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2026-09-03 - 20:25
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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 the 100 highest latencies:
System rackdslot0.osadl.org (updated Thu Sep 03, 2026 12:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1802899294,18cyclictest18587-21perf09:05:000
1803099247,2cyclictest3983-21H222:10:212
1802999220,18cyclictest0-21swapper/108:00:211
1803099214,16cyclictest3987-21H222:10:212
1803099214,11cyclictest0-21swapper/209:13:322
1803099214,11cyclictest0-21swapper/209:13:322
1803099210,20cyclictest0-21swapper/207:43:162
18028992115,5cyclictest0-21swapper/008:40:000
18030992017,2cyclictest3987-21H222:10:212
18030992014,5cyclictest0-21swapper/207:38:372
1803099192,16cyclictest31339-21kernelversion11:20:162
1803099192,16cyclictest24706-21fschecks_time12:05:142
18030991917,1cyclictest0-21swapper/207:21:312
18030991916,2cyclictest3985-21H222:10:212
18030991914,4cyclictest2155-21cpuspeed_turbos08:35:142
1803099191,2cyclictest13305-21cpuspeed_turbos11:45:112
1802999192,16cyclictest4099-21H222:10:211
1802999192,16cyclictest3991-21H222:10:211
1802999192,16cyclictest10328-21smtpd07:50:391
18029991917,1cyclictest0-21swapper/111:45:181
18029991916,2cyclictest755-21if_enp1s012:20:151
1802999190,16cyclictest4099-21H222:10:211
1802899192,2cyclictest27051-21chrt09:16:490
1802899190,2cyclictest13400-21apt-get08:00:020
1802899190,16cyclictest4035-21H222:10:210
1802899190,16cyclictest3987-21H222:10:210
1803099182,15cyclictest28-21ksoftirqd/209:52:502
1803099182,15cyclictest0-21swapper/210:55:312
1803099182,15cyclictest0-21swapper/210:55:302
18030991816,1cyclictest3985-21H222:10:212
18030991816,1cyclictest28-21ksoftirqd/212:28:282
18030991816,1cyclictest28-21ksoftirqd/211:09:012
18030991816,1cyclictest28-21ksoftirqd/211:03:402
18030991816,1cyclictest0-21swapper/211:17:322
18030991815,2cyclictest822-21grep10:25:162
18030991814,3cyclictest4035-21H222:10:212
18030991814,2cyclictest4099-21H222:10:212
1803099181,15cyclictest4035-21H222:10:212
1803099180,3cyclictest399-20systemd-journal08:00:032
1803099180,2cyclictest6717-21ps08:40:212
1803099180,2cyclictest4099-21H222:10:212
1803099180,2cyclictest4099-21H222:10:212
1803099180,2cyclictest3985-21H222:10:212
1803099180,2cyclictest3985-21H222:10:212
1803099180,2cyclictest3976-21H222:10:212
1803099180,17cyclictest3991-21H222:10:212
1803099180,17cyclictest15945-21lxd08:50:442
1803099180,16cyclictest3991-21H222:10:212
1803099180,16cyclictest3989-21H222:10:212
1803099180,16cyclictest3989-21H222:10:212
1803099180,16cyclictest1778-21apache208:25:022
1803099180,16cyclictest0-21swapper/207:25:152
1803099180,15cyclictest3991-21H222:10:212
1802999182,15cyclictest0-21swapper/109:41:371
18029991816,1cyclictest0-21swapper/110:01:161
18029991814,3cyclictest3991-21H222:10:211
18029991814,3cyclictest3976-21H222:10:211
18029991814,3cyclictest3976-21H222:10:211
18029991814,2cyclictest0-21swapper/112:09:591
1802999181,2cyclictest3981-21H222:10:211
1802999181,16cyclictest19241-21grep11:00:001
1802999181,16cyclictest19241-21grep11:00:001
1802999181,15cyclictest0-21swapper/110:05:201
1802999180,2cyclictest4099-21H222:10:211
1802999180,2cyclictest4035-21H222:10:211
1802999180,2cyclictest3987-21H222:10:211
1802999180,2cyclictest3979-21H222:10:211
1802999180,17cyclictest3989-21H222:10:211
1802999180,17cyclictest28432-21package-data-do08:25:001
1802999180,16cyclictest4035-21H222:10:211
1802999180,15cyclictest4099-21H222:10:211
1802899183,1cyclictest0-21swapper/009:47:380
1802899182,1cyclictest0-21swapper/011:15:480
18028991816,1cyclictest10131-21cp11:40:000
18028991815,2cyclictest4010-21uname12:25:160
18028991814,3cyclictest3983-21H222:10:210
18028991814,3cyclictest3979-21H222:10:210
18028991814,3cyclictest0-21swapper/011:30:230
18028991814,3cyclictest0-21swapper/009:10:010
1802899181,16cyclictest0-21swapper/011:25:170
1802899180,3cyclictest3991-21H222:10:210
1802899180,2cyclictest3981-21H222:10:210
1802899180,2cyclictest3981-21H222:10:210
1802899180,1cyclictest4099-21H222:10:210
1802899180,17cyclictest3991-21H222:10:210
1802899180,17cyclictest3989-21H222:10:210
1802899180,17cyclictest3989-21H222:10:210
1802899180,16cyclictest3987-21H222:10:210
1802899180,15cyclictest3989-21H222:10:210
1803099172,1cyclictest0-21swapper/212:35:162
1803099172,1cyclictest0-21swapper/211:55:542
18030991714,2cyclictest3989-21H222:10:212
18030991714,2cyclictest3989-21H222:10:212
18030991714,2cyclictest3987-21H222:10:212
18030991714,2cyclictest28876-21missed_timers09:20:172
18030991714,2cyclictest17659-21ntp_states09:00:182
18030991714,2cyclictest1629-21systemctl12:20:192
18030991714,2cyclictest1300-21lxd10:20:452
1803099171,15cyclictest0-21swapper/209:55:542
1803099170,2cyclictest8697-21fschecks_time08:45:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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