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2026-04-18 - 07:19
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Sat Apr 18, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509860,0irq/46-4a10000012-21ksoftirqd/019:01:240
44159910773,0cyclictest5869-21seq20:41:150
44159910773,0cyclictest30096-21users21:51:240
44159910769,0cyclictest4122-21/usr/sbin/munin23:46:140
44159910580,0cyclictest27920-21meminfo20:11:060
44159910568,0cyclictest27202-21munin-run20:10:260
44159910480,0cyclictest31211-21fw_forwarded_lo21:55:570
44159910479,0cyclictest27351-21/usr/sbin/munin23:21:280
44159910467,0cyclictest28945-21latency_hist21:50:270
44159910377,0cyclictest10250-21runrttasks20:55:310
44159910371,0cyclictest7160-21df_inode23:55:460
44159910368,0cyclictest17201-21runrttasks22:50:390
44159910367,0cyclictest25089-21runrttasks23:12:100
44159910367,0cyclictest2320-21/usr/sbin/munin23:41:060
44159910280,0cyclictest5436-21diskstats23:50:490
44159910280,0cyclictest2762-21users22:06:270
44159910280,0cyclictest10468-21df00:05:410
44159910279,0cyclictest3857-21fw_forwarded_lo22:10:560
44159910279,0cyclictest12242-21df_inode19:25:450
44159910278,0cyclictest14329-21ntpdc19:31:120
44159910277,0cyclictest21119-21memory23:01:100
44159910276,0cyclictest6664-21fw_forwarded_lo19:10:450
44159910267,0cyclictest26722-21users23:16:310
44159910180,0cyclictest31451-21ntp_states23:31:130
44159910180,0cyclictest29501-21fw_conntrack20:15:560
44159910177,0cyclictest12164-21df21:00:420
44159910174,0cyclictest12909-21threads22:36:200
44159910170,0cyclictest32471-21runrttasks23:35:330
44159910168,0cyclictest20377-21munin-run21:25:250
44159910167,0cyclictest25137-21seq21:37:290
44159910167,0cyclictest2513-21rt-features20:31:170
44159910080,0cyclictest5136-21memory19:06:090
44159910079,0cyclictest9548-21unixbench_singl22:26:230
44159910079,0cyclictest306-21diskstats22:00:500
44159910079,0cyclictest19084-21diskstats19:45:480
44159910078,0cyclictest7423-21meminfo20:46:040
44159910078,0cyclictest441-21fw_forwarded_lo20:25:560
44159910077,0cyclictest19111-21diskstats22:55:490
44159910077,0cyclictest12664-21ntpq00:11:140
44159910077,0cyclictest10548-21df_inode19:20:460
44159910077,0cyclictest10542-21df_inode22:30:450
44159910076,0cyclictest14672-21unixbench_singl21:06:230
44159910067,0cyclictest4816-21sshd20:39:010
44159910067,0cyclictest17096-21chrt00:25:330
44159910065,0cyclictest9176-21chrt00:01:090
44159910065,0cyclictest8981-21fw_conntrack20:50:540
44159910065,0cyclictest22744-21/usr/sbin/munin19:56:020
4415999979,0cyclictest29255-21df23:25:430
4415999979,0cyclictest23794-21munin-run21:35:250
4415999979,0cyclictest21085-21meminfo19:51:060
4415999978,0cyclictest19259-21fw_conntrack00:30:570
4415999978,0cyclictest17616-21irqstats21:16:010
4415999978,0cyclictest15978-21meminfo19:36:050
4415999978,0cyclictest14130-21fw_forwarded_lo22:40:560
4415999975,0cyclictest16101-21ntp_states00:21:140
4415999971,0cyclictest13811-21runrttasks00:15:370
4415999966,0cyclictest7907-21users22:21:240
4415999963,0cyclictest24625-21/usr/sbin/munin20:01:140
4415999878,0cyclictest5253-21/usr/sbin/munin22:15:370
4415999878,0cyclictest16087-21/usr/sbin/munin21:11:160
4415999876,0cyclictest25941-21diskstats21:40:480
4415999876,0cyclictest17389-21diskstats19:40:470
4415999874,0cyclictest22500-21sshd23:05:450
4415999865,0cyclictest16865-21seq22:49:510
4415999777,0cyclictest9152-21meminfo19:16:050
4415999776,0cyclictest31352-21meminfo20:21:040
4415999675,0cyclictest20808-21diskstats21:25:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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