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2026-05-06 - 21:16
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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 Wed May 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4679916410,61cyclictest464-21systemd-journal12:03:194
322742970,2sleep749899cyclictest11:32:447
104502890,0sleep7721ktimersoftd/711:23:477
35272750,0sleep10-21swapper/109:36:331
486996845,23cyclictest0-21swapper/612:03:196
322102680,1sleep60-21swapper/607:04:476
478996766,1cyclictest15-21kswork12:03:195
204322520,11sleep685150irq/25-em1-rx-012:20:176
317232510,0sleep30-21swapper/311:57:393
317232510,0sleep30-21swapper/311:57:393
498995047,2cyclictest1-21systemd12:03:197
3237025026,9sleep70-21swapper/707:04:497
186812500,1sleep245199cyclictest11:01:002
287392490,0sleep20-21swapper/211:13:092
3251824825,8sleep10-21swapper/107:06:441
300492480,0sleep50-21swapper/511:26:505
37042470,1sleep63701-21sshd11:09:456
166852470,1sleep116684-21grep12:26:051
135242470,1sleep1241ktimersoftd/110:23:341
17602460,0sleep20-21swapper/212:29:022
122952460,0sleep10-21swapper/109:21:591
98632450,0sleep20-21swapper/211:44:412
218432450,0sleep50-21swapper/509:12:505
128992450,0sleep60-21swapper/611:46:456
276512440,0sleep60-21swapper/609:59:216
142642440,0sleep20-21swapper/209:16:162
126542440,0sleep40-21swapper/409:20:024
265392430,0sleep50-21swapper/511:59:175
265392430,0sleep50-21swapper/511:59:175
182292430,1sleep018230-21bash09:41:200
178262430,0sleep40-21swapper/410:39:314
324562420,0sleep60-21swapper/609:34:306
31742420,0sleep50-21swapper/509:50:065
207042420,0sleep233-21ksoftirqd/209:45:232
199372420,1sleep34459-21kworker/3:109:26:183
191222420,0sleep50-21swapper/509:20:275
159542420,0sleep50-21swapper/511:31:465
14852420,0sleep60-21swapper/611:38:366
451994125,1cyclictest13550irq/24-ahci[00012:03:192
296992410,0sleep00-21swapper/011:07:300
215882410,0sleep50-21swapper/509:14:425
164792410,0sleep70-21swapper/710:14:037
149552410,0sleep00-21swapper/009:39:200
87492400,1sleep58750-21grepconf.sh11:15:445
3256624027,9sleep00-21swapper/007:07:230
3248324028,8sleep20-21swapper/207:06:132
3247324027,9sleep50-21swapper/507:06:085
3238724027,9sleep40-21swapper/407:04:544
228782400,1sleep022867-21cp09:14:450
207112400,1sleep020708-21bash09:12:450
3246223928,8sleep30-21swapper/307:05:583
279862380,2sleep245199cyclictest12:20:452
274262380,0sleep10-21swapper/112:38:461
161662370,0sleep70-21swapper/712:26:037
435993434,0cyclictest19835-21kworker/0:212:03:190
443993230,1cyclictest15-21kswork12:03:191
257282300,0sleep20-21swapper/211:59:142
257282300,0sleep20-21swapper/211:59:142
486992612,3cyclictest65-21ksoftirqd/611:40:026
45999250,24cyclictest2686-21kworker/u16:312:03:183
48699227,6cyclictest65-21ksoftirqd/609:26:546
486992210,1cyclictest65-21ksoftirqd/611:15:386
43599220,7cyclictest0-21swapper/010:22:220
285302220,0sleep50-21swapper/511:51:255
48699217,1cyclictest65-21ksoftirqd/610:00:566
43599210,6cyclictest25594-21bash12:24:430
220642210,0sleep10-21swapper/111:49:121
48699209,1cyclictest65-21ksoftirqd/610:29:026
48699208,9cyclictest65-21ksoftirqd/610:05:586
48699207,1cyclictest65-21ksoftirqd/609:47:176
48699205,2cyclictest65-21ksoftirqd/612:38:296
486992016,3cyclictest65-21ksoftirqd/611:03:126
486992011,2cyclictest65-21ksoftirqd/610:58:006
486992011,2cyclictest65-21ksoftirqd/610:58:006
43599203,2cyclictest18623-21bash12:22:160
43599202,1cyclictest0-21swapper/011:56:030
43599202,1cyclictest0-21swapper/011:56:030
43599200,6cyclictest7495-21sshd09:27:290
43599200,5cyclictest6197-21bash11:04:140
228322200,0sleep40-21swapper/411:34:104
48699197,1cyclictest65-21ksoftirqd/611:19:456
486991912,4cyclictest65-21ksoftirqd/609:10:206
486991911,5cyclictest65-21ksoftirqd/611:54:486
486991911,5cyclictest65-21ksoftirqd/611:54:486
43599196,1cyclictest9-21ksoftirqd/011:43:590
435991910,2cyclictest9-21ksoftirqd/011:19:310
43599190,7cyclictest16562-21systemd-cgroups10:49:130
43599190,4cyclictest9-21ksoftirqd/010:04:460
256802190,0sleep30-21swapper/310:30:013
16462190,0sleep10-21swapper/111:40:231
48699187,1cyclictest65-21ksoftirqd/611:32:086
48699184,1cyclictest65-21ksoftirqd/612:07:126
486991814,1cyclictest65-21ksoftirqd/609:44:266
486991812,5cyclictest65-21ksoftirqd/611:29:136
48699181,1cyclictest131rcu_sched10:34:316
467991812,3cyclictest49-21ksoftirqd/410:16:254
46799181,2cyclictest49-21ksoftirqd/410:36:444
43599186,2cyclictest9-21ksoftirqd/009:59:270
43599185,3cyclictest9-21ksoftirqd/011:12:110
43599184,1cyclictest12489-21grep12:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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