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2026-04-05 - 13:46
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sun Apr 05, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a10000010541-21runrttasks07:05:400
7350940,0irq/45-4a10000019419-21irqstats09:06:370
287552930,0sleep028431-1kworker/u3:007:58:540
10651999358,0cyclictest0-21swapper12:21:370
10651999358,0cyclictest0-21swapper07:32:040
10651999271,0cyclictest0-21swapper11:06:580
10651999259,0cyclictest0-21swapper07:37:040
10651999257,0cyclictest0-21swapper08:36:590
7350910,0irq/45-4a1000006588-1kworker/u3:208:29:310
10651999157,0cyclictest0-21swapper07:46:350
10651999156,0cyclictest0-21swapper12:06:580
88162900,0sleep08332-1kworker/u3:111:46:140
7350900,0irq/45-4a10000013529-1kworker/u3:208:53:250
44862900,0sleep015126-1kworker/u3:208:22:010
18922907,0sleep01948-21/usr/sbin/munin11:26:100
10651999062,0cyclictest0-21swapper08:31:110
10651999058,0cyclictest0-21swapper08:01:330
10651999057,0cyclictest0-21swapper10:12:000
10651999057,0cyclictest0-21swapper08:17:010
10651999056,0cyclictest0-21swapper09:36:530
10651998959,0cyclictest0-21swapper09:51:450
243062889,0sleep024309-21df_inode10:56:190
10651998867,0cyclictest0-21swapper11:51:440
10651998856,0cyclictest0-21swapper07:51:470
10651998856,0cyclictest0-21swapper07:26:090
7450870,0irq/46-4a10000032504-21cut09:46:010
7450870,0irq/46-4a10000014188-21fschecks_time10:26:290
7450870,0irq/46-4a10000012572-21seq10:21:410
7350870,0irq/45-4a10000023446-1kworker/u3:109:20:440
7350870,0irq/45-4a10000020857-21df_abs10:46:160
7350870,0irq/45-4a10000016989-1kworker/u3:209:05:080
268552870,0chrt25137-1kworker/u3:211:02:290
10651998764,0cyclictest0-21swapper07:41:580
10651998755,0cyclictest0-21swapper12:26:060
10651998755,0cyclictest0-21swapper08:46:080
10651998755,0cyclictest0-21swapper08:07:020
7450860,0irq/46-4a100000808-21ntp_states09:46:530
7450860,0irq/46-4a10000011787-21seq07:07:050
10651998654,0cyclictest0-21swapper07:16:570
7450850,0irq/46-4a10000032529-21/usr/sbin/munin11:21:430
7450850,0irq/46-4a10000013611-21sh12:00:550
7350850,0irq/45-4a10000026039-21/usr/sbin/munin09:26:220
10651998552,0cyclictest0-21swapper10:51:030
10651998552,0cyclictest0-21swapper08:41:540
85452840,0sleep08332-1kworker/u3:111:45:580
7450840,0irq/46-4a1000004247-21grep11:31:560
7450840,0irq/46-4a10000028407-21grep09:31:580
7450840,0irq/46-4a10000025051-21users12:32:030
7450840,0irq/46-4a10000024852-21rt-features09:21:550
7450840,0irq/46-4a10000016121-21missed_timers07:21:520
7450840,0irq/46-4a10000011190-21find10:16:540
7350840,0irq/45-4a1000006933-21aten_r4power_cu10:06:040
7350840,0irq/45-4a10000017348-1kworker/u3:210:39:180
10651998453,0cyclictest0-21swapper10:41:390
7450830,0irq/46-4a1000006230-21sed11:37:000
7450830,0irq/46-4a100000537-21fw_conntrack08:11:260
7450830,0irq/46-4a1000003832-21runrttasks09:56:210
7450830,0irq/46-4a10000020922-21grep09:11:200
7450830,0irq/46-4a10000017243-21cpu12:11:060
7450830,0irq/46-4a10000014011-21df_abs12:01:190
7450830,0irq/46-4a10000012617-21munin-node07:11:090
7450820,0irq/46-4a1000005577-21tune2fs10:01:230
7450820,0irq/46-4a10000032387-21cron11:20:540
7450820,0irq/46-4a10000029875-21ps11:11:540
7450820,0irq/46-4a10000015874-21grep08:56:250
7450810,0irq/46-4a10000016275-21/usr/sbin/munin10:31:520
7450800,0irq/46-4a10000018915-21aten_r4power_en12:16:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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