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2026-03-09 - 16:54
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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 Mon Mar 09, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750690,0irq/25-eth00-21swapper/107:07:361
112750640,0irq/25-eth00-21swapper/307:05:103
112750560,0irq/25-eth00-21swapper/207:06:072
120650460,0irq/26-eth1-rx-0-21swapper/007:08:140
2329699180,0cyclictest0-21swapper/310:10:173
2329599150,0cyclictest0-21swapper/207:15:012
2329399150,0cyclictest0-21swapper/009:50:100
23296991413,0cyclictest0-21swapper/311:27:553
23296991411,0cyclictest112750irq/25-eth012:10:473
23296991411,0cyclictest0-21swapper/311:52:183
23296991411,0cyclictest0-21swapper/311:46:093
2329699140,0cyclictest0-21swapper/311:38:003
2329699140,0cyclictest0-21swapper/309:21:043
2329699140,0cyclictest0-21swapper/309:21:033
2329699140,0cyclictest0-21swapper/308:50:113
2329599141,0cyclictest0-21swapper/210:10:172
2329599140,0cyclictest0-21swapper/210:01:302
23293991413,0cyclictest0-21swapper/011:55:470
23293991411,0cyclictest0-21swapper/010:53:300
23293991411,0cyclictest0-21swapper/009:31:290
23293991411,0cyclictest0-21swapper/009:31:290
2329399140,0cyclictest0-21swapper/009:10:560
112750140,0irq/25-eth00-21swapper/011:35:170
23296991312,0cyclictest2529-21nfsd408:40:163
23296991312,0cyclictest0-21swapper/311:19:333
23296991312,0cyclictest0-21swapper/311:13:073
23296991312,0cyclictest0-21swapper/310:18:553
23296991310,0cyclictest0-21swapper/312:27:163
2329699130,0cyclictest0-21swapper/312:31:273
2329699130,0cyclictest0-21swapper/310:31:133
2329699130,0cyclictest0-21swapper/308:25:153
23295991312,0cyclictest7301-21sshd11:12:342
23295991312,0cyclictest25792-21sshd12:15:052
2329599131,0cyclictest0-21swapper/209:00:172
23294991312,0cyclictest0-21swapper/110:11:051
23294991311,0cyclictest0-21swapper/112:23:171
23294991311,0cyclictest0-21swapper/112:17:071
23294991310,0cyclictest32162-21sshd11:46:071
2329499130,0cyclictest625-21bash11:06:301
23293991312,0cyclictest0-21swapper/011:11:590
2329399130,0cyclictest15222-21diskmemload12:02:100
191130,0ktimersoftd/10-21swapper/111:12:121
112750130,0irq/25-eth00-21swapper/111:54:491
351120,0ktimersoftd/315222-21diskmemload12:35:173
351120,0ktimersoftd/315222-21diskmemload12:35:173
271120,0ktimersoftd/20-21swapper/209:25:352
23296991211,0cyclictest26453-21sshd09:41:093
23296991211,0cyclictest0-21swapper/310:48:593
23296991210,0cyclictest0-21swapper/311:23:443
23296991210,0cyclictest0-21swapper/309:12:003
2329699120,0cyclictest0-21swapper/312:02:383
2329699120,0cyclictest0-21swapper/309:50:213
2329699120,0cyclictest0-21swapper/309:34:323
2329699120,0cyclictest0-21swapper/309:34:313
23295991212,0cyclictest29962-21sshd12:25:252
23295991211,0cyclictest16346-21ntpdc08:00:192
23295991211,0cyclictest0-21swapper/211:37:392
23295991210,0cyclictest6200-21sshd11:27:192
23295991210,0cyclictest0-21swapper/212:37:582
23295991210,0cyclictest0-21swapper/212:37:582
23295991210,0cyclictest0-21swapper/210:47:562
2329599120,0cyclictest11218-21bash10:23:332
2329599120,0cyclictest0-21swapper/212:08:552
2329599120,0cyclictest0-21swapper/212:02:452
2329599120,0cyclictest0-21swapper/211:58:352
2329599120,0cyclictest0-21swapper/211:41:512
2329599120,0cyclictest0-21swapper/210:36:062
2329599120,0cyclictest0-21swapper/208:30:142
2329599120,0cyclictest0-21swapper/207:50:182
23294991212,0cyclictest0-21swapper/109:57:361
23294991211,0cyclictest0-21swapper/111:41:561
23294991211,0cyclictest0-21swapper/111:31:361
23294991210,0cyclictest12464-21sshd10:08:531
2329499120,0cyclictest0-21swapper/110:50:281
2329499120,0cyclictest0-21swapper/110:36:381
2329499120,0cyclictest0-21swapper/109:26:151
2329499120,0cyclictest0-21swapper/109:10:201
23293991211,0cyclictest8684-21bash11:07:480
23293991211,0cyclictest0-21swapper/012:14:290
23293991211,0cyclictest0-21swapper/011:43:130
23293991211,0cyclictest0-21swapper/010:45:230
23293991211,0cyclictest0-21swapper/009:26:500
23293991210,0cyclictest0-21swapper/009:49:370
23293991210,0cyclictest0-21swapper/008:30:160
2329399120,0cyclictest0-21swapper/012:18:440
2329399120,0cyclictest0-21swapper/011:01:390
2329399120,0cyclictest0-21swapper/010:12:090
112750120,0irq/25-eth03750-21sshd09:52:381
23296991111,0cyclictest0-21swapper/311:01:043
23296991110,0cyclictest2574-21sshd09:27:403
23296991110,0cyclictest0-21swapper/310:50:583
2329699110,0cyclictest0-21swapper/310:57:233
23295991111,0cyclictest0-21swapper/211:33:302
23295991111,0cyclictest0-21swapper/211:08:242
23295991111,0cyclictest0-21swapper/210:08:072
23295991110,0cyclictest15972-21sshd10:19:232
23295991110,0cyclictest0-21swapper/212:31:342
23295991110,0cyclictest0-21swapper/211:20:572
23295991110,0cyclictest0-21swapper/211:04:112
23295991110,0cyclictest0-21swapper/210:58:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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