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2026-04-06 - 02:20
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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 Mon Apr 06, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502480,0irq/46-4a100000134012sleep019:04:490
135969910169,0cyclictest11189-21sshd22:06:180
135969910078,0cyclictest21743-21memory21:01:440
13596999880,0cyclictest18825-21sshd20:52:180
13596999878,0cyclictest7754-21diskstats21:56:210
13596999774,0cyclictest8161-21/usr/sbin/munin20:21:500
13596999772,0cyclictest29738-21aten_r4power_vo23:01:040
13596999577,0cyclictest4654-21memory20:11:490
13596999576,0cyclictest484-21runrttasks21:08:540
13596999476,0cyclictest12433-21modprobe20:35:540
13596999474,0cyclictest29811-21/usr/sbin/munin19:51:060
13596999374,0cyclictest25011-21fw_conntrack19:36:300
13596999369,0cyclictest20082-21ls19:21:510
13596999276,0cyclictest26987-21/usr/sbin/munin22:51:450
13596999273,0cyclictest32708-21runrttasks19:59:010
13596999266,0cyclictest16472-21fschecks_time19:11:550
13596999177,0cyclictest22047-21grep22:36:480
13596999173,0cyclictest25114-21meminfo22:46:330
13596999077,0cyclictest28337-21fschecks_time22:56:190
13596999075,0cyclictest24943-21fschecks_time00:21:200
13596999073,0cyclictest5846-21seq21:51:050
13596999073,0cyclictest26576-21diskstats21:16:230
13596999073,0cyclictest13623-21users23:46:530
13596999072,0cyclictest10205-21users22:01:530
13596999071,0cyclictest2203-21munin-run20:05:550
13596999070,0cyclictest24080-21runrttasks19:33:200
13596998971,0cyclictest31972-21meminfo21:31:430
13596998971,0cyclictest14840-21chrt23:51:330
13596998971,0cyclictest14268-21latency19:06:370
13596998970,0cyclictest26764-21irqstats00:26:290
13596998970,0cyclictest16667-21modprobe22:21:450
13596998970,0cyclictest1076-21fw_conntrack21:36:330
13596998965,0cyclictest0-21swapper23:56:010
13596998872,0cyclictest28409-21seq00:31:270
13596998871,0cyclictest19699-21entropy22:31:170
13596998870,0cyclictest24809-21df_abs21:11:170
13596998870,0cyclictest22696-21munin-run00:15:540
13596998869,0cyclictest19968-21irqstats20:56:450
13596998774,0cyclictest6840-21vmstat20:17:030
13596998774,0cyclictest28879-21swap21:22:020
13596998773,0cyclictest5471-1kworker/u3:023:28:240
13596998772,0cyclictest11739-21sensors_temp23:41:470
13596998771,0cyclictest24118-21sendmail-mta23:11:360
13596998770,0cyclictest9544-21fschecks_count20:26:270
13596998770,0cyclictest18359-21grep19:16:520
13596998770,0cyclictest15956-21sed20:45:590
13596998770,0cyclictest13117-21chrt20:36:350
13596998769,0cyclictest28483-21runrttasks19:46:370
13596998769,0cyclictest23500-21/usr/sbin/munin22:41:380
13596998670,0cyclictest31956-21memory23:06:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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