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2025-12-19 - 11:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Dec 19, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151010,0ktimers/0248801sleep19:10:010
1514320,0ktimers/0265351sleep21:50:000
1514280,0ktimers/0325231sleep22:16:170
1514260,0ktimers/058891sleep20:11:440
1514010,0ktimers/0158591sleep21:00:310
1514000,0ktimers/0199621sleep21:19:150
1513850,0ktimers/064431sleep20:15:470
1513850,0ktimers/0140641sleep23:23:010
530503740,0irq/11-sym53c8x130450irq/15-NE200000:40:050
1513680,0ktimers/0184691sleep21:11:300
530503490,0irq/11-sym53c8x130450irq/15-NE200023:26:460
1513460,0ktimers/0102191sleep20:31:490
530503230,0irq/11-sym53c8x130450irq/15-NE200020:35:340
1513210,0ktimers/078241sleep20:21:210
2488199319238,0cyclictest5601-21munin-node22:46:510
2488199319162,0cyclictest17570-21wget21:06:460
2488199319126,0cyclictest20867-21chrt23:55:290
2488199312165,0cyclictest27668-21awk00:26:150
2488199311230,0cyclictest1926-21runrttasks00:18:150
2488199310180,0cyclictest16368-21kworker/u4:1+flush-8:019:35:050
1513070,0ktimers/0283851sleep21:56:380
2488199306222,0cyclictest26668-21grep00:21:230
2488199306177,0cyclictest11905-21awk20:40:490
2488199306171,0cyclictest25312-21forks19:11:050
2488199305169,0cyclictest26765-21ntp_states21:50:300
2488199304139,0cyclictest23037-21ls00:05:290
2488199303172,0cyclictest15645-21runrttasks21:00:000
2488199303171,0cyclictest19786-21ntpq23:50:300
2488199303139,0cyclictest18503-21sed23:45:060
2488199302168,0cyclictest895-21jbd2/sda1-823:10:090
2488199301167,0cyclictest895-21jbd2/sda1-823:00:150
2488199301150,0cyclictest0-21swapper23:05:500
1304503010,0irq/15-NE200053050irq/11-sym53c8xx22:21:570
1304503000,0irq/15-NE200053050irq/11-sym53c8xx21:26:510
2488199299214,0cyclictest986-21awk19:50:480
2488199299164,0cyclictest895-21jbd2/sda1-800:10:090
2488199298167,0cyclictest24606-21chrt21:40:350
2488199298166,0cyclictest8562-21sort20:25:300
2488199297158,0cyclictest13096-21munin-run23:20:040
530502940,0irq/11-sym53c8x130450irq/15-NE200021:35:260
2488199294165,0cyclictest2116-21uptime19:55:490
2488199294129,0cyclictest23193-21chrt21:33:450
2488199292211,0cyclictest27088-21munin-node19:21:080
2488199291171,0cyclictest1926-21runrttasks00:00:320
2488199291165,0cyclictest4967-21chrt22:41:200
2488199290161,0cyclictest15434-21ntpq23:30:280
2488199290129,0cyclictest32387-21ntpq19:45:500
2488199289169,0cyclictest3409-21vmstat20:01:150
2488199288129,0cyclictest18658-21sendmail_mailst23:45:230
2488199287153,0cyclictest17198-21chrt23:37:020
2488199286185,0cyclictest28895-21aten_r3power_cu22:00:210
2488199286155,0cyclictest4090-21nfs_client22:36:290
2488199285170,0cyclictest7646-21sshd22:54:590
2488199285151,0cyclictest13073-21sort20:46:300
2488199284154,0cyclictest1926-21runrttasks21:23:240
2488199284153,0cyclictest13706-21ntpq20:50:290
2488199284152,0cyclictest2495-21missed_timers22:26:470
2488199283168,0cyclictest30027-21ntpq22:05:290
2488199281119,0cyclictest31748-21missed_timers19:41:420
2488199280118,0cyclictest26700-21date19:20:110
2488199278160,0cyclictest895-21jbd2/sda1-822:30:090
2488199277158,0cyclictest8516-21grep22:56:540
2488199277150,0cyclictest30530-21pluginstate19:36:250
2488199277119,0cyclictest27832-21munin-node19:26:070
2488199275145,0cyclictest28916-21awk00:31:340
2488199271154,0cyclictest5079-21cron20:09:590
2488199269139,0cyclictest32013-21cat22:15:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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