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2025-12-20 - 23:14
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Dec 20, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32748225536,58sleep00-21swapper/007:07:540
5939917839,30cyclictest10250irq/56-4a10000012:16:050
5939917047,14cyclictest10150irq/55-4a10000009:55:440
5939916345,13cyclictest10150irq/55-4a10000012:30:410
5939916229,32cyclictest10250irq/56-4a10000007:35:480
5939916225,17cyclictest2350-21wget09:20:160
5939916225,15cyclictest10250irq/56-4a10000008:54:490
5939915639,19cyclictest4563-21sshd11:36:360
5939915546,20cyclictest5346-21sshd11:40:270
5939915532,13cyclictest1276-21runrttasks12:11:010
593991546,14cyclictest3488-21apt-get07:22:080
5939915451,17cyclictest18566-21/usr/sbin/munin08:15:150
5939915451,16cyclictest8898-21/usr/sbin/munin09:45:420
5939915437,13cyclictest10150irq/55-4a10000011:05:120
5939915346,13cyclictest10150irq/55-4a10000012:00:340
5939915340,23cyclictest9575-21diskstats07:40:220
5939915338,23cyclictest16427-21ntpq08:06:120
5939915150,16cyclictest30793-21cron09:05:000
5939915036,18cyclictest1956-21wc07:15:080
5939915034,28cyclictest8826-21/usr/sbin/munin11:55:490
593991498,22cyclictest29542-21apt09:00:010
5939914942,20cyclictest16582-21latency_hist12:25:030
5939914936,15cyclictest10150irq/55-4a10000011:17:070
5939914934,24cyclictest7829-21fw_forwarded_lo11:50:310
5939914842,20cyclictest3270-21runrttasks07:18:170
5939914757,11cyclictest101ktimersoftd/010:56:280
5939914744,18cyclictest30822-21runrttasks11:12:190
5939914743,16cyclictest5340-21runrttasks09:30:480
5939914742,20cyclictest17801-21runrttasks12:29:580
5939914741,17cyclictest26055-21runrttasks10:54:060
5939914644,16cyclictest17102-21seq10:17:060
5939914639,20cyclictest12110-21runrttasks12:07:130
593991458,22cyclictest6529-21df11:45:160
593991449,28cyclictest1752-21apt-get09:17:090
5939914457,11cyclictest101ktimersoftd/007:50:010
5939914455,11cyclictest101ktimersoftd/012:40:030
5939914440,18cyclictest12732-21runrttasks10:00:480
5939914437,20cyclictest12275-21open_inodes07:50:450
5939914354,10cyclictest101ktimersoftd/009:35:340
5939914351,11cyclictest101ktimersoftd/008:20:520
5939914345,16cyclictest14655-21sed10:10:070
5939914254,11cyclictest101ktimersoftd/010:40:030
5939914246,14cyclictest22631-21wget10:40:160
5939914239,18cyclictest27605-21grep11:00:130
5939914239,17cyclictest1144-21runrttasks11:24:260
5939914153,11cyclictest101ktimersoftd/009:40:430
5939914148,15cyclictest22771-21mailstats08:30:480
5939914053,11cyclictest101ktimersoftd/007:55:190
5939913953,10cyclictest101ktimersoftd/008:35:130
5939913852,11cyclictest101ktimersoftd/007:30:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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