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2025-11-22 - 20:38
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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 Sat Nov 22, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018221410,2sleep0170799cyclictest09:50:230
389321300,4sleep3171699cyclictest09:31:303
2951121300,2sleep11333-21kworker/1:012:01:191
2436821270,3sleep2171599cyclictest12:32:462
73621220,4sleep3171699cyclictest09:55:113
3230321220,2sleep30-21swapper/312:30:223
3154721190,2sleep20-21swapper/210:25:052
2566621190,4sleep2171599cyclictest11:40:402
2566621190,4sleep2171599cyclictest11:40:402
1214210633,44sleep30-21swapper/307:07:233
3004921050,1sleep3171699cyclictest11:07:543
181521040,1sleep02087-21munin-node09:41:220
1187721000,0sleep00-21swapper/009:21:500
100422970,2sleep110035-21bash10:32:571
171242920,1sleep10-21swapper/110:13:211
205482900,2sleep20-21swapper/211:36:542
271142890,2sleep21848-21nfsd10:54:142
233022890,2sleep21847-21nfsd10:10:372
63942880,0sleep00-21swapper/011:08:510
312132880,5sleep2171599cyclictest09:48:012
273932860,0sleep227370-21sshd11:07:362
188122860,2sleep118810-21sshd12:13:441
153922860,5sleep20-21swapper/212:00:002
114832860,3sleep10-21swapper/112:37:501
163002850,1sleep30-21swapper/309:50:023
109102850,2sleep30-21swapper/312:12:553
87852840,1sleep01848-21nfsd10:45:380
80812840,2sleep28065-21sshd11:19:042
205202840,2sleep320519-21id10:50:153
35472820,2sleep30-21swapper/310:55:073
266122820,0sleep026610-21bash09:47:260
231612820,2sleep30-21swapper/311:37:123
141028234,43sleep10-21swapper/107:09:451
249932800,1sleep20-21swapper/212:39:062
72152790,1sleep37216-21bash12:24:583
60072790,2sleep11847-21nfsd10:02:101
252452750,0sleep00-21swapper/011:50:400
276022740,1sleep10-21swapper/110:37:531
133227434,11sleep20-21swapper/207:08:502
76852690,3sleep3171699cyclictest10:25:493
187282680,1sleep20-21swapper/212:19:562
278412650,2sleep127833-21sshd12:17:381
113826233,13sleep00-21swapper/007:06:280
274952580,4sleep2171599cyclictest09:54:392
281412560,2sleep10-21swapper/111:57:531
227002450,2sleep1171299cyclictest10:07:071
72322400,37sleep1135650irq/27-eth010:52:091
216192400,0sleep00-21swapper/011:17:040
190852400,2sleep30-21swapper/311:23:333
166922380,0sleep316693-21sshd12:38:193
271322350,32sleep2135650irq/27-eth012:01:052
244032350,2sleep20-21swapper/209:33:392
115502340,31sleep3135650irq/27-eth010:02:463
1712993025,3cyclictest15443-21sshd12:25:351
84502280,2sleep28452-21id10:45:362
32132280,5sleep30-21swapper/310:32:143
171699280,25cyclictest15241-21basename07:40:003
171699280,25cyclictest15241-21basename07:40:003
251302270,2sleep225129-21sshd11:34:102
251302270,2sleep225129-21sshd11:34:092
228842270,2sleep10-21swapper/109:54:091
186822270,3sleep218661-21sshd11:20:152
179682270,2sleep0170799cyclictest12:25:510
1707992711,8cyclictest32270-21bash11:38:090
75952260,1sleep010-21rcuc/011:02:050
304302251,22sleep3135650irq/27-eth009:37:373
1715992522,1cyclictest0-21swapper/210:40:262
52892240,0sleep041ktimersoftd/012:37:120
322262240,2sleep20-21swapper/209:23:562
238632240,22sleep3144550irq/28-eth1-rx-09:09:433
171599242,7cyclictest19073-21sshd12:10:302
171299240,22cyclictest27300-21bash11:04:121
171299240,21cyclictest406-21sshd12:30:241
288012230,2sleep2417-21jbd2/dm-0-809:57:542
171299236,9cyclictest135650irq/27-eth011:20:271
1712992313,2cyclictest10950irq/23-ehci_hcd11:14:581
171299230,4cyclictest1847-21nfsd10:45:581
130592230,3sleep10-21swapper/110:26:231
112642230,21sleep2135650irq/27-eth010:16:032
99012220,5sleep10-21swapper/109:45:311
273602220,20sleep1135650irq/27-eth011:37:391
171699228,2cyclictest4174-21sshd11:48:363
171699220,9cyclictest0-21swapper/310:45:213
171599221,12cyclictest12446-21id12:28:292
1712992213,3cyclictest10950irq/23-ehci_hcd10:20:191
1712992213,2cyclictest1848-21nfsd10:15:571
170799220,14cyclictest0-21swapper/010:37:130
38342210,2sleep3171699cyclictest10:22:083
179392210,0sleep317938-21bash09:12:323
171699219,6cyclictest135650irq/27-eth010:37:183
171699218,2cyclictest29892-21id11:17:573
1716992115,5cyclictest1162-21sshd10:41:393
171599214,8cyclictest26384-21sshd10:37:472
171599211,8cyclictest1848-21nfsd12:22:372
171299211,6cyclictest8984-21users11:05:271
1712992112,3cyclictest10950irq/23-ehci_hcd11:44:531
1712992112,3cyclictest10950irq/23-ehci_hcd11:44:531
170932210,19sleep1135650irq/27-eth011:46:411
170799214,4cyclictest23118-21cp10:43:570
129952210,3sleep10-21swapper/108:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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