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2026-01-07 - 10:31
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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 Jan 07, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501870,0irq/46-4a100000949-21seq19:07:070
265282960,0sleep026265-1kworker/u3:320:20:260
228762960,0sleep021942-1kworker/u3:021:44:360
2738629520,0sleep026072-21apt-get23:31:270
241782950,0sleep022570-1kworker/u3:023:22:520
196482950,0sleep06877-1kworker/u3:223:09:540
7450940,0irq/46-4a1000006122-21meminfo20:55:050
7450930,0irq/46-4a1000006551-21ntpq00:06:010
277082937,0sleep027747-21wc21:59:220
23102930,0sleep0312-1kworker/u3:222:19:350
7350920,0irq/45-4a10000023028-21/usr/sbin/munin20:09:570
7450910,0irq/46-4a1000009572-21missed_timers21:05:090
7450910,0irq/46-4a1000006150-21/usr/sbin/munin19:20:140
7450910,0irq/46-4a10000015696-21seq19:49:320
7450910,0irq/46-4a10000013244-21timerandwakeup19:40:190
7450910,0irq/46-4a10000012446-21cron00:24:170
7450910,0irq/46-4a10000011436-21sensors_temp19:35:160
1266999154,0cyclictest0-21swapper22:36:070
7450900,0irq/46-4a10000032006-21/usr/sbin/munin20:35:190
7450900,0irq/46-4a1000003113-21rt-features23:55:150
7450900,0irq/46-4a10000030223-21ntpq22:05:100
7450900,0irq/46-4a10000030020-21kernelversion20:30:360
7450900,0irq/46-4a10000025034-21fw_packets23:25:260
7450900,0irq/46-4a10000017918-21/usr/sbin/munin19:54:580
7450900,0irq/46-4a10000016430-21memory21:25:060
7450900,0irq/46-4a10000014008-21/usr/sbin/munin19:44:330
7450890,0irq/46-4a1000009727-21/usr/sbin/munin22:40:080
7450890,0irq/46-4a100000832-21fw_conntrack20:39:520
7450890,0irq/46-4a1000008016-21processes21:00:170
7450890,0irq/46-4a1000007578-21runrttasks19:24:540
7450890,0irq/46-4a1000005640-21/usr/sbin/munin22:30:190
7450890,0irq/46-4a1000005230-21runrttasks22:27:030
7450890,0irq/46-4a100000460-21snmpd21:40:200
7450890,0irq/46-4a100000460-21snmpd21:15:010
7450890,0irq/46-4a1000004327-21irqstats20:49:570
7450890,0irq/46-4a10000032101-21/usr/sbin/munin22:10:160
7450890,0irq/46-4a10000031988-21/usr/sbin/munin23:45:080
7450890,0irq/46-4a1000003008-21/usr/sbin/munin20:45:170
7450890,0irq/46-4a10000027994-21df20:24:470
7450890,0irq/46-4a10000024537-21df_abs20:14:420
7450890,0irq/46-4a10000019610-21idleruntime19:59:570
7450890,0irq/46-4a10000019443-21cstates21:34:380
7450890,0irq/46-4a10000017747-21df_abs21:29:410
1662328910,0sleep016624-21meminfo00:35:050
7450880,0irq/46-4a1000009133-21df_abs19:29:430
7450880,0irq/46-4a1000004873-21/usr/sbin/munin00:00:260
7450880,0irq/46-4a1000004181-21sshd19:15:140
7450880,0irq/46-4a10000029481-21munin-run23:39:180
7450880,0irq/46-4a10000024956-21sed21:50:020
7450880,0irq/46-4a10000021481-21fschecks_time23:14:530
7450880,0irq/46-4a10000015561-1kworker/u3:200:32:310
7450880,0irq/46-4a10000014415-21df_inode21:19:460
7450880,0irq/46-4a10000012925-21entropy00:24:470
7450880,0irq/46-4a10000011520-21/usr/sbin/munin22:45:130
7450880,0irq/46-4a10000010629-21seq00:18:340
7350880,0irq/45-4a10000027886-21aten_r4power_en21:59:360
7450870,0irq/46-4a10000030175-21sed23:40:010
7450870,0irq/46-4a10000021171-21/usr/sbin/munin20:04:490
7450870,0irq/46-4a1000002086-21awk22:19:180
7450870,0irq/46-4a1000002034-21nfs4_client19:10:080
7450870,0irq/46-4a10000017945-21/usr/sbin/munin23:04:410
7450870,0irq/46-4a10000016528-21latency23:00:020
7450870,0irq/46-4a10000015276-21users22:55:240
7450870,0irq/46-4a1000001449-21sendmail_mailtr23:50:150
7450870,0irq/46-4a10000010973-21diskstats21:09:480
7450860,0irq/46-4a1000007507-21wget00:09:360
7450860,0irq/46-4a10000013108-21/usr/sbin/munin22:50:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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