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2026-06-12 - 06:00
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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 Fri Jun 12, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74507940,0irq/46-4a100000173142sleep019:04:540
7450850,0irq/46-4a10000010451-1kworker/u3:021:55:280
7450840,0irq/46-4a10000028699-21runrttasks21:10:260
7450840,0irq/46-4a10000013106-21diskstats23:35:120
7350840,0irq/45-4a1000006583-21runrttasks20:05:330
7350840,0irq/45-4a10000020454-21zcat20:45:390
30102840,0chrt1127-1kworker/u3:121:30:210
7450830,0irq/46-4a1000003579-21runrttasks19:55:460
7450830,0irq/46-4a1000002457-21sendmail-msp00:39:500
7450830,0irq/46-4a10000010972-21awk21:54:490
7350830,0irq/45-4a10000024699-21date20:59:540
7350830,0irq/45-4a10000011105-21basename20:19:580
322032836,0sleep032204-21meminfo19:45:310
230482830,0sleep020951-1kworker/u3:219:19:550
181522830,0chrt16815-1kworker/u3:222:15:070
161982830,0sleep08898-1kworker/u3:223:44:530
7450820,0irq/46-4a100000452-21snmpd21:18:110
7450820,0irq/46-4a1000004484-21df_abs20:00:070
7450820,0irq/46-4a10000028989-21find19:35:410
7450820,0irq/46-4a10000026865-21tune2fs22:40:170
7450820,0irq/46-4a10000018671-21pluginstate20:40:400
7350820,0irq/45-4a1000009837-21/usr/sbin/munin20:15:220
209522820,0chrt20951-1kworker/u3:219:15:050
173112820,0chrt16815-1kworker/u3:222:11:000
7450810,0irq/46-4a1000008039-21grep21:45:120
7450810,0irq/46-4a1000006436-21runrttasks21:40:210
7450810,0irq/46-4a10000032036-21grep21:20:200
7450810,0irq/46-4a10000025354-21runrttasks00:10:310
7450810,0irq/46-4a10000025076-21diskstats21:00:110
7450810,0irq/46-4a10000021636-21sshd20:50:080
7450810,0irq/46-4a10000020283-21missed_timers22:20:350
7350810,0irq/45-4a10000029042-21mailstats22:45:420
7350810,0irq/45-4a10000017818-21sendmail-msp20:39:530
265502810,0chrt25905-1kworker/u3:200:15:000
241242819,0sleep024126-21/usr/sbin/munin22:30:500
141542810,0chrt10931-1kworker/u3:120:28:020
7450800,0irq/46-4a1000007674-21runrttasks23:19:550
7450800,0irq/46-4a1000006265-21df_inode23:15:120
7450800,0irq/46-4a1000003261-21runrttasks23:05:380
7450800,0irq/46-4a10000030003-21/usr/sbin/munin22:50:030
7450800,0irq/46-4a10000028185-21cat00:19:550
7450800,0irq/46-4a10000025077-21diskstats22:35:130
7450800,0irq/46-4a1000002425-21munin-run19:54:490
7450800,0irq/46-4a10000022536-21runrttasks00:01:340
7450800,0irq/46-4a10000020750-21sed19:14:540
7450800,0irq/46-4a10000015580-21chrt22:05:490
7450800,0irq/46-4a10000011179-21runrttasks23:30:000
7450790,0irq/46-4a1000009727-21fschecks_count23:25:130
7450790,0irq/46-4a1000009188-21runrttasks20:14:290
7450790,0irq/46-4a100000856-21/usr/sbin/munin21:25:440
7450790,0irq/46-4a100000745-1kworker/u3:123:01:320
7450790,0irq/46-4a100000621-21runrttasks22:59:130
7450790,0irq/46-4a1000005246-21/usr/sbin/munin23:10:450
7450790,0irq/46-4a1000004788-21irqstats21:35:270
7450790,0irq/46-4a100000452-21snmpd21:08:050
7450790,0irq/46-4a10000030917-21awk19:40:470
7450790,0irq/46-4a10000027702-21runrttasks19:32:070
7450790,0irq/46-4a10000023521-21fw_conntrack00:05:190
7450790,0irq/46-4a10000022529-21runrttasks22:26:340
7450790,0irq/46-4a10000018909-21ls23:50:460
7450790,0irq/46-4a10000014820-21df_inode23:40:120
7350790,0irq/45-4a10000012696-21sendmail-msp22:00:070
7450780,0irq/46-4a10000024769-21/usr/sbin/munin19:25:070
7450780,0irq/46-4a10000020313-21grep23:55:360
7450780,0irq/46-4a10000014850-21fschecks_count20:30:140
316752780,0sleep031427-1kworker/u3:100:30:000
7450770,0irq/46-4a10000030250-21sshd00:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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