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2026-08-26 - 00:03
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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 25, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16363213620,10sleep016364-21apt-config19:05:090
17638999439,34cyclictest801-21dbus-daemon00:29:040
17638999417,37cyclictest801-21dbus-daemon00:00:020
17638999340,36cyclictest32565-21apt-get20:10:030
17638999326,34cyclictest30939-21wget00:20:150
17638999249,12cyclictest101ktimersoftd/020:12:130
17638999236,39cyclictest4273-21apt-get20:26:130
17638999218,36cyclictest32047-21apt-get22:17:050
17638999153,24cyclictest101ktimersoftd/023:47:080
17638999153,23cyclictest101ktimersoftd/019:40:300
17638999130,29cyclictest17628-21cyclictest21:50:310
17638999128,49cyclictest10250irq/56-4a10000023:39:040
17638999116,37cyclictest30370-21apt-cache00:17:120
1763899909,61cyclictest19024-21wget19:15:150
1763899908,49cyclictest14214-21/usr/sbin/munin23:15:360
17638998940,31cyclictest1636-21if_eth000:30:290
17638998844,29cyclictest3650irq/20-4900000021:46:160
17638998839,32cyclictest4090-21runrttasks22:35:240
17638998837,31cyclictest12913-21/usr/sbin/munin20:55:300
17638998813,34cyclictest9343-21/usr/sbin/munin22:55:170
17638998746,30cyclictest16476-21runrttasks23:23:580
17638998743,30cyclictest10250irq/56-4a10000019:50:120
17638998729,18cyclictest1825-21proc_pri22:25:450
17638998724,46cyclictest787-21haveged21:35:250
17638998724,32cyclictest31105-21sshd20:03:170
17638998721,49cyclictest23100-21ntp_states19:30:410
1763899867,29cyclictest187322sleep019:14:080
17638998642,28cyclictest11211-21seq20:49:380
17638998640,36cyclictest1305-21snmpd21:20:200
17638998636,16cyclictest10250irq/56-4a10000000:02:270
17638998631,40cyclictest101ktimersoftd/022:05:440
17638998613,53cyclictest3991-21seq20:22:400
17638998562,12cyclictest101ktimersoftd/023:25:510
17638998557,11cyclictest101ktimersoftd/020:30:400
17638998543,30cyclictest21759-21ntpq21:30:420
17638998541,33cyclictest2914-21/usr/sbin/munin00:35:300
17638998534,36cyclictest24094-21kworker/u2:122:42:100
17638998520,44cyclictest28426-21grep00:10:140
17638998460,11cyclictest101ktimersoftd/022:21:330
17638998459,11cyclictest101ktimersoftd/019:35:140
17638998446,29cyclictest0-21swapper/023:30:120
17638998441,28cyclictest3650irq/20-4900000022:45:330
17638998437,38cyclictest2646-21apt-get20:17:090
17638998415,33cyclictest27038-21df21:55:140
1763899838,17cyclictest1305-21snmpd23:13:180
17638998353,13cyclictest10150irq/55-4a10000021:15:200
17638998344,31cyclictest16242-21latency_hist21:10:050
17638998336,34cyclictest27347-21sshd19:48:100
17638998330,36cyclictest9938-21runrttasks20:44:190
17638998327,41cyclictest3744-21latency_hist22:35:040
17638998310,35cyclictest8183-21df22:50:180
17638998229,35cyclictest28143-21sshd00:09:250
17638998151,14cyclictest10150irq/55-4a10000020:55:010
17638998150,20cyclictest30807-21runrttasks22:10:220
17638998149,14cyclictest10150irq/55-4a10000021:40:240
17638998142,28cyclictest0-21swapper/022:00:200
17638998111,34cyclictest20512-21ntp_states21:25:410
1763899806,55cyclictest1305-21snmpd19:27:290
17638998049,20cyclictest10805-21runrttasks23:00:310
17638998035,26cyclictest7639-21/usr/sbin/munin20:35:330
17638998034,32cyclictest10150irq/55-4a10000023:40:130
17638998016,53cyclictest1305-21snmpd21:05:370
17638998011,51cyclictest12130-21ntp_states23:05:420
17638998010,50cyclictest28962-21wget19:55:130
1763899796,40cyclictest1305-21snmpd21:02:480
17638997832,29cyclictest20299-21/usr/sbin/munin19:20:140
17638997656,11cyclictest101ktimersoftd/023:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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