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2026-05-04 - 22:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Mon May 04, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501960,0irq/46-4a10000013100-21runrttasks07:03:180
133249913143,0cyclictest23212-21/usr/sbin/munin12:15:240
133249912638,0cyclictest0-21swapper08:21:010
133249912538,0cyclictest0-21swapper10:40:510
133249912445,0cyclictest7350irq/45-4a10000011:55:450
133249912344,0cyclictest24933-21/usr/sbin/munin12:20:280
133249912340,0cyclictest0-21swapper09:10:120
133249912337,0cyclictest0-21swapper11:33:450
133249912326,0cyclictest24158-21munin-run07:34:470
133249912240,0cyclictest0-21swapper09:30:400
133249912239,0cyclictest0-21swapper10:50:030
133249912238,0cyclictest19936-21/usr/sbin/munin07:20:380
133249912235,0cyclictest0-21swapper08:19:280
133249912141,0cyclictest0-21swapper10:45:400
133249912056,0cyclictest0-21swapper12:12:130
133249912043,0cyclictest0-21swapper10:01:190
133249912041,0cyclictest0-21swapper07:40:300
133249912040,0cyclictest0-21swapper10:31:160
133249912040,0cyclictest0-21swapper09:35:540
133249912039,0cyclictest0-21swapper12:33:270
133249912039,0cyclictest0-21swapper11:07:210
133249912032,0cyclictest9530-21/usr/sbin/munin11:35:230
133249911949,0cyclictest7350irq/45-4a10000008:55:280
133249911942,0cyclictest0-21swapper11:49:550
133249911942,0cyclictest0-21swapper09:00:170
133249911940,0cyclictest0-21swapper11:11:350
133249911940,0cyclictest0-21swapper10:55:350
133249911938,0cyclictest6473-21/usr/sbin/munin09:50:420
133249911938,0cyclictest0-21swapper08:26:170
133249911937,0cyclictest29873-21runrttasks09:25:170
133249911937,0cyclictest0-21swapper08:32:340
133249911936,0cyclictest11059-21fschecks_time10:05:150
133249911932,0cyclictest3516-21runrttasks11:18:290
133249911851,0cyclictest0-21swapper09:20:050
133249911841,0cyclictest0-21swapper12:00:390
133249911838,0cyclictest0-21swapper11:20:350
133249911837,0cyclictest4304-21/usr/sbin/munin09:45:230
133249911837,0cyclictest22517-21latency_hist10:39:480
133249911829,0cyclictest17065-21runrttasks07:12:490
133249911740,0cyclictest0-21swapper12:05:330
133249911739,0cyclictest0-21swapper09:15:360
133249911736,0cyclictest0-21swapper10:23:380
133249911735,0cyclictest0-21swapper08:04:240
133249911735,0cyclictest0-21swapper07:52:240
133249911733,0cyclictest0-21swapper08:14:100
133249911723,0cyclictest24225-1kworker/u3:209:55:120
133249911647,0cyclictest0-21swapper08:45:080
133249911641,0cyclictest0-21swapper11:45:120
133249911641,0cyclictest0-21swapper07:07:400
133249911636,0cyclictest0-21swapper07:36:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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