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2025-07-01 - 12:48
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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 Mon Jun 30, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16402220239,131sleep00-21swapper/007:06:110
16915991695,15cyclictest26611-21apt-get12:02:130
169159916932,31cyclictest10250irq/56-4a10000007:10:560
16915991658,46cyclictest4984-21sshd12:37:400
169159916442,22cyclictest10084-21sshd08:45:340
169159916341,30cyclictest7347-21aten_r7power_en08:35:170
169159916226,25cyclictest0-21swapper/007:30:130
169159915846,18cyclictest13380-21/usr/sbin/munin11:05:380
169159915836,27cyclictest3650irq/20-4900000007:17:240
169159915818,32cyclictest792-21haveged08:30:020
169159915731,37cyclictest58182chrt10:36:030
16915991569,14cyclictest23899-21ntp_states09:40:400
169159915547,13cyclictest10150irq/55-4a10000009:01:340
16915991548,24cyclictest31654-21ntp_states12:15:410
169159915247,18cyclictest31806-21runrttasks08:05:170
169159915240,17cyclictest26209-21runrttasks09:50:270
169159915239,18cyclictest10079-21runrttasks10:52:130
169159915225,31cyclictest29099-21/usr/sbin/munin10:00:490
169159915145,14cyclictest10150irq/55-4a10000008:20:300
169159915141,20cyclictest16294-21runrttasks11:17:080
16915991506,15cyclictest4653-21seq10:31:400
169159915045,17cyclictest8125-21runrttasks10:45:460
169159914944,13cyclictest10150irq/55-4a10000009:55:220
169159914942,12cyclictest10150irq/55-4a10000008:40:280
169159914937,25cyclictest10150irq/55-4a10000009:25:400
16915991486,19cyclictest28252-21apt-get12:07:100
169159914858,11cyclictest101ktimersoftd/012:25:240
169159914848,16cyclictest29758-21aten_r7power_cu10:05:180
169159914846,16cyclictest32293-21cat10:15:090
169159914756,10cyclictest101ktimersoftd/007:20:420
169159914747,13cyclictest10150irq/55-4a10000007:51:460
169159914658,12cyclictest101ktimersoftd/007:45:460
169159914641,15cyclictest10150irq/55-4a10000011:50:370
169159914544,16cyclictest31408-21sed08:05:050
169159914542,17cyclictest11313-21runrttasks10:57:100
169159914540,18cyclictest22420-21runrttasks11:41:200
169159914539,18cyclictest19568-21runrttasks11:31:000
169159914457,12cyclictest101ktimersoftd/007:40:240
169159914456,10cyclictest101ktimersoftd/010:10:490
169159914439,18cyclictest1648-21processes08:11:340
169159914354,12cyclictest101ktimersoftd/011:20:210
169159914253,10cyclictest101ktimersoftd/009:30:340
169159914241,16cyclictest26675-21latency_hist12:00:060
169159914155,10cyclictest101ktimersoftd/007:55:280
169159914056,11cyclictest101ktimersoftd/011:35:190
169159914051,12cyclictest101ktimersoftd/011:10:470
169159913945,16cyclictest3437-21seq12:32:360
169159913922,13cyclictest12173-21ls08:55:020
169159913910,17cyclictest22554-21irqstats09:35:340
169159913839,19cyclictest15266-21processes09:05:470
169159913730,28cyclictest436-21ntpq12:20:370
169159913545,13cyclictest10150irq/55-4a10000009:10:410
169159910145,39cyclictest0-21swapper/010:41:180
175572916,71sleep017559-21irqstats09:15:310
16915999135,29cyclictest0-21swapper/009:46:500
16915998344,29cyclictest0-21swapper/007:26:040
16915998335,34cyclictest32972chrt10:25:490
16915998242,26cyclictest101ktimersoftd/007:35:140
16915998059,12cyclictest101ktimersoftd/010:20:350
16915998051,13cyclictest10150irq/55-4a10000008:55:280
16915998043,26cyclictest101ktimersoftd/012:11:570
16915997935,11cyclictest101ktimersoftd/009:20:340
16915997850,18cyclictest0-21swapper/008:30:560
16915997829,14cyclictest0-21swapper/011:01:260
16915997726,44cyclictest0-21swapper/008:19:420
16915997647,13cyclictest10150irq/55-4a10000011:25:440
16915997546,13cyclictest3650irq/20-4900000011:45:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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