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2026-08-13 - 22:59
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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 rack7slot0.osadl.org (updated Thu Aug 13, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750620,0irq/25-eth00-21swapper/107:05:121
112750590,0irq/25-eth00-21swapper/307:09:423
112750470,0irq/25-eth00-21swapper/207:05:232
9950460,0irq/24-0000:00:0-21swapper/007:05:520
271180,0ktimersoftd/227002-21sshd12:00:122
16005991614,0cyclictest7918-21diskmemload11:42:540
1600899151,0cyclictest0-21swapper/310:40:133
16006991514,0cyclictest0-21swapper/110:09:321
1600699150,0cyclictest0-21swapper/108:25:151
1600599150,0cyclictest0-21swapper/012:38:390
16008991413,0cyclictest0-21swapper/310:45:093
16008991411,0cyclictest0-21swapper/312:09:503
1600899140,0cyclictest0-21swapper/308:25:113
16007991411,0cyclictest0-21swapper/210:00:012
1600699140,0cyclictest0-21swapper/110:13:081
1600699140,0cyclictest0-21swapper/109:05:171
16005991413,0cyclictest25060-21sshd12:32:450
1600599140,0cyclictest1479-21nfsd11:28:570
112750140,0irq/25-eth00-21swapper/310:55:023
16008991312,0cyclictest0-21swapper/312:31:413
16008991312,0cyclictest0-21swapper/309:23:583
16008991311,0cyclictest0-21swapper/310:33:393
16008991310,0cyclictest0-21swapper/309:55:263
1600899130,0cyclictest0-21swapper/312:18:193
1600899130,0cyclictest0-21swapper/311:02:423
1600899130,0cyclictest0-21swapper/310:22:373
16007991313,0cyclictest0-21swapper/209:42:422
16007991312,0cyclictest21041-21sshd11:34:482
16007991312,0cyclictest0-21swapper/211:29:132
16007991311,0cyclictest5442-21bash09:17:442
16007991311,0cyclictest0-21swapper/212:24:172
1600799130,0cyclictest0-21swapper/210:46:492
16006991312,0cyclictest0-21swapper/112:25:061
16006991312,0cyclictest0-21swapper/112:02:001
16006991312,0cyclictest0-21swapper/111:46:591
16006991311,0cyclictest0-21swapper/112:10:271
16006991311,0cyclictest0-21swapper/111:59:251
16006991311,0cyclictest0-21swapper/110:20:481
1600699130,0cyclictest7918-21diskmemload11:11:141
1600599135,0cyclictest0-21swapper/009:40:180
16005991312,0cyclictest7918-21diskmemload10:37:230
16005991312,0cyclictest15157-21sshd09:35:140
16005991312,0cyclictest0-21swapper/011:45:410
16005991312,0cyclictest0-21swapper/010:58:450
16005991312,0cyclictest0-21swapper/010:20:180
16005991312,0cyclictest0-21swapper/009:20:500
112750130,0irq/25-eth00-21swapper/109:14:561
191120,0ktimersoftd/10-21swapper/109:44:191
16008991212,0cyclictest112750irq/25-eth011:14:543
16008991212,0cyclictest112750irq/25-eth011:06:463
16008991211,0cyclictest954-21sshd09:33:293
16008991211,0cyclictest4896-21sshd11:49:113
16008991211,0cyclictest0-21swapper/312:13:273
16008991211,0cyclictest0-21swapper/311:18:583
16008991211,0cyclictest0-21swapper/310:18:063
16008991210,0cyclictest0-21swapper/309:18:023
1600899120,0cyclictest0-21swapper/312:02:393
1600899120,0cyclictest0-21swapper/311:58:483
1600899120,0cyclictest0-21swapper/309:47:263
16007991211,0cyclictest0-21swapper/212:16:512
16007991211,0cyclictest0-21swapper/210:56:152
16007991211,0cyclictest0-21swapper/210:35:062
16007991210,0cyclictest12778-21sshd11:45:582
16007991210,0cyclictest0-21swapper/211:15:312
16007991210,0cyclictest0-21swapper/209:30:512
1600799120,0cyclictest0-21swapper/212:13:162
1600799120,0cyclictest0-21swapper/211:01:492
1600799120,0cyclictest0-21swapper/210:20:482
1600799120,0cyclictest0-21swapper/209:53:022
16006991211,0cyclictest1539-21sshd10:40:121
16006991211,0cyclictest0-21swapper/111:35:511
1600699120,0cyclictest0-21swapper/109:37:001
1600699120,0cyclictest0-21swapper/109:22:361
16005991211,0cyclictest7918-21diskmemload11:58:070
16005991211,0cyclictest0-21swapper/010:50:230
16005991211,0cyclictest0-21swapper/009:12:350
1600599120,0cyclictest8641-21kworker/0:210:17:450
1600599120,0cyclictest7918-21diskmemload09:28:020
1600599120,0cyclictest0-21swapper/012:20:250
1600599120,0cyclictest0-21swapper/011:34:320
1600599120,0cyclictest0-21swapper/009:31:380
112750120,0irq/25-eth026300-21sshd11:23:103
112750120,0irq/25-eth020340-21sshd09:31:471
112750120,0irq/25-eth00-21swapper/310:35:243
41110,0ktimersoftd/026338-21sshd11:02:350
41110,0ktimersoftd/023088-21ntp_states08:30:190
1600899119,0cyclictest0-21swapper/308:01:503
1600899118,0cyclictest0-21swapper/310:04:443
16008991111,0cyclictest0-21swapper/312:26:493
16008991111,0cyclictest0-21swapper/309:08:453
16008991111,0cyclictest0-21swapper/307:47:323
16008991110,0cyclictest0-21swapper/311:35:273
16008991110,0cyclictest0-21swapper/308:37:223
1600899110,0cyclictest17515-21sshd09:11:033
1600899110,0cyclictest0-21swapper/308:32:023
1600899110,0cyclictest0-21swapper/307:13:583
16007991111,0cyclictest22609-21sshd11:43:102
16007991111,0cyclictest0-21swapper/211:37:362
16007991111,0cyclictest0-21swapper/210:05:562
16007991111,0cyclictest0-21swapper/208:05:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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