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2026-08-11 - 19:22
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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 Tue Aug 11, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/307:09:113
112750640,0irq/25-eth03-21ksoftirqd/007:10:000
112750610,0irq/25-eth00-21swapper/107:05:011
112750560,0irq/25-eth00-21swapper/207:05:162
3267699200,0cyclictest0-21swapper/109:17:181
351180,0ktimersoftd/318489-21sshd12:27:443
3267799160,0cyclictest0-21swapper/211:55:242
32677991514,0cyclictest28-21ksoftirqd/212:27:452
32678991413,0cyclictest0-21swapper/310:14:533
32678991413,0cyclictest0-21swapper/310:14:523
32678991413,0cyclictest0-21swapper/309:25:303
32677991413,0cyclictest0-21swapper/211:12:122
32675991413,0cyclictest0-21swapper/011:41:010
32678991312,0cyclictest24610-21diskmemload10:09:253
32678991312,0cyclictest24610-21diskmemload10:00:493
32678991312,0cyclictest0-21swapper/310:31:003
32678991312,0cyclictest0-21swapper/309:51:593
32678991311,0cyclictest24610-21diskmemload09:19:493
32678991311,0cyclictest0-21swapper/312:30:543
3267899130,0cyclictest10759-21sshd11:24:493
3267899130,0cyclictest0-21swapper/312:22:183
3267899130,0cyclictest0-21swapper/311:33:453
3267899130,0cyclictest0-21swapper/311:12:573
3267899130,0cyclictest0-21swapper/311:01:273
3267899130,0cyclictest0-21swapper/309:55:223
32677991312,0cyclictest0-21swapper/210:20:102
32677991312,0cyclictest0-21swapper/209:15:482
3267799130,0cyclictest0-21swapper/210:45:082
32676991312,0cyclictest0-21swapper/109:42:581
32676991312,0cyclictest0-21swapper/109:25:181
32676991311,0cyclictest0-21swapper/112:40:001
3267699130,0cyclictest28368-21ntp_states09:10:181
3267699130,0cyclictest0-21swapper/112:13:311
3267599130,0cyclictest0-21swapper/009:58:020
112750130,0irq/25-eth00-21swapper/211:54:432
112750130,0irq/25-eth00-21swapper/210:01:202
32678991211,0cyclictest9954-21sshd10:51:353
32678991211,0cyclictest27179-21sshd11:47:283
32678991211,0cyclictest0-21swapper/310:15:553
32678991211,0cyclictest0-21swapper/310:15:553
3267899120,0cyclictest0-21swapper/311:58:233
32677991211,0cyclictest9152-21sshd12:18:182
32677991211,0cyclictest25383-21sshd09:30:342
32677991211,0cyclictest24610-21diskmemload11:49:362
32677991211,0cyclictest0-21swapper/209:57:172
3267799121,0cyclictest0-21swapper/211:15:162
32677991210,0cyclictest20077-21sshd09:13:282
3267799120,0cyclictest19744-21bash09:50:312
3267799120,0cyclictest0-21swapper/212:23:082
3267799120,0cyclictest0-21swapper/211:20:062
3267799120,0cyclictest0-21swapper/210:13:392
3267799120,0cyclictest0-21swapper/210:13:382
3267799120,0cyclictest0-21swapper/209:25:052
32676991211,0cyclictest0-21swapper/112:22:341
32676991211,0cyclictest0-21swapper/112:00:311
32676991211,0cyclictest0-21swapper/111:52:151
32676991210,0cyclictest2103-21sshd10:30:011
32676991210,0cyclictest0-21swapper/110:01:541
3267699120,0cyclictest0-21swapper/110:35:281
3267699120,0cyclictest0-21swapper/110:08:231
32675991211,0cyclictest8920-21sshd11:12:060
32675991211,0cyclictest12850-21sshd10:51:580
32675991211,0cyclictest0-21swapper/010:46:040
32675991211,0cyclictest0-21swapper/009:50:260
32675991211,0cyclictest0-21swapper/008:15:170
3267599121,0cyclictest1478-21nfsd09:42:380
32675991210,0cyclictest26134-21sshd10:08:040
3267599120,0cyclictest25145-21sshd09:34:520
3267599120,0cyclictest0-21swapper/012:13:400
3267599120,0cyclictest0-21swapper/011:55:200
3267599120,0cyclictest0-21swapper/011:04:470
191120,0ktimersoftd/10-21swapper/112:18:511
112750120,0irq/25-eth00-21swapper/209:45:122
112750120,0irq/25-eth00-21swapper/012:06:010
9950110,0irq/24-0000:00:5001-21sshd12:21:510
32678991111,0cyclictest16351-21sshd10:23:283
32678991111,0cyclictest0-21swapper/311:19:493
32678991111,0cyclictest0-21swapper/309:30:583
32678991111,0cyclictest0-21swapper/309:10:303
32678991111,0cyclictest0-21swapper/308:15:213
32678991110,0cyclictest0-21swapper/310:39:373
32678991110,0cyclictest0-21swapper/309:48:373
3267899110,0cyclictest0-21swapper/309:35:223
3267899110,0cyclictest0-21swapper/308:52:593
3267899110,0cyclictest0-21swapper/308:03:513
3267899110,0cyclictest0-21swapper/307:47:343
3267799119,0cyclictest0-21swapper/207:16:432
3267799116,0cyclictest28-21ksoftirqd/212:06:382
32677991111,0cyclictest0-21swapper/207:55:242
32677991110,0cyclictest0-21swapper/211:39:022
32677991110,0cyclictest0-21swapper/211:33:002
32677991110,0cyclictest0-21swapper/211:04:532
32677991110,0cyclictest0-21swapper/210:56:032
3267799110,0cyclictest0-21swapper/211:08:152
3267799110,0cyclictest0-21swapper/210:35:512
3267799110,0cyclictest0-21swapper/208:38:162
3267799110,0cyclictest0-21swapper/207:14:592
32676991111,0cyclictest24610-21diskmemload11:37:591
32676991111,0cyclictest0-21swapper/110:43:011
32676991110,0cyclictest0-21swapper/111:26:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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