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2026-05-01 - 19:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 792 highest latencies:
System rack7slot8.osadl.org (updated Fri May 01, 2026 02:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13647213170,10sleep013646-21if_err_eth019:05:220
145969917535,15cyclictest10250irq/56-4a10000020:07:340
14596991698,49cyclictest30076-21apt-get22:17:060
145969916837,109cyclictest20570-21awk19:30:450
145969916427,15cyclictest10250irq/56-4a10000022:28:520
14596991627,40cyclictest32713-21diskstats20:20:210
145969916153,87cyclictest10486-21cron23:10:010
145969916038,13cyclictest10150irq/55-4a10000000:28:530
145969916010,17cyclictest14532-21apt-get19:12:080
145969915928,12cyclictest0-21swapper/022:03:280
145969915826,18cyclictest1990-21wget22:35:150
145969915738,106cyclictest32699-21wget00:35:130
145969915729,18cyclictest27130-21chrt19:57:560
145969915639,105cyclictest26394-21ntpq00:10:420
145969915629,106cyclictest29905-21sshd00:24:090
145969915622,19cyclictest1305-21snmpd23:13:450
14596991558,20cyclictest1011-21ntp_states22:30:440
145969915542,102cyclictest801-21dbus-daemon23:20:020
145969915528,18cyclictest18939-21seq23:42:430
145969915526,13cyclictest0-21swapper/019:37:530
14596991548,32cyclictest22289-21latency_hist21:45:040
145969915335,12cyclictest10150irq/55-4a10000023:46:470
145969915333,109cyclictest32604-21latency_hist00:35:030
145969915322,23cyclictest0-21swapper/022:13:300
145969915320,16cyclictest0-21swapper/020:38:070
145969915240,100cyclictest10206-21/usr/sbin/munin21:00:160
145969915232,13cyclictest10150irq/55-4a10000023:30:140
145969915219,31cyclictest787-21haveged00:00:070
14596991518,18cyclictest13315-21/usr/sbin/munin23:20:230
145969915155,85cyclictest14829-21/usr/sbin/munin21:16:360
145969915134,94cyclictest2303-21runrttasks20:28:470
145969915131,20cyclictest15989-21sshd21:20:470
145969915127,18cyclictest27516-21/usr/sbin/munin20:00:340
145969915124,15cyclictest22436-21wget21:45:130
145969915121,30cyclictest787-21haveged20:15:030
145969915116,26cyclictest0-21swapper/020:33:060
145969915038,100cyclictest5255-21seq20:40:160
145969915020,109cyclictest19391-21aten_r7power_en21:35:150
14596991499,17cyclictest28374-21munin-run00:20:030
145969914940,99cyclictest258962chrt19:52:590
145969914940,98cyclictest31378-21cpu20:15:150
145969914937,99cyclictest23316-21cron00:00:070
145969914937,102cyclictest24941-21latency_hist19:50:030
145969914936,16cyclictest12398-21cron21:10:010
145969914914,29cyclictest10250irq/56-4a10000020:52:410
145969914839,97cyclictest18209-21runrttasks21:30:340
145969914836,16cyclictest4436-21aten_r7power_en22:45:130
145969914830,18cyclictest17349-21sshd23:35:470
145969914736,15cyclictest176862chrt21:29:160
145969914735,15cyclictest10150irq/55-4a10000022:55:390
145969914733,12cyclictest0-21swapper/021:10:120
145969914731,15cyclictest25477-21find21:55:470
14596991466,16cyclictest21562-21runrttasks23:50:520
145969914638,96cyclictest24828-21date21:55:030
145969914636,98cyclictest23609-21runrttasks19:44:360
145969914623,22cyclictest1276-21runrttasks20:45:420
145969914428,15cyclictest3382-21fw_forwarded_lo22:40:290
145969914340,91cyclictest27975-21latency_hist22:10:010
145969914336,95cyclictest25638-21runrttasks00:08:190
145969914327,16cyclictest8512-21ntpq23:00:380
145969914238,14cyclictest10150irq/55-4a10000020:55:390
145969914223,24cyclictest0-21swapper/019:22:500
145969914223,15cyclictest754-21systemd-journal19:26:460
14596991417,17cyclictest1305-21snmpd22:22:590
145969914139,92cyclictest15286-21runrttasks23:28:260
145969914137,93cyclictest16606-21runrttasks19:15:340
145969914026,17cyclictest754-21systemd-journal22:53:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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