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2025-01-18 - 12:05
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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 Sat Jan 18, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150520,0ktimers/0246441sleep19:05:360
1514630,0ktimers/0279611sleep22:00:200
1514600,0ktimers/0141441sleep23:41:410
1514580,0ktimers/0313951sleep19:37:010
1514210,0ktimers/0221851sleep00:28:280
1514040,0ktimers/0146291sleep20:51:310
1513860,0ktimers/0211301sleep21:21:250
2039136731,0sleep151ktimers/019:51:480
1513660,0ktimers/0274981sleep19:20:390
1513660,0ktimers/0139871sleep20:48:210
1513520,0ktimers/011901sleep22:31:340
775713410,0sleep151ktimers/020:20:310
2553199326266,0cyclictest232841sleep00:33:440
1513240,0ktimers/0105971sleep23:21:530
2890213220,0sleep151ktimers/019:26:270
481913190,0chrt151ktimers/022:51:550
1513140,0ktimers/0187021chrt00:10:190
1305503040,0irq/15-NE200053050irq/11-sym53c8xx20:29:060
530502920,0irq/11-sym53c8x130550irq/15-NE200019:11:470
6962128846,0sleep151ktimers/020:15:310
1512880,0ktimers/0180391sleep00:02:050
530502870,0irq/11-sym53c8x130550irq/15-NE200019:19:060
530502820,0irq/11-sym53c8x130550irq/15-NE200000:20:190
32151127628,0sleep32161-21grep22:21:390
8655127127,0sleep25525-21cyclictest23:13:390
3960127129,0sleep3970-21df_inode20:01:220
26257126929,0sleep26263-21grep21:51:230
3254126629,0sleep3265-21aten_r3power_po19:57:040
2553199259110,0cyclictest3462-21snmpd23:46:240
6025125529,0sleep3462-21snmpd20:11:110
1512530,0ktimers/0252541sleep21:43:170
1305502530,0irq/15-NE200053050irq/11-sym53c8xx22:20:150
2553199249127,0cyclictest0-21swapper00:35:430
530502480,0irq/11-sym53c8x0-21swapper22:10:240
1305502480,0irq/15-NE200053050irq/11-sym53c8xx22:00:500
1305502470,0irq/15-NE200011983-21munin-node20:41:190
255319924677,0cyclictest20-21rcuc/023:36:460
1305502460,0irq/15-NE200031699-21munin-node19:40:390
1305502450,0irq/15-NE200053050irq/11-sym53c8xx23:00:190
1305502440,0irq/15-NE2000561-21sshd22:29:280
2553199243122,0cyclictest2072-21awk22:36:410
1305502430,0irq/15-NE200053050irq/11-sym53c8xx20:37:030
25602124258,0sleep25525-21cyclictest21:47:260
255319924280,0cyclictest352-21munin-node19:45:200
15458124258,0sleep151ktimers/023:51:210
1305502420,0irq/15-NE200022873-21missed_timers21:31:510
530502410,0irq/11-sym53c8x6429-21sh23:00:450
241971240104,0sleep0-21swapper21:38:580
17868124080,0sleep17878-21nfs_client21:06:240
55291238100,0sleep0-21swapper20:07:130
530502370,0irq/11-sym53c8x18553-21date21:10:260
16980123757,0sleep151ktimers/023:57:330
1512330,0ktimers/0171091sleep21:02:020
1305502320,0irq/15-NE20002572-21munin-node22:42:140
29138123129,0sleep3462-21snmpd22:05:270
1305502310,0irq/15-NE20003460-21lldpd20:30:170
2553199230113,0cyclictest0-21swapper21:16:580
12091123028,0sleep12102-21if_err_eth123:31:510
9291122927,0sleep9303-21nfs_client23:16:270
7328122931,0sleep7343-21latency_hist23:05:160
530502290,0irq/11-sym53c8x15469-21awk20:55:570
530502260,0irq/11-sym53c8x18632-21ls00:10:100
530502260,0irq/11-sym53c8x11319-21cron23:30:080
2553199226108,0cyclictest0-21swapper19:32:010
1305502250,0irq/15-NE200020937-21grep00:20:300
1305502230,0irq/15-NE20003732-21runrttasks22:47:340
1305502170,0irq/15-NE20000-21swapper21:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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