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2026-04-16 - 05:33
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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 Wed Apr 15, 2026 14:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32379223552,149sleep00-21swapper/007:06:130
4399916745,19cyclictest17419-21runrttasks08:15:150
4399916744,14cyclictest10150irq/55-4a10000011:09:550
439991648,18cyclictest16516-21apt-get10:18:270
4399916344,12cyclictest10150irq/55-4a10000009:15:060
4399916225,42cyclictest10250irq/56-4a10000011:33:470
4399916150,14cyclictest10150irq/55-4a10000007:10:230
4399916143,28cyclictest3650irq/20-4900000008:25:220
4399916044,13cyclictest3650irq/20-4900000007:28:360
4399916042,16cyclictest13610-21runrttasks08:00:170
4399916036,21cyclictest24706-21fw_forwarded_lo10:50:270
4399915929,37cyclictest149022sleep010:12:070
4399915733,14cyclictest8202-21sshd07:39:130
4399915642,16cyclictest10250irq/56-4a10000011:00:450
4399915639,26cyclictest0-21swapper/012:30:220
4399915637,99cyclictest0-21swapper/009:41:580
4399915447,15cyclictest10150irq/55-4a10000012:25:200
4399915445,20cyclictest32116-21open_inodes09:11:260
4399915332,30cyclictest101ktimersoftd/008:20:300
4399915245,17cyclictest25290-21runrttasks08:45:300
4399915210,20cyclictest4776-21munin-run11:40:030
4399915147,17cyclictest17008-21cron08:15:000
4399915046,12cyclictest10150irq/55-4a10000010:25:200
4399915040,15cyclictest10150irq/55-4a10000011:15:260
4399914946,13cyclictest10150irq/55-4a10000012:35:220
4399914943,19cyclictest702-21runrttasks11:25:070
4399914938,29cyclictest101ktimersoftd/008:30:160
439991487,14cyclictest22202-21diskstats10:40:220
4399914848,15cyclictest173582sleep010:20:370
4399914846,16cyclictest9502-21/usr/sbin/munin09:50:350
4399914758,11cyclictest101ktimersoftd/008:50:460
4399914746,14cyclictest2960-21seq07:17:020
4399914745,13cyclictest10150irq/55-4a10000011:50:280
4399914742,14cyclictest10150irq/55-4a10000012:20:320
4399914738,20cyclictest13002-21wget10:05:150
4399914644,17cyclictest20714-21date10:35:040
4399914641,15cyclictest23617-21seq08:40:000
4399914640,16cyclictest5721-21runrttasks11:42:260
4399914635,21cyclictest2483-21runrttasks09:22:110
439991457,44cyclictest1947-21sshd11:27:120
4399914510,19cyclictest801-21dbus-daemon08:00:000
4399914455,12cyclictest101ktimersoftd/009:45:320
4399914437,19cyclictest15218-21mailstats08:05:440
4399914351,11cyclictest101ktimersoftd/010:45:260
4399914255,10cyclictest101ktimersoftd/008:40:390
4399914245,17cyclictest3278-21netstat09:25:340
4399914221,35cyclictest9905-21wget12:00:090
439991417,52cyclictest14394-21apt-get12:17:070
4399914155,11cyclictest101ktimersoftd/009:00:200
4399914147,14cyclictest26900-21latency_hist11:00:040
4399914147,13cyclictest10466-21aten_r7power_po09:55:150
4399914142,16cyclictest11356-21fw_forwarded_lo12:05:240
4399914141,16cyclictest27933-21processes08:55:430
4399914140,19cyclictest9151-21mailstats11:55:440
4399914047,14cyclictest8964-21mailstats07:40:440
4399914042,14cyclictest10150irq/55-4a10000010:35:380
4399914041,13cyclictest10150irq/55-4a10000007:30:480
4399914036,19cyclictest6158-21aten_r7power_cu11:45:110
4399914030,11cyclictest101ktimersoftd/009:10:060
4399913851,10cyclictest101ktimersoftd/010:00:430
4399913838,18cyclictest10662-21runrttasks07:48:560
4399913745,14cyclictest10150irq/55-4a10000007:24:110
439998541,30cyclictest30545-21seq11:14:550
439998339,28cyclictest3650irq/20-4900000012:10:230
439998323,29cyclictest10250irq/56-4a10000009:38:220
439997746,14cyclictest10150irq/55-4a10000009:30:190
43999756,32cyclictest11112-21df_inode07:50:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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