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2026-04-06 - 20:24
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Mon Apr 06, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911000,4ptp4l401ktimersoftd/308:08:513
1068911000,4ptp4l401ktimersoftd/308:08:513
256202890,3sleep341-21ksoftirqd/309:08:423
106891690,1ptp4l401ktimersoftd/313:09:493
55582610,2sleep20-21swapper/213:10:502
61062560,2sleep00-21swapper/008:28:400
30711995650,3cyclictest41-21ksoftirqd/311:28:563
30697995612,22cyclictest1011-21missed_timers08:18:410
54532550,3sleep23070799cyclictest10:26:412
3069799550,35cyclictest24258-21diskmemload12:26:460
30711995246,3cyclictest41-21ksoftirqd/311:08:573
143291520,1getstats0-21swapper/312:01:253
30711995144,4cyclictest41-21ksoftirqd/309:53:533
303162514,36sleep10-21swapper/108:10:011
303162514,36sleep10-21swapper/108:10:011
30711995044,3cyclictest41-21ksoftirqd/313:19:003
30701995031,9cyclictest24258-21diskmemload12:59:001
30711994943,3cyclictest41-21ksoftirqd/309:38:523
30711994842,3cyclictest41-21ksoftirqd/309:23:533
30711994741,3cyclictest41-21ksoftirqd/310:08:553
30711994741,3cyclictest41-21ksoftirqd/308:28:523
106891470,1ptp4l401ktimersoftd/310:32:373
30711994640,3cyclictest41-21ksoftirqd/311:18:573
30711994640,3cyclictest41-21ksoftirqd/309:08:533
30711994539,3cyclictest41-21ksoftirqd/309:58:553
30711994539,3cyclictest41-21ksoftirqd/309:58:553
30711994539,3cyclictest41-21ksoftirqd/308:58:453
30711994516,4cyclictest41-21ksoftirqd/313:03:463
30711994414,7cyclictest41-21ksoftirqd/313:43:473
106891440,1ptp4l401ktimersoftd/311:48:133
30711994337,3cyclictest41-21ksoftirqd/313:03:583
30697994120,18cyclictest9-21ksoftirqd/009:04:570
30697994114,24cyclictest14700-21tail08:44:010
30711994023,4cyclictest41-21ksoftirqd/312:38:463
30711994023,13cyclictest41-21ksoftirqd/312:13:453
3069799400,2cyclictest0-21swapper/009:23:520
106891400,1ptp4l401ktimersoftd/312:17:363
106891400,1ptp4l401ktimersoftd/311:04:203
3069799392,32cyclictest0-21swapper/011:03:560
30697993911,24cyclictest26234-21irqrtprio12:59:060
30697993911,24cyclictest22509-21sh11:49:080
30697993911,24cyclictest22509-21sh11:49:080
106891390,1ptp4l401ktimersoftd/312:48:363
106891390,1ptp4l401ktimersoftd/312:42:223
106891390,1ptp4l401ktimersoftd/308:23:543
30711993827,3cyclictest41-21ksoftirqd/310:34:063
30707993832,3cyclictest33-21ksoftirqd/213:24:002
3070799380,15cyclictest30688-21cyclictest11:44:002
3069799382,5cyclictest0-21swapper/013:03:580
3069799382,4cyclictest0-21swapper/008:53:520
3069799381,5cyclictest0-21swapper/013:13:590
30697993812,22cyclictest30656-21expr09:18:540
30697993812,22cyclictest27816-21sh13:34:040
3069799380,35cyclictest24258-21diskmemload13:31:400
3069799380,35cyclictest24258-21diskmemload13:31:400
3038023818,9sleep20-21swapper/208:10:512
3038023818,9sleep20-21swapper/208:10:512
106891380,1ptp4l401ktimersoftd/313:16:153
106891380,1ptp4l401ktimersoftd/312:56:113
106891380,1ptp4l401ktimersoftd/311:55:193
106891380,1ptp4l401ktimersoftd/311:51:003
106891380,1ptp4l401ktimersoftd/311:51:003
106891380,1ptp4l401ktimersoftd/311:38:583
106891380,1ptp4l401ktimersoftd/311:38:583
106891380,1ptp4l401ktimersoftd/310:58:023
106891380,1ptp4l401ktimersoftd/310:48:593
106891380,1ptp4l401ktimersoftd/310:19:173
30711993730,3cyclictest41-21ksoftirqd/310:58:563
3071199372,9cyclictest41-21ksoftirqd/310:43:553
30711993729,4cyclictest41-21ksoftirqd/309:48:543
30711993723,10cyclictest41-21ksoftirqd/311:14:003
3069799373,5cyclictest0-21swapper/010:43:520
3069799372,6cyclictest26996-21apt-get10:48:550
3069799372,4cyclictest0-21swapper/012:08:560
3069799372,4cyclictest0-21swapper/008:13:510
3069799372,10cyclictest17121-21apt-get10:38:550
3069799371,32cyclictest0-21swapper/011:33:560
30697993711,23cyclictest24258-21diskmemload12:06:580
30697993711,22cyclictest26233-21if_enp1s009:08:590
30697993711,22cyclictest24258-21diskmemload12:44:020
30697993710,24cyclictest20493-21ptp4l11:14:060
106891370,1ptp4l401ktimersoftd/313:34:323
106891370,1ptp4l401ktimersoftd/313:33:203
106891370,1ptp4l401ktimersoftd/313:33:203
106891370,1ptp4l401ktimersoftd/313:23:593
106891370,1ptp4l401ktimersoftd/312:29:513
106891370,1ptp4l401ktimersoftd/312:27:593
106891370,1ptp4l401ktimersoftd/312:18:493
106891370,1ptp4l401ktimersoftd/311:37:413
106891370,1ptp4l401ktimersoftd/311:24:533
106891370,0ptp4l401ktimersoftd/312:49:543
30711993616,3cyclictest41-21ksoftirqd/308:13:563
3069799369,24cyclictest464-21latency_hist12:33:460
3069799369,23cyclictest9184-21timerandwakeup09:39:080
3069799363,5cyclictest0-21swapper/009:43:530
3069799362,4cyclictest0-21swapper/010:53:550
30697993612,21cyclictest24258-21diskmemload11:24:170
30697993611,22cyclictest69112chrt12:39:040
30697993611,22cyclictest24258-21diskmemload13:38:560
30697993610,23cyclictest17005-21irqrtprio11:44:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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