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2026-07-14 - 15:39
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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 Tue Jul 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35179913718,77cyclictest1-21systemd11:36:005
3525999454,0cyclictest85150irq/25-em1-rx-011:36:006
40532770,0sleep70-21swapper/709:12:407
123202740,0sleep10-21swapper/112:18:241
3492996846,22cyclictest0-21swapper/211:36:002
350499600,59cyclictest28801-21kworker/3:511:36:003
112202580,1sleep211219-21grep10:04:012
328725442,8sleep50-21swapper/507:06:125
70722520,0sleep50-21swapper/510:23:505
239832520,1sleep232054-1kworker/2:0H12:19:052
310125126,9sleep30-21swapper/307:03:453
317032500,0sleep20-21swapper/212:26:582
311225025,8sleep40-21swapper/407:03:544
61102490,0sleep20-21swapper/209:23:402
324424926,8sleep20-21swapper/207:05:362
107052490,0sleep20-21swapper/211:04:242
267162480,0sleep30-21swapper/311:23:473
89972460,0sleep70-21swapper/712:32:557
70552460,0sleep60-21swapper/610:32:566
212422460,0sleep70-21swapper/710:44:437
187002460,0sleep60-21swapper/610:44:346
132592460,0sleep10-21swapper/111:10:081
93152450,3sleep1348499cyclictest12:09:031
3476994511,0cyclictest0-21swapper/011:36:000
196782440,0sleep10-21swapper/110:15:291
196782440,0sleep10-21swapper/110:15:291
106812440,0sleep10-21swapper/111:50:441
312724331,8sleep00-21swapper/007:04:060
167042430,1sleep773-21ksoftirqd/712:15:017
162442430,0sleep50-21swapper/510:57:145
153792430,0sleep315376-21systemd-cgroups09:20:373
148602430,0sleep40-21swapper/412:20:274
177632420,1sleep31-21systemd10:42:393
152992420,0sleep50-21swapper/511:25:015
106762420,0sleep50-21swapper/512:33:015
26372410,0sleep00-21swapper/011:37:140
111082410,0sleep60-21swapper/611:24:466
84922400,0sleep00-21swapper/011:19:040
78512400,0sleep3391rcuc/312:32:513
3484994039,1cyclictest4489-21kworker/1:611:36:011
318324027,9sleep70-21swapper/707:04:537
29782400,0sleep40-21swapper/409:28:554
293372400,0sleep40-21swapper/411:31:254
280042400,0sleep70-21swapper/711:12:467
280042400,0sleep70-21swapper/711:12:467
325582390,0sleep10-21swapper/111:57:251
315023927,9sleep10-21swapper/107:04:231
22602390,2sleep2349299cyclictest12:01:192
142602390,0sleep3758-21runrttasks09:38:393
80823826,8sleep60-21swapper/607:01:566
160772380,2sleep6352599cyclictest11:06:366
235792370,0sleep00-21swapper/011:23:360
265772360,0sleep10-21swapper/110:19:301
57672350,0sleep4351099cyclictest09:16:304
3533993110,20cyclictest721-21dbus-daemon11:36:007
347699270,15cyclictest0-21swapper/010:22:070
248232260,16sleep09-21ksoftirqd/012:22:470
3525992514,1cyclictest65-21ksoftirqd/611:01:266
3525992511,3cyclictest65-21ksoftirqd/610:51:416
3525992510,1cyclictest65-21ksoftirqd/610:15:446
3525992510,1cyclictest65-21ksoftirqd/610:15:446
352599243,3cyclictest65-21ksoftirqd/610:03:146
351099240,24cyclictest0-21swapper/411:36:014
352599237,1cyclictest65-21ksoftirqd/609:07:056
3525992313,4cyclictest65-21ksoftirqd/609:38:156
3517992313,5cyclictest8792-21sshd09:22:055
3476992315,0cyclictest0-21swapper/008:49:470
352599229,2cyclictest65-21ksoftirqd/610:21:366
352599227,1cyclictest65-21ksoftirqd/610:01:496
352599225,4cyclictest65-21ksoftirqd/612:16:336
3484992220,2cyclictest25-21ksoftirqd/111:52:061
20542220,0sleep10-21swapper/109:41:421
352599218,1cyclictest65-21ksoftirqd/609:36:456
352599218,1cyclictest65-21ksoftirqd/609:28:456
352599216,3cyclictest65-21ksoftirqd/609:49:256
3525992114,4cyclictest65-21ksoftirqd/611:43:296
3525992110,1cyclictest65-21ksoftirqd/609:42:286
352599208,2cyclictest65-21ksoftirqd/611:16:596
352599208,2cyclictest65-21ksoftirqd/609:53:576
352599208,1cyclictest65-21ksoftirqd/612:09:166
352599208,1cyclictest65-21ksoftirqd/611:14:406
352599208,1cyclictest65-21ksoftirqd/611:14:406
352599207,4cyclictest65-21ksoftirqd/611:09:276
352599204,2cyclictest65-21ksoftirqd/611:39:086
3525992011,1cyclictest65-21ksoftirqd/609:15:186
3525992010,1cyclictest65-21ksoftirqd/611:28:246
3517992015,0cyclictest0-21swapper/508:53:495
347699202,6cyclictest0-21swapper/010:02:170
15322200,0sleep00-21swapper/009:34:200
352599198,3cyclictest65-21ksoftirqd/612:36:236
352599197,3cyclictest65-21ksoftirqd/610:26:476
352599197,3cyclictest65-21ksoftirqd/609:17:146
352599197,1cyclictest65-21ksoftirqd/612:26:556
352599196,2cyclictest65-21ksoftirqd/612:23:086
352599195,1cyclictest65-21ksoftirqd/611:48:186
352599194,1cyclictest65-21ksoftirqd/610:28:416
3525991917,1cyclictest65-21ksoftirqd/609:26:096
3525991915,3cyclictest65-21ksoftirqd/612:06:096
3525991915,3cyclictest65-21ksoftirqd/610:37:176
351799198,0cyclictest0-21swapper/508:56:575
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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