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2026-07-20 - 04:31
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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 Mon Jul 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325332900,1sleep09-21ksoftirqd/000:27:310
221272820,0sleep60-21swapper/622:04:176
190002540,1sleep125-21ksoftirqd/100:08:421
190002540,1sleep125-21ksoftirqd/100:08:421
97762510,1sleep49766-21bash23:59:084
321432510,0sleep232141-21sshd00:36:382
327602500,0sleep60-21swapper/600:32:586
2830424924,9sleep10-21swapper/119:02:101
27522490,2sleep12878499cyclictest23:47:521
252522490,0sleep60-21swapper/622:45:576
250202480,0sleep20-21swapper/221:22:562
2616824723,7sleep20-21swapper/219:01:472
108952470,0sleep40-21swapper/421:43:484
21732460,0sleep10-21swapper/122:03:081
180422460,0sleep00-21swapper/022:25:410
295872440,0sleep00-21swapper/022:02:500
290172440,0sleep30-21swapper/322:46:113
281672440,1sleep00-21swapper/023:25:480
137902440,1sleep557-21ksoftirqd/521:33:085
108482440,1sleep710813-21rm00:22:427
104162440,0sleep40-21swapper/421:29:234
87752430,0sleep50-21swapper/522:07:045
46002430,0sleep50-21swapper/523:53:245
296832430,0sleep20-21swapper/200:18:202
283052430,0sleep60-21swapper/622:37:006
223242430,0sleep00-21swapper/022:51:120
91732420,0sleep10-21swapper/122:12:291
91732420,0sleep10-21swapper/122:12:291
31242420,1sleep12979-21sshd21:43:211
311572420,0sleep30-21swapper/300:29:183
2851924229,9sleep40-21swapper/419:05:024
172762420,0sleep3401ktimersoftd/300:03:073
172762420,0sleep3401ktimersoftd/300:03:073
136572420,0sleep40-21swapper/421:20:344
117002420,0sleep10-21swapper/121:07:171
307652410,0sleep10-21swapper/121:55:471
2833824128,9sleep30-21swapper/319:02:363
178512410,1sleep417835-21sshd00:26:474
41692400,0sleep30-21swapper/323:31:443
2855124027,9sleep70-21swapper/719:05:297
51582390,0sleep10-21swapper/121:16:301
2850223928,8sleep50-21swapper/519:04:475
2766923926,8sleep00-21swapper/019:02:010
250612390,2sleep585250irq/26-em1-tx-022:29:395
102372390,2sleep32880299cyclictest00:26:223
2860823827,8sleep60-21swapper/619:06:166
219482380,0sleep40-21swapper/422:27:374
189542380,0sleep40-21swapper/422:11:194
150912380,0sleep30-21swapper/300:10:203
150912380,0sleep30-21swapper/300:10:203
28819992413,0cyclictest0-21swapper/519:31:345
28776992411,10cyclictest0-21swapper/019:59:500
28819992211,0cyclictest0-21swapper/520:39:085
2877699225,5cyclictest0-21swapper/022:01:140
323892210,0sleep20-21swapper/221:50:272
2879299216,2cyclictest33-21ksoftirqd/222:22:092
28792992114,4cyclictest33-21ksoftirqd/200:24:302
2877699215,0cyclictest0-21swapper/023:17:480
290172200,0sleep70-21swapper/722:38:547
28792992010,1cyclictest33-21ksoftirqd/200:06:162
28792992010,1cyclictest33-21ksoftirqd/200:06:162
2877699206,11cyclictest0-21swapper/020:55:360
2877699206,11cyclictest0-21swapper/020:17:100
2877699202,17cyclictest663-21in:imjournal23:32:540
28776992014,5cyclictest0-21swapper/021:49:500
190932200,0sleep50-21swapper/522:51:015
78342190,0sleep50-21swapper/522:25:065
2881999198,5cyclictest0-21swapper/523:08:105
2881999198,0cyclictest0-21swapper/521:00:025
2881999198,0cyclictest0-21swapper/520:26:525
2881999198,0cyclictest0-21swapper/519:46:205
2881999197,5cyclictest0-21swapper/521:24:085
28819991914,5cyclictest0-21swapper/520:21:245
28811991917,1cyclictest49-21ksoftirqd/422:13:194
28811991917,1cyclictest49-21ksoftirqd/422:13:194
2879299197,1cyclictest33-21ksoftirqd/223:25:342
28792991916,2cyclictest18728-21cp23:08:592
28792991913,4cyclictest33-21ksoftirqd/223:38:412
28792991913,3cyclictest33-21ksoftirqd/222:19:232
2877699198,5cyclictest0-21swapper/022:52:340
2877699198,5cyclictest0-21swapper/021:55:440
2877699197,6cyclictest0-21swapper/000:35:160
2877699192,6cyclictest0-21swapper/021:30:000
156322190,0sleep40-21swapper/423:52:114
2881999187,5cyclictest0-21swapper/523:24:505
2881999187,5cyclictest0-21swapper/520:45:245
2881999187,5cyclictest0-21swapper/519:56:305
2881999187,5cyclictest0-21swapper/519:56:305
2881999186,5cyclictest0-21swapper/519:31:455
2881999180,6cyclictest0-21swapper/522:44:585
2879299185,2cyclictest33-21ksoftirqd/221:44:572
2879299184,2cyclictest33-21ksoftirqd/223:50:572
28792991816,1cyclictest464-21systemd-journal23:04:242
28792991816,1cyclictest33-21ksoftirqd/222:08:382
28792991815,3cyclictest33-21ksoftirqd/221:39:012
28792991814,1cyclictest33-21ksoftirqd/200:15:012
2877699188,10cyclictest0-21swapper/020:11:040
2877699188,10cyclictest0-21swapper/019:28:010
2877699182,5cyclictest464-21systemd-journal22:15:300
2877699182,5cyclictest464-21systemd-journal22:15:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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