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2026-06-24 - 23:36
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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 Jun 24, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000031621-21/usr/sbin/munin07:05:140
326569911188,0cyclictest8326-21/usr/sbin/munin07:30:200
326569910976,0cyclictest25269-21fw_conntrack08:20:150
326569910888,0cyclictest26997-21/usr/sbin/munin10:00:210
326569910887,0cyclictest13315-21/usr/sbin/munin12:30:140
326569910885,0cyclictest24081-21/usr/sbin/munin08:15:380
326569910876,0cyclictest12868-21aten_r4power_cu09:19:520
326569910788,0cyclictest11563-21fschecks_time12:25:100
326569910787,0cyclictest6464-21/usr/sbin/munin12:10:140
326569910785,0cyclictest22311-21/usr/sbin/munin11:20:480
326569910783,0cyclictest6322-21runrttasks09:00:010
326569910686,0cyclictest4384-21/usr/sbin/munin07:19:530
326569910685,0cyclictest8384-21/usr/sbin/munin09:05:280
326569910684,0cyclictest8451-21ntp_states10:40:390
326569910684,0cyclictest16905-21/usr/sbin/munin07:55:240
326569910683,0cyclictest32288-21ntpdc10:15:280
326569910683,0cyclictest10151-21/usr/sbin/munin10:45:310
326569910677,0cyclictest1215-21diskstats10:20:080
326569910676,0cyclictest23725-21/usr/sbin/munin09:50:270
326569910673,0cyclictest16494-21df_abs11:05:000
326569910585,0cyclictest3210-21meminfo10:25:220
326569910583,0cyclictest759-21/usr/sbin/munin07:10:120
326569910583,0cyclictest2908-21/usr/sbin/munin12:00:050
326569910583,0cyclictest26834-21diskstats08:25:060
326569910582,0cyclictest10054-21runrttasks12:20:300
326569910581,0cyclictest28226-21/usr/sbin/munin11:39:540
326569910578,0cyclictest14137-21runrttasks07:47:230
326569910576,0cyclictest14889-21fschecks_count12:35:050
326569910574,0cyclictest19578-21modprobe09:39:430
326569910485,0cyclictest26965-21/usr/sbin/munin11:35:140
326569910485,0cyclictest20272-21/usr/sbin/munin11:15:220
326569910484,0cyclictest11448-21/usr/sbin/munin09:15:060
326569910483,0cyclictest5208-21runrttasks10:30:390
326569910482,0cyclictest4755-21seq08:55:100
326569910481,0cyclictest8194-21/usr/sbin/munin12:15:140
326569910481,0cyclictest2272-21sshd08:48:050
326569910481,0cyclictest22119-21/usr/sbin/munin08:10:320
326569910481,0cyclictest19690-21/usr/sbin/munin08:04:530
326569910481,0cyclictest14895-21fschecks_count09:25:040
326569910479,0cyclictest16269-21/usr/sbin/munin09:30:020
326569910479,0cyclictest1185-21df_inode11:55:030
326569910478,0cyclictest19582-21sendmail-msp09:40:370
326569910382,0cyclictest2890-21df_abs08:50:000
326569910382,0cyclictest14621-21/usr/sbin/munin10:59:540
326569910382,0cyclictest11747-21chrt10:50:260
326569910381,0cyclictest30530-21meminfo11:45:210
326569910381,0cyclictest2848-21df07:15:180
326569910380,0cyclictest32416-21ps08:40:390
326569910380,0cyclictest13441-21runrttasks10:55:220
326569910378,0cyclictest2101-21munin-node07:59:510
326569910284,0cyclictest24888-21aten_r4power_vo11:29:530
326569910284,0cyclictest11540-21/usr/sbin/munin07:40:130
326569910283,0cyclictest28692-21if_err_eth008:30:130
326569910282,0cyclictest6638-21modprobe07:25:230
326569910282,0cyclictest18558-21meminfo11:10:200
326569910281,0cyclictest9650-21df07:35:010
326569910281,0cyclictest5048-21pluginstate12:05:330
326569910281,0cyclictest32309-21/usr/sbin/munin11:50:260
326569910281,0cyclictest25696-21/usr/sbin/munin09:55:380
326569910281,0cyclictest23764-21/usr/sbin/munin11:25:260
326569910280,0cyclictest28737-21/usr/sbin/munin10:05:170
326569910279,0cyclictest15218-21ntpq07:50:270
326569910276,0cyclictest30414-21if_err_eth008:35:160
326569910276,0cyclictest22008-21runrttasks09:45:250
326569910182,0cyclictest10234-21/usr/sbin/munin09:10:320
326569910177,0cyclictest30385-21fw_packets10:10:170
326569910082,0cyclictest6342-21/usr/sbin/munin10:35:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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