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2026-08-24 - 11:45
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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 Mon Aug 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650670,0irq/26-eth1-rx-0-21swapper/319:05:173
112750660,0irq/25-eth00-21swapper/119:05:171
9950530,0irq/24-0000:00:0-21swapper/019:05:390
120650430,0irq/26-eth1-rx-0-21swapper/219:08:582
112750200,0irq/25-eth03-21ksoftirqd/022:23:180
2346999170,0cyclictest29047-21sshd23:54:430
23472991612,0cyclictest0-21swapper/322:50:053
2347299160,0cyclictest0-21swapper/321:27:013
2347199162,0cyclictest31354-21sshd22:22:002
23471991514,0cyclictest0-21swapper/221:30:292
23470991514,0cyclictest0-21swapper/123:14:491
2347099151,0cyclictest0-21swapper/121:58:511
2347299140,0cyclictest0-21swapper/321:24:423
2347199140,0cyclictest0-21swapper/222:30:192
2347199140,0cyclictest0-21swapper/219:40:142
2347099140,0cyclictest0-21swapper/120:35:141
2347099140,0cyclictest0-21swapper/119:45:211
112750140,0irq/25-eth015384-21diskmemload21:39:280
112750140,0irq/25-eth00-21swapper/300:12:263
23472991312,0cyclictest0-21swapper/323:21:543
23472991312,0cyclictest0-21swapper/322:13:223
23472991310,0cyclictest15321-21sshd23:34:343
23472991310,0cyclictest0-21swapper/322:42:043
2347299130,0cyclictest0-21swapper/322:19:173
2347299130,0cyclictest0-21swapper/322:01:463
2347299130,0cyclictest0-21swapper/321:39:503
23471991312,0cyclictest30610-21sshd23:28:512
23471991312,0cyclictest15384-21diskmemload22:43:542
23471991312,0cyclictest0-21swapper/223:35:482
23471991312,0cyclictest0-21swapper/223:05:512
23471991312,0cyclictest0-21swapper/222:28:552
23471991312,0cyclictest0-21swapper/221:12:072
23471991311,0cyclictest0-21swapper/221:22:282
23470991312,0cyclictest298632chrt21:26:121
23470991312,0cyclictest2704-21sshd22:48:271
23470991312,0cyclictest15384-21diskmemload21:47:291
23470991312,0cyclictest11984-21sshd23:37:501
23470991312,0cyclictest0-21swapper/123:09:081
23470991312,0cyclictest0-21swapper/122:15:081
23470991311,0cyclictest3001-21sshd23:03:271
23470991311,0cyclictest0-21swapper/100:20:071
23470991310,0cyclictest31780-21atenall_r7power23:40:091
2347099130,0cyclictest28231-21sshd23:47:081
2347099130,0cyclictest0-21swapper/121:40:431
23469991312,0cyclictest0-21swapper/000:36:390
23469991311,0cyclictest0-21swapper/021:17:530
23469991310,0cyclictest0-21swapper/023:07:130
2346999130,0cyclictest21370-21sshd21:47:250
191130,0ktimersoftd/10-21swapper/100:08:441
112750130,0irq/25-eth0810-40kipmi023:40:142
112750130,0irq/25-eth00-21swapper/023:49:200
41120,0ktimersoftd/021226-21sshd22:43:100
41120,0ktimersoftd/00-21swapper/021:05:410
351120,0ktimersoftd/315384-21diskmemload23:12:513
2347299122,0cyclictest0-21swapper/320:00:153
23472991212,0cyclictest0-21swapper/321:14:213
23472991211,0cyclictest15218-21sshd21:50:213
23472991211,0cyclictest0-21swapper/323:58:513
23472991211,0cyclictest0-21swapper/323:03:473
23472991211,0cyclictest0-21swapper/322:47:463
23472991211,0cyclictest0-21swapper/321:57:073
23472991211,0cyclictest0-21swapper/319:10:103
2347299120,0cyclictest112750irq/25-eth022:34:023
2347299120,0cyclictest0-21swapper/323:39:133
23471991211,0cyclictest0-21swapper/221:17:482
23471991210,0cyclictest0-21swapper/221:58:432
23471991210,0cyclictest0-21swapper/200:00:202
2347199120,0cyclictest0-21swapper/222:50:522
2347199120,0cyclictest0-21swapper/222:46:122
2347199120,0cyclictest0-21swapper/222:10:202
2347199120,0cyclictest0-21swapper/222:01:022
2347199120,0cyclictest0-21swapper/219:35:202
2347099123,0cyclictest0-21swapper/100:15:161
23470991212,0cyclictest15384-21diskmemload21:50:501
23470991211,0cyclictest15384-21diskmemload23:33:111
23470991211,0cyclictest0-21swapper/121:37:221
23470991211,0cyclictest0-21swapper/100:27:191
23470991210,0cyclictest0-21swapper/122:57:451
23470991210,0cyclictest0-21swapper/121:10:111
2347099120,0cyclictest0-21swapper/123:17:091
2347099120,0cyclictest0-21swapper/122:35:481
2347099120,0cyclictest0-21swapper/121:32:571
23469991211,0cyclictest30949-21sshd00:20:580
23469991211,0cyclictest2097-21id21:56:200
23469991211,0cyclictest1539-21sshd22:17:370
23469991211,0cyclictest0-21swapper/021:27:110
2346999120,0cyclictest6395-21sshd22:30:160
2346999120,0cyclictest0-21swapper/021:53:060
9950110,0irq/24-0000:00:17719-21sshd23:23:401
41110,0ktimersoftd/013700-21sshd22:01:240
23472991111,0cyclictest0-21swapper/321:40:153
23472991111,0cyclictest0-21swapper/300:33:213
23472991110,0cyclictest0-21swapper/323:47:143
23472991110,0cyclictest0-21swapper/323:09:293
23471991111,0cyclictest0-21swapper/222:39:152
23471991111,0cyclictest0-21swapper/200:17:042
2347199110,0cyclictest7794-21sshd21:49:392
2347199110,0cyclictest0-21swapper/220:41:002
2347199110,0cyclictest0-21swapper/220:37:092
23470991111,0cyclictest0-21swapper/122:50:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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