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2025-12-18 - 23:27
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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 Dec 18, 2025 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/107:05:131
120650590,0irq/26-eth1-rx-0-21swapper/307:07:173
2617024824,0sleep20-21swapper/207:05:042
112750460,0irq/25-eth00-21swapper/007:07:100
41150,0ktimersoftd/00-21swapper/011:35:000
2834199150,0cyclictest0-21swapper/310:55:163
2834199150,0cyclictest0-21swapper/310:25:173
28340991312,0cyclictest0-21swapper/211:10:272
28340991312,0cyclictest0-21swapper/210:41:512
2834099130,0cyclictest0-21swapper/211:34:092
2834099130,0cyclictest0-21swapper/210:25:152
28339991311,0cyclictest0-21swapper/110:46:531
2833899130,0cyclictest25822-21ntp_states09:50:170
112750130,0irq/25-eth00-21swapper/310:44:393
28341991212,0cyclictest0-21swapper/309:38:533
28341991210,0cyclictest0-21swapper/312:22:343
2834199120,0cyclictest0-21swapper/311:06:293
2834199120,0cyclictest0-21swapper/310:13:593
28340991211,0cyclictest0-21swapper/209:12:122
28340991210,0cyclictest0-21swapper/211:51:332
28340991210,0cyclictest0-21swapper/210:10:442
28340991210,0cyclictest0-21swapper/210:05:022
2834099120,0cyclictest0-21swapper/210:51:022
2834099120,0cyclictest0-21swapper/208:15:172
28339991211,0cyclictest18-21rcuc/109:32:311
28339991211,0cyclictest10963-21strings12:35:151
28339991211,0cyclictest0-21swapper/109:23:201
2833999120,0cyclictest20252-21diskmemload11:24:591
2833999120,0cyclictest0-21swapper/110:58:021
2833999120,0cyclictest0-21swapper/110:12:021
2833899120,0cyclictest0-21swapper/011:10:340
191120,0ktimersoftd/10-21swapper/112:04:071
28341991111,0cyclictest0-21swapper/310:46:513
28341991111,0cyclictest0-21swapper/310:05:023
28341991111,0cyclictest0-21swapper/309:24:443
28341991110,0cyclictest0-21swapper/311:22:593
28341991110,0cyclictest0-21swapper/309:10:133
2834199110,0cyclictest0-21swapper/312:03:513
2834199110,0cyclictest0-21swapper/311:57:083
2834199110,0cyclictest0-21swapper/310:30:573
2834199110,0cyclictest0-21swapper/310:00:503
2834199110,0cyclictest0-21swapper/308:46:593
2834199110,0cyclictest0-21swapper/308:21:103
2834199110,0cyclictest0-21swapper/308:10:573
2834199110,0cyclictest0-21swapper/308:05:433
28340991111,0cyclictest0-21swapper/212:39:402
28340991111,0cyclictest0-21swapper/211:56:482
28340991111,0cyclictest0-21swapper/211:17:102
28340991111,0cyclictest0-21swapper/209:58:402
28340991111,0cyclictest0-21swapper/209:20:542
28340991111,0cyclictest0-21swapper/209:15:052
28340991110,0cyclictest0-21swapper/210:47:202
2834099110,0cyclictest630-21bash12:29:402
2834099110,0cyclictest0-21swapper/212:34:402
2834099110,0cyclictest0-21swapper/211:00:282
2834099110,0cyclictest0-21swapper/209:26:562
28339991111,0cyclictest0-21swapper/111:47:101
28339991110,0cyclictest0-21swapper/111:08:141
28339991110,0cyclictest0-21swapper/110:32:271
28339991110,0cyclictest0-21swapper/108:25:161
28339991110,0cyclictest0-21swapper/108:25:151
2833999110,0cyclictest0-21swapper/111:19:581
2833999110,0cyclictest0-21swapper/109:50:031
28338991111,0cyclictest0-21swapper/007:35:180
28338991110,0cyclictest0-21swapper/011:20:260
191110,0ktimersoftd/10-21swapper/111:52:101
191110,0ktimersoftd/10-21swapper/109:11:161
112750110,0irq/25-eth022103-21sshd11:04:030
41100,0ktimersoftd/022263-21latency_hist08:05:000
41100,0ktimersoftd/00-21swapper/010:15:150
41100,0ktimersoftd/00-21swapper/009:15:190
2834199109,0cyclictest16248-21fw_conntrack11:00:143
2834199109,0cyclictest11314-21sendmail_mailqu12:35:183
2834199109,0cyclictest0-21swapper/311:44:563
2834199109,0cyclictest0-21swapper/309:30:323
2834199109,0cyclictest0-21swapper/308:36:233
2834199109,0cyclictest0-21swapper/308:26:103
2834199109,0cyclictest0-21swapper/308:26:103
28341991010,0cyclictest0-21swapper/312:32:483
28341991010,0cyclictest0-21swapper/311:19:443
28341991010,0cyclictest0-21swapper/311:14:443
28341991010,0cyclictest0-21swapper/309:56:413
28341991010,0cyclictest0-21swapper/309:46:343
28341991010,0cyclictest0-21swapper/309:27:373
28341991010,0cyclictest0-21swapper/307:53:043
28341991010,0cyclictest0-21swapper/307:34:573
28341991010,0cyclictest0-21swapper/307:26:003
2834199100,0cyclictest0-21swapper/311:54:513
2834199100,0cyclictest0-21swapper/309:18:043
2834099109,0cyclictest0-21swapper/212:08:462
2834099109,0cyclictest0-21swapper/211:22:112
2834099109,0cyclictest0-21swapper/210:36:252
2834099109,0cyclictest0-21swapper/210:32:562
2834099108,0cyclictest0-21swapper/208:43:222
28340991010,0cyclictest0-21swapper/211:05:272
28340991010,0cyclictest0-21swapper/209:54:282
28340991010,0cyclictest0-21swapper/209:42:232
28340991010,0cyclictest0-21swapper/207:37:232
2834099100,0cyclictest0-21swapper/211:49:502
2833999109,0cyclictest20252-21diskmemload10:02:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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