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2025-08-21 - 19:02
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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 rack5slot7.osadl.org (updated Thu Aug 21, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13924223832190,141sleep00-21swapper05:42:000
143419913050,36cyclictest16620-21df10:11:130
143419912142,34cyclictest6788-21apt-get09:40:510
143419911839,34cyclictest17572-21apt-get08:30:460
143419911740,52cyclictest16364-21fw_conntrack08:26:290
143419911539,32cyclictest15980-21apt-get05:55:480
143419911440,49cyclictest15233-21memory10:06:470
143419911439,35cyclictest20298-21ntp_states10:22:030
143419911338,36cyclictest12474-21ssh08:14:100
143419911336,33cyclictest3421-21apt-get07:45:530
143419911240,48cyclictest5074-21munin-run09:35:300
143419911237,51cyclictest20634-21apt-get08:40:490
143419911237,37cyclictest29968-21/usr/sbin/munin09:11:470
143419911138,35cyclictest25296-21aten_r5power_cu08:55:590
143419911137,52cyclictest4099-21apt-get11:10:560
143419911038,34cyclictest15328-21users08:22:150
143419911037,50cyclictest19670-21memory08:36:480
143419911034,53cyclictest2242-21apt-get09:25:510
143419910935,49cyclictest29761-21apt-get10:50:490
143419910935,34cyclictest560-21latency_hist09:20:330
143419910934,50cyclictest1232-21ntp_states09:21:520
143419910934,35cyclictest21847-21/usr/sbin/munin10:26:510
143419910837,49cyclictest27151-21df_inode09:01:190
143419910836,49cyclictest21720-21irqstats06:26:190
143419910836,33cyclictest29525-21ssh10:49:570
143419910835,50cyclictest9990-21apt-get09:50:530
143419910835,50cyclictest753-21cut11:01:000
143419910835,48cyclictest18030-21/usr/sbin/munin10:15:400
143419910832,51cyclictest12815-21/usr/sbin/munin08:15:390
143419910831,36cyclictest9660-21/usr/sbin/munin08:07:020
143419910738,32cyclictest23300-21ssh08:48:420
143419910737,50cyclictest11788-21ssh09:56:080
143419910737,48cyclictest23378-21fw_conntrack10:31:280
143419910735,50cyclictest2398-21/usr/sbin/munin11:07:050
143419910734,33cyclictest32111-21ntp_states10:57:040
143419910733,51cyclictest23754-21/usr/sbin/munin08:50:590
143419910635,49cyclictest5473-21ssh07:51:400
143419910633,50cyclictest6653-21/usr/sbin/munin07:56:030
143419910632,35cyclictest27894-21ssh10:45:140
143419910539,46cyclictest8719-21memory08:01:440
143419910536,27cyclictest24712-21apt-get10:35:520
143419910535,49cyclictest5210-21apt-get09:35:470
143419910534,51cyclictest24099-21/usr/sbin/munin06:41:310
143419910533,49cyclictest29476-21wc07:10:330
143419910533,48cyclictest13207-21apt-get10:00:540
143419910531,37cyclictest28446-21grep07:01:400
143419910433,49cyclictest330-21grep07:26:310
143419910431,28cyclictest19475-21munin-run06:15:320
143419910354,33cyclictest26893-21aten_r5power_po06:55:520
143419910333,33cyclictest22738-21ntpq06:31:260
143419910332,49cyclictest8386-21apt-get09:45:540
143419910331,50cyclictest19858-21df_inode06:16:070
143419910331,49cyclictest3230-21sed07:41:360
143419910331,32cyclictest15240-21munin-run05:50:340
143419910329,50cyclictest20575-21wget06:20:550
143419910313,68cyclictest29545-21tr07:10:500
143419910231,47cyclictest28403-21apt-get09:05:470
143419910130,48cyclictest17876-21basename06:05:560
143419910130,32cyclictest25248-21sed06:46:020
143419910129,33cyclictest30888-21ntpq07:16:250
143419910031,48cyclictest15464-21apt05:50:490
143419910031,31cyclictest31783-21grep07:21:240
143419910030,50cyclictest26654-21users06:51:420
143419910028,31cyclictest16881-21apt-get06:00:520
14341999932,31cyclictest1576-21/usr/sbin/munin07:35:570
14341999928,49cyclictest1463-21munin-run07:35:300
14341999747,28cyclictest23200-21apt-get06:35:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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