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2026-07-10 - 19:13
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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 Fri Jul 10, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20689217221,48sleep020697-21memory19:05:260
215879913341,52cyclictest1408-21nginx22:53:450
215879912356,49cyclictest10250irq/56-4a10000020:11:240
215879912354,29cyclictest1408-21nginx00:39:060
215879912034,33cyclictest13952-21apt-get22:55:320
215879911943,55cyclictest1305-21snmpd00:27:130
215879911835,34cyclictest10705-21ntp_kernel_pll_22:40:360
215879911652,32cyclictest1305-21snmpd23:03:360
215879911354,21cyclictest30923-21munin-run00:00:030
215879911346,48cyclictest1305-21snmpd22:23:270
215879911340,52cyclictest12819-21chrt20:40:560
215879911340,34cyclictest754-21systemd-journal23:28:120
215879911334,24cyclictest24367-21df19:20:170
215879911239,37cyclictest6842-21fw_forwarded_lo22:25:300
215879911237,35cyclictest11948-21munin-run20:40:050
215879911231,30cyclictest1032-21sshd00:07:080
215879911141,50cyclictest28654-21apt-config21:45:080
215879911137,35cyclictest1221-21ntp_states19:55:440
215879911137,34cyclictest1605-21wget00:10:160
215879911130,32cyclictest6882-21host00:30:380
215879911057,42cyclictest22324-21sendmail21:20:020
215879911047,47cyclictest18768-21wget21:05:160
215879910936,19cyclictest18381-21df23:10:190
215879910837,31cyclictest1408-21nginx22:46:560
215879910771,25cyclictest6019-21df20:15:220
215879910763,32cyclictest22377-21runrttasks19:11:340
215879910737,32cyclictest29603-21cut19:40:130
215879910736,33cyclictest8034-21df_inode22:30:190
215879910733,35cyclictest15357-21/usr/sbin/munin20:50:420
215879910660,35cyclictest25080-21runrttasks21:30:150
215879910641,24cyclictest27792-21ntp_states23:46:220
215879910637,49cyclictest14823-21seq20:50:010
215879910536,50cyclictest22553-21wget21:20:140
215879910530,57cyclictest25303-21apt-get19:27:100
215879910456,38cyclictest28916-21/usr/sbin/munin21:45:140
215879910451,37cyclictest4960-21sshd00:23:080
215879910431,55cyclictest3089-21chrt00:15:300
215879910373,21cyclictest1912-21memory22:05:340
215879910356,35cyclictest5229-21munin-run22:20:010
215879910343,40cyclictest3643-21irqstats20:05:310
215879910340,24cyclictest32669-21lockfile-create22:00:020
215879910338,47cyclictest1305-21snmpd19:37:510
215879910333,37cyclictest20735-21seq21:12:280
215879910247,20cyclictest1276-21runrttasks23:38:370
215879910242,21cyclictest20199-21apt-get23:17:080
215879910235,47cyclictest1285-21lldpd22:38:320
215879910231,35cyclictest2316-21diskstats20:00:230
215879910229,36cyclictest17267-21memory23:05:340
215879910161,31cyclictest28619-21aten_r7power_en23:50:200
215879910066,24cyclictest27300-21seq21:40:020
215879910054,35cyclictest31689-21runrttasks00:00:500
21587999972,20cyclictest8576-21seq20:25:280
21587999966,23cyclictest801-21dbus-daemon21:00:000
21587999959,29cyclictest885-21cut22:00:480
21587999871,20cyclictest26000-21seq23:40:330
21587999865,21cyclictest23791-21runrttasks19:17:550
21587999863,24cyclictest30490-21diskstats21:50:230
21587999859,29cyclictest9596-21aten_r7power_cu20:30:130
21587999852,36cyclictest23398-21diskstats23:30:220
21587999840,19cyclictest1276-21runrttasks23:20:270
21587999830,34cyclictest31169-21ntp_states19:45:390
21587999668,19cyclictest24283-21seq21:25:480
21587999565,21cyclictest2857-21aten_r7power_cu22:10:130
21587999538,21cyclictest572-21seq19:54:110
21587999535,19cyclictest17838-21ntp_states21:00:420
21587999229,31cyclictest27045-21/usr/sbin/munin19:30:110
21587999048,32cyclictest7216-21wget20:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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