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2026-03-21 - 07:46
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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 all highest latencies:
System rack7slot8.osadl.org (updated Sat Mar 21, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21399222439,56sleep00-21swapper/019:05:070
225989916570,39cyclictest17356-21apt-get23:02:130
225989916383,38cyclictest754-21systemd-journal00:40:000
225989915582,34cyclictest9135-21apt-get22:30:050
225989915481,53cyclictest29852-21chrt23:45:360
225989915479,55cyclictest18991-21apt-get23:06:230
225989915281,20cyclictest13247-21apt-get22:45:500
225989915177,54cyclictest3367-21wget00:10:140
225989915080,50cyclictest8568-21cpu00:30:160
225989915076,38cyclictest4243-21apt-get20:07:100
225989914985,30cyclictest9120-21apt-get22:32:110
225989914982,47cyclictest27589-21chrt19:27:070
225989914978,53cyclictest1305-21snmpd20:18:070
225989914976,36cyclictest24734-21sshd19:17:210
225989914976,19cyclictest29938-21apt-get21:47:080
225989914974,55cyclictest1305-21snmpd23:31:320
225989914972,38cyclictest3504-21ntp_states20:00:390
225989914874,35cyclictest12312-21df22:40:190
225989914792,43cyclictest22744-21apt-get23:17:070
225989914778,48cyclictest17138-21chrt20:55:030
225989914775,20cyclictest24949-21/usr/sbin/munin23:25:430
225989914773,36cyclictest25321-21chrt21:25:280
225989914767,21cyclictest20819-21apt-get21:12:110
225989914682,22cyclictest20820-21munin-run21:10:030
225989914673,35cyclictest22590-21wget21:15:110
225989914673,35cyclictest11818-21sshd20:32:410
225989914673,21cyclictest13675-21df_inode20:40:190
225989914576,49cyclictest1305-21snmpd23:11:280
225989914575,50cyclictest1408-21nginx23:55:020
225989914575,36cyclictest8193-21http00:30:040
225989914481,47cyclictest1276-21runrttasks19:45:120
225989914481,30cyclictest15519-21seq20:47:250
225989914477,47cyclictest22779-21seq19:10:140
225989914476,37cyclictest4658-21wget00:15:130
225989914473,32cyclictest11986-21latency_hist22:40:030
225989914472,34cyclictest2277-21diskstats00:05:230
225989914471,53cyclictest28285-21wget23:40:130
225989914470,20cyclictest27571-21users23:35:480
225989914377,46cyclictest923-21runrttasks00:00:190
225989914377,25cyclictest6093-21cut20:10:130
225989914280,20cyclictest10860-21munin-run20:30:000
225989914079,47cyclictest617-21apt00:00:020
225989914079,41cyclictest30583-21wget19:40:130
225989914072,31cyclictest24698-21sshd21:22:500
225989914056,33cyclictest15183-21df_inode22:50:190
225989913990,38cyclictest4637-21ntp_states22:10:370
225989913990,37cyclictest31919-21fw_forwarded_lo21:50:280
225989913979,20cyclictest451-21/usr/sbin/munin21:55:280
225989913975,23cyclictest26500-21df21:30:160
225989913887,39cyclictest23645-21ntp_states23:20:410
225989913883,42cyclictest16432-21diskstats22:55:220
225989913788,38cyclictest801-21dbus-daemon21:40:010
225989913783,40cyclictest6252-21apt-get22:17:100
225989913779,39cyclictest9275-21chrt20:22:110
225989913775,21cyclictest13337-21cron20:40:000
225989913774,49cyclictest1305-21snmpd19:53:020
225989913767,35cyclictest18650-21df_inode21:00:190
225989913673,44cyclictest7572-21seq22:22:290
225989913587,38cyclictest30413-21cron19:40:010
225989913576,19cyclictest28239-21df19:30:170
225989913574,41cyclictest2933-21latency_hist22:05:030
225989913486,37cyclictest5813-21/usr/sbin/munin00:20:430
225989913476,38cyclictest1305-21snmpd21:40:190
225989913472,41cyclictest25290-21aten_r7power_vo19:20:140
225989913382,40cyclictest17191-21/usr/sbin/munin20:55:100
225989913272,22cyclictest2165-21memory19:55:320
225989913180,40cyclictest3612-21runrttasks22:05:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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