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2026-03-26 - 06:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 100 highest latencies:
System rackbslot6.osadl.org (updated Thu Mar 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2282721830,4sleep3885399cyclictest23:00:073
2235321830,5sleep2884899cyclictest00:37:462
126921640,4sleep0883799cyclictest01:22:450
3207021560,3sleep3885399cyclictest00:14:463
1068911060,4ptp4l401ktimersoftd/320:04:183
106891660,1ptp4l401ktimersoftd/322:55:583
106891650,1ptp4l401ktimersoftd/322:46:273
215622630,1sleep00-21swapper/023:32:240
106891610,1ptp4l401ktimersoftd/322:37:453
106891580,1ptp4l401ktimersoftd/323:21:543
106891560,1ptp4l401ktimersoftd/301:27:043
87132555,38sleep00-21swapper/020:07:010
106891530,1ptp4l401ktimersoftd/301:32:283
97102520,2sleep00-21swapper/021:12:440
79242510,5sleep10-21swapper/120:02:411
883799483,17cyclictest9659-21mailstats00:57:470
883799483,15cyclictest7626-21ssh22:44:240
883799482,16cyclictest2182-21diskmemload00:50:430
883799482,16cyclictest2182-21diskmemload00:50:430
106891480,0ptp4l401ktimersoftd/301:27:553
883799474,9cyclictest29493-21swap01:17:540
883799473,15cyclictest10454-21apt-get21:17:240
883799473,14cyclictest14926-21ssh00:30:470
883799473,11cyclictest27736-21ssh22:32:370
883799473,11cyclictest0-21swapper/023:09:110
883799472,8cyclictest32740-21ssh23:42:440
883799472,14cyclictest30748-21ssh23:41:230
106891470,1ptp4l401ktimersoftd/301:21:173
884499463,14cyclictest16983-21ssh23:27:341
884499463,12cyclictest64-21kswapd001:27:381
883799465,10cyclictest23320-21smartctl21:42:360
883799463,8cyclictest9370-21apt-get23:52:350
883799463,8cyclictest24825-21/usr/sbin/munin00:07:420
883799463,15cyclictest8189-21processes23:17:430
883799462,8cyclictest3844-21apt-get23:47:280
883799462,8cyclictest14721-21apt-get22:52:360
883799462,16cyclictest2182-21diskmemload22:28:190
883799462,14cyclictest24853-21ssh23:34:450
41532460,3sleep03564-21/usr/sbin/munin21:02:370
883799454,9cyclictest10432-21python20:07:420
883799454,8cyclictest19435-21ps01:07:480
883799453,8cyclictest3293-21/usr/sbin/munin22:07:390
883799453,13cyclictest26328-21ssh01:15:180
883799452,9cyclictest5346-21apt-get01:27:380
883799452,8cyclictest9788-21apt-get22:47:330
883799452,8cyclictest19656-21apt-get22:57:360
883799452,8cyclictest13157-21apt-get01:02:380
883799452,14cyclictest29253-21ssh00:45:150
883799452,11cyclictest2182-21diskmemload00:24:190
883799443,9cyclictest32372-21apt-get22:37:330
883799443,8cyclictest7730-21apt-get22:12:350
883799443,11cyclictest2182-21diskmemload00:02:440
883799442,14cyclictest31709-21ssh00:14:090
883799442,13cyclictest14429-21ssh23:24:070
883799442,11cyclictest2182-21diskmemload01:33:420
316562440,1sleep30-21swapper/323:08:263
106891440,1ptp4l401ktimersoftd/322:08:083
883799434,9cyclictest24887-21kernelversion20:37:380
883799433,9cyclictest20581-21python20:27:430
883799433,9cyclictest17055-21python21:27:440
883799433,16cyclictest22627-21snmp_o5powerctl00:37:510
883799433,10cyclictest2182-21diskmemload22:21:430
883799432,8cyclictest2182-21diskmemload00:17:310
883799432,10cyclictest2182-21diskmemload00:53:360
883799424,8cyclictest13457-21sensors_temp20:12:420
883799422,16cyclictest2182-21diskmemload23:04:380
883799422,16cyclictest2182-21diskmemload23:04:380
883799422,13cyclictest18319-21ssh00:33:140
8848994134,4cyclictest33-21ksoftirqd/223:27:282
883799413,9cyclictest18842-21munin-run00:02:250
883799413,17cyclictest26282-21/usr/sbin/munin20:42:440
883799412,9cyclictest32650-21snmp_o5powerctl20:52:440
883799411,10cyclictest0-21swapper/022:26:370
883799403,9cyclictest14700-21snmp_o5powerctl21:22:470
883799403,9cyclictest14700-21snmp_o5powerctl21:22:470
883799403,16cyclictest27511-21apt-key21:52:220
883799402,15cyclictest4989-21ssh23:14:500
106891400,1ptp4l401ktimersoftd/323:47:073
106891400,1ptp4l401ktimersoftd/323:14:573
106891400,1ptp4l401ktimersoftd/300:54:383
106891390,1ptp4l401ktimersoftd/323:35:263
106891390,1ptp4l401ktimersoftd/322:27:583
106891390,1ptp4l401ktimersoftd/320:37:313
106891390,1ptp4l401ktimersoftd/300:03:023
106891390,1ptp4l401ktimersoftd/300:00:283
8848993811,4cyclictest22116-21cat23:32:372
883799383,8cyclictest436-21perl22:02:360
883799381,9cyclictest21891-21fschecks_count20:32:350
883799381,16cyclictest1195-21/usr/sbin/munin20:57:420
106891380,1ptp4l401ktimersoftd/322:32:513
106891380,1ptp4l401ktimersoftd/322:26:133
106891380,1ptp4l401ktimersoftd/322:15:153
106891380,1ptp4l401ktimersoftd/300:57:573
106891380,1ptp4l401ktimersoftd/300:48:423
106891380,1ptp4l401ktimersoftd/300:48:423
106891380,1ptp4l401ktimersoftd/300:31:083
106891380,0ptp4l401ktimersoftd/323:04:033
106891380,0ptp4l401ktimersoftd/323:04:033
883799372,8cyclictest18572-21users20:22:470
883799372,8cyclictest15868-21snmp_o5powerctl20:17:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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