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2026-05-22 - 19:37
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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 rack2slot0.osadl.org (updated Fri May 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105462900,0sleep30-21swapper/309:40:083
72262730,1sleep11736799cyclictest11:09:091
119512600,0sleep00-21swapper/012:27:120
81342580,0sleep00-21swapper/011:25:470
263962520,0sleep10-21swapper/109:52:521
157212520,0sleep10-21swapper/111:40:181
59692510,0sleep30-21swapper/311:17:203
64512500,0sleep30-21swapper/312:26:433
214742500,0sleep00-21swapper/011:24:150
1548425038,7sleep30-21swapper/307:05:123
316022490,0sleep00-21swapper/011:58:190
244562490,0sleep30-21swapper/310:09:443
106302490,0sleep10-21swapper/109:48:391
292682480,0sleep20-21swapper/209:25:012
289702480,0sleep10-21swapper/109:13:021
228762480,0sleep022837-21sshd09:58:150
227092480,0sleep20-21swapper/210:12:192
268192470,0sleep10-21swapper/110:04:171
20542470,1sleep233-21ksoftirqd/210:30:012
26122460,0sleep30-21swapper/311:05:563
227292440,0sleep2321ktimersoftd/210:29:022
15392410,1sleep11534-21sshd12:34:421
227092380,0sleep20-21swapper/212:36:272
154822287,7sleep10-21swapper/107:05:101
1691022614,7sleep00-21swapper/007:05:330
91922220,0sleep30-21swapper/309:54:133
177992220,0sleep00-21swapper/011:04:320
1695222210,7sleep20-21swapper/207:06:072
17378992020,0cyclictest401ktimersoftd/307:16:233
17378992020,0cyclictest401ktimersoftd/307:16:233
300122180,0sleep00-21swapper/011:38:490
1737899177,1cyclictest41-21ksoftirqd/312:11:463
17378991717,0cyclictest401ktimersoftd/308:26:593
42182160,0sleep10-21swapper/110:38:301
249042160,0sleep20-21swapper/211:10:352
242512160,0sleep00-21swapper/012:39:250
1737899165,2cyclictest41-21ksoftirqd/310:23:083
17378991616,0cyclictest401ktimersoftd/308:23:273
1737399160,1cyclictest19293-21sshd12:30:332
297912150,0sleep329787-21sshd09:13:083
261902150,0sleep10-21swapper/111:10:421
253252150,0sleep20-21swapper/211:02:222
1737899154,3cyclictest41-21ksoftirqd/311:54:263
1737899153,2cyclictest41-21ksoftirqd/311:48:043
17373991513,1cyclictest1014-21lspci10:21:342
1737399150,14cyclictest0-21swapper/209:45:042
1736799155,1cyclictest25-21ksoftirqd/112:10:211
162772150,0sleep00-21swapper/011:32:030
115462150,0sleep10-21swapper/110:16:551
68222140,0sleep00-21swapper/009:39:490
64582140,0sleep00-21swapper/010:02:280
294482140,0sleep10-21swapper/110:57:121
1737899145,3cyclictest41-21ksoftirqd/311:41:413
1737899144,3cyclictest41-21ksoftirqd/309:48:483
1737899143,3cyclictest41-21ksoftirqd/310:13:293
1737899142,3cyclictest41-21ksoftirqd/312:00:173
17378991414,0cyclictest401ktimersoftd/309:06:073
17378991414,0cyclictest401ktimersoftd/308:19:373
1737399140,13cyclictest0-21swapper/211:25:442
1737399140,12cyclictest3131-21sshd10:38:242
1736799145,1cyclictest25-21ksoftirqd/111:30:331
1736799144,3cyclictest674-21dbus-daemon10:54:531
1736799143,1cyclictest25-21ksoftirqd/112:10:001
17367991414,0cyclictest527-40kipmi008:51:441
1736799140,0cyclictest121rcu_preempt09:42:371
17360991413,0cyclictest12165-21lspci12:32:470
17360991413,0cyclictest101ktimersoftd/009:20:200
1736099140,1cyclictest18888-21sshd12:13:570
162062140,0sleep30-21swapper/311:12:403
125652140,0sleep2311rcuc/210:05:462
259192130,0sleep20-21swapper/210:15:202
1737899139,1cyclictest41-21ksoftirqd/309:39:103
1737899135,2cyclictest41-21ksoftirqd/310:34:003
1737899134,1cyclictest41-21ksoftirqd/312:17:423
1737899134,1cyclictest41-21ksoftirqd/312:07:363
1737899134,1cyclictest41-21ksoftirqd/310:45:203
1737899133,3cyclictest41-21ksoftirqd/311:20:053
1737899133,2cyclictest41-21ksoftirqd/312:38:143
17378991313,0cyclictest401ktimersoftd/308:46:123
17378991313,0cyclictest401ktimersoftd/307:55:313
1737899131,1cyclictest7422-21grep12:32:213
1737399138,0cyclictest0-21swapper/209:32:342
1737399138,0cyclictest0-21swapper/209:15:342
1737399135,1cyclictest660-21avahi-daemon12:04:572
1736799135,1cyclictest25-21ksoftirqd/112:22:031
1736799133,3cyclictest25-21ksoftirqd/111:51:501
1736799132,2cyclictest25-21ksoftirqd/112:17:051
17360991312,0cyclictest5362-21lspci09:50:580
17360991311,1cyclictest8680-21lspci10:38:530
17360991311,1cyclictest7336-21kworker/0:111:53:470
1736099130,12cyclictest0-21swapper/012:03:270
1737899125,2cyclictest41-21ksoftirqd/311:25:453
1737899124,3cyclictest41-21ksoftirqd/310:38:483
1737899124,1cyclictest41-21ksoftirqd/311:56:173
1737899123,2cyclictest41-21ksoftirqd/311:30:233
1737899123,2cyclictest41-21ksoftirqd/310:54:573
1737899123,1cyclictest41-21ksoftirqd/311:36:223
1737899123,1cyclictest41-21ksoftirqd/310:17:423
1737899123,1cyclictest41-21ksoftirqd/309:33:503
1737899123,1cyclictest41-21ksoftirqd/309:20:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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