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2026-09-07 - 00:10
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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 Sun Sep 06, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1487621130,2sleep30-21swapper/309:49:463
2012321000,1sleep22024-21nfsd07:55:132
57402980,2sleep10-21swapper/109:15:341
3103029732,44sleep30-21swapper/307:06:443
90482960,2sleep19047-21bash10:36:321
3126929632,43sleep10-21swapper/107:09:331
208932920,2sleep00-21swapper/009:42:410
199402920,1sleep30-21swapper/309:24:133
46292890,2sleep20-21swapper/210:21:282
302212880,4sleep20-21swapper/209:51:252
10242880,4sleep33155799cyclictest11:19:393
135622870,1sleep00-21swapper/010:47:530
288182860,2sleep20-21swapper/211:30:122
130182860,1sleep00-21swapper/012:19:470
71412830,3sleep30-21swapper/311:05:323
194462820,3sleep03154399cyclictest09:46:180
75782810,2sleep12024-21nfsd12:22:401
267402800,2sleep126739-21sshd11:52:101
212452800,0sleep00-21swapper/012:13:220
132472800,5sleep33155799cyclictest10:03:563
111942800,0sleep111195-21latency_hist10:15:001
175362790,3sleep317535-21bash11:39:583
95722780,1sleep00-21swapper/012:08:290
308632780,1sleep30-21swapper/312:03:353
118982780,76sleep228950irq/26-ahci[00011:46:592
246142770,2sleep124610-21cp09:50:441
6922750,2sleep30-21swapper/311:23:203
224652750,2sleep10-21swapper/111:07:191
200702750,1sleep30-21swapper/310:34:183
116222750,1sleep20-21swapper/212:05:022
210002740,1sleep20-21swapper/212:38:442
155252730,2sleep20-21swapper/210:04:112
15182730,2sleep11517-21sshd12:25:331
241752710,2sleep20-21swapper/209:39:152
164742700,2sleep10-21swapper/108:59:071
139492700,1sleep00-21swapper/010:30:060
94392690,3sleep03154399cyclictest11:05:500
287362630,2sleep10-21swapper/112:10:301
3099725832,23sleep00-21swapper/007:06:160
3100425633,10sleep20-21swapper/207:06:222
206952540,0sleep320696-21sshd11:32:523
222432470,0sleep222244-21sshd09:57:542
146372420,2sleep10-21swapper/112:05:171
215712350,0sleep221572-21bash09:13:452
191912340,2sleep20-21swapper/209:34:542
129772340,1sleep012975-21bash10:22:290
295082330,1sleep029506-21id10:35:160
272282330,31sleep3144650irq/27-eth012:28:323
243602320,3sleep10-21swapper/110:01:341
243932310,0sleep224392-21sshd11:07:312
220472300,4sleep022049-21aten_r5power_fr11:00:120
194722270,2sleep219464-21sshd11:55:042
159722270,4sleep23155299cyclictest11:28:362
259792260,23sleep3144650irq/27-eth009:43:223
80062250,2sleep28004-21bash12:19:122
23662250,2sleep10-21swapper/110:42:531
231572250,3sleep03154399cyclictest11:18:240
131462250,23sleep228950irq/26-ahci[00009:26:582
97292241,21sleep1144650irq/27-eth010:07:161
21982240,2sleep20-21swapper/211:41:572
235482230,2sleep20-21swapper/210:27:242
70292221,19sleep1144650irq/27-eth009:29:531
3155299224,2cyclictest0-21swapper/210:41:352
285972222,18sleep3144650irq/27-eth009:18:093
271132220,19sleep328950irq/26-ahci[00010:53:223
23662220,2sleep12512-21runrttasks10:17:291
155832220,1sleep32512-21runrttasks11:28:323
210692210,19sleep1144650irq/27-eth011:29:161
110892210,19sleep3144650irq/27-eth011:13:113
180522200,1sleep10-21swapper/109:00:191
140672200,2sleep214057-21sshd11:50:442
49292190,1sleep30-21swapper/310:39:433
3154899197,1cyclictest0-21swapper/108:10:011
3154899193,8cyclictest0-21swapper/109:57:211
3154899192,3cyclictest2132-21sshd10:30:131
3154899190,10cyclictest0-21swapper/110:45:121
84802180,1sleep10-21swapper/112:19:161
3155799180,6cyclictest0-21swapper/312:35:483
3155299184,9cyclictest1954-40kipmi010:55:162
3155299183,11cyclictest2024-21nfsd11:10:442
3155299180,11cyclictest369-21cp10:39:132
3155299180,11cyclictest32174-21bash11:23:132
3154899183,1cyclictest12647-21sshd09:34:071
3154899180,11cyclictest6260-21sshd11:34:551
197382180,3sleep319733-21bash11:03:273
196102180,16sleep1144650irq/27-eth009:24:111
123392180,3sleep33155799cyclictest10:40:243
78492171,15sleep3144650irq/27-eth012:22:433
3155799171,9cyclictest13069-21sshd09:56:533
3155799170,11cyclictest17024-21sshd12:09:213
3155299173,7cyclictest0-21swapper/208:22:252
3155299172,7cyclictest0-21swapper/210:46:262
3155299172,14cyclictest0-21swapper/207:47:062
3155299172,14cyclictest0-21swapper/207:47:052
31552991713,3cyclictest32611-21bash10:13:482
3154899177,3cyclictest22398-21sshd09:13:521
3154899172,14cyclictest0-21swapper/109:41:221
3154899172,0cyclictest0-21swapper/112:01:341
3154899171,8cyclictest0-21swapper/111:00:111
3154899171,4cyclictest11851-21sshd11:46:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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