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2025-04-03 - 11:27
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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 Thu Apr 03, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151050,0ktimers/0203351sleep19:10:160
1514560,0ktimers/047741sleep23:16:550
1514560,0ktimers/0184621sleep00:32:430
1514510,0ktimers/054711sleep20:31:470
1305504320,0irq/15-NE200053050irq/11-sym53c8xx23:32:590
530504290,0irq/11-sym53c8x130550irq/15-NE200019:35:160
1514280,0ktimers/0193161sleep00:36:570
1514220,0ktimers/0280631sleep22:29:410
1514160,0ktimers/087001sleep23:39:110
530504080,0irq/11-sym53c8x130550irq/15-NE200022:02:170
1514030,0ktimers/0228641sleep21:58:300
1514010,0ktimers/0317121sleep20:02:540
1514000,0ktimers/0126991sleep00:01:090
1305503800,0irq/15-NE200053050irq/11-sym53c8xx21:11:020
1305503800,0irq/15-NE200053050irq/11-sym53c8xx19:40:330
1513700,0ktimers/084731sleep20:46:190
1513650,0ktimers/04001sleep20:09:100
1691913640,0sleep151ktimers/000:22:110
1513640,0ktimers/0246911sleep22:10:530
530503580,0irq/11-sym53c8x130550irq/15-NE200019:15:580
1513510,0ktimers/0213761sleep21:51:400
530503500,0irq/11-sym53c8x130550irq/15-NE200020:35:310
1513340,0ktimers/0107981sleep23:51:370
2049313260,0sleep151ktimers/021:45:250
1513210,0ktimers/0233341sleep19:25:360
530503160,0irq/11-sym53c8x130550irq/15-NE200022:32:120
30152131251,0sleep151ktimers/022:38:260
1513110,0ktimers/018566-21ntpq21:36:120
1513080,0ktimers/0104341sleep20:55:400
1513070,0ktimers/040091sleep20:26:010
1513060,0ktimers/0174351sleep00:28:330
2035199305123,0cyclictest0-21swapper22:20:530
1513040,0ktimers/014396-21nfs_client00:11:320
530503010,0irq/11-sym53c8x25680-21basename22:15:340
3117912970,0sleep151ktimers/022:42:180
530502910,0irq/11-sym53c8x130550irq/15-NE200019:10:360
15088128644,0sleep151ktimers/021:16:340
530502830,0irq/11-sym53c8x0-21swapper23:05:290
2423012800,0sleep151ktimers/022:06:270
530502780,0irq/11-sym53c8x9986-21basename20:52:060
1657412780,0sleep151ktimers/021:22:140
653512760,0sleep151ktimers/023:29:030
899112710,0sleep151ktimers/023:40:470
530502710,0irq/11-sym53c8x17175-21kworker/u4:3+flush-8:023:56:350
1512670,0ktimers/0115991sleep21:01:040
1305502650,0irq/15-NE200053050irq/11-sym53c8xx22:45:570
530502640,0irq/11-sym53c8x29675-21cron19:55:160
1305502610,0irq/15-NE200053050irq/11-sym53c8xx19:25:160
267912600,0sleep151ktimers/020:20:250
1305502600,0irq/15-NE2000709-21chrt20:10:560
1305502590,0irq/15-NE2000263191chrt19:38:270
2846912570,0sleep151ktimers/019:48:050
530502560,0irq/11-sym53c8x130550irq/15-NE200022:57:120
3337125626,0sleep3350-21awk23:11:200
1305502560,0irq/15-NE20002743-21latency_hist20:20:300
1305502560,0irq/15-NE200017273-21munin-node21:31:140
530502550,0irq/11-sym53c8x16059-21apt00:20:170
530502540,0irq/11-sym53c8x13520-21munin-run21:10:200
530502540,0irq/11-sym53c8x10248-21cron23:50:160
1305502540,0irq/15-NE200032585-21aten_r3power_po22:52:070
530502530,0irq/11-sym53c8x17175-21kworker/u4:3+flush-8:020:40:500
1305502520,0irq/15-NE20001555-21munin-node23:01:590
1305502500,0irq/15-NE200019428-21munin-node21:40:520
1305502470,0irq/15-NE200013816-21sshd00:08:590
1305502460,0irq/15-NE200030410-21cat19:56:540
1305502440,0irq/15-NE20005186-21munin-node23:22:070
530502380,0irq/11-sym53c8x0-21swapper21:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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