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2026-04-26 - 19:54
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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 Apr 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290982700,0sleep70-21swapper/712:07:587
295462560,2sleep51579699cyclictest11:30:085
6252530,0sleep70-21swapper/710:20:427
162972530,0sleep00-21swapper/011:39:000
255092510,0sleep20-21swapper/211:22:282
309352500,0sleep40-21swapper/412:27:024
207202500,1sleep1758-21runrttasks09:15:561
205242500,1sleep220500-21sshd12:13:142
1534125027,8sleep00-21swapper/007:06:000
324912490,0sleep00-21swapper/009:35:260
274602490,0sleep50-21swapper/512:05:485
1541124937,9sleep30-21swapper/307:07:003
254072480,1sleep4481ktimersoftd/409:53:564
228552470,0sleep20-21swapper/211:31:412
1554624725,8sleep40-21swapper/407:08:534
109662470,0sleep20-21swapper/211:19:482
323572460,0sleep50-21swapper/510:28:175
262102460,0sleep50-21swapper/512:19:105
262102460,0sleep50-21swapper/512:19:105
73472450,1sleep77350-21bash11:36:277
68392450,2sleep71581199cyclictest11:21:217
129062450,1sleep712907-21grep11:27:227
94092440,1sleep69395-21sshd10:06:076
66922440,1sleep16676-21sshd10:11:391
1551724433,8sleep20-21swapper/207:08:272
10412440,0sleep41040-21systemd-cgroups10:58:274
86442430,0sleep60-21swapper/609:47:176
48562430,0sleep60-21swapper/611:36:186
93222420,0sleep70-21swapper/709:22:517
284902420,0sleep10-21swapper/112:36:281
16032420,0sleep50-21swapper/509:43:085
305102410,0sleep130498-21sshd09:20:131
283852410,1sleep628383-21kworker/u16:109:40:526
1544024129,8sleep50-21swapper/507:07:265
45442400,0sleep00-21swapper/010:34:130
45182400,2sleep21576999cyclictest10:43:362
327162400,0sleep10-21swapper/110:18:521
322502400,0sleep00-21swapper/008:34:480
253522400,0sleep40-21swapper/409:18:084
1541424028,8sleep60-21swapper/607:07:036
1540924029,8sleep10-21swapper/107:06:581
1539524029,8sleep70-21swapper/707:06:487
117012400,0sleep50-21swapper/511:53:395
9972390,0sleep30-21swapper/309:43:063
5672390,0sleep70-21swapper/711:49:167
198612390,0sleep70-21swapper/710:59:347
230552370,2sleep51579699cyclictest09:46:125
1575399259,1cyclictest9-21ksoftirqd/010:00:110
1575399239,4cyclictest9-21ksoftirqd/009:40:030
15753992312,2cyclictest9-21ksoftirqd/009:33:280
15753992311,3cyclictest9-21ksoftirqd/010:39:170
15753992310,4cyclictest9-21ksoftirqd/011:00:180
1575399229,1cyclictest9-21ksoftirqd/011:47:310
1575399228,1cyclictest9-21ksoftirqd/010:53:440
1575399225,2cyclictest9-21ksoftirqd/012:14:540
1575399225,2cyclictest9-21ksoftirqd/012:14:540
15777992116,4cyclictest41-21ksoftirqd/311:51:543
15777992115,4cyclictest41-21ksoftirqd/310:07:523
1575399219,3cyclictest9-21ksoftirqd/009:51:030
1575399218,1cyclictest9-21ksoftirqd/011:13:170
1575399217,2cyclictest9-21ksoftirqd/012:33:060
1575399214,2cyclictest9-21ksoftirqd/011:05:370
1575399214,2cyclictest9-21ksoftirqd/009:27:500
15753992111,3cyclictest9-21ksoftirqd/011:15:410
15753992110,3cyclictest9-21ksoftirqd/010:11:560
15753992110,3cyclictest9-21ksoftirqd/009:17:000
15753992110,1cyclictest9-21ksoftirqd/012:01:030
15753992110,1cyclictest9-21ksoftirqd/011:32:150
15777992016,1cyclictest41-21ksoftirqd/311:18:573
1576999206,3cyclictest33-21ksoftirqd/212:21:012
1576999205,1cyclictest33-21ksoftirqd/209:20:002
1575399209,4cyclictest9-21ksoftirqd/012:14:170
1575399209,2cyclictest9-21ksoftirqd/012:35:410
1575399209,1cyclictest9-21ksoftirqd/009:57:170
1575399209,1cyclictest9-21ksoftirqd/009:46:100
1575399209,1cyclictest9-21ksoftirqd/009:13:110
1575399208,4cyclictest9-21ksoftirqd/011:41:430
1575399208,3cyclictest9-21ksoftirqd/011:20:100
1575399208,2cyclictest9-21ksoftirqd/012:26:240
1575399208,2cyclictest9-21ksoftirqd/010:26:530
1575399208,1cyclictest9-21ksoftirqd/010:07:090
1575399206,3cyclictest9-21ksoftirqd/012:04:520
1575399206,1cyclictest9-21ksoftirqd/011:53:570
1575399202,16cyclictest12995-21kworker/0:108:15:290
15753992011,3cyclictest9-21ksoftirqd/011:27:200
310342190,0sleep40-21swapper/410:03:414
1577799197,3cyclictest41-21ksoftirqd/312:21:333
15777991915,4cyclictest41-21ksoftirqd/310:25:383
1577799190,1cyclictest131rcu_sched11:27:183
15761991916,2cyclictest25-21ksoftirqd/109:28:231
1575399198,2cyclictest9-21ksoftirqd/010:45:390
1575399197,3cyclictest9-21ksoftirqd/012:20:580
1575399197,2cyclictest9-21ksoftirqd/010:21:360
1575399197,1cyclictest9-21ksoftirqd/011:55:540
1575399197,1cyclictest9-21ksoftirqd/010:55:270
1575399196,1cyclictest9-21ksoftirqd/009:21:150
15753991913,4cyclictest9-21ksoftirqd/010:19:190
1581199180,1cyclictest131rcu_sched09:17:577
15803991814,3cyclictest65-21ksoftirqd/611:47:036
15803991812,3cyclictest65-21ksoftirqd/609:36:276
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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