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2026-09-04 - 09:50
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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 all highest latencies:
System rack4slot2.osadl.org (updated Fri Sep 04, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502060,0irq/46-4a10000027474-21/usr/sbin/munin19:05:410
96522930,0sleep07116-1kworker/u3:219:50:270
295322920,0sleep028710-1kworker/u3:020:49:150
164632910,0sleep014288-1kworker/u3:023:20:230
7450890,0irq/46-4a1000007459-21seq21:20:000
97342880,0sleep09066-1kworker/u3:221:25:320
7450880,0irq/46-4a1000002768-21df_abs00:15:170
199782880,0chrt19218-1kworker/u3:221:55:300
143962880,0chrt12239-1kworker/u3:220:05:090
7450870,0irq/46-4a10000032438-21timerwakeupswit20:55:540
7450870,0irq/46-4a10000031586-21wget22:30:130
7450870,0irq/46-4a10000021257-21aten_r4power_cu22:00:070
7450870,0irq/46-4a10000011201-21df_abs21:30:210
7350870,0irq/45-4a1000009404-21aten_r4power_po00:35:110
122072870,0sleep026440-1kworker/u3:019:57:310
78432860,0sleep07116-1kworker/u3:219:45:200
7450860,0irq/46-4a1000007578-21sed00:30:010
7450860,0irq/46-4a1000005754-21grep21:15:000
7450860,0irq/46-4a10000023788-21ps23:40:500
7450860,0irq/46-4a1000001336-21meminfo22:35:370
7350860,0irq/45-4a10000031297-21runrttasks22:29:280
7350860,0irq/45-4a10000023167-21df22:05:190
7350860,0irq/45-4a10000017822-21/usr/sbin/munin21:50:100
284572860,0sleep028235-1kworker/u3:219:10:080
228522860,0chrt20676-1kworker/u3:223:39:580
7450850,0irq/46-4a1000007967-21grep22:55:230
7450850,0irq/46-4a1000006291-21seq00:25:230
7450850,0irq/46-4a1000004962-21sendmail_mailtr19:35:490
7450850,0irq/46-4a1000004638-21fschecks_time00:20:260
7450850,0irq/46-4a10000031385-21cron00:04:570
7450850,0irq/46-4a10000028702-21memory23:55:410
7450850,0irq/46-4a10000027319-21timerandwakeup20:40:530
7450850,0irq/46-4a10000024962-21df_abs23:45:160
7450850,0irq/46-4a10000012967-21sed21:35:170
7450850,0irq/46-4a10000012808-21/usr/sbin/munin23:10:140
7450840,0irq/46-4a1000006250-21chrt19:40:250
7450840,0irq/46-4a100000322-21seq19:23:030
7450840,0irq/46-4a10000031913-21/usr/sbin/munin00:05:240
7450840,0irq/46-4a1000003035-21memory21:05:390
7450840,0irq/46-4a10000028393-21df_inode22:20:200
7450840,0irq/46-4a1000002731-21df_abs22:40:180
7450840,0irq/46-4a10000025129-21cat20:35:340
7450840,0irq/46-4a10000020517-21grep20:20:570
7450840,0irq/46-4a10000019960-21tune2fs23:30:290
7450840,0irq/46-4a10000017855-21/usr/sbin/munin20:15:100
7450840,0irq/46-4a10000016796-21ntp_offset21:45:440
7450840,0irq/46-4a10000014755-21fschecks_count21:40:250
7450840,0irq/46-4a10000014707-21df_inode23:15:180
7450840,0irq/46-4a1000001420-21ntpq21:00:470
21512840,0sleep01290-1kworker/u3:200:13:300
7450830,0irq/46-4a1000009512-21seq23:00:160
7450830,0irq/46-4a1000008028-21seq21:20:310
7450830,0irq/46-4a1000005728-21cron22:49:570
7450830,0irq/46-4a10000026949-21meminfo22:15:360
7450830,0irq/46-4a10000026160-21seq22:14:350
7450830,0irq/46-4a1000002405-21/usr/sbin/munin19:30:360
7450830,0irq/46-4a1000002262-21cron19:29:570
7450830,0irq/46-4a10000021425-21cstates20:25:130
7450830,0irq/46-4a10000016897-21sendmail_mailst20:10:490
7450830,0irq/46-4a10000011572-21/usr/sbin/munin23:05:340
7450820,0irq/46-4a10000026862-21ls23:50:350
7450820,0irq/46-4a10000023361-21fw_conntrack20:30:260
7450820,0irq/46-4a10000019319-21chrt23:29:100
7350820,0irq/45-4a10000030438-21processes19:15:120
7450810,0irq/46-4a1000006064-21cstates22:50:180
7450810,0irq/46-4a10000030713-21timerandwakeup20:50:540
7450810,0irq/46-4a10000013191-21irqstats20:00:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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