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2025-12-08 - 06:43
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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 Mon Dec 08, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
993125060,7sleep29935-21phc2sys-jitter20:21:292
1985421510,5sleep01093799cyclictest00:31:130
1773911020,4ptp4l401ktimersoftd/320:23:023
95122790,5sleep39513-21sed21:26:403
208502710,2sleep30-21swapper/322:44:003
177391680,1ptp4l401ktimersoftd/323:37:353
4482670,4sleep3446-21grep22:16:303
31352670,2sleep20-21swapper/200:46:452
10937996526,6cyclictest9-21ksoftirqd/020:26:070
177391580,1ptp4l401ktimersoftd/323:11:523
177391580,1ptp4l401ktimersoftd/322:51:473
177391570,1ptp4l401ktimersoftd/323:20:163
10937995746,6cyclictest9-21ksoftirqd/000:11:250
10937995646,5cyclictest9-21ksoftirqd/022:41:230
177391550,1ptp4l401ktimersoftd/300:02:033
177391540,1ptp4l401ktimersoftd/301:05:343
177391540,1ptp4l401ktimersoftd/301:05:343
10937995443,6cyclictest9-21ksoftirqd/000:21:300
10937995443,5cyclictest9-21ksoftirqd/022:21:250
192102530,2sleep00-21swapper/023:17:060
10937995346,4cyclictest9-21ksoftirqd/000:01:160
10937995341,6cyclictest9-21ksoftirqd/022:16:230
1094799514,19cyclictest2794-21tr23:36:252
1094799513,13cyclictest15171-21sed20:31:282
1094799501,12cyclictest26631-21/usr/sbin/munin00:01:332
10937994939,5cyclictest9-21ksoftirqd/020:41:200
10937994918,4cyclictest9-21ksoftirqd/023:21:400
10937994918,4cyclictest9-21ksoftirqd/023:21:400
156452480,2sleep00-21swapper/001:38:500
1094799481,12cyclictest25293-21grep01:51:272
177391470,1ptp4l401ktimersoftd/300:24:023
1094799471,13cyclictest11731-21apt-get23:46:242
10937994736,6cyclictest9-21ksoftirqd/001:01:250
10937994736,6cyclictest9-21ksoftirqd/001:01:250
1094799462,20cyclictest29992-21sed21:01:352
1094799462,19cyclictest12443-21sed21:36:082
1094799462,19cyclictest12443-21sed21:36:082
177391450,2ptp4l20527-21kworker/3:123:45:363
177391450,1ptp4l401ktimersoftd/321:12:223
10937994519,3cyclictest9-21ksoftirqd/022:31:260
320452440,1sleep10-21swapper/100:07:131
1094799446,6cyclictest20949-21sh22:44:122
1094799442,16cyclictest16110-21/usr/sbin/munin01:01:332
1094799442,16cyclictest16110-21/usr/sbin/munin01:01:332
1094799441,11cyclictest3907-21diskmemload01:24:362
1094799440,12cyclictest3907-21diskmemload23:02:452
1094799440,12cyclictest13222-21idleruntime23:11:282
1094799440,11cyclictest987-21taskset00:09:582
1094799440,11cyclictest23072-21sensors23:21:352
1094799440,11cyclictest23072-21sensors23:21:352
325042430,2sleep10-21swapper/123:31:481
10937994337,3cyclictest9-21ksoftirqd/023:31:240
10937994322,4cyclictest9-21ksoftirqd/000:16:420
1094799424,13cyclictest14564-21ssh01:01:122
10937994237,3cyclictest9-21ksoftirqd/000:36:240
10937994232,5cyclictest9-21ksoftirqd/021:31:220
10937994232,5cyclictest9-21ksoftirqd/021:31:220
10937994215,4cyclictest9-21ksoftirqd/000:46:390
1094799410,8cyclictest29990-21if_enp1s022:11:292
10937994135,3cyclictest9-21ksoftirqd/001:21:260
10937994114,4cyclictest9-21ksoftirqd/023:36:240
177391400,1ptp4l401ktimersoftd/301:40:443
1094799400,15cyclictest25605-21smartctl01:11:382
10937994016,4cyclictest9-21ksoftirqd/021:06:390
10937994015,4cyclictest9-21ksoftirqd/001:11:440
1094299393,6cyclictest0-21swapper/100:31:241
1094299392,8cyclictest14964-21apt-get01:01:241
1094299392,8cyclictest14964-21apt-get01:01:241
1094299391,7cyclictest0-21swapper/121:36:221
1094299391,7cyclictest0-21swapper/121:36:221
10937993934,3cyclictest9-21ksoftirqd/023:26:410
10937993933,3cyclictest9-21ksoftirqd/023:01:320
10937993930,3cyclictest9-21ksoftirqd/000:01:120
10937993926,4cyclictest9-21ksoftirqd/023:56:110
10937993915,4cyclictest9-21ksoftirqd/001:42:240
177391380,1ptp4l401ktimersoftd/301:31:423
177391380,1ptp4l401ktimersoftd/300:51:163
177391380,1ptp4l401ktimersoftd/300:29:273
12432380,5sleep21247-21gltestperf21:11:262
1094299383,30cyclictest4845-21ssh01:26:241
10937993825,3cyclictest9-21ksoftirqd/021:06:070
10937993813,4cyclictest9-21ksoftirqd/023:14:140
10937993812,4cyclictest9-21ksoftirqd/001:31:330
177391370,1ptp4l401ktimersoftd/323:49:183
177391370,1ptp4l401ktimersoftd/321:45:363
177391370,1ptp4l401ktimersoftd/301:26:273
177391370,1ptp4l401ktimersoftd/300:59:313
177391370,1ptp4l401ktimersoftd/300:41:143
1094299371,6cyclictest10442-21snmp_o5powerctl01:31:411
10942993713,21cyclictest26203-21grep20:56:211
10942993712,21cyclictest1220-21/usr/sbin/munin00:46:361
10942993711,22cyclictest7870-21bc21:26:221
10937993732,3cyclictest9-21ksoftirqd/023:06:410
10937993732,3cyclictest9-21ksoftirqd/000:56:370
10937993728,3cyclictest9-21ksoftirqd/022:51:230
10937993713,3cyclictest9-21ksoftirqd/001:27:400
10937993712,4cyclictest9-21ksoftirqd/001:09:070
10937993712,4cyclictest9-21ksoftirqd/001:09:070
177391360,2ptp4l2951-21kworker/3:101:23:223
177391360,1ptp4l401ktimersoftd/322:56:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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