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2025-07-12 - 14:19
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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 highest latencies:
System rack4slot2.osadl.org (updated Sat Jul 12, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502280,0irq/45-4a1000008756-21kworker/0:007:08:440
192029913149,0cyclictest7350irq/45-4a10000009:40:050
192029912841,0cyclictest0-21swapper07:56:400
192029912838,0cyclictest1803-21/usr/sbin/munin09:25:240
192029912749,0cyclictest0-21swapper08:08:170
192029912731,0cyclictest8701-21meminfo08:11:130
192029912629,0cyclictest8814-21meminfo09:46:160
192029912549,0cyclictest0-21swapper10:53:030
192029912522,0cyclictest14677-21runrttasks08:29:210
192029912442,0cyclictest0-21swapper12:10:410
192029912441,0cyclictest0-21swapper11:05:360
192029912441,0cyclictest0-21swapper07:45:590
192029912437,0cyclictest0-21swapper10:36:580
192029912433,0cyclictest0-21swapper09:23:310
192029912352,0cyclictest0-21swapper08:20:320
192029912350,0cyclictest7350irq/45-4a10000008:36:040
192029912350,0cyclictest0-21swapper08:41:020
192029912341,0cyclictest0-21swapper12:24:450
192029912341,0cyclictest0-21swapper07:10:200
192029912340,0cyclictest0-21swapper07:17:160
192029912338,0cyclictest0-21swapper09:07:340
192029912333,0cyclictest28892-21fschecks_time07:35:150
192029912330,0cyclictest4574-21latency_hist07:59:500
192029912330,0cyclictest0-21swapper12:32:410
192029912327,0cyclictest15943-21users08:30:500
192029912245,0cyclictest7350irq/45-4a10000011:00:290
192029912241,0cyclictest0-21swapper12:15:480
192029912238,0cyclictest0-21swapper11:20:500
192029912231,0cyclictest2593-21runrttasks12:36:250
192029912151,0cyclictest0-21swapper07:34:130
192029912147,0cyclictest7350irq/45-4a10000012:20:450
192029912144,0cyclictest7350irq/45-4a10000008:49:560
192029912142,0cyclictest18200-21runrttasks11:48:450
192029912141,0cyclictest0-21swapper10:45:420
192029912136,0cyclictest0-21swapper12:04:530
192029912134,0cyclictest25156-21latency_hist10:34:440
192029912132,0cyclictest0-21swapper07:50:190
192029912128,0cyclictest12730-21runrttasks11:31:030
192029912124,0cyclictest11450-21copy09:55:160
192029912050,0cyclictest0-21swapper11:25:510
192029912046,0cyclictest12-21ksoftirqd/008:45:010
192029912040,0cyclictest0-21swapper11:55:230
192029912040,0cyclictest0-21swapper08:55:330
192029912039,0cyclictest0-21swapper09:30:070
192029912039,0cyclictest0-21swapper07:20:540
192029912038,0cyclictest7186-21ntpq11:15:390
192029912037,0cyclictest0-21swapper09:15:130
192029912036,0cyclictest0-21swapper10:25:400
192029912036,0cyclictest0-21swapper09:39:050
192029912024,0cyclictest10932-21runrttasks09:51:030
192029911941,0cyclictest0-21swapper10:10:260
192029911940,0cyclictest0-21swapper08:14:470
192029911939,0cyclictest0-21swapper10:40:190
192029911937,0cyclictest0-21swapper10:05:380
192029911929,0cyclictest19725-21runrttasks11:52:120
192029911845,0cyclictest0-21swapper10:15:190
192029911840,0cyclictest0-21swapper10:00:100
192029911839,0cyclictest0-21swapper12:00:590
192029911835,0cyclictest0-21swapper09:00:450
192029911826,0cyclictest21215-21users10:21:080
192029911737,0cyclictest0-21swapper11:10:420
192029911736,0cyclictest15721-21/usr/sbin/munin11:40:450
192029911735,0cyclictest25938-21which07:25:410
192029911643,0cyclictest12-21ksoftirqd/010:54:550
192029911632,0cyclictest30112-21copy07:40:570
192029911630,0cyclictest0-21swapper09:10:170
192029911430,0cyclictest0-21swapper11:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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