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2026-05-08 - 03:26
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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 50 highest latencies:
System rack2slot0.osadl.org (updated Fri May 08, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139532870,0sleep30-21swapper/300:19:133
20452770,2sleep22424099cyclictest23:41:422
300202570,0sleep10-21swapper/122:36:541
113362570,0sleep10-21swapper/123:34:081
59972560,0sleep00-21swapper/023:28:030
230222560,1sleep0699-21gdbus00:00:190
191802550,0sleep20-21swapper/223:12:222
45622520,1sleep1241ktimersoftd/122:15:061
92132510,0sleep30-21swapper/321:55:493
42112510,0sleep30-21swapper/322:34:423
291732510,1sleep2699-21gdbus23:55:162
54752500,0sleep00-21swapper/022:20:410
28412500,0sleep30-21swapper/300:32:143
306832490,0sleep00-21swapper/022:25:420
150852490,0sleep10-21swapper/122:27:111
144992490,1sleep214473-21sshd00:10:462
117462480,2sleep12423799cyclictest22:43:461
318862470,0sleep031887-21grepconf.sh22:00:350
267852470,0sleep10-21swapper/100:25:511
210062470,1sleep2321ktimersoftd/222:41:422
204972460,0sleep10-21swapper/122:22:031
232262390,1sleep0699-21gdbus00:36:480
240482319,7sleep30-21swapper/319:09:003
240742308,7sleep00-21swapper/019:09:170
2378422211,7sleep20-21swapper/219:05:422
2381522116,3sleep10-21swapper/119:06:051
140032190,1sleep0674-21dbus-daemon23:40:000
104352190,0sleep00-21swapper/023:34:030
88732180,0sleep30-21swapper/322:51:533
319372180,1sleep0111rcuc/023:44:220
79292170,0sleep10-21swapper/121:39:011
315952170,0sleep30-21swapper/321:40:593
253122170,0sleep20-21swapper/200:39:502
2423799164,11cyclictest7340-21sshd23:59:011
153882160,0sleep10-21swapper/122:02:001
147192160,1sleep014715-21lspci00:24:540
65542150,0sleep20-21swapper/221:58:282
298842150,0sleep1241ktimersoftd/121:43:411
275492150,0sleep0111rcuc/022:36:400
195762150,0sleep20-21swapper/221:23:002
172702150,0sleep00-21swapper/021:26:380
164002150,1sleep2321ktimersoftd/221:48:072
321612140,0sleep10-21swapper/123:38:451
191802140,0sleep10-21swapper/123:04:001
157932140,0sleep00-21swapper/023:23:180
124812140,0sleep30-21swapper/323:06:113
120942140,0sleep30-21swapper/322:35:183
297332130,0sleep30-21swapper/322:45:173
283782130,1sleep128375-21sshd22:08:451
24243991311,1cyclictest710-21NetworkManager22:04:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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