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2025-12-24 - 15:22
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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 Wed Dec 24, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911220,8ptp4l25488-21kworker/3:207:16:163
1068911220,8ptp4l25488-21kworker/3:207:16:163
11823996654,6cyclictest9-21ksoftirqd/011:36:570
11823996452,6cyclictest9-21ksoftirqd/008:16:500
103262610,4sleep00-21swapper/007:11:560
103262610,4sleep00-21swapper/007:11:560
117052604,10sleep20-21swapper/207:16:192
117052604,10sleep20-21swapper/207:16:192
148382580,5sleep114836-21grep10:42:111
106891570,1ptp4l401ktimersoftd/310:10:023
114172544,37sleep10-21swapper/107:12:341
114172544,37sleep10-21swapper/107:12:341
11823995042,4cyclictest9-21ksoftirqd/008:06:490
11823995041,5cyclictest9-21ksoftirqd/010:56:540
11823995040,6cyclictest9-21ksoftirqd/008:21:500
11823995040,5cyclictest9-21ksoftirqd/011:21:530
106891500,1ptp4l401ktimersoftd/309:11:233
11823994940,6cyclictest9-21ksoftirqd/012:41:560
11823994940,5cyclictest9-21ksoftirqd/009:51:500
11823994737,5cyclictest9-21ksoftirqd/007:51:490
106891470,1ptp4l401ktimersoftd/308:26:593
11823994640,3cyclictest9-21ksoftirqd/010:21:440
11823994639,4cyclictest9-21ksoftirqd/010:11:510
11823994520,3cyclictest9-21ksoftirqd/009:57:020
106891450,2ptp4l23119-21kworker/3:107:51:043
1182899443,33cyclictest11154-21apt-get08:21:491
11823994437,4cyclictest9-21ksoftirqd/008:56:420
11823994437,4cyclictest9-21ksoftirqd/008:56:420
11823994432,6cyclictest9-21ksoftirqd/011:06:540
11832994336,4cyclictest33-21ksoftirqd/208:51:502
11832994336,4cyclictest33-21ksoftirqd/208:51:502
11823994319,4cyclictest9-21ksoftirqd/011:51:590
11823994236,3cyclictest9-21ksoftirqd/011:56:470
11823994231,5cyclictest9-21ksoftirqd/011:41:550
11823994230,4cyclictest9-21ksoftirqd/007:31:520
11823994218,14cyclictest9-21ksoftirqd/012:21:550
11823994217,4cyclictest9-21ksoftirqd/009:36:530
11823994217,4cyclictest9-21ksoftirqd/009:32:020
11823994217,4cyclictest9-21ksoftirqd/008:27:040
106891420,2ptp4l23119-21kworker/3:108:46:593
1182899412,31cyclictest6872-21apt-get11:36:561
11823994130,5cyclictest9-21ksoftirqd/011:26:540
11823994116,4cyclictest9-21ksoftirqd/010:41:550
106891410,1ptp4l401ktimersoftd/307:33:593
1182899403,29cyclictest20275-21apt-get10:56:541
1182899402,30cyclictest2094-21apt-get11:26:541
11823994028,3cyclictest9-21ksoftirqd/009:47:080
11823994016,4cyclictest9-21ksoftirqd/007:37:050
11832993931,4cyclictest33-21ksoftirqd/212:06:542
1182899393,29cyclictest29359-21apt-get07:51:491
1182899393,27cyclictest9234-21apt-get11:41:541
1182899392,29cyclictest4057-21apt-get08:06:491
1182899392,29cyclictest26386-21apt-get10:01:531
11823993928,3cyclictest9-21ksoftirqd/009:21:570
11823993926,3cyclictest9-21ksoftirqd/012:07:110
1182399392,3cyclictest9-21ksoftirqd/012:11:570
106891390,1ptp4l401ktimersoftd/308:37:333
1182899382,29cyclictest18938-21apt-get12:01:561
1182899382,28cyclictest32126-21apt-get11:21:521
1182899382,28cyclictest21650-21apt-get09:51:501
1182899382,27cyclictest19288-21apt-get09:46:521
11823993832,3cyclictest9-21ksoftirqd/008:46:370
11823993825,3cyclictest9-21ksoftirqd/010:31:590
11823993814,4cyclictest9-21ksoftirqd/010:26:580
1182399380,3cyclictest9-21ksoftirqd/012:37:110
1182399380,3cyclictest9-21ksoftirqd/012:37:110
106891380,1ptp4l401ktimersoftd/310:02:063
1182899373,27cyclictest5488-21apt-get12:41:561
1182899372,28cyclictest1669-21apt-get08:01:491
1182899371,29cyclictest26056-21apt-get12:16:561
11823993731,3cyclictest3222-21grep10:21:390
11823993724,3cyclictest9-21ksoftirqd/012:32:020
106891370,1ptp4l401ktimersoftd/310:17:103
106891370,1ptp4l401ktimersoftd/309:44:493
106891370,1ptp4l401ktimersoftd/307:36:483
1182899367,25cyclictest21696-21needreboot08:41:581
1182899363,26cyclictest6058-21apt-get10:26:531
1182899362,28cyclictest0-21swapper/107:41:481
1182899362,27cyclictest8788-21apt-get08:16:501
1182899362,27cyclictest25028-21apt-get11:06:541
1182899360,4cyclictest5371-21sed11:32:001
1182899360,4cyclictest351-21tr09:06:531
1182899360,3cyclictest3365-21cat12:36:581
1182899360,3cyclictest3365-21cat12:36:581
1182899360,3cyclictest30621-21cut11:17:001
11823993631,3cyclictest9-21ksoftirqd/009:42:000
11823993623,3cyclictest9-21ksoftirqd/010:02:090
11823993623,3cyclictest9-21ksoftirqd/008:52:070
11823993623,3cyclictest9-21ksoftirqd/008:52:070
11823993623,10cyclictest9-21ksoftirqd/007:16:520
11823993622,11cyclictest9-21ksoftirqd/008:01:530
11823993612,4cyclictest9-21ksoftirqd/008:37:380
106891360,1ptp4l401ktimersoftd/312:01:593
1182899351,31cyclictest18245-21snmp_o5powerctl09:42:071
1182899350,3cyclictest28865-21sshd08:56:571
1182899350,3cyclictest28865-21sshd08:56:571
1182899350,3cyclictest21147-21awk07:31:591
1182899350,2cyclictest0-21swapper/111:56:571
11823993530,3cyclictest9-21ksoftirqd/011:06:400
11823993529,3cyclictest9-21ksoftirqd/010:47:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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