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2026-03-16 - 03:11
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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 Mon Mar 16, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2767099594,49cyclictest0-21swapper/322:56:173
2739725812,39sleep10-21swapper/118:19:401
2767099574,47cyclictest0-21swapper/322:26:393
2766799574,47cyclictest0-21swapper/222:56:582
2766799574,47cyclictest0-21swapper/221:52:442
2766799573,48cyclictest17946-21ssh23:24:372
2766799564,46cyclictest0-21swapper/220:56:302
2766799562,8cyclictest20918-21ntpq19:25:152
2766799562,8cyclictest20918-21ntpq19:25:152
2766799562,48cyclictest3486-21ntpq20:05:122
2767099554,45cyclictest0-21swapper/320:45:513
2766799555,43cyclictest0-21swapper/222:26:092
2766799555,43cyclictest0-21swapper/221:57:492
2766799554,7cyclictest0-21swapper/222:49:582
2765599554,45cyclictest0-21swapper/021:36:400
27670995415,34cyclictest12477-21latency_hist22:34:493
2766799544,10cyclictest0-21swapper/221:39:402
2766799543,26cyclictest0-21swapper/221:17:392
2765599544,43cyclictest0-21swapper/023:04:380
273332549,15sleep00-21swapper/018:18:540
2767099534,44cyclictest0-21swapper/323:05:583
2767099533,28cyclictest0-21swapper/321:40:003
2767099533,18cyclictest14914-21grep23:20:033
2765599532,45cyclictest4994-21ssh23:06:180
2767099524,43cyclictest0-21swapper/320:59:513
2767099524,42cyclictest0-21swapper/323:14:303
2766799524,42cyclictest0-21swapper/221:07:202
2766799523,41cyclictest0-21swapper/222:10:002
2765599525,42cyclictest0-21swapper/021:46:350
2765599524,42cyclictest0-21swapper/023:31:370
2767099514,42cyclictest0-21swapper/320:50:113
2767099512,9cyclictest1120-21kworker/3:022:20:093
2767099512,9cyclictest1120-21kworker/3:022:20:093
2766799518,36cyclictest0-21swapper/221:26:592
2766799516,40cyclictest0-21swapper/222:02:492
2766799516,39cyclictest0-21swapper/222:49:012
2766799514,41cyclictest0-21swapper/221:20:222
2766799514,40cyclictest0-21swapper/222:32:292
2766799513,5cyclictest0-21swapper/220:23:212
27667995112,32cyclictest0-21swapper/221:11:312
27667995111,5cyclictest0-21swapper/220:00:092
2767099506,37cyclictest0-21swapper/320:20:033
2767099504,40cyclictest0-21swapper/322:02:563
2767099504,22cyclictest0-21swapper/321:34:573
2767099503,43cyclictest0-21swapper/322:08:583
2766799508,35cyclictest0-21swapper/223:29:562
2766799506,38cyclictest0-21swapper/222:40:442
2766799506,38cyclictest0-21swapper/221:40:182
2766799505,39cyclictest0-21swapper/220:35:202
2766799504,40cyclictest0-21swapper/223:03:422
2766799504,40cyclictest0-21swapper/220:40:222
2766799504,40cyclictest0-21swapper/220:40:222
2766799504,40cyclictest0-21swapper/220:30:012
2766799503,42cyclictest0-21swapper/223:25:172
2766799503,42cyclictest0-21swapper/219:45:032
2766799503,41cyclictest0-21swapper/221:30:502
2766799503,41cyclictest0-21swapper/221:30:502
27667995014,31cyclictest17144-21head19:15:152
27667995011,33cyclictest0-21swapper/222:17:122
2765599507,37cyclictest0-21swapper/023:18:040
2765599504,40cyclictest0-21swapper/021:43:350
2765599503,42cyclictest0-21swapper/022:09:190
27655995017,27cyclictest10448-21awk21:05:170
27655995012,32cyclictest0-21swapper/020:41:280
27655995012,32cyclictest0-21swapper/020:41:280
2767099497,37cyclictest0-21swapper/321:53:133
2767099494,39cyclictest0-21swapper/323:27:223
2767099494,39cyclictest0-21swapper/322:12:163
2767099494,39cyclictest0-21swapper/321:08:423
2767099494,39cyclictest0-21swapper/320:33:503
2767099494,39cyclictest0-21swapper/320:26:033
2767099494,38cyclictest0-21swapper/322:16:413
2767099493,41cyclictest0-21swapper/321:45:153
2767099493,41cyclictest0-21swapper/321:03:513
2766799496,36cyclictest0-21swapper/220:44:582
2766799495,37cyclictest0-21swapper/222:05:222
2766799494,40cyclictest0-21swapper/221:03:212
2766799494,39cyclictest0-21swapper/223:06:272
2766799494,39cyclictest0-21swapper/220:53:422
2766799494,39cyclictest0-21swapper/220:25:532
2766799494,38cyclictest0-21swapper/223:11:152
2766799494,38cyclictest0-21swapper/220:10:082
2766799493,41cyclictest0-21swapper/219:00:042
2766799493,40cyclictest0-21swapper/219:55:112
27667994910,5cyclictest0-21swapper/222:20:112
27667994910,5cyclictest0-21swapper/222:20:112
27667994910,32cyclictest0-21swapper/223:46:502
2765599494,6cyclictest0-21swapper/022:55:580
2765599494,39cyclictest0-21swapper/022:35:150
2765599494,39cyclictest0-21swapper/022:01:300
2765599494,39cyclictest0-21swapper/020:25:300
2765599493,41cyclictest0-21swapper/023:10:180
2765599493,41cyclictest0-21swapper/021:20:200
2765599493,39cyclictest30480-21/usr/sbin/munin23:40:100
2765599493,39cyclictest30480-21/usr/sbin/munin23:40:100
2767099489,7cyclictest0-21swapper/322:54:013
2767099485,37cyclictest0-21swapper/322:44:153
2767099484,38cyclictest0-21swapper/323:45:403
2767099484,38cyclictest0-21swapper/323:37:083
2767099484,38cyclictest0-21swapper/323:37:083
2767099484,38cyclictest0-21swapper/322:46:363
2767099484,38cyclictest0-21swapper/322:37:123
2767099484,38cyclictest0-21swapper/321:27:053
2767099484,38cyclictest0-21swapper/321:11:413
2767099484,38cyclictest0-21swapper/320:44:433
2767099484,38cyclictest0-21swapper/320:44:433
2767099484,38cyclictest0-21swapper/320:36:043
2767099484,19cyclictest0-21swapper/323:17:253
2767099484,18cyclictest0-21swapper/323:03:573
2767099483,41cyclictest0-21swapper/323:42:533
2767099483,41cyclictest0-21swapper/323:42:533
2767099483,40cyclictest0-21swapper/321:57:393
2767099482,40cyclictest565-21irqbalance21:23:203
2766799487,36cyclictest7095-21aten_rbpower_cu18:50:042
2766799487,35cyclictest0-21swapper/223:43:402
2766799487,35cyclictest0-21swapper/223:43:402
2766799484,38cyclictest0-21swapper/223:16:352
2766799484,38cyclictest0-21swapper/222:35:232
2766799484,38cyclictest0-21swapper/218:40:192
2766799483,40cyclictest0-21swapper/223:36:472
2766799483,40cyclictest0-21swapper/223:36:472
2766799483,40cyclictest0-21swapper/219:50:022
2766799483,40cyclictest0-21swapper/219:30:202
2766799483,40cyclictest0-21swapper/219:30:202
27667994810,5cyclictest0-21swapper/221:47:442
2765999484,38cyclictest0-21swapper/122:50:171
2765999483,41cyclictest0-21swapper/121:13:301
27659994812,5cyclictest0-21swapper/123:37:311
27659994812,5cyclictest0-21swapper/123:37:311
2765599484,38cyclictest0-21swapper/023:38:370
2765599484,38cyclictest0-21swapper/023:38:370
2765599484,38cyclictest0-21swapper/023:28:220
2765599484,38cyclictest0-21swapper/022:51:380
2765599484,38cyclictest0-21swapper/022:48:310
2765599484,38cyclictest0-21swapper/022:33:330
2765599484,38cyclictest0-21swapper/022:28:300
2765599484,38cyclictest0-21swapper/022:17:030
2765599484,38cyclictest0-21swapper/021:53:380
2765599484,38cyclictest0-21swapper/021:31:560
2765599484,38cyclictest0-21swapper/021:31:560
2765599484,38cyclictest0-21swapper/021:25:540
2765599484,38cyclictest0-21swapper/021:00:050
2765599484,38cyclictest0-21swapper/020:35:220
2765599484,38cyclictest0-21swapper/020:22:490
2765599483,5cyclictest0-21swapper/022:22:290
2765599483,5cyclictest0-21swapper/022:22:290
2765599483,39cyclictest0-21swapper/023:22:270
2765599482,41cyclictest32334-21ssh20:50:430
27655994817,25cyclictest638-21runrttasks19:47:160
2767099477,34cyclictest0-21swapper/321:14:593
2767099474,37cyclictest0-21swapper/323:30:283
2767099474,37cyclictest0-21swapper/321:29:583
2767099474,37cyclictest0-21swapper/321:29:583
2767099473,40cyclictest0-21swapper/319:41:123
2766799473,38cyclictest0-21swapper/219:20:082
2766799473,38cyclictest0-21swapper/218:25:062
2765599477,34cyclictest0-21swapper/020:31:530
2765599475,36cyclictest0-21swapper/021:15:210
2765599474,38cyclictest0-21swapper/020:46:060
2765599474,37cyclictest0-21swapper/022:39:530
2765599474,37cyclictest0-21swapper/020:58:020
2765599474,17cyclictest0-21swapper/022:10:580
2765599474,17cyclictest0-21swapper/021:55:320
2765599474,17cyclictest0-21swapper/021:10:400
27655994711,31cyclictest0-21swapper/023:46:580
2766799464,36cyclictest0-21swapper/218:45:082
2766799463,37cyclictest0-21swapper/219:10:262
2766799462,9cyclictest6520-21/usr/sbin/munin20:15:162
2765599463,37cyclictest0-21swapper/020:15:530
27655994610,31cyclictest0-21swapper/020:05:120
2766799454,35cyclictest0-21swapper/219:05:112
2766799453,35cyclictest9225-21fschecks_count18:55:082
2766799453,10cyclictest0-21swapper/219:35:042
2765999457,32cyclictest0-21swapper/123:29:581
2765599454,36cyclictest0-21swapper/018:35:100
2765599453,36cyclictest0-21swapper/018:20:300
2766799444,34cyclictest0-21swapper/218:35:312
2766799443,33cyclictest1261-21latency_hist18:34:552
2766799442,7cyclictest26189-21perl19:40:092
2765999445,33cyclictest0-21swapper/123:21:481
2765599444,34cyclictest0-21swapper/019:52:100
2765599444,34cyclictest0-21swapper/018:30:090
271112447,13sleep30-21swapper/318:16:163
2767099433,36cyclictest0-21swapper/320:10:083
2767099432,35cyclictest4524-21latency_hist20:09:533
27667994310,27cyclictest0-21swapper/218:22:592
2765999434,33cyclictest0-21swapper/122:16:251
2765999433,34cyclictest0-21swapper/121:47:331
2765599433,36cyclictest0-21swapper/018:29:070
2767099423,35cyclictest0-21swapper/320:15:053
2767099422,7cyclictest27681-21irqstats18:19:563
2765599423,34cyclictest0-21swapper/020:14:530
2765599413,32cyclictest2326-21sshd20:02:140
27655994110,26cyclictest0-21swapper/019:31:080
27655994110,26cyclictest0-21swapper/019:31:080
247912413,6sleep10-21swapper/122:07:301
2767099403,33cyclictest0-21swapper/318:35:313
2765599404,9cyclictest0-21swapper/019:11:160
152602403,6sleep10-21swapper/122:37:411
65092392,6sleep10-21swapper/123:09:321
27659993927,7cyclictest21478-21needreboot21:20:121
27655993926,8cyclictest4351-21cat18:40:230
271632398,25sleep20-21swapper/218:16:512
252842393,6sleep10-21swapper/120:41:371
252842393,6sleep10-21swapper/120:41:371
207462393,6sleep10-21swapper/122:01:591
2767099384,29cyclictest0-21swapper/319:36:553
2767099383,31cyclictest0-21swapper/319:00:433
8892373,6sleep10-21swapper/119:59:551
66382373,6sleep10-21swapper/122:25:291
63722372,6sleep10-21swapper/121:43:391
60452373,6sleep10-21swapper/120:11:461
2765999374,28cyclictest0-21swapper/121:38:581
262142372,28sleep026293-21iostat19:40:110
126422373,6sleep10-21swapper/123:16:251
5362363,6sleep00-21swapper/019:58:540
292352363,6sleep10-21swapper/122:13:501
292332363,6sleep30-21swapper/319:48:473
2765999362,20cyclictest26822sh23:04:261
27655993623,8cyclictest13892-21grep19:05:240
104042363,6sleep10-21swapper/118:57:301
78192352,6sleep10-21swapper/120:15:411
208392353,6sleep10-21swapper/123:27:441
27670993421,8cyclictest382-21systemd-journal19:29:543
27670993421,8cyclictest382-21systemd-journal19:29:543
2765999344,25cyclictest0-21swapper/120:26:161
6962333,6sleep10-21swapper/120:52:231
2767099333,26cyclictest0-21swapper/319:33:253
2767099333,26cyclictest0-21swapper/319:33:253
2765999333,26cyclictest0-21swapper/120:23:531
27655993321,7cyclictest12400-21seq19:04:000
104912333,6sleep00-21swapper/018:58:340
27670993222,6cyclictest29546-21/usr/sbin/munin19:50:033
2765999324,24cyclictest0-21swapper/118:26:331
2765999324,23cyclictest0-21swapper/121:25:081
2765999323,25cyclictest0-21swapper/118:41:481
27659993220,8cyclictest14779-21/usr/sbin/munin21:55:181
2765599323,25cyclictest0-21swapper/019:35:090
27655993219,8cyclictest20841-21ls19:25:140
27655993219,8cyclictest20841-21ls19:25:140
314072313,6sleep10-21swapper/119:54:561
2767099314,22cyclictest0-21swapper/318:25:073
27670993119,7cyclictest16985-21cut19:15:123
2765999314,21cyclictest0-21swapper/122:40:001
2765999313,24cyclictest0-21swapper/122:56:101
27659993121,6cyclictest2991-21open_inodes20:55:161
27659993119,7cyclictest10160-21timerwakeupswit22:30:191
27659993118,8cyclictest16417-21interrupts20:30:081
27659993118,6cyclictest18110-21ls19:19:541
2765599313,23cyclictest6872-21ls18:49:540
27655993118,8cyclictest18353-21cut19:20:050
126492313,6sleep10-21swapper/121:09:061
27670993020,6cyclictest14704-21cpu19:10:073
27670993018,7cyclictest32757-21ntpq18:30:163
27670993017,8cyclictest31612-21sort19:55:083
2765999305,20cyclictest0-21swapper/120:45:081
2765999304,23cyclictest0-21swapper/118:38:581
2765999304,21cyclictest0-21swapper/122:45:171
2765999304,21cyclictest0-21swapper/121:15:031
27659993020,6cyclictest30432-21sendmail_mailst19:50:171
27659993019,6cyclictest27651-21munin-node18:19:591
27659993018,7cyclictest8182-21diskmemload20:37:541
27659993018,7cyclictest3934-21awk22:22:461
27659993018,7cyclictest3934-21awk22:22:461
27659993018,7cyclictest29148-21open_files21:30:161
27659993018,7cyclictest29148-21open_files21:30:161
27659993017,8cyclictest540-21ntpd18:50:171
27659993017,8cyclictest3603-21processes20:05:151
27659993017,8cyclictest24756-21cut19:35:191
27659993017,7cyclictest6553-21cat21:00:121
27659993017,7cyclictest22808-21ntpq19:30:161
27659993017,7cyclictest22808-21ntpq19:30:161
27659993010,14cyclictest7430-21if_err_eth223:10:061
27655993019,6cyclictest16956-21irqstats19:15:120
125802302,4sleep10-21swapper/121:50:441
2767099294,21cyclictest0-21swapper/318:45:263
2767099293,20cyclictest2152-21/usr/sbin/munin20:00:233
27670992919,6cyclictest9643-21needreboot18:55:143
27670992919,6cyclictest638-21runrttasks19:06:383
2765999294,20cyclictest0-21swapper/119:20:101
2765999294,19cyclictest0-21swapper/123:40:031
2765999294,19cyclictest0-21swapper/123:40:031
2765999293,23cyclictest0-21swapper/118:33:131
27659992919,6cyclictest638-21runrttasks19:10:041
27659992917,7cyclictest21181-21switchtime19:25:211
27659992917,7cyclictest21181-21switchtime19:25:211
27659992917,7cyclictest13010-21fschecks_time19:05:081
27659992912,13cyclictest565-21irqbalance23:47:471
27670992816,7cyclictest7271-21forks18:50:083
27670992816,7cyclictest4037-21needreboot18:40:163
27670992816,7cyclictest19256-21wc19:20:223
27659992819,6cyclictest27678-21/usr/sbin/munin19:45:071
27659992818,6cyclictest638-21runrttasks19:00:011
27655992817,7cyclictest638-21runrttasks18:53:230
27659992717,6cyclictest5220-21aten_rbpower_cu18:45:051
27659992714,8cyclictest26677-21sendmail_mailqu19:40:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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