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2026-03-29 - 10:55
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Sun Mar 29, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27100212450,0chrt25567-1kworker/u3:019:02:400
7350960,0irq/45-4a10000019555-1kworker/u3:023:30:460
7450940,0irq/46-4a1000004897-21kernelversion19:31:570
7450940,0irq/46-4a10000019825-21/usr/sbin/munin21:51:240
7450940,0irq/46-4a10000014712-21aten_r4power_vo21:36:230
7450930,0irq/46-4a1000003104-21fw_packets19:26:440
7450930,0irq/46-4a10000017711-1kworker/u3:223:22:220
7450930,0irq/46-4a1000001553-21seq22:31:540
7450930,0irq/46-4a10000015428-21mailstats23:12:030
7450920,0irq/46-4a1000006482-21perl22:46:380
7450920,0irq/46-4a10000032147-1kworker/u3:122:27:430
7450920,0irq/46-4a10000031081-21users23:57:140
7450920,0irq/46-4a10000030842-21sendmail_mailst19:12:230
7450920,0irq/46-4a10000028960-21ntp_kernel_pll_23:51:590
7450920,0irq/46-4a10000026647-21aten_r4power_vo22:11:240
7450920,0irq/46-4a10000011904-21open_inodes19:52:030
7350920,0irq/45-4a1000009263-21runrttasks22:55:360
12542929,0sleep01257-21diskstats20:56:340
7450910,0irq/46-4a1000004684-1kworker/u3:222:45:140
7450910,0irq/46-4a10000031703-21/usr/sbin/munin19:16:210
7450910,0irq/46-4a10000030693-21ntp_offset22:21:590
7450910,0irq/46-4a1000002735-21aten_r4power_po22:36:230
7450910,0irq/46-4a10000025457-21runrttasks22:06:530
7450910,0irq/46-4a1000002309-21runrttasks19:24:310
7450910,0irq/46-4a10000021868-21fschecks_time23:31:400
7450910,0irq/46-4a10000014815-21runrttasks20:01:270
7450910,0irq/46-4a10000010559-21users00:32:110
7450900,0irq/46-4a1000009253-21chrt21:20:240
7450900,0irq/46-4a1000008123-21sort00:26:370
7450900,0irq/46-4a10000032322-21memory00:01:540
7450900,0irq/46-4a10000028286-1kworker/u3:120:55:450
7450900,0irq/46-4a10000026764-21cstates20:36:270
7450900,0irq/46-4a10000026045-1kworker/u3:220:36:090
7450900,0irq/46-4a10000023348-21df20:26:260
7450900,0irq/46-4a10000018461-21fw_conntrack20:11:420
7450900,0irq/46-4a10000018225-21df21:46:260
7450900,0irq/46-4a1000001428-21if_err_eth000:06:460
7450900,0irq/46-4a10000012290-21runrttasks21:27:240
7450900,0irq/46-4a10000011797-21meminfo23:01:520
7450900,0irq/46-4a10000010311-21fgrep21:22:040
7450900,0irq/46-4a10000010246-21proc_pri22:57:030
7450890,0irq/46-4a1000009163-1kworker/u3:119:50:000
7450890,0irq/46-4a1000007546-21runrttasks00:25:210
7450890,0irq/46-4a1000006111-21cut19:36:220
7450890,0irq/46-4a1000005437-21chrt21:07:150
7450890,0irq/46-4a10000032147-1kworker/u3:123:38:580
7450890,0irq/46-4a10000028480-21/usr/sbin/munin19:07:040
7450890,0irq/46-4a10000026575-21aten_r4power_cu23:46:200
7450890,0irq/46-4a10000025085-21/usr/sbin/munin23:41:290
7450890,0irq/46-4a10000024702-1kworker/u3:122:20:190
7450890,0irq/46-4a10000021528-21wget20:21:230
7450890,0irq/46-4a10000021425-21ls21:56:160
7450890,0irq/46-4a10000016557-21sed23:16:310
7450890,0irq/46-4a10000014203-21runrttasks23:09:100
7450880,0irq/46-4a1000007411-21sshd21:14:250
7450880,0irq/46-4a1000004407-21cut00:16:220
7450880,0irq/46-4a1000003701-21sed00:12:100
7450880,0irq/46-4a10000028449-21seq20:41:250
7450880,0irq/46-4a1000002704-21aten_r4power_en21:01:220
7450880,0irq/46-4a10000023311-21cpu22:01:240
7450880,0irq/46-4a10000014080-21chrt21:33:050
7450880,0irq/46-4a10000013498-21meminfo19:56:510
7450870,0irq/46-4a1000009047-21seq19:43:490
7450870,0irq/46-4a10000030141-21/usr/sbin/munin20:46:240
7450870,0irq/46-4a10000016521-21expr21:41:260
201852878,0sleep020187-21fw_conntrack20:16:420
7350860,0irq/45-4a10000016304-21/usr/sbin/munin20:06:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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