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2026-03-12 - 17:37
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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 Mar 12, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/107:05:381
120650640,0irq/26-eth1-rx-0-21swapper/307:05:393
112750560,0irq/25-eth00-21swapper/207:05:162
1715924523,0sleep00-21swapper/007:07:400
112750240,0irq/25-eth00-21swapper/011:49:230
1741199200,0cyclictest0-21swapper/212:30:512
351180,0ktimersoftd/327413-21sshd11:49:233
271180,0ktimersoftd/29308-21diskmemload11:49:232
17412991810,0cyclictest1156-21sshd10:11:533
1741299178,0cyclictest11710-21sshd09:22:493
1741199168,0cyclictest22115-21sshd10:18:552
1740999162,0cyclictest0-21swapper/009:53:010
1741299157,0cyclictest1479-21nfsd10:58:253
17412991511,0cyclictest0-21swapper/312:03:573
1740999155,0cyclictest12451-21sshd12:08:530
17409991514,0cyclictest0-21swapper/012:12:380
1740999150,0cyclictest0-21swapper/010:27:450
112750150,0irq/25-eth00-21swapper/110:50:441
17412991411,0cyclictest0-21swapper/309:31:383
1741299140,0cyclictest5063-21sshd09:13:353
1741299140,0cyclictest0-21swapper/311:10:513
1741199144,0cyclictest1177-21sshd11:58:462
1741199140,0cyclictest24369-21bash10:44:422
17410991413,0cyclictest18241-21bash10:35:161
17410991413,0cyclictest0-21swapper/109:57:451
17410991413,0cyclictest0-21swapper/109:15:281
17410991411,0cyclictest0-21swapper/109:37:331
1740999148,0cyclictest2002-21sshd11:54:360
17409991413,0cyclictest0-21swapper/009:32:050
1740999140,0cyclictest13264-21sshd11:08:510
17412991312,0cyclictest0-21swapper/311:26:393
17412991312,0cyclictest0-21swapper/309:48:093
17412991311,0cyclictest0-21swapper/309:27:133
1741299130,0cyclictest12664-21bash09:39:453
1741299130,0cyclictest0-21swapper/311:06:543
1741199139,0cyclictest13269-21sshd11:43:102
1741199139,0cyclictest13269-21sshd11:43:102
17411991312,0cyclictest0-21swapper/212:13:272
17411991312,0cyclictest0-21swapper/211:19:402
17411991312,0cyclictest0-21swapper/211:05:362
17411991312,0cyclictest0-21swapper/210:22:092
17411991312,0cyclictest0-21swapper/210:06:212
17411991311,0cyclictest0-21swapper/209:28:582
17411991311,0cyclictest0-21swapper/209:24:332
1741199130,0cyclictest0-21swapper/210:10:142
1741099138,0cyclictest30587-21sshd12:06:551
17410991312,0cyclictest29196-21bash11:10:491
17410991312,0cyclictest0-21swapper/111:38:561
17410991311,0cyclictest0-21swapper/110:42:571
1741099130,0cyclictest0-21swapper/112:34:461
1741099130,0cyclictest0-21swapper/111:06:531
17409991311,0cyclictest0-21swapper/010:46:340
1740999130,0cyclictest9308-21diskmemload10:05:200
1740999130,0cyclictest22055-21sshd10:10:190
112750130,0irq/25-eth00-21swapper/312:14:313
9950120,0irq/24-0000:00:17729-21sshd09:57:080
1741299128,0cyclictest32465-21sshd09:50:353
1741299122,0cyclictest810-40kipmi010:35:163
1741299122,0cyclictest0-21swapper/311:17:433
17412991212,0cyclictest0-21swapper/312:00:003
17412991211,0cyclictest9990-21sshd09:18:243
17412991211,0cyclictest17175-21sshd09:40:143
17412991211,0cyclictest0-21swapper/311:30:363
17412991211,0cyclictest0-21swapper/310:18:143
1741299121,0cyclictest0-21swapper/312:09:523
1741299120,0cyclictest4486-21sshd10:33:333
1741299120,0cyclictest25733-21sshd12:23:323
1741299120,0cyclictest12576-21sshd10:21:483
1741299120,0cyclictest0-21swapper/307:40:143
1741199123,0cyclictest478-21sshd12:15:472
17411991211,0cyclictest8828-21fw_forwarded_lo10:00:122
17411991211,0cyclictest0-21swapper/212:36:272
1741199120,0cyclictest7045-21sshd10:25:172
1741199120,0cyclictest411-21sshd09:33:572
1741199120,0cyclictest25448-21bash10:57:342
1741199120,0cyclictest0-21swapper/212:25:042
1741199120,0cyclictest0-21swapper/211:52:542
1741199120,0cyclictest0-21swapper/211:35:542
1741199120,0cyclictest0-21swapper/211:25:572
1741199120,0cyclictest0-21swapper/209:51:442
1741199120,0cyclictest0-21swapper/209:48:072
1741199120,0cyclictest0-21swapper/209:11:182
17410991211,0cyclictest29431-21sshd11:40:551
17410991211,0cyclictest29431-21sshd11:40:551
17410991211,0cyclictest0-21swapper/112:35:181
17410991211,0cyclictest0-21swapper/108:20:181
17410991210,0cyclictest0-21swapper/110:58:451
17410991210,0cyclictest0-21swapper/109:11:041
1741099120,0cyclictest9202-21bash09:26:381
1741099120,0cyclictest3306-21sshd11:16:001
1741099120,0cyclictest0-21swapper/112:25:521
1741099120,0cyclictest0-21swapper/110:26:491
1741099120,0cyclictest0-21swapper/109:33:071
1740999129,0cyclictest8276-21sshd10:42:310
1740999128,0cyclictest790-21sshd12:15:490
1740999124,0cyclictest0-21swapper/009:25:180
17409991211,0cyclictest31110-21sshd11:02:350
17409991211,0cyclictest0-21swapper/012:22:170
17409991211,0cyclictest0-21swapper/011:30:560
17409991211,0cyclictest0-21swapper/010:39:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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