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2025-11-18 - 04:51
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackbslot4.osadl.org (updated Tue Nov 18, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21797997814,35cyclictest24962-21iostat_ios17:07:393
21797997511,5cyclictest0-21swapper/317:04:273
21797997511,5cyclictest0-21swapper/317:04:273
2179799748,33cyclictest0-21swapper/316:27:033
2179799732,7cyclictest26647-21cut17:57:183
21797997211,31cyclictest0-21swapper/315:50:023
2179799704,17cyclictest0-21swapper/317:39:543
2179799648,34cyclictest0-21swapper/318:11:153
2179799627,7cyclictest0-21swapper/317:47:193
2179099616,48cyclictest0-21swapper/215:52:112
2179099604,49cyclictest0-21swapper/216:42:202
2179099603,6cyclictest0-21swapper/217:12:192
2179099585,47cyclictest0-21swapper/215:19:222
2179099585,47cyclictest0-21swapper/215:19:222
2179099585,47cyclictest0-21swapper/215:04:022
2178299584,49cyclictest0-21swapper/118:04:381
211482579,15sleep00-21swapper/012:57:550
2179099564,47cyclictest0-21swapper/218:06:432
2150125610,39sleep20-21swapper/213:01:552
2179099554,46cyclictest0-21swapper/216:32:132
2179099554,46cyclictest0-21swapper/214:28:032
2179099544,44cyclictest0-21swapper/216:47:462
21790995416,6cyclictest27523-21ls15:37:392
2179099532,7cyclictest32488-21kworker/2:017:03:092
2179099532,7cyclictest32488-21kworker/2:017:03:092
2179099532,19cyclictest7430-21ssh15:55:292
2178299535,42cyclictest0-21swapper/115:27:491
2178299533,45cyclictest0-21swapper/118:32:171
21782995310,38cyclictest4767-21latency_hist13:42:241
2179799524,42cyclictest0-21swapper/315:06:363
2179099526,41cyclictest0-21swapper/218:18:482
2179099526,41cyclictest0-21swapper/218:18:482
2179099524,43cyclictest0-21swapper/215:09:522
2179099524,42cyclictest0-21swapper/215:34:112
2178299525,42cyclictest0-21swapper/117:20:291
2178299524,23cyclictest0-21swapper/117:15:361
21782995211,35cyclictest0-21swapper/115:17:411
21782995211,35cyclictest0-21swapper/115:17:411
2178299521,45cyclictest26519-21ssh16:22:421
2179799513,42cyclictest0-21swapper/317:25:093
2179099514,7cyclictest0-21swapper/217:51:282
2179099514,42cyclictest0-21swapper/217:34:392
2179099514,42cyclictest0-21swapper/215:44:212
2179099514,42cyclictest0-21swapper/215:27:112
2179099514,14cyclictest0-21swapper/214:07:342
2179099514,14cyclictest0-21swapper/214:07:342
2179099513,44cyclictest0-21swapper/214:37:462
2179099513,43cyclictest0-21swapper/216:00:012
2179099513,43cyclictest0-21swapper/215:27:572
2179099513,42cyclictest0-21swapper/218:25:072
2179099513,42cyclictest0-21swapper/218:25:072
2179099513,42cyclictest0-21swapper/216:02:252
2179099513,16cyclictest0-21swapper/217:27:432
2178299517,38cyclictest23905-21ssh15:32:381
2179799504,6cyclictest0-21swapper/316:05:513
2179799504,21cyclictest0-21swapper/316:33:193
2179099504,42cyclictest0-21swapper/216:25:402
2179099504,21cyclictest0-21swapper/217:19:222
2179099503,42cyclictest0-21swapper/217:02:092
2179099503,41cyclictest10647-21timerandwakeup15:12:522
2178299508,36cyclictest13660-21ssh18:26:391
2178299508,36cyclictest13660-21ssh18:26:391
2178299508,36cyclictest1097-21missed_timers16:32:441
2178299507,38cyclictest23757-21sshd17:06:231
2178299507,38cyclictest23757-21sshd17:06:231
2178299507,37cyclictest0-21swapper/116:38:181
2178299506,38cyclictest0-21swapper/117:31:211
2178299504,41cyclictest0-21swapper/117:38:381
2178299503,42cyclictest0-21swapper/116:30:501
2178299503,42cyclictest0-21swapper/116:19:281
21782995011,33cyclictest19002-21ssh15:25:431
2178299500,44cyclictest29890-21/usr/sbin/munin13:22:461
2179799496,37cyclictest0-21swapper/317:58:063
2179799494,39cyclictest0-21swapper/318:03:423
2179799494,38cyclictest0-21swapper/313:32:533
2179799494,10cyclictest0-21swapper/315:34:513
2179799493,41cyclictest0-21swapper/318:21:283
2179799493,41cyclictest0-21swapper/318:21:283
2179799493,40cyclictest12291-21ssh17:36:303
2179799493,11cyclictest0-21swapper/315:31:513
21797994917,7cyclictest2402-21diskmemload16:11:163
21797994917,7cyclictest2402-21diskmemload16:11:163
2179099494,40cyclictest0-21swapper/214:57:372
2179099494,39cyclictest0-21swapper/218:02:182
2179099494,39cyclictest0-21swapper/216:34:572
2179099494,14cyclictest0-21swapper/217:42:512
2179099493,40cyclictest0-21swapper/216:16:502
2179099493,40cyclictest0-21swapper/216:16:502
2179099493,10cyclictest0-21swapper/217:14:092
21790994910,33cyclictest0-21swapper/216:08:112
21790994910,33cyclictest0-21swapper/216:08:112
2178299498,36cyclictest7917-21latency16:42:401
2178299498,35cyclictest27671-21ntp_offset17:57:421
2178299496,37cyclictest24161-21kworker/1:017:48:411
2178299496,37cyclictest0-21swapper/118:19:301
2178299496,37cyclictest0-21swapper/118:19:301
2178299496,37cyclictest0-21swapper/118:08:281
2178299496,37cyclictest0-21swapper/116:59:031
2178299496,37cyclictest0-21swapper/115:57:021
2178299495,39cyclictest27949-21swap15:37:481
2178299494,40cyclictest0-21swapper/117:44:581
2178299493,40cyclictest0-21swapper/113:52:231
21782994911,33cyclictest12889-21rt-features16:02:471
2179799484,39cyclictest0-21swapper/316:55:003
2179799484,20cyclictest0-21swapper/318:25:303
2179799484,20cyclictest0-21swapper/318:25:303
21797994811,31cyclictest0-21swapper/316:39:353
21797994811,31cyclictest0-21swapper/315:08:023
2179099484,40cyclictest0-21swapper/214:33:592
2179099484,38cyclictest0-21swapper/218:29:132
2179099484,38cyclictest0-21swapper/216:52:522
2179099484,38cyclictest0-21swapper/214:12:352
2179099484,37cyclictest0-21swapper/217:25:422
2179099483,40cyclictest0-21swapper/216:43:102
21790994812,30cyclictest0-21swapper/217:53:032
21790994810,32cyclictest0-21swapper/216:17:592
2178299489,6cyclictest23372-21/usr/sbin/munin17:52:351
2178299489,31cyclictest0-21swapper/114:22:231
2178299488,34cyclictest12171-21ssh17:36:141
2178299487,35cyclictest24267-21/usr/sbin/munin13:07:551
2178299487,35cyclictest20947-21switchtime14:22:501
2178299486,37cyclictest0-21swapper/116:48:171
2178299486,37cyclictest0-21swapper/116:11:571
2178299486,37cyclictest0-21swapper/116:11:571
2178299486,37cyclictest0-21swapper/115:43:171
2178299485,38cyclictest0-21swapper/113:27:521
2178299485,10cyclictest0-21swapper/113:02:531
2178299484,39cyclictest0-21swapper/115:11:161
21782994811,6cyclictest4294-21chrt15:51:191
2179799478,33cyclictest0-21swapper/317:17:013
2179799478,33cyclictest0-21swapper/316:52:093
2179799477,35cyclictest15264-21timerandwakeup18:27:503
2179799475,36cyclictest0-21swapper/316:12:463
2179799475,36cyclictest0-21swapper/316:12:463
2179799474,9cyclictest0-21swapper/317:17:493
2179799474,37cyclictest0-21swapper/315:27:123
2179799473,40cyclictest0-21swapper/315:16:023
21797994712,29cyclictest0-21swapper/315:46:583
2179099474,37cyclictest0-21swapper/218:08:082
2179099474,37cyclictest0-21swapper/213:57:502
2179099474,37cyclictest0-21swapper/213:52:402
2178299478,33cyclictest0-21swapper/115:04:461
2178299477,35cyclictest739-21/usr/sbin/munin14:57:431
2178299477,35cyclictest4859-21ssh17:25:301
2178299477,34cyclictest16019-21ssh16:54:011
2178299476,36cyclictest0-21swapper/114:07:591
2178299476,36cyclictest0-21swapper/114:07:591
2178299475,37cyclictest0-21swapper/113:57:391
2178299474,38cyclictest0-21swapper/114:52:411
21782994711,31cyclictest25964-21ssh17:08:161
21782994711,30cyclictest20223-21unixbench_singl16:12:521
21782994711,30cyclictest20223-21unixbench_singl16:12:521
37692463,7sleep00-21swapper/015:50:020
2179799468,32cyclictest0-21swapper/315:38:043
2179799466,35cyclictest0-21swapper/315:19:063
2179799466,35cyclictest0-21swapper/315:19:063
2179799464,36cyclictest0-21swapper/317:47:233
2179799464,36cyclictest0-21swapper/314:22:473
2179799464,11cyclictest0-21swapper/314:17:403
2179799463,38cyclictest0-21swapper/316:42:513
21797994611,30cyclictest0-21swapper/316:01:083
2179099465,35cyclictest0-21swapper/218:13:252
2179099464,37cyclictest0-21swapper/213:42:442
2179099464,36cyclictest0-21swapper/213:47:412
2179099464,10cyclictest0-21swapper/214:02:392
2179099464,10cyclictest0-21swapper/214:02:392
2179099463,37cyclictest0-21swapper/217:38:472
2179099463,37cyclictest0-21swapper/214:53:382
2178299464,6cyclictest0-21swapper/115:12:321
2178299464,37cyclictest0-21swapper/113:12:571
2178299464,36cyclictest0-21swapper/118:12:411
2178299464,36cyclictest0-21swapper/115:59:091
21778994637,5cyclictest3-21ksoftirqd/015:02:220
2179799454,36cyclictest0-21swapper/317:30:393
2179799454,36cyclictest0-21swapper/316:57:463
2179799454,35cyclictest0-21swapper/315:52:453
2178299454,36cyclictest0-21swapper/114:05:401
2178299454,36cyclictest0-21swapper/114:05:401
2179799445,34cyclictest0-21swapper/318:16:353
2179799444,35cyclictest0-21swapper/313:37:433
2179799444,15cyclictest0-21swapper/316:29:293
2179099444,35cyclictest0-21swapper/214:48:142
2179099443,36cyclictest0-21swapper/214:42:432
2178299444,6cyclictest0-21swapper/114:27:471
2178299444,35cyclictest0-21swapper/113:47:241
2178299443,34cyclictest0-21swapper/114:17:231
2177899444,35cyclictest0-21swapper/013:17:530
2177899443,36cyclictest0-21swapper/013:02:250
141752443,7sleep00-21swapper/016:04:590
252992433,7sleep00-21swapper/015:34:000
2179799435,33cyclictest0-21swapper/316:19:073
2179799432,35cyclictest21877-21/usr/sbin/munin14:27:553
2179099433,35cyclictest0-21swapper/213:28:302
2179099433,34cyclictest1644-21fschecks_time13:32:422
2178299433,35cyclictest0-21swapper/113:52:521
21782994310,28cyclictest28015-21/usr/sbin/munin13:17:411
2177899434,34cyclictest0-21swapper/013:12:440
98662423,8sleep00-21swapper/016:45:520
2179799423,34cyclictest0-21swapper/314:15:543
2179099423,34cyclictest0-21swapper/214:23:302
2178299424,34cyclictest201ktimersoftd/113:37:241
121192424,7sleep00-21swapper/017:36:080
31402413,8sleep00-21swapper/016:36:180
307452413,7sleep00-21swapper/016:28:010
2178299414,33cyclictest0-21swapper/114:48:331
215842413,7sleep00-21swapper/017:48:390
203392413,6sleep00-21swapper/017:01:260
203082413,7sleep00-21swapper/016:12:560
203082413,7sleep00-21swapper/016:12:560
11702413,8sleep00-21swapper/017:19:580
71872403,7sleep00-21swapper/015:54:530
326172404,8sleep00-21swapper/014:53:550
290022403,7sleep00-21swapper/014:45:420
59682393,8sleep00-21swapper/018:13:430
46302393,7sleep20-21swapper/213:40:462
301362393,6sleep30-21swapper/314:47:513
2177899393,31cyclictest0-21swapper/018:00:540
166762393,7sleep00-21swapper/018:31:020
314972383,30sleep20-21swapper/213:26:582
269902383,7sleep00-21swapper/014:39:020
2177899384,29cyclictest0-21swapper/016:21:530
2177899384,28cyclictest0-21swapper/017:39:240
2148523813,19sleep10-21swapper/113:01:421
214052383,7sleep00-21swapper/014:24:380
139422383,7sleep00-21swapper/014:04:580
139422383,7sleep00-21swapper/014:04:580
45772373,8sleep00-21swapper/017:24:490
312902373,7sleep00-21swapper/013:24:340
288742373,7sleep10-21swapper/114:44:111
21797993725,8cyclictest9308-21grep13:52:433
2179099374,28cyclictest0-21swapper/213:02:302
21778993727,6cyclictest14898-21tail16:52:420
21778993724,8cyclictest17197-21ntpq17:42:440
156832373,7sleep00-21swapper/014:08:240
156832373,7sleep00-21swapper/014:08:240
31062363,7sleep00-21swapper/013:37:300
294622363,29sleep20-21swapper/213:20:052
21778993625,7cyclictest10713-21grep13:57:370
21778993624,8cyclictest6582-21cut15:07:410
194972364,7sleep00-21swapper/014:19:110
172262363,7sleep00-21swapper/015:22:450
44492351,5sleep024342-21snmpd15:03:530
314782353,6sleep30-21swapper/313:26:423
263322353,7sleep00-21swapper/017:56:440
2179799354,26cyclictest0-21swapper/313:42:303
2179799353,19cyclictest227402grep13:02:413
2177899354,25cyclictest0-21swapper/018:05:240
21778993523,7cyclictest10865-21/usr/sbin/munin18:22:480
21778993523,7cyclictest10865-21/usr/sbin/munin18:22:480
20942353,6sleep30-21swapper/314:58:493
199672359,18sleep30-21swapper/312:57:383
271882343,6sleep00-21swapper/017:11:200
2179799344,26cyclictest0-21swapper/314:42:233
2179799344,25cyclictest0-21swapper/314:07:343
2179799344,25cyclictest0-21swapper/314:07:343
2177899344,26cyclictest0-21swapper/017:16:240
2177899344,26cyclictest0-21swapper/013:27:510
2177899344,25cyclictest0-21swapper/016:24:540
21778993423,7cyclictest9870-21grep15:12:380
21797993322,7cyclictest32268-21timerandwakeup14:52:523
21797993319,8cyclictest12654-21cpu14:02:373
21797993319,8cyclictest12654-21cpu14:02:373
2179099332,26cyclictest25917-21sh13:12:242
2177899334,23cyclictest0-21swapper/015:27:230
2177899333,26cyclictest0-21swapper/013:07:270
21778993322,6cyclictest29591-21tune2fs14:47:400
21778993321,7cyclictest27550-21cat15:37:400
21778993320,8cyclictest8380-21ntpq18:17:420
21778993320,8cyclictest8380-21ntpq18:17:420
175942333,7sleep00-21swapper/014:13:470
2179099324,23cyclictest0-21swapper/213:12:412
21782993216,10cyclictest0-21swapper/114:37:411
2177899324,25cyclictest0-21swapper/016:11:530
2177899324,25cyclictest0-21swapper/016:11:530
2177899324,24cyclictest0-21swapper/018:09:540
2177899323,25cyclictest0-21swapper/013:43:520
2177899323,25cyclictest0-21swapper/013:32:520
21778993222,6cyclictest8760-21wget13:52:350
21778993222,6cyclictest21213-21tune2fs17:02:340
21778993222,6cyclictest21213-21tune2fs17:02:340
21778993220,7cyclictest31198-21head15:42:450
136352323,7sleep00-21swapper/016:51:440
2179799312,23cyclictest26321-21diskstats13:12:413
21797993119,7cyclictest10827-21sort13:57:393
21782993116,10cyclictest0-21swapper/114:32:551
2177899314,23cyclictest0-21swapper/016:39:540
2177899314,22cyclictest0-21swapper/013:47:500
2177899313,23cyclictest0-21swapper/014:32:530
21778993119,7cyclictest13059-21sh15:17:360
21778993119,7cyclictest13059-21sh15:17:360
2179799304,22cyclictest0-21swapper/314:41:533
2179799303,22cyclictest28705-21head13:17:463
21797993019,6cyclictest24902-21sed14:32:533
2177899305,20cyclictest0-21swapper/014:28:030
2177899304,22cyclictest0-21swapper/015:57:230
2177899304,21cyclictest0-21swapper/017:28:540
2179799294,19cyclictest0-21swapper/313:47:393
21797992919,6cyclictest25189-21switchtime13:07:523
2179099294,21cyclictest0-21swapper/214:17:422
21797992818,6cyclictest32190-21idleruntime13:27:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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