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2026-06-11 - 06:18
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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 Thu Jun 11, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502660,0irq/46-4a10000012-21ksoftirqd/019:05:560
7450970,0irq/46-4a1000002413-21sendmail-msp23:19:520
7450950,0irq/46-4a1000009355-21/usr/sbin/munin23:40:460
7450950,0irq/46-4a1000009245-21sendmail-msp23:39:540
7450950,0irq/46-4a100000452-21snmpd22:00:320
7450950,0irq/46-4a10000025852-1kworker/u3:122:52:050
7450950,0irq/46-4a10000021782-21fw_packets21:05:260
7450950,0irq/46-4a10000020209-21meminfo19:25:310
213402950,0sleep020965-1kworker/u3:000:15:010
7450940,0irq/46-4a10000023486-21seq00:20:220
7450940,0irq/46-4a10000011357-21diskstats22:10:140
3342940,0sleep031407-1kworker/u3:023:12:150
7450930,0irq/46-4a1000009660-21diskstats22:05:140
7450930,0irq/46-4a1000005980-21wget21:55:020
7450930,0irq/46-4a100000452-21snmpd19:54:050
7450930,0irq/46-4a1000004426-21df20:15:080
7450930,0irq/46-4a10000028801-21ntpq00:35:380
7450930,0irq/46-4a10000028594-21cut21:25:220
7450930,0irq/46-4a10000026626-21cstates22:55:060
7450930,0irq/46-4a10000025186-21fw_conntrack19:40:240
7450930,0irq/46-4a10000020135-21/usr/sbin/munin22:35:280
7450930,0irq/46-4a10000018623-21open_inodes20:55:410
7450930,0irq/46-4a10000018109-21expr00:05:050
7450930,0irq/46-4a10000017898-21/usr/sbin/munin19:20:480
7450930,0irq/46-4a10000016608-21grep20:50:180
7450930,0irq/46-4a10000016164-21latency_hist22:24:550
7450930,0irq/46-4a10000014321-21cron23:54:490
7450930,0irq/46-4a1000001424-21/usr/sbin/munin21:40:360
7450930,0irq/46-4a10000013425-21nfs_client20:40:380
7450930,0irq/46-4a10000010927-21latency_hist20:34:510
7350930,0irq/45-4a10000028215-21aten_r4power_po23:00:030
7350930,0irq/45-4a10000017766-21munin-run19:19:540
7450920,0irq/46-4a1000008924-21runrttasks20:27:280
7450920,0irq/46-4a100000452-21snmpd21:45:200
7450920,0irq/46-4a10000030014-21/usr/sbin/munin23:05:030
7450920,0irq/46-4a10000028024-21munin-plugin-st00:34:510
7450920,0irq/46-4a10000024931-21df21:15:080
7450920,0irq/46-4a10000023460-21/usr/sbin/munin19:35:210
7450920,0irq/46-4a10000023041-21wget21:10:010
7450920,0irq/46-4a1000001833-21unixbench_singl20:05:480
7450920,0irq/46-4a10000016731-21irqstats00:00:300
7450920,0irq/46-4a10000015569-21chmod19:14:550
7450920,0irq/46-4a10000014572-21aten_r4power_vo23:55:040
7450920,0irq/46-4a10000011367-21/usr/sbin/munin20:35:140
7450920,0irq/46-4a10000011299-21df_abs23:45:090
7450910,0irq/46-4a1000007032-21pure-ftpd20:20:550
7450910,0irq/46-4a1000004334-21aten_r4power_vo21:50:040
7450910,0irq/46-4a10000030368-21irqstats19:55:280
7450910,0irq/46-4a10000030291-21tune2fs21:30:210
7450910,0irq/46-4a1000002953-21runrttasks20:10:200
7450910,0irq/46-4a10000025182-21perl00:25:170
7450910,0irq/46-4a10000022190-21sensors_temp19:30:460
7450910,0irq/46-4a10000019809-21seq21:00:070
7450910,0irq/46-4a10000018752-21sendmail_mailtr22:30:460
145072910,0sleep014179-1kworker/u3:020:45:020
7450900,0irq/46-4a1000003337-21zcat23:20:430
7450900,0irq/46-4a10000032737-21runrttasks21:36:410
7450900,0irq/46-4a10000031973-21runrttasks20:00:200
7450900,0irq/46-4a10000026508-21aten_r4power_po19:45:030
7450900,0irq/46-4a10000026503-21grep21:20:030
7450900,0irq/46-4a10000023542-21irqstats22:45:270
7450900,0irq/46-4a10000015307-21sendmail_mailqu22:20:430
7350900,0irq/45-4a10000019687-21aten_r4power_po00:10:020
7450890,0irq/46-4a1000006226-21runrttasks23:30:100
7450890,0irq/46-4a1000005610-21chrt23:28:200
7450890,0irq/46-4a10000021776-21fw_forwarded_lo22:40:240
7450880,0irq/46-4a10000013201-21fw_conntrack22:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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