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2026-05-23 - 14:03
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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 Sat May 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1935421820,4sleep32093599cyclictest01:59:493
1276321590,4sleep02091899cyclictest01:53:230
1068911160,9ptp4l19157-21kworker/3:020:34:483
276472800,2sleep00-21swapper/001:34:520
106891710,1ptp4l401ktimersoftd/323:07:213
106891700,1ptp4l401ktimersoftd/300:42:513
15882670,4sleep02091899cyclictest01:09:310
20930996650,7cyclictest33-21ksoftirqd/200:54:402
164592660,4sleep02091899cyclictest00:50:000
310952610,1sleep20-21swapper/220:59:252
22412610,3sleep233-21ksoftirqd/200:04:292
175902600,3sleep017592-21latency_hist23:14:280
57332580,5sleep02091899cyclictest23:01:150
20930995845,6cyclictest33-21ksoftirqd/223:49:412
106891580,1ptp4l401ktimersoftd/323:43:363
106891570,1ptp4l401ktimersoftd/323:10:033
206362564,41sleep00-21swapper/020:37:020
20930995443,5cyclictest33-21ksoftirqd/222:49:402
20930995429,18cyclictest33-21ksoftirqd/223:44:412
204912544,37sleep20-21swapper/220:35:112
127872540,4sleep32093599cyclictest00:47:063
126132540,1sleep10-21swapper/101:53:081
20930995338,6cyclictest33-21ksoftirqd/220:49:372
106891520,1ptp4l29214-21kworker/3:101:41:493
192602500,2sleep219258-21sh01:59:482
307482460,1sleep230745-21sh01:04:512
106891450,1ptp4l401ktimersoftd/300:02:263
106891440,1ptp4l401ktimersoftd/301:06:383
106891400,0ptp4l401ktimersoftd/301:39:273
106891400,0ptp4l401ktimersoftd/300:12:423
106891400,0ptp4l401ktimersoftd/300:12:423
20930993933,3cyclictest33-21ksoftirqd/222:04:252
20923993919,17cyclictest25-21ksoftirqd/122:15:191
106891390,1ptp4l401ktimersoftd/300:34:053
20923993813,3cyclictest22377-21latency_hist23:19:281
106891380,1ptp4l401ktimersoftd/323:59:183
106891380,1ptp4l401ktimersoftd/323:20:013
106891380,1ptp4l401ktimersoftd/322:49:493
106891380,1ptp4l401ktimersoftd/322:41:143
106891380,1ptp4l401ktimersoftd/302:07:323
106891380,1ptp4l401ktimersoftd/301:54:203
106891380,1ptp4l401ktimersoftd/301:30:443
20930993725,5cyclictest33-21ksoftirqd/200:44:402
20923993714,3cyclictest9610-21/usr/sbin/munin00:44:401
106891370,1ptp4l401ktimersoftd/323:48:443
106891370,1ptp4l401ktimersoftd/323:36:063
106891370,1ptp4l401ktimersoftd/323:32:073
106891370,1ptp4l401ktimersoftd/322:46:283
106891370,1ptp4l401ktimersoftd/322:20:033
106891370,1ptp4l401ktimersoftd/320:40:323
106891370,1ptp4l401ktimersoftd/301:27:243
106891370,1ptp4l401ktimersoftd/300:58:503
106891370,1ptp4l401ktimersoftd/300:35:373
106891370,1ptp4l401ktimersoftd/300:21:053
106891370,14ptp4l401ktimersoftd/321:24:443
20930993630,3cyclictest33-21ksoftirqd/223:00:192
2092399362,8cyclictest1498-21apt-get22:59:401
170892360,2sleep30-21swapper/321:34:553
106891360,1ptp4l401ktimersoftd/323:53:573
106891360,1ptp4l401ktimersoftd/323:27:113
106891360,1ptp4l401ktimersoftd/320:52:443
106891360,1ptp4l401ktimersoftd/301:56:093
106891360,1ptp4l401ktimersoftd/301:48:293
106891360,1ptp4l401ktimersoftd/301:14:193
106891360,1ptp4l401ktimersoftd/300:50:293
106891360,0ptp4l401ktimersoftd/322:55:263
106891360,0ptp4l401ktimersoftd/301:21:023
106891360,0ptp4l401ktimersoftd/301:16:323
106891360,0ptp4l401ktimersoftd/301:00:373
106891360,0ptp4l401ktimersoftd/300:26:363
20923993512,3cyclictest26344-21sh23:22:301
106891350,2ptp4l19157-21kworker/3:021:18:503
106891350,0ptp4l401ktimersoftd/321:57:483
20923993412,3cyclictest20550-21gltestperf23:49:451
20923993412,3cyclictest1195-21/usr/sbin/munin21:04:371
106891340,2ptp4l0-21swapper/323:00:143
106891340,1ptp4l401ktimersoftd/323:17:363
106891340,1ptp4l401ktimersoftd/321:04:303
106891340,1ptp4l401ktimersoftd/300:05:453
106891340,1ptp4l401ktimersoftd/300:05:453
20930993327,3cyclictest33-21ksoftirqd/200:44:302
2092399337,9cyclictest0-21swapper/101:58:231
20923993314,3cyclictest241ktimersoftd/101:10:201
20923993312,4cyclictest47050irq/101-ens3-Tx23:24:431
2091899337,16cyclictest27397-21ssh00:29:400
106891330,1ptp4l401ktimersoftd/321:22:173
80212320,2sleep10-21swapper/101:48:421
20930993227,3cyclictest33-21ksoftirqd/201:49:312
20930993226,3cyclictest33-21ksoftirqd/223:44:282
20930993226,3cyclictest33-21ksoftirqd/220:49:242
20923993213,3cyclictest20568-21load00:54:481
2065723212,10sleep10-21swapper/120:37:191
106891320,1ptp4l401ktimersoftd/322:09:433
106891320,0ptp4l401ktimersoftd/320:54:373
20930993126,3cyclictest33-21ksoftirqd/200:59:572
20930993125,3cyclictest33-21ksoftirqd/222:39:392
20930993125,3cyclictest33-21ksoftirqd/222:29:262
20930993125,3cyclictest33-21ksoftirqd/222:29:262
20930993117,12cyclictest33-21ksoftirqd/221:29:442
20930993112,17cyclictest33-21ksoftirqd/200:18:002
20918993124,4cyclictest1762-21cron22:14:260
20930993025,3cyclictest33-21ksoftirqd/223:19:412
20930993024,3cyclictest33-21ksoftirqd/201:44:312
20930993024,3cyclictest33-21ksoftirqd/200:29:292
20930993024,3cyclictest33-21ksoftirqd/200:24:302
20930993016,11cyclictest33-21ksoftirqd/221:47:582
20923993024,3cyclictest4580-21taskset22:19:381
20923993011,3cyclictest25-21ksoftirqd/121:12:041
106891300,1ptp4l401ktimersoftd/322:28:403
106891300,1ptp4l401ktimersoftd/322:28:403
68602290,2sleep00-21swapper/023:34:560
2093099293,3cyclictest131rcu_sched00:06:252
2093099293,3cyclictest131rcu_sched00:06:252
20930992924,3cyclictest33-21ksoftirqd/223:19:292
20930992924,3cyclictest33-21ksoftirqd/221:24:432
20930992924,3cyclictest33-21ksoftirqd/201:24:592
20930992923,3cyclictest33-21ksoftirqd/223:54:422
20930992923,3cyclictest33-21ksoftirqd/223:04:432
20930992923,3cyclictest33-21ksoftirqd/222:49:272
20930992923,3cyclictest33-21ksoftirqd/201:34:312
20930992923,3cyclictest33-21ksoftirqd/201:19:302
20930992923,3cyclictest33-21ksoftirqd/201:14:312
20923992912,3cyclictest16012-21idleruntime21:34:431
20930992823,3cyclictest33-21ksoftirqd/221:04:252
20930992823,3cyclictest33-21ksoftirqd/201:54:472
20930992823,3cyclictest33-21ksoftirqd/200:49:462
20930992823,3cyclictest33-21ksoftirqd/200:34:452
20930992823,3cyclictest33-21ksoftirqd/200:09:572
20930992823,3cyclictest33-21ksoftirqd/200:09:572
20930992822,3cyclictest33-21ksoftirqd/221:54:552
20930992816,5cyclictest33-21ksoftirqd/223:29:392
2091899284,14cyclictest13831-21diskmemload22:54:370
1922022821,3sleep09-21ksoftirqd/021:39:500
20935992721,3cyclictest41-21ksoftirqd/322:06:113
20930992722,3cyclictest33-21ksoftirqd/221:49:532
20930992722,3cyclictest33-21ksoftirqd/221:39:442
20930992721,3cyclictest33-21ksoftirqd/222:29:402
20930992721,3cyclictest33-21ksoftirqd/222:29:402
20930992721,3cyclictest33-21ksoftirqd/221:20:592
20930992721,3cyclictest33-21ksoftirqd/220:39:432
20930992721,3cyclictest33-21ksoftirqd/201:23:462
20930992720,4cyclictest33-21ksoftirqd/202:04:462
20930992715,5cyclictest33-21ksoftirqd/221:14:362
20923992722,3cyclictest25-21ksoftirqd/100:14:471
20923992721,3cyclictest25-21ksoftirqd/121:47:501
20923992721,3cyclictest25-21ksoftirqd/101:29:541
20923992719,6cyclictest25-21ksoftirqd/101:20:001
2091899273,13cyclictest3997-21ssh01:44:440
2091899272,13cyclictest25095-21ssh23:54:390
106891270,11ptp4l401ktimersoftd/321:10:173
106891270,10ptp4l401ktimersoftd/320:44:573
106891270,0ptp4l401ktimersoftd/322:33:033
106891270,0ptp4l401ktimersoftd/322:33:033
61102260,1sleep00-21swapper/000:07:480
61102260,1sleep00-21swapper/000:07:480
311482260,2sleep10-21swapper/123:59:501
20935992620,3cyclictest41-21ksoftirqd/322:03:103
20935992619,4cyclictest41-21ksoftirqd/321:40:293
20930992621,3cyclictest33-21ksoftirqd/223:34:582
20930992621,3cyclictest33-21ksoftirqd/223:24:472
20930992621,3cyclictest33-21ksoftirqd/222:19:272
20930992621,3cyclictest33-21ksoftirqd/221:04:382
20930992620,3cyclictest33-21ksoftirqd/222:37:182
20918992620,3cyclictest9-21ksoftirqd/022:18:390
106891260,10ptp4l401ktimersoftd/322:37:403
20935992519,3cyclictest41-21ksoftirqd/321:32:393
20930992520,3cyclictest33-21ksoftirqd/222:19:272
20930992520,3cyclictest33-21ksoftirqd/222:04:422
20930992520,3cyclictest33-21ksoftirqd/221:39:262
20930992520,3cyclictest33-21ksoftirqd/201:49:442
20930992520,3cyclictest33-21ksoftirqd/200:29:422
20930992519,3cyclictest33-21ksoftirqd/222:54:392
20930992519,3cyclictest33-21ksoftirqd/222:11:532
20918992520,3cyclictest9-21ksoftirqd/022:21:210
20918992518,4cyclictest21069-21sed23:49:480
106891250,1ptp4l401ktimersoftd/322:17:543
106891250,1ptp4l401ktimersoftd/321:52:473
106891250,1ptp4l401ktimersoftd/321:44:373
20930992420,3cyclictest33-21ksoftirqd/201:39:312
20930992418,3cyclictest33-21ksoftirqd/223:09:382
20923992419,3cyclictest25-21ksoftirqd/121:04:131
20923992418,4cyclictest25-21ksoftirqd/122:37:441
20918992418,4cyclictest9-21ksoftirqd/021:37:040
20918992418,3cyclictest9-21ksoftirqd/021:24:320
20918992418,3cyclictest9-21ksoftirqd/020:49:360
20918992417,4cyclictest9-21ksoftirqd/020:39:270
20918992417,4cyclictest25669-21ps21:54:450
106891240,1ptp4l401ktimersoftd/300:16:333
20930992317,3cyclictest33-21ksoftirqd/221:09:392
2092399232,13cyclictest6819-21ssh01:14:421
20923992317,4cyclictest25-21ksoftirqd/123:30:271
20923992317,4cyclictest25-21ksoftirqd/122:25:311
20923992317,4cyclictest25-21ksoftirqd/122:25:311
20923992317,4cyclictest25-21ksoftirqd/121:19:071
20923992316,4cyclictest25-21ksoftirqd/121:42:521
2092399230,20cyclictest17612-21ssh22:42:321
20918992318,3cyclictest9-21ksoftirqd/022:38:590
20918992318,3cyclictest9-21ksoftirqd/021:44:410
20918992317,4cyclictest9-21ksoftirqd/020:47:140
20918992317,3cyclictest9-21ksoftirqd/022:25:260
20918992317,3cyclictest9-21ksoftirqd/022:25:260
20918992317,3cyclictest9-21ksoftirqd/021:19:430
20918992317,3cyclictest9-21ksoftirqd/021:07:210
20918992317,3cyclictest9-21ksoftirqd/000:19:180
20918992316,4cyclictest23685-21sh22:49:270
2091899231,19cyclictest1332-21ssh00:34:540
106891230,1ptp4l401ktimersoftd/320:59:353
20923992217,3cyclictest30616-21grep20:54:531
20923992216,3cyclictest25-21ksoftirqd/121:27:571
20923992216,3cyclictest25-21ksoftirqd/120:43:331
20923992216,3cyclictest25-21ksoftirqd/101:39:581
20923992215,4cyclictest29811-21grep01:04:441
20923992215,4cyclictest25-21ksoftirqd/122:33:461
20923992215,4cyclictest25-21ksoftirqd/122:33:461
20923992215,4cyclictest25-21ksoftirqd/121:57:531
20923992215,4cyclictest24633-21grep22:49:441
2091899224,15cyclictest0-21swapper/000:00:230
20918992217,3cyclictest13450-21grep01:20:000
20918992216,3cyclictest9-21ksoftirqd/023:04:370
20918992216,3cyclictest9-21ksoftirqd/021:17:480
20918992215,4cyclictest9-21ksoftirqd/022:03:340
20918992215,4cyclictest5209-21gltestperf00:39:450
2091899221,4cyclictest13417-21ssh00:48:100
20918992214,5cyclictest28917-21latency23:24:470
2091899221,3cyclictest0-21swapper/021:09:370
2091899221,19cyclictest0-21swapper/023:14:480
2091899221,19cyclictest0-21swapper/022:51:240
2091899220,20cyclictest0-21swapper/021:02:330
2092399213,15cyclictest8863-21tail21:19:411
20923992116,3cyclictest25-21ksoftirqd/102:00:031
20923992115,4cyclictest25-21ksoftirqd/122:10:541
20923992115,4cyclictest25-21ksoftirqd/121:54:201
20923992115,3cyclictest27841-21sed21:59:421
20923992115,3cyclictest25-21ksoftirqd/122:05:511
20923992114,4cyclictest8491-21grep23:04:431
20923992114,4cyclictest25-21ksoftirqd/100:37:321
20923992114,4cyclictest22224-21sed00:24:301
20923992113,5cyclictest24146-21cut02:04:471
20918992115,3cyclictest9-21ksoftirqd/001:24:480
20918992114,4cyclictest30241-21mailstats20:54:460
20918992114,4cyclictest21477-21/usr/sbin/munin01:29:460
20918992113,5cyclictest8038-21gltestperf00:09:440
20918992113,5cyclictest8038-21gltestperf00:09:440
20918992113,4cyclictest22950-21cat23:19:390
2091899211,2cyclictest0-21swapper/001:43:160
2091899211,2cyclictest0-21swapper/000:56:130
2091899211,18cyclictest0-21swapper/021:32:300
2091899211,18cyclictest0-21swapper/001:13:590
2091899211,17cyclictest0-21swapper/001:15:310
20923992015,3cyclictest25-21ksoftirqd/101:01:051
20923992014,3cyclictest31605-21sh00:33:591
20923992014,3cyclictest25605-21sh00:27:101
20923992014,3cyclictest24974-21sh23:54:351
20923992013,4cyclictest5278-21/usr/sbin/munin23:34:411
20923992013,4cyclictest28667-21munin-plugin-st20:54:241
20923992013,4cyclictest19075-21/usr/sbin/munin22:44:541
20923992013,4cyclictest18732-21sh01:25:281
20918992014,3cyclictest9-21ksoftirqd/000:59:430
2091899201,3cyclictest950-21hddtemp_smartct23:29:450
20918992013,4cyclictest26833-21sh02:07:180
20918992013,4cyclictest22860-21fschecks_time00:24:440
20918992013,4cyclictest13831-21diskmemload02:03:240
20918992012,5cyclictest19701-21sendmail23:49:280
20918992011,6cyclictest30394-21irqrtprio22:04:420
2091899200,2cyclictest13831-21diskmemload22:43:000
2091899200,19cyclictest0-21swapper/021:50:580
2091899200,17cyclictest20962-21ssh00:22:370
2092399193,10cyclictest26459-21ssh01:34:431
20923991914,3cyclictest25-21ksoftirqd/100:40:091
20923991913,3cyclictest14051-21sh23:43:131
20923991913,3cyclictest1235-21ls22:59:281
20923991912,4cyclictest7791-21sh00:09:421
20923991912,4cyclictest7791-21sh00:09:421
20923991912,4cyclictest644-21dbus-daemon00:09:291
20923991912,4cyclictest644-21dbus-daemon00:09:291
20923991912,4cyclictest24134-21/usr/sbin/munin20:44:421
20923991912,4cyclictest19317-21latency_hist00:54:311
2092399190,2cyclictest121rcu_preempt23:47:361
20918991914,3cyclictest11093-21users22:29:570
20918991914,3cyclictest11093-21users22:29:570
20918991913,3cyclictest13831-21diskmemload23:40:580
2091899190,17cyclictest0-21swapper/001:56:280
20923991812,4cyclictest25-21ksoftirqd/121:31:521
20923991812,3cyclictest13831-21diskmemload23:09:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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