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2026-08-09 - 06:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Sun Aug 09, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9602224990,12sleep07280-1kworker/u3:218:57:450
105629913359,51cyclictest2210-21apt-get00:17:290
105629912953,33cyclictest30779-21apt-get22:32:270
105629912851,51cyclictest1183-21munin-run21:07:100
105629912751,35cyclictest21182-21apt-get20:02:230
105629912653,51cyclictest31175-21apt-get00:07:270
105629912557,43cyclictest19084-21apt-get23:32:260
105629912551,50cyclictest3523-21irqstats21:13:180
105629912550,31cyclictest11738-21apt-get21:37:270
105629912449,51cyclictest11553-21munin-node19:07:170
105629912351,50cyclictest6978-21/usr/sbin/munin22:58:230
105629912348,34cyclictest32509-21apt-get22:37:290
105629912346,55cyclictest5773-21ssh00:27:400
105629912250,49cyclictest3920-21apt-get00:22:260
105629912250,49cyclictest13901-21apt-get23:17:220
105629912249,33cyclictest26632-21ntpq23:53:390
105629912248,51cyclictest4842-21ssh21:17:330
105629912248,50cyclictest13452-21apt-get21:42:270
105629912245,36cyclictest12310-21ssh23:12:400
105629912241,55cyclictest15221-21ssh21:47:290
105629912152,28cyclictest27309-21apt-get22:22:290
105629912148,52cyclictest27727-21/usr/sbin/munin23:58:360
105629912148,52cyclictest22530-21apt-get23:42:270
105629912148,49cyclictest29393-21df_inode22:28:030
105629912146,53cyclictest868-21if_eth000:13:120
105629912146,52cyclictest20773-21fw_conntrack22:03:140
105629912143,36cyclictest29569-21cut00:02:400
105629912059,34cyclictest1777-21apt-get22:42:270
105629912055,28cyclictest17466-21memory21:53:260
105629912050,48cyclictest10003-21/usr/sbin/munin21:33:120
105629912049,32cyclictest11374-21users23:08:560
105629912048,50cyclictest25595-21apt-get22:17:300
105629912045,34cyclictest20818-21apt-get23:37:340
105629911962,40cyclictest19060-21if_err_eth021:58:100
105629911955,47cyclictest2303-21vmstat21:09:040
105629911950,47cyclictest6908-21fw_conntrack21:23:060
105629911948,49cyclictest22108-21apt-get22:07:270
105629911947,49cyclictest15628-21apt-get23:22:260
105629911945,50cyclictest23861-21apt-get22:12:270
105629911945,32cyclictest4126-21/usr/sbin/munin22:48:330
105629911848,35cyclictest6776-21ssh22:56:460
105629911745,49cyclictest27500-21apt-get20:37:230
105629911745,36cyclictest8268-21apt-get21:27:360
105629911745,33cyclictest9335-21ntp_states23:03:380
105629911743,32cyclictest24257-21apt-get23:47:330
105629911741,38cyclictest29186-21latency_hist20:47:070
105629911646,49cyclictest16528-21grep19:33:130
105629911544,50cyclictest19009-21sort23:32:130
105629911539,55cyclictest26273-21find20:28:080
105629911539,52cyclictest30181-21cat20:52:120
105629911442,48cyclictest13934-21sort19:22:100
105629911441,50cyclictest11553-21munin-node19:07:130
105629911438,52cyclictest17638-21wget19:42:300
105629911353,36cyclictest31099-21apt-get20:57:230
105629911342,47cyclictest24115-21sed20:17:390
105629911342,35cyclictest18736-21df_abs19:47:400
105629911240,34cyclictest20585-21fw_conntrack19:57:470
105629911160,27cyclictest14884-21apt-get19:27:230
105629911143,32cyclictest17019-21if_eth019:37:500
105629911054,34cyclictest23000-21/usr/sbin/munin20:13:030
105629911042,48cyclictest27315-21grep20:33:110
105629911040,48cyclictest22255-21wc20:07:360
105629911039,50cyclictest30259-21tr20:52:290
105629911039,33cyclictest19451-21wget19:52:310
105629910951,34cyclictest12197-21apt-get19:12:220
105629910938,32cyclictest14700-21head19:23:100
105629910738,29cyclictest25439-21sort20:23:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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