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2025-08-27 - 14:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackcslot8.osadl.org (updated Wed Aug 27, 2025 00:49:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482912760,268ptp4l0-21swapper/119:06:371
10738991830,126cyclictest0-21swapper/023:25:170
107729918113,88cyclictest0-21swapper/800:40:0030
10738991790,135cyclictest0-21swapper/022:38:470
10738991790,135cyclictest0-21swapper/022:38:470
1075799171169,1cyclictest40-21ksoftirqd/423:43:1226
107809916449,78cyclictest0-21swapper/1023:40:212
108489915919,87cyclictest0-21swapper/2222:27:2115
108489915919,87cyclictest0-21swapper/2222:27:2015
329891155147,6phc2sys0-21swapper/219:05:1412
10738991555,86cyclictest0-21swapper/019:37:510
10738991500,87cyclictest0-21swapper/022:27:010
10738991500,87cyclictest0-21swapper/022:27:000
107809914933,107cyclictest0-21swapper/1022:42:062
10768991490,87cyclictest0-21swapper/723:00:1429
108489914817,105cyclictest6107-21taskset19:55:1915
10885991460,86cyclictest0-21swapper/2723:00:1920
107809914631,94cyclictest0-21swapper/1020:55:132
107809914629,116cyclictest0-21swapper/1023:10:252
1090499143141,2cyclictest0-21swapper/3000:33:3524
10814991410,83cyclictest0-21swapper/1722:12:509
10814991410,83cyclictest0-21swapper/1722:12:499
10738991410,83cyclictest0-21swapper/021:10:200
10738991410,81cyclictest0-21swapper/021:35:270
10738991410,81cyclictest0-21swapper/021:35:270
107389913938,66cyclictest0-21swapper/023:59:140
108989913869,66cyclictest0-21swapper/2920:00:1622
10885991380,84cyclictest0-21swapper/2723:08:3420
10814991380,84cyclictest0-21swapper/1722:43:499
107389913848,59cyclictest0-21swapper/020:49:580
107389913845,61cyclictest0-21swapper/021:55:180
107389913845,61cyclictest0-21swapper/021:55:170
107389913828,65cyclictest0-21swapper/023:50:080
10738991380,83cyclictest0-21swapper/022:58:330
108489913719,81cyclictest0-21swapper/2221:45:3315
108489913719,81cyclictest0-21swapper/2221:45:3315
107389913728,69cyclictest0-21swapper/022:00:080
107389913728,69cyclictest0-21swapper/022:00:080
10738991370,80cyclictest0-21swapper/021:46:090
10738991370,80cyclictest0-21swapper/021:46:080
108149913650,56cyclictest0-21swapper/1723:28:109
107389913632,75cyclictest0-21swapper/022:40:180
107389913630,65cyclictest0-21swapper/021:31:090
107389913630,65cyclictest0-21swapper/021:31:080
107389913629,66cyclictest0-21swapper/020:55:230
107389913629,65cyclictest0-21swapper/020:44:390
107389913628,65cyclictest0-21swapper/019:25:020
107389913627,67cyclictest0-21swapper/021:23:430
107389913626,77cyclictest0-21swapper/022:07:330
107389913626,77cyclictest0-21swapper/022:07:330
107809913530,63cyclictest0-21swapper/1000:25:152
107389913531,73cyclictest0-21swapper/021:25:200
107389913528,66cyclictest0-21swapper/023:36:460
107389913526,68cyclictest0-21swapper/021:40:530
107389913526,68cyclictest0-21swapper/021:40:530
107389913525,62cyclictest0-21swapper/023:30:210
107389913517,70cyclictest0-21swapper/021:15:100
107389913517,70cyclictest0-21swapper/021:15:090
108149913443,58cyclictest0-21swapper/1722:01:379
108149913443,58cyclictest0-21swapper/1722:01:369
107389913430,66cyclictest0-21swapper/023:45:190
10738991340,81cyclictest0-21swapper/021:53:350
10738991340,81cyclictest0-21swapper/021:53:340
10738991340,78cyclictest0-21swapper/023:14:490
10738991340,78cyclictest0-21swapper/020:25:560
10738991340,73cyclictest0-21swapper/000:09:190
108489913348,57cyclictest0-21swapper/2223:05:1515
108489913312,101cyclictest0-21swapper/2222:03:4915
108489913312,101cyclictest0-21swapper/2222:03:4915
107809913344,58cyclictest0-21swapper/1021:39:012
107809913344,58cyclictest0-21swapper/1021:39:012
107389913342,67cyclictest0-21swapper/000:14:110
107389913340,59cyclictest0-21swapper/022:45:430
107389913340,59cyclictest0-21swapper/022:45:430
107389913336,70cyclictest0-21swapper/023:43:120
107389913335,64cyclictest0-21swapper/023:08:420
107389913332,67cyclictest0-21swapper/020:10:580
107389913329,70cyclictest0-21swapper/022:30:310
107389913329,68cyclictest0-21swapper/000:26:110
107389913327,69cyclictest0-21swapper/022:13:570
107389913327,69cyclictest0-21swapper/022:13:570
10768991320,80cyclictest0-21swapper/721:58:2329
10768991320,80cyclictest0-21swapper/721:58:2229
107579913228,61cyclictest0-21swapper/422:50:1926
107389913231,76cyclictest0-21swapper/020:02:580
107389913231,75cyclictest0-21swapper/020:15:200
107389913229,72cyclictest0-21swapper/020:08:190
107389913229,71cyclictest0-21swapper/019:45:230
107389913229,65cyclictest0-21swapper/019:30:080
107389913228,69cyclictest0-21swapper/000:04:310
107389913227,64cyclictest0-21swapper/023:03:340
107389913225,75cyclictest13-21ksoftirqd/019:20:190
108489913130,66cyclictest0-21swapper/2223:04:5915
108149913149,61cyclictest0-21swapper/1722:36:539
108149913149,61cyclictest0-21swapper/1722:36:529
108149913148,54cyclictest0-21swapper/1719:36:469
108149913127,69cyclictest0-21swapper/1719:41:369
10814991310,80cyclictest0-21swapper/1700:08:479
107809913133,47cyclictest0-21swapper/1021:20:202
107389913132,78cyclictest0-21swapper/020:51:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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