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2026-06-13 - 17:56
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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 Sat Jun 13, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891940,3ptp4l401ktimersoftd/308:50:123
29252800,2sleep10-21swapper/112:32:141
106891780,2ptp4l401ktimersoftd/312:15:243
247452740,5sleep024749-21ptp4l09:26:410
106891710,1ptp4l401ktimersoftd/311:46:573
127452680,1sleep10-21swapper/112:10:261
106891660,1ptp4l401ktimersoftd/311:16:193
174862620,2sleep10-21swapper/112:47:001
174862620,2sleep10-21swapper/112:47:001
58062614,9sleep00-21swapper/008:50:120
56182604,10sleep10-21swapper/108:47:471
256412590,4sleep2600099cyclictest11:50:362
106891570,1ptp4l401ktimersoftd/314:11:153
5990995618,23cyclictest9-21ksoftirqd/012:46:240
5990995618,23cyclictest9-21ksoftirqd/012:46:240
106891560,1ptp4l401ktimersoftd/313:20:343
106891550,1ptp4l401ktimersoftd/313:48:183
5990995422,6cyclictest9-21ksoftirqd/011:56:220
88952530,2sleep10-21swapper/110:01:391
271682530,2sleep10-21swapper/111:18:271
5990995221,8cyclictest9-21ksoftirqd/013:11:380
5990995221,6cyclictest9-21ksoftirqd/012:26:220
5990995117,3cyclictest9-21ksoftirqd/011:01:400
5990995117,3cyclictest9-21ksoftirqd/011:01:400
5990995025,4cyclictest9-21ksoftirqd/014:08:080
5990994921,5cyclictest9-21ksoftirqd/011:17:250
5990994838,3cyclictest9-21ksoftirqd/012:06:530
5990994819,6cyclictest9-21ksoftirqd/011:39:180
599099476,7cyclictest9-21ksoftirqd/009:21:320
5990994721,7cyclictest9-21ksoftirqd/011:57:040
5990994720,4cyclictest9-21ksoftirqd/011:25:190
5990994720,4cyclictest9-21ksoftirqd/010:57:450
5990994719,9cyclictest9-21ksoftirqd/011:33:230
5990994717,8cyclictest9-21ksoftirqd/012:27:030
128192470,2sleep20-21swapper/213:49:002
599099467,3cyclictest9-21ksoftirqd/013:56:520
5990994622,4cyclictest9-21ksoftirqd/011:10:440
5990994622,4cyclictest9-21ksoftirqd/010:51:310
5990994618,4cyclictest9-21ksoftirqd/012:01:330
599099457,3cyclictest9-21ksoftirqd/011:41:330
5990994533,3cyclictest9-21ksoftirqd/013:06:530
5990994521,4cyclictest9-21ksoftirqd/013:00:420
5990994521,4cyclictest9-21ksoftirqd/011:11:380
5990994518,7cyclictest9-21ksoftirqd/012:33:360
5990994518,6cyclictest9-21ksoftirqd/012:42:550
5990994516,9cyclictest9-21ksoftirqd/008:56:200
5990994516,8cyclictest9-21ksoftirqd/011:46:330
5990994433,3cyclictest9-21ksoftirqd/013:45:590
5990994432,3cyclictest9-21ksoftirqd/011:30:090
599099442,7cyclictest9-21ksoftirqd/012:51:380
599099442,7cyclictest9-21ksoftirqd/012:51:380
5990994419,4cyclictest9-21ksoftirqd/013:27:350
5990994419,4cyclictest9-21ksoftirqd/013:18:480
5990994418,9cyclictest9-21ksoftirqd/014:11:360
5990994416,7cyclictest9-21ksoftirqd/013:23:500
106891440,1ptp4l401ktimersoftd/313:24:103
599099434,8cyclictest9-21ksoftirqd/009:16:360
599099434,8cyclictest9-21ksoftirqd/009:16:360
5990994331,3cyclictest9-21ksoftirqd/012:18:230
5990994331,3cyclictest9-21ksoftirqd/010:01:370
5990994330,3cyclictest9-21ksoftirqd/013:37:140
5990994320,4cyclictest9-21ksoftirqd/010:21:500
5990994318,4cyclictest9-21ksoftirqd/014:19:010
5990994311,6cyclictest9-21ksoftirqd/014:03:400
5990994311,6cyclictest9-21ksoftirqd/013:56:000
5990994311,3cyclictest9-21ksoftirqd/012:40:160
5990994311,3cyclictest9-21ksoftirqd/012:13:340
106891430,1ptp4l401ktimersoftd/309:15:363
5990994231,3cyclictest9-21ksoftirqd/013:03:470
5990994216,4cyclictest9-21ksoftirqd/010:48:260
599099421,5cyclictest32702-21apt09:46:180
106891420,1ptp4l401ktimersoftd/312:35:513
599099415,8cyclictest9-21ksoftirqd/010:13:090
599099415,7cyclictest27158-21diskstats10:41:340
599099414,6cyclictest20265-21/usr/sbin/munin10:26:360
5990994118,4cyclictest9-21ksoftirqd/010:06:400
599099409,6cyclictest9-21ksoftirqd/013:31:250
599099409,6cyclictest9-21ksoftirqd/009:11:380
599099409,3cyclictest9-21ksoftirqd/009:06:410
599099405,6cyclictest9-21ksoftirqd/009:01:410
599099402,9cyclictest9-21ksoftirqd/010:01:190
599099400,8cyclictest9-21ksoftirqd/010:16:370
106891400,1ptp4l401ktimersoftd/313:57:333
599099395,7cyclictest9-21ksoftirqd/013:46:530
599099395,6cyclictest9-21ksoftirqd/009:51:310
599099394,6cyclictest9-21ksoftirqd/010:31:360
599099393,5cyclictest9-21ksoftirqd/009:46:390
599099391,8cyclictest9-21ksoftirqd/010:36:390
106891390,1ptp4l401ktimersoftd/313:32:423
106891390,1ptp4l401ktimersoftd/313:15:293
106891390,1ptp4l401ktimersoftd/311:56:423
106891390,0ptp4l401ktimersoftd/310:16:353
106891380,1ptp4l401ktimersoftd/313:42:103
106891380,1ptp4l401ktimersoftd/312:56:253
106891380,1ptp4l401ktimersoftd/312:44:243
106891380,1ptp4l401ktimersoftd/312:39:543
106891380,1ptp4l401ktimersoftd/311:54:093
106891380,1ptp4l401ktimersoftd/311:45:243
106891380,1ptp4l401ktimersoftd/311:36:233
106891380,0ptp4l401ktimersoftd/312:21:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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