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2026-08-14 - 00:50
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Thu Aug 13, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95142940,0sleep30-21swapper/312:28:353
67482890,0sleep00-21swapper/012:32:010
284102890,0sleep1241ktimersoftd/111:00:471
284102890,0sleep1241ktimersoftd/111:00:471
235692880,0sleep7711rcuc/710:42:197
29982840,0sleep20-21swapper/209:17:482
135662810,0sleep40-21swapper/411:48:564
135662810,0sleep40-21swapper/411:48:564
130652710,1sleep112457-21sshd11:14:251
32942700,0sleep10-21swapper/109:19:401
273342700,0sleep10-21swapper/110:18:581
1931026049,8sleep30-21swapper/307:03:303
319872540,0sleep30-21swapper/309:21:103
1917025127,8sleep60-21swapper/607:01:326
151272510,0sleep50-21swapper/512:30:465
1944825026,8sleep00-21swapper/007:05:270
160962490,1sleep516098-21bash09:20:245
317542480,0sleep631732-21sshd10:30:096
308072480,0sleep60-21swapper/610:55:326
11172480,0sleep60-21swapper/611:40:576
33292470,0sleep70-21swapper/709:41:167
1928024735,9sleep40-21swapper/407:03:074
46082460,0sleep70-21swapper/712:21:027
34762460,2sleep41964299cyclictest11:31:584
165752460,0sleep60-21swapper/611:47:146
165752460,0sleep60-21swapper/611:47:146
94092450,2sleep51965199cyclictest10:50:425
54192450,0sleep50-21swapper/510:55:555
1944424534,8sleep50-21swapper/507:05:245
126622450,1sleep712660-21bash10:12:407
150202440,2sleep01960999cyclictest11:14:320
130602440,0sleep60-21swapper/612:32:236
82472430,0sleep50-21swapper/512:33:585
53842430,2sleep41964299cyclictest12:04:504
244022430,0sleep60-21swapper/612:04:046
242782430,0sleep50-21swapper/511:29:355
220582430,0sleep20-21swapper/211:42:052
166432430,0sleep3401ktimersoftd/309:27:343
62432420,0sleep00-21swapper/010:57:420
28752420,0sleep50-21swapper/511:57:225
28752420,0sleep50-21swapper/511:57:225
256402420,1sleep125630-21sshd11:31:231
229472420,0sleep50-21swapper/512:16:365
1915824230,9sleep70-21swapper/707:01:257
51242410,0sleep70-21swapper/711:44:507
307652410,0sleep30-21swapper/312:31:323
28602410,0sleep20-21swapper/211:31:562
201722410,0sleep20-21swapper/210:09:302
171102410,1sleep417111-21sshd09:15:024
66652400,0sleep70-21swapper/709:30:437
214832400,0sleep40-21swapper/410:24:064
79042390,0sleep00-21swapper/009:39:490
290462390,0sleep40-21swapper/410:33:354
1938523928,8sleep20-21swapper/207:04:332
7722380,0sleep50-21swapper/508:25:465
1924123827,8sleep10-21swapper/107:02:321
131112380,0sleep50-21swapper/512:10:435
104262380,1sleep710427-21grepconf.sh11:59:407
104262380,1sleep710427-21grepconf.sh11:59:407
201012320,0sleep70-21swapper/711:31:057
281772280,0sleep00-21swapper/011:06:070
281772280,0sleep00-21swapper/011:06:070
111412270,0sleep70-21swapper/712:34:087
1964299247,3cyclictest49-21ksoftirqd/410:06:344
1964299204,1cyclictest49-21ksoftirqd/409:46:184
19642992017,2cyclictest49-21ksoftirqd/410:05:174
19642992017,1cyclictest49-21ksoftirqd/412:20:044
1961699206,3cyclictest25-21ksoftirqd/111:36:551
1961699203,1cyclictest25-21ksoftirqd/110:38:221
19616992018,1cyclictest25-21ksoftirqd/110:41:001
19616992010,3cyclictest25-21ksoftirqd/111:41:051
19651991917,1cyclictest57-21ksoftirqd/509:50:575
19651991917,1cyclictest57-21ksoftirqd/509:12:375
1964299194,3cyclictest49-21ksoftirqd/411:00:004
1964299194,3cyclictest49-21ksoftirqd/409:23:174
1964299192,3cyclictest49-21ksoftirqd/411:21:484
1964299192,3cyclictest49-21ksoftirqd/411:19:224
19642991916,2cyclictest49-21ksoftirqd/411:52:574
19642991916,1cyclictest49-21ksoftirqd/411:56:084
19642991916,1cyclictest49-21ksoftirqd/411:56:084
19642991915,1cyclictest49-21ksoftirqd/410:46:004
1961699194,2cyclictest25-21ksoftirqd/109:49:111
19616991914,3cyclictest25-21ksoftirqd/112:22:131
1964299186,3cyclictest49-21ksoftirqd/411:28:374
1964299184,3cyclictest49-21ksoftirqd/410:10:594
19642991816,1cyclictest49-21ksoftirqd/409:54:144
19642991816,1cyclictest49-21ksoftirqd/409:34:214
19642991815,3cyclictest49-21ksoftirqd/410:37:224
19642991813,3cyclictest49-21ksoftirqd/411:06:534
19642991813,3cyclictest49-21ksoftirqd/411:06:534
1964299181,3cyclictest49-21ksoftirqd/409:41:064
1964299181,1cyclictest49-21ksoftirqd/412:21:084
1964299181,1cyclictest49-21ksoftirqd/411:02:514
1964299181,1cyclictest49-21ksoftirqd/411:02:514
1961699188,3cyclictest25-21ksoftirqd/111:16:241
1961699187,3cyclictest25-21ksoftirqd/112:26:401
1961699187,3cyclictest25-21ksoftirqd/112:18:281
1961699185,1cyclictest25-21ksoftirqd/112:02:301
19616991816,1cyclictest25-21ksoftirqd/112:31:111
19616991814,1cyclictest25-21ksoftirqd/111:25:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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