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2026-03-15 - 08:31
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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 50 highest latencies:
System rack4slot2.osadl.org (updated Sun Mar 15, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502330,0irq/46-4a10000012-21ksoftirqd/019:05:370
17543999670,0cyclictest16749-21df20:36:590
17543999576,0cyclictest25538-21fw_conntrack00:12:140
17543999574,0cyclictest31326-21runrttasks00:27:550
17543999571,0cyclictest12611-21runrttasks23:33:450
17543999560,0cyclictest19793-21cpu19:12:040
17543999556,0cyclictest917-21runrttasks21:25:490
17543999471,0cyclictest5708-21runrttasks20:03:070
17543999469,0cyclictest23984-21meminfo20:57:250
17543999455,0cyclictest2235-21users19:52:500
17543999372,0cyclictest19508-21runrttasks23:54:180
17543999371,0cyclictest31664-21runrttasks19:45:480
17543999371,0cyclictest24653-21runrttasks19:24:180
17543999355,0cyclictest3466-21meminfo23:07:240
17543999275,0cyclictest20204-21df_abs22:22:010
17543999271,0cyclictest2505-21runrttasks21:29:590
17543999269,0cyclictest13718-21meminfo22:02:210
17543999268,0cyclictest30422-21df21:16:570
17543999268,0cyclictest17740-21chrt19:06:560
17543999256,0cyclictest9597-21sendmail20:16:440
17543999256,0cyclictest10241-21irqstats20:17:220
17543999173,0cyclictest18325-21aten_r4power_po20:41:540
17543999171,0cyclictest7589-21seq21:44:340
17543999169,0cyclictest24269-21/usr/sbin/munin00:07:370
17543999169,0cyclictest23213-21cron20:56:420
17543999169,0cyclictest22126-21fw_conntrack19:17:130
17543999169,0cyclictest1076-21latency_hist23:01:450
17543999168,0cyclictest6820-21irqstats23:17:190
17543999166,0cyclictest30659-21/usr/sbin/munin22:52:130
17543999163,0cyclictest15138-21/usr/sbin/munin23:42:040
17543999158,0cyclictest15269-21fw_conntrack20:32:120
17543999155,0cyclictest10159-21fw_forwarded_lo23:27:160
17543999073,0cyclictest19814-21cron22:21:420
17543999068,0cyclictest6007-21runrttasks21:40:320
17543999068,0cyclictest3939-21users19:57:430
17543999068,0cyclictest27176-21fschecks_time19:32:090
17543999067,0cyclictest25290-21df19:26:590
17543999067,0cyclictest21531-21idleruntime-cro20:51:430
17543999055,0cyclictest1813-21nfs4_client23:02:280
17543998970,0cyclictest10223-21irqstats21:52:210
17543998969,0cyclictest22256-21meminfo22:27:220
17543998966,0cyclictest29697-21runrttasks21:13:420
17543998964,0cyclictest8650-21ntpdc21:47:300
17543998954,0cyclictest789-21chrt19:49:550
17543998869,0cyclictest27890-21seq22:42:490
17543998868,0cyclictest3250-21fschecks_time21:32:110
17543998867,0cyclictest6877-21meminfo20:07:240
17543998866,0cyclictest12513-21runrttasks20:22:500
17543998865,0cyclictest27725-21/usr/sbin/munin00:17:390
17543998855,0cyclictest13656-21irqstats23:37:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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