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2026-09-10 - 19:04
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Thu Sep 10, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117702820,5sleep10-21swapper/107:24:161
1461499744,45cyclictest0-21swapper/308:20:073
14599997111,20cyclictest10808-21fschecks_time08:29:040
14599996514,45cyclictest27122-21/usr/sbin/munin09:34:120
14599996514,45cyclictest27122-21/usr/sbin/munin09:34:120
1459999637,50cyclictest0-21swapper/008:42:180
1459999629,46cyclictest4391-21tune2fs10:29:060
14599996214,42cyclictest5270-21/usr/sbin/munin07:09:130
14599996211,45cyclictest22684-21/usr/sbin/munin06:29:180
1459999617,48cyclictest0-21swapper/010:38:350
1459999608,46cyclictest5780-21kworker/0:111:36:530
1459999606,48cyclictest0-21swapper/009:01:140
14599996046,9cyclictest0-21swapper/010:59:180
1460399595,48cyclictest0-21swapper/108:36:421
14599995912,41cyclictest11852-21grep10:39:000
14599995816,36cyclictest24306-21/usr/sbin/munin09:29:140
14599995815,10cyclictest0-21swapper/008:24:110
14599995812,40cyclictest10874-21/usr/sbin/munin07:24:220
1459999579,43cyclictest5780-21kworker/0:111:27:390
14599995719,33cyclictest629-21snmpd09:21:080
14599995715,36cyclictest31561-21memory09:39:070
14599995713,38cyclictest9979-21/usr/sbin/munin11:19:040
14599995713,38cyclictest21871-21ssh09:26:180
14599995713,38cyclictest20813-21/usr/sbin/munin06:24:130
14599995712,39cyclictest32028-21/usr/sbin/munin06:54:190
14599995712,38cyclictest4651-21df_inode09:04:020
1461499564,45cyclictest0-21swapper/311:26:483
1461499564,45cyclictest0-21swapper/310:44:393
1460399564,7cyclictest0-21swapper/109:09:411
1460399563,10cyclictest0-21swapper/108:39:121
1459999568,42cyclictest0-21swapper/010:57:100
1459999563,47cyclictest0-21swapper/007:38:520
14599995615,9cyclictest6584-21/usr/sbin/munin11:14:100
14599995614,37cyclictest14111-21interrupts09:59:040
14599995613,37cyclictest17427-21tune2fs06:14:070
14599995613,37cyclictest16925-21/usr/sbin/munin11:29:080
14599995612,38cyclictest17279-21ssh08:37:540
14599995610,41cyclictest15040-21hwlatdetect07:34:060
1461499554,45cyclictest0-21swapper/311:30:083
1461499554,45cyclictest0-21swapper/309:32:023
1460399554,46cyclictest0-21swapper/109:08:411
1459999559,40cyclictest573-21irqbalance09:53:400
1459999554,45cyclictest0-21swapper/009:47:100
14599995515,34cyclictest0-21swapper/010:16:420
14599995515,34cyclictest0-21swapper/008:50:070
14599995515,34cyclictest0-21swapper/008:50:070
14599995513,36cyclictest4216-21ssh11:11:240
14599995513,36cyclictest4216-21ssh11:11:240
14599995513,36cyclictest29868-21iostat08:54:070
14599995513,36cyclictest22607-21ntp_states08:44:120
14599995513,36cyclictest1900-21ssh10:25:020
14599995513,36cyclictest1900-21ssh10:25:020
14599995513,36cyclictest18946-21/usr/sbin/munin06:19:180
14599995513,36cyclictest0-21swapper/011:06:110
14599995513,36cyclictest0-21swapper/009:17:490
14599995512,38cyclictest30161-21/usr/sbin/munin06:49:070
14599995512,37cyclictest2863-21chrt07:00:050
14599995512,37cyclictest19106-21ssh10:04:560
14599995511,38cyclictest7138-21/usr/sbin/munin07:14:150
14599995511,38cyclictest32378-21ntp_states08:14:140
14599995511,38cyclictest29180-21fschecks_time10:19:020
14599995511,38cyclictest23968-21/usr/sbin/munin07:59:040
1461499543,10cyclictest0-21swapper/309:49:103
1460399544,44cyclictest0-21swapper/109:49:001
1460399544,43cyclictest0-21swapper/109:44:401
14603995416,34cyclictest30667-21unixbench_multi08:54:201
1459999543,45cyclictest5780-21kworker/0:110:43:480
14599995412,37cyclictest3472-21cut07:04:030
14599995412,37cyclictest3416-21if_eth208:19:050
14599995412,36cyclictest29212-21users08:09:240
14599995411,38cyclictest0-21swapper/009:11:310
14599995314,8cyclictest26861-21basename06:39:080
14599995313,35cyclictest19628-21/usr/sbin/munin10:49:040
14599995313,34cyclictest12744-21/usr/sbin/munin07:29:100
14599995313,13cyclictest22599-21users10:09:210
14599995312,35cyclictest25852-21/usr/sbin/munin08:04:050
14599995311,36cyclictest12766-21ssh09:57:390
14599995310,37cyclictest20228-21/usr/sbin/munin07:49:050
14599995310,37cyclictest20228-21/usr/sbin/munin07:49:050
1460399524,42cyclictest0-21swapper/110:10:201
1460399524,10cyclictest0-21swapper/107:06:441
1460399523,42cyclictest0-21swapper/110:01:001
1460399523,24cyclictest0-21swapper/108:10:501
14599995213,33cyclictest28291-21/usr/sbin/munin06:44:210
1461499514,42cyclictest0-21swapper/309:14:013
1460399514,42cyclictest0-21swapper/110:26:591
1460399514,42cyclictest0-21swapper/110:26:591
1460399514,41cyclictest0-21swapper/111:12:581
1460399514,41cyclictest0-21swapper/111:12:581
1460399513,42cyclictest0-21swapper/110:41:291
1460399513,42cyclictest0-21swapper/108:16:121
14599995112,33cyclictest18356-21/usr/sbin/munin07:44:130
1460399505,38cyclictest0-21swapper/106:34:071
1460399504,6cyclictest0-21swapper/109:42:501
1460399504,40cyclictest0-21swapper/111:05:321
1460399504,40cyclictest0-21swapper/110:49:381
1460399504,40cyclictest0-21swapper/110:16:491
1460399503,42cyclictest0-21swapper/110:31:361
1460399503,42cyclictest0-21swapper/109:22:011
1460399503,10cyclictest0-21swapper/111:31:081
1460399502,42cyclictest31592-21ssh10:22:211
14599995012,32cyclictest16833-21sshd06:13:380
14599995012,32cyclictest16833-21sshd06:13:380
1461499494,39cyclictest0-21swapper/308:26:423
14614994912,31cyclictest0-21swapper/311:03:553
1460399498,35cyclictest0-21swapper/111:27:071
1460399494,40cyclictest0-21swapper/107:54:211
1460399494,40cyclictest0-21swapper/107:54:211
1460399494,39cyclictest0-21swapper/109:24:461
1460399493,9cyclictest0-21swapper/111:34:081
1460399493,8cyclictest0-21swapper/107:14:041
14603994912,31cyclictest0-21swapper/108:24:141
14603994910,33cyclictest0-21swapper/110:54:251
14599994910,34cyclictest26150-21sshd06:38:160
1461499484,9cyclictest0-21swapper/309:24:313
14614994832,11cyclictest0-21swapper/310:01:103
14614994811,6cyclictest0-21swapper/310:28:043
14614994811,6cyclictest0-21swapper/310:28:043
1460399487,13cyclictest0-21swapper/110:37:491
1460399484,39cyclictest0-21swapper/111:14:391
1460399484,38cyclictest0-21swapper/111:03:201
1460399484,38cyclictest0-21swapper/109:03:421
1460399484,38cyclictest0-21swapper/108:20:131
1460399484,37cyclictest0-21swapper/109:34:261
1460399484,37cyclictest0-21swapper/109:34:261
1460399483,9cyclictest26824-21runrttasks08:49:181
1460399483,9cyclictest26824-21runrttasks08:49:181
1460399483,40cyclictest0-21swapper/109:32:201
1460399483,39cyclictest0-21swapper/111:18:581
1460399483,39cyclictest0-21swapper/109:56:201
14603994810,33cyclictest0-21swapper/108:33:211
1461499479,32cyclictest0-21swapper/310:49:163
1461499475,36cyclictest0-21swapper/311:35:073
1461499474,37cyclictest0-21swapper/310:34:143
1461499474,37cyclictest0-21swapper/310:19:493
1461499474,37cyclictest0-21swapper/309:11:543
1461499474,37cyclictest0-21swapper/308:34:303
1461499474,37cyclictest0-21swapper/308:09:173
1461499473,37cyclictest22556-21sshd07:54:063
1461499473,37cyclictest22556-21sshd07:54:063
14614994715,27cyclictest27511-21diskmemload10:41:543
14614994711,5cyclictest0-21swapper/308:30:573
14614994711,30cyclictest0-21swapper/310:11:363
1460399474,38cyclictest0-21swapper/110:46:201
1460399474,38cyclictest0-21swapper/110:05:281
1460399474,38cyclictest0-21swapper/107:59:171
1459999476,36cyclictest0-21swapper/007:54:220
1459999476,36cyclictest0-21swapper/007:54:220
142012477,13sleep30-21swapper/306:07:023
142012477,13sleep30-21swapper/306:07:023
1461499464,37cyclictest0-21swapper/306:18:443
1461499464,36cyclictest0-21swapper/311:19:553
1461499464,36cyclictest0-21swapper/310:14:353
1461499464,36cyclictest0-21swapper/309:55:013
1461499464,36cyclictest0-21swapper/309:44:113
1461499464,36cyclictest0-21swapper/309:19:033
1461499464,36cyclictest0-21swapper/308:50:373
1461499464,36cyclictest0-21swapper/308:50:373
1461499463,38cyclictest0-21swapper/311:15:283
1460999464,37cyclictest0-21swapper/210:44:212
1460999464,37cyclictest0-21swapper/209:54:292
1460999464,16cyclictest0-21swapper/210:22:322
1460399464,36cyclictest0-21swapper/108:47:541
14603994614,26cyclictest18520-21kworker/1:209:14:051
14603994612,29cyclictest0-21swapper/107:36:481
193862453,8sleep20-21swapper/211:31:332
1461499458,32cyclictest0-21swapper/310:55:423
1461499455,15cyclictest27511-21diskmemload09:43:063
1461499454,36cyclictest0-21swapper/309:34:083
1461499454,36cyclictest0-21swapper/309:34:083
1461499454,36cyclictest0-21swapper/307:04:163
1461499454,36cyclictest0-21swapper/306:50:063
1461499454,36cyclictest0-21swapper/306:19:433
1461499454,35cyclictest0-21swapper/309:03:253
1461499454,16cyclictest0-21swapper/311:13:243
1461499454,16cyclictest0-21swapper/311:13:243
1461499453,38cyclictest0-21swapper/311:00:183
1461499453,37cyclictest0-21swapper/307:24:213
1461499453,36cyclictest0-21swapper/308:39:133
1460399454,36cyclictest0-21swapper/107:48:171
1459999453,5cyclictest0-21swapper/007:18:560
1461499444,35cyclictest0-21swapper/307:29:353
1461499444,35cyclictest0-21swapper/306:59:203
1461499444,34cyclictest0-21swapper/309:03:533
1461499443,36cyclictest0-21swapper/306:39:053
1461499443,36cyclictest0-21swapper/306:09:323
1461499443,36cyclictest0-21swapper/306:09:323
1461499443,35cyclictest0-21swapper/310:30:563
1461499443,35cyclictest0-21swapper/310:04:093
1461499443,35cyclictest0-21swapper/307:19:033
8712433,8sleep20-21swapper/210:24:082
8712433,8sleep20-21swapper/210:24:082
48062433,7sleep20-21swapper/209:46:452
205692433,7sleep20-21swapper/210:08:062
146462433,7sleep20-21swapper/211:24:292
1461499434,9cyclictest0-21swapper/307:50:443
1461499434,9cyclictest0-21swapper/307:50:443
1461499434,9cyclictest0-21swapper/306:25:463
1461499434,35cyclictest0-21swapper/307:16:503
1461499434,34cyclictest0-21swapper/308:56:113
1461499434,34cyclictest0-21swapper/308:44:233
1461499434,34cyclictest0-21swapper/307:38:513
1461499433,35cyclictest0-21swapper/308:00:523
1461499433,35cyclictest0-21swapper/307:39:093
1461499433,35cyclictest0-21swapper/306:44:063
1461499433,35cyclictest0-21swapper/306:38:213
1461499433,34cyclictest20010-21idleruntime-cro07:48:513
1460399434,6cyclictest0-21swapper/106:08:571
1460399434,6cyclictest0-21swapper/106:08:571
1460399433,15cyclictest0-21swapper/107:00:581
140592433,8sleep20-21swapper/210:41:422
45562423,8sleep20-21swapper/211:12:092
45562423,8sleep20-21swapper/211:12:092
277262423,7sleep20-21swapper/208:08:532
237012423,7sleep20-21swapper/210:11:402
216562423,7sleep20-21swapper/207:51:142
216562423,7sleep20-21swapper/207:51:142
1461499424,9cyclictest0-21swapper/306:29:493
1461499423,34cyclictest0-21swapper/306:57:463
14609994232,6cyclictest0-21swapper/206:08:532
14609994232,6cyclictest0-21swapper/206:08:532
1460399423,35cyclictest0-21swapper/108:07:211
1460399423,35cyclictest0-21swapper/106:33:261
1460399423,34cyclictest0-21swapper/107:53:101
1460399423,34cyclictest0-21swapper/107:53:101
1461499413,34cyclictest0-21swapper/307:08:563
1460999414,12cyclictest0-21swapper/210:34:272
142152413,8sleep20-21swapper/207:31:432
279752403,7sleep20-21swapper/210:17:442
180622403,8sleep20-21swapper/209:21:172
48812393,7sleep20-21swapper/207:06:562
224232393,7sleep20-21swapper/206:28:252
223642393,7sleep10-21swapper/106:27:441
1404923915,18sleep20-21swapper/206:05:122
1404923915,18sleep20-21swapper/206:05:122
106342393,31sleep10-21swapper/107:23:371
85942383,30sleep20-21swapper/207:16:342
289702383,7sleep20-21swapper/208:53:402
289702383,7sleep20-21swapper/208:53:402
255952383,7sleep20-21swapper/208:03:212
204512383,8sleep20-21swapper/208:41:372
14614993826,7cyclictest31643-21cut08:14:013
9812373,7sleep20-21swapper/209:41:382
1460999374,26cyclictest0-21swapper/209:51:382
1460999374,26cyclictest0-21swapper/206:14:072
274432362,5sleep227465-21ntp_states10:59:092
14609993625,7cyclictest23328-21grep07:54:202
14609993625,7cyclictest23328-21grep07:54:202
14609993523,7cyclictest5812-21ls07:09:102
14609993523,7cyclictest30050-21ls08:54:102
14609993517,13cyclictest26550-21netstat08:04:112
1404323511,18sleep10-21swapper/106:05:071
1404323511,18sleep10-21swapper/106:05:071
297872343,8sleep10-21swapper/106:47:071
279312342,6sleep227959-21ntp_states09:34:132
279312342,6sleep227959-21ntp_states09:34:132
1460999343,26cyclictest0-21swapper/206:45:152
14609993423,7cyclictest30436-21/usr/sbin/munin11:04:032
14609993423,6cyclictest9107-21latency_hist11:18:462
14609993422,7cyclictest14241-21ls09:59:062
1425123411,17sleep00-21swapper/006:07:350
1425123411,17sleep00-21swapper/006:07:350
276082333,6sleep10-21swapper/106:39:231
14609993324,5cyclictest22795-21ssh08:44:162
14609993321,7cyclictest4434-21ls10:29:062
14609993316,12cyclictest30650-21interrupts06:49:082
14603993323,6cyclictest21-21ksoftirqd/106:18:521
126782332,4sleep212748-21ls09:14:092
1460999324,23cyclictest0-21swapper/211:21:332
1460999324,23cyclictest0-21swapper/209:02:002
1460999324,22cyclictest0-21swapper/208:14:012
1460999323,25cyclictest0-21swapper/208:24:032
14609993221,7cyclictest25091-21grep06:34:102
14609993219,8cyclictest23508-21processes06:29:162
14609993215,12cyclictest27237-21proc_pri06:39:162
1460399323,25cyclictest0-21swapper/107:30:321
1460999315,21cyclictest0-21swapper/210:54:152
1460999314,23cyclictest0-21swapper/206:54:122
1460999314,23cyclictest0-21swapper/206:22:512
1460999314,21cyclictest0-21swapper/211:33:522
14609993121,6cyclictest20062-21iostat09:24:052
14609993120,7cyclictest11438-21latency07:24:102
14609993120,7cyclictest11114-21load08:29:092
14609993119,7cyclictest9409-21timerwakeupswit09:09:172
14609993119,7cyclictest21024-21awk10:50:262
14609993118,8cyclictest19787-21sshd07:46:142
14603993118,7cyclictest32753-21tr06:54:121
1461499303,23cyclictest0-21swapper/308:08:273
1460999304,21cyclictest0-21swapper/208:22:322
1460999304,21cyclictest0-21swapper/206:59:032
1460999304,20cyclictest0-21swapper/207:34:022
14609993018,8cyclictest18002-21sshd07:42:152
14609993018,7cyclictest551-21ntpd08:34:112
14609993014,11cyclictest549-21NetworkManager09:08:482
1460999294,21cyclictest0-21swapper/209:30:552
1460999294,20cyclictest0-21swapper/207:18:592
1460399294,19cyclictest0-21swapper/106:49:021
14603992920,6cyclictest16852-21fschecks_time07:39:061
1460399284,19cyclictest0-21swapper/106:19:041
1460399274,19cyclictest0-21swapper/107:09:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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