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2026-07-28 - 21:05
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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 all highest latencies:
System rackeslot2.osadl.org (updated Tue Jul 28, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291313521430,3sleep30-21swapper/310:27:563
26549642930,1sleep00-21swapper/007:15:040
30158872460,1sleep13015891-21tr11:36:071
28998472370,3sleep12899851-21cpuspeed_turbos10:20:441
2646387992826,1cyclictest0-21swapper/110:00:011
264638699233,5cyclictest3078622-21/usr/sbin/munin12:21:060
2646386992311,7cyclictest2928460-21ssh10:38:340
264638699229,8cyclictest2759694-21irqcore08:40:500
264638699224,7cyclictest3087287-21grep12:26:040
264638699223,6cyclictest2789131-21munin-run09:05:010
264638699223,13cyclictest2777264-21/usr/sbin/munin08:55:420
264638699223,12cyclictest2984520-21cat11:16:110
2646386992214,4cyclictest0-21swapper/010:30:010
2646386992211,3cyclictest1300-21mta-sts-daemon09:40:310
264638899212,8cyclictest0-21swapper/212:10:012
2646387992115,2cyclictest491rcuog/211:01:351
264638699214,7cyclictest3055607-21sh12:04:110
264638699214,7cyclictest3003346-21runrttasks11:29:340
264638699214,7cyclictest2827622-21tr09:30:490
264638699214,7cyclictest0-21swapper/010:30:320
264638699214,12cyclictest3075298-21cut12:16:060
264638699214,12cyclictest3075298-21cut12:16:060
264638699214,12cyclictest2768558-21cut08:45:520
264638699214,12cyclictest2664694-21cut07:20:500
264638699213,9cyclictest2834109-21kthreadcore09:35:520
264638699213,8cyclictest2882508-21ssh10:05:570
264638699213,5cyclictest3064229-21grep12:11:000
264638699213,12cyclictest2676688-21cut07:30:500
2646386992116,4cyclictest690-21rs:main0
2646386992110,6cyclictest0-21swapper/012:10:010
2646388992017,1cyclictest0-21swapper/209:30:012
2646388992017,1cyclictest0-21swapper/209:15:452
2646388992017,1cyclictest0-21swapper/209:05:012
2646387992017,2cyclictest3026022-21wc11:45:011
2646387992012,3cyclictest0-21swapper/111:25:011
264638699209,6cyclictest0-21swapper/011:40:020
264638699209,6cyclictest0-21swapper/010:55:420
264638699208,7cyclictest2646384-21cyclictest10:20:510
264638699205,10cyclictest0-21swapper/011:49:170
264638699204,9cyclictest2854785-21sh09:50:220
264638699204,9cyclictest2810673-21aten2.4-expect09:20:440
264638699204,5cyclictest2795067-21diskmemload11:44:130
264638699204,11cyclictest2755151-21cut08:35:500
264638699204,11cyclictest2734172-21basename08:20:400
264638699203,8cyclictest2771984-21basename08:50:470
264638699203,7cyclictest2944262-21sh10:50:380
264638699203,7cyclictest2722370-21cat08:10:450
264638699203,7cyclictest2712458-21cut08:00:500
264638699203,3cyclictest2679495-21telnet07:35:440
264638699203,12cyclictest2967089-21df_inode11:05:460
264638699203,12cyclictest2864513-21grep09:55:480
264638699203,12cyclictest2793341-21cut09:05:520
264638699203,12cyclictest2740952-21expr08:25:450
264638699203,12cyclictest2701952-21cut07:50:520
264638699203,12cyclictest2694274-21cut07:45:490
264638699203,12cyclictest2671841-21grep07:25:510
264638699202,9cyclictest3033834-21ssh11:50:270
264638699202,9cyclictest2995424-21ssh11:23:420
264638699202,8cyclictest3004226-21ssh11:30:270
2646386992017,2cyclictest1307-21mta-sts-daemon09:30:010
2646386992010,6cyclictest2802595-21latency_hist09:15:020
3240591190,1phc2sys0-21swapper/309:47:373
29275262190,2sleep30-21swapper/310:35:573
2646387991916,2cyclictest0-21swapper/110:15:011
264638699195,6cyclictest268-21systemd-journal07:10:150
264638699194,9cyclictest2930435-21sed10:40:490
264638699194,7cyclictest2884859-21tail10:10:440
264638699194,5cyclictest2894828-21cut10:15:500
264638699194,10cyclictest2976104-21cut11:10:510
264638699194,10cyclictest2870983-21cut10:00:490
264638699193,8cyclictest2963411-21cut11:00:510
264638699193,7cyclictest3100818-21acpi12:35:430
264638699193,5cyclictest2705584-21cut07:55:500
264638699193,11cyclictest2937371-21cat10:45:440
264638699193,11cyclictest2750070-21cut08:30:500
264638699193,11cyclictest2716306-21cstates08:05:440
264638699193,11cyclictest2685879-21cstates07:40:440
264638699193,10cyclictest3046150-21cut11:56:060
264638699192,12cyclictest2847465-21ssh09:45:320
3240591181,2phc2sys0-21swapper/310:20:483
2646388991815,1cyclictest0-21swapper/211:55:522
264638799189,4cyclictest2703783-21aten_repower_cu07:55:441
2646387991815,2cyclictest3063293-21munin-plugin-st12:10:011
2646387991815,2cyclictest2977572-21kthreadcore11:10:521
2646387991815,2cyclictest0-21swapper/111:55:011
264638699185,5cyclictest2646500-21true07:10:020
264638699184,9cyclictest2803769-21cut09:15:450
264638699183,10cyclictest2728549-21cstates08:15:470
3240591170,3phc2sys0-21swapper/311:12:303
3240591170,2phc2sys0-21swapper/311:16:153
3240591170,2phc2sys0-21swapper/309:43:443
264638899172,8cyclictest0-21swapper/210:25:412
264638899171,5cyclictest0-21swapper/210:20:012
2646388991715,1cyclictest0-21swapper/208:30:022
2646388991714,1cyclictest0-21swapper/211:40:012
264638799179,3cyclictest0-21swapper/112:30:031
2646387991714,2cyclictest3009532-21mailstats11:31:101
2646387991714,2cyclictest2914567-21aten2.4-expect10:30:441
2646387991714,2cyclictest2907513-21forks10:25:451
2646387991714,2cyclictest2839653-21systemd-run09:40:021
2646387991714,2cyclictest0-21swapper/109:20:031
2646387991713,3cyclictest2723319-21kthreadcore08:10:501
3240591160,2phc2sys0-21swapper/311:30:583
264638899161,7cyclictest0-21swapper/210:20:422
264638899161,7cyclictest0-21swapper/209:40:422
2646388991613,1cyclictest0-21swapper/212:35:432
2646388991613,1cyclictest0-21swapper/211:21:262
2646388991613,1cyclictest0-21swapper/209:45:462
2646388991613,1cyclictest0-21swapper/207:40:012
2646388991611,1cyclictest0-21swapper/211:45:422
264638799168,5cyclictest1309-21mta-sts-daemon10:58:451
264638799167,3cyclictest501rcuop/211:59:501
2646387991614,1cyclictest2783175-21unin-run09:00:021
2646387991613,2cyclictest2997432-21fschecks_time11:26:021
2646387991613,2cyclictest2941846-21tr10:45:531
2646387991613,2cyclictest2852405-21grep09:45:531
2646387991613,2cyclictest2822523-21kthreadcore09:25:521
2646387991613,2cyclictest2764870-21gmain08:45:011
2646387991613,2cyclictest2679523-21aten2.4-expect07:35:441
2646387991613,2cyclictest2653899-21kthreadcore07:15:031
2646387991613,2cyclictest1300-21mta-sts-daemon07:18:231
2646387991613,2cyclictest0-21swapper/112:01:111
2646387991612,3cyclictest2671628-21kthreadcore07:25:511
2646387991612,3cyclictest0-21swapper/111:46:101
2646387991611,4cyclictest11561-21sendmail-mta08:03:141
2646387991610,5cyclictest11574-21rtkit-daemon07:54:051
264638899159,3cyclictest0-21swapper/212:30:432
2646388991513,1cyclictest0-21swapper/212:05:022
2646388991513,1cyclictest0-21swapper/210:05:022
2646388991513,1cyclictest0-21swapper/209:14:162
2646388991513,1cyclictest0-21swapper/207:50:462
2646388991512,1cyclictest0-21swapper/212:16:102
2646388991512,1cyclictest0-21swapper/212:16:102
2646388991512,1cyclictest0-21swapper/210:59:482
2646388991512,1cyclictest0-21swapper/210:50:492
2646388991512,1cyclictest0-21swapper/210:00:032
2646388991512,1cyclictest0-21swapper/209:50:292
2646388991512,1cyclictest0-21swapper/209:39:542
2646388991512,1cyclictest0-21swapper/209:20:482
2646388991512,1cyclictest0-21swapper/208:00:442
264638799159,5cyclictest1306-21mta-sts-daemon12:32:351
264638799159,2cyclictest69250irq/121-eno109:11:091
264638799158,6cyclictest1307-21mta-sts-daemon10:06:031
264638799157,3cyclictest0-21swapper/112:15:161
264638799157,3cyclictest0-21swapper/112:15:161
264638799156,3cyclictest501rcuop/212:20:301
264638799152,6cyclictest2776200-21mailstats08:50:541
2646387991512,2cyclictest2971480-21head11:05:541
2646387991512,2cyclictest2870530-21sh10:00:461
2646387991512,2cyclictest2845195-21mailstats09:40:541
2646387991512,2cyclictest2666886-21idleruntime-cro07:25:011
2646387991512,2cyclictest1306-21mta-sts-daemon09:31:511
2646387991511,3cyclictest2813548-21kthreadcore09:20:511
2646387991511,3cyclictest2676117-21kthreadcore07:30:511
3240591140,2phc2sys0-21swapper/312:39:373
3240591140,2phc2sys0-21swapper/312:15:223
3240591140,2phc2sys0-21swapper/312:15:223
3240591140,2phc2sys0-21swapper/311:08:153
3240591140,2phc2sys0-21swapper/311:01:333
3240591140,2phc2sys0-21swapper/310:09:553
3240591140,1phc2sys0-21swapper/309:38:063
264638899146,3cyclictest0-21swapper/211:00:422
264638899146,2cyclictest0-21swapper/209:05:452
264638899141,6cyclictest0-21swapper/211:40:432
264638899141,5cyclictest0-21swapper/208:55:432
2646388991412,1cyclictest0-21swapper/211:55:032
2646388991412,1cyclictest0-21swapper/208:50:012
2646388991411,2cyclictest0-21swapper/211:05:492
2646388991411,2cyclictest0-21swapper/210:09:162
2646388991411,1cyclictest0-21swapper/211:31:062
2646388991411,1cyclictest0-21swapper/211:16:092
2646388991411,1cyclictest0-21swapper/211:10:502
2646388991411,1cyclictest0-21swapper/208:40:542
2646388991411,1cyclictest0-21swapper/208:20:452
2646388991411,1cyclictest0-21swapper/207:35:012
2646388991410,2cyclictest0-21swapper/212:20:522
2646388991410,2cyclictest0-21swapper/211:27:272
2646388991410,2cyclictest0-21swapper/210:40:472
264638899140,1cyclictest0-21swapper/210:30:432
264638799149,4cyclictest1307-21mta-sts-daemon08:26:561
264638799147,5cyclictest2695349-21tr07:45:501
264638799147,4cyclictest1309-21mta-sts-daemon10:15:231
264638799146,3cyclictest0-21swapper/110:40:461
2646387991411,2cyclictest3105921-21ptp4l12:36:091
2646387991411,2cyclictest2985498-21kthreadcore11:16:111
2646387991411,2cyclictest2784645-21kthreadcore09:00:511
2646387991411,2cyclictest2754770-21kthreadcore08:35:491
2646387991411,2cyclictest2740235-21gdbus08:30:071
2646387991411,2cyclictest2717251-21kthreadcore08:05:491
2646387991411,2cyclictest2688057-21kthreadcore07:40:491
2646387991411,2cyclictest1307-21mta-sts-daemon09:54:291
2646387991411,2cyclictest0-21swapper/109:05:501
2646387991410,3cyclictest3065653-21kthreadcore12:11:051
2646387991410,3cyclictest2899035-21kworker/u16:2+nfsiod10:35:081
2646387991410,3cyclictest2767931-21kthreadcore08:45:521
264638799140,1cyclictest0-21swapper/108:20:411
264638799140,12cyclictest0-21swapper/108:15:561
3240591133,2phc2sys0-21swapper/310:54:023
3240591130,4phc2sys0-21swapper/311:55:423
3240591130,3phc2sys0-21swapper/308:55:433
3240591130,2phc2sys0-21swapper/310:47:493
3240591130,2phc2sys0-21swapper/310:15:433
3240591130,2phc2sys0-21swapper/309:30:493
3240591130,1phc2sys0-21swapper/312:34:033
28155882130,4sleep30-21swapper/309:20:553
2646388991311,1cyclictest0-21swapper/210:50:022
2646388991311,1cyclictest0-21swapper/210:35:472
2646388991311,1cyclictest0-21swapper/210:10:442
2646388991311,1cyclictest0-21swapper/208:10:022
2646388991311,1cyclictest0-21swapper/207:45:502
2646388991311,1cyclictest0-21swapper/207:25:512
2646388991311,1cyclictest0-21swapper/207:15:502
2646388991311,1cyclictest0-21swapper/207:10:432
2646388991310,1cyclictest0-21swapper/208:55:022
2646388991310,1cyclictest0-21swapper/208:19:012
2646388991310,1cyclictest0-21swapper/207:55:452
2646388991310,1cyclictest0-21swapper/207:40:492
2646388991310,1cyclictest0-21swapper/207:20:502
2646387991310,2cyclictest2951295-21latency_hist10:55:021
3240591121,2phc2sys0-21swapper/308:05:423
3240591120,2phc2sys0-21swapper/312:23:573
3240591120,2phc2sys0-21swapper/311:44:283
3240591120,2phc2sys0-21swapper/310:31:303
3240591120,2phc2sys0-21swapper/310:01:363
3240591120,2phc2sys0-21swapper/309:18:593
3240591120,2phc2sys0-21swapper/308:00:413
3240591120,2phc2sys0-21swapper/307:45:423
3240591120,2phc2sys0-21swapper/307:30:433
3240591120,1phc2sys0-21swapper/307:05:353
264638899128,2cyclictest0-21swapper/212:10:232
264638899121,6cyclictest0-21swapper/208:40:012
264638899121,5cyclictest0-21swapper/208:10:432
2646388991210,1cyclictest0-21swapper/212:25:082
2646388991210,1cyclictest0-21swapper/209:30:502
2646388991210,1cyclictest0-21swapper/208:30:442
3240591111,2phc2sys0-21swapper/308:10:433
3240591111,2phc2sys0-21swapper/307:20:503
3240591110,2phc2sys0-21swapper/312:07:573
3240591110,2phc2sys0-21swapper/311:51:503
3240591110,2phc2sys0-21swapper/311:27:013
3240591110,2phc2sys0-21swapper/310:42:083
3240591110,2phc2sys0-21swapper/307:40:403
3240591110,1phc2sys0-21swapper/309:57:153
3240591110,1phc2sys0-21swapper/308:41:523
3240591110,1phc2sys0-21swapper/307:27:273
264638799118,2cyclictest0-21swapper/107:10:021
3240591102,2phc2sys0-21swapper/309:00:513
3240591101,4phc2sys0-21swapper/310:55:423
3240591101,3phc2sys0-21swapper/307:55:023
3240591101,2phc2sys0-21swapper/311:46:053
3240591101,2phc2sys0-21swapper/311:22:283
3240591101,2phc2sys0-21swapper/309:10:573
3240591101,2phc2sys0-21swapper/308:30:463
3240591101,2phc2sys0-21swapper/308:25:453
3240591100,2phc2sys0-21swapper/312:26:013
3240591100,2phc2sys0-21swapper/311:37:153
3240591100,2phc2sys0-21swapper/310:12:103
3240591100,2phc2sys0-21swapper/309:51:383
3240591100,2phc2sys0-21swapper/309:05:443
3240591100,2phc2sys0-21swapper/307:55:523
3240591100,2phc2sys0-21swapper/307:12:403
3240591100,1phc2sys0-21swapper/308:47:053
3240591100,1phc2sys0-21swapper/308:16:033
264638899108,1cyclictest0-21swapper/207:10:022
324059191,3phc2sys0-21swapper/307:15:523
324059191,2phc2sys0-21swapper/309:25:523
324059190,2phc2sys0-21swapper/312:10:093
324059190,2phc2sys0-21swapper/312:00:033
324059190,2phc2sys0-21swapper/308:50:463
324059190,2phc2sys0-21swapper/308:35:473
324059190,2phc2sys0-21swapper/308:25:013
324059190,2phc2sys0-21swapper/307:35:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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