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2026-06-03 - 10:52
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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 Wed Jun 03, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3020421630,5sleep3360899cyclictest22:50:503
1068911040,3ptp4l401ktimersoftd/320:42:423
202332800,2sleep00-21swapper/001:57:400
13322674,10sleep00-21swapper/020:40:340
91462610,1sleep10-21swapper/123:01:281
150292600,2sleep00-21swapper/021:15:530
137482580,4sleep0101ktimersoftd/022:20:520
3608995721,5cyclictest41-21ksoftirqd/301:20:563
268482570,2sleep30-21swapper/323:20:453
117902550,2sleep311792-21rm00:43:483
106891550,1ptp4l401ktimersoftd/300:20:333
33642540,2sleep30-21swapper/300:01:243
313842540,2sleep20-21swapper/202:09:592
3608995232,3cyclictest41-21ksoftirqd/300:50:493
3608995218,4cyclictest41-21ksoftirqd/301:45:563
3608995122,10cyclictest41-21ksoftirqd/300:40:343
154592510,2sleep30-21swapper/321:16:563
3608995044,3cyclictest41-21ksoftirqd/322:05:353
3608995022,8cyclictest41-21ksoftirqd/323:46:013
3608994922,10cyclictest41-21ksoftirqd/323:11:003
3608994921,8cyclictest41-21ksoftirqd/322:20:503
31562494,33sleep20-21swapper/220:41:252
273262490,1sleep30-21swapper/322:47:213
143462490,2sleep20-21swapper/201:19:562
3608994837,4cyclictest41-21ksoftirqd/323:35:503
3608994821,8cyclictest41-21ksoftirqd/323:31:363
3608994821,10cyclictest41-21ksoftirqd/321:35:463
3608994820,7cyclictest41-21ksoftirqd/321:55:483
3608994820,4cyclictest41-21ksoftirqd/322:35:323
3608994820,10cyclictest41-21ksoftirqd/301:30:573
194812480,3sleep0101ktimersoftd/023:12:230
360899474,8cyclictest41-21ksoftirqd/323:25:523
3608994721,4cyclictest41-21ksoftirqd/320:45:433
3608994719,10cyclictest41-21ksoftirqd/301:41:003
360899467,3cyclictest41-21ksoftirqd/322:55:533
360899464,8cyclictest41-21ksoftirqd/301:00:353
3608994633,3cyclictest41-21ksoftirqd/321:45:543
3608994623,7cyclictest41-21ksoftirqd/301:36:593
3608994620,4cyclictest41-21ksoftirqd/300:45:533
3608994618,11cyclictest41-21ksoftirqd/321:30:493
3608994615,7cyclictest41-21ksoftirqd/323:58:523
360899456,9cyclictest41-21ksoftirqd/323:15:563
360899455,7cyclictest41-21ksoftirqd/323:00:463
360899455,7cyclictest41-21ksoftirqd/321:40:473
3608994522,7cyclictest41-21ksoftirqd/323:40:523
3608994522,4cyclictest41-21ksoftirqd/301:10:503
3608994520,9cyclictest41-21ksoftirqd/301:05:553
360899451,8cyclictest41-21ksoftirqd/300:10:503
3608994518,9cyclictest41-21ksoftirqd/323:07:393
3608994516,8cyclictest41-21ksoftirqd/302:11:533
360899445,9cyclictest41-21ksoftirqd/301:00:583
360899445,9cyclictest41-21ksoftirqd/301:00:583
360899445,5cyclictest41-21ksoftirqd/301:15:503
360899443,8cyclictest41-21ksoftirqd/322:10:583
3608994418,9cyclictest41-21ksoftirqd/302:06:073
360899441,7cyclictest21917-21munin-run22:40:323
3608994417,5cyclictest41-21ksoftirqd/322:00:453
3608994416,10cyclictest41-21ksoftirqd/302:01:213
3608994416,10cyclictest41-21ksoftirqd/301:54:523
3608994415,8cyclictest41-21ksoftirqd/301:26:443
3608994333,3cyclictest41-21ksoftirqd/300:26:033
3608994313,8cyclictest41-21ksoftirqd/301:57:253
360899424,9cyclictest41-21ksoftirqd/321:05:433
3608994217,10cyclictest41-21ksoftirqd/321:05:293
3608994215,7cyclictest41-21ksoftirqd/323:51:523
3608994214,8cyclictest41-21ksoftirqd/300:23:183
3608994214,8cyclictest41-21ksoftirqd/300:08:333
3608994212,8cyclictest41-21ksoftirqd/300:31:263
360899415,8cyclictest41-21ksoftirqd/321:15:293
3608994130,4cyclictest41-21ksoftirqd/321:25:303
3608994024,12cyclictest391rcuc/322:15:583
360899402,3cyclictest121rcu_preempt21:25:463
360899402,3cyclictest121rcu_preempt21:25:463
3608994012,4cyclictest41-21ksoftirqd/322:40:473
360399402,34cyclictest9775-21ls21:00:282
360899394,4cyclictest41-21ksoftirqd/320:50:323
360899392,3cyclictest121rcu_preempt22:25:503
360899382,2cyclictest121rcu_preempt21:50:513
360899382,2cyclictest121rcu_preempt20:55:393
3603993732,2cyclictest33-21ksoftirqd/200:05:452
28102363,20sleep12866-21/usr/sbin/munin20:40:591
3603993529,3cyclictest33-21ksoftirqd/200:50:342
3603993522,11cyclictest33-21ksoftirqd/200:31:082
3603993327,3cyclictest33-21ksoftirqd/200:00:342
360399331,6cyclictest0-21swapper/201:05:512
132212330,1sleep20-21swapper/200:11:072
3603993227,3cyclictest33-21ksoftirqd/221:20:292
3603993125,3cyclictest33-21ksoftirqd/201:45:502
3603993024,3cyclictest33-21ksoftirqd/221:35:292
3603993019,9cyclictest33-21ksoftirqd/222:50:382
3603992924,3cyclictest33-21ksoftirqd/201:55:492
3603992923,3cyclictest33-21ksoftirqd/223:40:462
3603992923,3cyclictest33-21ksoftirqd/223:10:502
3603992923,3cyclictest33-21ksoftirqd/223:00:312
3592992922,4cyclictest18057-21grep00:16:031
5952280,5sleep2321ktimersoftd/202:10:552
360399285,3cyclictest33-21ksoftirqd/201:00:352
3603992823,3cyclictest33-21ksoftirqd/222:15:502
3603992823,3cyclictest33-21ksoftirqd/221:40:302
3603992823,3cyclictest33-21ksoftirqd/201:40:582
3603992822,3cyclictest33-21ksoftirqd/223:25:452
3603992822,3cyclictest33-21ksoftirqd/201:10:472
3603992822,3cyclictest33-21ksoftirqd/200:40:492
3603992822,3cyclictest33-21ksoftirqd/200:20:342
3603992820,4cyclictest19254-21grep23:45:492
360399280,3cyclictest121rcu_preempt21:50:442
360399280,3cyclictest121rcu_preempt01:35:472
360399280,13cyclictest0-21swapper/222:10:492
3603992722,3cyclictest33-21ksoftirqd/222:46:012
3603992721,3cyclictest33-21ksoftirqd/223:06:152
3603992721,3cyclictest33-21ksoftirqd/222:35:512
3603992721,3cyclictest33-21ksoftirqd/200:50:532
3603992721,3cyclictest33-21ksoftirqd/200:25:342
3603992720,4cyclictest33-21ksoftirqd/221:08:442
3603992720,4cyclictest33-21ksoftirqd/220:48:532
3603992714,10cyclictest33-21ksoftirqd/200:35:432
3603992711,14cyclictest33-21ksoftirqd/223:30:392
3592992720,4cyclictest25-21ksoftirqd/100:10:461
3603992621,3cyclictest33-21ksoftirqd/223:35:522
3603992621,3cyclictest33-21ksoftirqd/223:00:482
3603992621,3cyclictest33-21ksoftirqd/222:35:322
3603992621,3cyclictest33-21ksoftirqd/201:25:552
3603992620,3cyclictest33-21ksoftirqd/223:50:472
3603992620,3cyclictest33-21ksoftirqd/201:00:512
3603992620,3cyclictest33-21ksoftirqd/201:00:512
3603992620,3cyclictest33-21ksoftirqd/200:25:532
3603992619,4cyclictest33-21ksoftirqd/222:27:492
3603992619,4cyclictest33-21ksoftirqd/222:00:432
360399261,4cyclictest33-21ksoftirqd/223:15:562
3592992621,3cyclictest25-21ksoftirqd/123:36:031
3588992622,3cyclictest9-21ksoftirqd/000:55:340
3588992621,3cyclictest9-21ksoftirqd/001:20:450
3588992619,4cyclictest9-21ksoftirqd/022:05:190
3603992520,3cyclictest33-21ksoftirqd/221:40:522
3603992520,3cyclictest33-21ksoftirqd/201:50:542
3603992520,3cyclictest33-21ksoftirqd/201:20:522
3603992520,3cyclictest33-21ksoftirqd/200:00:482
3603992518,4cyclictest33-21ksoftirqd/220:52:062
359299256,13cyclictest13250-21ssh00:45:461
3592992520,3cyclictest25-21ksoftirqd/121:38:331
3592992519,3cyclictest25-21ksoftirqd/121:22:431
3592992519,3cyclictest25-21ksoftirqd/100:38:041
3592992519,3cyclictest25-21ksoftirqd/100:05:451
3588992518,4cyclictest11042-21/usr/sbin/munin21:05:410
3588992517,5cyclictest10666-21gltestperf01:15:510
112592250,2sleep00-21swapper/023:05:040
3603992418,4cyclictest33-21ksoftirqd/223:20:522
3603992418,3cyclictest33-21ksoftirqd/222:42:212
3603992418,3cyclictest33-21ksoftirqd/221:21:132
3603992418,3cyclictest33-21ksoftirqd/221:11:522
3603992418,3cyclictest33-21ksoftirqd/201:30:552
3603992417,4cyclictest33-21ksoftirqd/221:03:582
3592992419,3cyclictest25-21ksoftirqd/123:35:131
3592992419,3cyclictest25-21ksoftirqd/123:21:021
3592992419,3cyclictest25-21ksoftirqd/101:00:471
3592992419,3cyclictest25-21ksoftirqd/101:00:471
3592992418,3cyclictest25-21ksoftirqd/121:43:241
3592992417,4cyclictest25-21ksoftirqd/122:15:591
3592992417,4cyclictest25-21ksoftirqd/121:00:441
3592992417,4cyclictest23766-21grep00:55:541
359299240,3cyclictest121rcu_preempt02:05:391
3588992418,3cyclictest9-21ksoftirqd/021:55:080
265312240,2sleep10-21swapper/123:52:431
264512240,20sleep026460-21ssh02:04:560
152602240,2sleep015269-21ssh00:46:230
3603992318,3cyclictest33-21ksoftirqd/221:25:472
3603992318,3cyclictest33-21ksoftirqd/221:25:472
3603992318,3cyclictest33-21ksoftirqd/202:00:502
3603992317,3cyclictest33-21ksoftirqd/222:05:502
3603992316,4cyclictest33-21ksoftirqd/222:24:152
3592992318,3cyclictest25-21ksoftirqd/120:50:291
3592992317,4cyclictest25-21ksoftirqd/122:31:251
3592992317,3cyclictest25-21ksoftirqd/122:37:111
3592992317,3cyclictest25-21ksoftirqd/122:01:021
3592992316,4cyclictest25-21ksoftirqd/121:12:121
3592992316,4cyclictest25-21ksoftirqd/120:54:301
3592992315,4cyclictest9445-21unixbench_singl01:46:061
3592992314,6cyclictest22276-21/usr/sbin/munin02:01:051
359299231,19cyclictest14852-21ssh01:51:521
3588992317,3cyclictest9-21ksoftirqd/022:36:300
3588992317,3cyclictest9-21ksoftirqd/021:56:350
3588992317,3cyclictest9-21ksoftirqd/021:23:110
3588992317,3cyclictest6442-21needreboot01:10:550
3588992316,4cyclictest9-21ksoftirqd/022:31:160
358899231,19cyclictest30455-21ssh23:24:190
358899230,20cyclictest6924-21snmp_o5powerctl20:50:330
360399229,5cyclictest33-21ksoftirqd/221:45:482
359299224,12cyclictest26051-21ssh00:25:461
3592992215,5cyclictest25-21ksoftirqd/123:47:251
3592992215,4cyclictest31067-21cpuspeed_turbos00:30:481
3592992215,4cyclictest22095-21grep23:15:471
358899222,17cyclictest0-21swapper/001:02:430
358899222,17cyclictest0-21swapper/001:02:430
3588992217,3cyclictest9-21ksoftirqd/022:53:320
3588992217,3cyclictest9-21ksoftirqd/021:43:070
3588992217,3cyclictest9-21ksoftirqd/021:39:330
3588992217,3cyclictest0-21swapper/022:28:560
3588992216,3cyclictest9-21ksoftirqd/022:15:370
3588992216,3cyclictest9-21ksoftirqd/021:49:190
3588992216,3cyclictest9-21ksoftirqd/021:04:050
3588992214,5cyclictest639-21cron01:45:350
358899221,2cyclictest0-21swapper/001:50:580
358899221,18cyclictest0-21swapper/023:36:170
358899221,18cyclictest0-21swapper/000:37:230
358899220,4cyclictest4025-21ssh01:09:030
358899220,19cyclictest24276-21diskmemload23:08:090
3592992116,3cyclictest25-21ksoftirqd/123:44:001
3592992116,3cyclictest25-21ksoftirqd/122:50:001
3592992116,3cyclictest25-21ksoftirqd/121:58:051
3592992116,3cyclictest25-21ksoftirqd/101:31:361
3592992115,4cyclictest25-21ksoftirqd/122:50:491
3592992115,4cyclictest25-21ksoftirqd/120:55:581
3592992115,3cyclictest25-21ksoftirqd/122:15:311
3592992115,3cyclictest25-21ksoftirqd/121:49:571
3592992115,3cyclictest1710-21sh01:05:571
359299211,4cyclictest4603-21rm00:03:301
3592992114,4cyclictest18547-21/usr/sbin/munin21:25:431
3592992114,4cyclictest18547-21/usr/sbin/munin21:25:431
3592992114,4cyclictest17823-21sh01:22:311
3592992114,3cyclictest19961-21acpi01:25:471
3592992113,5cyclictest15355-21grep21:15:551
358899212,12cyclictest21764-21ssh23:15:430
3588992117,2cyclictest0-21swapper/022:43:480
3588992115,4cyclictest9-21ksoftirqd/021:26:450
3588992115,4cyclictest9-21ksoftirqd/021:26:450
3588992115,3cyclictest9-21ksoftirqd/022:14:540
3588992115,3cyclictest9-21ksoftirqd/000:00:210
3588992114,4cyclictest3211-21missed_timers22:55:530
3588992114,4cyclictest29991-21grep01:35:490
3588992114,4cyclictest24810-21tail00:56:040
358899211,18cyclictest0-21swapper/023:42:210
358899211,18cyclictest0-21swapper/001:30:040
358899211,18cyclictest0-21swapper/000:28:200
358899211,18cyclictest0-21swapper/000:08:260
358899211,18cyclictest0-21swapper/000:02:460
358899210,18cyclictest24276-21diskmemload22:46:320
3592992015,3cyclictest25-21ksoftirqd/101:14:501
3592992014,4cyclictest25-21ksoftirqd/122:43:011
3592992014,4cyclictest25-21ksoftirqd/121:33:441
3592992014,4cyclictest12517-21rm01:16:491
3592992014,3cyclictest8659-21fschecks_count00:40:511
3592992014,3cyclictest4139-21find01:41:031
3592992013,4cyclictest32726-21needreboot23:25:541
3592992013,4cyclictest31866-21sh23:58:251
3592992013,4cyclictest2398-21sh22:55:471
3592992013,4cyclictest12658-21/usr/sbin/munin22:20:571
359299200,4cyclictest2105-21rm01:40:271
359299200,19cyclictest0-21swapper/101:55:511
3588992017,2cyclictest0-21swapper/022:08:350
3588992014,4cyclictest5376-21python20:45:510
3588992014,3cyclictest9-21ksoftirqd/021:15:290
3588992014,3cyclictest16509-21df_inode00:15:470
358899201,3cyclictest0-21swapper/002:05:550
3588992013,4cyclictest7568-21/usr/sbin/munin01:45:590
3588992013,4cyclictest31750-21irqrtprio00:30:530
3588992013,4cyclictest21302-21cut21:30:460
358899201,2cyclictest0-21swapper/023:27:250
358899201,17cyclictest32155-21apt-get02:10:490
358899201,17cyclictest0-21swapper/023:52:220
358899201,17cyclictest0-21swapper/023:46:090
358899201,17cyclictest0-21swapper/000:40:550
358899201,17cyclictest0-21swapper/000:22:060
3588992011,6cyclictest46950irq/100-ens3-Tx01:30:480
3603991914,3cyclictest33-21ksoftirqd/221:55:432
359299195,9cyclictest64-21kswapd002:10:481
3592991914,3cyclictest25-21ksoftirqd/121:55:301
3592991914,3cyclictest25-21ksoftirqd/100:50:491
3592991912,4cyclictest17173-21fschecks_count23:10:471
3592991912,4cyclictest12175-21sed21:05:531
3592991911,5cyclictest21849-21irqrtprio00:20:531
3588991914,3cyclictest8069-21fschecks_time20:55:400
358899191,16cyclictest0-21swapper/023:31:170
358899191,16cyclictest0-21swapper/000:11:380
359299181,14cyclictest4881-21apt-get22:05:331
359299180,2cyclictest0-21swapper/122:25:441
3592991711,3cyclictest24276-21diskmemload23:05:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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