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2026-03-29 - 15:28
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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 Mar 29, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74508440,0irq/46-4a100000186722chrt07:04:570
18871999756,0cyclictest0-21swapper07:06:450
18871999460,0cyclictest0-21swapper11:02:030
18871999457,0cyclictest0-21swapper08:56:580
7350920,0irq/45-4a10000023543-21/usr/sbin/munin07:16:470
248232910,0sleep024327-1kworker/u3:012:06:230
18871999169,0cyclictest0-21swapper09:11:430
18871999160,0cyclictest0-21swapper07:32:110
18871999158,0cyclictest0-21swapper07:41:360
18871999157,0cyclictest0-21swapper08:37:070
7450900,0irq/46-4a1000006186-21sed08:01:300
7350900,0irq/45-4a10000022596-1kworker/u3:112:26:470
7350900,0irq/45-4a10000015852-1kworker/u3:108:31:110
18871999069,0cyclictest0-21swapper10:06:300
18871999059,0cyclictest0-21swapper11:32:030
18871999057,0cyclictest0-21swapper11:56:530
18871999057,0cyclictest0-21swapper09:16:560
18871999056,0cyclictest0-21swapper10:17:100
7350890,0irq/45-4a10000010619-1kworker/u3:008:18:580
18871998958,0cyclictest0-21swapper10:56:460
18871998957,0cyclictest0-21swapper11:12:100
18871998956,0cyclictest0-21swapper12:11:260
18871998955,0cyclictest0-21swapper07:51:340
7350880,0irq/45-4a1000008835-1kworker/u3:109:47:080
18871998856,0cyclictest0-21swapper10:47:010
18871998856,0cyclictest0-21swapper09:41:460
18871998856,0cyclictest0-21swapper09:01:350
18871998856,0cyclictest0-21swapper07:27:070
18871998855,0cyclictest0-21swapper11:42:130
18871998855,0cyclictest0-21swapper10:26:590
7450870,0irq/46-4a1000008097-21runrttasks11:16:430
7450870,0irq/46-4a10000028728-21memory09:06:540
7450870,0irq/46-4a10000026170-1kworker/u3:110:54:520
7450870,0irq/46-4a10000019744-21cpuspeed11:51:250
7450870,0irq/46-4a1000001204-21perl12:31:360
7350870,0irq/45-4a100000460-21snmpd07:12:440
18871998766,0cyclictest0-21swapper07:46:420
7450860,0irq/46-4a1000009798-21fw_forwarded_lo11:21:420
7450860,0irq/46-4a1000009514-21cstates08:11:250
7450860,0irq/46-4a1000005298-21vmstat07:57:180
7450860,0irq/46-4a10000028647-21if_eth012:16:440
7450860,0irq/46-4a10000025030-21/usr/sbin/munin10:31:340
7450860,0irq/46-4a1000002372-21munin-plugin-st09:26:100
7450860,0irq/46-4a10000010536-1kworker/u3:009:52:380
18871998665,0cyclictest0-21swapper11:06:300
18871998654,0cyclictest0-21swapper08:21:360
18871998653,0cyclictest0-21swapper09:26:560
7450850,0irq/46-4a1000006096-21cpuspeed09:36:240
7450850,0irq/46-4a10000028139-21/usr/sbin/munin10:41:590
7450850,0irq/46-4a10000021971-21ntp_offset08:46:580
7350850,0irq/45-4a10000030250-21fschecks_time07:36:360
7350850,0irq/45-4a10000020205-21sort08:41:530
18871998552,0cyclictest0-21swapper07:22:030
150602857,0sleep015061-21meminfo10:01:520
7450840,0irq/46-4a1000005804-21sendmail-msp09:36:110
7450840,0irq/46-4a100000460-21snmpd10:24:060
7450840,0irq/46-4a10000030315-21fw_forwarded_lo12:21:460
7450840,0irq/46-4a10000023006-21/usr/sbin/munin12:02:000
7450840,0irq/46-4a10000018313-21fw_conntrack11:46:400
7450840,0irq/46-4a10000017891-21aten_r4power_en10:11:200
7450840,0irq/46-4a10000015734-21runrttasks11:38:430
7450840,0irq/46-4a10000011002-21date11:26:130
18871998451,0cyclictest0-21swapper10:36:350
7450830,0irq/46-4a10000017239-21vmstat08:32:130
7350830,0irq/45-4a10000023901-21switchtime08:52:040
18871998360,0cyclictest0-21swapper09:56:330
18871998351,0cyclictest0-21swapper08:07:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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