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2026-05-09 - 01:53
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Fri May 08, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17749224262201,174sleep00-21swapper07:04:320
180129910919,66cyclictest10947-21irqstats09:17:500
180129910326,67cyclictest0-21swapper10:54:570
180129910317,41cyclictest24145-21apt-get07:41:500
180129910315,24cyclictest14472-21memory09:28:000
180129910230,60cyclictest0-21swapper10:59:500
180129910218,64cyclictest15655-21apt-get09:31:550
180129910217,62cyclictest32241-21apt-get08:26:500
180129910213,68cyclictest19844-21/usr/sbin/munin11:17:540
180129910119,22cyclictest24261-21ssh11:31:000
180129910118,24cyclictest7495-21irqstats09:07:530
18012999944,22cyclictest8867-21sh10:46:220
18012999917,62cyclictest757-21df_inode10:22:250
18012999916,44cyclictest5865-21df10:37:190
18012999916,25cyclictest17634-21apt-get11:11:570
18012999916,22cyclictest10215-21users12:23:260
18012999915,22cyclictest31834-21irqstats11:52:490
18012999912,28cyclictest14800-21ssh11:03:030
18012999911,71cyclictest5809-21/usr/sbin/munin12:12:190
18012999910,48cyclictest30372-21ssh10:13:230
18012999837,45cyclictest0-21swapper09:24:380
18012999826,57cyclictest4122-21head08:47:400
18012999819,60cyclictest26262-21df10:02:200
18012999816,51cyclictest0-21swapper11:48:350
18012999815,64cyclictest22574-21ssh09:52:010
18012999812,64cyclictest8498-21sh12:18:270
18012999812,46cyclictest649-21/usr/sbin/munin11:57:540
18012999812,25cyclictest2288-21ssh10:27:110
18012999730,38cyclictest27076-21timerandwakeup11:38:200
18012999718,56cyclictest19002-21munin-node07:11:450
18012999714,23cyclictest28421-21irqstats11:42:540
18012999713,65cyclictest11408-21sh12:27:420
18012999713,63cyclictest17728-21df_inode09:37:300
18012999712,64cyclictest21446-21ssh09:48:050
18012999710,27cyclictest24668-21aten_r5power_vo11:32:100
18012999635,44cyclictest0-21swapper09:02:040
18012999617,40cyclictest29390-21users08:07:440
18012999615,46cyclictest0-21swapper09:58:220
18012999615,42cyclictest21350-21df11:22:200
18012999614,63cyclictest9033-21apt-get10:46:540
18012999614,44cyclictest9757-21ssh09:13:370
18012999613,62cyclictest1487-21munin-run08:36:370
18012999612,45cyclictest5563-21ssh12:11:010
18012999610,25cyclictest20182-21ssh09:44:000
18012999516,57cyclictest31510-21df_inode10:17:280
18012999515,59cyclictest23132-21munin-run07:36:370
18012999514,61cyclictest16349-21irqstats11:07:470
18012999511,63cyclictest13326-21ssh12:33:070
18012999414,60cyclictest28048-21df_inode10:07:260
18012999410,25cyclictest4030-21wget10:32:110
18012999313,63cyclictest2659-21df12:02:230
18012999214,61cyclictest26731-21munin-run07:56:380
18012999119,27cyclictest19375-21memory07:12:020
18012999114,37cyclictest31353-21apt-get08:21:500
18012999112,25cyclictest29595-21cut08:12:000
18012999010,60cyclictest28595-21snmpd08:02:230
18012998930,42cyclictest2424-21sort08:41:390
18012998921,53cyclictest0-21swapper07:26:060
18012998918,50cyclictest21434-21apt-get07:26:490
18012998917,24cyclictest30734-21/usr/sbin/munin08:17:130
18012998812,29cyclictest23636-21ls07:37:240
18012998812,27cyclictest2742-21sed08:42:080
18012998810,55cyclictest25155-21wc07:47:000
18012998721,27cyclictest27134-21fw_conntrack07:57:140
18012998717,22cyclictest4589-21fw_conntrack08:52:150
18012998716,23cyclictest20126-21ntp_states07:17:320
18012998715,55cyclictest0-21swapper08:57:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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