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2026-03-12 - 10:28
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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 Thu Mar 12, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64539989524501,4440cyclictest28726-21kworker/0:021:04:010
64539988034505,4275cyclictest26566-21kworker/0:022:41:560
64539987514381,4347cyclictest28726-21kworker/0:021:16:060
64539986284521,4096cyclictest14612-21kworker/0:219:47:170
64539985564272,4224cyclictest6670-21kworker/0:119:22:130
64539984724368,4100cyclictest28726-21kworker/0:020:24:030
64539982514347,3889cyclictest28726-21kworker/0:020:13:100
64539982094209,3986cyclictest6670-21kworker/0:119:14:140
64539981564365,3740cyclictest14612-21kworker/0:219:32:250
64539981244335,3738cyclictest6670-21kworker/0:119:27:010
64539979854195,3774cyclictest2686-21kworker/0:121:47:090
64539978554234,3606cyclictest2686-21kworker/0:121:50:070
64539978243993,3772cyclictest26566-21kworker/0:022:58:000
64539978114184,3576cyclictest28726-21kworker/0:020:32:320
64539976984138,3518cyclictest2891-21kworker/0:200:18:140
64539976473800,3832cyclictest14612-21kworker/0:219:52:290
64539975493974,3560cyclictest18864-21kworker/0:022:23:450
64539975433875,3653cyclictest26566-21kworker/0:023:00:030
64539974903948,3503cyclictest8856-21kworker/0:022:09:390
64539974293840,3575cyclictest18864-21kworker/0:022:25:430
64539972223796,3375cyclictest28726-21kworker/0:020:42:390
64539971913795,3380cyclictest13704-21kworker/0:200:37:050
64539971793996,3169cyclictest14612-21kworker/0:220:00:100
64539971483712,3392cyclictest19924-21kworker/0:023:39:210
64539970933652,3418cyclictest27031-21kworker/0:021:30:260
64539968833769,3109cyclictest28726-21kworker/0:020:54:060
64539968063631,3171cyclictest6670-21kworker/0:119:19:380
64539966653510,3140cyclictest12164-21kworker/0:223:18:010
64539966083474,3119cyclictest27031-21kworker/0:021:28:310
64539964233330,3078cyclictest19924-21kworker/0:023:42:080
64539963953375,3005cyclictest28726-21kworker/0:021:14:030
64539963743293,3066cyclictest30022-21kworker/0:100:01:050
64539963663463,2851cyclictest26566-21kworker/0:022:39:420
64539962943332,2910cyclictest30022-21kworker/0:123:58:170
64539951762720,2441cyclictest28726-21kworker/0:020:08:420
64539949852718,2256cyclictest14612-21kworker/0:219:40:150
64539948812429,2409cyclictest14612-21kworker/0:219:38:390
64539947492391,2343cyclictest12164-21kworker/0:223:20:020
64539925622507,42cyclictest2891-21kworker/0:200:20:130
58992774186,202sleep00-21swapper19:06:030
64539950818,420cyclictest27372-21df_abs23:50:450
64539949950,208cyclictest19305-21diskmemload23:05:170
64539949819,407cyclictest17927-21sort21:05:230
64539949121,408cyclictest31293-21ntp_states21:35:220
64539948450,373cyclictest32111-21strings20:15:470
64539948418,405cyclictest17267-21timerwakeupswit23:26:550
64539947237,435cyclictest0-21swapper20:29:000
64539947123,388cyclictest14619-21kworker/u2:100:34:410
64539946571,380cyclictest13-21rcuc/022:10:290
64539945872,372cyclictest11-21ksoftirqd/000:05:460
64539945522,373cyclictest8154-21cron20:40:000
64539944978,357cyclictest11-21ksoftirqd/023:32:290
64539944870,365cyclictest13-21rcuc/023:13:000
64539944517,405cyclictest26268-21awk21:25:020
64539944372,86cyclictest4894-21runrttasks23:49:310
64539944282,348cyclictest345450irq/10-yenta22:49:030
64539944264,364cyclictest14506-21munin-node20:55:250
64539944218,409cyclictest2061-21fschecks_time21:41:360
64539944174,353cyclictest11-21ksoftirqd/000:28:220
64539943917,407cyclictest23269-21kworker/u2:222:30:090
64539943864,190cyclictest19305-21diskmemload00:13:180
64539943518,401cyclictest25117-21tr19:56:030
64539942921,338cyclictest10895-21munin-node22:00:530
64539942654,358cyclictest0-21swapper22:17:540
64539942524,387cyclictest7295-21kworker/u2:221:57:520
64539942220,342cyclictest1387-21ssh22:52:420
64539936695,258cyclictest13-21rcuc/020:45:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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