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2026-07-13 - 06:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rack6slot5.osadl.org (updated Mon Jul 13, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162159991374608,4479cyclictest5680-21kworker/0:219:14:060
162159977793942,3787cyclictest20307-21kworker/0:019:22:190
162159971373871,3262cyclictest5680-21kworker/0:219:15:330
162159935322054,1464cyclictest20307-21kworker/0:019:25:240
156332725186,178sleep00-21swapper19:05:500
162159950033,453cyclictest28988-21diskmemload23:04:010
162159948834,440cyclictest31169-21ssh23:36:370
162159948733,440cyclictest28988-21diskmemload23:54:580
162159948634,439cyclictest24077-21ssh00:34:120
162159948634,439cyclictest15018-21ssh00:13:480
162159948632,440cyclictest13716-21ssh22:59:160
162159948532,439cyclictest30641-21sshd21:12:090
162159948532,439cyclictest26170-21strings21:00:370
162159948332,438cyclictest4259-21ssh22:37:120
162159948231,438cyclictest29089-21grep22:20:480
162159947735,429cyclictest15544-21nfs_client21:50:490
162159947733,431cyclictest5479-21ssh21:29:050
162159947334,425cyclictest3744-21ssh23:48:410
162159947232,427cyclictest28988-21diskmemload22:26:000
162159946932,367cyclictest8062-21ssh21:35:120
162159946533,432cyclictest0-21swapper20:27:090
162159946332,368cyclictest21467-21ssh00:27:240
162159946232,369cyclictest19614-21ssh00:24:160
162159944932,404cyclictest344450irq/10-eth023:24:510
162159943455,366cyclictest4924-21runrttasks21:19:560
162159943132,340cyclictest4305-21snmpd22:33:490
162159942936,380cyclictest5819-21munin-node21:31:000
162159941453,347cyclictest20763-21python20:45:510
162159941331,368cyclictest18091-21ssh23:08:350
162159941253,344cyclictest22269-21apt-get23:17:170
162159941252,301cyclictest28988-21diskmemload22:15:460
162159941235,363cyclictest8923-21ssh22:47:530
162159941231,368cyclictest11176-21ssh22:52:520
162159940988,307cyclictest12455-21turbostat.cron21:45:020
162159940952,119cyclictest4924-21runrttasks22:01:140
162159940933,363cyclictest25059-21strings19:30:400
162159940852,343cyclictest28988-21diskmemload21:45:260
162159940734,359cyclictest26115-21ssh23:25:570
162159940655,290cyclictest26030-21ssh22:15:050
162159940654,293cyclictest6202-21grep20:06:020
162159940654,291cyclictest28988-21diskmemload21:55:330
162159940650,343cyclictest28988-21diskmemload00:00:020
162159940636,357cyclictest25348-21ssh00:36:060
162159940533,89cyclictest22748-21perl22:06:190
162159940476,314cyclictest28988-21diskmemload00:20:060
162159940460,285cyclictest29032-21kworker/u2:023:34:040
162159940435,357cyclictest0-21swapper19:47:270
162159940351,291cyclictest28988-21diskmemload23:10:190
162159940333,357cyclictest12920-21ssh00:09:280
162159940254,289cyclictest28988-21diskmemload21:21:280
162159940254,288cyclictest28988-21diskmemload22:41:070
162159940139,303cyclictest0-21swapper20:12:280
162159940054,165cyclictest28988-21diskmemload23:44:320
162159940053,286cyclictest9022-21munin-node20:15:260
162159939953,346cyclictest0-21swapper19:37:280
162159939852,287cyclictest9296-21munin-node00:00:420
162159939753,167cyclictest29211-21chrt19:41:010
162159939451,161cyclictest18260-21sed20:40:240
162159939228,305cyclictest1121-21munin-node19:56:010
162159938950,166cyclictest27694-21df_inode21:05:280
162159938753,319cyclictest23984-21rt-features20:55:300
162159938632,340cyclictest4013-19udisks-probe-at20:00:480
162159938531,354cyclictest0-21swapper20:20:090
162159937818,302cyclictest13330-21kworker/u2:120:39:410
162159937817,361cyclictest0-21swapper19:53:420
162159937734,282cyclictest22283-21awk20:50:310
162159937123,348cyclictest0-21swapper20:32:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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