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2025-06-14 - 10:45
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot3.osadl.org (updated Sat Jun 14, 2025 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16692211197sleep30-21swapper/319:06:375
16788210995sleep100-21swapper/1019:07:572
13821210994sleep90-21swapper/919:05:0811
15639210694sleep10-21swapper/119:05:361
16680210592sleep60-21swapper/619:06:298
2963450990irq/53-eth0-rx-0-21swapper/519:05:307
2963450930irq/53-eth0-rx-0-21swapper/419:05:086
2963450920irq/53-eth0-rx-0-21swapper/719:09:059
12250840irq/42-ahci0-21swapper/219:08:524
1698027266sleep00-21swapper/019:09:470
12250720irq/42-ahci0-21swapper/819:08:5210
1382325753sleep110-21swapper/1119:05:103
17120994137cyclictest0-21swapper/119:33:281
17120993832cyclictest0-21swapper/120:51:441
1713299373cyclictest0-21swapper/321:15:245
17120993733cyclictest201ksoftirqd/100:05:161
17120993733cyclictest0-21swapper/121:58:011
1713999363cyclictest0-21swapper/1021:24:082
1713999362cyclictest0-21swapper/1022:53:492
1713699363cyclictest0-21swapper/722:05:329
1713699363cyclictest0-21swapper/720:55:229
1713599362cyclictest0-21swapper/621:48:538
1713599361cyclictest0-21swapper/623:53:248
1713599361cyclictest0-21swapper/623:53:248
17120993632cyclictest0-21swapper/123:20:541
1712099363cyclictest0-21swapper/122:07:141
1712099363cyclictest0-21swapper/121:02:261
1712099363cyclictest0-21swapper/119:12:361
1712099362cyclictest29732-21chrt20:09:181
1712099362cyclictest29732-21chrt20:09:181
1712099362cyclictest24635-21munin-node22:15:161
1712099361cyclictest0-21swapper/123:15:241
1712099361cyclictest0-21swapper/123:14:461
1712099361cyclictest0-21swapper/119:59:501
17109993617cyclictest0-21swapper/019:12:030
1714099351cyclictest0-21swapper/1121:02:023
1713999353cyclictest0-21swapper/1019:33:442
1713699352cyclictest0-21swapper/723:11:539
1713699351cyclictest0-21swapper/720:10:329
1713699351cyclictest0-21swapper/720:10:319
1713699350cyclictest0-21swapper/721:24:469
1713699350cyclictest0-21swapper/720:34:579
1713599351cyclictest0-21swapper/600:31:258
17120993531cyclictest0-21swapper/123:35:481
1712099353cyclictest0-21swapper/122:04:001
1712099352cyclictest0-21swapper/123:46:421
1712099352cyclictest0-21swapper/122:50:391
1712099352cyclictest0-21swapper/122:43:381
1712099352cyclictest0-21swapper/122:10:081
1712099352cyclictest0-21swapper/121:40:271
1712099352cyclictest0-21swapper/119:52:411
1712099352cyclictest0-21swapper/119:21:261
1712099352cyclictest0-21swapper/100:17:021
1712099351cyclictest0-21swapper/123:05:001
1712099351cyclictest0-21swapper/120:56:561
1712099350cyclictest0-21swapper/123:51:061
1712099350cyclictest0-21swapper/123:51:051
1712099350cyclictest0-21swapper/122:35:391
1712099350cyclictest0-21swapper/121:11:051
1712099350cyclictest0-21swapper/120:16:191
1712099350cyclictest0-21swapper/100:37:141
1712099350cyclictest0-21swapper/100:13:261
1713999341cyclictest0-21swapper/1022:16:012
1713999341cyclictest0-21swapper/1021:30:172
1713699342cyclictest0-21swapper/723:02:169
1713699342cyclictest0-21swapper/720:41:419
1713699341cyclictest0-21swapper/722:31:039
1712099343cyclictest0-21swapper/121:18:021
1712099343cyclictest0-21swapper/121:06:091
1712099343cyclictest0-21swapper/120:37:481
1712099342cyclictest0-21swapper/120:23:541
1712099342cyclictest0-21swapper/120:23:541
1712099341cyclictest0-21swapper/123:26:081
1712099341cyclictest0-21swapper/123:26:081
1712099341cyclictest0-21swapper/122:56:481
1712099341cyclictest0-21swapper/121:35:141
1712099341cyclictest0-21swapper/120:03:441
1712099341cyclictest0-21swapper/119:38:361
1712099341cyclictest0-21swapper/100:30:341
1712099340cyclictest0-21swapper/123:56:121
1712099340cyclictest0-21swapper/123:40:341
1712099340cyclictest0-21swapper/123:08:351
1712099340cyclictest0-21swapper/100:27:131
1712099340cyclictest0-21swapper/100:21:061
1713999333cyclictest0-21swapper/1022:27:582
1713999331cyclictest0-21swapper/1022:22:182
1713999331cyclictest0-21swapper/1022:13:202
1713999331cyclictest0-21swapper/1019:42:452
1713699333cyclictest0-21swapper/723:30:339
1713699331cyclictest0-21swapper/722:53:139
1713499333cyclictest0-21swapper/500:05:217
1712099333cyclictest0-21swapper/123:30:141
1712099333cyclictest0-21swapper/122:20:241
1712099333cyclictest0-21swapper/120:26:501
1712099333cyclictest0-21swapper/120:13:001
1712099333cyclictest0-21swapper/120:13:001
1712099333cyclictest0-21swapper/100:04:261
1712099332cyclictest0-21swapper/120:40:101
1712099332cyclictest0-21swapper/119:25:591
1712099331cyclictest0-21swapper/121:53:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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