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2026-09-14 - 17:53
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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 highest latencies:
System rackbslot4.osadl.org (updated Mon Sep 14, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2521399724,63cyclictest0-21swapper/009:26:160
2521399724,63cyclictest0-21swapper/009:26:160
2521399615,49cyclictest27145-21/usr/sbin/munin09:17:120
25213996114,41cyclictest7585-21cat10:17:060
2521399595,47cyclictest0-21swapper/010:47:500
2521399594,7cyclictest0-21swapper/010:34:300
2522799574,47cyclictest0-21swapper/208:50:322
2521399579,16cyclictest0-21swapper/008:18:350
2521399573,48cyclictest6265-21ssh08:50:220
2522799565,45cyclictest0-21swapper/208:28:032
2521399564,6cyclictest0-21swapper/011:25:290
2521399564,46cyclictest0-21swapper/011:05:590
2522799554,45cyclictest0-21swapper/209:55:212
2522799553,46cyclictest0-21swapper/209:36:212
2521399554,45cyclictest0-21swapper/010:01:310
2521399554,45cyclictest0-21swapper/009:55:510
2521399554,45cyclictest0-21swapper/008:34:430
2521399553,45cyclictest0-21swapper/009:35:310
25213995515,34cyclictest1626-21sshd08:43:180
2521399544,45cyclictest0-21swapper/009:42:510
2521399544,44cyclictest0-21swapper/010:45:220
25233995316,8cyclictest27762-21cut06:11:553
2522799534,44cyclictest0-21swapper/211:17:132
2522799534,43cyclictest0-21swapper/209:43:212
2522799534,43cyclictest0-21swapper/209:23:422
2522799534,43cyclictest0-21swapper/209:23:422
2522799533,6cyclictest0-21swapper/210:14:212
2521399533,45cyclictest0-21swapper/008:14:480
2521399533,16cyclictest7028-21ssh10:59:370
2521399532,7cyclictest25048-21ssh10:41:200
2522799523,45cyclictest0-21swapper/211:24:592
2522799523,45cyclictest0-21swapper/210:28:232
2522799523,43cyclictest0-21swapper/210:24:102
2521399524,45cyclictest0-21swapper/010:04:210
2521399524,43cyclictest0-21swapper/011:34:460
2521399524,43cyclictest0-21swapper/011:34:460
2521399523,45cyclictest0-21swapper/008:56:520
2521399523,43cyclictest0-21swapper/009:07:020
2522799516,39cyclictest0-21swapper/208:20:062
2522799516,39cyclictest0-21swapper/208:15:182
2522799514,42cyclictest0-21swapper/210:43:472
2522799514,42cyclictest0-21swapper/209:16:162
2521399516,39cyclictest0-21swapper/010:13:460
2521399514,42cyclictest0-21swapper/011:09:140
2521399514,41cyclictest0-21swapper/007:57:120
2523399504,41cyclictest0-21swapper/306:07:083
2522799505,40cyclictest0-21swapper/208:33:452
2522799505,39cyclictest0-21swapper/209:58:232
2522799504,40cyclictest0-21swapper/210:09:402
2522799504,40cyclictest0-21swapper/210:09:402
2522799502,42cyclictest21957-21kworker/2:209:19:522
25227995012,32cyclictest0-21swapper/209:04:562
2521399506,38cyclictest0-21swapper/011:15:110
2521399506,38cyclictest0-21swapper/009:01:410
2521399503,9cyclictest0-21swapper/010:07:410
2521399503,9cyclictest0-21swapper/010:07:410
2521399503,7cyclictest0-21swapper/009:27:520
2521399503,43cyclictest0-21swapper/009:49:510
2521399503,41cyclictest0-21swapper/008:54:300
2522799497,36cyclictest0-21swapper/211:31:392
2522799497,36cyclictest0-21swapper/211:31:392
2522799495,39cyclictest0-21swapper/207:41:512
2522799494,39cyclictest0-21swapper/211:09:072
2522799494,39cyclictest0-21swapper/210:53:232
2522799494,39cyclictest0-21swapper/210:17:162
2522799494,39cyclictest0-21swapper/208:54:172
2522799494,39cyclictest0-21swapper/208:37:062
2522799494,39cyclictest0-21swapper/208:37:062
2522799493,42cyclictest0-21swapper/210:37:302
2522799492,6cyclictest23310-21kworker/2:211:31:092
25227994916,6cyclictest5733-21diskmemload10:47:572
2521399498,7cyclictest0-21swapper/008:24:120
2521399496,38cyclictest0-21swapper/010:31:340
2521399494,40cyclictest0-21swapper/008:31:190
2521399494,39cyclictest0-21swapper/008:09:470
2521399494,38cyclictest0-21swapper/009:38:030
2521399494,38cyclictest0-21swapper/008:37:270
2521399494,38cyclictest0-21swapper/008:37:270
2521399491,42cyclictest23579-21ssh09:12:320
2522799489,34cyclictest0-21swapper/209:09:112
2522799486,37cyclictest0-21swapper/209:28:162
2522799484,39cyclictest0-21swapper/211:16:062
2522799484,39cyclictest0-21swapper/209:47:232
2522799484,39cyclictest0-21swapper/208:46:122
2522799484,38cyclictest0-21swapper/210:05:222
2522799484,38cyclictest0-21swapper/206:52:002
2522799484,18cyclictest0-21swapper/210:57:492
2522799483,41cyclictest0-21swapper/209:39:412
25227994812,30cyclictest0-21swapper/207:22:052
25227994810,6cyclictest0-21swapper/211:06:032
2521399486,38cyclictest0-21swapper/010:54:140
2521399486,37cyclictest0-21swapper/010:22:520
2521399484,38cyclictest0-21swapper/011:27:300
2521399483,12cyclictest0-21swapper/006:16:440
2522799479,33cyclictest0-21swapper/207:07:062
2522799477,7cyclictest0-21swapper/208:22:312
2522799474,38cyclictest0-21swapper/206:42:072
2522799474,37cyclictest0-21swapper/206:32:062
2522799474,37cyclictest0-21swapper/206:32:062
2522799474,37cyclictest0-21swapper/206:22:062
2522799473,40cyclictest0-21swapper/210:35:002
2522799473,39cyclictest0-21swapper/209:00:522
2522799472,39cyclictest31251-21perl07:46:562
2521399475,37cyclictest0-21swapper/011:17:280
2521399474,37cyclictest0-21swapper/007:20:040
2522799464,37cyclictest0-21swapper/207:26:532
2522799464,37cyclictest0-21swapper/206:47:052
2522799464,36cyclictest0-21swapper/208:07:022
2521999463,4cyclictest0-21swapper/107:32:441
2521399463,38cyclictest0-21swapper/006:32:020
2521399463,38cyclictest0-21swapper/006:32:020
2521399463,37cyclictest30625-21crond07:46:420
2521399463,37cyclictest0-21swapper/006:38:200
2521399463,36cyclictest4262-21/usr/sbin/munin08:01:550
25233994510,11cyclictest0-21swapper/308:27:163
2522799454,10cyclictest0-21swapper/206:27:052
2522799454,10cyclictest0-21swapper/206:27:052
2522799453,37cyclictest0-21swapper/206:16:562
2522799452,10cyclictest27386-21fschecks_count07:36:552
2521999454,37cyclictest0-21swapper/107:47:081
2521399454,36cyclictest0-21swapper/007:01:430
2523399444,35cyclictest0-21swapper/309:07:043
2522799444,35cyclictest0-21swapper/207:11:582
2522799443,35cyclictest14489-21if_eth207:01:592
2522799443,35cyclictest12512-21sshd06:56:582
2522799443,35cyclictest0-21swapper/206:36:582
2521399444,35cyclictest0-21swapper/006:51:430
2521399443,35cyclictest0-21swapper/007:12:010
2521399442,7cyclictest564-21dbus-daemon06:26:440
2521399442,36cyclictest1081-21ntp_states07:52:030
300482433,6sleep30-21swapper/311:30:163
2522799434,34cyclictest0-21swapper/206:14:232
2522799433,36cyclictest0-21swapper/207:31:572
2522799433,36cyclictest0-21swapper/207:16:552
2521999433,35cyclictest0-21swapper/106:11:581
2521399434,34cyclictest0-21swapper/006:16:490
2521399433,35cyclictest0-21swapper/007:41:420
2521399433,35cyclictest0-21swapper/006:41:550
2521399433,35cyclictest0-21swapper/006:28:250
2521399433,35cyclictest0-21swapper/006:28:250
2521399433,34cyclictest0-21swapper/007:48:370
2521399433,34cyclictest0-21swapper/006:56:430
271682423,6sleep30-21swapper/310:01:293
261562423,6sleep30-21swapper/310:41:583
2521399423,7cyclictest0-21swapper/007:06:550
2521399422,7cyclictest23580-21tune2fs07:26:560
2521999413,34cyclictest0-21swapper/106:09:511
25219994128,8cyclictest12413-21grep06:56:571
2521399416,31cyclictest26935-21latency_hist07:36:420
2521399412,33cyclictest0-21swapper/007:26:420
192412413,6sleep10-21swapper/111:16:291
177222413,6sleep30-21swapper/309:47:373
92532403,6sleep10-21swapper/109:37:001
267122403,6sleep30-21swapper/311:26:133
2521399402,6cyclictest25241-21irqstats06:06:450
209032403,7sleep10-21swapper/109:09:511
320892393,6sleep10-21swapper/109:24:411
320892393,6sleep10-21swapper/109:24:411
25219993926,7cyclictest32581-21rm08:41:561
2521399393,6cyclictest15750-21latency_hist07:06:430
2471223914,19sleep20-21swapper/206:03:332
182802393,7sleep30-21swapper/311:14:263
112212393,6sleep30-21swapper/308:12:183
54782383,6sleep20-21swapper/208:03:402
25219993822,11cyclictest24710-21sed11:22:081
2521999382,23cyclictest71702grep10:16:581
187782383,6sleep30-21swapper/308:22:323
185322383,6sleep10-21swapper/107:12:081
44032373,6sleep30-21swapper/310:56:433
34502372,6sleep33576-21df08:46:513
25219993725,7cyclictest0-21swapper/109:36:031
25219993718,14cyclictest27690-21cpu10:01:501
2484123710,22sleep30-21swapper/306:05:103
239372379,20sleep10-21swapper/106:02:031
218802373,6sleep10-21swapper/110:36:531
19222373,6sleep30-21swapper/310:10:353
19222373,6sleep30-21swapper/310:10:353
155462373,6sleep30-21swapper/307:05:263
135262373,6sleep30-21swapper/306:58:303
54842363,6sleep30-21swapper/310:15:063
137632363,6sleep30-21swapper/309:42:173
271992353,6sleep20-21swapper/206:08:272
2521999354,26cyclictest0-21swapper/110:59:471
2331823511,18sleep00-21swapper/006:01:460
25233993423,6cyclictest5733-21diskmemload10:26:073
25233993422,7cyclictest6512-21/usr/sbin/munin10:17:003
2523399342,28cyclictest1350-21ssh10:51:583
25233993410,20cyclictest0-21swapper/309:31:223
25227993422,7cyclictest2314-21egrep07:56:532
25219993421,8cyclictest13864-21tune2fs08:16:561
2523399333,25cyclictest0-21swapper/308:52:153
2523399333,24cyclictest5303-21/usr/sbin/munin09:32:003
25233993314,14cyclictest22446-21needreboot10:37:013
25219993322,7cyclictest564-21dbus-daemon08:56:401
25219993320,8cyclictest6621-21latency08:07:011
2523399325,20cyclictest0-21swapper/309:16:533
2523399324,23cyclictest0-21swapper/309:04:513
2523399324,22cyclictest0-21swapper/307:21:553
25233993222,6cyclictest564-21dbus-daemon08:11:413
25233993220,7cyclictest28310-21sed07:37:103
2523399322,26cyclictest20297-21fschecks_time09:51:533
25233993214,14cyclictest505-17auditd09:16:403
2521999324,24cyclictest0-21swapper/110:00:081
2521999324,24cyclictest0-21swapper/108:57:041
2521999323,24cyclictest0-21swapper/111:29:361
25219993222,6cyclictest22475-21idleruntime09:11:551
25219993221,7cyclictest23576-21grep09:56:391
25219993221,7cyclictest22316-21head08:27:121
25219993221,7cyclictest19601-21/usr/sbin/munin11:16:481
25219993220,7cyclictest899-21cut10:51:521
25219993214,13cyclictest0-21swapper/110:47:051
2523399314,23cyclictest0-21swapper/311:07:513
2523399314,22cyclictest0-21swapper/311:01:583
25233993121,7cyclictest11351-21grep06:52:123
25233993121,6cyclictest30552-21unixbench_multi10:47:073
25233993121,6cyclictest17896-21/usr/sbin/munin10:31:513
25233993120,6cyclictest643-21runrttasks07:56:533
25233993119,7cyclictest4902-21cut08:02:073
25233993118,8cyclictest28708-21cut08:36:543
25233993118,8cyclictest28708-21cut08:36:543
25233993114,12cyclictest6685-21df_inode06:41:553
2521999315,22cyclictest0-21swapper/107:07:071
2521999314,22cyclictest0-21swapper/109:42:011
25219993121,6cyclictest31955-21sendmail_mailtr11:32:021
25219993121,6cyclictest31955-21sendmail_mailtr11:32:021
25219993120,6cyclictest5733-21diskmemload08:12:421
25219993119,8cyclictest4435-21crond09:31:391
25219993119,7cyclictest572-21gdbus06:26:441
25219993119,7cyclictest25069-21fschecks_time08:31:561
25219993117,8cyclictest549-21NetworkManager11:06:371
156222313,6sleep10-21swapper/107:06:211
2523399305,21cyclictest0-21swapper/310:27:183
2523399304,23cyclictest0-21swapper/310:05:053
2523399304,21cyclictest0-21swapper/307:26:543
2523399304,21cyclictest0-21swapper/307:16:573
25233993021,5cyclictest25079-21fschecks_time08:31:563
25233993020,6cyclictest860-21timerandwakeup08:42:083
25233993020,6cyclictest31172-21forks11:31:503
25233993020,6cyclictest31172-21forks11:31:503
25233993019,7cyclictest3740-21wc06:32:123
25233993019,7cyclictest3740-21wc06:32:123
25233993019,7cyclictest29709-21tr07:42:023
25233993019,6cyclictest5733-21diskmemload09:22:073
25233993019,6cyclictest5733-21diskmemload09:22:073
25233993018,7cyclictest9065-21kernelversion09:36:573
25233993018,7cyclictest1583-21cat06:27:033
25233993018,7cyclictest1583-21cat06:27:033
2521999305,20cyclictest0-21swapper/108:46:511
2521999305,18cyclictest2691-21/usr/sbin/munin07:56:581
2521999304,23cyclictest0-21swapper/110:15:141
2521999304,22cyclictest0-21swapper/108:02:051
2521999304,21cyclictest0-21swapper/110:26:571
2521999304,21cyclictest0-21swapper/107:36:561
2521999302,23cyclictest8410-21aten_rbpower_cu06:46:541
25219993018,7cyclictest4832-21entropy06:36:571
25219993018,7cyclictest3941-21unixbench_multi06:32:151
25219993018,7cyclictest3941-21unixbench_multi06:32:151
25219993018,7cyclictest29701-21tr07:42:021
25219993018,7cyclictest1160-21fschecks_count06:26:561
25219993018,7cyclictest1160-21fschecks_count06:26:561
25219993018,7cyclictest10498-21entropy10:21:511
25219993015,12cyclictest481-21ksmtuned10:07:371
25219993015,12cyclictest481-21ksmtuned10:07:371
206002302,4sleep10-21swapper/108:26:331
25233992919,6cyclictest8749-21fschecks_time06:46:583
25233992919,6cyclictest19544-21ksmtuned11:16:413
25233992917,7cyclictest14371-21open_files08:17:063
25233992915,9cyclictest564-21dbus-daemon06:36:433
2523399291,24cyclictest25992-21taskset07:32:053
2521999295,19cyclictest0-21swapper/111:06:481
2521999295,19cyclictest0-21swapper/109:16:571
2521999293,22cyclictest0-21swapper/110:35:411
25219992917,8cyclictest15856-21sed09:02:111
25219992917,8cyclictest11447-21sed06:52:131
25219992917,7cyclictest28497-21cut08:36:511
25219992917,7cyclictest28497-21cut08:36:511
25219992917,7cyclictest24461-21timerwakeupswit07:27:111
25219992917,7cyclictest16445-21fschecks_time09:46:521
25219992916,7cyclictest19947-21fschecks_time07:16:561
2523399284,19cyclictest0-21swapper/307:06:493
25233992819,5cyclictest643-21runrttasks07:13:493
25233992818,6cyclictest404-21cpu07:51:513
25233992818,6cyclictest31934-21timerwakeupswit07:47:103
25233992818,6cyclictest29843-21fschecks_count06:16:583
25233992818,6cyclictest10869-21aten_rbpower_en08:56:493
25233992816,7cyclictest390-21seq06:24:023
2521999283,22cyclictest0-21swapper/110:44:141
2521999282,21cyclictest21735-21uniq07:21:571
25219992818,6cyclictest30621-21timerwakeupswit06:17:131
25219992813,11cyclictest1565-21head07:52:101
25219992812,11cyclictest0-21swapper/106:42:111
25227992713,10cyclictest1520-21sed07:52:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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