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2026-07-22 - 19:54
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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 rack5slot0.osadl.org (updated Wed Jul 22, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
573321490,1sleep00-21swapper/009:47:250
3188221360,1sleep131881-21sshd10:59:451
933621310,0sleep39335-21id12:31:243
1575621310,1sleep30-21swapper/310:02:353
303621240,3sleep12024-21nfsd12:01:411
10154210632,54sleep30-21swapper/307:08:423
223021040,2sleep22221-21sshd11:41:132
1048321010,2sleep20-21swapper/211:33:122
8221210033,55sleep10-21swapper/107:05:081
288212980,1sleep028808-21sshd12:24:320
158672940,1sleep015854-21sshd10:43:170
268332900,2sleep326815-21sshd12:27:163
217992860,0sleep321797-21sshd10:17:383
111292860,3sleep21051799cyclictest11:09:432
32932850,2sleep30-21swapper/309:50:053
238522840,4sleep21051799cyclictest12:00:362
135732840,1sleep01051599cyclictest12:25:560
90422830,1sleep30-21swapper/310:57:343
302432830,1sleep030239-21sshd09:43:530
21752820,1sleep32177-21munin-node11:20:223
77922810,1sleep20-21swapper/212:37:042
274672810,2sleep327452-21sshd09:32:183
225302810,2sleep30-21swapper/312:38:263
123602810,0sleep00-21swapper/011:39:180
6922800,0sleep00-21swapper/011:29:260
32862800,1sleep03283-21bash11:00:040
32862800,1sleep03283-21bash11:00:030
300652800,2sleep20-21swapper/211:22:542
24222790,2sleep12424-21sshd10:24:581
53422780,1sleep12024-21nfsd09:21:461
119402780,2sleep111930-21sshd11:53:461
121992760,2sleep312197-21sshd10:51:443
319782740,4sleep31051899cyclictest11:35:133
262362740,2sleep226229-21sshd10:41:182
231112740,2sleep10-21swapper/110:32:231
94522730,2sleep39449-21sshd12:22:473
41012710,4sleep21051799cyclictest12:30:552
129002710,2sleep10-21swapper/110:05:181
150652700,3sleep21051799cyclictest11:51:082
212422690,0sleep00-21swapper/010:20:320
203222670,2sleep10-21swapper/111:31:061
63142640,2sleep10-21swapper/110:04:461
993825833,13sleep00-21swapper/007:06:110
1008425432,10sleep20-21swapper/207:07:492
30692380,2sleep13065-21sshd10:18:561
69912360,2sleep10-21swapper/109:59:011
115342330,0sleep211535-21sshd09:45:072
227492301,26sleep2144650irq/27-eth009:31:542
310232290,2sleep20-21swapper/212:07:072
310612280,2sleep30-21swapper/311:08:323
214422280,3sleep20-21swapper/211:48:502
10516992810,10cyclictest17021-21sshd12:11:411
28602270,2sleep32856-21sshd12:16:133
48522250,23sleep2144650irq/27-eth012:16:252
177302252,21sleep228950irq/26-ahci[00011:10:162
127482250,2sleep20-21swapper/209:39:342
1051699251,10cyclictest144650irq/27-eth010:54:521
1051699250,23cyclictest0-21swapper/111:02:251
1051699250,23cyclictest0-21swapper/111:02:251
1051699250,12cyclictest11315-21bash12:22:571
96712240,21sleep2144650irq/27-eth011:59:302
252852240,2sleep20-21swapper/209:57:452
156662240,22sleep128950irq/26-ahci[00011:07:031
1051699242,20cyclictest2132-21sshd12:16:541
1051699242,0cyclictest0-21swapper/109:16:331
1051699241,9cyclictest144650irq/27-eth009:43:521
1051699241,0cyclictest0-21swapper/112:38:241
1051699240,3cyclictest0-21swapper/109:51:301
1051699240,2cyclictest0-21swapper/110:13:541
1051699240,22cyclictest0-21swapper/110:38:351
1051699240,16cyclictest0-21swapper/111:14:481
1051699240,12cyclictest0-21swapper/109:27:291
1051799230,10cyclictest0-21swapper/210:49:592
1051699238,13cyclictest2023-21nfsd09:11:461
1051699232,0cyclictest0-21swapper/110:26:261
1051699231,12cyclictest144650irq/27-eth010:42:021
1051699230,3cyclictest0-21swapper/112:30:141
1051699230,3cyclictest0-21swapper/112:06:191
1051699230,2cyclictest0-21swapper/111:45:001
1051699230,21cyclictest0-21swapper/109:31:001
1051699230,13cyclictest0-21swapper/112:25:411
1051699230,11cyclictest0-21swapper/111:21:271
1051699230,10cyclictest0-21swapper/110:47:581
1051699230,10cyclictest0-21swapper/109:47:061
1051599230,1cyclictest2024-21nfsd11:08:590
188042220,0sleep00-21swapper/010:31:580
1051699227,13cyclictest29189-21sshd09:35:161
1051699222,9cyclictest144650irq/27-eth011:45:431
1051699222,0cyclictest0-21swapper/107:50:161
1051699221,10cyclictest144650irq/27-eth011:15:091
1051699220,3cyclictest0-21swapper/108:00:191
1051699220,20cyclictest0-21swapper/111:26:121
1051699220,11cyclictest0-21swapper/111:56:471
1051699220,11cyclictest0-21swapper/111:35:571
1051599220,17cyclictest6050-21sshd11:23:380
97272210,19sleep2144650irq/27-eth012:28:402
54932210,1sleep041ktimersoftd/011:41:310
1051799213,10cyclictest4563-21sshd12:13:312
1051699211,6cyclictest144650irq/27-eth007:22:261
1051699210,3cyclictest0-21swapper/108:53:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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