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2026-06-04 - 18:43
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Thu Jun 04, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010560,0irq/46-4a10000027533-1kworker/u3:107:03:180
28453999472,0cyclictest0-21swapper11:29:060
28453999258,0cyclictest0-21swapper08:39:040
28453999252,0cyclictest0-21swapper08:09:170
7350910,0irq/45-4a1000007679-21/usr/sbin/munin10:48:560
28453999168,0cyclictest0-21swapper07:03:420
28453999058,0cyclictest0-21swapper12:14:120
28453999058,0cyclictest0-21swapper09:29:280
28453999057,0cyclictest0-21swapper09:04:240
28453999057,0cyclictest0-21swapper08:59:000
28453998857,0cyclictest0-21swapper08:49:080
28453998857,0cyclictest0-21swapper07:14:160
7350870,0irq/45-4a1000008881-1kworker/u3:210:54:020
28453998765,0cyclictest0-21swapper07:23:570
28453998755,0cyclictest0-21swapper07:54:220
28453998755,0cyclictest0-21swapper07:43:450
28453998755,0cyclictest0-21swapper07:33:460
28453998754,0cyclictest0-21swapper08:24:210
7450860,0irq/46-4a100000460-21snmpd09:25:250
7350860,0irq/45-4a10000015818-1kworker/u3:008:03:190
28453998652,0cyclictest0-21swapper08:44:090
28453998652,0cyclictest0-21swapper08:14:060
7450850,0irq/46-4a1000005133-21sensors07:29:230
7450850,0irq/46-4a10000014082-1kworker/u3:111:06:440
7350850,0irq/45-4a10000029532-21runrttasks11:51:440
28453998564,0cyclictest0-21swapper07:49:180
28453998553,0cyclictest0-21swapper11:43:540
28453998553,0cyclictest0-21swapper09:59:280
28453998550,0cyclictest0-21swapper10:08:330
7450840,0irq/46-4a1000006014-21wget09:08:420
7450840,0irq/46-4a10000027421-21timerandwakeup08:34:270
7450840,0irq/46-4a10000018617-21ntpq11:19:170
7350840,0irq/45-4a10000021639-21df_abs08:18:510
7350840,0irq/45-4a10000014615-21aten_r4power_vo11:08:430
28453998452,0cyclictest0-21swapper10:38:560
28453998452,0cyclictest0-21swapper08:29:290
208682840,0chrt17542-1kworker/u3:209:50:500
7450830,0irq/46-4a10000030890-21grep11:54:280
7450830,0irq/46-4a10000018816-21sensors_temp09:44:270
7450830,0irq/46-4a10000017213-21unixbench_singl08:04:290
7350830,0irq/45-4a1000008936-21seq07:40:580
28453998362,0cyclictest0-21swapper09:53:490
28453998362,0cyclictest0-21swapper09:34:100
28453998345,0cyclictest0-21swapper12:29:180
211982830,0sleep021043-1kworker/u3:111:28:300
7450820,0irq/46-4a1000008903-1kworker/u3:212:26:400
7450820,0irq/46-4a1000007985-21seq09:13:520
7450820,0irq/46-4a1000006996-21unixbench_singl10:44:300
7450820,0irq/46-4a10000030971-21runrttasks10:19:300
7450820,0irq/46-4a10000024994-21df_abs11:38:490
7450820,0irq/46-4a1000001615-1kworker/u3:208:54:290
7450820,0irq/46-4a1000001261-21fschecks_time10:28:580
7450820,0irq/46-4a1000001065-21seq12:03:520
7350820,0irq/45-4a100000460-21snmpd09:40:300
7450810,0irq/46-4a100000835-21latency_hist07:18:360
7450810,0irq/46-4a10000032698-21awk11:59:330
7450810,0irq/46-4a10000031222-21seq07:11:400
7450810,0irq/46-4a10000026999-21kernelversion10:09:090
7450810,0irq/46-4a10000023247-21/usr/sbin/munin11:33:480
7450810,0irq/46-4a10000016316-21aten_r4power_po11:13:430
7450810,0irq/46-4a10000011429-21awk10:58:560
7350810,0irq/45-4a1000007008-21sed12:19:290
7350810,0irq/45-4a10000028449-21cyclictest10:15:580
7450800,0irq/46-4a1000002922-21fschecks_count10:33:570
322372805,0sleep032255-21ntpq10:24:160
28453998058,0cyclictest0-21swapper12:08:410
7450790,0irq/46-4a1000009576-21ls09:18:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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