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2026-03-16 - 18:19
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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 Mon Mar 16, 2026 12:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1423210994sleep80-21swapper/807:07:4010
1364210893sleep10-21swapper/107:06:571
1312210894sleep20-21swapper/207:06:224
1518210592sleep60-21swapper/607:08:148
1611210297sleep90-21swapper/907:09:2911
47129987sleep30-21swapper/307:05:225
155529285sleep70-21swapper/707:08:399
991950900irq/54-eth0-tx-0-21swapper/407:05:276
991850890irq/53-eth0-rx-0-21swapper/1107:05:373
126527570sleep100-21swapper/1007:05:422
991850710irq/53-eth0-rx-0-21swapper/507:05:137
129626553sleep00-21swapper/007:06:080
1760994526cyclictest0-21swapper/007:17:220
1760993923cyclictest0-21swapper/007:14:400
1809993415cyclictest0-21swapper/1107:12:443
176099330cyclictest0-21swapper/010:29:220
1809993029cyclictest991950irq/54-eth0-tx-10:29:273
180999300cyclictest991850irq/53-eth0-rx-09:12:023
1808993013cyclictest991850irq/53-eth0-rx-10:29:272
1804993029cyclictest12850irq/42-ahci10:29:2210
1773993029cyclictest991850irq/53-eth0-rx-10:29:264
1798992928cyclictest991850irq/53-eth0-rx-10:29:279
1789992927cyclictest991850irq/53-eth0-rx-10:29:267
178999280cyclictest0-21swapper/511:57:107
180899269cyclictest831ksoftirqd/1009:57:362
1780992625cyclictest991850irq/53-eth0-rx-10:29:305
1807992524cyclictest991850irq/53-eth0-rx-10:29:3011
1764992524cyclictest991950irq/54-eth0-tx-10:29:391
180899247cyclictest831ksoftirqd/1009:15:062
180899236cyclictest831ksoftirqd/1010:31:092
1809992120cyclictest0-21swapper/1108:22:383
180899214cyclictest831ksoftirqd/1012:06:572
178099212cyclictest0-21swapper/309:15:495
180899192cyclictest991850irq/53-eth0-rx-11:50:222
180899192cyclictest991850irq/53-eth0-rx-11:22:082
180899192cyclictest991850irq/53-eth0-rx-10:37:122
180899192cyclictest991850irq/53-eth0-rx-10:00:522
180899192cyclictest326532chrt08:32:502
180899192cyclictest326532chrt08:32:502
180799192cyclictest0-21swapper/912:31:3011
180799192cyclictest0-21swapper/912:29:4311
180799192cyclictest0-21swapper/912:24:2811
180799192cyclictest0-21swapper/911:36:0311
180799192cyclictest0-21swapper/911:33:0011
180799192cyclictest0-21swapper/911:33:0011
180799192cyclictest0-21swapper/911:22:3911
180799192cyclictest0-21swapper/911:08:4811
180799192cyclictest0-21swapper/911:08:4811
178099191cyclictest0-21swapper/311:18:585
176099193cyclictest13379-21kworker/0:109:22:540
176099190cyclictest0-21swapper/009:09:100
1809991817cyclictest0-21swapper/1107:27:303
1808991817cyclictest831ksoftirqd/1007:10:152
1808991817cyclictest811rcuc/1010:52:492
1808991817cyclictest0-21swapper/1012:21:452
1808991817cyclictest0-21swapper/1010:48:592
1808991817cyclictest0-21swapper/1010:07:022
1808991817cyclictest0-21swapper/1009:10:252
1808991816cyclictest26722-21kworker/10:110:17:172
180899181cyclictest991950irq/54-eth0-tx-11:48:122
180899181cyclictest991950irq/54-eth0-tx-09:31:412
180899181cyclictest991950irq/54-eth0-tx-07:29:142
180899181cyclictest991850irq/53-eth0-rx-12:31:092
180899181cyclictest991850irq/53-eth0-rx-12:14:372
180899181cyclictest991850irq/53-eth0-rx-11:55:432
180899181cyclictest991850irq/53-eth0-rx-11:40:582
180899181cyclictest991850irq/53-eth0-rx-11:40:582
180899181cyclictest991850irq/53-eth0-rx-11:31:442
180899181cyclictest991850irq/53-eth0-rx-11:31:442
180899181cyclictest991850irq/53-eth0-rx-11:15:582
180899181cyclictest991850irq/53-eth0-rx-11:13:262
180899181cyclictest991850irq/53-eth0-rx-11:05:352
180899181cyclictest991850irq/53-eth0-rx-11:05:352
180899181cyclictest991850irq/53-eth0-rx-10:40:572
180899181cyclictest991850irq/53-eth0-rx-10:24:542
180899181cyclictest991850irq/53-eth0-rx-09:51:332
180899181cyclictest991850irq/53-eth0-rx-09:46:212
180899181cyclictest991850irq/53-eth0-rx-09:38:092
180899181cyclictest991850irq/53-eth0-rx-07:16:292
180899181cyclictest831ksoftirqd/1012:35:012
180899181cyclictest831ksoftirqd/1011:38:242
180899181cyclictest831ksoftirqd/1011:25:222
180899181cyclictest831ksoftirqd/1011:01:092
180899181cyclictest831ksoftirqd/1009:41:392
180899181cyclictest831ksoftirqd/1009:06:422
180899181cyclictest12850irq/42-ahci07:47:302
180899181cyclictest115050irq/18-i801_smb09:25:212
180799181cyclictest28698-21strings09:10:1911
180799181cyclictest0-21swapper/912:16:1811
180799181cyclictest0-21swapper/912:14:3211
180799181cyclictest0-21swapper/912:08:2311
180799181cyclictest0-21swapper/911:59:0411
180799181cyclictest0-21swapper/911:48:3111
180799181cyclictest0-21swapper/910:32:0911
180799181cyclictest0-21swapper/909:59:0111
180799181cyclictest0-21swapper/909:30:4811
180799181cyclictest0-21swapper/909:15:0611
180799181cyclictest0-21swapper/909:05:1811
180799181cyclictest0-21swapper/907:45:2611
1789991816cyclictest19600-21ssh11:40:247
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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