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2026-03-21 - 14:49
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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
Characteristics of the 100 highest latencies:
System rack2slot0.osadl.org (updated Sat Mar 21, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
691321080,0sleep16874-21sshd10:22:351
111362810,0sleep00-21swapper/012:33:070
58992750,0sleep00-21swapper/010:22:300
31902750,1sleep09-21ksoftirqd/010:43:570
65062730,0sleep00-21swapper/009:55:300
67932710,0sleep10-21swapper/110:41:281
58912600,0sleep30-21swapper/311:19:203
99612570,0sleep30-21swapper/311:27:493
226832550,0sleep00-21swapper/012:23:140
134382540,0sleep30-21swapper/312:14:193
3922530,0sleep20-21swapper/211:37:542
62032510,0sleep16174-21cp12:35:201
235202510,0sleep10-21swapper/112:15:101
268362500,0sleep00-21swapper/010:48:370
121102500,0sleep10-21swapper/111:41:331
263432490,0sleep10-21swapper/111:12:541
226472490,1sleep122643-21sshd10:50:551
168482490,1sleep116851-21timerandwakeup09:20:181
160222490,1sleep00-21swapper/009:45:330
13932490,0sleep10-21swapper/112:26:501
321672480,0sleep20-21swapper/210:51:442
99822460,0sleep00-21swapper/012:08:360
114112450,0sleep011408-21lspci11:11:350
295622420,0sleep229536-21sshd11:43:032
274342410,2sleep2734099cyclictest12:29:052
230282400,1sleep0101ktimersoftd/010:18:330
195542390,2sleep2734099cyclictest11:23:112
152882370,0sleep10-21swapper/111:58:121
189012360,0sleep018902-21sshd09:13:050
701223422,7sleep30-21swapper/307:07:163
175352330,0sleep10-21swapper/110:01:521
183832230,12sleep375750irq/24-eno1-rx-11:01:223
718322211,7sleep10-21swapper/107:09:261
694722210,7sleep20-21swapper/207:06:272
215182220,0sleep30-21swapper/310:10:153
54482219,7sleep00-21swapper/007:05:080
133652200,0sleep00-21swapper/011:38:590
104562200,1sleep210446-21sshd11:00:412
203052180,0sleep20-21swapper/212:17:352
7333991715,1cyclictest14281-21kworker/1:009:45:471
148812170,1sleep3391rcuc/310:50:163
7333991615,0cyclictest241ktimersoftd/110:35:551
7333991615,0cyclictest15575-21kworker/1:209:26:421
7333991614,1cyclictest32408-21kworker/1:111:20:561
38832160,1sleep03884-21sshd12:02:380
36702160,0sleep30-21swapper/310:49:243
100772160,1sleep010074-21lspci11:55:020
7333991515,0cyclictest15835-21kworker/1:110:56:201
7333991514,0cyclictest13085-21kworker/1:109:40:241
7333991513,1cyclictest1243-21kworker/1:311:46:461
40662150,0sleep10-21swapper/111:05:331
241882150,1sleep224183-21lspci10:42:572
213802150,0sleep20-21swapper/211:07:012
12432150,0sleep31238-21lspci10:30:143
7333991414,0cyclictest16203-21kworker/1:410:18:221
7333991413,0cyclictest241ktimersoftd/111:50:501
7333991413,0cyclictest17049-21lspci12:11:511
7333991412,1cyclictest15945-21kworker/1:310:47:511
7333991412,1cyclictest1319-21kworker/1:111:38:171
7327991413,0cyclictest14878-21kworker/0:212:17:040
732799140,13cyclictest17174-21bash09:40:120
67202140,0sleep30-21swapper/308:25:153
305072140,0sleep20-21swapper/209:10:332
259652140,0sleep30-21swapper/310:26:523
204092140,0sleep20-21swapper/211:12:222
734499130,1cyclictest22509-21grep12:36:453
7333991312,0cyclictest3545-21lspci12:24:211
7333991312,0cyclictest28725-21lspci11:02:151
7333991312,0cyclictest17915-21kworker/1:210:25:091
7333991311,1cyclictest32266-21kworker/1:211:31:211
246902130,0sleep10-21swapper/110:10:291
110342130,0sleep20-21swapper/211:25:122
7344991210,1cyclictest11118-21sshd09:39:453
7340991210,1cyclictest527-40kipmi011:30:542
734099120,1cyclictest0-21swapper/209:37:222
734099120,11cyclictest0-21swapper/210:30:522
7333991212,0cyclictest28828-21kworker/1:109:57:451
7333991211,1cyclictest1281-21kworker/1:409:15:591
7333991211,0cyclictest3985-21kworker/1:012:07:251
7333991211,0cyclictest3984-21kworker/1:011:18:531
7333991210,1cyclictest25-21ksoftirqd/109:35:111
7333991210,1cyclictest1281-21kworker/1:409:14:251
733399120,11cyclictest0-21swapper/112:33:341
732799120,11cyclictest0-21swapper/010:52:440
734499119,1cyclictest23772-21id10:07:463
734499110,10cyclictest0-21swapper/311:50:563
734499110,10cyclictest0-21swapper/311:48:053
734499110,10cyclictest0-21swapper/309:24:363
7340991110,0cyclictest0-21swapper/212:02:122
734099110,10cyclictest0-21swapper/211:50:322
734099110,10cyclictest0-21swapper/209:43:422
734099110,10cyclictest0-21swapper/208:35:022
734099110,10cyclictest0-21swapper/207:10:022
7333991111,0cyclictest3147-21kworker/1:107:31:491
7333991111,0cyclictest3147-21kworker/1:107:25:131
732799119,1cyclictest623-17sedispatch09:31:530
297612110,1sleep329760-21bash12:02:063
734499109,0cyclictest0-21swapper/312:17:463
734499109,0cyclictest0-21swapper/310:38:163
734499109,0cyclictest0-21swapper/310:04:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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