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2025-07-19 - 22:35
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Sat Jul 19, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2589222980,4sleep30-21swapper/310:04:393
2631121490,2sleep30-21swapper/313:28:563
267882920,3sleep20-21swapper/210:04:502
105632770,1sleep00-21swapper/014:20:320
151891740,1ptp4l401ktimersoftd/312:16:373
151891740,1ptp4l401ktimersoftd/312:16:373
27385996854,6cyclictest33-21ksoftirqd/214:59:402
151891670,1ptp4l401ktimersoftd/312:44:513
27385996352,5cyclictest33-21ksoftirqd/212:39:362
27385996351,5cyclictest33-21ksoftirqd/211:09:322
27385996049,5cyclictest33-21ksoftirqd/213:29:362
27385996045,6cyclictest33-21ksoftirqd/210:09:302
27385995947,6cyclictest33-21ksoftirqd/214:34:402
27385995946,5cyclictest33-21ksoftirqd/210:14:322
27385995946,4cyclictest33-21ksoftirqd/211:44:332
151891590,1ptp4l401ktimersoftd/313:34:453
32192580,4sleep02737299cyclictest10:24:330
243682580,2sleep0101ktimersoftd/015:10:590
151891580,1ptp4l401ktimersoftd/315:27:573
27385995745,5cyclictest33-21ksoftirqd/214:44:392
151891570,1ptp4l401ktimersoftd/313:54:553
151891570,1ptp4l401ktimersoftd/313:54:553
151891560,1ptp4l401ktimersoftd/313:59:283
27385995541,7cyclictest33-21ksoftirqd/212:34:352
271802554,39sleep00-21swapper/010:08:120
238142550,2sleep10-21swapper/112:12:461
27385995443,4cyclictest33-21ksoftirqd/214:19:402
27385995440,6cyclictest33-21ksoftirqd/210:54:312
27385995343,4cyclictest33-21ksoftirqd/211:29:342
27385995340,7cyclictest33-21ksoftirqd/214:54:392
27385995141,4cyclictest33-21ksoftirqd/212:24:362
27385995139,5cyclictest33-21ksoftirqd/211:49:342
27385995040,4cyclictest33-21ksoftirqd/215:04:382
239502500,2sleep20-21swapper/212:13:032
151891500,1ptp4l401ktimersoftd/312:59:573
27385994940,4cyclictest33-21ksoftirqd/214:09:372
27385994639,3cyclictest33-21ksoftirqd/214:29:372
27385994634,6cyclictest33-21ksoftirqd/213:04:362
27385994539,4cyclictest33-21ksoftirqd/213:24:272
151891430,1ptp4l401ktimersoftd/315:16:373
27385994230,6cyclictest33-21ksoftirqd/215:34:392
151891410,1ptp4l401ktimersoftd/310:34:423
27385994016,6cyclictest33-21ksoftirqd/213:59:422
151891400,1ptp4l401ktimersoftd/315:04:503
151891400,1ptp4l401ktimersoftd/312:19:363
27385993927,6cyclictest33-21ksoftirqd/211:34:322
27385993926,10cyclictest33-21ksoftirqd/214:14:552
151891390,1ptp4l401ktimersoftd/314:53:153
151891390,1ptp4l401ktimersoftd/314:30:353
151891390,1ptp4l401ktimersoftd/312:54:273
151891390,0ptp4l401ktimersoftd/315:02:123
27385993832,3cyclictest33-21ksoftirqd/212:44:262
27385993826,3cyclictest33-21ksoftirqd/212:04:522
151891380,1ptp4l401ktimersoftd/313:48:043
151891380,1ptp4l401ktimersoftd/311:17:353
151891380,1ptp4l401ktimersoftd/310:19:193
151891380,15ptp4l401ktimersoftd/311:41:423
27385993731,3cyclictest33-21ksoftirqd/210:39:182
27385993730,3cyclictest33-21ksoftirqd/213:54:222
27385993730,3cyclictest33-21ksoftirqd/213:54:222
27385993726,4cyclictest33-21ksoftirqd/213:14:342
27385993726,3cyclictest33-21ksoftirqd/215:29:452
27385993725,9cyclictest33-21ksoftirqd/212:54:522
27385993712,3cyclictest33-21ksoftirqd/214:39:472
151891370,1ptp4l401ktimersoftd/314:57:333
151891370,1ptp4l401ktimersoftd/314:45:143
151891370,1ptp4l401ktimersoftd/311:57:083
151891370,1ptp4l401ktimersoftd/311:03:523
151891370,0ptp4l401ktimersoftd/310:30:083
151891370,0ptp4l401ktimersoftd/310:30:083
27385993631,3cyclictest33-21ksoftirqd/215:24:392
27385993629,3cyclictest33-21ksoftirqd/213:39:222
151891360,1ptp4l401ktimersoftd/312:09:503
262502353,19sleep126326-21phc2sys10:04:421
151891350,1ptp4l401ktimersoftd/315:30:553
151891350,1ptp4l401ktimersoftd/312:25:003
151891350,1ptp4l401ktimersoftd/311:06:563
27385993429,3cyclictest33-21ksoftirqd/212:49:532
27385993428,3cyclictest33-21ksoftirqd/210:49:192
151891340,2ptp4l5842-21kworker/3:013:40:523
151891340,1ptp4l401ktimersoftd/315:14:073
151891340,1ptp4l401ktimersoftd/313:51:183
151891340,1ptp4l401ktimersoftd/313:51:183
151891340,1ptp4l401ktimersoftd/313:20:523
151891340,1ptp4l401ktimersoftd/313:04:373
151891340,12ptp4l401ktimersoftd/314:12:103
2738599332,8cyclictest121rcu_preempt11:59:512
27385993328,3cyclictest33-21ksoftirqd/210:19:392
27385993327,3cyclictest33-21ksoftirqd/215:19:242
27385993322,9cyclictest33-21ksoftirqd/210:49:482
2737699335,3cyclictest121rcu_preempt10:49:451
27376993328,3cyclictest25-21ksoftirqd/115:39:251
151891330,1ptp4l401ktimersoftd/315:38:033
151891330,1ptp4l401ktimersoftd/315:20:183
151891330,1ptp4l401ktimersoftd/314:42:533
151891330,1ptp4l401ktimersoftd/314:38:083
151891330,1ptp4l401ktimersoftd/314:25:273
151891330,1ptp4l401ktimersoftd/314:21:283
151891330,1ptp4l401ktimersoftd/311:29:383
151891330,1ptp4l18265-21kworker/3:110:45:593
151891330,0ptp4l401ktimersoftd/313:17:503
27385993227,3cyclictest33-21ksoftirqd/214:04:392
27385993227,3cyclictest33-21ksoftirqd/213:39:392
27385993227,3cyclictest33-21ksoftirqd/212:59:362
27385993226,4cyclictest33-21ksoftirqd/212:19:522
151891320,1ptp4l401ktimersoftd/314:19:013
151891320,1ptp4l401ktimersoftd/314:08:553
151891320,1ptp4l401ktimersoftd/312:53:523
151891320,1ptp4l401ktimersoftd/312:42:403
151891320,1ptp4l401ktimersoftd/312:07:133
27385993127,2cyclictest33-21ksoftirqd/210:44:182
27385993126,3cyclictest33-21ksoftirqd/215:09:472
27385993126,3cyclictest33-21ksoftirqd/214:49:502
27385993126,3cyclictest33-21ksoftirqd/212:29:392
27385993126,3cyclictest33-21ksoftirqd/211:54:392
27385993125,3cyclictest33-21ksoftirqd/215:19:442
27385993125,3cyclictest33-21ksoftirqd/212:19:202
27385993125,3cyclictest33-21ksoftirqd/212:19:202
27385993125,3cyclictest33-21ksoftirqd/211:24:202
27385993120,9cyclictest33-21ksoftirqd/214:24:422
151891310,1ptp4l401ktimersoftd/313:32:343
151891310,1ptp4l401ktimersoftd/313:12:233
151891310,1ptp4l401ktimersoftd/312:39:173
151891310,1ptp4l401ktimersoftd/312:33:443
151891310,1ptp4l401ktimersoftd/312:00:443
151891310,1ptp4l401ktimersoftd/311:25:233
151891310,0ptp4l401ktimersoftd/310:27:573
27385993025,3cyclictest33-21ksoftirqd/213:54:572
27385993025,3cyclictest33-21ksoftirqd/213:54:572
27385993025,3cyclictest33-21ksoftirqd/213:44:462
27385993025,3cyclictest33-21ksoftirqd/211:09:192
27385993011,17cyclictest33-21ksoftirqd/213:20:412
247132300,2sleep00-21swapper/014:00:450
169282300,5sleep12737699cyclictest12:42:371
151891300,1ptp4l401ktimersoftd/310:18:373
43982290,5sleep14399-21if_ens314:14:431
27385992924,3cyclictest33-21ksoftirqd/213:09:372
27385992924,3cyclictest33-21ksoftirqd/211:39:442
27385992924,3cyclictest33-21ksoftirqd/211:29:202
27385992923,3cyclictest33-21ksoftirqd/210:24:352
2738599291,4cyclictest33-21ksoftirqd/210:29:352
2738599291,4cyclictest33-21ksoftirqd/210:29:352
151891290,1ptp4l401ktimersoftd/310:41:263
104232290,1sleep00-21swapper/013:10:140
27393992823,3cyclictest41-21ksoftirqd/311:49:193
27385992822,3cyclictest33-21ksoftirqd/211:14:342
27372992821,4cyclictest9-21ksoftirqd/011:32:300
27372992821,4cyclictest9-21ksoftirqd/010:56:370
151891280,0ptp4l401ktimersoftd/310:51:463
27393992720,4cyclictest41-21ksoftirqd/311:50:163
27385992723,2cyclictest33-21ksoftirqd/210:59:312
27376992721,3cyclictest25-21ksoftirqd/113:34:361
27376992721,3cyclictest25-21ksoftirqd/110:44:341
27376992720,4cyclictest25-21ksoftirqd/113:03:571
2737699271,2cyclictest121rcu_preempt14:19:441
27372992721,3cyclictest9-21ksoftirqd/011:02:260
27372992720,4cyclictest9-21ksoftirqd/011:44:220
151891270,1ptp4l401ktimersoftd/311:35:123
151891270,10ptp4l401ktimersoftd/311:20:163
27376992621,3cyclictest25-21ksoftirqd/115:09:251
27376992621,3cyclictest25-21ksoftirqd/113:17:011
27376992620,3cyclictest25-21ksoftirqd/113:54:401
27376992620,3cyclictest25-21ksoftirqd/113:54:401
27376992620,3cyclictest25-21ksoftirqd/111:57:561
27376992620,3cyclictest25-21ksoftirqd/110:32:321
27376992620,3cyclictest25-21ksoftirqd/110:32:321
27376992619,4cyclictest25-21ksoftirqd/113:05:211
27376992619,4cyclictest25-21ksoftirqd/111:20:391
27372992619,4cyclictest9-21ksoftirqd/011:56:390
27372992619,4cyclictest9-21ksoftirqd/010:50:510
151891260,1ptp4l401ktimersoftd/311:13:043
27393992518,4cyclictest41-21ksoftirqd/310:12:043
27376992519,3cyclictest25-21ksoftirqd/115:24:011
27376992519,3cyclictest25-21ksoftirqd/112:07:231
27376992519,3cyclictest25-21ksoftirqd/111:05:041
27376992518,4cyclictest25-21ksoftirqd/112:55:221
27376992518,4cyclictest25-21ksoftirqd/111:11:071
27372992518,4cyclictest9-21ksoftirqd/011:04:520
27372992518,4cyclictest9-21ksoftirqd/010:42:240
27372992514,8cyclictest6861-21sh13:41:560
51802240,2sleep020283-21diskmemload15:25:010
309082241,3sleep030921-21diskstats10:14:350
27376992419,3cyclictest25-21ksoftirqd/111:24:381
27376992418,3cyclictest25-21ksoftirqd/112:23:371
27376992418,3cyclictest25-21ksoftirqd/110:57:491
27376992417,4cyclictest25-21ksoftirqd/111:31:591
2737699241,4cyclictest3257-21diskstats10:24:351
27372992418,4cyclictest9-21ksoftirqd/010:20:080
27372992418,3cyclictest9-21ksoftirqd/013:49:490
27372992418,3cyclictest9-21ksoftirqd/013:49:490
27376992318,3cyclictest25-21ksoftirqd/115:14:581
27376992317,3cyclictest25-21ksoftirqd/114:04:511
27376992317,3cyclictest25-21ksoftirqd/114:01:101
27376992316,4cyclictest25-21ksoftirqd/110:38:391
27372992317,3cyclictest9-21ksoftirqd/011:34:230
27372992317,3cyclictest9-21ksoftirqd/011:17:120
27372992317,3cyclictest9-21ksoftirqd/010:47:050
27372992316,4cyclictest9-21ksoftirqd/012:35:410
27372992316,4cyclictest9-21ksoftirqd/012:26:340
27372992316,4cyclictest9-21ksoftirqd/010:33:040
27372992316,4cyclictest9-21ksoftirqd/010:33:040
2737299231,4cyclictest4961-21snmp_o5powerctl14:49:570
2737299231,3cyclictest9371-21irqrtprio13:44:450
2737299231,3cyclictest23843-21snmp_o5powerctl13:24:530
2737299231,3cyclictest16548-21ssh15:03:550
2737299231,3cyclictest1146-21ssh15:21:010
2737299231,19cyclictest22097-21snmp_o5powerctl12:09:470
2737299231,19cyclictest19571-21snmp_o5powerctl12:04:490
2737299231,19cyclictest14272-21ptp4l13:14:450
2737299231,19cyclictest0-21swapper/014:04:380
2737299230,5cyclictest27342-21ssh12:16:130
2737299230,5cyclictest27342-21ssh12:16:130
151891230,1ptp4l401ktimersoftd/310:54:303
2737699223,16cyclictest6685-21grep11:39:431
27376992217,3cyclictest25-21ksoftirqd/112:54:211
27376992216,3cyclictest25-21ksoftirqd/115:33:121
27376992216,3cyclictest25-21ksoftirqd/113:50:051
27376992216,3cyclictest25-21ksoftirqd/113:50:051
27376992216,3cyclictest25-21ksoftirqd/113:23:401
27376992216,3cyclictest25-21ksoftirqd/110:40:401
27376992215,4cyclictest32096-21gltestperf14:09:411
27376992215,4cyclictest25-21ksoftirqd/114:32:021
27376992215,4cyclictest20229-21tail10:59:361
27376992213,4cyclictest20283-21diskmemload14:39:551
27372992217,3cyclictest9-21ksoftirqd/014:54:450
27372992217,3cyclictest9-21ksoftirqd/013:29:440
27372992217,3cyclictest9-21ksoftirqd/011:19:550
27372992216,3cyclictest9-21ksoftirqd/012:59:300
27372992216,3cyclictest9-21ksoftirqd/011:42:370
27372992216,3cyclictest9-21ksoftirqd/011:25:520
27372992215,4cyclictest19031-21head13:54:480
27372992215,4cyclictest19031-21head13:54:480
27372992215,4cyclictest18046-21sed13:19:400
27372992215,4cyclictest17983-21grep14:29:400
2737299221,2cyclictest0-21swapper/015:34:440
2737299221,19cyclictest0-21swapper/015:15:030
2737299221,18cyclictest11983-21irqstats11:49:410
43002210,2sleep10-21swapper/112:27:591
27376992115,3cyclictest25-21ksoftirqd/115:11:081
27376992115,3cyclictest25-21ksoftirqd/112:00:511
27376992115,3cyclictest25-21ksoftirqd/111:17:041
27376992115,3cyclictest22317-21/usr/sbin/munin13:24:551
27376992114,4cyclictest8882-21grep13:09:391
27376992114,4cyclictest5319-21uptime14:49:591
27376992114,4cyclictest25-21ksoftirqd/111:48:491
27376992114,4cyclictest25-21ksoftirqd/110:14:121
27372992116,3cyclictest9-21ksoftirqd/012:03:370
27372992115,3cyclictest9-21ksoftirqd/014:28:530
2737299211,4cyclictest18626-21snmp_o5powerctl15:04:490
27372992114,4cyclictest3971-21expr14:14:390
27372992114,4cyclictest317-21sh12:23:480
27372992114,4cyclictest26115-21grep11:09:490
27372992114,4cyclictest1869-21sh13:36:130
27372992114,4cyclictest1736-21sh14:11:160
2737299211,2cyclictest0-21swapper/014:35:020
2737299211,18cyclictest0-21swapper/012:43:240
2737299211,17cyclictest7728-21apt-get10:34:310
2737299211,17cyclictest6436-21sed12:29:440
2737299211,17cyclictest32740-21snmp_o5powerctl14:44:530
2737299211,17cyclictest26449-21apt-get12:54:240
2737299210,2cyclictest20283-21diskmemload12:52:080
2737699206,7cyclictest8563-21ssh13:44:381
2737699203,10cyclictest12979-21apt-get14:24:381
27376992014,3cyclictest519-21/usr/sbin/munin10:19:371
27376992014,3cyclictest27179-21cpu13:29:361
27376992014,3cyclictest25-21ksoftirqd/113:42:471
27376992014,3cyclictest25-21ksoftirqd/112:29:331
27376992014,3cyclictest24108-21sh14:35:111
27376992014,3cyclictest20203-21sh12:45:061
27376992014,3cyclictest13598-21sh14:59:471
27376992014,3cyclictest13400-21sh12:39:121
27376992013,4cyclictest4502-21if_enp1s011:34:381
27376992013,4cyclictest2706-21sh14:48:451
27376992013,4cyclictest25013-21cpuspeed_turbos12:14:351
27376992013,4cyclictest25013-21cpuspeed_turbos12:14:351
27376992013,4cyclictest1505-21runrttasks10:14:191
27376992011,4cyclictest7987-21acpi14:54:381
2737299201,4cyclictest18834-21hddtemp_smartct12:44:400
27372992014,3cyclictest10440-21sh15:31:220
27372992013,4cyclictest29734-21sed10:14:170
27372992013,4cyclictest27077-21cut14:39:430
2737299201,17cyclictest0-21swapper/013:05:520
27376991913,4cyclictest11070-21bc11:49:331
27376991913,3cyclictest5642-21sh15:25:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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