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2026-06-28 - 02:42
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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 Sun Jun 28, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13862750,2sleep41546799cyclictest21:51:064
55972740,2sleep61548099cyclictest22:47:156
325042700,0sleep50-21swapper/523:02:285
55652670,0sleep70-21swapper/721:18:417
65432580,0sleep10-21swapper/121:43:341
151432580,1sleep1464-21systemd-journal23:28:431
66262570,1sleep56566-21sshd00:14:125
1521425635,8sleep60-21swapper/619:06:296
67812540,0sleep00-21swapper/000:10:220
56242540,0sleep60-21swapper/600:21:586
105182530,0sleep00-21swapper/021:08:570
75882520,0sleep10-21swapper/122:06:411
253532520,0sleep10-21swapper/100:00:061
194842510,0sleep30-21swapper/322:07:233
70182500,0sleep3100-21kswapd023:57:123
282992500,0sleep70-21swapper/723:40:587
161702490,0sleep70-21swapper/722:18:487
1514524925,9sleep40-21swapper/419:05:314
135182490,0sleep113430-21sshd22:47:421
128552490,0sleep20-21swapper/223:55:352
50072470,1sleep4758-21runrttasks23:37:434
326642470,0sleep30-21swapper/323:04:263
260802470,0sleep20-21swapper/200:34:352
159042470,1sleep315903-21grepconf.sh23:40:143
1518224724,8sleep10-21swapper/119:06:001
112022470,0sleep00-21swapper/022:08:400
74922460,0sleep50-21swapper/522:31:525
134322450,0sleep10-21swapper/123:03:121
293942440,0sleep60-21swapper/600:34:476
258892440,2sleep71548399cyclictest22:32:507
257672440,0sleep20-21swapper/222:19:232
17672440,0sleep00-21swapper/021:31:560
56142430,0sleep10-21swapper/122:12:341
294182430,0sleep20-21swapper/200:11:452
270932430,1sleep727097-21grepconf.sh23:35:137
1514824332,8sleep70-21swapper/719:05:347
14612430,0sleep10-21swapper/123:20:181
136502430,0sleep60-21swapper/622:18:396
7662420,0sleep50-21swapper/519:37:425
63442420,0sleep20-21swapper/222:57:042
278342420,0sleep10-21swapper/123:46:451
262552420,0sleep30-21swapper/322:48:243
212032420,0sleep30-21swapper/323:23:163
1517124230,8sleep30-21swapper/319:05:543
13842420,0sleep60-21swapper/600:15:496
86612410,0sleep40-21swapper/420:47:394
74602410,0sleep10-21swapper/123:41:401
36612410,0sleep20-21swapper/221:10:442
282772410,0sleep00-21swapper/022:06:000
228702410,0sleep30-21swapper/321:48:333
1515224130,8sleep20-21swapper/219:05:372
105982410,0sleep00-21swapper/022:32:030
315752400,0sleep20-21swapper/222:14:032
296362400,0sleep70-21swapper/721:10:167
263852400,0sleep10-21swapper/123:13:531
1498124027,9sleep00-21swapper/019:03:190
140782400,0sleep614080-21systemd-cgroups21:40:116
109642400,1sleep410968-21bash21:11:184
40122390,1sleep04015-21bash00:17:510
18632390,0sleep00-21swapper/023:26:010
130772390,0sleep40-21swapper/422:14:534
127482390,0sleep70-21swapper/722:43:477
34252380,0sleep60-21swapper/623:43:136
104362380,1sleep110431-21sshd00:08:391
134162370,1sleep113417-21bash22:35:561
264682360,0sleep60-21swapper/622:31:056
1503523625,8sleep50-21swapper/519:04:045
116862360,2sleep61548099cyclictest00:05:006
4532350,0sleep70-21swapper/700:37:057
15467992515,3cyclictest49-21ksoftirqd/400:10:214
15467992514,1cyclictest49-21ksoftirqd/400:35:564
1544699234,3cyclictest25-21ksoftirqd/121:49:001
85092220,0sleep40-21swapper/400:14:194
1548099210,1cyclictest121rcu_preempt23:51:216
1546799218,3cyclictest49-21ksoftirqd/423:29:014
1546799218,2cyclictest49-21ksoftirqd/400:02:424
15467992110,3cyclictest49-21ksoftirqd/422:03:514
1546799211,3cyclictest49-21ksoftirqd/423:07:004
1544699216,3cyclictest25-21ksoftirqd/121:20:481
286392200,0sleep2464-21systemd-journal22:23:242
15480992015,1cyclictest65-21ksoftirqd/621:50:106
1546799209,3cyclictest49-21ksoftirqd/421:16:524
1546799207,3cyclictest49-21ksoftirqd/422:53:054
1544699203,1cyclictest25-21ksoftirqd/100:34:261
22762190,1sleep557-21ksoftirqd/523:49:055
1546799198,3cyclictest49-21ksoftirqd/421:18:394
1546799197,3cyclictest49-21ksoftirqd/422:45:504
1546799197,1cyclictest49-21ksoftirqd/421:34:004
1546799195,1cyclictest49-21ksoftirqd/423:52:164
1546799191,3cyclictest0-21swapper/423:23:504
1546799190,4cyclictest49-21ksoftirqd/423:13:174
1546799190,1cyclictest0-21swapper/422:37:194
1544699199,1cyclictest121rcu_preempt23:56:351
1544699195,2cyclictest25-21ksoftirqd/100:02:441
1544699194,3cyclictest25-21ksoftirqd/123:37:141
15446991917,1cyclictest25-21ksoftirqd/121:36:281
15446991917,1cyclictest25-21ksoftirqd/121:12:301
15446991915,1cyclictest25-21ksoftirqd/122:53:131
15446991914,3cyclictest25-21ksoftirqd/121:28:071
1544699190,1cyclictest464-21systemd-journal21:59:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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