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2026-04-26 - 03:24
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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 Sat Apr 25, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10953220830,51sleep00-21swapper/007:09:320
110749914771,54cyclictest457-21diskstats08:35:220
110749914674,52cyclictest11774-21http11:30:040
110749914572,51cyclictest24997-21apt-config08:05:110
110749914367,58cyclictest1305-21snmpd07:20:450
110749914276,35cyclictest10647-21ntp_states09:15:390
110749914193,37cyclictest9269-21cut11:20:020
110749913966,21cyclictest16809-21ntpq11:46:060
110749913861,40cyclictest24750-21ntp_states10:10:410
110749913754,24cyclictest12656-21apt-get09:27:120
110749913667,27cyclictest28495-21apt-get08:17:080
110749913664,37cyclictest1276-21runrttasks08:00:280
110749913663,38cyclictest32236-21ntp_states10:40:400
110749913569,50cyclictest1276-21runrttasks11:31:230
110749913563,55cyclictest6797-21cat09:00:290
110749913563,36cyclictest26924-21seq10:20:140
110749913562,37cyclictest21002-21ntp_states09:55:400
110749913473,42cyclictest20204-21chrt09:52:340
110749913467,33cyclictest1305-21snmpd10:36:020
110749913465,49cyclictest9401-21ntpq09:10:380
110749913370,42cyclictest1305-21snmpd08:40:240
110749913366,35cyclictest25203-21seq12:20:140
110749913361,51cyclictest25681-21wget10:15:160
110749913361,35cyclictest28573-21mailstats12:30:430
110749913360,36cyclictest19260-21ntp_states11:55:430
110749913357,36cyclictest16207-21wget07:30:140
110749913277,41cyclictest11925-21ntp_states09:20:420
110749913260,33cyclictest5393-21wget08:55:140
110749913260,18cyclictest29495-21diskstats12:35:240
110749913259,34cyclictest1305-21snmpd12:26:300
110749913258,33cyclictest14966-21wget07:25:140
110749913178,40cyclictest28500-21ntp_states10:25:430
110749913161,33cyclictest4406-21/usr/sbin/munin11:00:430
110749913160,35cyclictest23496-21munin-run08:00:020
1107499131109,13cyclictest0-21swapper/007:10:030
110749913064,31cyclictest1408-21nginx12:17:090
110749913060,18cyclictest13809-21memory11:35:330
110749913057,33cyclictest1305-21snmpd12:06:260
110749912968,41cyclictest17817-21runrttasks11:50:160
110749912965,23cyclictest12514-21runrttasks07:15:140
110749912961,34cyclictest8178-21ntp_states09:05:440
110749912960,49cyclictest20501-21ntp_states12:00:360
110749912959,32cyclictest27306-21chrt08:12:280
110749912868,21cyclictest23277-21grep10:05:150
110749912866,43cyclictest1408-21nginx07:50:500
110749912866,21cyclictest20109-21fw_conntrack07:45:240
110749912862,25cyclictest14396-21/usr/sbin/munin09:30:120
110749912761,46cyclictest30431-21/usr/sbin/munin08:25:170
110749912760,31cyclictest22690-21wget12:10:140
110749912757,36cyclictest18531-21ntp_states09:45:400
110749912754,33cyclictest16243-21users09:35:490
110749912662,24cyclictest15996-21grep11:45:080
110749912659,27cyclictest9582-21df11:20:160
110749912564,45cyclictest10250irq/56-4a10000010:56:080
110749912553,38cyclictest3040-21fw_forwarded_lo08:45:270
110749912460,46cyclictest5761-21grep11:05:160
110749912375,37cyclictest31777-21chrt08:30:320
110749912362,21cyclictest18518-21systemctl07:40:010
110749912351,36cyclictest4040-21munin-node08:50:110
110749912274,36cyclictest29185-21df08:20:160
110749912269,41cyclictest1305-21snmpd10:45:340
110749912269,40cyclictest6973-21wget11:10:170
110749912258,49cyclictest29453-21wget10:30:140
110749912175,37cyclictest2130-21diskstats10:50:310
110749912057,46cyclictest1305-21snmpd10:00:550
110749912055,33cyclictest1305-21snmpd09:40:500
110749911867,40cyclictest18646-21/usr/sbin/munin07:40:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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