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2025-11-25 - 14:51
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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 Nov 25, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9391220225,151sleep09428-21interrupts07:05:240
103449910964,27cyclictest101ktimersoftd/010:27:100
103449910261,25cyclictest101ktimersoftd/012:32:110
10344999954,29cyclictest101ktimersoftd/010:02:100
10344999826,32cyclictest1424-21nginx08:41:120
10344999528,27cyclictest1424-21nginx12:35:530
10344999526,30cyclictest1424-21nginx08:58:560
10344999455,21cyclictest0-21swapper/012:17:160
10344999352,24cyclictest101ktimersoftd/009:10:400
10344999348,29cyclictest101ktimersoftd/008:45:190
10344999266,12cyclictest101ktimersoftd/010:35:220
10344999237,28cyclictest1356-21snmpd07:11:070
10344999234,42cyclictest10250irq/56-4a10000008:23:490
10344999221,51cyclictest26521-21http12:30:040
10344999141,32cyclictest16875-21runrttasks07:35:230
10344999133,32cyclictest10250irq/56-4a10000009:31:390
10344999131,47cyclictest10250irq/56-4a10000008:26:250
10344999039,15cyclictest27992-21runrttasks08:18:380
10344998940,31cyclictest10150irq/55-4a10000011:20:190
10344998928,44cyclictest1356-21snmpd10:06:480
10344998848,24cyclictest101ktimersoftd/010:15:320
10344998835,16cyclictest1356-21snmpd10:43:190
10344998831,38cyclictest14425-21sshd07:25:280
10344998761,12cyclictest101ktimersoftd/010:10:360
10344998728,40cyclictest792-21haveged07:50:030
10344998715,36cyclictest1356-21snmpd11:42:090
10344998715,36cyclictest1356-21snmpd10:56:590
10344998659,11cyclictest101ktimersoftd/011:17:090
10344998653,14cyclictest10150irq/55-4a10000008:00:250
10344998642,32cyclictest0-21swapper/012:20:250
10344998623,46cyclictest1356-21snmpd07:56:190
10344998558,11cyclictest101ktimersoftd/009:17:070
10344998527,43cyclictest13501-21mailstats07:20:480
10344998514,51cyclictest17958-21wget07:40:150
10344998439,34cyclictest0-21swapper/012:10:300
10344998439,29cyclictest5256-21seq11:04:460
10344998438,35cyclictest20712-21runrttasks10:00:010
10344998432,34cyclictest16149-21interrupts09:40:310
10344998424,45cyclictest1356-21snmpd09:46:430
10344998424,40cyclictest27343-21latency_hist10:25:070
10344998415,51cyclictest1531-21munin-node07:50:110
10344998411,35cyclictest760-21systemd-journal11:34:280
1034499828,35cyclictest18719-21ntp_states09:50:400
1034499827,22cyclictest31095-21memory08:30:340
10344998259,9cyclictest101ktimersoftd/007:30:150
10344998250,23cyclictest24780-21runrttasks08:05:280
10344998250,13cyclictest10150irq/55-4a10000009:20:190
10344998247,24cyclictest802-21dbus-daemon10:55:010
10344998216,32cyclictest7216-21wget09:05:160
1034499817,38cyclictest12267-21cpu09:25:150
10344998155,11cyclictest101ktimersoftd/008:51:310
10344998151,13cyclictest10150irq/55-4a10000010:30:410
10344998150,20cyclictest18285-21runrttasks11:55:440
10344998148,16cyclictest10150irq/55-4a10000007:15:230
10344998146,25cyclictest0-21swapper/011:05:110
210902805,12sleep00-21swapper/012:06:330
1034499807,19cyclictest1336-21runrttasks11:26:460
10344998048,17cyclictest1336-21runrttasks11:50:140
10344998045,24cyclictest101ktimersoftd/011:35:420
10344998035,34cyclictest101ktimersoftd/011:10:390
10344997948,14cyclictest10150irq/55-4a10000009:35:460
10344997947,15cyclictest10150irq/55-4a10000008:35:430
10344997933,14cyclictest10250irq/56-4a10000012:00:200
10344997849,13cyclictest10150irq/55-4a10000009:02:480
10344997834,34cyclictest15459-21cut11:45:150
10344997733,32cyclictest1340-21sshd10:48:280
10344997454,12cyclictest101ktimersoftd/008:10:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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