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2026-06-13 - 03:44
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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 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
942321530,3sleep03029899cyclictest01:20:050
1068911200,8ptp4l14808-21kworker/3:220:50:553
1068911200,8ptp4l14808-21kworker/3:220:50:553
1387021180,4sleep13030499cyclictest23:11:341
175082640,5sleep13030499cyclictest23:49:001
53822630,4sleep0101ktimersoftd/001:47:390
299642604,10sleep10-21swapper/120:48:091
299642604,10sleep10-21swapper/120:48:091
315332570,2sleep00-21swapper/002:15:250
315332570,2sleep00-21swapper/002:15:250
30298995649,4cyclictest9-21ksoftirqd/001:51:190
30318995410,13cyclictest15591-21expr01:26:203
281632520,2sleep30-21swapper/323:26:263
30318995113,9cyclictest28981-21sh00:33:293
3031899510,18cyclictest0-21swapper/323:21:043
3031899510,13cyclictest24228-21grep22:51:153
3031899500,13cyclictest25642-21/usr/sbin/munin01:36:223
3031899500,12cyclictest25639-21grep00:31:053
30298995045,3cyclictest9-21ksoftirqd/023:46:160
3031899490,13cyclictest14886-21/usr/sbin/munin00:51:333
3031899481,18cyclictest0-21swapper/301:04:213
3031899480,13cyclictest3365-21idleruntime01:46:283
3031899480,13cyclictest23581-21gltestperf21:41:173
245302480,2sleep10-21swapper/121:41:251
3031899470,14cyclictest19170-21cut00:56:233
3031899470,14cyclictest11426-21tr21:16:143
3031899470,13cyclictest25539-21sed23:56:313
3031899470,13cyclictest17177-21fschecks_time22:36:193
3031899470,13cyclictest17177-21fschecks_time22:36:193
3031899470,13cyclictest12886-21grep01:56:213
3031899470,12cyclictest2834-21mailstats00:06:273
3031899470,11cyclictest5062-21sed00:41:333
30309994736,5cyclictest33-21ksoftirqd/221:26:142
3031899460,13cyclictest30675-21mailstats22:56:283
3031899460,12cyclictest28933-21acpi00:01:163
3031899460,11cyclictest2447-21chrt00:40:093
3031899450,18cyclictest14968-21latency_hist01:26:073
3031899450,14cyclictest10209-21mailstats21:11:233
3031899450,13cyclictest15806-21mailstats22:31:243
3031899450,12cyclictest4185-21apt-get23:36:163
3031899450,12cyclictest0-21swapper/301:46:073
30309994534,5cyclictest33-21ksoftirqd/222:41:152
30309994534,5cyclictest33-21ksoftirqd/222:41:152
30304994536,5cyclictest25-21ksoftirqd/100:46:181
3031899440,19cyclictest5333-21grep21:01:283
3031899440,18cyclictest23672-21diskmemload02:17:553
3031899440,17cyclictest3217-21if_ens322:06:183
3031899440,13cyclictest23672-21diskmemload01:18:343
3031899440,12cyclictest27058-21latency_hist02:11:083
3031899440,11cyclictest26926-21cat21:46:293
3031899440,11cyclictest23672-21diskmemload00:11:103
30309994433,6cyclictest33-21ksoftirqd/223:56:162
30309994428,3cyclictest33-21ksoftirqd/222:56:032
30309994416,4cyclictest33-21ksoftirqd/223:06:212
30309994415,6cyclictest33-21ksoftirqd/200:21:182
30309994415,6cyclictest33-21ksoftirqd/200:21:182
30298994436,4cyclictest9-21ksoftirqd/000:21:160
30298994436,4cyclictest9-21ksoftirqd/000:21:160
3031899431,10cyclictest694-21snmp_o5powerctl23:31:283
3031899430,12cyclictest29458-21timerwakeupswit21:51:293
3031899430,12cyclictest12328-21munin-run01:56:073
3030999434,3cyclictest33-21ksoftirqd/200:26:342
30309994317,4cyclictest33-21ksoftirqd/200:06:322
3031899420,12cyclictest23672-21diskmemload23:23:513
30309994229,3cyclictest33-21ksoftirqd/200:31:332
30309994223,6cyclictest33-21ksoftirqd/223:41:192
30309994216,6cyclictest33-21ksoftirqd/223:21:192
3031899410,13cyclictest9761-21snmp_o5powerctl00:46:303
3031899410,11cyclictest7796-21irqstats23:06:193
3031899410,11cyclictest23672-21diskmemload01:07:413
3031899410,11cyclictest20681-21perl01:31:223
3031899410,10cyclictest23672-21diskmemload02:13:433
3031899410,10cyclictest23672-21diskmemload02:13:433
3031899410,10cyclictest16468-21diskstats00:21:193
3031899410,10cyclictest16468-21diskstats00:21:193
30309994125,3cyclictest33-21ksoftirqd/201:24:092
30309994124,7cyclictest33-21ksoftirqd/201:56:362
30309994121,8cyclictest33-21ksoftirqd/201:36:202
30309994116,4cyclictest33-21ksoftirqd/221:31:192
30309994116,4cyclictest33-21ksoftirqd/221:01:212
30309994115,4cyclictest33-21ksoftirqd/222:16:172
30309994115,4cyclictest33-21ksoftirqd/221:26:012
30309994112,6cyclictest33-21ksoftirqd/200:46:222
30298994135,3cyclictest9-21ksoftirqd/022:56:080
30298994135,3cyclictest9-21ksoftirqd/001:56:200
30309994033,3cyclictest33-21ksoftirqd/223:11:082
30309994025,3cyclictest33-21ksoftirqd/221:36:172
30309994024,4cyclictest33-21ksoftirqd/221:41:142
30309994023,4cyclictest33-21ksoftirqd/222:36:242
30309994023,4cyclictest33-21ksoftirqd/222:36:242
30309994017,7cyclictest33-21ksoftirqd/200:16:162
30309994017,7cyclictest33-21ksoftirqd/200:16:162
30309994015,7cyclictest33-21ksoftirqd/222:56:332
30309994013,4cyclictest33-21ksoftirqd/222:01:032
30309994011,10cyclictest33-21ksoftirqd/200:51:202
30298994030,6cyclictest9-21ksoftirqd/000:36:170
30298994023,5cyclictest9-21ksoftirqd/000:26:340
3031899390,11cyclictest2083-21snmp_o5powerctl01:11:313
30309993932,4cyclictest33-21ksoftirqd/223:46:092
30309993930,5cyclictest33-21ksoftirqd/221:06:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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