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2026-04-18 - 09:57
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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 Apr 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1029421620,3sleep11997999cyclictest22:12:251
3017121480,3sleep31999099cyclictest01:20:323
1068911030,4ptp4l401ktimersoftd/320:17:563
106891680,1ptp4l401ktimersoftd/322:23:213
106891670,1ptp4l401ktimersoftd/300:25:013
64732630,5sleep26477-21gltestperf22:05:192
27812610,2sleep00-21swapper/023:47:030
260042600,4sleep226009-21fschecks_time20:30:162
14172600,2sleep20-21swapper/200:51:042
106891580,1ptp4l401ktimersoftd/323:51:003
32382560,2sleep20-21swapper/223:47:492
277392550,5sleep2321ktimersoftd/200:45:262
277392550,5sleep2321ktimersoftd/200:45:262
216482550,3sleep01997099cyclictest22:28:130
177262554,10sleep20-21swapper/220:15:092
106891550,1ptp4l401ktimersoftd/300:47:173
106891550,1ptp4l401ktimersoftd/300:47:173
106891540,1ptp4l401ktimersoftd/301:42:083
23002530,2sleep10-21swapper/121:55:221
106891530,1ptp4l401ktimersoftd/322:33:563
106891530,1ptp4l401ktimersoftd/321:35:283
19986995243,4cyclictest33-21ksoftirqd/221:40:152
221312500,2sleep10-21swapper/122:29:031
195532494,33sleep10-21swapper/120:16:051
19986994839,4cyclictest33-21ksoftirqd/200:35:202
19979994842,3cyclictest25-21ksoftirqd/100:45:201
19979994842,3cyclictest25-21ksoftirqd/100:45:201
74892470,2sleep37448-21ssh22:45:353
19986994738,5cyclictest33-21ksoftirqd/221:50:162
19970994538,4cyclictest9-21ksoftirqd/000:40:190
19986994438,3cyclictest33-21ksoftirqd/223:30:112
19986994436,4cyclictest33-21ksoftirqd/222:45:092
106891440,1ptp4l401ktimersoftd/320:57:093
106891440,11ptp4l401ktimersoftd/300:40:163
19986994336,4cyclictest33-21ksoftirqd/200:20:112
19970994335,3cyclictest9-21ksoftirqd/000:30:190
106891430,1ptp4l401ktimersoftd/321:08:253
19970994134,3cyclictest9-21ksoftirqd/000:15:190
19986994031,5cyclictest33-21ksoftirqd/223:50:182
19986994029,9cyclictest33-21ksoftirqd/200:10:372
19986994014,3cyclictest33-21ksoftirqd/201:10:262
266572390,1sleep10-21swapper/122:33:201
106891390,1ptp4l401ktimersoftd/322:59:103
106891390,1ptp4l401ktimersoftd/300:02:123
106891380,1ptp4l401ktimersoftd/323:55:503
106891380,1ptp4l401ktimersoftd/323:43:323
106891380,1ptp4l401ktimersoftd/323:25:083
106891380,1ptp4l401ktimersoftd/323:15:283
106891380,1ptp4l401ktimersoftd/323:14:463
106891380,1ptp4l401ktimersoftd/322:40:283
106891380,1ptp4l401ktimersoftd/321:20:333
106891380,1ptp4l401ktimersoftd/321:20:333
106891380,1ptp4l401ktimersoftd/301:00:103
19986993725,9cyclictest33-21ksoftirqd/223:25:222
1998699371,3cyclictest121rcu_preempt01:20:242
19970993728,4cyclictest9-21ksoftirqd/023:00:180
106891370,1ptp4l401ktimersoftd/323:05:403
106891370,1ptp4l401ktimersoftd/323:05:403
106891370,1ptp4l401ktimersoftd/322:51:403
106891370,1ptp4l401ktimersoftd/322:26:133
106891370,1ptp4l401ktimersoftd/301:45:183
106891370,1ptp4l401ktimersoftd/301:32:283
106891370,1ptp4l401ktimersoftd/301:12:583
106891370,1ptp4l401ktimersoftd/301:07:563
106891370,1ptp4l401ktimersoftd/300:51:273
106891370,1ptp4l401ktimersoftd/300:33:023
106891370,1ptp4l401ktimersoftd/300:27:263
106891370,1ptp4l401ktimersoftd/300:17:393
106891370,1ptp4l401ktimersoftd/300:12:373
106891370,1ptp4l401ktimersoftd/300:09:433
106891370,0ptp4l401ktimersoftd/323:47:573
19986993630,3cyclictest33-21ksoftirqd/221:10:022
19986993622,10cyclictest33-21ksoftirqd/221:45:312
106891360,2ptp4l5248-21kworker/3:101:37:313
106891360,1ptp4l401ktimersoftd/301:26:583
106891360,1ptp4l401ktimersoftd/300:58:583
106891360,0ptp4l401ktimersoftd/323:36:393
19986993530,3cyclictest33-21ksoftirqd/222:20:182
19986993519,3cyclictest33-21ksoftirqd/201:20:092
19986993518,4cyclictest33-21ksoftirqd/200:25:232
19986993514,6cyclictest33-21ksoftirqd/223:55:232
106891350,2ptp4l8503-21kworker/3:020:31:343
106891350,1ptp4l401ktimersoftd/322:37:013
106891350,1ptp4l401ktimersoftd/300:35:173
106891350,0ptp4l401ktimersoftd/323:03:083
19986993428,3cyclictest33-21ksoftirqd/201:00:082
19986993427,4cyclictest33-21ksoftirqd/223:00:052
19986993424,3cyclictest33-21ksoftirqd/200:20:072
19986993422,9cyclictest33-21ksoftirqd/200:05:212
19986993421,3cyclictest33-21ksoftirqd/223:05:332
19986993421,3cyclictest33-21ksoftirqd/223:05:332
106891340,2ptp4l5248-21kworker/3:101:16:413
106891340,1ptp4l401ktimersoftd/323:30:143
106891340,1ptp4l401ktimersoftd/321:40:283
19986993328,3cyclictest33-21ksoftirqd/223:45:072
19986993328,3cyclictest33-21ksoftirqd/201:10:082
19986993327,3cyclictest33-21ksoftirqd/223:15:192
19986993327,3cyclictest33-21ksoftirqd/201:30:092
19986993319,3cyclictest33-21ksoftirqd/221:30:262
106891330,1ptp4l401ktimersoftd/321:25:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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