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2026-05-09 - 13:10
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 792 highest latencies:
System rack8slot1.osadl.org (updated Sat May 09, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14720993183793,0cyclictest9-21ksoftirqd/000:12:120
14720993103828,0cyclictest0-21swapper23:09:050
147209930931635,0cyclictest17300-21df_inode00:02:270
147209928571421,0cyclictest0-21swapper23:21:370
14720992642757,0cyclictest9-21ksoftirqd/020:01:430
14720992530265,0cyclictest19429-1kworker/0:0H19:01:430
14720992495242,0cyclictest19429-1kworker/0:0H23:36:420
1472099245227,0cyclictest0-21swapper22:46:400
14720992333756,0cyclictest9-21ksoftirqd/022:06:420
14720992317685,0cyclictest1595-21jbd2/hda3-823:41:430
14720992314281,0cyclictest19429-1kworker/0:0H21:01:440
14720992311360,0cyclictest19429-1kworker/0:0H21:21:420
14720992295629,0cyclictest9-21ksoftirqd/022:56:420
14720992253257,0cyclictest19429-1kworker/0:0H22:01:420
14720992250245,0cyclictest19429-1kworker/0:0H21:41:420
14720992223300,0cyclictest19429-1kworker/0:0H22:21:430
14720992220617,0cyclictest13992-21munin-node20:36:420
14720992203272,0cyclictest19429-1kworker/0:0H21:16:420
14720992141252,0cyclictest19429-1kworker/0:0H20:21:410
14720992055662,0cyclictest9-21ksoftirqd/019:41:440
14720992042276,0cyclictest19429-1kworker/0:0H00:26:410
14720992039343,0cyclictest19429-1kworker/0:0H20:41:430
14720992024169,0cyclictest19429-1kworker/0:0H21:36:420
14720991892175,0cyclictest28841-21munin-node23:01:430
14720991848341,0cyclictest19429-1kworker/0:0H19:16:430
14720991843668,0cyclictest23297-21latency_hist19:26:420
147209918161689,0cyclictest16884-21grep00:01:370
14720991804348,0cyclictest19429-1kworker/0:0H22:46:410
14720991792636,0cyclictest10463-21munin-node20:26:420
14720991782285,0cyclictest19429-1kworker/0:0H19:06:430
14720991773630,0cyclictest23111-21date00:21:410
14720991757219,0cyclictest19429-1kworker/0:0H20:52:000
14720991751274,0cyclictest19429-1kworker/0:0H20:46:420
14720991746767,0cyclictest11855-21which23:46:420
14720991736246,0cyclictest19429-1kworker/0:0H21:46:430
14720991734516,0cyclictest9-21ksoftirqd/000:19:070
14720991734378,0cyclictest19429-1kworker/0:0H19:46:430
14720991698314,0cyclictest19429-1kworker/0:0H20:16:430
14720991690212,0cyclictest22023-21fschecks_time22:39:120
14720991666704,0cyclictest9-21ksoftirqd/020:56:420
14720991664657,0cyclictest9-21ksoftirqd/023:51:450
14720991647289,0cyclictest19429-1kworker/0:0H20:11:460
14720991646562,0cyclictest9-21ksoftirqd/019:56:430
14720991644609,0cyclictest5747-21latency_hist21:51:450
14720991614705,0cyclictest9-21ksoftirqd/022:54:130
14720991607489,0cyclictest9-21ksoftirqd/023:29:150
14720991556408,0cyclictest9-21ksoftirqd/019:39:050
14720991548533,0cyclictest9-21ksoftirqd/022:16:420
147209915231215,0cyclictest19429-1kworker/0:0H21:29:090
14720991521675,0cyclictest7899-21perl23:34:160
14720991517434,0cyclictest9-21ksoftirqd/022:29:070
14720991517414,0cyclictest1595-21jbd2/hda3-820:34:280
14720991511318,0cyclictest19429-1kworker/0:0H19:11:510
14720991501195,0cyclictest19429-1kworker/0:0H21:09:170
14720991493282,0cyclictest19429-1kworker/0:0H22:11:520
147209914881201,0cyclictest19429-1kworker/0:0H19:24:120
14720991483379,0cyclictest1595-21jbd2/hda3-819:54:260
14720991476714,0cyclictest7529-21sendmail_mailtr21:56:460
14720991474467,0cyclictest9-21ksoftirqd/022:34:240
14720991464365,0cyclictest9-21ksoftirqd/023:14:200
14720991447270,0cyclictest19429-1kworker/0:0H21:31:530
14720991438675,0cyclictest9-21ksoftirqd/000:11:450
14720991381523,0cyclictest9-21ksoftirqd/019:31:510
14720991344721,0cyclictest26170-21cut21:11:550
14720991240691,0cyclictest9-21ksoftirqd/023:21:440
14720991236233,0cyclictest19429-1kworker/0:0H20:06:470
10111410,0rcuc/012862-21cron18:56:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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