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2026-04-01 - 03:19
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Wed Apr 01, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4071271993532,2cyclictest24701-21fwupd21:30:562
4071269993229,2cyclictest24701-21fwupd21:30:561
4071269993027,2cyclictest0-21swapper/100:10:001
407126999281,23cyclictest4132331-21apt-get20:10:111
407126999271,21cyclictest4147587-21apt-get20:25:131
4071271992622,2cyclictest45396-21ls21:55:002
4071271992615,3cyclictest4101665-21idleruntime-cro19:40:002
407126999262,4cyclictest66432-21apt-get22:15:101
407126999262,3cyclictest189762-21apt-get00:20:111
407126999262,21cyclictest4178375-21apt-get20:55:121
407126999262,20cyclictest153307-21apt-get23:40:131
407126999261,21cyclictest4106971-21apt-get19:45:121
407126999261,21cyclictest0-21swapper/120:50:121
407126999261,21cyclictest0-21swapper/100:25:131
4071274992521,2cyclictest4086757-21apt-get19:25:123
407127499251,20cyclictest25323-21apt-get21:35:113
407127199252,21cyclictest184708-21apt-get00:15:132
407127199251,3cyclictest81666-21apt-get22:30:112
407127199251,3cyclictest107039-21apt-get22:55:132
407127199251,23cyclictest65874-21apt-config22:15:002
407126999251,21cyclictest0-21swapper/123:50:111
407126999250,5cyclictest4153135-21ps20:30:151
407127499241,21cyclictest4142532-21apt-get20:20:123
407127499241,20cyclictest71484-21apt-get22:20:113
407127499241,20cyclictest30414-21apt-get21:40:103
407127499240,23cyclictest4127282-21taskset20:05:133
407127199241,21cyclictest4143019-21sed20:20:162
407127199241,21cyclictest189762-21apt-get00:20:112
407126999242,2cyclictest5046-21apt-get21:15:131
407126999242,2cyclictest148225-21apt-get23:35:111
4071269992419,3cyclictest4086501-21munin-run19:25:001
4071269992418,3cyclictest3871586-21snmpd23:25:121
407126999241,3cyclictest0-21swapper/122:15:001
407126999241,2cyclictest122426-21apt-get23:10:111
407126999241,21cyclictest45670-21apt-get21:55:131
407126999241,20cyclictest4096864-21apt-get19:35:121
407126999241,20cyclictest168445-21apt-get23:55:121
407126999241,20cyclictest0-21swapper/122:55:131
407126999240,22cyclictest117044-21cron23:05:001
407126999240,20cyclictest4188856-21apt-get21:05:111
407126999240,20cyclictest0-21swapper/121:00:141
407126999240,20cyclictest0-21swapper/119:55:131
407126499242,20cyclictest101989-21apt-get22:50:120
4071264992420,2cyclictest4167823-21apt-get20:45:110
4071264992418,4cyclictest179194-21apt-key00:10:010
407126499241,21cyclictest199850-21apt-get00:30:110
4071274992319,2cyclictest60943-21apt-get22:10:123
4071274992318,4cyclictest4179328-21sort20:55:173
407127499231,2cyclictest4162768-21apt-get20:40:113
407127499231,21cyclictest200341-21sort00:30:163
407127499230,22cyclictest66399-21apt-get22:15:033
4071271992319,2cyclictest4152640-21apt-get20:30:112
4071271992319,2cyclictest194797-21apt-get00:25:132
4071271992319,2cyclictest14909-21awk21:25:002
407127199231,20cyclictest4173321-21apt-get20:50:112
407127199231,20cyclictest117311-21apt-get23:05:122
407127199230,4cyclictest205442-21irqcore00:35:162
407127199230,3cyclictest64-21kcompactd021:26:592
407127199230,3cyclictest184429-21cron00:14:592
4071269992320,2cyclictest173504-21apt-get00:00:111
4071269992319,2cyclictest96571-21cron22:44:591
4071269992319,2cyclictest4193919-21apt-get21:10:131
4071269992319,2cyclictest4193919-21apt-get21:10:131
4071269992319,2cyclictest4137430-21apt-get20:15:111
4071269992319,2cyclictest0-21swapper/121:35:121
4071269992318,3cyclictest128007-21irqcore23:15:151
407126999231,2cyclictest0-21swapper/100:10:081
407126999231,21cyclictest0-21swapper/123:20:141
407126999230,2cyclictest0-21swapper/122:50:121
407126999230,22cyclictest4171928-21chrt20:45:231
407126999230,20cyclictest0-21swapper/119:40:121
407126999230,19cyclictest0-21swapper/121:45:131
407126499231,2cyclictest4127278-21apt-get20:05:130
407126499231,2cyclictest4081665-21apt-get19:20:140
407126499231,2cyclictest127517-21apt-get23:15:100
407126499231,20cyclictest10081-21apt-get21:20:120
407126499231,20cyclictest0-21swapper/022:10:160
4071274992219,2cyclictest162325-21ntpq23:45:213
4071274992219,1cyclictest40577-21apt-get21:50:123
4071274992217,4cyclictest189492-21idleruntime-cro00:20:003
407127499221,1cyclictest4117126-21apt-get19:55:143
407127499220,3cyclictest131470-21chrt23:15:203
407127499220,2cyclictest90671-21ntpq22:35:203
407127499220,2cyclictest133501-21ps23:20:183
407127499220,20cyclictest0-21swapper/323:40:133
407127499220,19cyclictest0-21swapper/323:05:113
407127499220,19cyclictest0-21swapper/319:10:123
4071271992219,2cyclictest112154-21apt-get23:00:142
4071271992219,2cyclictest0-21swapper/221:15:132
4071271992219,2cyclictest0-21swapper/220:35:112
407127199221,20cyclictest4111778-21cron19:50:012
407127199221,20cyclictest0-21swapper/221:10:212
407127199221,20cyclictest0-21swapper/221:10:212
407127199221,1cyclictest0-21swapper/223:50:112
407127199221,19cyclictest4105775-21modprobe19:40:202
407127199220,2cyclictest159329-21ps23:45:162
407127199220,2cyclictest1-21systemd23:20:002
407127199220,2cyclictest0-21swapper/219:30:132
407127199220,21cyclictest4134576-21sort20:10:172
407127199220,20cyclictest0-21swapper/221:04:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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