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2025-11-03 - 02:40
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Mon Nov 03, 2025 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1444121390,0sleep70-21swapper/700:32:257
2425221370,1sleep2407699cyclictest00:23:162
2533121130,0sleep40-21swapper/422:44:194
1259221060,0sleep00-21swapper/021:34:190
57172920,1sleep0121rcuc/022:45:280
140012920,0sleep10-21swapper/122:52:581
131782920,1sleep60-21swapper/600:15:176
41252890,1sleep70-21swapper/700:38:027
133102850,0sleep10-21swapper/123:45:231
52842840,0sleep20-21swapper/223:21:372
38582840,0sleep20-21swapper/200:34:452
27532810,1sleep20-21swapper/223:18:072
224342810,0sleep70-21swapper/723:43:057
178662790,1sleep6671rcuc/621:54:296
312032760,1sleep71036-21runrttasks22:18:427
260312760,0sleep40-21swapper/423:00:384
230712760,0sleep40-21swapper/423:49:514
315432750,0sleep10-21swapper/122:18:441
119102750,1sleep778-21ksoftirqd/722:46:077
6792740,0sleep10-21swapper/100:27:471
100432740,1sleep40-21swapper/423:31:574
100432740,1sleep40-21swapper/423:31:564
292562730,1sleep50-21swapper/523:47:035
172822720,0sleep70-21swapper/721:11:507
108102720,0sleep60-21swapper/623:41:526
317922710,1sleep5591ktimersoftd/523:20:595
207742710,0sleep30-21swapper/300:09:293
58242700,0sleep30-21swapper/321:23:483
223642700,1sleep3411ktimersoftd/322:24:233
186522700,0sleep30-21swapper/323:13:123
110112700,0sleep00-21swapper/000:05:100
268132690,0sleep70-21swapper/700:13:267
209062680,0sleep50-21swapper/522:14:235
267372670,0sleep30-21swapper/321:48:493
381625947,7sleep60-21swapper/619:09:406
320262590,0sleep50-21swapper/522:05:345
320262590,0sleep50-21swapper/522:05:345
379925848,6sleep70-21swapper/719:09:257
180525242,6sleep40-21swapper/419:05:044
349424838,6sleep10-21swapper/119:05:351
90372440,0sleep20-21swapper/222:36:002
377724422,7sleep30-21swapper/319:09:053
164124432,7sleep00-21swapper/019:05:000
180624332,7sleep50-21swapper/519:05:055
373824130,6sleep20-21swapper/219:08:402
141512290,0sleep10-21swapper/123:06:041
159692270,1sleep10-21swapper/122:59:471
11572240,1sleep00-21swapper/023:54:120
326692230,1sleep342-21ksoftirqd/323:17:523
323682230,1sleep70-21swapper/723:01:217
284162230,1sleep7662-21gdbus23:53:397
3292220,0sleep40-21swapper/422:25:204
275302220,1sleep5581rcuc/523:10:415
259732220,1sleep20-21swapper/200:10:002
136552220,4sleep1407099cyclictest22:20:121
8572210,1sleep6671rcuc/623:21:086
61202210,4sleep3408299cyclictest00:04:413
15822210,0sleep60-21swapper/620:10:116
226272200,1sleep30-21swapper/321:18:593
154532200,0sleep60-21swapper/600:35:466
145582200,0sleep60-21swapper/623:45:286
71602190,0sleep60-21swapper/600:24:556
311042190,0sleep5581rcuc/521:16:295
167752190,0sleep10-21swapper/122:07:221
167752190,0sleep10-21swapper/122:07:221
162872190,1sleep3411ktimersoftd/300:35:503
407099180,10cyclictest0-21swapper/123:25:001
325302180,1sleep40-21swapper/421:10:114
315582180,0sleep5591ktimersoftd/500:34:165
294392180,0sleep10-21swapper/121:45:421
274942180,0sleep20-21swapper/221:32:292
180802180,0sleep70-21swapper/723:13:087
4101991714,2cyclictest465-21systemd-journal23:03:276
407099173,10cyclictest0-21swapper/100:17:121
299512170,0sleep10-21swapper/123:20:471
195502170,0sleep50-21swapper/521:51:155
184872170,0sleep40-21swapper/400:02:334
150612170,1sleep70-21swapper/700:08:537
150492170,3sleep1407099cyclictest23:42:191
14852170,0sleep11471-21sshd00:07:271
106512170,0sleep70-21swapper/722:39:347
70792160,0sleep40-21swapper/400:21:244
4094991613,2cyclictest16961-21sshd22:20:245
407699160,15cyclictest0-21swapper/220:20:232
319262160,0sleep40-21swapper/421:23:084
253842160,0sleep60-21swapper/623:56:346
248242160,0sleep00-21swapper/000:36:430
217252160,0sleep10-21swapper/122:37:191
16722160,2sleep60-21swapper/622:41:496
410699154,6cyclictest3896-21sshd21:43:137
410699152,6cyclictest0-21swapper/723:55:387
4101991511,2cyclictest0-21swapper/621:39:506
410199150,13cyclictest14317-21sshd22:16:566
4094991512,2cyclictest660-21dbus-daemon22:59:485
409499150,13cyclictest0-21swapper/523:51:465
4089991511,2cyclictest0-21swapper/400:28:574
408299150,13cyclictest0-21swapper/323:24:543
4076991511,3cyclictest0-21swapper/222:09:332
4076991511,3cyclictest0-21swapper/222:09:332
407099153,10cyclictest0-21swapper/121:08:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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