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2026-05-19 - 01:02
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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 Mon May 18, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46382660,0sleep10-21swapper/111:55:311
67242600,1sleep36718-21sshd10:12:273
125642590,1sleep0674-21dbus-daemon11:56:140
170042580,1sleep017002-21sshd09:45:330
236872570,0sleep10-21swapper/112:38:531
114562560,0sleep211458-21grepconf.sh11:28:092
76702550,0sleep30-21swapper/311:22:133
109152550,0sleep00-21swapper/010:46:090
94302540,0sleep2311rcuc/210:29:242
31302530,0sleep20-21swapper/209:47:112
119872530,2sleep32011999cyclictest09:26:293
76552520,0sleep10-21swapper/111:50:151
74502520,2sleep02010299cyclictest09:42:000
26812520,0sleep00-21swapper/010:14:570
139022520,1sleep30-21swapper/309:59:143
120432520,0sleep00-21swapper/012:37:520
185472510,0sleep30-21swapper/311:48:243
175832510,0sleep1231rcuc/110:52:191
71822500,0sleep37184-21bash11:55:453
304002500,0sleep30-21swapper/311:13:003
141682500,0sleep00-21swapper/011:48:010
223452490,0sleep10-21swapper/111:01:051
220642490,0sleep00-21swapper/010:52:420
12832490,0sleep00-21swapper/012:06:250
184632480,1sleep3642-21systemd-logind12:13:283
179692480,0sleep10-21swapper/110:44:011
326682470,2sleep3401ktimersoftd/311:27:093
244872470,0sleep00-21swapper/011:12:280
224592470,0sleep122460-21lspci12:19:231
196992288,6sleep20-21swapper/207:06:182
1962422210,7sleep30-21swapper/307:05:233
1972322110,7sleep10-21swapper/107:06:371
179712219,7sleep00-21swapper/007:05:000
42662180,0sleep30-21swapper/310:15:033
34202170,0sleep30-21swapper/312:37:073
309052170,1sleep330901-21lspci10:39:353
173422170,0sleep20-21swapper/211:31:252
33992160,0sleep00-21swapper/010:42:440
256712160,1sleep025673-21bash12:16:490
16542160,0sleep21657-21switchtime10:20:202
119492160,0sleep10-21swapper/111:30:561
102262160,1sleep0111rcuc/009:14:240
305772150,0sleep00-21swapper/012:03:230
20113991514,0cyclictest2836-21lspci10:59:272
20113991514,0cyclictest20788-21lspci12:08:062
215652140,0sleep021559-21lspci11:20:330
209192140,0sleep1241ktimersoftd/112:27:311
2010999140,13cyclictest32498-21sshd10:28:361
2010299140,2cyclictest674-21dbus-daemon10:58:100
194042140,0sleep00-21swapper/010:07:590
171892140,0sleep20-21swapper/209:19:152
125782140,0sleep20-21swapper/212:32:212
120822140,0sleep00-21swapper/010:37:570
251152130,0sleep10-21swapper/112:30:371
219312130,0sleep10-21swapper/109:23:471
2011399136,1cyclictest33-21ksoftirqd/211:04:462
20113991312,0cyclictest14660-21lspci10:40:532
2011399130,1cyclictest25408-21df08:40:112
2011399130,12cyclictest674-21dbus-daemon09:50:312
2011399130,12cyclictest10865-21lspci10:04:312
122002130,0sleep10-21swapper/109:26:311
2011999120,11cyclictest29977-21packagekitd09:11:063
2011399125,1cyclictest33-21ksoftirqd/210:46:152
20113991211,0cyclictest32413-21lspci09:25:042
20113991211,0cyclictest14916-21lspci12:21:272
20113991210,1cyclictest6393-21grep10:06:512
20113991210,1cyclictest11915-21sshd12:37:512
2011399120,11cyclictest12401-21sshd11:17:012
20102991210,1cyclictest3527-21sshd12:26:000
2011999110,10cyclictest0-21swapper/310:27:263
2011999110,0cyclictest0-21swapper/309:35:363
2011399116,1cyclictest33-21ksoftirqd/211:20:002
2011399113,1cyclictest33-21ksoftirqd/211:56:132
20113991110,0cyclictest33-21ksoftirqd/210:35:172
20113991110,0cyclictest30006-21lspci12:03:202
20113991110,0cyclictest2980-21lspci12:17:412
20113991110,0cyclictest0-21swapper/212:10:112
2011399110,10cyclictest11431-21sshd09:42:212
2011399110,0cyclictest0-21swapper/212:28:512
2010999119,1cyclictest24779-21sshd12:05:361
20109991110,0cyclictest0-21swapper/112:21:361
20109991110,0cyclictest0-21swapper/111:07:561
20109991110,0cyclictest0-21swapper/110:13:071
2010999110,1cyclictest0-21swapper/110:59:061
2010999110,1cyclictest0-21swapper/110:09:311
2010999110,10cyclictest0-21swapper/112:00:061
2010999110,10cyclictest0-21swapper/110:39:271
2010299110,1cyclictest4821-21bash09:09:310
2010299110,10cyclictest20275-21sshd10:02:300
2010299110,10cyclictest0-21swapper/012:24:500
2010299110,10cyclictest0-21swapper/012:13:100
2010299110,10cyclictest0-21swapper/011:37:400
2010299110,10cyclictest0-21swapper/011:34:300
2010299110,10cyclictest0-21swapper/009:39:100
2010299110,10cyclictest0-21swapper/009:20:210
2011999109,0cyclictest0-21swapper/311:15:563
2011999109,0cyclictest0-21swapper/310:57:563
2011999109,0cyclictest0-21swapper/310:44:263
2011999108,1cyclictest7819-21lspci09:33:473
2011999108,1cyclictest16498-21bash11:42:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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