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2026-04-29 - 17:30
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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 Wed Apr 29, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/107:09:371
120650640,0irq/26-eth1-rx-0-21swapper/307:09:363
120650450,0irq/26-eth1-rx-0-21swapper/207:06:232
112750430,0irq/25-eth00-21swapper/007:05:230
31754991816,0cyclictest23676-21diskmemload11:34:280
112750160,0irq/25-eth00-21swapper/012:02:430
31757991511,0cyclictest0-21swapper/309:37:113
3175499150,0cyclictest0-21swapper/012:10:120
3175499150,0cyclictest0-21swapper/009:30:180
3175499150,0cyclictest0-21swapper/007:25:140
3175799140,0cyclictest0-21swapper/307:20:183
31756991413,0cyclictest0-21swapper/212:34:112
31756991412,0cyclictest0-21swapper/210:23:232
31755991413,0cyclictest0-21swapper/110:43:491
31754991413,0cyclictest0-21swapper/012:29:460
31754991411,0cyclictest0-21swapper/009:26:200
3175499140,0cyclictest0-21swapper/009:58:530
112750140,0irq/25-eth00-21swapper/011:23:330
31757991313,0cyclictest112750irq/25-eth009:24:463
31757991312,0cyclictest0-21swapper/311:43:143
31757991311,0cyclictest0-21swapper/310:53:243
31757991311,0cyclictest0-21swapper/310:23:113
31757991311,0cyclictest0-21swapper/310:09:013
31757991310,0cyclictest22223-21sshd11:01:173
3175799130,0cyclictest16374-21sshd11:56:293
3175799130,0cyclictest0-21swapper/311:45:483
31756991312,0cyclictest25497-21sshd11:06:012
3175699130,0cyclictest0-21swapper/207:25:232
31755991313,0cyclictest0-21swapper/112:37:271
31755991312,0cyclictest27770-21sshd10:31:581
31755991312,0cyclictest0-21swapper/112:16:321
31755991312,0cyclictest0-21swapper/110:20:351
31755991312,0cyclictest0-21swapper/109:52:151
31755991311,0cyclictest0-21swapper/112:00:511
3175599130,0cyclictest0-21swapper/109:47:011
3175599130,0cyclictest0-21swapper/109:37:501
31754991312,0cyclictest0-21swapper/011:29:220
31754991312,0cyclictest0-21swapper/011:06:070
31754991311,0cyclictest0-21swapper/011:02:030
3175499130,0cyclictest12325-21diskstats07:35:090
191130,0ktimersoftd/10-21swapper/111:41:121
112750130,0irq/25-eth028419-21sshd10:01:460
112750130,0irq/25-eth028419-21sshd10:01:460
9950120,0irq/24-0000:00:9413-21sshd10:07:520
31757991211,0cyclictest0-21swapper/310:17:443
31757991210,0cyclictest0-21swapper/311:16:313
31757991210,0cyclictest0-21swapper/309:13:373
3175799120,0cyclictest1480-21nfsd11:05:223
3175799120,0cyclictest0-21swapper/311:38:213
31756991211,0cyclictest2793-21sshd11:15:532
31756991211,0cyclictest25238-21sshd12:10:302
31756991211,0cyclictest0-21swapper/212:22:062
31756991211,0cyclictest0-21swapper/212:01:542
31756991211,0cyclictest0-21swapper/209:05:192
31756991210,0cyclictest0-21swapper/212:16:192
3175699120,0cyclictest0-21swapper/212:06:112
3175699120,0cyclictest0-21swapper/211:21:432
3175699120,0cyclictest0-21swapper/211:01:572
3175699120,0cyclictest0-21swapper/209:22:032
31755991212,0cyclictest0-21swapper/110:01:261
31755991212,0cyclictest0-21swapper/110:01:251
31755991211,0cyclictest18351-21sshd11:52:291
31755991211,0cyclictest0-21swapper/112:22:191
3175599120,0cyclictest0-21swapper/112:31:231
3175599120,0cyclictest0-21swapper/112:25:221
31754991211,0cyclictest0-21swapper/010:33:220
31754991210,0cyclictest0-21swapper/010:51:220
31754991210,0cyclictest0-21swapper/009:24:220
3175499120,0cyclictest25888-21sshd09:44:280
3175499120,0cyclictest0-21swapper/010:56:430
3175499120,0cyclictest0-21swapper/010:12:380
2599120,0migration/219248-21sshd09:43:342
112750120,0irq/25-eth00-21swapper/210:16:462
112750120,0irq/25-eth00-21swapper/009:48:030
31757991111,0cyclictest0-21swapper/312:19:003
31757991110,0cyclictest7168-21sshd11:20:493
31757991110,0cyclictest0-21swapper/311:33:293
31757991110,0cyclictest0-21swapper/310:04:013
31757991110,0cyclictest0-21swapper/310:04:013
31757991110,0cyclictest0-21swapper/309:59:193
3175799110,0cyclictest3350-21sshd12:20:323
3175799110,0cyclictest0-21swapper/312:10:153
3175799110,0cyclictest0-21swapper/312:02:043
3175799110,0cyclictest0-21swapper/309:42:393
3175799110,0cyclictest0-21swapper/309:33:423
3175799110,0cyclictest0-21swapper/308:41:473
3175799110,0cyclictest0-21swapper/308:37:563
3175699119,0cyclictest0-21swapper/208:44:392
31756991111,0cyclictest0-21swapper/210:52:332
31756991111,0cyclictest0-21swapper/210:02:152
31756991111,0cyclictest0-21swapper/210:02:152
31756991111,0cyclictest0-21swapper/209:45:522
31756991110,0cyclictest29434-21sshd11:36:422
31756991110,0cyclictest21168-21bash10:31:042
31756991110,0cyclictest0-21swapper/209:31:142
31756991110,0cyclictest0-21swapper/209:15:012
31756991110,0cyclictest0-21swapper/209:10:542
3175699110,0cyclictest27682-21sshd12:28:102
3175699110,0cyclictest0-21swapper/211:45:132
31755991111,0cyclictest0-21swapper/111:19:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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