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2026-08-30 - 19:11
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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 Sun Aug 30, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/107:05:531
120650640,0irq/26-eth1-rx-0-21swapper/307:05:543
112750600,0irq/25-eth00-21swapper/207:08:102
112750490,0irq/25-eth00-21swapper/007:05:260
351180,0ktimersoftd/313284-21fschecks_time10:20:133
271180,0ktimersoftd/213283-21tune2fs10:20:132
17389991615,0cyclictest0-21swapper/210:33:002
17389991614,0cyclictest7736-21bash12:07:132
1738799160,0cyclictest0-21swapper/010:07:520
1738799160,0cyclictest0-21swapper/008:55:140
17389991514,0cyclictest0-21swapper/210:08:302
1738899151,0cyclictest0-21swapper/110:32:551
17387991512,0cyclictest0-21swapper/011:02:220
112750150,0irq/25-eth015690-21sshd11:27:181
17390991413,0cyclictest0-21swapper/309:59:223
17390991411,0cyclictest0-21swapper/310:40:503
17388991413,0cyclictest31602-21sshd10:55:341
17388991411,0cyclictest0-21swapper/109:48:131
17387991413,0cyclictest0-21swapper/012:31:210
112750140,0irq/25-eth028641-21bash10:03:320
112750140,0irq/25-eth00-21swapper/311:30:133
17390991312,0cyclictest0-21swapper/312:11:483
17390991312,0cyclictest0-21swapper/311:55:463
17390991312,0cyclictest0-21swapper/311:54:223
17390991312,0cyclictest0-21swapper/311:00:083
1739099130,0cyclictest9300-21diskmemload09:33:073
1739099130,0cyclictest0-21swapper/310:53:583
1739099130,0cyclictest0-21swapper/310:47:213
1739099130,0cyclictest0-21swapper/310:17:373
1739099130,0cyclictest0-21swapper/309:53:543
17389991311,0cyclictest0-21swapper/210:48:062
1738999130,0cyclictest0-21swapper/211:50:362
17388991312,0cyclictest0-21swapper/112:04:001
17388991312,0cyclictest0-21swapper/110:35:021
1738899130,0cyclictest16189-21sshd11:19:591
1738899130,0cyclictest0-21swapper/110:43:371
17387991310,0cyclictest0-21swapper/009:35:210
1738799130,0cyclictest0-21swapper/010:19:370
1738799130,0cyclictest0-21swapper/007:20:130
41120,0ktimersoftd/09723-21sshd12:00:060
271120,0ktimersoftd/29719-21sshd12:00:072
17390991211,0cyclictest13204-21sshd12:07:513
17390991211,0cyclictest0-21swapper/312:25:173
17390991211,0cyclictest0-21swapper/311:23:013
17390991211,0cyclictest0-21swapper/310:05:533
17390991211,0cyclictest0-21swapper/310:04:493
17390991210,0cyclictest0-21swapper/309:39:163
17390991210,0cyclictest0-21swapper/309:22:123
1739099120,0cyclictest0-21swapper/309:11:023
17389991212,0cyclictest0-21swapper/210:53:342
17389991212,0cyclictest0-21swapper/210:42:392
17389991211,0cyclictest0-21swapper/211:59:052
17389991211,0cyclictest0-21swapper/211:39:062
17389991211,0cyclictest0-21swapper/211:15:032
17389991210,0cyclictest0-21swapper/212:32:322
17389991210,0cyclictest0-21swapper/212:26:442
1738999120,0cyclictest0-21swapper/211:46:112
1738999120,0cyclictest0-21swapper/211:20:032
1738999120,0cyclictest0-21swapper/210:57:592
1738999120,0cyclictest0-21swapper/209:39:342
17388991212,0cyclictest0-21swapper/107:32:251
17388991211,0cyclictest9300-21diskmemload10:09:271
17388991211,0cyclictest1479-21nfsd12:36:251
17388991211,0cyclictest0-21swapper/109:42:511
17388991210,0cyclictest0-21swapper/111:07:261
17388991210,0cyclictest0-21swapper/110:19:071
17388991210,0cyclictest0-21swapper/109:36:081
17388991210,0cyclictest0-21swapper/109:24:451
1738899120,0cyclictest0-21swapper/109:57:301
1738899120,0cyclictest0-21swapper/109:31:431
17387991210,0cyclictest0-21swapper/012:25:320
17387991210,0cyclictest0-21swapper/009:59:030
1738799120,0cyclictest481-21jbd2/dm-0-810:20:220
1738799120,0cyclictest16489-21sshd10:46:270
1738799120,0cyclictest0-21swapper/012:11:010
1738799120,0cyclictest0-21swapper/010:51:540
1738799120,0cyclictest0-21swapper/010:39:570
1738799120,0cyclictest0-21swapper/009:54:380
1738799120,0cyclictest0-21swapper/009:46:240
1738799120,0cyclictest0-21swapper/009:18:300
112750120,0irq/25-eth09505-21sshd12:18:362
41110,0ktimersoftd/09300-21diskmemload11:17:390
271110,0ktimersoftd/20-21swapper/211:00:322
191110,0ktimersoftd/10-21swapper/109:25:541
17390991110,0cyclictest4966-21sshd11:11:103
17390991110,0cyclictest0-21swapper/312:37:563
17390991110,0cyclictest0-21swapper/311:39:583
1738999119,0cyclictest0-21swapper/212:23:212
1738999115,0cyclictest26847-21pmu-power08:35:182
1738999115,0cyclictest0-21swapper/212:14:592
17389991111,0cyclictest0-21swapper/211:25:032
17389991111,0cyclictest0-21swapper/209:42:562
17389991110,0cyclictest9300-21diskmemload09:25:512
17389991110,0cyclictest899-21rm09:49:202
17389991110,0cyclictest13672-21sshd10:35:062
17389991110,0cyclictest0-21swapper/212:36:292
1738999110,0cyclictest30463-21sshd11:40:092
1738999110,0cyclictest0-21swapper/210:19:102
1738999110,0cyclictest0-21swapper/209:10:192
1738999110,0cyclictest0-21swapper/208:22:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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