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2025-11-14 - 20:42
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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 rack7slot0.osadl.org (updated Fri Nov 14, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117950620,0irq/26-eth1-rx-0-21swapper/307:05:243
110050620,0irq/25-eth00-21swapper/207:06:142
117950570,0irq/26-eth1-rx-0-21swapper/107:05:101
117950490,0irq/26-eth1-rx-0-21swapper/007:05:500
21274991918,0cyclictest5363-21kworker/0:109:52:480
21274991918,0cyclictest5363-21kworker/0:109:52:480
110050160,0irq/25-eth00-21swapper/012:21:110
21275991514,0cyclictest0-21swapper/111:05:571
21274991512,0cyclictest0-21swapper/010:05:370
2127499150,0cyclictest6942-21sshd12:27:550
2127499150,0cyclictest6942-21sshd12:27:550
110050150,0irq/25-eth023917-21sshd10:58:521
21277991413,0cyclictest0-21swapper/310:31:083
21277991411,0cyclictest25284-21sshd10:36:213
21277991411,0cyclictest0-21swapper/309:40:293
2127799140,0cyclictest0-21swapper/310:25:193
21276991413,0cyclictest0-21swapper/210:55:452
2127699140,0cyclictest0-21swapper/212:31:212
2127599144,0cyclictest29115-21sshd10:00:171
2127599144,0cyclictest29115-21sshd10:00:171
2127599140,0cyclictest0-21swapper/111:45:131
21274991413,0cyclictest0-21swapper/009:11:290
21274991412,0cyclictest0-21swapper/009:28:480
191140,0ktimersoftd/10-21swapper/111:53:561
21277991312,0cyclictest1512-21sshd11:05:103
21277991311,0cyclictest0-21swapper/310:00:353
21277991311,0cyclictest0-21swapper/310:00:353
2127799131,0cyclictest0-21swapper/310:24:443
21276991312,0cyclictest11986-21sshd10:16:292
21276991312,0cyclictest10591-21bash09:36:322
2127699130,0cyclictest0-21swapper/210:53:262
21275991312,0cyclictest0-21swapper/109:48:501
21275991312,0cyclictest0-21swapper/109:36:521
2127599130,0cyclictest0-21swapper/111:04:131
21274991312,0cyclictest12634-21sshd10:23:580
21274991311,0cyclictest0-21swapper/011:28:550
351120,0ktimersoftd/312441-21sshd11:23:383
21277991211,0cyclictest0-21swapper/310:41:003
21277991211,0cyclictest0-21swapper/309:20:513
21277991210,0cyclictest0-21swapper/307:29:553
2127799120,0cyclictest427-21bash10:18:563
2127799120,0cyclictest0-21swapper/311:04:003
2127799120,0cyclictest0-21swapper/309:33:453
2127699122,0cyclictest0-21swapper/211:14:342
21276991211,0cyclictest13196-21diskmemload09:24:132
21276991211,0cyclictest0-21swapper/209:47:202
21275991211,0cyclictest0-21swapper/109:24:331
2127599120,0cyclictest0-21swapper/110:42:231
2127599120,0cyclictest0-21swapper/110:05:261
21274991211,0cyclictest0-21swapper/010:48:430
21274991211,0cyclictest0-21swapper/009:39:570
2127499120,0cyclictest0-21swapper/011:05:550
2127499120,0cyclictest0-21swapper/011:03:400
110050120,0irq/25-eth029559-21sshd11:21:521
110050120,0irq/25-eth015508-21bash09:33:232
41110,0ktimersoftd/08640-21sshd09:47:020
41110,0ktimersoftd/028210-21sshd12:12:240
41110,0ktimersoftd/014926-21sshd11:31:320
41110,0ktimersoftd/010626-21sshd09:43:410
41110,0ktimersoftd/00-21swapper/011:43:340
41110,0ktimersoftd/00-21swapper/010:50:010
21277991110,0cyclictest0-21swapper/309:14:423
2127799110,0cyclictest14838-21sshd12:28:503
2127799110,0cyclictest14838-21sshd12:28:493
2127799110,0cyclictest0-21swapper/311:40:173
2127799110,0cyclictest0-21swapper/307:17:433
21276991111,0cyclictest0-21swapper/211:28:372
21276991110,0cyclictest23294-21sshd10:25:122
21276991110,0cyclictest0-21swapper/212:35:252
21276991110,0cyclictest0-21swapper/212:18:382
21276991110,0cyclictest0-21swapper/210:21:082
2127699110,0cyclictest0-21swapper/208:59:282
2127699110,0cyclictest0-21swapper/208:24:372
2127599119,0cyclictest0-21swapper/107:47:251
21275991111,0cyclictest0-21swapper/109:17:481
21275991111,0cyclictest0-21swapper/109:11:391
21275991111,0cyclictest0-21swapper/107:33:441
21275991110,0cyclictest0-21swapper/111:56:441
2127599110,0cyclictest0-21swapper/112:30:141
2127599110,0cyclictest0-21swapper/107:35:481
2127599110,0cyclictest0-21swapper/107:11:391
21274991111,0cyclictest0-21swapper/012:30:150
21274991111,0cyclictest0-21swapper/008:25:350
21274991110,0cyclictest17249-21sshd11:46:040
2127499110,0cyclictest0-21swapper/009:33:480
2127499110,0cyclictest0-21swapper/009:22:380
2127499110,0cyclictest0-21swapper/007:39:420
2127499110,0cyclictest0-21swapper/007:27:450
2127499110,0cyclictest0-21swapper/007:17:110
1499110,0migration/02580-21sshd11:11:060
110050110,0irq/25-eth023620-21bash09:55:560
110050110,0irq/25-eth00-21swapper/311:57:403
110050110,0irq/25-eth00-21swapper/310:47:103
110050110,0irq/25-eth00-21swapper/210:01:092
110050110,0irq/25-eth00-21swapper/210:01:092
110050110,0irq/25-eth00-21swapper/110:17:511
110050110,0irq/25-eth00-21swapper/011:55:030
41100,0ktimersoftd/08087-21sshd11:19:240
41100,0ktimersoftd/029969-21rm12:05:230
41100,0ktimersoftd/021554-21bash10:55:040
41100,0ktimersoftd/013719-21sshd12:17:500
41100,0ktimersoftd/013196-21diskmemload09:16:390
41100,0ktimersoftd/010857-21sshd11:38:210
271100,0ktimersoftd/23491-21sshd11:41:062
2127799109,0cyclictest8103-21munin-node12:10:123
2127799109,0cyclictest14673-21diskstats11:35:133
2127799109,0cyclictest110050irq/25-eth011:13:153
2127799101,0cyclictest0-21swapper/309:35:233
2127799100,0cyclictest1453-21nfsd09:28:013
2127799100,0cyclictest0-21swapper/312:00:303
2127799100,0cyclictest0-21swapper/308:45:113
2127699109,0cyclictest29990-21ntp_states09:15:482
2127699109,0cyclictest0-21swapper/209:50:492
2127699109,0cyclictest0-21swapper/209:50:492
2127699109,0cyclictest0-21swapper/209:11:542
21276991010,0cyclictest0-21swapper/208:54:432
2127599109,0cyclictest3582-21irqstats10:45:171
2127599109,0cyclictest1512-21sshd11:16:111
21275991010,0cyclictest0-21swapper/109:30:421
21275991010,0cyclictest0-21swapper/108:53:031
21275991010,0cyclictest0-21swapper/108:31:281
21275991010,0cyclictest0-21swapper/108:01:421
21275991010,0cyclictest0-21swapper/107:55:271
21275991010,0cyclictest0-21swapper/107:42:401
21275991010,0cyclictest0-21swapper/107:23:501
2127599100,0cyclictest13247-21sshd10:27:431
2127499109,0cyclictest0-21swapper/010:25:430
2127499104,0cyclictest31496-21sshd11:51:180
21274991010,0cyclictest0-21swapper/009:07:050
21274991010,0cyclictest0-21swapper/008:45:280
21274991010,0cyclictest0-21swapper/008:33:370
2127499100,0cyclictest0-21swapper/008:54:030
2127499100,0cyclictest0-21swapper/007:33:270
2127499100,0cyclictest0-21swapper/007:10:050
1499100,0migration/027145-21cstates07:20:130
110050100,0irq/25-eth08917-21sshd10:16:090
110050100,0irq/25-eth030027-21sshd12:23:113
110050100,0irq/25-eth02127599cyclictest11:26:541
110050100,0irq/25-eth015377-21df10:35:150
110050100,0irq/25-eth00-21swapper/312:39:013
110050100,0irq/25-eth00-21swapper/011:22:440
995090,0irq/24-0000:00:18132-21sshd11:39:112
4190,0ktimersoftd/026625-21sshd12:36:430
4190,0ktimersoftd/00-21swapper/008:41:170
27190,0ktimersoftd/20-21swapper/208:19:032
27190,0ktimersoftd/20-21swapper/207:44:542
212779999,0cyclictest0-21swapper/309:07:023
212779999,0cyclictest0-21swapper/307:24:263
212779998,0cyclictest26778-21sshd09:19:443
212779998,0cyclictest25181-21fw_forwarded_lo09:45:143
212779998,0cyclictest20320-21bash11:50:103
212779990,0cyclictest17786-21cp09:55:193
212779990,0cyclictest0-21swapper/311:30:053
212779990,0cyclictest0-21swapper/307:46:313
212769999,0cyclictest0-21swapper/208:40:252
212769999,0cyclictest0-21swapper/207:25:512
212769999,0cyclictest0-21swapper/207:21:182
212769998,0cyclictest8537-21sshd11:52:252
212769998,0cyclictest7995-21sshd10:05:062
212769998,0cyclictest0-21swapper/207:33:592
212769990,0cyclictest0-21swapper/211:02:102
212759999,0cyclictest0-21swapper/112:00:471
212759999,0cyclictest0-21swapper/109:06:401
212759999,0cyclictest0-21swapper/108:56:191
212759998,0cyclictest6912-21sshd12:20:341
212759998,0cyclictest13196-21diskmemload09:51:091
212759998,0cyclictest13196-21diskmemload09:51:091
212759998,0cyclictest0-21swapper/112:15:231
212759998,0cyclictest0-21swapper/112:10:051
212759998,0cyclictest0-21swapper/107:52:471
212749999,0cyclictest0-21swapper/008:39:330
212749999,0cyclictest0-21swapper/008:16:050
11795090,0irq/26-eth1-rx-0-21swapper/109:56:141
11795090,0irq/26-eth1-rx-0-21swapper/109:42:031
11005090,0irq/25-eth07274-21sshd10:01:270
11005090,0irq/25-eth07274-21sshd10:01:260
11005090,0irq/25-eth020-21ksoftirqd/112:39:201
11005090,0irq/25-eth019904-21sshd12:04:240
11005090,0irq/25-eth011449-21sshd10:12:483
11005090,0irq/25-eth011449-21sshd10:12:483
11005090,0irq/25-eth00-21swapper/312:32:173
11005090,0irq/25-eth00-21swapper/310:55:243
11005090,0irq/25-eth00-21swapper/010:43:100
11005090,0irq/25-eth00-21swapper/010:30:050
4180,0ktimersoftd/00-21swapper/010:11:180
4180,0ktimersoftd/00-21swapper/010:11:180
212779988,0cyclictest0-21swapper/308:58:403
212779988,0cyclictest0-21swapper/307:10:523
212779987,0cyclictest0-21swapper/307:56:443
212769988,0cyclictest110050irq/25-eth011:45:552
212769988,0cyclictest110050irq/25-eth010:39:342
212769988,0cyclictest0-21swapper/207:37:352
212769988,0cyclictest0-21swapper/207:19:482
212769987,0cyclictest26246-21sshd09:41:502
212769987,0cyclictest110050irq/25-eth012:13:182
212769987,0cyclictest0-21swapper/209:02:082
212769982,0cyclictest0-21swapper/212:20:162
212769982,0cyclictest0-21swapper/209:59:362
212769980,0cyclictest25485-21sshd10:32:452
212769980,0cyclictest0-21swapper/212:05:032
212769980,0cyclictest0-21swapper/211:56:472
212769980,0cyclictest0-21swapper/211:23:392
212769980,0cyclictest0-21swapper/209:07:292
212759988,0cyclictest0-21swapper/108:40:381
212759988,0cyclictest0-21swapper/108:26:061
212759988,0cyclictest0-21swapper/108:20:471
212759988,0cyclictest0-21swapper/107:25:571
212759987,0cyclictest13196-21diskmemload12:05:261
212759980,0cyclictest10171-21sshd10:50:031
212759980,0cyclictest0-21swapper/110:38:081
212749988,0cyclictest0-21swapper/009:00:340
212749988,0cyclictest0-21swapper/008:09:140
11795080,0irq/26-eth1-rx-28-21ksoftirqd/211:30:162
11005080,0irq/25-eth08949-21df10:05:093
11005080,0irq/25-eth06092-21bash12:02:492
11005080,0irq/25-eth036-21ksoftirqd/311:47:503
11005080,0irq/25-eth036-21ksoftirqd/311:17:213
11005080,0irq/25-eth025791-21sshd11:29:093
11005080,0irq/25-eth020-21ksoftirqd/111:32:421
11005080,0irq/25-eth020-21ksoftirqd/110:30:191
11005080,0irq/25-eth017208-21sshd10:50:433
11005080,0irq/25-eth014493-21sshd09:51:193
11005080,0irq/25-eth014493-21sshd09:51:183
339970,0migration/327199-21sshd12:15:393
259970,0migration/215231-21bash12:25:092
259970,0migration/215231-21bash12:25:092
212779977,0cyclictest0-21swapper/308:35:543
212779970,0cyclictest0-21swapper/308:20:163
212769977,0cyclictest0-21swapper/208:33:342
212769976,0cyclictest4994-21fw_forwarded_lo11:15:152
212759977,0cyclictest0-21swapper/108:13:201
212759977,0cyclictest0-21swapper/107:15:571
212759970,0cyclictest0-21swapper/110:10:031
212759970,0cyclictest0-21swapper/110:10:031
212749977,0cyclictest0-21swapper/008:20:510
212749971,0cyclictest0-21swapper/008:55:170
212749970,0cyclictest0-21swapper/007:40:150
11795070,0irq/26-eth1-rx-7587-21sshd11:11:461
11005070,0irq/25-eth032440-21sshd10:45:002
11005070,0irq/25-eth020-21ksoftirqd/112:25:331
11005070,0irq/25-eth020-21ksoftirqd/112:25:331
11005070,0irq/25-eth020-21ksoftirqd/111:40:031
11005070,0irq/25-eth020-21ksoftirqd/109:25:131
11005070,0irq/25-eth018714-21taskset11:05:422
11005070,0irq/25-eth017230-21sshd10:20:431
11005070,0irq/25-eth017150-21sshd12:07:393
11005070,0irq/25-eth015912-21sshd09:25:512
11005070,0irq/25-eth015850-21sshd10:46:532
11005070,0irq/25-eth015350-21bash11:35:151
212779965,0cyclictest22865-21kworker/3:108:50:123
212779965,0cyclictest22865-21kworker/3:108:10:093
212779965,0cyclictest22865-21kworker/3:107:40:103
212779965,0cyclictest22865-21kworker/3:107:30:113
212779965,0cyclictest10075-21munin-node09:00:193
212779962,0cyclictest0-21swapper/308:40:173
212779962,0cyclictest0-21swapper/308:30:193
212779962,0cyclictest0-21swapper/308:25:203
212779962,0cyclictest0-21swapper/308:15:163
212779962,0cyclictest0-21swapper/308:05:163
212779962,0cyclictest0-21swapper/308:00:213
212779962,0cyclictest0-21swapper/307:50:173
212779962,0cyclictest0-21swapper/307:35:163
212769966,0cyclictest0-21swapper/208:00:212
212769965,0cyclictest13196-21diskmemload10:10:012
212769965,0cyclictest13196-21diskmemload10:10:012
212769962,0cyclictest0-21swapper/208:45:162
212769962,0cyclictest0-21swapper/208:25:202
212769962,0cyclictest0-21swapper/208:10:162
212769962,0cyclictest0-21swapper/207:10:152
212769960,0cyclictest0-21swapper/207:56:452
212759966,0cyclictest0-21swapper/108:08:351
212759965,0cyclictest21616-21timerandwakeup08:15:231
212759962,0cyclictest0-21swapper/108:35:161
212759961,0cyclictest0-21swapper/109:00:131
212759961,0cyclictest0-21swapper/108:45:151
212749964,0cyclictest0-21swapper/008:10:120
212749962,0cyclictest0-21swapper/008:00:200
212749962,0cyclictest0-21swapper/007:55:120
212749962,0cyclictest0-21swapper/007:50:170
149960,0migration/06856-21runrttasks07:45:140
212769954,0cyclictest29739-21cstates08:35:132
212769951,0cyclictest0-21swapper/208:05:162
212769951,0cyclictest0-21swapper/207:50:172
212769950,0cyclictest0-21swapper/207:45:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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