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2026-06-17 - 12:29
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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 rack5slot7.osadl.org (updated Wed Jun 17, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16731243820,23sleep015151-1kworker/u3:119:02:110
170459910525,65cyclictest0-21swapper21:30:340
170459910519,48cyclictest9541-21apt-get21:15:070
170459910416,24cyclictest20782-21users21:46:350
170459910320,49cyclictest0-21swapper21:54:410
170459910217,23cyclictest3416-21memory22:31:060
170459910117,66cyclictest26913-21apt-get23:40:050
170459910115,53cyclictest0-21swapper22:13:550
170459910115,45cyclictest18667-21memory21:41:070
170459910017,64cyclictest4750-21apt-get00:10:060
170459910017,60cyclictest26985-21df20:00:160
17045999917,42cyclictest15236-21df_inode23:05:380
17045999916,62cyclictest3379-21df_inode00:05:370
17045999915,24cyclictest21453-21ssh23:23:480
17045999914,66cyclictest18130-21munin-node23:26:390
17045999914,24cyclictest17777-21ssh21:38:390
17045999912,44cyclictest14335-21ssh23:02:340
17045999912,26cyclictest10056-21aten_r5power_vo00:25:220
17045999911,69cyclictest18989-21cat19:15:230
17045999832,49cyclictest0-21swapper00:04:390
17045999829,35cyclictest0-21swapper21:13:580
17045999816,62cyclictest10127-21fw_conntrack22:50:480
17045999816,61cyclictest8544-21df_inode00:20:370
17045999816,45cyclictest28893-21df23:45:280
17045999816,22cyclictest32274-21fw_conntrack22:20:470
17045999816,21cyclictest6321-21apt-get22:40:100
17045999814,22cyclictest8024-21/usr/sbin/munin22:46:300
17045999813,65cyclictest6950-21irqstats00:16:010
17045999812,66cyclictest13281-21grep00:34:500
1704599979,55cyclictest18349-21ssh23:14:570
17045999730,50cyclictest0-21swapper21:07:590
17045999717,61cyclictest25455-21irqstats22:00:540
17045999716,60cyclictest13407-21irqstats21:25:530
17045999716,22cyclictest23288-21apt-get21:55:100
17045999711,25cyclictest31329-21ssh22:17:350
17045999632,48cyclictest0-21swapper22:07:190
17045999618,57cyclictest1196-21munin-run23:59:470
17045999614,22cyclictest17043-21irqstats23:10:530
17045999613,22cyclictest12733-21ssh21:24:140
17045999532,29cyclictest0-21swapper23:36:140
17045999517,57cyclictest25239-21df_inode19:50:190
17045999511,22cyclictest25173-21cat23:34:520
17045999510,27cyclictest5233-21ssh22:36:170
1704599949,22cyclictest12148-21ssh22:56:240
17045999417,56cyclictest2101-21users22:26:350
17045999413,20cyclictest26084-21df19:55:140
17045999316,38cyclictest30598-21df23:50:260
17045999224,35cyclictest0-21swapper20:24:470
17045999212,60cyclictest2000-21tr20:40:370
17045999114,59cyclictest3127-21wc20:45:490
17045999018,35cyclictest31682-21memory20:25:350
17045999015,20cyclictest4512-21df_inode20:55:150
17045998916,25cyclictest20740-21df_inode19:25:190
17045998916,23cyclictest22240-21latency_hist19:34:480
17045998914,18cyclictest0-21swapper20:34:440
17045998913,58cyclictest28237-21ps20:05:450
17045998911,21cyclictest19799-21df_abs19:20:170
17045998819,23cyclictest29756-21df_inode20:15:180
17045998818,24cyclictest4090-21users20:50:530
17045998817,22cyclictest22549-21df_inode19:35:170
17045998815,23cyclictest5588-21ntpq21:00:370
17045998814,21cyclictest28834-21df_inode20:10:160
17045998813,41cyclictest0-21swapper19:40:080
17045998812,20cyclictest24127-21basename19:45:050
17045998718,25cyclictest620-21apt-get20:35:010
17045998717,23cyclictest17412-21df_inode19:05:180
17045998414,22cyclictest18567-21munin-run19:14:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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