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2026-03-18 - 08:27
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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 18, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502500,0irq/45-4a10000098902sleep019:04:550
276729216,0sleep02771-21/usr/sbin/munin23:27:080
9152856,0sleep0918-21df_inode23:21:560
7350850,0irq/45-4a1000002761-21runrttasks20:17:040
7350850,0irq/45-4a10000016443-21fw_forwarded_lo00:07:070
7450830,0irq/46-4a100000460-21snmpd00:31:370
7450820,0irq/46-4a100000460-21snmpd23:46:170
7450820,0irq/46-4a10000028166-21df_abs23:06:550
7450820,0irq/46-4a10000025589-21sed22:57:340
7450820,0irq/46-4a10000018634-21ls22:37:330
245622829,0sleep024593-21wget19:46:480
194732820,0chrt18964-1kworker/u3:000:16:470
7450810,0irq/46-4a10000030057-21runrttasks23:12:040
7450810,0irq/46-4a1000001300-21seq21:47:250
7450810,0irq/46-4a10000010732-21ls22:16:370
7350810,0irq/45-4a10000026192-21latency_hist21:26:390
279092810,0chrt27459-1kworker/u3:119:56:410
7450800,0irq/46-4a1000009848-21runrttasks20:37:220
7450800,0irq/46-4a1000005775-21wget20:26:480
7450800,0irq/46-4a100000460-21snmpd21:45:290
7450800,0irq/46-4a10000023271-21fw_conntrack21:17:060
7450800,0irq/46-4a10000020470-21users22:42:350
7350800,0irq/45-4a10000010137-21cyclictest20:11:460
7450790,0irq/46-4a1000008871-21seq22:10:370
7450790,0irq/46-4a1000006810-21users23:37:360
7450790,0irq/46-4a100000460-21snmpd00:16:290
7450790,0irq/46-4a1000004475-21fw_conntrack21:57:060
7450790,0irq/46-4a10000030954-21seq20:04:300
7450790,0irq/46-4a1000002755-21chrt21:52:050
7450790,0irq/46-4a10000026697-21sshd23:02:080
7450790,0irq/46-4a10000024544-21/usr/sbin/munin00:32:140
7450790,0irq/46-4a10000022689-21idleruntime-cro19:41:360
7450790,0irq/46-4a10000022165-21sed00:22:330
7450790,0irq/46-4a10000019677-21df_abs21:06:550
7450790,0irq/46-4a10000015867-21basename22:31:360
7450790,0irq/46-4a10000015856-1kworker/u3:219:27:250
7350790,0irq/45-4a10000024752-21df21:21:530
7350790,0irq/45-4a10000012910-21fschecks_count19:12:210
41122790,0chrt4110-21aten_r4power_vo23:31:490
113922790,0sleep07262-1kworker/u3:023:52:160
7450780,0irq/46-4a1000007640-21df20:31:540
7450780,0irq/46-4a100000460-21snmpd21:05:130
7450780,0irq/46-4a10000031718-21fschecks_count20:07:020
7450780,0irq/46-4a10000027824-21sendmail-msp19:56:370
7450780,0irq/46-4a10000023925-21runrttasks19:42:510
7450780,0irq/46-4a10000021450-21/usr/sbin/munin22:46:590
7450780,0irq/46-4a10000019384-21/usr/sbin/munin19:31:450
7450780,0irq/46-4a10000017584-21sendmail-msp22:36:370
7450780,0irq/46-4a10000016438-21sshd19:22:080
7450780,0irq/46-4a10000014655-21sort00:02:020
7450780,0irq/46-4a10000014275-21/usr/sbin/munin19:17:280
7450780,0irq/46-4a10000013682-21runrttasks22:22:490
7450780,0irq/46-4a10000012852-1kworker/u3:220:57:040
7450780,0irq/46-4a10000011833-21munin-plugin-st19:11:370
7450780,0irq/46-4a10000011507-21ntp_kernel_err20:42:200
7450770,0irq/46-4a1000009443-21df_inode23:46:560
7450770,0irq/46-4a1000005465-1kworker/u3:220:26:110
7450770,0irq/46-4a10000020851-1kworker/u3:121:11:490
7450770,0irq/46-4a10000013444-21sensors20:47:300
7450770,0irq/46-4a10000012550-21ls23:56:410
7450770,0irq/46-4a10000010729-21latency_hist22:16:410
7350770,0irq/45-4a10000022813-21cut22:51:450
7450760,0irq/46-4a10000031625-21df_abs23:16:550
7450760,0irq/46-4a10000028670-21seq21:32:250
7450760,0irq/46-4a10000015624-21chrt20:54:580
7450750,0irq/46-4a10000030928-21chrt21:39:090
7350750,0irq/45-4a1000005826-21aten_r4power_vo22:01:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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