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2026-09-01 - 18:47
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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 Tue Sep 01, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502810,0irq/45-4a10000018483-1kworker/u3:107:04:280
26811210011,0sleep026812-21sshd12:07:260
21464999561,0cyclictest0-21swapper08:09:570
7450930,0irq/46-4a1000009986-21sendmail-msp11:22:510
7450930,0irq/46-4a10000030457-21sendmail-msp12:20:130
7450930,0irq/46-4a10000027149-21sendmail-msp09:04:130
7450930,0irq/46-4a10000021981-21sendmail-msp10:20:070
7450930,0irq/46-4a10000018995-21df08:34:220
7450930,0irq/46-4a10000013495-21sendmail-msp08:23:050
21464999360,0cyclictest0-21swapper08:54:350
107912939,0sleep010808-21/usr/sbin/munin09:44:570
7450920,0irq/46-4a1000006664-21sendmail-msp07:59:340
7450920,0irq/46-4a1000003237-21munin-run07:49:010
7450920,0irq/46-4a1000001518-21sendmail-msp09:22:590
3090729211,0sleep030905-21df_inode10:44:230
7450910,0irq/46-4a10000028800-21sendmail-msp10:39:320
7450910,0irq/46-4a10000024193-21runrttasks11:59:410
7450910,0irq/46-4a10000023576-21chrt11:58:570
7450910,0irq/46-4a10000021650-21chrt11:52:060
7450910,0irq/46-4a10000020321-21sendmail-msp08:39:130
7450910,0irq/46-4a10000019912-21chrt10:11:280
7450910,0irq/46-4a10000019038-21grep11:44:330
7450910,0irq/46-4a10000016806-21sendmail-msp11:43:530
7450910,0irq/46-4a10000016520-21chrt08:26:040
7450910,0irq/46-4a10000015515-21diskstats11:34:270
7450910,0irq/46-4a1000001518-21sendmail-msp09:25:130
7450910,0irq/46-4a10000013961-21fw_packets11:29:370
21464999159,0cyclictest0-21swapper09:34:570
21464999156,0cyclictest0-21swapper09:14:020
7450900,0irq/46-4a1000008977-21runrttasks11:14:430
7450900,0irq/46-4a1000008633-21cpu08:04:140
7450900,0irq/46-4a1000005011-21/usr/sbin/munin11:04:130
7450900,0irq/46-4a10000032305-21sendmail-msp07:40:460
7450900,0irq/46-4a1000003153-21sendmail-msp11:00:020
7450900,0irq/46-4a10000031407-21/usr/sbin/munin07:34:510
7450900,0irq/46-4a1000003111-21chrt10:58:590
7450900,0irq/46-4a10000030426-21idleruntime-cro12:19:000
7450900,0irq/46-4a10000028647-21seq12:13:360
7450900,0irq/46-4a10000027149-21sendmail-msp09:03:440
7450900,0irq/46-4a10000024791-21timerandwakeup08:50:010
7450900,0irq/46-4a10000024109-21diskstats10:24:290
7450900,0irq/46-4a10000022595-21fw_conntrack08:44:350
7450900,0irq/46-4a10000013750-21df09:54:170
7450900,0irq/46-4a1000001256-21chrt10:52:480
7450900,0irq/46-4a10000011955-21aten_r4power_po08:14:140
7350900,0irq/45-4a10000016355-21sshd10:00:210
7350900,0irq/45-4a10000011910-21wget11:24:160
124972907,0sleep012513-21grep09:49:490
7450890,0irq/46-4a1000007124-21fw_forwarded_lo11:09:340
7450890,0irq/46-4a1000003848-21if_eth007:49:360
7450890,0irq/46-4a10000027091-21cat10:34:030
7450890,0irq/46-4a10000024124-21chrt07:14:390
7450890,0irq/46-4a10000023154-21idleruntime-cro07:14:010
7450890,0irq/46-4a10000017130-21egrep08:29:140
7450890,0irq/46-4a10000015150-21sendmail-msp10:04:360
7450880,0irq/46-4a1000006086-21awk09:30:030
7450880,0irq/46-4a10000032289-21wget12:24:100
7450880,0irq/46-4a1000002775-21seq12:31:360
7450880,0irq/46-4a10000027393-21aten_r4power_vo07:24:130
7450880,0irq/46-4a10000025483-21sendmail-msp07:20:420
7450880,0irq/46-4a10000021993-21kworker/u2:109:39:230
7350880,0irq/45-4a10000029817-21find07:29:550
21464998865,0cyclictest0-21swapper09:14:230
7450870,0irq/46-4a1000005604-21cut07:54:370
7450870,0irq/46-4a1000004592-21seq12:37:320
7450870,0irq/46-4a10000028579-21chrt10:37:340
7450860,0irq/46-4a10000020757-21grep10:14:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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