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2026-06-23 - 10:39
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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 Tue Jun 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1072521800,5sleep32345099cyclictest23:56:003
924621650,4sleep12343799cyclictest00:26:531
1068911090,3ptp4l401ktimersoftd/320:53:203
1068911090,3ptp4l401ktimersoftd/320:53:203
106891690,1ptp4l401ktimersoftd/300:01:193
230742674,10sleep00-21swapper/020:53:210
230742674,10sleep00-21swapper/020:53:210
225312654,10sleep10-21swapper/120:51:571
225312654,10sleep10-21swapper/120:51:571
277622620,2sleep30-21swapper/323:39:423
78822610,2sleep37880-21grep01:31:513
106891580,1ptp4l401ktimersoftd/322:58:483
235432560,3sleep22344299cyclictest02:21:162
235432560,3sleep22344299cyclictest02:21:162
106891560,2ptp4l9184-21kworker/3:101:52:093
106891560,1ptp4l401ktimersoftd/321:34:383
106891540,1ptp4l401ktimersoftd/323:08:053
100382510,2sleep20-21swapper/223:21:502
156072500,2sleep30-21swapper/300:32:253
106891500,1ptp4l401ktimersoftd/301:03:583
23437994939,4cyclictest25-21ksoftirqd/123:46:481
23430994941,4cyclictest9-21ksoftirqd/023:16:480
106891480,1ptp4l401ktimersoftd/323:13:063
23430994639,4cyclictest9-21ksoftirqd/023:31:450
23430994617,3cyclictest9-21ksoftirqd/021:31:550
106891460,1ptp4l401ktimersoftd/302:05:053
106891460,1ptp4l401ktimersoftd/300:24:113
106891460,1ptp4l401ktimersoftd/300:24:113
23430994538,4cyclictest9-21ksoftirqd/000:21:490
23430994538,4cyclictest9-21ksoftirqd/000:21:490
23430994437,4cyclictest9-21ksoftirqd/001:11:490
23430994437,4cyclictest9-21ksoftirqd/000:51:510
2343099434,8cyclictest121rcu_preempt01:05:000
23430994337,3cyclictest9-21ksoftirqd/023:51:500
23430994336,4cyclictest9-21ksoftirqd/000:11:460
34282420,3sleep30-21swapper/323:47:043
23430994237,3cyclictest9-21ksoftirqd/000:06:470
106891420,1ptp4l401ktimersoftd/322:13:083
106891420,0ptp4l401ktimersoftd/323:46:063
23430994135,4cyclictest9-21ksoftirqd/002:16:510
23430994135,4cyclictest9-21ksoftirqd/002:16:510
23430994134,4cyclictest9-21ksoftirqd/023:21:470
2343099395,31cyclictest9-21ksoftirqd/002:06:570
23430993933,3cyclictest9-21ksoftirqd/021:56:460
23430993911,4cyclictest9-21ksoftirqd/023:06:350
106891390,1ptp4l401ktimersoftd/300:16:373
106891390,1ptp4l401ktimersoftd/300:16:253
23430993832,4cyclictest9-21ksoftirqd/001:06:500
106891380,1ptp4l401ktimersoftd/323:31:223
106891380,1ptp4l401ktimersoftd/302:19:403
106891380,1ptp4l401ktimersoftd/302:19:403
106891380,1ptp4l401ktimersoftd/301:37:403
106891380,1ptp4l401ktimersoftd/300:40:233
106891380,1ptp4l401ktimersoftd/300:28:143
106891380,0ptp4l401ktimersoftd/323:04:103
23430993732,3cyclictest9-21ksoftirqd/022:56:390
23430993730,4cyclictest9431-21sh22:41:340
106891370,1ptp4l401ktimersoftd/323:32:333
106891370,1ptp4l401ktimersoftd/323:23:533
106891370,1ptp4l401ktimersoftd/323:18:503
106891370,1ptp4l401ktimersoftd/301:50:383
106891370,1ptp4l401ktimersoftd/301:27:123
106891370,1ptp4l401ktimersoftd/301:22:353
106891370,1ptp4l401ktimersoftd/301:14:463
106891370,1ptp4l401ktimersoftd/301:07:563
106891370,1ptp4l401ktimersoftd/300:08:203
106891370,0ptp4l401ktimersoftd/302:22:353
106891370,0ptp4l401ktimersoftd/302:08:593
2343099369,4cyclictest9-21ksoftirqd/001:54:420
2343099360,3cyclictest121rcu_preempt01:41:510
106891360,1ptp4l401ktimersoftd/321:17:023
106891360,1ptp4l401ktimersoftd/302:00:113
106891360,1ptp4l401ktimersoftd/301:42:403
106891360,1ptp4l401ktimersoftd/300:57:413
106891360,1ptp4l401ktimersoftd/300:47:323
106891360,0ptp4l401ktimersoftd/300:42:493
23437993524,4cyclictest25-21ksoftirqd/102:11:511
23437993524,4cyclictest25-21ksoftirqd/102:11:511
23437993510,4cyclictest25-21ksoftirqd/101:41:511
23430993530,3cyclictest9-21ksoftirqd/022:51:390
23430993529,3cyclictest9-21ksoftirqd/023:06:470
23430993521,3cyclictest9-21ksoftirqd/023:37:030
230712359,14sleep2646-21in:imuxsock20:53:192
230712359,14sleep2646-21in:imuxsock20:53:192
106891350,1ptp4l401ktimersoftd/301:19:563
59922340,4sleep1241ktimersoftd/100:56:521
23430993429,3cyclictest9-21ksoftirqd/000:01:370
23430993428,3cyclictest9-21ksoftirqd/001:26:390
23430993423,3cyclictest9-21ksoftirqd/000:47:080
106891340,1ptp4l401ktimersoftd/321:01:503
106891340,0ptp4l401ktimersoftd/300:55:333
23450993324,5cyclictest41-21ksoftirqd/322:06:453
23442993327,3cyclictest5202-21fschecks_count23:16:502
23430993328,3cyclictest9-21ksoftirqd/000:16:530
23430993327,3cyclictest9-21ksoftirqd/022:51:350
23430993327,3cyclictest9-21ksoftirqd/022:46:340
23430993327,3cyclictest9-21ksoftirqd/022:46:340
23430993327,3cyclictest9-21ksoftirqd/000:41:500
23430993313,7cyclictest9-21ksoftirqd/001:37:030
106891330,1ptp4l401ktimersoftd/300:04:503
23450993226,3cyclictest41-21ksoftirqd/322:56:353
2343799326,4cyclictest25-21ksoftirqd/122:01:501
23437993226,4cyclictest25-21ksoftirqd/123:56:361
23437993226,3cyclictest25-21ksoftirqd/123:06:351
23430993228,3cyclictest9-21ksoftirqd/021:26:320
23430993227,3cyclictest9-21ksoftirqd/023:26:470
23430993227,3cyclictest9-21ksoftirqd/002:01:390
23430993227,3cyclictest4439-1kworker/u9:223:56:480
23430993220,9cyclictest9-21ksoftirqd/022:32:030
106891320,1ptp4l401ktimersoftd/322:38:573
106891320,1ptp4l401ktimersoftd/322:26:293
244822310,2sleep00-21swapper/001:47:340
23450993126,3cyclictest41-21ksoftirqd/321:46:333
23430993126,3cyclictest9-21ksoftirqd/022:16:490
23430993126,3cyclictest9-21ksoftirqd/002:16:390
23430993126,3cyclictest9-21ksoftirqd/002:16:390
23430993126,3cyclictest9-21ksoftirqd/000:57:000
23430993125,3cyclictest9-21ksoftirqd/002:01:570
23430993125,3cyclictest9-21ksoftirqd/000:31:360
23430993119,9cyclictest9-21ksoftirqd/023:11:470
2343099310,3cyclictest121rcu_preempt22:01:500
106891310,1ptp4l401ktimersoftd/322:27:543
106891310,1ptp4l401ktimersoftd/321:07:023
106891310,0ptp4l401ktimersoftd/322:00:423
23442993023,4cyclictest33-21ksoftirqd/221:41:452
23437993025,3cyclictest25-21ksoftirqd/123:31:511
23437993025,3cyclictest25-21ksoftirqd/123:16:351
23437993025,3cyclictest25-21ksoftirqd/101:31:391
23437993025,3cyclictest25-21ksoftirqd/101:21:391
23437993024,3cyclictest25-21ksoftirqd/100:06:361
23430993025,3cyclictest9-21ksoftirqd/023:42:040
23430993025,3cyclictest9-21ksoftirqd/022:26:490
23430993025,3cyclictest9-21ksoftirqd/000:36:520
23430993025,3cyclictest9-21ksoftirqd/000:31:540
23430993024,3cyclictest9-21ksoftirqd/022:16:340
23430993024,3cyclictest9-21ksoftirqd/021:51:340
23430993024,3cyclictest9-21ksoftirqd/020:56:480
23430993024,3cyclictest9-21ksoftirqd/002:26:400
23430993022,4cyclictest9-21ksoftirqd/022:21:450
106891300,0ptp4l401ktimersoftd/321:25:063
23450992923,3cyclictest41-21ksoftirqd/322:41:483
23450992923,3cyclictest41-21ksoftirqd/322:41:483
23437992924,3cyclictest25-21ksoftirqd/123:46:361
23437992924,3cyclictest25-21ksoftirqd/121:31:331
23437992924,3cyclictest25-21ksoftirqd/121:21:321
23437992924,3cyclictest25-21ksoftirqd/100:56:371
23437992923,3cyclictest25-21ksoftirqd/123:31:351
23437992923,3cyclictest25-21ksoftirqd/123:06:531
23437992923,3cyclictest25-21ksoftirqd/121:06:321
23437992923,3cyclictest25-21ksoftirqd/100:06:491
2343099295,4cyclictest9-21ksoftirqd/021:11:460
23430992924,3cyclictest9-21ksoftirqd/001:17:060
23430992923,4cyclictest9-21ksoftirqd/023:49:490
23430992912,5cyclictest9-21ksoftirqd/021:41:490
23437992823,3cyclictest25-21ksoftirqd/121:31:511
23437992823,3cyclictest25-21ksoftirqd/121:16:321
23437992823,3cyclictest25-21ksoftirqd/121:01:321
23437992823,3cyclictest25-21ksoftirqd/101:01:421
23437992823,3cyclictest25-21ksoftirqd/100:16:361
23437992822,4cyclictest25-21ksoftirqd/123:01:351
23437992822,3cyclictest25-21ksoftirqd/122:56:351
23437992822,3cyclictest25-21ksoftirqd/122:41:481
23437992822,3cyclictest25-21ksoftirqd/122:41:481
23437992822,3cyclictest25-21ksoftirqd/102:21:401
23437992822,3cyclictest25-21ksoftirqd/102:21:401
23437992822,3cyclictest25-21ksoftirqd/100:51:371
23437992822,3cyclictest25-21ksoftirqd/100:41:531
23430992823,3cyclictest9-21ksoftirqd/021:41:330
23430992823,3cyclictest9-21ksoftirqd/021:01:330
23430992822,3cyclictest9-21ksoftirqd/021:52:020
23430992822,3cyclictest9-21ksoftirqd/021:06:540
23430992822,3cyclictest9-21ksoftirqd/001:31:530
106891280,0ptp4l401ktimersoftd/322:47:083
106891280,0ptp4l401ktimersoftd/321:37:323
23450992722,3cyclictest41-21ksoftirqd/321:16:323
23442992721,3cyclictest33-21ksoftirqd/202:14:262
23442992721,3cyclictest33-21ksoftirqd/202:14:262
23442992721,3cyclictest33-21ksoftirqd/201:07:432
23442992721,3cyclictest33-21ksoftirqd/200:30:112
23442992720,4cyclictest33-21ksoftirqd/222:34:452
23442992720,4cyclictest33-21ksoftirqd/220:59:502
23437992722,3cyclictest25-21ksoftirqd/123:57:001
23437992722,3cyclictest25-21ksoftirqd/121:41:511
23437992722,3cyclictest25-21ksoftirqd/100:36:371
23437992721,4cyclictest25-21ksoftirqd/123:36:551
23437992721,3cyclictest25-21ksoftirqd/123:22:051
23437992721,3cyclictest25-21ksoftirqd/101:36:571
23437992717,6cyclictest25-21ksoftirqd/100:16:491
23430992722,3cyclictest9-21ksoftirqd/001:26:520
23430992721,3cyclictest9-21ksoftirqd/021:17:010
23442992620,3cyclictest33-21ksoftirqd/223:31:132
23437992621,3cyclictest25-21ksoftirqd/122:36:521
23437992621,3cyclictest25-21ksoftirqd/122:11:571
23437992621,3cyclictest25-21ksoftirqd/102:01:531
23437992621,3cyclictest25-21ksoftirqd/101:56:571
23437992621,3cyclictest25-21ksoftirqd/101:47:081
23437992621,3cyclictest25-21ksoftirqd/100:37:051
23437992620,3cyclictest25-21ksoftirqd/100:26:371
23437992620,3cyclictest25-21ksoftirqd/100:26:371
23437992619,4cyclictest29580-21head21:06:471
23430992621,3cyclictest9-21ksoftirqd/021:26:470
23430992620,3cyclictest9-21ksoftirqd/022:06:490
106891260,1ptp4l401ktimersoftd/320:56:433
23450992520,3cyclictest41-21ksoftirqd/322:21:333
23450992519,3cyclictest41-21ksoftirqd/302:11:583
23450992519,3cyclictest41-21ksoftirqd/302:11:583
23450992518,4cyclictest41-21ksoftirqd/321:49:053
23442992519,3cyclictest33-21ksoftirqd/222:39:072
23442992519,3cyclictest33-21ksoftirqd/221:26:322
23442992519,3cyclictest33-21ksoftirqd/201:21:132
23442992518,4cyclictest33-21ksoftirqd/222:43:562
23442992518,4cyclictest33-21ksoftirqd/222:43:562
23442992518,4cyclictest33-21ksoftirqd/222:00:562
23442992518,4cyclictest33-21ksoftirqd/221:33:222
23437992520,3cyclictest25-21ksoftirqd/121:57:031
23437992520,3cyclictest25-21ksoftirqd/121:51:331
23437992520,3cyclictest25-21ksoftirqd/102:22:091
23437992520,3cyclictest25-21ksoftirqd/101:51:521
23437992519,4cyclictest25-21ksoftirqd/101:21:391
23437992519,3cyclictest25-21ksoftirqd/122:46:551
23437992519,3cyclictest25-21ksoftirqd/122:21:531
23437992519,3cyclictest25-21ksoftirqd/121:21:511
23437992519,3cyclictest25-21ksoftirqd/101:16:381
106891250,1ptp4l401ktimersoftd/322:01:563
23442992419,3cyclictest33-21ksoftirqd/223:46:542
23442992418,3cyclictest33-21ksoftirqd/223:42:302
23442992418,3cyclictest33-21ksoftirqd/222:30:492
23442992418,3cyclictest33-21ksoftirqd/202:07:142
23442992417,4cyclictest33-21ksoftirqd/222:50:102
23442992417,4cyclictest33-21ksoftirqd/222:20:562
23442992417,4cyclictest33-21ksoftirqd/222:06:182
23442992417,4cyclictest33-21ksoftirqd/221:55:342
23437992419,3cyclictest25-21ksoftirqd/123:16:361
23437992419,3cyclictest25-21ksoftirqd/122:06:461
23437992419,3cyclictest25-21ksoftirqd/121:36:511
23437992418,4cyclictest25-21ksoftirqd/122:29:411
23437992418,4cyclictest25-21ksoftirqd/101:32:011
23437992418,3cyclictest25-21ksoftirqd/121:51:471
23437992417,5cyclictest25-21ksoftirqd/122:35:191
106891240,1ptp4l401ktimersoftd/321:51:573
106891240,1ptp4l401ktimersoftd/321:26:443
106891240,0ptp4l401ktimersoftd/322:31:423
23442992318,3cyclictest33-21ksoftirqd/200:19:392
23442992317,3cyclictest33-21ksoftirqd/221:27:302
23442992316,4cyclictest33-21ksoftirqd/222:12:412
23442992316,4cyclictest33-21ksoftirqd/221:38:522
23437992317,4cyclictest25-21ksoftirqd/101:06:511
23437992317,3cyclictest25-21ksoftirqd/122:16:501
2344299223,5cyclictest1055-21runrttasks23:01:082
23442992217,3cyclictest33-21ksoftirqd/201:37:002
23442992216,3cyclictest33-21ksoftirqd/222:08:222
23442992216,3cyclictest33-21ksoftirqd/201:23:312
23442992215,4cyclictest33-21ksoftirqd/221:04:482
23442992215,4cyclictest33-21ksoftirqd/200:36:122
23437992217,3cyclictest25-21ksoftirqd/102:11:391
23442992116,3cyclictest33-21ksoftirqd/223:31:462
23442992116,3cyclictest33-21ksoftirqd/222:25:312
23442992115,3cyclictest33-21ksoftirqd/221:18:322
23442992115,3cyclictest33-21ksoftirqd/221:14:182
23442992114,4cyclictest6801-21sh00:24:032
23442992114,4cyclictest6801-21sh00:24:032
23442992114,4cyclictest33-21ksoftirqd/223:39:322
23442992114,4cyclictest33-21ksoftirqd/200:38:142
2344299202,12cyclictest3491-21kworker/u8:002:01:512
23442992015,3cyclictest33-21ksoftirqd/223:59:582
23442992015,3cyclictest33-21ksoftirqd/222:56:292
23442992015,3cyclictest33-21ksoftirqd/201:56:502
23442992014,4cyclictest30024-21mandb01:53:322
23442992014,3cyclictest32139-21apt23:11:452
23442992014,3cyclictest2850-21/usr/sbin/munin01:27:002
23442992013,5cyclictest33-21ksoftirqd/201:03:072
23442992013,4cyclictest8356-21sh00:58:312
23442992013,4cyclictest47150irq/102-ens3-Tx00:51:422
23442992013,4cyclictest26423-21/usr/sbin/munin00:11:562
23442992013,4cyclictest23885-21sh01:14:432
23442991914,3cyclictest33-21ksoftirqd/201:31:502
23442991913,3cyclictest7285-21if_err_enp1s0.123:51:552
23442991913,3cyclictest33-21ksoftirqd/200:02:372
23442991913,3cyclictest31427-21sh00:49:262
23442991913,3cyclictest31258-21cut21:11:322
23442991913,3cyclictest30554-21sh23:09:342
23442991913,3cyclictest26791-21sh00:44:522
23442991913,3cyclictest24126-21seq00:08:092
23442991913,3cyclictest17415-21/usr/sbin/munin01:41:522
23442991913,3cyclictest16156-21cut21:46:492
23442991912,4cyclictest26939-21sh02:23:442
23442991912,4cyclictest23129-21ssh01:46:582
23442991912,4cyclictest22477-21cstates23:01:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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