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2026-05-10 - 13:47
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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 Sat May 09, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11539220427,50sleep00-21swapper/007:05:380
9376211615,11sleep09383-21memory11:10:320
15820211519,12sleep014855-21apt-get09:26:140
2398721105,12sleep024040-21wc10:00:050
1739821056,11sleep017401-21diskstats07:30:200
317921045,12sleep03209-21/usr/sbin/munin10:45:360
149292996,12sleep013951-21apt-get11:31:200
12125999756,29cyclictest101ktimersoftd/008:05:300
12125999657,24cyclictest0-21swapper/011:15:550
12125999635,47cyclictest10250irq/56-4a10000012:06:580
196122955,12sleep019615-21df11:50:160
23962946,11sleep0101ktimersoftd/008:35:300
259672936,11sleep025976-21memory12:15:310
236442936,72sleep023647-21fw_conntrack07:55:260
12125999338,39cyclictest136802chrt11:27:460
12125999240,33cyclictest801-21dbus-daemon12:27:060
12125999234,42cyclictest0-21swapper/008:45:100
19242916,70sleep01925-21memory10:40:330
12125999134,18cyclictest6943-21runrttasks11:00:320
12125999128,23cyclictest754-21systemd-journal10:20:010
12125998938,13cyclictest11527-21seq09:11:240
12125998744,29cyclictest3650irq/20-4900000008:12:090
12125998646,23cyclictest10150irq/55-4a10000009:21:220
12125998627,41cyclictest0-21swapper/011:46:040
169982856,65sleep016996-21ntp_states09:30:430
12125998556,14cyclictest29947-21aten_r7power_vo12:30:110
12125998554,14cyclictest10150irq/55-4a10000009:36:430
12125998530,32cyclictest0-21swapper/009:40:370
12125998524,28cyclictest25664-21tr10:05:360
1212599848,39cyclictest14216-21apt-cache07:17:110
12125998442,29cyclictest3650irq/20-4900000010:50:370
12125998441,30cyclictest3650irq/20-4900000010:10:230
12125998356,12cyclictest101ktimersoftd/009:05:420
12125998351,14cyclictest10150irq/55-4a10000007:10:290
12125998345,23cyclictest0-21swapper/008:34:580
12125998336,32cyclictest101ktimersoftd/010:33:250
12125998320,17cyclictest19558-21latency_hist07:40:040
12125998250,14cyclictest10150irq/55-4a10000009:45:490
12125998244,21cyclictest0-21swapper/008:19:550
1212599819,39cyclictest8750-21ntp_states09:00:410
12125998153,13cyclictest10150irq/55-4a10000008:40:210
12125998151,21cyclictest31590-21https08:25:230
12125998151,14cyclictest10150irq/55-4a10000012:00:220
12125998135,31cyclictest12667-21swap09:15:480
12125998059,12cyclictest101ktimersoftd/012:35:310
12125998040,27cyclictest17134-21df11:40:170
12125998036,31cyclictest3650irq/20-4900000008:55:230
12125998034,30cyclictest10250irq/56-4a10000007:50:080
12125998024,18cyclictest1-21systemd11:00:010
12125997959,11cyclictest101ktimersoftd/012:10:390
12125997950,12cyclictest10150irq/55-4a10000010:40:010
12125997945,17cyclictest15638-21chrt07:23:200
12125997923,26cyclictest8233-21ntp_states11:05:420
12125997849,13cyclictest10150irq/55-4a10000008:50:250
12125997848,14cyclictest10150irq/55-4a10000009:50:270
12125997837,28cyclictest3650irq/20-4900000008:20:410
12125997833,30cyclictest8950irq/40-mmc111:20:260
1212599776,20cyclictest1276-21runrttasks12:22:350
12125997746,14cyclictest10150irq/55-4a10000010:00:170
12125997721,20cyclictest24721-21aten_r7power_en08:00:110
1212599768,33cyclictest20987-21aten_r7power_en07:45:120
12125997656,12cyclictest101ktimersoftd/011:35:430
12125997651,11cyclictest101ktimersoftd/010:25:280
12125997646,13cyclictest10150irq/55-4a10000007:40:190
12125997645,14cyclictest10150irq/55-4a10000011:55:260
12125997629,31cyclictest16069-21aten_r7power_vo07:25:150
12125997545,13cyclictest10150irq/55-4a10000010:20:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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