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2026-11-10 - 22:47
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Tue Nov 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911070,4ptp4l401ktimersoftd/310:09:293
106891720,1ptp4l401ktimersoftd/312:56:053
2738099700,23cyclictest12768-21ssh13:49:422
27370996919,11cyclictest21725-21ssh15:04:450
27380996813,27cyclictest5459-21sh13:43:402
27370996615,11cyclictest31261-21ls10:39:110
106891660,2ptp4l401ktimersoftd/314:44:393
27370996519,13cyclictest26289-21awk15:09:380
27370996515,18cyclictest26422-21ssh13:31:120
2738099641,23cyclictest4460-21/usr/sbin/munin14:14:382
2738099641,23cyclictest30617-21ssh13:34:432
2738099640,33cyclictest15787-21/usr/sbin/munin14:59:342
2738099640,32cyclictest32074-21taskset10:44:162
27370996417,19cyclictest4450-21grep14:14:380
27370996416,16cyclictest14284-21diskmemload15:41:280
27388996351,5cyclictest41-21ksoftirqd/313:29:253
27370996317,11cyclictest28488-21chrt10:19:130
27370996317,11cyclictest13896-21sh13:19:260
27370996316,16cyclictest30072-21runrttasks10:29:410
27370996316,13cyclictest15795-21ssh15:32:530
27370996316,11cyclictest22717-21ssh12:54:330
27370996316,10cyclictest6230-21ssh13:44:260
27370996315,16cyclictest30081-21ssh13:02:440
106891630,9ptp4l401ktimersoftd/314:18:073
27388996250,6cyclictest41-21ksoftirqd/315:14:273
2738099620,23cyclictest30493-21ssh15:14:342
27370996217,19cyclictest6682-21ssh15:24:070
27370996217,11cyclictest22863-21ssh14:34:180
27370996216,12cyclictest5495-21ssh12:37:390
27370996216,12cyclictest22626-21ssh12:21:430
27370996216,12cyclictest16137-21swap12:14:360
27370996216,12cyclictest16137-21swap12:14:360
27370996216,12cyclictest10206-21taskset12:42:210
27370996215,12cyclictest32080-21ptp4l-jitter14:09:380
27370996215,12cyclictest14284-21diskmemload12:49:530
27370996214,12cyclictest1505-21cstates13:39:280
27370996214,11cyclictest8405-21cut13:14:150
2738099611,25cyclictest10235-21chrt12:42:242
2738099610,24cyclictest9102-21/usr/sbin/munin13:14:322
2738099610,24cyclictest25315-21/usr/sbin/munin13:29:422
27370996118,10cyclictest32704-21/usr/sbin/munin13:04:350
27370996117,18cyclictest27027-21ssh12:25:490
27370996117,11cyclictest13014-21ssh13:49:480
27370996117,10cyclictest14284-21diskmemload14:50:000
27370996116,20cyclictest602-21ssh15:17:100
27370996116,13cyclictest30608-21/usr/sbin/munin12:29:340
27370996116,12cyclictest27750-21taskset10:16:590
27370996115,11cyclictest14284-21diskmemload14:23:580
27370996113,18cyclictest0-21swapper/012:48:070
27370996113,13cyclictest1076-21ssh13:39:150
27370996112,14cyclictest15906-21irqrtprio14:59:350
2738099601,24cyclictest18214-21ssh12:17:342
2738099601,24cyclictest18214-21ssh12:17:342
27376996043,4cyclictest25-21ksoftirqd/113:34:191
27370996017,18cyclictest11519-21/usr/sbin/munin12:05:440
27370996017,12cyclictest24081-21ssh14:01:590
27370996017,12cyclictest24081-21ssh14:01:590
27370996017,11cyclictest9996-21ssh13:14:380
27370996016,10cyclictest18430-21/usr/sbin/munin15:34:390
27370996014,12cyclictest9063-21wc11:59:130
27370996013,11cyclictest11510-21ssh14:54:380
106891600,1ptp4l401ktimersoftd/313:57:093
2738099591,25cyclictest2012-21chrt14:12:532
2738099591,22cyclictest25935-21python12:24:352
2738099590,24cyclictest9326-21chrt14:53:282
27370995917,19cyclictest22495-21ssh13:27:520
27370995917,17cyclictest14284-21diskmemload14:31:420
27370995915,18cyclictest32052-21cat10:44:110
27370995914,11cyclictest16983-21irqstats13:54:340
27370995912,11cyclictest0-21swapper/011:37:100
27388995847,5cyclictest41-21ksoftirqd/312:34:253
2738099581,25cyclictest27849-21taskset10:18:192
2738099580,25cyclictest15177-21sh14:24:522
27370995816,9cyclictest14284-21diskmemload14:27:310
27370995815,10cyclictest368-21ssh14:44:270
27370995813,12cyclictest31850-21ssh14:43:190
27370995813,12cyclictest0-21swapper/014:07:530
27370995812,17cyclictest0-21swapper/012:11:090
27370995812,17cyclictest0-21swapper/012:11:090
106891580,1ptp4l401ktimersoftd/314:39:133
106891580,1ptp4l401ktimersoftd/313:23:593
2738099571,24cyclictest19357-21sh15:35:372
2738099571,24cyclictest1000-21taskset10:56:212
2738099570,25cyclictest6601-21chrt13:11:142
2738099570,24cyclictest28753-21sh15:13:112
27370995715,17cyclictest3400-21sed11:14:120
27370995714,11cyclictest0-21swapper/011:44:160
27370995713,17cyclictest8403-21sed11:54:120
27370995713,13cyclictest32663-21sed10:49:120
106891570,1ptp4l401ktimersoftd/314:31:143
2738099561,25cyclictest12510-21sh14:55:332
2738099561,24cyclictest8118-21sh13:44:482
2738099561,24cyclictest7340-21taskset11:44:142
2738099561,23cyclictest29708-21taskset10:27:502
2738099561,23cyclictest29708-21taskset10:27:502
2738099560,25cyclictest9292-21taskset12:01:162
2738099560,24cyclictest2190-21taskset13:07:052
2738099560,22cyclictest15956-21/usr/sbin/munin13:54:442
2738099560,20cyclictest47150irq/102-ens3-Tx15:41:142
27370995617,9cyclictest9336-21ssh15:25:150
27370995613,9cyclictest5824-21sed11:34:130
27370995613,12cyclictest32684-21chrt10:49:240
269502564,38sleep10-21swapper/110:09:571
2738099551,21cyclictest23915-21sh12:23:552
27370995514,15cyclictest1055-21runrttasks10:59:500
27370995513,10cyclictest0-21swapper/011:40:350
2738099541,23cyclictest32147-21sh12:31:112
2738099541,23cyclictest23896-21sh14:01:392
2738099541,23cyclictest23896-21sh14:01:392
2738099540,23cyclictest14284-21diskmemload12:55:102
2738099540,22cyclictest21316-21ssh14:32:022
27376995424,9cyclictest25-21ksoftirqd/113:19:161
27376995423,9cyclictest25-21ksoftirqd/115:19:171
27376995423,10cyclictest25-21ksoftirqd/114:04:441
27376995422,8cyclictest25-21ksoftirqd/115:39:301
27376995422,8cyclictest25-21ksoftirqd/114:29:171
27376995417,10cyclictest25-21ksoftirqd/114:34:341
27370995416,17cyclictest1055-21runrttasks12:01:300
27370995415,10cyclictest1055-21runrttasks11:05:020
27370995412,11cyclictest3871-21latency_hist11:19:120
27370995411,13cyclictest4484-21latency_hist11:24:120
27370995410,19cyclictest0-21swapper/011:29:130
185262540,5sleep118527-21fschecks_time14:29:301
2738099530,24cyclictest8716-21taskset11:56:352
27376995320,4cyclictest25-21ksoftirqd/113:39:321
2738099520,23cyclictest31047-21taskset10:36:492
27376995225,7cyclictest25-21ksoftirqd/112:59:431
27376995223,5cyclictest25-21ksoftirqd/112:54:301
27376995223,4cyclictest25-21ksoftirqd/115:09:401
27376995223,10cyclictest25-21ksoftirqd/114:44:371
27376995222,7cyclictest25-21ksoftirqd/112:39:331
27376995221,9cyclictest25-21ksoftirqd/114:14:271
27376995221,7cyclictest25-21ksoftirqd/115:24:311
27376995221,7cyclictest25-21ksoftirqd/115:19:441
27370995216,17cyclictest1055-21runrttasks10:54:420
272592524,35sleep20-21swapper/210:14:062
2715425212,11sleep09-21ksoftirqd/010:12:430
27376995122,7cyclictest25-21ksoftirqd/113:51:281
27376995122,5cyclictest25-21ksoftirqd/112:49:261
27376995122,10cyclictest25-21ksoftirqd/112:44:391
27376995121,9cyclictest25-21ksoftirqd/113:04:271
27376995121,7cyclictest25-21ksoftirqd/112:24:301
27376995121,7cyclictest25-21ksoftirqd/112:14:131
27376995121,7cyclictest25-21ksoftirqd/112:14:131
27376995120,9cyclictest25-21ksoftirqd/113:59:161
27376995119,8cyclictest25-21ksoftirqd/111:04:121
2737699504,7cyclictest25-21ksoftirqd/113:44:261
27376995024,4cyclictest25-21ksoftirqd/115:34:381
27376995021,8cyclictest25-21ksoftirqd/113:19:161
27376995021,4cyclictest25-21ksoftirqd/114:54:371
27376995021,4cyclictest25-21ksoftirqd/114:09:431
27376995020,8cyclictest25-21ksoftirqd/113:59:271
27376995020,8cyclictest25-21ksoftirqd/113:59:271
27376995020,4cyclictest25-21ksoftirqd/115:34:181
106891500,1ptp4l401ktimersoftd/312:20:263
27388994937,6cyclictest41-21ksoftirqd/314:04:273
27388994930,3cyclictest41-21ksoftirqd/311:39:123
27376994934,3cyclictest25-21ksoftirqd/114:49:291
27376994923,4cyclictest25-21ksoftirqd/114:39:441
27376994922,5cyclictest25-21ksoftirqd/112:19:261
27376994921,7cyclictest25-21ksoftirqd/114:19:271
27376994921,4cyclictest25-21ksoftirqd/113:09:341
27376994921,4cyclictest25-21ksoftirqd/112:36:071
2738099484,21cyclictest28095-21munin-node11:24:122
2737699484,10cyclictest25-21ksoftirqd/113:34:151
27376994823,7cyclictest25-21ksoftirqd/112:04:291
27376994822,4cyclictest25-21ksoftirqd/112:29:311
27376994821,7cyclictest25-21ksoftirqd/111:39:121
27376994821,4cyclictest25-21ksoftirqd/113:24:281
27376994820,9cyclictest25-21ksoftirqd/115:04:441
27376994819,4cyclictest25-21ksoftirqd/110:19:101
27370994812,11cyclictest0-21swapper/010:27:330
27370994812,11cyclictest0-21swapper/010:27:330
2738099470,20cyclictest22396-21ssh13:27:412
106891470,1ptp4l401ktimersoftd/314:02:583
106891470,1ptp4l401ktimersoftd/314:02:583
2738099461,23cyclictest302352chrt10:31:522
2738099460,24cyclictest30426-21chrt13:03:192
2738099460,24cyclictest28472sleep214:45:452
2738099460,23cyclictest32676-21chrt10:49:182
2738099460,23cyclictest15032-21runrttasks12:47:092
2738099460,23cyclictest1462-21taskset10:59:262
2737699464,8cyclictest4488-21munin-run11:24:121
27376994631,5cyclictest25-21ksoftirqd/111:44:121
27376994620,9cyclictest25-21ksoftirqd/115:04:181
27376994619,9cyclictest25-21ksoftirqd/111:59:131
106891460,1ptp4l401ktimersoftd/314:11:343
27376994518,8cyclictest25-21ksoftirqd/112:18:041
27376994518,8cyclictest25-21ksoftirqd/112:18:041
27376994518,7cyclictest25-21ksoftirqd/110:45:541
27376994517,8cyclictest25-21ksoftirqd/110:59:121
2738099440,30cyclictest5037-21chrt11:28:362
27376994433,3cyclictest25-21ksoftirqd/111:29:131
27376994416,4cyclictest25-21ksoftirqd/110:34:111
2737699440,8cyclictest25-21ksoftirqd/111:49:121
152702440,1sleep30-21swapper/312:14:263
152702440,1sleep30-21swapper/312:14:263
27388994330,10cyclictest41-21ksoftirqd/312:59:273
2738099431,26cyclictest15183-21chrt15:31:512
2738099430,26cyclictest3076-21chrt11:11:462
27388994231,6cyclictest41-21ksoftirqd/315:04:283
2738099421,30cyclictest6365-21chrt15:23:362
2738099421,25cyclictest30665-21ssh14:41:152
2738099420,25cyclictest5207-21chrt12:37:102
2737699427,3cyclictest25-21ksoftirqd/110:44:111
2737699423,4cyclictest30714-21apt-config10:34:111
106891420,1ptp4l401ktimersoftd/315:13:193
27388994129,5cyclictest41-21ksoftirqd/314:59:273
2738099411,24cyclictest14284-21diskmemload15:06:522
2737699416,7cyclictest25-21ksoftirqd/110:19:111
2737699416,3cyclictest25-21ksoftirqd/111:19:121
27376994136,3cyclictest25-21ksoftirqd/111:04:161
27376994114,10cyclictest25-21ksoftirqd/110:54:111
106891410,2ptp4l18347-21kworker/3:213:09:323
106891410,1ptp4l401ktimersoftd/313:26:193
106891410,11ptp4l401ktimersoftd/313:53:063
2738099400,26cyclictest29435-21chrt14:07:432
2738099400,24cyclictest31743-21chrt10:43:082
2738099400,24cyclictest20229-21taskset12:52:392
2738099400,23cyclictest18068-21taskset13:23:432
2737699407,3cyclictest25-21ksoftirqd/111:34:131
2738099390,23cyclictest79682chrt11:49:362
2738099390,23cyclictest26012-21taskset14:36:422
2737699393,10cyclictest25-21ksoftirqd/111:54:131
2737699392,5cyclictest25-21ksoftirqd/110:29:111
106891390,2ptp4l18347-21kworker/3:213:06:513
106891390,1ptp4l401ktimersoftd/315:21:293
106891390,1ptp4l401ktimersoftd/313:17:103
106891390,0ptp4l401ktimersoftd/314:20:483
2738099381,22cyclictest28902-21runrttasks10:20:232
106891380,1ptp4l401ktimersoftd/315:40:563
106891380,1ptp4l401ktimersoftd/314:55:173
2737699372,10cyclictest25-21ksoftirqd/110:29:111
106891370,1ptp4l401ktimersoftd/315:38:173
106891370,1ptp4l401ktimersoftd/315:30:103
106891370,1ptp4l401ktimersoftd/315:25:313
106891370,1ptp4l401ktimersoftd/314:41:273
106891370,1ptp4l401ktimersoftd/314:25:053
106891370,1ptp4l401ktimersoftd/312:50:493
106891370,1ptp4l401ktimersoftd/312:45:453
106891370,1ptp4l401ktimersoftd/312:32:493
27388993630,3cyclictest41-21ksoftirqd/311:04:123
2738099360,22cyclictest1055-21runrttasks14:20:002
27376993617,9cyclictest25-21ksoftirqd/111:14:121
106891360,1ptp4l401ktimersoftd/314:51:563
106891360,1ptp4l401ktimersoftd/313:40:083
106891360,1ptp4l401ktimersoftd/312:27:073
106891360,1ptp4l401ktimersoftd/311:09:403
106891360,0ptp4l401ktimersoftd/311:23:533
106891350,1ptp4l401ktimersoftd/313:45:313
106891350,0ptp4l401ktimersoftd/311:29:073
2738099340,31cyclictest14168-21chrt12:12:532
2738099340,31cyclictest14168-21chrt12:12:532
2737699347,3cyclictest25-21ksoftirqd/112:04:131
106891340,1ptp4l401ktimersoftd/313:34:333
27388993328,3cyclictest41-21ksoftirqd/311:34:123
27388993327,3cyclictest41-21ksoftirqd/311:19:133
27388993327,3cyclictest41-21ksoftirqd/310:34:113
27388993323,5cyclictest41-21ksoftirqd/312:09:243
27388993323,5cyclictest41-21ksoftirqd/312:09:243
106891330,2ptp4l22243-21kworker/3:210:37:383
106891330,1ptp4l401ktimersoftd/312:05:443
106891330,1ptp4l401ktimersoftd/311:48:503
27388993227,3cyclictest41-21ksoftirqd/312:04:133
27388993226,3cyclictest41-21ksoftirqd/311:09:123
2738099322,23cyclictest7191-21apt-get15:24:272
106891310,1ptp4l401ktimersoftd/312:43:133
2738099303,24cyclictest10158-21tune2fs12:04:362
27380993011,15cyclictest1055-21runrttasks11:18:512
106891300,1ptp4l401ktimersoftd/311:41:263
2738099291,25cyclictest7107-21latency_hist11:44:122
2738099291,25cyclictest6366-21latency_hist11:39:122
106891290,1ptp4l401ktimersoftd/311:57:383
27388992824,2cyclictest41-21ksoftirqd/310:49:113
27388992823,3cyclictest41-21ksoftirqd/310:19:153
27388992822,3cyclictest41-21ksoftirqd/310:44:113
27388992822,3cyclictest41-21ksoftirqd/310:24:113
27388992822,3cyclictest41-21ksoftirqd/310:24:113
2738099281,23cyclictest5699-21munin-plugin-st11:34:122
2738099280,24cyclictest2773-21wc11:09:122
27388992722,3cyclictest41-21ksoftirqd/310:54:123
27388992722,3cyclictest41-21ksoftirqd/310:19:103
27388992620,3cyclictest41-21ksoftirqd/311:54:123
27388992620,3cyclictest41-21ksoftirqd/310:59:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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