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2026-01-07 - 21:21
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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 Wed Jan 07, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302422870,0sleep330202-21sshd11:56:593
182862760,1sleep018288-21bash11:31:170
179012620,0sleep00-21swapper/010:39:060
122912620,1sleep212284-21sshd11:39:052
161072540,0sleep00-21swapper/012:01:170
140012540,1sleep2311rcuc/212:31:282
249772530,0sleep20-21swapper/211:34:392
3162925240,7sleep30-21swapper/307:08:433
27142520,0sleep10-21swapper/109:33:021
218922520,3sleep2674-21dbus-daemon11:12:252
225202510,0sleep00-21swapper/010:25:400
224712500,0sleep10-21swapper/111:34:261
75132490,0sleep00-21swapper/012:25:200
323882490,0sleep032383-21grep11:29:500
320142490,0sleep10-21swapper/111:24:171
20472490,0sleep30-21swapper/311:54:403
160992490,0sleep20-21swapper/210:58:112
85612480,0sleep30-21swapper/311:22:163
22522470,0sleep00-21swapper/011:54:410
306712460,0sleep10-21swapper/112:13:361
174102460,0sleep30-21swapper/311:12:023
24742400,0sleep00-21swapper/011:10:430
299402286,7sleep20-21swapper/207:05:102
317212276,7sleep10-21swapper/107:09:531
3148722110,7sleep00-21swapper/007:07:000
196072210,1sleep119588-21sshd11:42:231
116212200,0sleep00-21swapper/010:12:060
267762190,0sleep2311rcuc/209:28:242
58172180,0sleep30-21swapper/311:02:493
58172180,0sleep30-21swapper/311:02:483
31849991817,0cyclictest5307-21lspci12:08:402
3183799180,2cyclictest642-21systemd-logind12:05:380
3183799180,1cyclictest18249-21/usr/sbin/munin11:20:180
3183799180,11cyclictest5867-21bash09:36:480
91032170,0sleep30-21swapper/311:27:493
227652170,12sleep375750irq/24-eno1-rx-09:42:073
62652160,0sleep26267-21grep11:16:332
128682160,0sleep11-21systemd12:06:321
123642160,0sleep30-21swapper/310:27:363
31853991512,2cyclictest660-21avahi-daemon10:58:083
3183799154,6cyclictest24763-21sshd10:31:230
263732150,0sleep11-21systemd12:21:291
172782150,0sleep00-21swapper/010:09:190
162572150,0sleep20-21swapper/209:34:322
8592140,0sleep10-21swapper/112:35:511
3184999140,13cyclictest0-21swapper/211:09:442
3183799144,6cyclictest699-21gdbus09:56:330
3183799144,5cyclictest649-21polkitd11:18:540
307212140,0sleep20-21swapper/209:53:232
27422140,0sleep0111rcuc/012:13:590
231632140,0sleep30-21swapper/310:09:583
3184999135,1cyclictest33-21ksoftirqd/210:22:262
31849991312,0cyclictest0-21swapper/212:03:152
3184999131,1cyclictest624-13audispd11:00:192
3184999131,1cyclictest624-13audispd11:00:192
3184999130,11cyclictest21557-21sshd11:26:052
3183799133,2cyclictest16671-21sshd10:44:300
240862130,0sleep1231rcuc/110:53:221
240862130,0sleep1231rcuc/110:53:211
126512130,0sleep20-21swapper/209:14:532
31853991210,1cyclictest16602-21systemd-cgroups11:36:393
3185399120,1cyclictest699-21gdbus12:16:593
3185399120,1cyclictest1-21systemd12:34:283
3184999125,1cyclictest33-21ksoftirqd/210:26:332
3184999121,3cyclictest33-21ksoftirqd/210:07:242
3184999120,1cyclictest9946-21sshd10:35:342
3184999120,1cyclictest20862-21sshd10:42:052
3184999120,1cyclictest131rcu_sched12:16:332
3184299120,1cyclictest18457-21sshd11:09:241
3184299120,11cyclictest17832-21sshd11:36:451
3184299120,11cyclictest0-21swapper/111:18:341
3183799127,4cyclictest29384-21bash10:03:380
3183799120,2cyclictest30796-21sshd11:07:410
3183799120,1cyclictest674-21dbus-daemon09:46:410
3183799120,1cyclictest31972-21lspci09:18:090
3183799120,11cyclictest5901-21sshd12:16:590
213092120,0sleep30-21swapper/312:04:333
172652120,0sleep00-21swapper/010:47:160
3185399119,1cyclictest30958-21lspci11:18:423
3185399119,1cyclictest0-21swapper/312:11:293
3185399110,10cyclictest0-21swapper/311:07:283
3185399110,10cyclictest0-21swapper/309:58:383
3184999118,1cyclictest33-21ksoftirqd/210:48:122
3184999113,2cyclictest33-21ksoftirqd/212:12:482
3184999113,2cyclictest33-21ksoftirqd/210:16:202
3184999111,1cyclictest33-21ksoftirqd/211:52:372
31849991110,0cyclictest0-21swapper/212:29:452
31849991110,0cyclictest0-21swapper/210:12:242
3184999110,10cyclictest0-21swapper/210:51:252
3184999110,10cyclictest0-21swapper/210:51:242
3184299119,1cyclictest27828-21sshd09:46:041
31842991110,0cyclictest0-21swapper/110:39:141
3184299110,0cyclictest18075-21lspci11:50:251
3184299110,0cyclictest0-21swapper/110:46:051
3183799119,1cyclictest15790-21grep12:39:580
3183799115,5cyclictest660-21avahi-daemon11:58:250
3183799115,5cyclictest660-21avahi-daemon11:00:130
3183799115,5cyclictest660-21avahi-daemon11:00:120
3183799115,5cyclictest649-21polkitd11:43:440
3183799114,6cyclictest674-21dbus-daemon12:32:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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