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2026-07-23 - 02:50
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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 highest latencies:
System rack7slot8.osadl.org (updated Wed Jul 22, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2562220428,49sleep00-21swapper/007:06:300
30569917523,21cyclictest18705-21wget12:20:140
30569916429,12cyclictest0-21swapper/007:56:230
30569916420,16cyclictest1408-21nginx11:34:220
3056991638,18cyclictest5409-21apt-get09:27:090
30569916341,111cyclictest10734-21runrttasks11:50:080
3056991627,21cyclictest23332-21apt-get08:32:100
30569916249,98cyclictest101ktimersoftd/010:42:100
30569916236,109cyclictest10250irq/56-4a10000010:49:180
3056991608,36cyclictest1305-21snmpd09:11:430
30569915930,13cyclictest1276-21runrttasks08:50:380
30569915914,15cyclictest13815-21wget09:55:140
30569915818,16cyclictest0-21swapper/007:16:150
30569915816,17cyclictest1408-21nginx07:43:070
30569915811,23cyclictest11279-21ntp_states09:45:410
30569915743,102cyclictest46692chrt11:25:150
30569915733,94cyclictest3227-21apt-key07:10:110
30569915721,18cyclictest7299-21wget07:25:160
30569915719,14cyclictest21511-21latency_hist10:25:030
30569915633,111cyclictest1-21systemd12:35:060
30569915612,35cyclictest22935-21df12:35:200
30569915539,97cyclictest10150irq/55-4a10000010:55:410
30569915526,21cyclictest21656-21wget10:25:120
30569915516,120cyclictest25448-21ntpq08:35:370
3056991547,19cyclictest16354-21diskstats12:10:290
3056991546,18cyclictest19000-21latency_hist10:15:040
3056991546,135cyclictest22413-21df_inode08:25:200
30569915411,18cyclictest1608-21ntpd11:50:370
3056991538,20cyclictest27969-21ntp_states08:45:410
3056991536,18cyclictest17513-21/usr/sbin/munin08:05:300
3056991536,15cyclictest2435-21ntp_states11:15:420
30569915333,12cyclictest10150irq/55-4a10000012:05:440
30569915328,11cyclictest0-21swapper/011:12:150
3056991527,17cyclictest26511-21cat08:40:180
30569915239,102cyclictest14172-21runrttasks07:51:250
3056991518,16cyclictest12013-21apt-get09:52:110
3056991517,16cyclictest32369-21ntp_states11:05:420
30569915151,80cyclictest8950irq/40-mmc108:17:060
3056991515,15cyclictest13051-21sshd07:47:260
30569915124,17cyclictest1408-21nginx07:38:400
30569915121,12cyclictest0-21swapper/010:37:070
30569915036,101cyclictest30907-21ntpq08:56:170
30569915031,17cyclictest318992chrt09:00:200
30569915030,10cyclictest0-21swapper/008:21:280
30569915022,18cyclictest787-21haveged11:35:400
30569914955,86cyclictest9534-21sendmail09:40:010
30569914928,17cyclictest16654-21ntp_states10:05:440
3056991488,20cyclictest18702-21/usr/sbin/munin08:10:280
30569914836,100cyclictest9910-21cat09:40:280
30569914835,101cyclictest20424-21sendmail_mailqu12:25:470
30569914830,106cyclictest23476-21runrttasks10:30:490
30569914829,108cyclictest6701-21runrttasks07:21:170
3056991477,15cyclictest93202sleep011:44:170
3056991469,39cyclictest13663-21/usr/sbin/munin12:00:160
30569914645,90cyclictest3534-21/usr/sbin/munin11:20:250
30569914642,93cyclictest18428-21runrttasks12:19:100
30569914641,94cyclictest17015-21runrttasks08:04:210
3056991459,22cyclictest19574-21seq10:15:440
3056991457,28cyclictest30729-21seq11:00:130
30569914540,91cyclictest3650irq/20-4900000009:20:240
30569914532,14cyclictest12858-21wc11:55:450
30569914531,104cyclictest15028-21aten_r7power_cu10:00:130
30569914522,17cyclictest28228-21/usr/sbin/munin10:50:310
30569914510,41cyclictest7237-21wget09:30:130
30569914448,88cyclictest3138-21wc09:15:160
30569914233,98cyclictest1026-21tr09:05:460
30569913811,30cyclictest8594-21aten_r7power_vo07:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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