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2026-04-04 - 03:08
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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 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502310,0irq/45-4a1000001033-21kworker/0:419:05:550
1268998164,0cyclictest27882-21/usr/sbin/munin20:21:160
7350800,0irq/45-4a100000167772sleep021:22:190
1268998062,0cyclictest17793-21/usr/sbin/munin19:51:280
1268997955,0cyclictest0-21swapper23:56:080
1268997663,0cyclictest12218-21munin-node21:11:080
1268997654,0cyclictest27183-21runrttasks20:18:350
1268997558,0cyclictest15749-21/usr/sbin/munin00:31:110
1268997555,0cyclictest9096-21df_abs19:26:160
1268997555,0cyclictest10618-21aten_r4power_vo21:06:100
1268997552,0cyclictest10277-21runrttasks21:05:100
1268997455,0cyclictest15327-21runrttasks21:19:260
1268997455,0cyclictest13859-21latency_hist22:51:000
1268997454,0cyclictest19033-21ls21:31:010
1268997451,0cyclictest5978-21latency19:16:360
1268997354,0cyclictest2178-21cstates22:16:140
1268997350,0cyclictest29406-21aten_r4power_vo22:01:100
1268997349,0cyclictest0-21swapper22:06:090
1268997251,0cyclictest7350irq/45-4a10000021:51:260
1268997250,0cyclictest8085-21runrttasks00:06:520
1268997247,0cyclictest862-21memory22:11:390
1268997153,0cyclictest21773-21timerwakeupswit21:36:560
1268997153,0cyclictest19564-21if_eth019:56:320
1268997152,0cyclictest30693-21runrttasks20:29:290
1268997151,0cyclictest800-21kernelversion23:46:360
1268997150,0cyclictest22203-21runrttasks20:04:550
1268997148,0cyclictest21764-21timerwakeupswit23:11:530
1268997147,0cyclictest8081-21timerwakeupswit20:56:530
1268997141,0cyclictest0-21swapper21:49:580
1268997140,0cyclictest0-21swapper00:23:250
1268997139,0cyclictest0-21swapper19:34:060
1268996954,0cyclictest10884-21/usr/sbin/munin22:41:220
1268996951,0cyclictest20260-21seq23:07:590
1268996950,0cyclictest9011-21cstates22:36:150
1268996950,0cyclictest0-21swapper23:34:520
1268996950,0cyclictest0-21swapper20:54:130
1268996949,0cyclictest15002-21users19:41:560
1268996948,0cyclictest1588-21cstates19:06:130
1268996947,0cyclictest23825-21runrttasks23:19:020
1268996936,0cyclictest16647-21unixbench_singl19:46:550
1268996854,0cyclictest1266-21cyclictest22:27:260
1268996853,0cyclictest0-21swapper22:55:250
1268996850,0cyclictest17666-21chrt23:01:190
1268996848,0cyclictest3484-21runrttasks23:55:240
1268996847,0cyclictest8465-21runrttasks22:34:180
1268996847,0cyclictest27282-21runrttasks23:29:290
1268996846,0cyclictest11612-21awk00:16:570
1268996750,0cyclictest30686-21runrttasks23:39:160
1268996750,0cyclictest1266-21cyclictest19:21:440
1268996747,0cyclictest16117-21/usr/sbin/munin22:56:320
1268996746,0cyclictest24624-21fw_conntrack20:11:280
1268996745,0cyclictest2737-21grep20:41:470
1268996744,0cyclictest4128-21perl19:11:450
1268996743,0cyclictest32040-21sed20:31:550
1268996654,0cyclictest7350irq/45-4a10000020:36:570
1268996649,0cyclictest14003-21aten_r4power_en00:26:080
1268996646,0cyclictest12994-21processes19:36:480
1268996643,0cyclictest4401-21open_files20:46:460
1268996640,0cyclictest25268-21users23:21:580
1268996549,0cyclictest0-21swapper23:41:530
1268996546,0cyclictest23677-21seq21:42:540
1268996544,0cyclictest22774-21diskstats20:06:210
1268996543,0cyclictest17863-21/usr/sbin/munin21:26:330
1268996451,0cyclictest0-21swapper22:24:390
1268996447,0cyclictest6461-21grep00:01:550
1268996445,0cyclictest27655-21cut21:56:080
1268996442,0cyclictest9461-21/usr/sbin/munin00:11:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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