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2025-06-16 - 20:26
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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 rack5slot3.osadl.org (updated Mon Jun 16, 2025 12:50:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1503428984,2sleep60-21swapper/607:05:156
1686928840,42sleep40-21swapper/407:05:284
1696628450,30sleep70-21swapper/707:06:527
1708328046,29sleep50-21swapper/507:08:345
1717427946,29sleep10-21swapper/107:09:511
1718627839,34sleep20-21swapper/207:10:002
1714727845,29sleep30-21swapper/307:09:293
1714427746,26sleep00-21swapper/007:09:250
162302480,0sleep30-21swapper/311:56:313
112172480,0sleep40-21swapper/410:51:154
145882470,0sleep10-21swapper/112:11:261
277422460,0sleep30-21swapper/312:34:333
287012450,0sleep00-21swapper/009:26:000
17616994510,0cyclictest0-21swapper/108:15:171
23042440,1sleep71762299cyclictest09:45:127
1718724336,5sleep30-21swapper/307:10:013
17616993510,0cyclictest0-21swapper/107:10:151
17621993434,0cyclictest0-21swapper/608:18:326
17617993110,21cyclictest0-21swapper/210:31:552
17615992610,8cyclictest101ktimersoftd/008:15:200
17618992410,6cyclictest0-21swapper/308:15:213
17617992423,1cyclictest0-21swapper/212:26:142
17622992323,0cyclictest0-21swapper/711:59:327
1761999232,7cyclictest0-21swapper/407:15:144
17616992322,1cyclictest0-21swapper/109:38:321
1761599235,17cyclictest0-21swapper/007:10:200
17615992316,5cyclictest9-21ksoftirqd/007:15:010
17621992217,2cyclictest1642-21ntpd12:39:186
17620992220,2cyclictest1642-21ntpd12:01:155
1761999225,10cyclictest0-21swapper/409:25:144
1761899220,7cyclictest0-21swapper/308:20:133
17615992120,1cyclictest101ktimersoftd/011:00:250
17617992019,1cyclictest1706-21sendmail-mta12:18:392
1761699200,8cyclictest0-21swapper/108:20:141
17615992013,3cyclictest0-21swapper/009:40:000
17615992010,0cyclictest0-21swapper/011:51:430
17615992010,0cyclictest0-21swapper/011:48:490
17621991914,3cyclictest0-21swapper/607:10:116
17615991918,1cyclictest20595-21munin-node11:32:260
17615991918,1cyclictest20595-21munin-node11:32:250
17615991915,1cyclictest101ktimersoftd/008:20:140
2871521810,4sleep00-21swapper/012:03:010
17622991817,1cyclictest28760-21sh11:30:557
17622991817,1cyclictest28760-21sh11:30:557
1762199181,15cyclictest0-21swapper/607:15:136
17620991818,0cyclictest0-21swapper/512:07:075
17619991816,2cyclictest69450irq/124-eth011:29:184
17619991816,2cyclictest641-21nscd11:46:084
17618991817,1cyclictest1560-21runrttasks12:09:313
17618991810,2cyclictest0-21swapper/307:15:013
17617991818,0cyclictest0-21swapper/212:30:252
17617991815,3cyclictest1585-21lldpd12:37:422
17617991810,0cyclictest0-21swapper/212:10:102
17622991710,4cyclictest0-21swapper/708:20:227
1762299170,1cyclictest0-21swapper/707:10:207
17621991710,7cyclictest0-21swapper/610:58:546
17621991710,0cyclictest0-21swapper/612:09:056
17621991710,0cyclictest0-21swapper/609:36:466
17620991716,1cyclictest1642-21ntpd10:05:585
17620991714,1cyclictest1642-21ntpd09:53:045
17620991713,1cyclictest1642-21ntpd11:01:055
17619991716,1cyclictest3162-21ssh09:14:544
17619991716,0cyclictest69450irq/124-eth007:11:264
17619991713,4cyclictest0-21swapper/411:51:574
17619991713,0cyclictest69450irq/124-eth010:05:294
17619991710,7cyclictest0-21swapper/410:18:064
17618991717,0cyclictest0-21swapper/311:19:353
17618991710,7cyclictest0-21swapper/309:13:093
17617991710,4cyclictest0-21swapper/207:10:182
17617991710,3cyclictest0-21swapper/211:44:192
1761799170,3cyclictest0-21swapper/207:15:132
17616991717,0cyclictest0-21swapper/109:20:021
17616991716,1cyclictest0-21swapper/110:49:081
1761599175,1cyclictest121rcu_preempt12:30:350
17615991710,7cyclictest0-21swapper/012:08:250
17615991710,4cyclictest0-21swapper/011:41:450
17622991613,1cyclictest641-21nscd11:54:127
17622991610,6cyclictest0-21swapper/711:45:037
17622991610,5cyclictest0-21swapper/710:05:157
17621991616,0cyclictest0-21swapper/611:46:186
17621991613,2cyclictest662-21ptp4l12:17:496
17621991610,0cyclictest0-21swapper/612:34:526
17621991610,0cyclictest0-21swapper/612:20:276
17621991610,0cyclictest0-21swapper/611:13:596
17621991610,0cyclictest0-21swapper/610:40:226
17621991610,0cyclictest0-21swapper/610:08:196
17621991610,0cyclictest0-21swapper/609:40:536
17621991610,0cyclictest0-21swapper/609:40:526
17620991610,0cyclictest0-21swapper/508:24:265
17619991616,0cyclictest69450irq/124-eth010:55:194
17619991615,1cyclictest8628-21ssh12:25:034
17619991612,2cyclictest130142sleep412:10:264
17619991612,0cyclictest27936-21apt-get08:20:144
17619991610,0cyclictest0-21swapper/410:34:464
17618991613,0cyclictest18500-21kworker/u16:310:42:273
17618991610,2cyclictest0-21swapper/310:38:143
17618991610,0cyclictest0-21swapper/309:28:193
17617991610,4cyclictest0-21swapper/208:25:122
17617991610,0cyclictest0-21swapper/211:00:322
17616991616,0cyclictest0-21swapper/109:41:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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