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2025-07-16 - 00:49
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3.osadl.org (updated Tue Jul 15, 2025 12:50:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3186728873,10sleep50-21swapper/507:09:475
3184428349,30sleep20-21swapper/207:09:292
3162928249,29sleep30-21swapper/307:06:243
3176328166,10sleep60-21swapper/607:08:216
3174327844,29sleep40-21swapper/407:08:024
3171027743,29sleep70-21swapper/707:07:347
2928027642,30sleep10-21swapper/107:05:021
2927927439,30sleep00-21swapper/007:05:010
102692590,0sleep10-21swapper/111:30:191
303242500,0sleep70-21swapper/711:55:497
24262470,0sleep30-21swapper/311:26:373
274212450,0sleep40-21swapper/411:55:134
249642420,0sleep10-21swapper/111:06:091
32520992323,0cyclictest69450irq/124-eth012:25:214
32523992218,4cyclictest630-21avahi-daemon10:29:357
243982210,0sleep40-21swapper/410:35:144
32519992010,7cyclictest0-21swapper/311:49:293
32518992015,3cyclictest734-21gmain11:43:532
32523991916,3cyclictest19802-21nscd11:02:477
2416821910,0sleep10-21swapper/111:37:251
576221810,0sleep60-21swapper/610:10:196
32523991810,4cyclictest0-21swapper/712:21:337
32522991818,0cyclictest0-21swapper/612:21:396
32521991812,6cyclictest0-21swapper/511:41:325
32516991810,8cyclictest0-21swapper/011:35:100
2001821810,5sleep40-21swapper/410:17:224
58382170,0sleep00-21swapper/011:28:500
32523991717,0cyclictest8033-21strings09:40:167
32523991710,1cyclictest0-21swapper/712:37:437
32522991717,0cyclictest12772-21ssh11:15:516
32522991716,1cyclictest27529-21ls10:05:176
32520991715,1cyclictest31598-21expr08:00:134
32520991715,1cyclictest303412sleep411:25:104
32520991715,1cyclictest24916-21sh11:53:584
32519991710,0cyclictest0-21swapper/312:20:173
32519991710,0cyclictest0-21swapper/310:07:313
32518991712,4cyclictest662-21ptp4l11:50:392
32517991710,0cyclictest0-21swapper/112:00:491
32517991710,0cyclictest0-21swapper/110:41:351
32516991716,1cyclictest27974-21ssh09:19:270
32516991716,1cyclictest101ktimersoftd/012:07:540
32516991710,3cyclictest0-21swapper/012:21:300
32516991710,3cyclictest0-21swapper/012:15:010
32523991615,1cyclictest24123-21ssh10:19:587
32523991610,4cyclictest0-21swapper/709:00:147
32523991610,0cyclictest0-21swapper/711:25:517
32523991610,0cyclictest0-21swapper/710:35:217
32522991615,1cyclictest641ktimersoftd/612:29:056
32522991610,2cyclictest0-21swapper/611:51:466
32522991610,0cyclictest0-21swapper/612:38:346
32522991610,0cyclictest0-21swapper/612:11:186
32522991610,0cyclictest0-21swapper/611:28:326
32522991610,0cyclictest0-21swapper/610:54:066
32521991614,0cyclictest9144-1kworker/u17:010:14:205
32521991613,3cyclictest5009-21sh11:28:185
32521991612,2cyclictest630-21avahi-daemon12:15:285
32521991610,0cyclictest0-21swapper/510:32:135
32520991615,1cyclictest16468-21ssh09:13:484
32520991614,1cyclictest641-21nscd12:10:324
32520991610,2cyclictest0-21swapper/410:24:144
32520991610,0cyclictest0-21swapper/412:21:504
32520991610,0cyclictest0-21swapper/412:16:444
32520991610,0cyclictest0-21swapper/411:04:234
32519991615,1cyclictest13097-21interrupts12:35:143
32519991610,2cyclictest0-21swapper/308:40:143
32519991610,0cyclictest0-21swapper/312:25:203
32519991610,0cyclictest0-21swapper/311:37:083
32518991610,5cyclictest1399-21timerwakeupswit11:10:212
32518991610,4cyclictest0-21swapper/212:02:242
32517991616,0cyclictest13903-21strings10:45:191
32517991614,2cyclictest662-21ptp4l11:47:291
32517991613,3cyclictest734-21gmain09:44:301
32517991610,0cyclictest0-21swapper/112:35:081
32517991610,0cyclictest0-21swapper/109:25:211
3251699166,9cyclictest632-21irqbalance11:18:300
32516991614,2cyclictest29729-21tr09:20:110
32516991610,5cyclictest0-21swapper/012:04:100
32516991610,3cyclictest0-21swapper/012:12:360
32516991610,2cyclictest0-21swapper/010:44:080
32523991512,3cyclictest10225-21sh11:15:137
32523991511,1cyclictest12826-21latency_hist12:20:007
32523991510,5cyclictest0-21swapper/712:06:337
32523991510,5cyclictest0-21swapper/711:44:037
32523991510,4cyclictest0-21swapper/708:20:177
32523991510,1cyclictest0-21swapper/712:29:167
32523991510,0cyclictest0-21swapper/711:47:327
32523991510,0cyclictest0-21swapper/711:33:317
32523991510,0cyclictest0-21swapper/711:21:207
32523991510,0cyclictest0-21swapper/710:31:437
32523991510,0cyclictest0-21swapper/710:04:037
32522991513,1cyclictest25624-21rm10:35:186
32522991510,5cyclictest0-21swapper/612:30:046
32522991510,0cyclictest0-21swapper/612:17:106
32522991510,0cyclictest0-21swapper/611:44:096
32522991510,0cyclictest0-21swapper/609:56:096
32522991510,0cyclictest0-21swapper/609:34:036
32521991513,1cyclictest7921-21diskmemload12:36:165
32521991513,1cyclictest7921-21diskmemload12:05:235
32521991513,1cyclictest7921-21diskmemload10:52:285
32521991513,1cyclictest7921-21diskmemload10:28:485
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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