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2025-12-20 - 04:16
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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 Sat Dec 20, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141179913215,60cyclictest1-21systemd23:36:234
14115991250,125cyclictest12284-21kworker/3:222:40:343
14117991210,79cyclictest1-21systemd22:40:344
1413399102101,1cyclictest1116-21nfsd22:40:346
14121995925,34cyclictest99-21kswapd022:40:355
17872550,0sleep40-21swapper/421:38:254
1411599550,54cyclictest29313-21kworker/3:423:36:233
178432530,2sleep51412199cyclictest22:58:275
14133995319,34cyclictest0-21swapper/623:36:246
142652490,0sleep30-21swapper/322:08:363
1364224923,9sleep00-21swapper/019:05:280
56652470,0sleep00-21swapper/023:05:590
1395724735,8sleep40-21swapper/419:09:414
139502470,0sleep30-21swapper/300:19:543
100702470,0sleep10-21swapper/121:24:451
159102460,0sleep30-21swapper/323:15:313
118412460,0sleep00-21swapper/023:26:490
136932450,0sleep50-21swapper/523:53:295
93172440,0sleep69316-21systemd-cgroups21:24:426
232132440,0sleep71-21systemd21:14:107
228922440,0sleep1231rcuc/100:11:511
115352420,0sleep70-21swapper/723:35:297
248992410,0sleep50-21swapper/521:28:575
1393924129,8sleep50-21swapper/519:09:265
1379724129,9sleep70-21swapper/719:07:277
1377824130,8sleep60-21swapper/619:07:106
262752400,0sleep4471rcuc/423:25:094
14101994040,0cyclictest24085-21kworker/0:323:36:240
1148024028,8sleep20-21swapper/219:04:502
225072390,0sleep00-21swapper/020:19:580
152712390,1sleep115261-21sshd22:23:151
14101993939,0cyclictest11886-21kworker/0:122:40:360
1387623927,9sleep10-21swapper/119:08:331
1362723927,8sleep30-21swapper/319:05:153
166652380,0sleep20-21swapper/223:33:082
310152370,0sleep70-21swapper/723:43:227
14108993535,0cyclictest13550irq/24-ahci[00023:36:232
14108993131,0cyclictest13550irq/24-ahci[00022:40:362
14102993028,1cyclictest786-21snmpd22:40:351
1412199229,3cyclictest57-21ksoftirqd/521:35:055
224962200,0sleep10-21swapper/100:08:551
14121992014,4cyclictest57-21ksoftirqd/500:13:255
185402190,0sleep60-21swapper/623:27:276
1412199195,1cyclictest57-21ksoftirqd/500:23:315
1412199193,2cyclictest57-21ksoftirqd/523:54:475
14121991918,1cyclictest396-21jbd2/sda2-823:36:245
14121991916,1cyclictest57-21ksoftirqd/500:37:365
1412199190,2cyclictest131rcu_sched23:15:015
14102991918,1cyclictest28207-21kworker/u16:223:36:241
72562180,2sleep41411799cyclictest21:27:204
14121991816,1cyclictest57-21ksoftirqd/500:18:355
14121991816,1cyclictest21725-21systemd23:21:575
14121991814,1cyclictest57-21ksoftirqd/521:21:035
14121991813,3cyclictest57-21ksoftirqd/523:46:435
14121991813,3cyclictest57-21ksoftirqd/521:53:445
14121991813,1cyclictest57-21ksoftirqd/522:20:575
14121991812,4cyclictest57-21ksoftirqd/522:06:145
14121991812,4cyclictest57-21ksoftirqd/500:08:355
14121991811,4cyclictest57-21ksoftirqd/500:27:295
1413899170,16cyclictest19903-21kworker/u16:422:40:357
1412199179,5cyclictest57-21ksoftirqd/500:32:025
14121991715,1cyclictest57-21ksoftirqd/522:27:235
14121991715,1cyclictest57-21ksoftirqd/522:27:235
14121991713,3cyclictest57-21ksoftirqd/522:00:435
14121991711,3cyclictest57-21ksoftirqd/521:32:025
14121991710,1cyclictest57-21ksoftirqd/522:30:475
1412199171,1cyclictest57-21ksoftirqd/521:44:055
1412199171,1cyclictest121rcu_preempt22:15:015
1412199170,1cyclictest11178-21systemd-cgroups21:12:465
14102991715,1cyclictest0-21swapper/122:53:091
312202160,0sleep70-21swapper/723:31:297
1412199168,8cyclictest57-21ksoftirqd/521:16:575
14121991615,1cyclictest57-21ksoftirqd/522:36:365
14121991614,1cyclictest57-21ksoftirqd/523:43:355
14121991614,1cyclictest57-21ksoftirqd/523:32:235
14121991614,1cyclictest57-21ksoftirqd/522:10:065
14121991614,1cyclictest57-21ksoftirqd/521:56:425
14121991613,1cyclictest57-21ksoftirqd/521:47:225
14121991611,4cyclictest57-21ksoftirqd/522:50:075
14115991615,1cyclictest41-21ksoftirqd/322:38:353
14108991615,0cyclictest22784-1kworker/2:1H21:39:002
1413899150,14cyclictest12997-21kworker/7:021:55:587
14121991513,1cyclictest57-21ksoftirqd/523:10:075
14121991513,1cyclictest57-21ksoftirqd/523:00:175
14121991512,2cyclictest57-21ksoftirqd/523:59:585
14121991512,1cyclictest57-21ksoftirqd/523:05:495
14121991510,3cyclictest57-21ksoftirqd/523:25:235
1412199150,2cyclictest57-21ksoftirqd/522:47:505
14115991514,1cyclictest41-21ksoftirqd/321:34:493
14115991513,1cyclictest41-21ksoftirqd/323:00:483
1410199153,9cyclictest0-21swapper/020:35:340
300222140,0sleep30-21swapper/322:15:493
14138991412,1cyclictest73-21ksoftirqd/700:16:267
1413399147,3cyclictest16331-21grepconf.sh00:02:266
1411599147,4cyclictest41-21ksoftirqd/323:09:573
14115991412,1cyclictest41-21ksoftirqd/323:56:063
14115991411,2cyclictest41-21ksoftirqd/323:47:163
14108991413,1cyclictest33-21ksoftirqd/200:15:552
14108991412,2cyclictest33-21ksoftirqd/222:15:302
14108991411,2cyclictest24356-21systemd23:01:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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