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2026-05-10 - 03:55
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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 rack4slot2.osadl.org (updated Sun May 10, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502060,0irq/45-4a1000001942-21kworker/0:318:59:450
7350940,0irq/45-4a10000017526-21ls00:25:320
48782930,0sleep019653-1kworker/u3:020:39:530
7350890,0irq/45-4a1000009073-21users22:25:320
113552890,0chrt11095-1kworker/u3:219:24:350
7350880,0irq/45-4a10000025805-21open_inodes20:05:220
7350880,0irq/45-4a10000018469-21seq21:19:480
43812880,0sleep03802-1kworker/u3:219:05:030
3885998860,0cyclictest0-21swapper23:49:410
78362870,0sleep019653-1kworker/u3:020:49:250
7450870,0irq/46-4a1000003761-21runrttasks22:10:270
7450870,0irq/46-4a10000022950-21runrttasks23:07:150
7450870,0irq/46-4a10000020178-21df_abs21:24:520
7450870,0irq/46-4a10000010149-21fschecks_time22:30:000
136572877,0sleep013690-21grep19:30:110
7450860,0irq/46-4a10000031981-21seq23:34:420
7450860,0irq/46-4a10000028792-21df_abs21:49:520
7450860,0irq/46-4a10000026552-1kworker/u3:220:31:430
7450860,0irq/46-4a10000020422-21perl23:00:030
7350860,0irq/45-4a1000001376-21df22:04:500
7450850,0irq/46-4a1000008475-21fw_forwarded_lo19:15:050
7450850,0irq/46-4a1000007027-21/usr/sbin/munin19:10:400
7450850,0irq/46-4a100000468-21ls22:00:310
7450850,0irq/46-4a1000002972-21cut20:34:450
7450850,0irq/46-4a10000027858-21users20:10:340
7450850,0irq/46-4a10000023806-21grep23:10:030
7450850,0irq/46-4a10000017488-21threads22:50:290
7450850,0irq/46-4a10000017318-21ps21:15:240
7450850,0irq/46-4a1000001497-21sshd23:39:560
7450850,0irq/46-4a10000013006-21munin-run21:04:330
7450850,0irq/46-4a10000012485-21users19:25:340
7450850,0irq/46-4a10000012057-21sort22:35:150
296222850,0sleep028544-1kworker/u3:223:25:490
86412840,0chrt17851-1kworker/u3:100:00:160
7450840,0irq/46-4a1000006710-21fschecks_time23:55:000
7450840,0irq/46-4a1000004608-21/usr/sbin/munin22:14:580
7450840,0irq/46-4a10000030714-21seq21:55:080
7450840,0irq/46-4a10000030610-21fschecks_time20:20:010
7450840,0irq/46-4a100000279112sleep021:45:510
7450840,0irq/46-4a10000025605-21/usr/sbin/munin23:15:080
7450840,0irq/46-4a10000023954-21latency21:35:130
7450840,0irq/46-4a10000022069-21grep21:29:590
7450840,0irq/46-4a10000019853-21sh00:34:330
7450840,0irq/46-4a10000019309-21/usr/sbin/munin19:45:310
7450840,0irq/46-4a10000017132-21grep19:40:120
7450840,0irq/46-4a10000015494-21awk22:45:150
7450840,0irq/46-4a10000015363-21irqstats21:10:130
7450840,0irq/46-4a10000015066-21sed19:34:500
7450840,0irq/46-4a10000013268-21aten_r4power_vo00:14:470
7450840,0irq/46-4a10000011642-21df00:09:490
7450840,0irq/46-4a10000010180-21/usr/sbin/munin00:05:030
7450830,0irq/46-4a1000009903-21expr20:54:480
7450830,0irq/46-4a1000008354-21chrt20:50:010
7450830,0irq/46-4a10000031876-21ls20:24:360
7450830,0irq/46-4a10000026799-21sed23:19:370
7450830,0irq/46-4a10000024043-21chrt20:00:180
7450830,0irq/46-4a10000022284-21memory19:55:160
7450830,0irq/46-4a10000018430-21egrep22:54:460
7450830,0irq/46-4a10000015831-21sed00:20:300
7450830,0irq/46-4a10000013443-21chrt22:39:530
7450820,0irq/46-4a1000007442-21runrttasks22:20:570
7450820,0irq/46-4a1000003705-21/usr/sbin/munin23:45:230
7450820,0irq/46-4a10000030295-21basename23:29:440
7450820,0irq/46-4a10000028960-21fschecks_time20:15:010
7450820,0irq/46-4a10000026498-21chrt21:43:110
7450820,0irq/46-4a10000013577-21fw_conntrack21:05:050
7450810,0irq/46-4a10000020260-21diskstats19:49:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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