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2026-08-03 - 21:57
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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 Aug 03, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1288999634,6cyclictest0-21swapper/106:29:191
1288499574,47cyclictest0-21swapper/010:57:050
1289699564,45cyclictest0-21swapper/211:27:532
1288999567,42cyclictest22338-21aten_rbpower_vo08:19:271
1288999567,42cyclictest22338-21aten_rbpower_vo08:19:271
12889995627,25cyclictest24755-21grep11:19:271
12884995647,5cyclictest3-21ksoftirqd/009:59:120
1288499563,47cyclictest0-21swapper/008:59:400
1288499554,45cyclictest0-21swapper/008:58:430
1289699544,44cyclictest0-21swapper/210:29:242
1289699543,45cyclictest0-21swapper/210:34:342
1288999546,42cyclictest378-21processes11:29:361
12889995419,30cyclictest21163-21cut06:49:321
1288499547,7cyclictest0-21swapper/009:35:050
1290099535,9cyclictest0-21swapper/310:20:343
1290099534,43cyclictest0-21swapper/309:53:153
12900995320,8cyclictest14776-21/usr/sbin/munin07:59:413
1289699535,42cyclictest0-21swapper/211:31:132
12889995322,26cyclictest29677-21sed07:09:491
12889995313,34cyclictest15472-21netstat07:59:371
1288499534,43cyclictest0-21swapper/011:16:330
1288499534,43cyclictest0-21swapper/011:16:330
1290099524,43cyclictest0-21swapper/311:24:033
1290099524,43cyclictest0-21swapper/310:19:043
1290099524,42cyclictest0-21swapper/311:06:433
1289699524,43cyclictest0-21swapper/209:32:112
1289699524,42cyclictest0-21swapper/211:14:042
1289699522,45cyclictest24767-21ssh09:54:252
12896995210,37cyclictest0-21swapper/208:53:262
1288999528,37cyclictest4758-21unixbench_singl07:29:461
1288999526,39cyclictest25293-21latency06:59:341
1288999524,41cyclictest6296-21vmstat08:44:471
1288999523,42cyclictest1708-21wget07:24:271
12889995212,35cyclictest564-21dbus-daemon06:49:171
12889995210,36cyclictest8310-21ntpdc10:14:361
1288499525,41cyclictest0-21swapper/008:29:170
1288499524,43cyclictest0-21swapper/011:43:230
1288499524,43cyclictest0-21swapper/008:39:270
1290099514,42cyclictest0-21swapper/310:54:193
1290099514,42cyclictest0-21swapper/309:22:163
1290099514,41cyclictest0-21swapper/311:57:353
1290099514,41cyclictest0-21swapper/311:41:133
1290099512,45cyclictest0-21swapper/309:34:353
1289699515,41cyclictest0-21swapper/210:42:442
1289699514,42cyclictest0-21swapper/210:21:222
1289699513,41cyclictest0-21swapper/209:39:422
1289699512,43cyclictest26890-21ntp_kernel_pll_08:29:372
1288999518,37cyclictest15872-21kernelversion06:34:371
1288999514,6cyclictest0-21swapper/110:04:401
12889995120,27cyclictest16427-21grep10:24:441
12889995120,27cyclictest16427-21grep10:24:441
1288999512,19cyclictest162050/usr/sbin/munin10:49:411
12889995119,28cyclictest9815-21timerwakeupswit08:49:441
12889995119,27cyclictest18892-21/usr/sbin/munin10:29:241
12889995117,28cyclictest6314-21grep10:54:371
12889995110,36cyclictest31177-21rt-features07:14:441
12884995142,5cyclictest3-21ksoftirqd/011:09:110
1288499514,41cyclictest0-21swapper/009:44:450
1288499514,41cyclictest0-21swapper/009:44:450
1288499514,41cyclictest0-21swapper/009:30:260
1288499514,17cyclictest0-21swapper/009:59:270
1288499513,43cyclictest0-21swapper/008:34:270
1288499513,42cyclictest0-21swapper/010:31:440
1288499513,42cyclictest0-21swapper/010:26:140
1288499513,42cyclictest0-21swapper/010:26:140
1288499513,42cyclictest0-21swapper/009:06:360
1288499512,17cyclictest4122-21ntpq11:34:340
1290099504,9cyclictest0-21swapper/309:56:153
1290099504,41cyclictest0-21swapper/311:27:343
1290099504,41cyclictest0-21swapper/310:10:353
1290099504,40cyclictest0-21swapper/310:07:553
1290099504,40cyclictest0-21swapper/309:26:213
1290099503,42cyclictest0-21swapper/310:35:343
1289699504,41cyclictest0-21swapper/211:52:422
1289699504,40cyclictest0-21swapper/211:20:322
1289699504,40cyclictest0-21swapper/210:24:422
1289699504,40cyclictest0-21swapper/210:24:422
1289699503,42cyclictest0-21swapper/211:01:462
1289699503,16cyclictest15548-21ssh08:58:482
1289699502,42cyclictest14734-21ssh11:05:292
1288999507,36cyclictest11031-21cpu11:44:221
1288999505,39cyclictest0-21swapper/109:28:431
1288999503,41cyclictest29460-21sed11:24:411
12889995020,25cyclictest27080-21sendmail_mailtr08:29:411
12889995016,27cyclictest15336-21load11:49:301
12889995015,30cyclictest643-21runrttasks09:33:091
12889995015,30cyclictest20891-21kernelversion08:14:341
12889995015,30cyclictest17010-21fschecks_time08:04:321
12889995014,31cyclictest10302-21timerandwakeup10:59:411
12889995013,32cyclictest580-21ksmtuned10:37:151
12889995013,31cyclictest16846-21ntpdc08:59:361
12889995012,33cyclictest24156-21aten_rbpower_cu08:24:271
1288999501,44cyclictest22332-21unixbench_singl09:49:451
1288499504,41cyclictest0-21swapper/010:59:350
1288499504,10cyclictest0-21swapper/011:29:030
1290099494,40cyclictest0-21swapper/309:29:253
1290099494,39cyclictest0-21swapper/311:13:233
1290099494,39cyclictest0-21swapper/309:48:133
1290099494,39cyclictest0-21swapper/309:48:133
1290099494,39cyclictest0-21swapper/308:09:463
1290099493,41cyclictest0-21swapper/310:46:443
1289699494,40cyclictest0-21swapper/210:13:552
1289699494,40cyclictest0-21swapper/209:20:462
1289699494,39cyclictest0-21swapper/210:53:542
1289699494,39cyclictest0-21swapper/210:46:342
1289699494,39cyclictest0-21swapper/209:13:452
1289699494,39cyclictest0-21swapper/209:13:452
12896994933,11cyclictest0-21swapper/209:03:362
12896994915,9cyclictest11404-21interrupts11:44:272
12896994912,31cyclictest0-21swapper/210:07:452
1288999497,36cyclictest27979-21needreboot09:14:361
1288999495,38cyclictest18513-21/usr/sbin/munin08:09:251
1288999493,8cyclictest792-21timerandwakeup07:19:471
1288999493,40cyclictest19489-21switchtime11:54:381
1288999493,40cyclictest10454-21needreboot09:34:351
1288999492,41cyclictest20393-21latency09:04:331
12889994914,30cyclictest643-21runrttasks09:43:591
12889994913,31cyclictest9433-21fschecks_count07:44:311
12889994913,30cyclictest27554-21timerandwakeup10:39:391
12889994911,32cyclictest370-21systemd-journal10:00:111
1288499499,35cyclictest0-21swapper/008:47:010
1288499495,38cyclictest0-21swapper/009:39:330
1288499494,39cyclictest0-21swapper/009:51:510
1288499494,39cyclictest0-21swapper/006:59:400
12884994934,10cyclictest0-21swapper/009:09:460
12884994934,10cyclictest0-21swapper/009:09:460
1288499493,40cyclictest573-21irqbalance10:50:140
1290099484,39cyclictest0-21swapper/310:24:283
1290099484,39cyclictest0-21swapper/310:24:283
1290099484,38cyclictest0-21swapper/310:41:463
1290099484,38cyclictest0-21swapper/309:11:363
1290099484,38cyclictest0-21swapper/309:11:363
1290099483,40cyclictest0-21swapper/310:30:443
1290099483,39cyclictest897-21grep11:29:423
12900994812,31cyclictest19493-21latency_hist09:04:153
1289699488,35cyclictest0-21swapper/207:42:042
1289699484,39cyclictest0-21swapper/209:47:152
1289699484,39cyclictest0-21swapper/209:47:152
1289699484,37cyclictest0-21swapper/209:49:422
1289699484,19cyclictest0-21swapper/209:36:552
1289699483,40cyclictest0-21swapper/211:14:132
1289699483,40cyclictest0-21swapper/211:14:132
1289699483,39cyclictest0-21swapper/209:08:062
1289699482,40cyclictest8902-21kworker/2:008:44:362
12896994815,27cyclictest27353-21cpu09:14:262
12896994812,5cyclictest0-21swapper/211:40:212
12896994811,31cyclictest0-21swapper/209:59:392
1288999489,34cyclictest3908-21latency11:34:311
1288999488,35cyclictest30982-21needreboot10:44:341
1288999487,36cyclictest21181-21latency11:14:301
1288999487,36cyclictest21181-21latency11:14:301
1288999486,36cyclictest8830-21seq07:43:021
1288999485,36cyclictest17232-21munin-node06:39:281
1288999484,8cyclictest0-21swapper/110:11:171
1288999484,6cyclictest0-21swapper/108:39:391
1288999483,39cyclictest5777-21cut07:34:311
1288999482,41cyclictest643-21runrttasks09:56:271
12889994815,28cyclictest643-21runrttasks11:10:361
12889994814,28cyclictest26814-21fschecks_count07:04:311
12889994814,28cyclictest26814-21fschecks_count07:04:311
12889994813,29cyclictest8420-21unixbench_singl11:39:401
12889994812,31cyclictest12947-21latency08:54:341
1288999481,42cyclictest12665-21awk07:54:071
1288499484,9cyclictest0-21swapper/008:53:360
1288499484,39cyclictest0-21swapper/010:39:110
1288499484,39cyclictest0-21swapper/010:18:040
1288499484,38cyclictest0-21swapper/011:46:190
1288499484,38cyclictest0-21swapper/011:31:210
1288499484,38cyclictest0-21swapper/011:20:420
1288499484,38cyclictest0-21swapper/009:23:530
1288499484,38cyclictest0-21swapper/008:24:380
12884994813,30cyclictest10072chrt10:04:410
12884994811,31cyclictest0-21swapper/011:51:320
1290099479,11cyclictest0-21swapper/310:50:273
1290099475,37cyclictest0-21swapper/307:29:503
1290099474,38cyclictest0-21swapper/308:55:443
1290099474,37cyclictest0-21swapper/308:17:083
1290099474,37cyclictest0-21swapper/307:09:323
1290099474,19cyclictest0-21swapper/311:47:013
1290099473,39cyclictest0-21swapper/307:14:403
12900994711,5cyclictest0-21swapper/308:04:503
1289699474,38cyclictest0-21swapper/211:35:032
1289699474,38cyclictest0-21swapper/207:53:322
1289699474,37cyclictest0-21swapper/211:55:102
1289699474,37cyclictest0-21swapper/208:43:572
1289699474,37cyclictest0-21swapper/208:35:382
1289699474,36cyclictest0-21swapper/210:54:562
12896994712,30cyclictest0-21swapper/210:15:482
12896994712,30cyclictest0-21swapper/207:44:262
1288999477,34cyclictest13349-21if_err_eth207:54:291
1288999473,38cyclictest13100-21egrep11:04:231
1288999472,39cyclictest17246-21aten_rbpower_en09:44:231
1288999472,39cyclictest17246-21aten_rbpower_en09:44:231
12889994711,31cyclictest643-21runrttasks09:11:561
12889994711,31cyclictest643-21runrttasks09:11:561
12889994711,31cyclictest14317-21sshd10:23:111
1288499474,38cyclictest0-21swapper/006:49:470
1288499474,38cyclictest0-21swapper/006:29:220
1288499474,37cyclictest0-21swapper/006:40:010
1290099465,36cyclictest0-21swapper/308:49:463
1290099464,9cyclictest0-21swapper/309:59:363
1290099464,6cyclictest0-21swapper/308:49:153
1290099464,37cyclictest0-21swapper/309:15:353
1290099464,37cyclictest0-21swapper/308:22:123
1290099464,37cyclictest0-21swapper/308:22:123
1290099464,37cyclictest0-21swapper/307:24:343
1290099464,36cyclictest0-21swapper/311:51:023
1290099464,36cyclictest0-21swapper/311:38:063
1290099464,36cyclictest0-21swapper/310:59:333
1290099464,36cyclictest0-21swapper/308:34:403
1290099464,36cyclictest0-21swapper/308:31:243
1290099464,36cyclictest0-21swapper/307:04:483
1290099464,36cyclictest0-21swapper/307:04:483
12900994611,30cyclictest0-21swapper/311:14:433
12900994611,30cyclictest0-21swapper/311:14:433
1289699464,37cyclictest0-21swapper/207:29:322
1289699464,37cyclictest0-21swapper/206:44:452
1289699463,38cyclictest0-21swapper/209:27:492
1289699463,38cyclictest0-21swapper/207:21:072
1289699463,37cyclictest0-21swapper/207:54:332
1288999468,33cyclictest32038-21timerandwakeup09:19:421
1288999463,37cyclictest23073-21fschecks_count06:54:311
12889994617,23cyclictest621-21sh08:38:441
1288499464,37cyclictest0-21swapper/010:44:540
1288499464,37cyclictest0-21swapper/006:34:280
1288499464,36cyclictest0-21swapper/011:56:160
1288499464,36cyclictest0-21swapper/011:09:470
1288499463,38cyclictest0-21swapper/009:24:160
1288499463,38cyclictest0-21swapper/006:54:420
1288499463,37cyclictest0-21swapper/010:11:320
124642467,12sleep20-21swapper/206:27:072
1290099454,36cyclictest0-21swapper/309:44:013
1290099454,36cyclictest0-21swapper/308:24:433
1290099454,36cyclictest0-21swapper/307:57:503
1290099454,36cyclictest0-21swapper/307:03:153
1290099454,35cyclictest0-21swapper/307:44:343
1290099454,18cyclictest0-21swapper/308:40:083
1290099453,36cyclictest23172-21ssh09:09:083
1289699454,36cyclictest0-21swapper/207:36:062
1289699454,36cyclictest0-21swapper/207:24:432
1289699454,35cyclictest0-21swapper/206:44:172
1288499454,8cyclictest0-21swapper/007:04:330
1288499454,8cyclictest0-21swapper/007:04:330
1288499454,36cyclictest0-21swapper/010:19:380
1288499454,36cyclictest0-21swapper/009:16:350
1288499454,36cyclictest0-21swapper/006:44:290
1290099444,35cyclictest0-21swapper/307:54:163
1290099444,35cyclictest0-21swapper/307:42:503
1290099444,35cyclictest0-21swapper/306:54:513
1290099443,36cyclictest0-21swapper/307:23:453
1289699443,36cyclictest0-21swapper/207:14:492
1288499444,35cyclictest0-21swapper/010:44:040
1290099434,9cyclictest0-21swapper/307:38:153
1289699433,35cyclictest0-21swapper/207:59:312
1289699433,35cyclictest0-21swapper/206:50:212
1289699425,5cyclictest0-21swapper/206:39:182
1289699413,33cyclictest0-21swapper/206:31:492
12884994132,5cyclictest1461-21sh07:24:160
48312403,5sleep00-21swapper/007:29:550
259592403,6sleep20-21swapper/206:59:472
1250223812,20sleep30-21swapper/306:27:373
255112373,6sleep20-21swapper/208:26:022
12900993724,8cyclictest21356-21cut06:49:333
1289699373,30cyclictest0-21swapper/206:54:332
1099123713,18sleep00-21swapper/006:24:200
114532369,18sleep10-21swapper/106:24:331
12884993523,8cyclictest7289-21/usr/sbin/munin07:39:290
12900993424,6cyclictest16177-21grep06:34:433
1288499344,25cyclictest0-21swapper/007:56:300
12884993423,7cyclictest2498-21grep07:24:420
1290099334,24cyclictest0-21swapper/306:41:113
12896993322,7cyclictest26575-21/usr/sbin/munin07:04:292
12896993322,7cyclictest26575-21/usr/sbin/munin07:04:292
1288499334,24cyclictest0-21swapper/008:09:250
12884993321,8cyclictest17292-21wc08:04:370
1290099324,24cyclictest0-21swapper/306:44:363
1288499324,21cyclictest0-21swapper/008:19:390
1288499324,21cyclictest0-21swapper/008:19:390
12884993219,8cyclictest6609-21grep07:34:460
12896993119,7cyclictest29629-21tail07:09:492
1288499314,23cyclictest0-21swapper/007:52:060
12884993123,5cyclictest3-21ksoftirqd/007:44:430
12884993121,6cyclictest30559-21cut07:14:330
1289699304,21cyclictest0-21swapper/208:14:512
1288499307,19cyclictest8-21rcu_preempt07:59:300
1288499303,23cyclictest0-21swapper/008:14:410
12896992920,6cyclictest17613-21sed08:04:452
1290099283,20cyclictest0-21swapper/306:29:223
1289699284,20cyclictest0-21swapper/208:09:332
1289699284,18cyclictest0-21swapper/208:19:342
1289699284,18cyclictest0-21swapper/208:19:342
1288499274,18cyclictest0-21swapper/007:09:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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