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2026-08-04 - 18:20
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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 Tue Aug 04, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501920,0irq/46-4a10000024305-21runrttasks07:05:380
7350940,0irq/45-4a1000003035-21sendmail-msp07:38:260
24672999451,0cyclictest0-21swapper10:47:350
24672999358,0cyclictest0-21swapper07:14:250
164562930,0sleep016355-1kworker/u3:011:26:400
24672999270,0cyclictest0-21swapper11:29:050
24672999259,0cyclictest0-21swapper09:44:000
59332910,0sleep04355-1kworker/u3:009:19:190
24672999159,0cyclictest0-21swapper12:33:370
111082910,0sleep07936-1kworker/u3:007:59:340
7350900,0irq/45-4a1000009416-1kworker/u3:111:07:030
7350900,0irq/45-4a10000019840-1kworker/u3:011:39:080
24672999058,0cyclictest0-21swapper08:28:420
24672999057,0cyclictest0-21swapper08:03:590
1788129010,0sleep017895-21users08:19:170
7450890,0irq/46-4a1000009949-21/usr/sbin/munin09:33:420
7450890,0irq/46-4a100000438-21snmpd12:23:590
7450890,0irq/46-4a10000022782-21chrt11:44:010
24672998968,0cyclictest0-21swapper10:03:550
24672998968,0cyclictest0-21swapper08:13:220
24672998957,0cyclictest0-21swapper07:49:000
7350880,0irq/45-4a100000844-1kworker/u3:009:05:180
7350880,0irq/45-4a10000029646-21/usr/sbin/munin12:04:030
24672998857,0cyclictest0-21swapper09:28:400
24672998857,0cyclictest0-21swapper07:53:320
24672998856,0cyclictest0-21swapper12:08:570
24672998855,0cyclictest0-21swapper11:48:150
24672998854,0cyclictest0-21swapper09:13:430
24672998849,0cyclictest0-21swapper10:28:480
7450870,0irq/46-4a1000007153-21memory09:23:480
7450870,0irq/46-4a100000438-21snmpd07:36:340
7450870,0irq/46-4a1000001530-21egrep09:08:180
7450870,0irq/46-4a10000013721-21fschecks_count11:18:360
7450870,0irq/46-4a10000010338-21/usr/sbin/munin11:08:300
7350870,0irq/45-4a10000025660-21/usr/sbin/munin08:43:260
24672998756,0cyclictest0-21swapper09:49:060
24672998755,0cyclictest0-21swapper11:53:550
7450860,0irq/46-4a1000005007-21df_abs12:28:220
7450860,0irq/46-4a1000003400-21diskstats10:48:260
7450860,0irq/46-4a10000032633-21fw_conntrack07:28:350
7450860,0irq/46-4a10000028759-21hostname08:53:140
7450860,0irq/46-4a10000022392-21chrt08:33:380
7450860,0irq/46-4a10000021896-21aten_r4power_cu10:08:130
7450860,0irq/46-4a1000001272-21sendmail-msp12:18:560
7350860,0irq/45-4a10000028277-1kworker/u3:207:18:190
24672998654,0cyclictest0-21swapper11:33:450
24672998654,0cyclictest0-21swapper08:48:500
7450850,0irq/46-4a1000005828-21awk10:54:030
7450850,0irq/46-4a1000004874-21hostname07:43:150
7450850,0irq/46-4a10000032524-21fschecks_count10:38:350
7450850,0irq/46-4a10000030634-21/usr/sbin/munin08:58:190
7450850,0irq/46-4a10000024963-21cstates07:08:210
7450850,0irq/46-4a10000024471-21find08:39:080
7450850,0irq/46-4a10000020089-21/usr/sbin/munin08:28:050
7450850,0irq/46-4a10000011483-21kworker/u2:111:18:060
7350850,0irq/45-4a1000006406-21sendmail-msp10:58:510
7350850,0irq/45-4a10000027638-21memory11:58:580
7450840,0irq/46-4a10000032669-21/usr/sbin/munin12:13:400
7450840,0irq/46-4a10000031458-1kworker/u3:010:37:510
7450840,0irq/46-4a10000027079-21aten_r4power_en10:23:140
7450840,0irq/46-4a10000026078-21/usr/sbin/munin10:19:060
7450840,0irq/46-4a10000024161-21latency10:13:440
7450840,0irq/46-4a10000018308-1kworker/u3:009:58:490
7450840,0irq/46-4a10000016786-21basename09:53:140
7450840,0irq/46-4a10000014186-21sendmail_mailqu08:08:580
7450840,0irq/46-4a10000011558-21sendmail-msp09:38:140
305252836,0sleep030552-21basename07:23:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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