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2026-09-09 - 11:36
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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 Sep 09, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231221380,3sleep01769499cyclictest00:02:470
1132321320,1sleep211307-21sshd22:55:132
2385721300,5sleep11769799cyclictest21:29:441
1640521280,5sleep31769999cyclictest22:04:123
525021210,3sleep30-21swapper/322:50:303
1899221190,2sleep10-21swapper/122:41:171
17223210532,43sleep30-21swapper/319:07:193
1743528832,44sleep10-21swapper/119:09:581
96612870,2sleep39612-21sshd21:24:373
201982870,2sleep30-21swapper/322:56:113
165762860,1sleep21769899cyclictest22:48:192
235422850,3sleep30-21swapper/323:50:373
190472840,2sleep119042-21cp21:21:391
147592840,2sleep32512-21runrttasks21:46:293
28442830,2sleep20-21swapper/223:12:082
322912820,2sleep132293-21nfsd421:55:211
271862820,3sleep20-21swapper/221:51:172
307582810,2sleep30-21swapper/323:40:343
188902810,1sleep20-21swapper/221:14:422
63932800,2sleep10-21swapper/121:31:121
29452800,1sleep32944-21sshd22:36:023
209452800,2sleep320948-21unixbench-2d20:25:223
101672800,1sleep30-21swapper/300:29:203
72322790,2sleep30-21swapper/323:16:253
151572790,2sleep315155-21sshd23:46:113
142682780,0sleep00-21swapper/023:49:450
316132770,1sleep331606-21sshd23:00:553
137322760,1sleep20-21swapper/223:24:182
9302740,1sleep10-21swapper/123:44:451
132632740,2sleep20-21swapper/200:11:112
298122700,2sleep31769999cyclictest23:08:043
101792700,2sleep110180-21sshd23:27:331
6312690,2sleep30-21swapper/323:55:253
102142690,0sleep00-21swapper/000:14:450
292382630,1sleep10-21swapper/123:11:271
1709125632,12sleep20-21swapper/219:05:462
1719025532,11sleep00-21swapper/019:06:520
8822430,2sleep3880-21sshd00:02:393
43832380,0sleep14384-21bash22:36:121
14952380,4sleep31769999cyclictest22:24:493
321242320,2sleep10-21swapper/100:24:211
187952310,2sleep20-21swapper/221:46:562
321882300,28sleep3144650irq/27-eth022:28:343
291262280,2sleep10-21swapper/100:09:301
21722270,0sleep00-21swapper/023:15:510
204812270,25sleep1144650irq/27-eth021:47:071
1769999260,24cyclictest4578-21rm21:55:503
136022260,2sleep20-21swapper/200:36:482
310202250,3sleep30-21swapper/323:33:283
194122250,3sleep10-21swapper/123:21:161
74722240,3sleep20-21swapper/223:59:532
304822240,1sleep00-21swapper/022:53:340
217152240,21sleep3144650irq/27-eth000:08:403
1769499243,19cyclictest0-21swapper/022:12:180
96122230,3sleep10-21swapper/122:21:421
75212230,1sleep20-21swapper/221:56:102
56262230,4sleep11769799cyclictest19:55:001
39432230,1sleep20-21swapper/222:43:142
282302220,1sleep20-21swapper/221:37:052
1769499220,11cyclictest0-21swapper/021:14:460
73152210,19sleep228950irq/26-ahci[00023:01:522
17698992116,4cyclictest0-21swapper/222:16:332
1769499218,12cyclictest0-21swapper/023:24:170
1769499218,12cyclictest0-21swapper/021:55:190
1769499217,4cyclictest0-21swapper/000:05:240
1769499217,12cyclictest0-21swapper/023:02:260
150892210,18sleep2144650irq/27-eth000:33:282
270532200,18sleep1144650irq/27-eth023:18:411
1769499209,8cyclictest0-21swapper/021:22:350
1769499208,4cyclictest13884-21sshd23:53:160
1769499208,11cyclictest15409-21sshd21:32:130
1769499208,11cyclictest0-21swapper/021:28:150
1769499200,19cyclictest14804-21sshd21:17:390
1769499200,11cyclictest0-21swapper/022:55:520
172802200,2sleep117276-21sshd22:04:181
129742200,0sleep00-21swapper/022:03:490
102532200,18sleep1144650irq/27-eth023:49:191
29282190,2sleep20-21swapper/223:05:112
263342190,7sleep20-21swapper/223:32:562
1769899192,6cyclictest11618-21sshd00:07:312
1769799197,4cyclictest16754-21munin-node21:50:151
17697991912,5cyclictest6959-21bash21:16:461
1769499198,6cyclictest0-21swapper/000:25:120
1769499196,11cyclictest12821-21sshd21:35:210
1769499193,5cyclictest21102-21bash23:36:000
1769499193,15cyclictest0-21swapper/000:38:570
1769499191,7cyclictest0-21swapper/000:20:130
1769499191,17cyclictest20608-21sshd22:27:010
1769499191,10cyclictest0-21swapper/022:22:290
1769499190,4cyclictest6360-21sshd21:49:090
1769499190,18cyclictest20181-21ntp_states00:30:200
1769499190,18cyclictest0-21swapper/022:32:010
1769499190,16cyclictest0-21swapper/023:42:560
1769499190,12cyclictest0-21swapper/021:41:500
117522190,1sleep10-21swapper/120:05:211
61842180,16sleep3144650irq/27-eth021:38:253
60842180,16sleep1144650irq/27-eth022:29:201
324482180,2sleep20-21swapper/223:26:192
1769999180,16cyclictest26709-21bash21:30:013
1769999180,13cyclictest24081-21sshd21:11:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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