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2026-04-15 - 12:58
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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 Apr 15, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502880,0irq/46-4a10000021560-1kworker/u3:119:04:470
293082846,0sleep029314-21ntp_states22:06:180
7350830,0irq/45-4a1000008406-21df_abs22:40:520
7450820,0irq/46-4a10000022682-21chrt21:46:300
7450810,0irq/46-4a100000460-21snmpd20:53:420
7450810,0irq/46-4a10000016775-21aten_r4power_vo23:05:450
7450810,0irq/46-4a10000015266-21seq21:25:590
7350810,0irq/45-4a100000460-21snmpd22:24:050
7450800,0irq/46-4a100000558-21/usr/sbin/munin19:10:360
7450800,0irq/46-4a1000005082-21grep00:06:010
7450800,0irq/46-4a100000460-21snmpd23:44:510
7450800,0irq/46-4a100000460-21snmpd22:29:210
7450800,0irq/46-4a100000460-21snmpd21:13:500
7450800,0irq/46-4a10000030781-21seq23:46:010
7450800,0irq/46-4a10000030194-21sendmail20:35:330
7450800,0irq/46-4a10000025504-21seq23:30:510
7450800,0irq/46-4a10000023797-21chrt21:50:540
7450800,0irq/46-4a10000023383-21awk23:25:320
7450800,0irq/46-4a10000019933-21cron23:15:310
7450800,0irq/46-4a10000014549-21runrttasks19:48:310
7450800,0irq/46-4a10000011835-21df_abs00:25:520
7350800,0irq/45-4a10000018243-21awk21:35:320
146292800,0sleep014382-1kworker/u3:222:58:570
7450790,0irq/46-4a1000008213-21aten_r4power_en00:15:430
7450790,0irq/46-4a1000006728-21runrttasks22:35:530
7450790,0irq/46-4a100000460-21snmpd19:38:100
7450790,0irq/46-4a10000026028-21gzip20:21:280
7450790,0irq/46-4a10000020546-21runrttasks21:41:050
7450790,0irq/46-4a10000017776-21chrt19:56:490
7350790,0irq/45-4a1000006437-21aten_r4power_en19:25:430
143552790,0chrt12952-1kworker/u3:221:21:410
7450780,0irq/46-4a1000009678-1kworker/u3:222:46:050
7450780,0irq/46-4a100000800-21chrt20:42:380
7450780,0irq/46-4a100000460-21snmpd22:14:150
7450780,0irq/46-4a100000460-21snmpd19:23:040
7450780,0irq/46-4a10000032660-21memory23:51:180
7450780,0irq/46-4a10000028261-21seq22:03:420
7450780,0irq/46-4a10000023558-21wget20:15:430
7450780,0irq/46-4a10000019922-21cron20:05:310
7450780,0irq/46-4a10000013704-21perl00:30:590
7350780,0irq/45-4a1000002970-21chrt00:00:350
149322780,0sleep014809-1kworker/u3:119:50:390
7450770,0irq/46-4a1000007057-21runrttasks21:01:180
7450770,0irq/46-4a100000665-21users22:16:340
7450770,0irq/46-4a100000460-21snmpd21:39:000
7450770,0irq/46-4a100000460-21snmpd19:18:030
7450770,0irq/46-4a1000003262-1kworker/u3:021:16:490
7450770,0irq/46-4a10000025214-21/usr/sbin/munin21:56:110
7450770,0irq/46-4a10000023221-1kworker/u3:020:25:440
7450770,0irq/46-4a10000019813-1kworker/u3:123:16:190
7450770,0irq/46-4a10000013011-21runrttasks22:54:490
7350770,0irq/45-4a10000023517-21basename23:25:420
7350770,0irq/45-4a10000021966-21cstates20:10:490
7350770,0irq/45-4a10000012414-21seq19:41:270
65182776,0sleep06551-21wc00:10:460
7450760,0irq/46-4a1000009508-21chrt19:34:120
7450760,0irq/46-4a100000900-21chrt19:10:460
7450760,0irq/46-4a10000028460-1kworker/u3:220:56:180
7450760,0irq/46-4a1000002823-1kworker/u3:000:04:300
7450760,0irq/46-4a10000027458-21runrttasks23:36:070
7450760,0irq/46-4a10000021351-21runrttasks20:08:160
7450760,0irq/46-4a10000014809-1kworker/u3:120:35:490
7450760,0irq/46-4a10000010102-21runrttasks00:20:500
7350760,0irq/45-4a1000008325-21df21:05:500
157742760,0chrt14382-1kworker/u3:223:01:250
7450750,0irq/46-4a1000003459-1kworker/u3:022:31:190
7450740,0irq/46-4a1000001026-1kworker/u3:120:45:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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