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2025-12-20 - 18:32
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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 Sat Dec 20, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2027821030,0sleep20-21swapper/211:09:422
261732900,0sleep10-21swapper/110:48:391
195412830,1sleep319539-21lspci10:21:043
30432630,1sleep019295-1kworker/0:1H12:23:450
326812580,0sleep30-21swapper/309:55:133
65462540,0sleep0111rcuc/012:26:420
252692540,0sleep20-21swapper/212:25:332
234922540,1sleep10-21swapper/110:59:121
212882540,0sleep30-21swapper/311:52:523
134252540,0sleep2311rcuc/210:52:552
285802530,0sleep10-21swapper/109:51:181
204302510,0sleep10-21swapper/110:23:551
196632510,1sleep319657-21bash11:01:303
69632490,0sleep20-21swapper/209:22:402
32682490,0sleep20-21swapper/210:30:292
272812490,1sleep227275-21sshd10:45:582
107382490,1sleep010697-21sshd10:36:310
64692480,0sleep00-21swapper/011:59:460
63852480,1sleep11073-21nfsd10:28:071
53032470,0sleep20-21swapper/211:40:422
318092470,0sleep2311rcuc/212:15:182
271242470,0sleep10-21swapper/109:58:031
206952470,0sleep00-21swapper/009:53:580
143402470,0sleep20-21swapper/212:38:092
136152470,0sleep10-21swapper/112:05:401
12862470,1sleep09-21ksoftirqd/010:57:180
7762450,0sleep30-21swapper/311:05:193
67292450,0sleep10-21swapper/110:02:441
58772450,0sleep10-21swapper/112:34:481
282992440,2sleep31104599cyclictest10:46:033
107332296,7sleep10-21swapper/107:07:301
106382298,6sleep20-21swapper/207:06:192
106532276,7sleep00-21swapper/007:06:290
165232240,0sleep00-21swapper/009:13:240
1058722210,7sleep30-21swapper/307:05:393
133092210,0sleep10-21swapper/112:03:011
59762200,0sleep00-21swapper/010:30:420
51172200,0sleep00-21swapper/012:07:430
322412200,0sleep30-21swapper/311:15:593
242262200,0sleep20-21swapper/211:23:282
11035991918,0cyclictest17692-21lspci09:43:221
275822180,1sleep227554-21sshd11:26:242
240352180,0sleep30-21swapper/312:36:153
264292170,0sleep326428-21bash10:29:493
11035991713,1cyclictest32294-21kworker/1:310:44:031
323542160,0sleep032352-21id11:18:450
11035991615,0cyclictest28708-21lspci10:35:181
11035991615,0cyclictest16269-21lspci11:36:161
1102899166,1cyclictest9-21ksoftirqd/012:10:210
1102899165,1cyclictest9-21ksoftirqd/012:00:280
94042150,0sleep00-21swapper/011:49:130
45312150,0sleep20-21swapper/211:46:032
194742150,0sleep09-21ksoftirqd/012:19:460
17272150,0sleep30-21swapper/310:38:303
172372150,0sleep20-21swapper/209:50:122
11035991514,0cyclictest18758-21kworker/1:310:07:401
1102899156,1cyclictest9-21ksoftirqd/011:40:310
50092140,0sleep30-21swapper/310:52:123
200692140,0sleep00-21swapper/010:04:110
11035991414,0cyclictest1516-21kworker/1:110:18:131
11035991413,0cyclictest4415-21kworker/1:111:15:051
11035991413,0cyclictest32327-21kworker/1:011:27:131
11035991413,0cyclictest30176-21kworker/1:211:32:351
11035991413,0cyclictest20333-21kworker/1:012:22:411
1102899145,1cyclictest9-21ksoftirqd/010:29:060
1102899145,1cyclictest9-21ksoftirqd/009:36:480
1102899144,2cyclictest9-21ksoftirqd/011:38:110
11028991413,0cyclictest6894-21kworker/0:007:15:480
32502130,0sleep10-21swapper/111:10:541
324282130,0sleep30-21swapper/312:20:443
184232130,0sleep318425-21bash11:39:103
1103599132,0cyclictest25-21ksoftirqd/111:55:231
11035991312,0cyclictest32327-21kworker/1:011:22:011
11035991312,0cyclictest27639-21kworker/1:311:02:571
11035991312,0cyclictest1078-21kworker/1:112:12:071
11035991311,1cyclictest27253-21kworker/1:009:27:381
11035991311,1cyclictest21391-21kworker/1:309:38:211
1102899136,2cyclictest9-21ksoftirqd/012:39:190
1102899136,1cyclictest9-21ksoftirqd/012:31:290
1102899135,2cyclictest9-21ksoftirqd/009:40:410
1102899135,1cyclictest9-21ksoftirqd/010:51:360
1102899134,2cyclictest9-21ksoftirqd/011:34:070
1102899133,1cyclictest9-21ksoftirqd/011:27:340
1102899133,1cyclictest9-21ksoftirqd/010:43:410
11028991313,0cyclictest9959-21kworker/0:008:32:140
11028991313,0cyclictest22175-21kworker/0:008:59:380
11028991313,0cyclictest13799-21kworker/0:208:37:160
1104599120,11cyclictest1-21systemd11:32:073
1104099120,1cyclictest7910-21sshd11:16:402
1104099120,1cyclictest623-17sedispatch10:25:502
1103599121,1cyclictest131rcu_sched11:54:491
11035991211,0cyclictest30144-21lspci09:21:021
11035991211,0cyclictest19762-21lspci09:19:281
1103599120,11cyclictest22680-21kworker/1:010:54:581
1103599120,11cyclictest16244-21sshd11:47:031
1102899124,1cyclictest9-21ksoftirqd/011:54:500
1102899124,1cyclictest9-21ksoftirqd/011:22:590
1102899124,1cyclictest9-21ksoftirqd/010:20:420
1102899124,1cyclictest660-21avahi-daemon11:11:560
1102899123,1cyclictest9-21ksoftirqd/010:45:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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