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2026-03-25 - 20:39
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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 Wed Mar 25, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502580,0irq/46-4a1000002796-1kworker/u3:007:01:410
51909913871,0cyclictest0-21swapper12:16:530
51909913151,0cyclictest0-21swapper07:32:090
5190999371,0cyclictest0-21swapper11:52:110
5190999354,0cyclictest0-21swapper11:57:080
5190999259,0cyclictest0-21swapper09:57:160
5190999258,0cyclictest0-21swapper10:27:090
5190999257,0cyclictest0-21swapper11:42:080
5190999257,0cyclictest0-21swapper07:42:160
5190999159,0cyclictest0-21swapper08:46:500
5190999158,0cyclictest0-21swapper08:41:440
5190999158,0cyclictest0-21swapper08:17:170
5190999158,0cyclictest0-21swapper07:12:320
5190999066,0cyclictest0-21swapper09:52:130
5190999058,0cyclictest0-21swapper11:11:420
5190999057,0cyclictest0-21swapper09:41:540
5190999057,0cyclictest0-21swapper07:46:340
5190999056,0cyclictest0-21swapper11:37:150
5190999056,0cyclictest0-21swapper08:36:300
5190999055,0cyclictest0-21swapper09:02:140
5190998967,0cyclictest0-21swapper12:21:330
5190998958,0cyclictest0-21swapper10:21:580
5190998956,0cyclictest0-21swapper12:32:160
5190998956,0cyclictest0-21swapper11:32:030
5190998955,0cyclictest0-21swapper08:27:100
7350880,0irq/45-4a10000027921-1kworker/u3:208:15:340
7350880,0irq/45-4a10000024616-21cat08:01:220
5190998867,0cyclictest0-21swapper12:27:080
5190998855,0cyclictest0-21swapper08:22:040
5190998754,0cyclictest0-21swapper09:17:180
5190998656,0cyclictest0-21swapper08:06:310
5190998654,0cyclictest0-21swapper08:57:050
5190998653,0cyclictest0-21swapper07:51:520
5190998562,0cyclictest0-21swapper07:07:010
5190998454,0cyclictest0-21swapper09:27:160
5190998449,0cyclictest0-21swapper11:02:110
5190998352,0cyclictest0-21swapper09:32:100
5190998351,0cyclictest0-21swapper07:21:580
7450820,0irq/46-4a1000002533-21runrttasks08:31:300
7450820,0irq/46-4a10000019044-1kworker/u3:010:57:210
5190998259,0cyclictest0-21swapper10:52:220
5190998249,0cyclictest0-21swapper11:07:140
5190998248,0cyclictest0-21swapper08:02:170
210412820,0sleep020877-1kworker/u3:109:25:290
5190998160,0cyclictest0-21swapper12:12:040
5190998160,0cyclictest0-21swapper07:17:130
5190998159,0cyclictest0-21swapper11:47:090
5190998152,0cyclictest0-21swapper07:37:190
7450800,0irq/46-4a10000012883-21egrep07:26:320
7350800,0irq/45-4a100000820-21aten_r4power_en10:01:290
7350800,0irq/45-4a1000005186-21cyclictest10:12:060
7350800,0irq/45-4a10000028139-21seq11:21:270
7350800,0irq/45-4a10000024744-21cut09:36:280
7350800,0irq/45-4a10000014541-21cut10:41:300
5190998060,0cyclictest0-21swapper09:47:140
7450790,0irq/46-4a1000002795-21chrt10:06:420
7450790,0irq/46-4a10000010915-21sendmail08:56:200
7350790,0irq/45-4a10000016576-21fschecks_time09:11:470
7350790,0irq/45-4a10000014647-21df09:06:360
5190997957,0cyclictest0-21swapper10:32:070
7450780,0irq/46-4a1000009330-21/usr/sbin/munin12:01:360
7450780,0irq/46-4a100000460-21snmpd11:27:110
7450780,0irq/46-4a10000012958-21chrt10:36:340
5190997847,0cyclictest0-21swapper12:06:310
7350770,0irq/45-4a1000006506-21grep10:16:590
7350770,0irq/45-4a10000016466-21diskstats10:46:440
7450760,0irq/46-4a10000026533-21wget11:16:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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