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2026-04-04 - 12:37
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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 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3039823770,3sleep20-21swapper/220:07:362
459821720,5sleep03185799cyclictest00:33:220
2641621640,3sleep03185799cyclictest01:28:260
1068911080,4ptp4l401ktimersoftd/320:10:203
297212820,1sleep30-21swapper/300:27:223
106891700,1ptp4l401ktimersoftd/323:24:193
106891700,1ptp4l401ktimersoftd/300:29:343
31870996049,5cyclictest33-21ksoftirqd/222:02:302
106891600,1ptp4l401ktimersoftd/300:11:123
109572590,5sleep08972-21cups-browsed01:12:440
31870995631,3cyclictest33-21ksoftirqd/200:52:442
129972560,2sleep20-21swapper/222:32:352
31870995544,5cyclictest33-21ksoftirqd/221:07:312
31870995543,6cyclictest33-21ksoftirqd/221:12:302
314182554,40sleep00-21swapper/020:07:590
31870995443,5cyclictest33-21ksoftirqd/220:37:292
31870995243,4cyclictest33-21ksoftirqd/201:17:362
31870995240,6cyclictest33-21ksoftirqd/223:17:322
31870995042,4cyclictest33-21ksoftirqd/223:52:262
3187099483,3cyclictest121rcu_preempt23:32:422
31870994727,16cyclictest33-21ksoftirqd/223:57:432
3187099452,4cyclictest33-21ksoftirqd/201:37:252
31870994520,4cyclictest33-21ksoftirqd/200:12:422
31870994425,7cyclictest33-21ksoftirqd/223:07:422
31870994418,4cyclictest33-21ksoftirqd/223:37:352
106891440,1ptp4l401ktimersoftd/300:41:073
106891440,1ptp4l401ktimersoftd/300:12:333
106891440,0ptp4l401ktimersoftd/301:11:393
31870994319,4cyclictest33-21ksoftirqd/220:47:392
31870994219,4cyclictest33-21ksoftirqd/201:00:152
3187099421,3cyclictest121rcu_preempt00:47:452
3187099413,3cyclictest121rcu_preempt22:17:242
31870994131,3cyclictest33-21ksoftirqd/201:10:402
31870994128,10cyclictest33-21ksoftirqd/200:17:362
31870994120,7cyclictest33-21ksoftirqd/221:52:482
31870994118,21cyclictest33-21ksoftirqd/223:30:522
31870994116,4cyclictest33-21ksoftirqd/200:32:392
31870994115,5cyclictest33-21ksoftirqd/222:45:252
3187899403,7cyclictest0-21swapper/323:32:333
3187899402,9cyclictest7860-21sh22:27:333
3187099406,8cyclictest33-21ksoftirqd/220:22:312
3187099403,3cyclictest121rcu_preempt00:42:512
3187099403,3cyclictest121rcu_preempt00:42:512
31870994028,9cyclictest33-21ksoftirqd/223:27:212
31870994024,7cyclictest33-21ksoftirqd/200:02:512
31870994022,6cyclictest33-21ksoftirqd/223:47:512
31870994019,7cyclictest33-21ksoftirqd/222:52:202
31870994015,4cyclictest33-21ksoftirqd/220:12:342
31870994014,6cyclictest33-21ksoftirqd/201:05:512
3187099396,7cyclictest33-21ksoftirqd/201:14:582
31870993926,10cyclictest33-21ksoftirqd/223:47:222
31870993914,4cyclictest33-21ksoftirqd/222:41:372
31870993914,4cyclictest33-21ksoftirqd/222:25:182
106891390,1ptp4l401ktimersoftd/322:37:083
106891390,1ptp4l401ktimersoftd/322:17:303
106891390,1ptp4l401ktimersoftd/300:47:583
106891390,1ptp4l401ktimersoftd/300:17:453
106891390,0ptp4l401ktimersoftd/322:42:553
3187099389,4cyclictest33-21ksoftirqd/200:37:372
3187099384,8cyclictest33-21ksoftirqd/221:42:192
3187099383,4cyclictest33-21ksoftirqd/221:22:322
31870993828,3cyclictest33-21ksoftirqd/222:57:212
31870993828,3cyclictest33-21ksoftirqd/220:32:322
31870993827,4cyclictest33-21ksoftirqd/223:12:592
31870993825,4cyclictest33-21ksoftirqd/220:27:342
106891380,1ptp4l401ktimersoftd/323:50:123
106891380,1ptp4l401ktimersoftd/323:18:283
106891380,1ptp4l401ktimersoftd/323:10:153
106891380,1ptp4l401ktimersoftd/322:53:223
106891380,1ptp4l401ktimersoftd/322:52:143
106891380,1ptp4l401ktimersoftd/321:59:373
106891380,1ptp4l401ktimersoftd/301:23:323
106891380,1ptp4l401ktimersoftd/301:14:533
106891380,1ptp4l401ktimersoftd/300:52:553
106891380,1ptp4l401ktimersoftd/300:43:273
106891380,1ptp4l401ktimersoftd/300:43:273
3187099379,6cyclictest33-21ksoftirqd/222:07:472
3187099375,3cyclictest33-21ksoftirqd/200:07:442
31870993731,3cyclictest33-21ksoftirqd/201:37:442
3187099372,3cyclictest121rcu_preempt21:27:472
31870993720,5cyclictest33-21ksoftirqd/201:27:372
31870993718,7cyclictest33-21ksoftirqd/201:25:162
31870993718,11cyclictest33-21ksoftirqd/222:12:362
31870993714,4cyclictest33-21ksoftirqd/200:27:352
106891370,1ptp4l401ktimersoftd/323:58:563
106891370,1ptp4l401ktimersoftd/323:52:313
106891370,1ptp4l401ktimersoftd/322:58:053
106891370,1ptp4l401ktimersoftd/322:16:353
106891370,1ptp4l401ktimersoftd/321:27:333
106891370,1ptp4l401ktimersoftd/320:45:103
106891370,1ptp4l401ktimersoftd/301:42:243
106891370,1ptp4l401ktimersoftd/301:17:313
106891370,1ptp4l401ktimersoftd/300:06:183
106891370,0ptp4l401ktimersoftd/301:34:143
31870993624,9cyclictest33-21ksoftirqd/223:02:412
31870993624,9cyclictest33-21ksoftirqd/223:02:412
31870993622,11cyclictest33-21ksoftirqd/220:22:182
31870993618,6cyclictest33-21ksoftirqd/200:22:332
106891360,1ptp4l401ktimersoftd/323:43:443
106891360,1ptp4l401ktimersoftd/323:38:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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