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2026-04-20 - 04:55
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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 Apr 20, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24062790,1sleep22395-21sshd22:00:552
115122730,0sleep20-21swapper/222:12:492
59382720,0sleep10-21swapper/122:59:221
59382720,0sleep10-21swapper/122:59:221
160882620,0sleep30-21swapper/321:48:213
213302600,1sleep321320-21bash21:12:183
321982550,0sleep20-21swapper/222:31:072
150372550,0sleep30-21swapper/323:13:583
94202540,0sleep20-21swapper/222:56:502
94202540,0sleep20-21swapper/222:56:502
308302540,1sleep230833-21bash21:55:102
169102540,0sleep00-21swapper/023:33:290
7402530,0sleep20-21swapper/222:22:582
40402530,0sleep00-21swapper/000:38:500
304772530,0sleep230469-21bash23:48:292
196572530,0sleep10-21swapper/123:00:251
190772530,0sleep00-21swapper/023:44:460
185812530,0sleep10-21swapper/123:22:331
35512520,1sleep33542-21bash00:24:593
70222510,1sleep27024-21bash22:53:542
40352510,0sleep24031-21lspci23:24:062
206302510,1sleep0642-21systemd-logind22:55:040
206302510,1sleep0642-21systemd-logind22:55:040
220762500,0sleep20-21swapper/221:48:532
255062490,0sleep3391rcuc/300:37:533
243622490,0sleep129977-21packagekitd21:28:221
193802490,0sleep20-21swapper/200:15:132
73692480,0sleep30-21swapper/321:44:543
59422480,0sleep30-21swapper/323:21:273
215632480,0sleep121564-21bash21:57:051
180622480,1sleep018063-21bash00:12:180
132612480,0sleep10-21swapper/121:23:051
128572480,0sleep10-21swapper/122:48:521
105232480,0sleep10-21swapper/122:43:071
95592470,0sleep10-21swapper/100:08:511
42552470,0sleep00-21swapper/023:04:450
234492470,0sleep00-21swapper/023:53:240
185212460,1sleep218518-21sshd22:46:332
207412450,0sleep10-21swapper/122:35:391
281542430,0sleep125676-21kworker/1:321:54:571
160402297,7sleep20-21swapper/219:09:052
160582288,7sleep00-21swapper/019:09:180
160912277,7sleep30-21swapper/319:09:463
1609922514,7sleep10-21swapper/119:09:521
302842200,0sleep20-21swapper/222:06:042
89002180,1sleep0111rcuc/000:05:570
263022170,0sleep10-21swapper/123:42:351
247652170,1sleep00-21swapper/021:40:460
270142160,1sleep327010-21sshd23:25:593
1622899161,12cyclictest674-21dbus-daemon00:07:473
99312150,0sleep00-21swapper/023:38:260
82072150,0sleep10-21swapper/122:12:311
37752150,0sleep30-21swapper/300:13:543
322172150,0sleep3391rcuc/300:30:123
310492150,0sleep30-21swapper/322:03:243
264802150,1sleep00-21swapper/023:20:230
259302150,0sleep025927-21lspci21:38:100
240112150,1sleep123980-21sshd23:06:231
233052150,0sleep10-21swapper/119:25:131
1622699150,11cyclictest23195-21lspci21:32:061
105962150,1sleep01622399cyclictest21:56:080
55642140,0sleep30-21swapper/322:17:503
296352140,1sleep329637-21bash21:38:293
16227991413,0cyclictest321ktimersoftd/200:32:112
1622799140,13cyclictest0-21swapper/200:23:032
1622399140,12cyclictest16722-21sshd23:05:430
65362130,0sleep0111rcuc/022:40:010
16228991311,1cyclictest674-21dbus-daemon22:47:573
1622799135,1cyclictest33-21ksoftirqd/222:17:282
16227991313,0cyclictest321ktimersoftd/220:40:492
1622799130,12cyclictest0-21swapper/223:39:332
1622699136,2cyclictest674-21dbus-daemon00:12:541
1622699130,0cyclictest0-21swapper/122:19:261
16223991311,1cyclictest674-21dbus-daemon00:19:330
128842130,1sleep112887-21bash00:25:411
117912130,0sleep00-21swapper/000:31:090
1622899120,1cyclictest7891-21bash00:03:073
1622899120,1cyclictest31197-21grep23:59:373
1622899120,1cyclictest10024-21sshd22:07:073
1622899120,11cyclictest674-21dbus-daemon23:42:273
1622799129,1cyclictest33-21ksoftirqd/223:41:012
1622799122,1cyclictest33-21ksoftirqd/221:37:422
16227991211,0cyclictest321ktimersoftd/223:57:542
16227991210,1cyclictest649-21polkitd22:39:232
1622799120,1cyclictest698-21gdbus21:54:222
1622799120,1cyclictest12920-21forks21:15:122
1622799120,1cyclictest0-21swapper/223:09:432
1622799120,11cyclictest23237-21sshd00:07:132
1622699126,1cyclictest660-21avahi-daemon23:32:021
1622699125,2cyclictest660-21avahi-daemon23:46:231
1622699125,2cyclictest660-21avahi-daemon00:23:101
1622699125,1cyclictest660-21avahi-daemon00:15:381
1622699125,1cyclictest649-21polkitd23:56:221
1622699123,1cyclictest649-21polkitd22:02:011
1622699120,1cyclictest28836-21bash21:17:061
1622699120,1cyclictest1073-21nfsd21:40:061
1622699120,11cyclictest0-21swapper/122:31:261
16223991211,0cyclictest0-21swapper/022:06:330
1622399120,1cyclictest27646-21diskstats20:55:130
1622399120,11cyclictest27672-21sshd23:26:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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