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2025-11-19 - 03:40
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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 Nov 19, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a1000002100-21runrttasks19:04:390
7350920,0irq/45-4a10000011148-21runrttasks00:14:450
145042920,0sleep013524-1kworker/u3:100:24:350
7450890,0irq/46-4a100000443-21snmpd19:39:570
7450870,0irq/46-4a100000777-21fw_conntrack23:44:300
7450870,0irq/46-4a100000443-21snmpd20:17:570
7450860,0irq/46-4a1000006105-21threads20:49:280
7450860,0irq/46-4a10000011022-21runrttasks21:04:200
7350860,0irq/45-4a1000001731-21/usr/sbin/munin20:38:500
7450850,0irq/46-4a100000950-21chrt22:09:250
7450850,0irq/46-4a10000031133-21fschecks_count20:28:570
7450850,0irq/46-4a10000027301-21copy20:18:590
7450850,0irq/46-4a1000002213-21fschecks_count22:13:580
7450850,0irq/46-4a10000012018-21awk22:43:250
7350850,0irq/45-4a10000022562-21df21:39:010
7350850,0irq/45-4a10000013573-21sshd00:21:200
182832850,0chrt17953-1kworker/u3:000:34:280
7450840,0irq/46-4a1000008299-21chrt00:05:130
7450840,0irq/46-4a1000007182-21diskstats20:53:550
7450840,0irq/46-4a1000006022-21meminfo23:59:110
7450840,0irq/46-4a100000443-21snmpd22:24:200
7450840,0irq/46-4a1000004194-21seq22:19:150
7450840,0irq/46-4a10000031555-21irqstats23:39:100
7450840,0irq/46-4a10000026179-21df_inode23:23:510
7450840,0irq/46-4a10000024807-21ls23:19:150
7450840,0irq/46-4a10000022759-21latency20:04:090
7450840,0irq/46-4a10000020703-21aten_r4power_vo21:33:430
7450840,0irq/46-4a10000019633-21proc_pri21:29:240
7450840,0irq/46-4a10000015975-21fschecks_time22:53:590
7450840,0irq/46-4a1000001518-1kworker/u3:020:47:130
7450840,0irq/46-4a10000013499-21https19:38:270
7450830,0irq/46-4a1000005379-21diskstats19:14:120
7450830,0irq/46-4a1000004325-21munin-setwarn19:13:270
7450830,0irq/46-4a1000004170-1kworker/u3:219:18:390
7450830,0irq/46-4a1000003942-21df_abs23:53:510
7450830,0irq/46-4a10000031923-21unixbench_singl22:04:320
7450830,0irq/46-4a100000316-21diskstats20:33:550
7450830,0irq/46-4a10000030025-21open_files23:34:230
7450830,0irq/46-4a10000028053-21runrttasks21:54:140
7450830,0irq/46-4a10000027656-21aten_r4power_po23:28:420
7450830,0irq/46-4a1000002175-21runrttasks23:48:480
7450830,0irq/46-4a10000020927-21ls23:08:540
7450830,0irq/46-4a10000017475-21sed21:23:530
7450830,0irq/46-4a10000017075-21wget19:48:420
7450830,0irq/46-4a10000015734-21df_abs21:18:500
7450830,0irq/46-4a10000012426-21df_abs22:43:520
7350830,0irq/45-4a10000026033-21chrt21:48:530
2606998359,0cyclictest0-21swapper00:08:390
7450820,0irq/46-4a1000009158-21perl22:34:000
7450820,0irq/46-4a1000008681-21aten_r4power_po20:58:430
7450820,0irq/46-4a1000007957-21timerandwakeup22:29:290
7450820,0irq/46-4a10000029516-21chrt20:24:030
7450820,0irq/46-4a10000023908-21seq20:08:420
7450820,0irq/46-4a10000023074-21ls23:14:180
7450820,0irq/46-4a100000187402sleep019:53:320
7450820,0irq/46-4a10000015329-21/usr/sbin/munin19:43:480
7450820,0irq/46-4a10000014678-21fgrep22:49:230
7450820,0irq/46-4a10000012433-21sshd21:08:580
7450820,0irq/46-4a10000010726-21grep19:29:110
195442829,0sleep019546-21irqstats23:04:080
7450810,0irq/46-4a1000009312-21sendmail_mailst19:24:240
7450810,0irq/46-4a100000443-21snmpd21:43:480
7450810,0irq/46-4a10000029142-21cut21:58:290
7450810,0irq/46-4a10000020504-21hostname19:58:440
7450810,0irq/46-4a10000016032-21fschecks_count00:29:010
7450810,0irq/46-4a10000014143-21tune2fs21:13:580
7450800,0irq/46-4a10000017693-21/usr/sbin/munin22:59:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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