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2026-08-12 - 12:27
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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 Tue Aug 11, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7192222534,57sleep00-21swapper/007:05:300
79909917831,19cyclictest1408-21nginx11:44:270
79909917638,16cyclictest10250irq/56-4a10000008:29:030
79909917343,13cyclictest10250irq/56-4a10000009:40:160
79909917033,16cyclictest10250irq/56-4a10000008:39:090
79909916733,30cyclictest10250irq/56-4a10000007:54:010
79909916647,14cyclictest10150irq/55-4a10000009:35:230
79909916631,31cyclictest6102-21wget11:15:140
79909916530,15cyclictest10250irq/56-4a10000011:39:250
79909916248,20cyclictest2019-21/usr/sbin/munin08:50:470
79909916241,15cyclictest10150irq/55-4a10000011:05:150
79909916231,26cyclictest10627-21netstat09:25:360
79909915920,15cyclictest8914-21latency_hist09:20:060
79909915846,94cyclictest3650irq/20-4900000012:12:120
79909915842,18cyclictest17033-21runrttasks07:44:400
79909915840,17cyclictest24586-21runrttasks10:20:210
7990991578,17cyclictest1778-21apt-get11:02:090
79909915730,28cyclictest787-21haveged08:00:170
79909915726,20cyclictest31727-21sshd08:40:260
79909915639,17cyclictest4976-21runrttasks11:10:190
79909915627,19cyclictest26909-21wget12:35:160
79909915441,18cyclictest1276-21runrttasks07:15:280
79909915338,20cyclictest16254-21runrttasks09:48:550
79909915335,18cyclictest9238-21https07:15:050
7990991529,18cyclictest1-21systemd08:10:140
7990991528,19cyclictest651-21ntp_states08:45:410
7990991527,16cyclictest28488-21apt-get08:32:130
79909915234,24cyclictest17387-21df07:45:190
7990991518,53cyclictest22149-21apt-get12:17:130
7990991518,20cyclictest26305-21irqstats08:20:320
7990991518,17cyclictest4294-21seq09:00:270
79909915150,16cyclictest22604-21/usr/sbin/munin08:05:420
79909915143,13cyclictest10150irq/55-4a10000012:08:090
79909915040,18cyclictest20661-21sh10:05:470
79909915034,18cyclictest801-21dbus-daemon11:00:020
79909914842,16cyclictest3861-21seq08:59:370
79909914840,19cyclictest8794-21runrttasks11:25:380
79909914840,17cyclictest6536-21runrttasks09:10:120
79909914838,20cyclictest15023-21runrttasks07:35:370
79909914835,17cyclictest25355-21forks12:30:250
79909914742,18cyclictest232012chrt10:15:150
79909914742,18cyclictest18111-21runrttasks12:02:510
79909914740,12cyclictest10150irq/55-4a10000010:30:310
79909914732,20cyclictest11906-21ntpq09:30:360
79909914646,16cyclictest23833-21cat12:25:030
79909914636,14cyclictest15869-21latency_hist11:55:020
79909914635,22cyclictest754-21systemd-journal07:55:160
79909914635,19cyclictest1-21systemd09:55:480
7990991457,21cyclictest32247-21open_files10:50:430
79909914540,18cyclictest31376-21runrttasks10:47:110
79909914537,21cyclictest258112chrt10:25:190
79909914528,18cyclictest21682-21/usr/sbin/munin10:10:210
79909914449,13cyclictest16621-21grep09:50:130
79909914440,18cyclictest12442-21runrttasks07:25:220
79909914440,17cyclictest14630-21cron11:50:020
79909914440,17cyclictest11349-21runrttasks07:20:370
79909914439,18cyclictest6121-21runrttasks09:07:350
79909914435,20cyclictest24780-21runrttasks12:28:050
79909914338,18cyclictest28856-21runrttasks10:36:590
7990991429,18cyclictest1305-21snmpd09:24:290
79909914253,11cyclictest101ktimersoftd/010:40:220
79909914240,17cyclictest17004-21runrttasks11:59:090
79909914234,19cyclictest24856-21sshd08:15:200
79909914225,22cyclictest19064-21wget10:00:160
79909914140,15cyclictest14014-21sendmail_mailtr07:30:460
79909914035,18cyclictest10980-21latency_hist11:35:030
79909913954,11cyclictest101ktimersoftd/011:20:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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