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2025-12-18 - 14:16
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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 792 highest latencies:
System rackaslot0.osadl.org (updated Thu Dec 18, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216592880,0sleep10-21swapper/123:28:391
312352830,0sleep2790399cyclictest00:21:002
187332800,0sleep2790399cyclictest22:16:352
291022690,0sleep00-21swapper/000:07:120
19332660,0sleep00-21swapper/000:18:100
181602660,0sleep00-21swapper/019:12:400
317722620,0sleep00-21swapper/021:29:540
241192620,0sleep30-21swapper/321:51:563
80632610,0sleep20-21swapper/220:23:032
3502610,0sleep20-21swapper/220:32:242
324392610,0sleep00-21swapper/023:33:560
159082610,0sleep00-21swapper/021:41:320
136122610,0sleep10-21swapper/122:00:281
45082600,0sleep00-21swapper/021:32:140
281772600,0sleep10-21swapper/121:39:211
217402600,0sleep21734-21runrttasks00:11:262
75162590,1sleep00-21swapper/019:40:310
45162590,0sleep00-21swapper/022:36:150
321882590,0sleep20-21swapper/219:15:382
281802590,0sleep30-21swapper/322:24:253
273872590,0sleep20-21swapper/200:17:322
255872590,1sleep28-21rcu_preempt21:16:392
133902590,0sleep00-21swapper/021:00:310
57412580,0sleep00-21swapper/022:27:220
306162580,0sleep228-21rcuc/221:24:442
305292580,0sleep230-21ksoftirqd/222:00:372
292632580,0sleep30-21swapper/319:17:193
282802580,0sleep00-21swapper/020:54:210
141312580,0sleep00-21swapper/023:19:410
119472580,0sleep30-21swapper/322:00:093
268042570,0sleep30-21swapper/321:41:553
242052570,0sleep00-21swapper/000:30:070
241452570,0sleep20-21swapper/223:23:482
240662570,0sleep00-21swapper/022:18:210
200622570,0sleep00-21swapper/020:25:100
161062570,0sleep00-21swapper/021:13:240
153142570,0sleep30-21swapper/300:10:313
86792560,0sleep00-21swapper/019:20:160
8372560,0sleep00-21swapper/023:47:250
82862560,0sleep10-21swapper/121:21:221
6552560,0sleep00-21swapper/023:21:170
57512560,0sleep00-21swapper/022:22:290
257572560,0sleep30-21swapper/323:18:053
255952560,0sleep125583-21perl22:25:161
229402560,0sleep20-21swapper/223:40:272
222332560,0sleep00-21swapper/021:22:210
218582560,0sleep30-21swapper/319:44:393
87622550,0sleep20-21swapper/220:08:132
48022550,0sleep20-21swapper/219:35:052
46542550,0sleep30-21swapper/323:30:133
310292550,0sleep10-21swapper/122:23:351
291272550,0sleep10-21swapper/122:42:131
27252550,1sleep20-21swapper/219:44:452
257102550,5sleep230-21ksoftirqd/221:11:452
250702550,0sleep30-21swapper/323:53:583
245812550,0sleep30-21swapper/321:29:333
224432550,0sleep00-21swapper/023:54:300
220182550,0sleep00-21swapper/023:14:520
162522550,0sleep00-21swapper/021:52:090
162152550,0sleep30-21swapper/320:16:003
97542540,1sleep00-21swapper/022:54:580
319012540,0sleep00-21swapper/022:13:320
298602540,0sleep00-21swapper/021:48:330
26122540,1sleep00-21swapper/023:44:170
239552540,0sleep20-21swapper/219:34:412
187732540,0sleep20-21swapper/223:00:122
136192540,1sleep228-21rcuc/221:58:442
58532530,0sleep30-21swapper/319:10:503
275722530,0sleep10-21swapper/119:17:011
198562530,1sleep10-21swapper/123:52:101
94302520,0sleep30-21swapper/300:15:033
44632520,5sleep230-21ksoftirqd/220:19:192
280062520,0sleep10-21swapper/123:58:511
265722520,0sleep00-21swapper/022:44:120
238882520,0sleep20-21swapper/200:33:342
16342520,2sleep119-21rcuc/119:22:301
163202520,0sleep10-21swapper/121:45:341
320872510,0sleep20-21swapper/223:16:082
269502510,0sleep00-21swapper/020:20:040
235562510,0sleep30-21swapper/319:07:093
185072510,0sleep10-21swapper/122:10:331
167532510,1sleep21734-21runrttasks22:32:212
120632510,1sleep31734-21runrttasks20:22:483
9012500,0sleep00-21swapper/023:29:550
304522500,0sleep30-21swapper/319:50:593
287662500,1sleep319896-21diskmemload22:53:253
283522500,1sleep21734-21runrttasks19:26:432
279672500,0sleep30-21swapper/321:48:323
275612500,0sleep10-21swapper/121:02:031
198352500,0sleep10-21swapper/120:44:171
189312500,0sleep30-21swapper/322:45:533
185722500,0sleep00-21swapper/021:07:070
103332500,1sleep0788999cyclictest23:36:360
79802490,1sleep11734-21runrttasks21:29:071
38672490,0sleep10-21swapper/122:47:101
31542490,1sleep01734-21runrttasks00:26:460
289982490,0sleep10-21swapper/120:26:221
287702490,0sleep20-21swapper/222:42:302
280282490,0sleep10-21swapper/100:36:441
241562490,0sleep20-21swapper/223:10:192
231472490,0sleep30-21swapper/300:02:513
212102490,0sleep10-21swapper/122:56:471
209542490,0sleep10-21swapper/100:04:321
204922490,0sleep00-21swapper/020:11:270
188982490,0sleep30-21swapper/323:03:223
179392490,0sleep00-21swapper/020:47:250
169762490,0sleep10-21swapper/121:17:261
134242490,1sleep228-21rcuc/219:50:502
131922490,0sleep30-21swapper/321:17:233
11862490,1sleep319896-21diskmemload22:12:073
113942490,1sleep31734-21runrttasks19:33:253
77452480,0sleep20-21swapper/200:04:252
51272480,0sleep20-21swapper/221:04:092
44002480,0sleep20-21swapper/222:37:422
320242480,0sleep31734-21runrttasks21:09:153
311002480,0sleep10-21swapper/120:06:081
255492480,1sleep10-21swapper/100:22:231
230052480,0sleep10-21swapper/123:24:391
222912480,0sleep3381ktimersoftd/319:55:123
173162480,1sleep11734-21runrttasks00:08:501
133872480,0sleep10-21swapper/123:06:291
133872480,0sleep10-21swapper/123:06:291
115372480,0sleep20-21swapper/221:28:002
10202480,0sleep20-21swapper/222:13:502
96252470,0sleep20-21swapper/221:31:092
79102470,0sleep10-21swapper/121:10:451
78172470,0sleep30-21swapper/323:20:133
69932470,0sleep00-21swapper/000:02:080
6352470,0sleep10-21swapper/119:56:261
52992470,0sleep20-21swapper/221:45:102
42182470,0sleep30-21swapper/320:59:173
31072470,1sleep119-21rcuc/100:25:041
306982470,1sleep31734-21runrttasks19:28:443
271242470,0sleep30-21swapper/300:32:273
267852470,0sleep20-21swapper/220:00:392
263252470,0sleep21734-21runrttasks20:11:142
199512470,0sleep20-21swapper/223:30:042
162692470,0sleep10-21swapper/120:04:521
161972470,0sleep10-21swapper/122:36:041
149072470,0sleep30-21swapper/322:44:243
77982460,0sleep21734-21runrttasks20:48:112
7642460,0sleep20-21swapper/221:07:492
68962460,0sleep10-21swapper/123:17:541
5462460,1sleep31734-21runrttasks23:25:543
290122460,1sleep21734-21runrttasks00:08:382
239622460,0sleep30-21swapper/320:49:273
185152460,0sleep10-21swapper/121:55:031
149402460,1sleep2790399cyclictest20:57:402
12222460,0sleep20-21swapper/221:53:272
88602450,0sleep30-21swapper/321:35:263
81702450,0sleep10-21swapper/120:35:201
77142450,0sleep10-21swapper/121:31:081
76572450,0sleep00-21swapper/019:57:220
57012450,0sleep00-21swapper/020:36:270
49302450,0sleep30-21swapper/323:45:443
326572450,0sleep10-21swapper/120:13:171
312882450,0sleep00-21swapper/022:56:190
306662450,0sleep00-21swapper/019:39:350
284312450,0sleep30-21swapper/322:06:543
175912450,0sleep30-21swapper/320:35:413
3772440,0sleep10-21swapper/121:41:411
33832440,0sleep00-21swapper/019:30:290
320692440,0sleep00-21swapper/023:04:560
273802440,0sleep10-21swapper/120:19:131
212732440,0sleep10-21swapper/120:45:091
204952440,0sleep10-21swapper/120:24:181
168992440,0sleep30-21swapper/300:29:463
150582440,0sleep10-21swapper/123:49:511
5942430,0sleep00-21swapper/021:15:170
327232430,0sleep10-21swapper/119:25:551
327052430,0sleep00-21swapper/019:46:440
289482430,0sleep20-21swapper/222:09:302
191652430,0sleep20-21swapper/219:14:052
179432430,0sleep30-21swapper/323:07:223
179432430,0sleep30-21swapper/323:07:223
173052430,0sleep00-21swapper/019:18:040
162572430,1sleep31734-21runrttasks23:13:243
107662430,0sleep210767-21lockdev20:27:552
208742420,0sleep00-21swapper/020:30:180
207482420,0sleep20-21swapper/223:09:432
207482420,0sleep20-21swapper/223:09:422
189932420,0sleep30-21swapper/320:07:093
108512420,0sleep00-21swapper/000:21:580
284872410,0sleep10-21swapper/119:40:081
27422400,1sleep21734-21runrttasks23:59:132
174382400,0sleep00-21swapper/021:55:540
234072390,1sleep30-21swapper/320:12:543
207712370,1sleep00-21swapper/019:08:030
318252220,0sleep20-21swapper/222:50:512
788999192,12cyclictest29710-21kworker/0:119:50:010
62542190,0sleep30-21swapper/322:17:203
326142190,0sleep10-21swapper/119:05:111
304272190,0sleep20-21swapper/200:27:532
185242190,1sleep119-21rcuc/121:50:101
140882190,0sleep10-21swapper/119:45:081
161972180,0sleep30-21swapper/321:01:583
72742170,0sleep2291ktimersoftd/222:22:472
116132170,0sleep10-21swapper/122:16:141
788999168,7cyclictest0-21swapper/020:58:570
788999160,15cyclictest4854-21lockdev23:06:070
788999160,15cyclictest4854-21lockdev23:06:070
291532160,0sleep30-21swapper/319:24:443
280632160,0sleep00-21swapper/022:32:270
179812160,0sleep10-21swapper/122:07:401
7912991513,1cyclictest16913-21minicom20:41:233
789699155,9cyclictest22584-21lockdev23:00:331
7896991513,1cyclictest3258-21minicom20:50:431
7896991511,3cyclictest13659-21lockdev19:12:021
789699151,13cyclictest0-21swapper/119:51:091
788999155,1cyclictest9936-21lockdev21:36:000
788999155,1cyclictest3460-21minicom20:01:200
38782150,0sleep10-21swapper/119:37:031
321112150,0sleep00-21swapper/022:47:250
313652150,0sleep00-21swapper/019:27:530
268732150,0sleep10-21swapper/120:56:541
26412150,1sleep32642-21minicom21:58:213
152122150,0sleep00-21swapper/022:06:470
791299149,4cyclictest0-21swapper/320:27:433
791299149,4cyclictest0-21swapper/319:35:203
791299149,4cyclictest0-21swapper/300:06:083
791299144,9cyclictest26800-21lockdev22:26:593
791299144,9cyclictest1677-21lockdev22:56:373
7912991412,1cyclictest4303-21lockdev23:55:303
7912991412,1cyclictest19096-21lockdev21:32:053
7912991412,1cyclictest13849-21lockdev21:10:313
7912991412,1cyclictest1355-21lockdev20:32:243
791299140,13cyclictest0-21swapper/323:42:303
790399149,4cyclictest0-21swapper/221:36:462
790399140,13cyclictest0-21swapper/220:36:112
789699149,4cyclictest0-21swapper/122:30:361
789699149,1cyclictest0-21swapper/123:36:151
789699149,1cyclictest0-21swapper/100:17:031
789699144,9cyclictest2028-21lockdev19:33:201
789699144,1cyclictest16768-21minicom00:34:391
789699141,12cyclictest0-21swapper/100:10:021
789699140,13cyclictest0-21swapper/121:07:571
789699140,12cyclictest0-21swapper/122:50:171
788999149,4cyclictest0-21swapper/020:16:020
253722140,0sleep20-21swapper/220:53:122
155722140,0sleep30-21swapper/321:19:593
155232140,0sleep121-21ksoftirqd/123:13:571
791299138,4cyclictest0-21swapper/322:37:023
791299138,4cyclictest0-21swapper/319:46:393
791299130,12cyclictest27421-21lockdev20:50:043
791299130,12cyclictest1208-21minicom22:30:123
791299130,12cyclictest0-21swapper/320:01:213
791299130,12cyclictest0-21swapper/300:37:253
791299130,12cyclictest0-21swapper/300:21:373
790399138,4cyclictest2715-21lockdev23:37:402
790399133,9cyclictest30-21ksoftirqd/222:45:562
790399130,4cyclictest212462sleep223:46:282
790399130,12cyclictest7964-21lockdev19:20:502
790399130,12cyclictest25367-21minicom23:52:492
790399130,12cyclictest15748-21lockdev23:25:442
790399130,12cyclictest0-21swapper/222:55:032
790399130,12cyclictest0-21swapper/219:55:252
790399130,12cyclictest0-21swapper/219:45:052
789699130,12cyclictest9655-21minicom23:31:371
789699130,12cyclictest0-21swapper/120:32:261
788999139,4cyclictest810-40kipmi022:00:170
788999139,3cyclictest0-21swapper/023:55:000
788999130,12cyclictest9495-21lockdev20:41:030
788999130,12cyclictest13133-21lockdev20:05:410
788999130,12cyclictest0-21swapper/000:35:480
267662130,0sleep20-21swapper/220:42:382
21882130,0sleep00-21swapper/000:10:250
112442130,6sleep121-21ksoftirqd/123:40:381
791299120,3cyclictest9655-21minicom23:35:363
790399129,2cyclictest0-21swapper/200:35:252
790399127,4cyclictest0-21swapper/222:26:092
790399120,11cyclictest0-21swapper/221:42:222
153762128,2sleep217750-21minicom19:05:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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