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2026-08-29 - 01:52
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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 all highest latencies:
System rack6slot5.osadl.org (updated Fri Aug 28, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
126329973333664,3618cyclictest15224-21kworker/0:207:19:250
126329971093900,3205cyclictest15224-21kworker/0:207:20:590
126329960543321,2691cyclictest15224-21kworker/0:207:14:080
122732750186,177sleep00-21swapper07:07:410
126329949255,424cyclictest4285-21lldpd10:16:020
126329947597,366cyclictest4285-21lldpd11:47:510
126329947235,437cyclictest0-21swapper10:33:050
126329947037,373cyclictest6582-21munin-node10:55:320
126329946652,240cyclictest5508-21runrttasks08:15:220
126329945392,348cyclictest11-21ksoftirqd/012:20:080
126329945074,363cyclictest25517-21diskmemload11:09:530
12632994440,384cyclictest14619-21runrttasks11:13:590
126329944155,373cyclictest27269-21seq10:28:450
12632994384,420cyclictest25517-21diskmemload09:17:490
12632994384,374cyclictest0-21swapper10:22:150
12632994370,377cyclictest19004-21df07:25:200
12632994365,370cyclictest25517-21diskmemload12:15:070
12632994362,373cyclictest14398-21ls12:26:390
126329943564,358cyclictest13-21rcuc/010:46:550
12632994355,370cyclictest4305-21snmpd09:34:570
12632994351,374cyclictest31966-21sort10:40:050
12632994350,374cyclictest25517-21diskmemload09:24:000
126329943454,88cyclictest26206-21ssh11:40:350
126329943440,380cyclictest1686-21ssh09:29:320
12632994344,370cyclictest16191-21ssh10:01:290
12632994344,369cyclictest6893-21sed12:10:320
12632994322,371cyclictest11-21ksoftirqd/007:57:060
12632994313,359cyclictest25517-21diskmemload12:05:550
12632994310,370cyclictest4944-19udevd09:00:580
126329943067,303cyclictest25517-21diskmemload10:05:280
12632994291,367cyclictest23354-21strings07:35:470
126329942855,188cyclictest4717-21forks10:50:490
12632994260,249cyclictest25517-21diskmemload12:42:190
126329941956,88cyclictest27708-21sh09:15:010
126329941563,301cyclictest23746-21ssh11:35:200
126329941241,357cyclictest0-21swapper12:00:390
126329941040,301cyclictest4924-21runrttasks11:20:070
126329940539,352cyclictest25517-21diskmemload11:01:030
126329940339,351cyclictest10064-21seq08:26:010
126329940233,369cyclictest0-21swapper09:56:480
126329939754,343cyclictest0-21swapper11:59:230
126329939455,339cyclictest0-21swapper11:19:250
12632993933,377cyclictest0-21swapper08:22:150
126329939050,326cyclictest19956-21cron08:55:040
126329939039,338cyclictest351950irq/10-yenta12:39:510
126329939028,302cyclictest13-21rcuc/009:40:100
126329938833,355cyclictest0-21swapper09:07:300
126329938634,352cyclictest0-21swapper08:30:210
126329938632,354cyclictest0-21swapper11:54:280
126329938437,347cyclictest0-21swapper10:44:500
1263299381116,251cyclictest8809-21chrt09:45:300
126329937836,342cyclictest0-21swapper12:30:490
126329937818,360cyclictest0-21swapper08:06:310
126329937735,342cyclictest0-21swapper08:11:190
12632993764,312cyclictest0-21swapper07:45:220
126329937332,341cyclictest0-21swapper09:50:110
126329937056,0cyclictest20918-21uptime07:30:210
12632993702,355cyclictest0-21swapper11:27:200
12632993660,306cyclictest0-21swapper08:48:560
12632993660,306cyclictest0-21swapper08:36:360
126329936289,259cyclictest11-21ksoftirqd/011:30:210
12632993583,340cyclictest6001-21ssh09:38:500
126329935756,242cyclictest14816-21grep08:40:240
12632993553,340cyclictest20915-21ssh10:12:180
12632993510,338cyclictest0-21swapper07:50:110
12632993484,344cyclictest0-21swapper08:00:340
126329934484,202cyclictest4305-21snmpd08:54:230
126329934370,273cyclictest0-21swapper07:42:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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