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2026-01-11 - 17:49
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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 rack5slot0.osadl.org (updated Sun Jan 11, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2259321300,1sleep20-21swapper/209:37:152
1909721120,1sleep1139099cyclictest10:32:171
237012960,3sleep10-21swapper/110:46:391
205832920,1sleep0419-21jbd2/dm-0-812:35:150
75429133,54sleep30-21swapper/307:05:333
116222890,1sleep30-21swapper/310:17:363
170032860,3sleep20-21swapper/209:26:172
95628533,48sleep10-21swapper/107:08:081
183662850,1sleep01993-21sshd11:14:080
43332820,1sleep04331-21sshd12:33:290
230952820,0sleep00-21swapper/012:00:110
281662810,2sleep228161-21sshd11:50:122
198612810,3sleep30-21swapper/312:20:593
198612810,3sleep30-21swapper/312:20:593
185712800,2sleep218574-21bash09:50:342
57322790,2sleep25731-21bash10:03:082
140372790,2sleep114031-21sshd09:46:401
63852780,1sleep30-21swapper/311:19:523
120222770,4sleep0138999cyclictest11:34:270
145052760,3sleep20-21swapper/210:24:572
130082760,1sleep10-21swapper/110:10:441
130082760,1sleep10-21swapper/110:10:441
9992750,2sleep30-21swapper/310:02:373
19192740,2sleep11921-21sshd11:19:211
89327232,12sleep20-21swapper/207:07:202
124242720,3sleep30-21swapper/310:35:083
260132710,1sleep20-21swapper/211:04:272
291202700,4sleep2139199cyclictest09:17:202
229202700,1sleep022917-21sshd09:37:170
231022690,1sleep10-21swapper/111:46:021
87102660,1sleep10-21swapper/110:00:031
78612650,2sleep27854-21sshd11:37:252
18142620,1sleep10-21swapper/109:59:191
95525834,13sleep00-21swapper/007:08:070
258622380,1sleep20-21swapper/210:19:122
294282330,2sleep20-21swapper/212:36:082
115192330,4sleep2139199cyclictest10:55:472
266192320,1sleep10-21swapper/109:13:421
65552300,2sleep30-21swapper/311:26:443
18302300,1sleep10-21swapper/111:12:161
92202280,26sleep2146450irq/28-eth1-rx-10:52:072
286852281,25sleep128450irq/26-ahci[00010:26:211
209792280,3sleep20-21swapper/210:39:312
191352270,1sleep00-21swapper/011:59:470
16312270,2sleep00-21swapper/011:40:170
297282260,2sleep3139299cyclictest09:58:483
286042260,2sleep20-21swapper/209:13:562
145352260,0sleep00-21swapper/010:45:380
84852250,2sleep38476-21tr10:10:193
84852250,2sleep38476-21tr10:10:193
217402250,23sleep3137550irq/27-eth011:07:273
73252230,21sleep1137550irq/27-eth012:23:141
73252230,21sleep1137550irq/27-eth012:23:141
42992230,3sleep1139099cyclictest08:25:181
288852230,21sleep3137550irq/27-eth010:57:443
196632230,2sleep2139199cyclictest10:46:132
163742230,2sleep30-21swapper/310:28:343
90152220,2sleep225-21rcuop/110:34:462
85452220,1sleep3139299cyclictest09:39:183
65342220,1sleep20-21swapper/209:49:262
323392220,2sleep10-21swapper/111:29:391
303302220,20sleep1137550irq/27-eth012:25:391
268912220,0sleep00-21swapper/011:15:040
112812220,0sleep111276-21cp12:02:221
139099210,13cyclictest27384-21sshd11:50:081
138999214,10cyclictest0-21swapper/009:29:120
324832200,2sleep30-21swapper/309:45:143
283042202,16sleep128450irq/26-ahci[00010:50:371
148782200,18sleep3137550irq/27-eth010:49:193
139099200,11cyclictest0-21swapper/110:15:231
103382200,18sleep3137550irq/27-eth011:44:493
79292190,17sleep3137550irq/27-eth012:16:113
267302193,14sleep1137550irq/27-eth011:00:551
251692190,17sleep2137550irq/27-eth009:30:352
185752190,17sleep1137550irq/27-eth009:30:021
139199194,8cyclictest1884-21nfsd12:29:022
138999190,3cyclictest0-21swapper/010:43:010
138999190,18cyclictest0-21swapper/008:10:140
100072190,17sleep110850irq/23-ehci_hcd09:53:151
92802180,16sleep228450irq/26-ahci[00011:48:082
139199184,7cyclictest4811-21sshd10:41:072
139199184,3cyclictest1884-21nfsd12:17:552
1391991812,5cyclictest23144-21sshd09:20:122
139099180,11cyclictest19220-21bash11:21:051
138999188,9cyclictest0-21swapper/009:21:460
138999182,3cyclictest0-21swapper/011:05:560
138999180,17cyclictest0-21swapper/011:22:330
138999180,17cyclictest0-21swapper/010:27:090
138999180,13cyclictest23702-21sshd11:49:460
40332170,2sleep2139199cyclictest11:58:062
139299172,14cyclictest137550irq/27-eth009:14:193
139299171,12cyclictest24455-21sshd10:43:203
139199174,6cyclictest0-21swapper/208:45:232
139199174,4cyclictest14469-21sshd12:34:402
139199174,3cyclictest13011-21sshd10:28:112
139199174,2cyclictest0-21swapper/210:09:392
139199173,2cyclictest0-21swapper/209:40:202
1391991714,2cyclictest0-21swapper/211:27:192
1391991713,3cyclictest1993-21sshd12:00:042
139199170,8cyclictest8559-21sshd12:12:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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