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2026-05-30 - 21:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Sat May 30, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26844182330,2sleep12683672-21ssh12:14:521
2254338993023,2cyclictest0-21swapper/009:35:010
2254338992919,2cyclictest17350irq/127-ahci[0000:00:17.0]12:25:000
2254339992818,3cyclictest0-21swapper/110:15:011
2254339992421,2cyclictest0-21swapper/112:20:021
2254338992412,7cyclictest0-21swapper/011:00:000
2254338992315,7cyclictest2618600-21latency_hist11:30:020
2254338992314,6cyclictest2633342-21apt-get11:40:020
2254339992216,3cyclictest0-21swapper/111:40:001
2254338992219,2cyclictest2376183-21debian-sa108:44:590
2254338992218,2cyclictest2269209-21sh07:20:000
2254338992218,2cyclictest0-21swapper/007:15:010
2254340992118,1cyclictest0-21swapper/212:20:002
2254339992118,2cyclictest2671219-21wc12:05:001
2254339992117,2cyclictest134050irq/121-eno110:44:511
2254338992118,2cyclictest2319492-21grep08:00:010
2254338992118,2cyclictest0-21swapper/009:25:000
2254338992117,2cyclictest0-21swapper/012:20:010
2254338992117,2cyclictest0-21swapper/007:50:010
2254338992115,5cyclictest2407401-21grep09:10:000
2649091201,2phc2sys0-21swapper/310:45:013
2254340992017,1cyclictest0-21swapper/209:25:002
2254340992017,1cyclictest0-21swapper/207:20:002
225433999209,3cyclictest0-21swapper/111:24:571
2254339992017,2cyclictest2663694-21latency_hist12:00:001
2254339992017,2cyclictest1-21systemd09:10:001
2254339992017,2cyclictest0-21swapper/112:30:011
2254338992017,2cyclictest2270873-21grep07:24:510
2254338992017,1cyclictest0-21swapper/009:30:010
2254338992016,2cyclictest0-21swapper/009:40:000
2254338992015,3cyclictest0-21swapper/009:15:000
2254338992011,5cyclictest2254336-21cyclictest10:19:500
24403222190,0sleep12440326-21ethtool09:34:511
2254340991916,1cyclictest0-21swapper/212:34:512
2254340991916,1cyclictest0-21swapper/208:05:012
2254339991916,2cyclictest2565856-21uptime10:55:001
2254339991916,2cyclictest2422578-21/usr/sbin/munin09:20:011
2254339991916,2cyclictest2382334-21ls08:50:011
2254339991916,2cyclictest2382334-21ls08:50:001
225433899193,8cyclictest2313026-21awk07:55:000
2254338991916,2cyclictest3851698-21mta-sts-daemon10:09:530
2254338991916,2cyclictest0-21swapper/012:35:020
2254338991916,2cyclictest0-21swapper/012:10:010
2254338991912,6cyclictest0-21swapper/012:40:010
2649091181,2phc2sys0-21swapper/312:24:543
2649091180,2phc2sys0-21swapper/311:48:153
2649091180,2phc2sys0-21swapper/310:06:093
2649091180,1phc2sys0-21swapper/309:27:263
2254340991816,1cyclictest0-21swapper/212:25:002
2254340991816,1cyclictest0-21swapper/211:40:012
2254340991815,1cyclictest0-21swapper/211:50:002
2254340991815,1cyclictest0-21swapper/210:55:002
2254339991815,2cyclictest2696491-21cut12:24:521
2254339991815,2cyclictest2558455-21/usr/sbin/munin10:50:011
2254339991815,2cyclictest2460261-21latency_hist09:45:011
2254339991814,2cyclictest134050irq/121-eno109:49:531
2254339991812,4cyclictest1290-21dbus-daemon11:45:011
225433899189,5cyclictest2580404-21mailstats11:04:580
225433899187,6cyclictest0-21swapper/010:55:010
225433899182,5cyclictest16-21ksoftirqd/010:49:490
2254338991815,2cyclictest2651947-21kthreadcore11:54:500
2254338991815,2cyclictest2369882-21idleruntime-cro08:40:000
2254338991815,2cyclictest2338596-21latency_hist08:15:010
2254338991815,2cyclictest0-21swapper/008:05:000
2254338991814,3cyclictest2420426-21kthreadcore09:19:550
2254338991814,2cyclictest0-21swapper/008:50:000
2254338991814,2cyclictest0-21swapper/008:50:000
2254338991810,7cyclictest2295096-21aten2.4-expect07:44:460
2649091170,2phc2sys0-21swapper/312:15:193
24168772171,3sleep30-21swapper/309:19:483
2254340991710,3cyclictest0-21swapper/209:59:442
2254339991715,2cyclictest351ktimers/112:35:541
2254339991714,2cyclictest3827634-1atopacctd10:56:591
2254339991714,2cyclictest2306656-21timerandwakeup07:50:021
2254339991714,2cyclictest0-21swapper/108:05:011
2254339991713,3cyclictest2508955-21kthreadcore10:19:551
225433999170,5cyclictest0-21swapper/109:59:441
225433899179,4cyclictest16-21ksoftirqd/008:24:510
225433899179,2cyclictest0-21swapper/011:14:540
225433899178,4cyclictest2326908-21tail08:09:470
225433899175,5cyclictest2645084-21grep11:49:530
225433899173,9cyclictest2535552-21latency_hist10:35:000
2254338991714,2cyclictest2709029-21latency_hist12:30:010
2254338991714,2cyclictest2623313-21kthreadcore11:34:530
2254338991714,2cyclictest2455187-21gltestperf09:44:510
2254338991713,3cyclictest2362471-21kthreadcore08:34:540
2254338991713,2cyclictest2401425-21latency_hist09:05:010
2254338991712,1cyclictest491rcuog/211:06:200
2254338991711,5cyclictest3851704-21mta-sts-daemon10:14:120
2254338991711,2cyclictest2407377-21diskmemload09:46:370
2649091166,2phc2sys0-21swapper/310:17:473
2649091160,2phc2sys0-21swapper/312:13:083
2649091160,2phc2sys0-21swapper/307:55:013
2649091160,1phc2sys0-21swapper/311:11:023
2649091160,1phc2sys0-21swapper/309:48:013
2649091160,1phc2sys0-21swapper/307:31:153
225434099161,8cyclictest0-21swapper/211:59:442
2254340991613,1cyclictest0-21swapper/212:10:012
2254340991613,1cyclictest0-21swapper/210:46:102
2254340991613,1cyclictest0-21swapper/210:15:282
2254340991613,1cyclictest0-21swapper/209:44:592
2254340991613,1cyclictest0-21swapper/209:30:002
2254340991613,1cyclictest0-21swapper/208:35:022
2254340991613,1cyclictest0-21swapper/207:15:012
2254339991614,1cyclictest2535583-21/usr/sbin/munin10:35:001
2254339991613,2cyclictest3851704-21mta-sts-daemon09:50:561
2254339991613,2cyclictest2618413-21sh11:30:011
2254339991613,2cyclictest2583413-21gltestperf11:09:501
2254339991613,2cyclictest2492908-21if_enp1s010:09:511
2254339991613,2cyclictest2489649-21pmu-power10:04:571
2254339991613,2cyclictest2357577-21cut08:30:021
2254339991613,2cyclictest2254336-21cyclictest08:34:521
2254339991613,2cyclictest1290-21dbus-daemon09:00:001
2254339991613,2cyclictest0-21swapper/107:15:011
2254339991612,3cyclictest2618589-21kworker/u16:3+nfsiod11:48:021
2254339991612,2cyclictest2300761-21systemd-run07:45:011
2254339991611,4cyclictest3834587-17auditd10:37:381
225433899169,6cyclictest0-21swapper/009:54:520
225433899168,4cyclictest2276339-21tail07:29:470
225433899166,5cyclictest0-21swapper/011:24:540
225433899165,6cyclictest0-21swapper/010:24:520
2254338991613,2cyclictest2663727-21systemd-run12:00:000
2254338991613,2cyclictest2383398-21tr08:54:460
2254338991613,2cyclictest2356978-21mailstats08:29:560
2254338991612,3cyclictest2523297-21gltestperf10:29:460
2254338991611,1cyclictest134050irq/121-eno109:59:450
225433899160,6cyclictest2641403-21munin-run11:45:010
2649091150,6phc2sys0-21swapper/310:49:093
2649091150,4phc2sys0-21swapper/312:07:233
2649091150,4phc2sys0-21swapper/311:58:123
2649091150,4phc2sys0-21swapper/310:01:153
2649091150,2phc2sys0-21swapper/310:25:533
2649091150,2phc2sys0-21swapper/307:14:553
2254340991513,1cyclictest0-21swapper/210:05:012
2254340991512,1cyclictest0-21swapper/211:20:012
2254340991512,1cyclictest0-21swapper/211:10:012
2254340991512,1cyclictest0-21swapper/210:13:392
2254340991512,1cyclictest0-21swapper/208:14:522
2254340991512,1cyclictest0-21swapper/208:00:022
2254340991512,1cyclictest0-21swapper/207:55:002
2254340991512,1cyclictest0-21swapper/207:25:002
2254340991511,2cyclictest0-21swapper/209:20:022
2254340991511,2cyclictest0-21swapper/209:14:572
2254340991511,1cyclictest0-21swapper/212:29:442
225434099150,9cyclictest0-21swapper/210:40:002
225433999159,5cyclictest3851703-21mta-sts-daemon11:02:581
2254339991513,1cyclictest0-21swapper/110:30:001
2254339991512,2cyclictest3851705-21mta-sts-daemon12:34:061
2254339991512,2cyclictest2449993-21kthreadcore09:39:521
2254339991512,2cyclictest2371982-21kthreadcore08:44:521
2254339991512,2cyclictest2340376-21irqrtprio08:19:511
2254339991512,2cyclictest2333685-21fschecks_time08:14:481
2254339991512,2cyclictest2327631-21grep08:09:511
2254339991512,2cyclictest2326194-21kworker/u16:1+events_unbound08:40:011
2254339991512,2cyclictest2254336-21cyclictest08:54:501
2254339991512,2cyclictest2211098-21kworker/u16:2+nfsiod11:17:171
2254339991512,2cyclictest1290-21dbus-daemon07:28:091
2254339991512,2cyclictest0-21swapper/112:10:001
2254339991511,3cyclictest2430031-21latency_hist09:25:001
2254339991511,3cyclictest2282980-21sh07:34:461
225433899158,6cyclictest2488067-21kthreadcore10:04:530
225433899158,6cyclictest0-21swapper/012:14:000
225433899156,5cyclictest2537627-21apt-get10:39:440
225433899151,8cyclictest2544435-21sh10:42:370
2254338991511,3cyclictest3851703-21mta-sts-daemon12:02:010
225433899150,13cyclictest2394958-21latency_hist09:00:000
2649091140,2phc2sys0-21swapper/311:39:403
2649091140,2phc2sys0-21swapper/311:04:073
2649091140,2phc2sys0-21swapper/310:23:503
225434099141,6cyclictest0-21swapper/210:10:002
2254340991412,1cyclictest0-21swapper/208:19:472
2254340991411,1cyclictest0-21swapper/211:34:542
2254340991411,1cyclictest0-21swapper/211:03:262
2254340991411,1cyclictest0-21swapper/210:55:122
2254340991411,1cyclictest0-21swapper/210:44:392
2254340991411,1cyclictest0-21swapper/210:32:122
2254340991411,1cyclictest0-21swapper/210:29:442
2254340991411,1cyclictest0-21swapper/209:54:582
2254340991411,1cyclictest0-21swapper/209:49:162
2254340991411,1cyclictest0-21swapper/209:33:062
2254340991411,1cyclictest0-21swapper/208:42:222
2254340991411,1cyclictest0-21swapper/208:24:452
2254340991411,1cyclictest0-21swapper/208:05:552
2254340991411,1cyclictest0-21swapper/207:50:012
2254340991411,1cyclictest0-21swapper/207:32:202
225433999149,4cyclictest3851702-21mta-sts-daemon07:15:481
225433999149,4cyclictest2410051-21gltestperf09:14:501
2254339991411,2cyclictest3851705-21mta-sts-daemon11:34:201
2254339991411,2cyclictest3851702-21mta-sts-daemon09:25:491
2254339991411,2cyclictest2518031-21kthreadcore10:24:521
2254339991411,2cyclictest2314684-21irqcore07:59:511
2254339991411,2cyclictest2272263-21kthreadcore07:24:521
2254339991411,2cyclictest1-21systemd11:10:061
2254339991410,3cyclictest3851702-21mta-sts-daemon09:04:471
2254339991410,3cyclictest2566012-21kworker/u16:1+nfsiod11:53:561
2254339991410,3cyclictest2291589-21kthreadcore07:39:531
225433899146,4cyclictest2339417-21aten2.4-expect08:19:460
225433899145,4cyclictest2602534-21sed11:19:530
2254338991411,2cyclictest3851703-21mta-sts-daemon07:39:460
2254338991410,3cyclictest0-21swapper/007:35:010
2649091135,2phc2sys0-21swapper/309:24:533
2649091130,2phc2sys0-21swapper/311:19:013
2649091130,2phc2sys0-21swapper/311:06:463
2649091130,2phc2sys0-21swapper/310:39:003
2649091130,2phc2sys0-21swapper/309:54:153
2649091130,2phc2sys0-21swapper/309:41:323
2649091130,2phc2sys0-21swapper/307:19:503
225434099139,2cyclictest0-21swapper/212:15:022
225434099139,2cyclictest0-21swapper/211:29:362
225434099139,2cyclictest0-21swapper/209:35:342
2254340991311,1cyclictest0-21swapper/209:00:022
2254340991311,1cyclictest0-21swapper/208:36:052
2254340991311,1cyclictest0-21swapper/207:44:362
2254340991311,1cyclictest0-21swapper/207:10:012
2254340991310,1cyclictest0-21swapper/212:35:202
2254340991310,1cyclictest0-21swapper/211:20:292
2254340991310,1cyclictest0-21swapper/210:25:002
2254340991310,1cyclictest0-21swapper/208:55:012
2254340991310,1cyclictest0-21swapper/208:49:542
2254340991310,1cyclictest0-21swapper/208:49:542
2254340991310,1cyclictest0-21swapper/208:29:472
2254340991310,1cyclictest0-21swapper/207:29:142
2254339991310,2cyclictest2346238-21gltestperf08:24:481
225433999130,5cyclictest2308192-21hddtemp_smartct07:54:501
2254338991310,2cyclictest0-21swapper/007:10:000
2649091121,3phc2sys0-21swapper/311:21:003
2649091121,3phc2sys0-21swapper/310:10:313
2649091121,3phc2sys0-21swapper/308:59:443
2649091121,2phc2sys0-21swapper/309:37:513
2649091121,2phc2sys0-21swapper/309:14:513
2649091120,3phc2sys0-21swapper/311:54:443
2649091120,2phc2sys0-21swapper/308:43:433
2649091120,1phc2sys0-21swapper/308:05:543
225434099129,2cyclictest0-21swapper/211:40:442
225434099129,2cyclictest0-21swapper/209:02:342
225434099121,6cyclictest0-21swapper/207:40:002
2254340991210,1cyclictest0-21swapper/211:51:102
2254340991210,1cyclictest0-21swapper/211:13:152
2649091111,2phc2sys0-21swapper/312:31:353
2649091110,2phc2sys0-21swapper/309:59:443
2649091110,2phc2sys0-21swapper/309:05:013
2649091110,1phc2sys0-21swapper/310:58:323
2649091110,1phc2sys0-21swapper/308:25:333
2649091110,1phc2sys0-21swapper/308:11:263
2649091110,1phc2sys0-21swapper/307:35:033
2649091110,1phc2sys0-21swapper/307:26:303
2649091110,1phc2sys0-21swapper/307:21:333
225434099119,1cyclictest0-21swapper/212:00:422
225434099118,1cyclictest0-21swapper/209:06:382
2649091102,2phc2sys0-21swapper/311:30:273
2649091102,2phc2sys0-21swapper/310:32:153
2649091101,2phc2sys0-21swapper/312:38:253
2649091100,3phc2sys0-21swapper/308:16:383
2649091100,2phc2sys0-21swapper/312:28:553
2649091100,2phc2sys0-21swapper/312:00:213
2649091100,2phc2sys0-21swapper/311:41:373
2649091100,2phc2sys0-21swapper/311:29:593
2649091100,2phc2sys0-21swapper/310:54:473
2649091100,2phc2sys0-21swapper/309:31:063
2649091100,2phc2sys0-21swapper/308:24:443
2649091100,2phc2sys0-21swapper/307:49:503
2649091100,2phc2sys0-21swapper/307:45:013
2649091100,1phc2sys0-21swapper/308:52:303
225433999108,1cyclictest0-21swapper/107:10:001
264909190,2phc2sys0-21swapper/309:06:093
264909190,2phc2sys0-21swapper/308:36:063
264909190,2phc2sys0-21swapper/308:34:553
264909190,2phc2sys0-21swapper/308:04:493
264909190,2phc2sys0-21swapper/307:59:483
264909190,2phc2sys0-21swapper/307:09:473
264909190,1phc2sys0-21swapper/308:47:293
264909190,1phc2sys0-21swapper/308:47:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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