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2026-03-29 - 16:44
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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 Sun Mar 29, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232072840,0sleep123177-21sshd11:56:121
243892760,2sleep03162799cyclictest10:58:420
204132730,0sleep00-21swapper/010:36:200
181572720,0sleep30-21swapper/312:20:253
135272640,0sleep213437-21sshd11:14:152
214452550,5sleep321446-21grep12:12:323
54912540,0sleep30-21swapper/309:40:243
106062540,0sleep10-21swapper/109:51:471
232732530,1sleep123268-21lspci09:36:281
125072530,0sleep10-21swapper/111:41:331
125072530,0sleep10-21swapper/111:41:331
289502520,0sleep11-21systemd12:35:091
275162520,0sleep20-21swapper/211:23:412
113222520,0sleep211324-21bash12:14:272
217382510,0sleep30-21swapper/311:20:213
58502500,0sleep10-21swapper/111:24:351
57012500,1sleep25686-21sshd10:48:522
53362500,0sleep10-21swapper/111:16:141
36522490,0sleep03653-21sshd09:53:580
278242490,0sleep10-21swapper/109:22:591
249942490,0sleep20-21swapper/211:59:092
191822490,0sleep10-21swapper/110:58:161
91482480,0sleep20-21swapper/209:40:432
64582470,0sleep20-21swapper/212:19:312
286812470,0sleep00-21swapper/011:20:570
92932410,1sleep39276-21bash10:40:523
3118523934,3sleep30-21swapper/307:05:473
3138822716,7sleep10-21swapper/107:08:221
3147022514,7sleep00-21swapper/007:09:210
156792230,0sleep30-21swapper/311:00:383
3116022210,7sleep20-21swapper/207:05:302
14102220,1sleep31407-21bash11:35:113
269842200,0sleep126979-21lspci10:31:251
168552180,1sleep0101ktimersoftd/012:17:370
151412170,0sleep00-21swapper/012:03:480
130562170,0sleep0111rcuc/011:27:550
94682160,0sleep1231rcuc/110:54:431
40412160,0sleep2311rcuc/210:32:142
305232160,1sleep1642-21systemd-logind09:42:341
3162799156,1cyclictest9-21ksoftirqd/010:11:000
3162799155,1cyclictest9-21ksoftirqd/010:15:130
225482150,0sleep3401ktimersoftd/310:20:083
193462150,0sleep20-21swapper/212:20:322
3162799147,1cyclictest9-21ksoftirqd/012:14:230
3162799146,2cyclictest9-21ksoftirqd/010:42:050
3162799145,2cyclictest9-21ksoftirqd/010:20:110
186302140,0sleep1241ktimersoftd/111:28:241
151482140,0sleep30-21swapper/311:50:043
14622140,0sleep10-21swapper/111:48:551
3164499130,12cyclictest0-21swapper/309:57:383
3163799135,2cyclictest33-21ksoftirqd/210:56:152
3163799134,2cyclictest33-21ksoftirqd/210:06:052
3163799133,3cyclictest33-21ksoftirqd/212:36:332
3163799130,1cyclictest28577-21bash11:42:572
3163799130,1cyclictest28577-21bash11:42:572
3163799130,12cyclictest698-21gdbus11:29:082
3163799130,12cyclictest0-21swapper/209:59:372
3163299130,12cyclictest12767-21sshd10:22:011
3163299130,12cyclictest10897-21lspci10:41:001
3162799135,2cyclictest9-21ksoftirqd/009:24:240
3162799135,1cyclictest9-21ksoftirqd/012:23:000
3162799135,1cyclictest9-21ksoftirqd/010:25:130
3162799134,1cyclictest9-21ksoftirqd/012:06:140
3162799134,1cyclictest9-21ksoftirqd/010:51:260
3162799134,1cyclictest9-21ksoftirqd/009:14:570
3162799133,1cyclictest9-21ksoftirqd/011:46:190
3162799133,1cyclictest9-21ksoftirqd/010:00:290
3162799132,1cyclictest9-21ksoftirqd/009:42:060
31627991311,1cyclictest9-21ksoftirqd/012:37:120
3162799130,12cyclictest0-21swapper/012:29:080
152882130,0sleep00-21swapper/009:33:080
134262130,0sleep10-21swapper/109:29:041
125582130,0sleep012553-21bash11:08:400
52352120,0sleep30-21swapper/312:33:073
31644991210,1cyclictest8104-21bash11:27:283
3164499120,1cyclictest14779-21lspci10:33:093
3164499120,11cyclictest9060-21sshd09:51:393
3164499120,11cyclictest6955-21sshd10:05:093
3164499120,11cyclictest29977-21packagekitd12:39:093
3164499120,11cyclictest12332-21sshd10:00:093
3163799128,1cyclictest33-21ksoftirqd/212:34:132
3163799124,1cyclictest33-21ksoftirqd/210:12:342
3163799124,1cyclictest33-21ksoftirqd/210:01:342
3163799123,3cyclictest33-21ksoftirqd/210:53:102
3163799123,2cyclictest33-21ksoftirqd/209:37:002
3163799123,1cyclictest33-21ksoftirqd/210:15:152
3163799121,2cyclictest649-21polkitd11:55:002
31637991212,0cyclictest321ktimersoftd/211:37:542
31637991212,0cyclictest321ktimersoftd/208:52:152
3163799120,3cyclictest642-21systemd-logind11:05:352
3163799120,1cyclictest1131-21sshd10:23:482
3163799120,1cyclictest0-21swapper/210:43:582
3163299120,1cyclictest802-21sshd11:37:511
3163299120,1cyclictest663-21ModemManager11:54:101
3163299120,1cyclictest0-21swapper/111:10:001
3163299120,11cyclictest20901-21bash10:39:101
3162799125,1cyclictest9-21ksoftirqd/012:33:460
3162799124,2cyclictest9-21ksoftirqd/011:35:000
3162799124,2cyclictest9-21ksoftirqd/010:30:240
3162799124,1cyclictest9-21ksoftirqd/011:50:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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