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2026-04-16 - 23:09
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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 Thu Apr 16, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61292890,0sleep01-21systemd09:16:120
150062850,0sleep115005-21sshd12:30:241
123892680,1sleep2674-21dbus-daemon11:33:212
277202560,0sleep00-21swapper/010:54:450
139872560,0sleep20-21swapper/211:36:532
228822550,1sleep2660-21avahi-daemon10:57:082
166342550,0sleep316635-21sshd10:39:383
132062550,1sleep01-21systemd12:13:160
118902550,1sleep211893-21grep11:01:522
54572540,1sleep0663-21ModemManager12:06:420
235542540,1sleep223555-21sshd09:58:392
274352530,0sleep20-21swapper/210:37:452
18442530,1sleep0674-21dbus-daemon11:42:550
96092520,1sleep2321ktimersoftd/212:10:052
67382520,0sleep20-21swapper/209:46:072
221662520,0sleep00-21swapper/010:20:360
112622520,0sleep30-21swapper/309:54:523
106132520,1sleep010583-21sshd09:24:410
77802500,1sleep07772-21lspci09:40:400
76052500,0sleep10-21swapper/112:26:581
51602490,0sleep10-21swapper/110:08:091
140772490,0sleep00-21swapper/010:28:180
140772490,0sleep00-21swapper/010:28:170
231362480,0sleep20-21swapper/210:06:522
103442480,0sleep20-21swapper/212:38:292
74502470,0sleep20-21swapper/212:24:122
181982430,0sleep318201-21bash09:49:563
137742400,2sleep063599cyclictest12:24:460
114482390,0sleep10-21swapper/111:10:331
323002380,2sleep063599cyclictest09:27:140
44323424,6sleep10-21swapper/107:09:181
3263823328,3sleep30-21swapper/307:06:023
3269523213,14sleep00-21swapper/007:06:480
3672298,7sleep20-21swapper/207:08:232
5252260,0sleep00-21swapper/011:50:050
256882250,0sleep20-21swapper/209:42:132
276172180,0sleep30-21swapper/310:29:303
276172180,0sleep30-21swapper/310:29:293
170842180,0sleep217085-21sshd10:00:492
57602160,0sleep20-21swapper/211:46:512
225012160,1sleep322468-21sshd12:36:413
63699150,2cyclictest674-21dbus-daemon09:26:041
296872150,1sleep125-21ksoftirqd/110:35:111
257602150,0sleep30-21swapper/309:22:333
112032150,1sleep311205-21bash11:26:083
107992150,1sleep3391rcuc/310:08:383
638991412,1cyclictest0-21swapper/312:26:533
326172140,0sleep30-21swapper/312:06:143
199842140,0sleep30-21swapper/310:23:163
168862140,0sleep10-21swapper/111:26:421
637991311,1cyclictest11250-21sshd10:28:042
637991311,1cyclictest11250-21sshd10:28:032
636991311,1cyclictest1-21systemd11:45:141
58742130,0sleep20-21swapper/210:19:192
51332130,0sleep10-21swapper/110:47:021
20332130,0sleep10-21swapper/109:15:411
182582130,0sleep30-21swapper/311:20:243
166852130,0sleep30-21swapper/312:19:203
78062120,1sleep27797-21sshd12:26:592
63899120,1cyclictest26154-21bash09:39:343
63899120,1cyclictest24751-21grep11:59:243
63899120,11cyclictest25429-21sshd11:49:143
637991210,1cyclictest0-21swapper/211:06:242
63799120,11cyclictest674-21dbus-daemon09:54:142
63699120,1cyclictest14277-21sshd11:05:041
63699120,1cyclictest0-21swapper/109:34:031
63699120,11cyclictest10891-21sshd10:41:541
63699120,11cyclictest0-21swapper/112:24:341
63599120,11cyclictest8481-21sshd11:16:220
63599120,11cyclictest620-17auditd11:21:430
63599120,11cyclictest31814-21id10:40:520
13532120,0sleep10-21swapper/109:11:451
638991110,0cyclictest0-21swapper/311:33:443
638991110,0cyclictest0-21swapper/309:14:543
63899110,10cyclictest0-21swapper/312:33:443
63899110,10cyclictest0-21swapper/310:56:043
63899110,10cyclictest0-21swapper/309:31:433
63899110,0cyclictest0-21swapper/311:37:233
63899110,0cyclictest0-21swapper/310:49:333
637991110,0cyclictest0-21swapper/212:15:232
637991110,0cyclictest0-21swapper/210:50:332
637991110,0cyclictest0-21swapper/209:34:332
63799110,10cyclictest0-21swapper/211:44:532
63799110,10cyclictest0-21swapper/209:23:542
636991110,0cyclictest6627-21sshd10:50:031
63699110,10cyclictest15382-21lspci11:37:041
63699110,10cyclictest0-21swapper/111:19:531
63699110,10cyclictest0-21swapper/110:02:341
63699110,10cyclictest0-21swapper/109:48:531
63699110,10cyclictest0-21swapper/107:50:131
63599119,1cyclictest22772-21bash11:30:420
63599119,1cyclictest17258-21grep10:09:130
63599119,1cyclictest1026-21sshd12:15:020
635991110,0cyclictest0-21swapper/010:55:330
635991110,0cyclictest0-21swapper/009:59:120
63599110,1cyclictest2465-21lspci10:35:320
63599110,10cyclictest0-21swapper/011:59:120
63599110,10cyclictest0-21swapper/009:37:530
63599110,10cyclictest0-21swapper/008:01:020
63599110,0cyclictest0-21swapper/009:54:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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