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2025-07-08 - 22:14
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Tue Jul 08, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24001762950,1sleep10-21swapper/109:54:591
26811162510,1sleep12681115-21grep12:35:181
24003542410,2sleep30-21swapper/309:55:013
21805682340,2sleep30-21swapper/307:15:033
25010912618,3phc2sys0-21swapper/311:03:083
25010912618,3phc2sys0-21swapper/310:42:323
25010912518,2phc2sys0-21swapper/312:20:113
2172837992522,2cyclictest0-21swapper/009:45:020
25010912418,2phc2sys0-21swapper/311:43:563
25010912418,2phc2sys0-21swapper/311:34:183
25010912418,2phc2sys0-21swapper/311:24:003
25010912418,2phc2sys0-21swapper/311:11:023
25010912418,2phc2sys0-21swapper/310:29:493
25010912418,2phc2sys0-21swapper/310:11:093
25010912418,2phc2sys0-21swapper/309:42:393
25010912418,2phc2sys0-21swapper/309:31:173
25010912418,2phc2sys0-21swapper/309:20:593
25010912418,2phc2sys0-21swapper/309:10:333
25010912418,2phc2sys0-21swapper/308:39:193
25010912418,2phc2sys0-21swapper/308:23:533
25010912417,2phc2sys0-21swapper/307:21:493
2172837992414,6cyclictest2682565-21kthreadcore12:35:220
2172837992413,5cyclictest2365948-21cstates09:35:190
250483422318,3sleep30-21swapper/310:54:583
25010912318,3phc2sys0-21swapper/312:32:413
25010912318,3phc2sys0-21swapper/312:26:233
25010912318,3phc2sys0-21swapper/312:06:443
25010912318,3phc2sys0-21swapper/311:47:403
25010912318,3phc2sys0-21swapper/311:28:243
25010912318,3phc2sys0-21swapper/311:19:183
25010912318,3phc2sys0-21swapper/311:06:163
25010912318,3phc2sys0-21swapper/310:35:543
25010912318,3phc2sys0-21swapper/310:34:183
25010912318,3phc2sys0-21swapper/310:34:183
25010912318,3phc2sys0-21swapper/310:05:393
25010912318,3phc2sys0-21swapper/310:04:513
25010912318,3phc2sys0-21swapper/309:26:113
25010912318,3phc2sys0-21swapper/309:16:213
25010912318,3phc2sys0-21swapper/307:36:153
25010912317,3phc2sys0-21swapper/310:24:153
25010912317,2phc2sys0-21swapper/312:39:273
25010912317,2phc2sys0-21swapper/312:17:273
25010912317,2phc2sys0-21swapper/311:57:273
25010912317,2phc2sys0-21swapper/311:51:343
25010912317,2phc2sys0-21swapper/309:49:013
25010912317,2phc2sys0-21swapper/308:58:353
25010912317,2phc2sys0-21swapper/308:45:253
25010912317,2phc2sys0-21swapper/307:44:253
25010912317,2phc2sys0-21swapper/307:11:313
25010912316,3phc2sys0-21swapper/311:39:033
230947922318,3sleep30-21swapper/309:00:033
2172839992320,1cyclictest0-21swapper/207:20:012
2172838992320,2cyclictest2382533-21dpkg09:45:011
2172837992320,2cyclictest770595-21systemd-journal12:20:020
264613622218,2sleep20-21swapper/212:15:162
264376622218,2sleep30-21swapper/312:12:373
263441022218,2sleep20-21swapper/212:06:392
262658822218,2sleep30-21swapper/312:03:353
257231522218,2sleep20-21swapper/211:30:522
254762722218,2sleep20-21swapper/211:18:252
250523222218,2sleep20-21swapper/210:55:092
25010912217,3phc2sys0-21swapper/308:51:173
25010912217,3phc2sys0-21swapper/308:43:233
25010912217,3phc2sys0-21swapper/307:56:313
25010912217,3phc2sys0-21swapper/307:48:013
249496322218,2sleep20-21swapper/210:47:592
247794422218,2sleep20-21swapper/210:38:412
246707622218,2sleep20-21swapper/210:30:322
246707622218,2sleep20-21swapper/210:30:322
246076922218,2sleep20-21swapper/210:29:072
241460222218,2sleep20-21swapper/210:00:302
240641722218,2sleep20-21swapper/209:55:492
237110022218,2sleep30-21swapper/309:35:383
235518622218,2sleep20-21swapper/209:28:152
227710522218,2sleep30-21swapper/308:30:263
224355222218,2sleep20-21swapper/208:05:242
2172838992216,2cyclictest178850irq/121-eno111:40:011
2172837992214,7cyclictest2554523-21unixbench_multi11:20:270
2172837992210,7cyclictest0-21swapper/011:50:020
268131622117,2sleep20-21swapper/212:35:202
266302422117,2sleep20-21swapper/212:25:062
264362822117,2sleep20-21swapper/212:12:242
262688022117,2sleep20-21swapper/212:04:062
261778722118,2sleep20-21swapper/211:58:292
260861222117,2sleep20-21swapper/211:52:442
259895222117,2sleep20-21swapper/211:46:352
259059922117,2sleep20-21swapper/211:42:102
258217422117,2sleep20-21swapper/211:37:492
253737922117,2sleep20-21swapper/211:10:522
252878322117,2sleep20-21swapper/211:06:152
25010912117,2phc2sys0-21swapper/310:45:463
25010912113,2phc2sys0-21swapper/310:55:273
248693022117,2sleep20-21swapper/210:44:062
245027722117,2sleep20-21swapper/210:21:062
243621722117,2sleep30-21swapper/310:15:183
243561522117,2sleep20-21swapper/210:15:132
242302522117,2sleep20-21swapper/210:05:272
239761522117,2sleep20-21swapper/209:50:442
238884022117,2sleep20-21swapper/209:45:392
236434022118,2sleep20-21swapper/209:33:572
232791922118,2sleep20-21swapper/209:11:202
229255022117,2sleep20-21swapper/208:45:232
227273922118,2sleep30-21swapper/308:27:453
225441022117,2sleep20-21swapper/208:11:132
225440622118,2sleep30-21swapper/308:11:103
224816622118,2sleep30-21swapper/308:06:413
221836822117,2sleep20-21swapper/207:45:162
219929122118,2sleep30-21swapper/307:26:223
2172837992118,2cyclictest8799-21cron12:15:000
2172837992110,6cyclictest0-21swapper/012:00:010
25010912017,2phc2sys0-21swapper/309:06:053
25010912017,2phc2sys0-21swapper/309:06:053
25010912017,2phc2sys0-21swapper/308:00:533
243407322017,2sleep20-21swapper/210:13:082
234604422017,2sleep20-21swapper/209:22:342
231516022017,2sleep20-21swapper/209:02:512
230891022017,2sleep20-21swapper/208:55:492
229074922017,2sleep20-21swapper/208:40:302
228486822017,2sleep20-21swapper/208:38:022
227867422017,2sleep20-21swapper/208:31:132
227282522017,2sleep20-21swapper/208:28:522
226674422017,2sleep20-21swapper/208:23:312
226063022017,2sleep30-21swapper/308:17:593
226052422017,2sleep20-21swapper/208:16:382
224224822017,2sleep20-21swapper/208:03:402
221760122017,2sleep20-21swapper/207:42:482
221161422017,2sleep20-21swapper/207:38:472
220533222017,2sleep20-21swapper/207:31:182
219940922017,2sleep20-21swapper/207:27:532
219292322017,2sleep20-21swapper/207:20:522
217852622017,2sleep20-21swapper/207:11:062
2172838992011,3cyclictest2363399-21runrttasks09:32:251
217283899200,19cyclictest0-21swapper/110:45:231
2172837992017,2cyclictest1-21systemd07:15:010
2172837992016,3cyclictest2172835-21cyclictest10:15:020
217283799200,19cyclictest0-21swapper/007:57:110
2172839991917,1cyclictest0-21swapper/209:45:022
2172838991916,2cyclictest2340507-21grep09:20:191
2172838991916,2cyclictest2179421-21if_enp1s0.807:15:021
2172838991912,3cyclictest2463142-21kthreadcore10:30:231
2172838991912,3cyclictest2463142-21kthreadcore10:30:231
2172838991911,4cyclictest2541531-21irqrtprio11:15:241
2172838991911,4cyclictest2498019-21kthreadcore10:50:211
2172838991911,3cyclictest0-21swapper/112:00:011
217283799198,6cyclictest0-21swapper/011:40:220
2172837991916,2cyclictest2297132-21idleruntime-cro08:50:000
2172837991910,5cyclictest2457410-21kthreadcore10:25:240
2172839991815,1cyclictest0-21swapper/211:25:002
2172839991814,2cyclictest0-21swapper/212:35:002
217283899181,6cyclictest2211754-21munin-run07:40:001
2172838991815,2cyclictest2557593-21munin-plugin-st11:25:011
2172838991815,2cyclictest2522312-21idleruntime-cro11:05:001
2172838991815,2cyclictest2487516-21dump-pmu-power10:45:001
2172838991815,2cyclictest1726-21systemd-logind11:10:021
217283799189,4cyclictest0-21swapper/012:15:250
217283799188,6cyclictest2515037-21irqcore11:00:210
217283799187,6cyclictest0-21swapper/011:05:220
217283799182,14cyclictest2347988-21/usr/sbin/munin09:25:190
2172837991815,2cyclictest2566349-21latency_hist11:30:010
2172837991812,5cyclictest2603076-21kthreadcore11:50:180
2172837991810,4cyclictest2483847-21kthreadcore10:40:240
2172839991715,1cyclictest0-21swapper/209:10:012
2172839991715,1cyclictest0-21swapper/209:10:012
2172839991714,1cyclictest0-21swapper/209:19:552
217283899179,3cyclictest0-21swapper/111:35:021
217283899179,3cyclictest0-21swapper/110:05:011
217283899173,13cyclictest2478774-21perf10:40:001
2172838991714,2cyclictest2217936-21sort07:45:001
2172838991714,2cyclictest0-21swapper/112:05:011
2172838991714,2cyclictest0-21swapper/108:20:001
2172838991711,2cyclictest178850irq/121-eno111:10:241
217283799178,2cyclictest0-21swapper/010:45:290
2172837991715,1cyclictest2248445-21cat08:10:010
2172837991714,2cyclictest0-21swapper/011:20:010
2172837991713,3cyclictest2303432-21kworker/u16:2+nfsiod09:49:340
2172837991713,2cyclictest0-21swapper/007:40:010
2172837991711,5cyclictest2402532-21kthreadcore09:55:220
2172837991710,6cyclictest2570588-21kthreadcore11:30:250
2172837991710,6cyclictest0-21swapper/010:00:170
25010911610,2phc2sys0-21swapper/309:57:463
217283899169,3cyclictest2328361-21runrttasks09:12:031
217283899168,3cyclictest0-21swapper/112:25:011
2172838991614,2cyclictest2592476-21kworker/u16:0+events_freezable_pwr_efficient12:14:461
2172838991614,2cyclictest2522580-21kworker/u16:3+events_freezable_pwr_efficient11:52:481
2172838991614,2cyclictest2019114-21kworker/u16:0+events_freezable_pwr_efficient07:29:121
2172838991613,2cyclictest2436816-21grep10:15:201
2172838991613,2cyclictest0-21swapper/111:00:011
2172838991612,3cyclictest2015-21snmpd12:30:201
2172838991611,3cyclictest2242564-21latency_hist08:05:021
217283799169,2cyclictest0-21swapper/012:09:250
217283799167,5cyclictest0-21swapper/010:35:170
217283799165,6cyclictest2501783-21sensors_fan10:50:260
2172837991613,2cyclictest2309361-21cut09:00:010
2172837991613,2cyclictest2218066-21/usr/sbin/munin07:45:010
2172837991613,2cyclictest2194446-21cut07:25:200
2172837991613,2cyclictest1-21systemd09:35:020
2172839991513,1cyclictest0-21swapper/211:00:232
2172839991513,1cyclictest0-21swapper/208:50:222
2172839991512,1cyclictest0-21swapper/209:35:192
2172839991512,1cyclictest0-21swapper/207:10:012
2172838991513,2cyclictest2172731-21kworker/u16:3+events_freezable_pwr_efficient08:57:041
2172838991513,2cyclictest2172731-21kworker/u16:3+events_freezable_pwr_efficient08:35:061
2172838991513,2cyclictest2136667-21kworker/u16:1+events_freezable_pwr_efficient08:13:081
2172838991513,2cyclictest2136667-21kworker/u16:1+events_freezable_pwr_efficient07:51:101
2172838991513,1cyclictest2303432-21kworker/u16:2+events_freezable_pwr_efficient09:30:011
2172838991513,1cyclictest0-21swapper/107:10:021
2172838991512,2cyclictest9244-21rtkit-daemon08:51:221
2172838991512,2cyclictest2601575-21munin-plugin-st11:50:031
2172838991512,2cyclictest2585509-21kthreadcore11:40:201
2172838991512,2cyclictest2559569-21kthreadcore11:25:251
2172838991512,2cyclictest2444987-21fschecks_count10:20:191
2172838991512,2cyclictest2384347-21irqrtprio09:45:181
2172838991512,2cyclictest2321678-21latency_hist09:10:011
2172838991512,2cyclictest2321678-21latency_hist09:10:001
2172838991512,2cyclictest2315334-21cron09:04:591
2172838991512,2cyclictest2292181-21gltestperf08:45:211
2172838991512,2cyclictest2240602-1atopacctd09:55:221
2172838991512,2cyclictest1726-21systemd-logind08:00:011
2172838991512,2cyclictest1695-21dbus-daemon07:34:591
2172838991511,3cyclictest2633732-21kworker/u16:1+nfsiod12:07:301
2172838991511,3cyclictest2400245-21kworker/u16:0+nfsiod10:10:111
217283899150,9cyclictest2187170-21latency_hist07:20:011
217283799158,2cyclictest0-21swapper/010:15:170
217283799157,4cyclictest2249107-21tail08:10:160
217283799154,6cyclictest2418314-21aten2.4-expect10:05:170
217283799154,6cyclictest0-21swapper/011:35:240
2172837991512,2cyclictest2619919-21gltestperf12:00:180
2172837991512,2cyclictest2535341-21kthreadcore11:10:240
2172837991512,2cyclictest2461844-21aten_repower_en10:30:160
2172837991512,2cyclictest2461844-21aten_repower_en10:30:160
2172837991512,2cyclictest2400245-21kworker/u16:0+nfsiod10:58:550
2172837991512,2cyclictest2342188-21sed09:20:210
2172837991512,2cyclictest2310716-21cut09:00:240
2172837991512,2cyclictest2302167-21needreboot08:50:240
2172837991512,2cyclictest2278979-21idleruntime-cro08:35:000
2172837991512,2cyclictest2172835-21cyclictest10:20:190
2172837991511,3cyclictest2676479-21kthreadcore12:30:250
2172837991511,3cyclictest2374039-21kworker/u16:1+nfsiod09:53:140
2172837991511,2cyclictest0-21swapper/009:15:010
2172839991412,1cyclictest0-21swapper/210:50:212
217283899148,5cyclictest2303432-21kworker/u16:2-rpciod09:35:451
2172838991412,1cyclictest0-21swapper/107:25:021
2172838991411,2cyclictest2303432-21kworker/u16:2-rpciod09:15:181
2172838991411,2cyclictest2290372-21mailstats08:40:261
2172838991411,2cyclictest2248834-21cat08:10:021
2172838991411,2cyclictest2240602-1atopacctd08:21:041
2172838991411,2cyclictest2172835-21cyclictest07:45:221
2172838991410,3cyclictest2667694-21kthreadcore12:25:231
2172838991410,3cyclictest2531435-21kworker/u16:4+nfsiod12:15:111
2172838991410,3cyclictest2347702-21kworker/u16:3+nfsiod10:29:451
217283799143,2cyclictest2280085-21hddtemp_smartct08:35:200
2172837991412,1cyclictest2315754-21aten2.4-expect09:05:130
2172837991412,1cyclictest2315754-21aten2.4-expect09:05:130
2172837991411,2cyclictest2259797-21needreboot08:15:230
2172837991411,2cyclictest2227255-21kthreadcore07:50:260
2172837991411,2cyclictest2223040-21latency07:45:250
2172837991411,2cyclictest1695-21dbus-daemon09:20:010
2172837991411,2cyclictest0-21swapper/012:30:010
2172837991410,3cyclictest2237415-21cut08:00:210
217283799140,1cyclictest0-21swapper/007:20:290
2172839991311,1cyclictest0-21swapper/207:50:242
2172839991310,1cyclictest0-21swapper/212:20:212
217283899132,5cyclictest2418211-21aten2.4-expect10:05:161
2172838991310,2cyclictest2269258-21kthreadcore08:25:451
2172837991310,2cyclictest2288652-21kthreadcore08:40:220
2172837991310,2cyclictest2270085-21kthreadcore08:25:460
2172837991310,2cyclictest2262909-21kthreadcore08:20:210
2172837991310,2cyclictest2201234-21kthreadcore07:30:230
2172837991310,2cyclictest2182720-21kthreadcore07:15:230
217283999129,1cyclictest0-21swapper/207:55:172
2172839991210,1cyclictest0-21swapper/211:25:252
217283899129,2cyclictest2276593-21kthreadcore08:30:231
217283799111,4cyclictest2172679-21latency_hist07:10:010
2501091104,2phc2sys0-21swapper/307:50:063
250109181,2phc2sys0-21swapper/307:30:273
250109180,2phc2sys0-21swapper/307:05:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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