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2026-07-22 - 09:10
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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 Wed Jul 22, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13155998319,58cyclictest21974-21ssh22:39:092
13160997913,5cyclictest0-21swapper/322:42:443
13155997918,56cyclictest26055-21diskmemload20:46:032
13155997721,49cyclictest11821-21ssh21:00:022
1316099763,15cyclictest14872-21ssh21:03:343
1316099754,6cyclictest0-21swapper/323:33:273
13160997412,6cyclictest26055-21diskmemload23:06:303
13155997425,43cyclictest23097-21/usr/sbin/munin19:01:242
1316099737,14cyclictest0-21swapper/320:55:373
1316099734,61cyclictest0-21swapper/323:16:563
1316099734,18cyclictest0-21swapper/323:42:343
13155997324,43cyclictest15039-21/usr/sbin/munin20:06:252
1316099728,7cyclictest0-21swapper/321:19:593
1316099728,5cyclictest0-21swapper/322:07:023
1316099728,5cyclictest0-21swapper/300:05:303
1316099724,7cyclictest0-21swapper/322:13:023
1316099724,62cyclictest0-21swapper/321:08:543
13160997215,6cyclictest6553-21missed_timers23:01:153
13160997211,7cyclictest9344-21iostat20:56:143
13155997226,39cyclictest11290-21/usr/sbin/munin19:56:262
1316099719,55cyclictest0-21swapper/322:49:193
1316099714,61cyclictest0-21swapper/321:31:493
1316099714,61cyclictest0-21swapper/321:31:493
13160997110,55cyclictest0-21swapper/322:56:053
13155997125,40cyclictest4985-21ntpdc22:16:162
13155997122,43cyclictest1942-21/usr/sbin/munin19:31:192
13155997120,44cyclictest19229-21ssh21:51:382
1316099704,7cyclictest0-21swapper/323:59:313
1316099704,7cyclictest0-21swapper/321:26:533
1316099704,7cyclictest0-21swapper/320:49:503
1316099704,17cyclictest0-21swapper/320:42:353
1316099704,17cyclictest0-21swapper/320:42:353
13155997023,42cyclictest19830-21ssh23:19:052
1316099695,58cyclictest0-21swapper/321:24:533
1316099694,6cyclictest0-21swapper/323:53:103
1316099694,6cyclictest0-21swapper/322:04:383
1316099694,59cyclictest0-21swapper/322:26:423
1316099694,59cyclictest0-21swapper/322:26:423
1316099694,59cyclictest0-21swapper/321:53:593
1316099694,58cyclictest0-21swapper/322:23:003
1316099694,18cyclictest0-21swapper/321:57:423
13155996924,40cyclictest7892-21fschecks_time19:46:132
13155996924,38cyclictest20961-21/usr/sbin/munin23:21:242
13155996922,41cyclictest15520-21ssh21:46:442
13155996922,13cyclictest17487-21/usr/sbin/munin18:46:242
13155996921,43cyclictest13164-21/usr/sbin/munin20:01:272
13155996920,44cyclictest23278-21ntpq20:26:222
13155996920,43cyclictest19146-21ssh21:09:452
1316099685,57cyclictest9375-21ssh23:47:273
1316099685,57cyclictest9375-21ssh23:47:273
1316099685,57cyclictest0-21swapper/321:37:483
1316099685,57cyclictest0-21swapper/321:37:483
1316099684,6cyclictest0-21swapper/321:49:523
1316099684,58cyclictest0-21swapper/323:27:153
1316099684,57cyclictest0-21swapper/323:36:073
1316099684,57cyclictest0-21swapper/323:12:513
1316099684,14cyclictest0-21swapper/323:22:103
1316099682,60cyclictest22569-21ssh22:40:253
13155996824,38cyclictest15825-21ssh23:13:372
13155996823,40cyclictest23353-21fschecks_count22:41:112
13155996822,40cyclictest26359-21/usr/sbin/munin20:36:212
13155996822,40cyclictest19933-21ssh21:11:002
13155996821,40cyclictest27193-21perl19:11:162
13155996813,50cyclictest28702-21chrt22:05:492
1316099675,7cyclictest0-21swapper/322:34:023
1316099674,6cyclictest0-21swapper/322:18:473
1316099674,57cyclictest0-21swapper/320:36:523
1316099674,56cyclictest0-21swapper/321:13:303
13155996725,9cyclictest3591-21ssh22:56:432
13155996724,38cyclictest18343-21ssh22:34:282
13155996723,38cyclictest30617-21basename19:21:112
13155996723,38cyclictest30617-21basename19:21:112
13155996723,38cyclictest15621-21/usr/sbin/munin18:41:212
13155996723,38cyclictest15078-21ssh21:04:002
13155996722,40cyclictest32233-21ssh22:51:492
1316099669,5cyclictest0-21swapper/322:54:453
13155996625,35cyclictest20642-21/usr/sbin/munin20:21:152
13155996624,36cyclictest8118-21df22:21:082
13155996623,38cyclictest29044-21/usr/sbin/munin22:06:122
13155996623,37cyclictest32137-21ntp_states21:26:212
13155996623,37cyclictest2570-21ssh23:39:042
13155996623,37cyclictest10221-21/usr/sbin/munin21:41:272
13155996623,10cyclictest32465-21ssh20:43:402
13155996623,10cyclictest32465-21ssh20:43:402
13155996622,38cyclictest8487-21mailstats23:46:192
13155996622,38cyclictest8487-21mailstats23:46:192
13155996622,38cyclictest4230-21ssh21:31:462
13155996622,38cyclictest4230-21ssh21:31:462
13155996622,38cyclictest30201-21ssh23:31:592
13155996622,38cyclictest21785-21ssh00:04:442
13155996622,38cyclictest19359-21/usr/sbin/munin18:51:252
13155996622,38cyclictest11900-21ssh23:08:182
13155996622,10cyclictest16903-21/usr/sbin/munin20:11:142
13155996621,39cyclictest9423-21/usr/sbin/munin19:51:252
13155996621,39cyclictest23133-21ssh21:56:562
13155996621,39cyclictest21227-21/usr/sbin/munin18:56:132
13155996620,40cyclictest29685-21ssh22:49:272
1316099656,12cyclictest0-21swapper/321:41:503
13155996524,36cyclictest6328-21timerwakeupswit20:51:282
13155996524,36cyclictest24747-21sendmail_mailtr21:16:222
13155996522,38cyclictest5390-21ssh23:42:012
13155996522,37cyclictest24967-21/usr/sbin/munin19:06:282
13155996522,10cyclictest28703-21/usr/sbin/munin19:16:282
13155996522,10cyclictest28703-21/usr/sbin/munin19:16:282
13155996521,38cyclictest8124-21ssh21:37:012
13155996521,38cyclictest8124-21ssh21:37:012
13155996521,38cyclictest13695-21ssh23:53:352
13155996519,40cyclictest261861ssh20:35:582
13155996423,36cyclictest1131-21grep22:11:162
13155996422,37cyclictest14763-21latency_hist23:55:532
13155996421,38cyclictest32441-21/usr/sbin/munin19:26:112
13155996420,39cyclictest8905-21ssh23:05:012
13155996420,38cyclictest25594-21ntp_states23:26:182
13155996417,42cyclictest28804-21ssh21:21:272
13155996321,36cyclictest3814-21/usr/sbin/munin19:36:142
13155996321,15cyclictest14736-21ssh22:29:512
13155996321,15cyclictest14736-21ssh22:29:512
13155996319,38cyclictest19178-21fschecks_time20:16:132
13155996221,36cyclictest5683-21/usr/sbin/munin19:41:282
1283126010,43sleep20-21swapper/218:35:112
13155995914,38cyclictest14952-21/usr/sbin/munin18:36:302
13160995620,31cyclictest14030-21gzip20:01:223
13160995619,31cyclictest13933-21forks18:36:143
1314399554,45cyclictest13991-21/usr/sbin/munin21:46:280
13160995213,7cyclictest28994-21uniq19:16:123
13160995213,7cyclictest28994-21uniq19:16:123
1316099513,21cyclictest0-21swapper/319:30:383
1316099512,18cyclictest9597-21diskstats19:51:143
13160995118,27cyclictest19744-21cut18:51:163
1316099503,21cyclictest0-21swapper/320:26:063
1316099503,20cyclictest0-21swapper/320:31:523
1316099503,20cyclictest0-21swapper/319:23:083
1316099503,20cyclictest0-21swapper/319:23:083
13160995017,6cyclictest7154-21ps19:43:533
1314699504,10cyclictest0-21swapper/122:21:271
13143995010,34cyclictest1405-21ssh23:36:340
1316099493,20cyclictest0-21swapper/320:25:413
1316099493,20cyclictest0-21swapper/319:37:233
1316099493,18cyclictest0-21swapper/318:42:543
13160994916,7cyclictest21984-21cat18:56:223
1314399499,7cyclictest0-21swapper/022:23:220
1314399498,35cyclictest0-21swapper/020:46:320
1314399494,40cyclictest0-21swapper/022:31:190
1314399493,41cyclictest23013-21ssh21:56:390
1316099483,19cyclictest0-21swapper/319:13:333
1316099483,18cyclictest0-21swapper/319:56:103
13160994814,7cyclictest26087-21cat19:06:313
1314699488,34cyclictest0-21swapper/122:13:211
1314699485,36cyclictest13750-21/usr/sbin/munin18:36:181
1314699484,38cyclictest0-21swapper/121:56:211
1314399485,37cyclictest0-21swapper/022:46:590
1314399484,38cyclictest0-21swapper/023:31:280
1314399484,38cyclictest0-21swapper/022:56:320
1316099473,21cyclictest0-21swapper/320:06:133
1316099473,19cyclictest0-21swapper/319:49:163
1316099473,17cyclictest0-21swapper/320:11:303
1316099473,14cyclictest18871-21awk18:47:513
1314699475,36cyclictest0-21swapper/121:42:161
1314699474,39cyclictest0-21swapper/120:51:301
1314699473,39cyclictest0-21swapper/123:16:361
13146994711,31cyclictest26917-21ssh21:20:151
1314399478,7cyclictest11644-21ssh21:41:300
1314399477,34cyclictest10001-21ssh23:06:090
13143994710,31cyclictest0-21swapper/021:36:330
13143994710,31cyclictest0-21swapper/021:36:330
1316099463,20cyclictest0-21swapper/319:02:583
1316099463,15cyclictest19286-21/usr/sbin/munin20:16:163
1314699465,36cyclictest0-21swapper/122:41:391
13146994613,27cyclictest8900-21ssh23:46:261
13146994613,27cyclictest8900-21ssh23:46:261
1316099453,20cyclictest0-21swapper/319:32:163
1314699454,36cyclictest27646-21tr22:46:171
1314699454,36cyclictest0-21swapper/100:01:301
13146994510,29cyclictest16727-21ssh23:15:331
1314399454,36cyclictest0-21swapper/023:29:320
1314399453,37cyclictest0-21swapper/022:11:260
13143994514,6cyclictest23873-21tr22:41:180
13143994512,27cyclictest29938-21latency_hist20:40:580
13143994410,29cyclictest28991-21ssh21:21:380
13143994410,27cyclictest17303-21wget23:16:060
1314399428,28cyclictest6709-21ssh22:18:550
1314399423,34cyclictest0-21swapper/018:36:490
13143994111,24cyclictest7367-21ssh23:01:430
1314699406,27cyclictest26817-21sh23:27:491
1314699400,34cyclictest27515-21ssh22:03:141
1314399390,33cyclictest23337-21sh21:15:410
179682383,7sleep10-21swapper/121:51:121
1314399384,28cyclictest0-21swapper/020:59:210
243862373,8sleep10-21swapper/119:01:461
1314699370,31cyclictest30477-21ssh21:24:501
1314399374,29cyclictest0-21swapper/020:40:590
1314399374,29cyclictest0-21swapper/020:40:590
13143993725,7cyclictest6633-21switchtime19:41:270
1268323714,17sleep30-21swapper/318:33:233
13143993624,7cyclictest18967-21ssh21:51:270
1314399361,29cyclictest4163-21hwlatdetect23:41:100
1124523613,17sleep10-21swapper/118:31:041
13143993522,8cyclictest10599-21grep19:51:310
222472343,8sleep00-21swapper/022:39:450
1314699344,25cyclictest0-21swapper/121:08:241
13146993423,7cyclictest16147-21cat22:31:131
13146993422,8cyclictest6465-21/usr/sbin/munin21:36:261
13146993422,8cyclictest6465-21/usr/sbin/munin21:36:261
1314699342,15cyclictest13644-21interrupts20:01:131
13146993410,18cyclictest32730-21ssh23:36:081
1314399343,27cyclictest0-21swapper/020:21:110
13143993421,8cyclictest3591-21crond19:35:580
13143993421,8cyclictest12789-21fschecks_count21:01:120
13143993418,11cyclictest13725-21uniq23:11:100
13143993415,14cyclictest0-21swapper/022:03:270
13143993412,17cyclictest10981-21ssh23:50:530
13143993412,17cyclictest10981-21ssh23:50:530
13146993319,8cyclictest20805-21awk21:11:191
13146993316,12cyclictest0-21swapper/121:50:001
1314399335,23cyclictest0-21swapper/020:53:440
1314399334,23cyclictest0-21swapper/021:06:050
1314399333,27cyclictest0-21swapper/020:19:410
1314399333,25cyclictest0-21swapper/023:21:310
1314399333,25cyclictest0-21swapper/019:13:300
13143993323,6cyclictest11543-21fschecks_count23:51:090
13143993322,7cyclictest18031-21ls18:46:180
13143993318,9cyclictest21551-21tune2fs18:56:140
13143993318,10cyclictest16358-21awk18:41:240
13143993317,11cyclictest0-21swapper/021:17:330
109872333,7sleep10-21swapper/119:55:011
237892323,5sleep10-21swapper/123:24:291
1314699325,22cyclictest6591-21ssh22:18:391
1314699324,23cyclictest0-21swapper/123:00:511
1314699324,23cyclictest0-21swapper/122:51:071
13146993221,7cyclictest12077-21ntp_kernel_pll_23:51:161
13146993221,6cyclictest29721-21missed_timers22:06:151
13146993220,8cyclictest3417-21cat21:31:201
13146993220,8cyclictest3417-21cat21:31:201
13146993220,7cyclictest25046-21aten_rbpower_po19:06:111
13146993217,10cyclictest0-21swapper/123:07:221
13146993216,11cyclictest0-21swapper/121:02:291
1314399325,21cyclictest0-21swapper/023:56:030
1314399323,25cyclictest0-21swapper/019:03:300
13143993220,7cyclictest32387-21switchtime21:26:250
13143993220,7cyclictest19967-21memory18:51:200
13143993219,9cyclictest29355-21cut22:06:100
13143993217,10cyclictest0-21swapper/021:34:140
13143993217,10cyclictest0-21swapper/021:34:140
13143993217,10cyclictest0-21swapper/019:29:000
13143993217,10cyclictest0-21swapper/000:01:130
1262223210,16sleep00-21swapper/018:32:400
1314699314,22cyclictest0-21swapper/123:01:451
1314699314,22cyclictest0-21swapper/119:40:541
1314699314,22cyclictest0-21swapper/119:33:001
13146993122,6cyclictest32631-21unixbench_singl21:26:291
13146993121,6cyclictest580-21ksmtuned18:52:511
13146993120,7cyclictest643-21runrttasks18:58:181
13146993120,7cyclictest15570-21sh23:56:091
13146993119,7cyclictest4680-21grep23:41:201
13146993118,7cyclictest1526-21wget20:46:111
13146993117,9cyclictest13089-21grep22:26:281
13146993117,9cyclictest13089-21grep22:26:281
13146993113,12cyclictest17291-21fschecks_time20:11:141
1314699311,24cyclictest19482-21ssh22:36:081
1314399313,24cyclictest0-21swapper/019:46:000
13143993119,7cyclictest31786-21cat22:51:220
13143993118,8cyclictest25035-21aten_rbpower_po19:06:110
13143993116,10cyclictest0-21swapper/019:56:060
13143993115,11cyclictest0-21swapper/022:25:570
13143993115,11cyclictest0-21swapper/022:25:570
13146993020,6cyclictest9571-21tr20:56:191
13146993020,6cyclictest822-21open_files19:26:231
13146993020,6cyclictest643-21runrttasks18:48:281
13146993019,6cyclictest26055-21diskmemload20:36:111
13146993019,6cyclictest11303-21aten_rbpower_cu19:56:091
13146993018,7cyclictest29625-21awk19:16:241
13146993018,7cyclictest29625-21awk19:16:241
13146993018,7cyclictest29337-21awk23:31:161
13146993016,8cyclictest30210-21cpu20:41:091
13146993016,8cyclictest30210-21cpu20:41:091
13146993012,12cyclictest0-21swapper/119:21:231
13146993012,12cyclictest0-21swapper/119:21:231
13143993020,6cyclictest584-21gdbus20:05:590
13143993020,6cyclictest32208-21awk19:25:530
13143993020,6cyclictest32208-21awk19:25:530
13143993020,6cyclictest24468-21aten_rbpower_po20:31:110
13143993018,7cyclictest4172-21fschecks_time19:36:150
13143993016,9cyclictest0-21swapper/019:17:240
13143993016,9cyclictest0-21swapper/019:17:240
13143993010,15cyclictest643-21runrttasks20:29:570
1314699293,21cyclictest0-21swapper/119:15:571
13146992920,5cyclictest643-21runrttasks20:28:001
13146992919,6cyclictest643-21runrttasks18:41:171
13146992918,6cyclictest6943-21vmstat19:41:311
13146992916,9cyclictest0-21swapper/120:32:151
1314399293,21cyclictest0-21swapper/020:01:160
13143992917,7cyclictest17405-21irqstats20:11:170
13146992815,9cyclictest0-21swapper/120:16:131
13146992815,8cyclictest15047-21cut20:06:111
13146992814,9cyclictest7832-21fschecks_count19:46:131
13146992811,12cyclictest0-21swapper/120:21:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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