7,2188	cyclictest	2036858	-21	kworker/3:1+events	20:35:49	3
2009949	99	2198	11,2184	cyclictest	2038476	-21	kworker/3:2+events	20:54:04	3
2009949	99	2198	11,2183	cyclictest	2029053	-21	kworker/3:2+events	20:29:41	3
2009949	99	2198	10,2185	cyclictest	2007873	-21	kworker/3:0+events	19:19:39	3
2009941	99	2198	9,2187	cyclictest	2109073	-21	kworker/1:2+events	00:25:05	1
2009941	99	2198	9,2185	cyclictest	2043214	-21	kworker/1:0+events	20:56:21	1
2009941	99	2198	11,2184	cyclictest	2051585	-21	kworker/1:2+events	21:31:40	1
2009941	99	2198	10,2185	cyclictest	2066082	-21	kworker/1:0+events	22:18:36	1
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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