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2026-06-26 - 11:47
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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 Fri Jun 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911350,8ptp4l401ktimersoftd/320:53:343
106891710,1ptp4l401ktimersoftd/302:20:583
106891710,1ptp4l401ktimersoftd/302:11:153
230312700,2sleep30-21swapper/302:02:233
106891680,1ptp4l401ktimersoftd/322:59:183
276012670,2sleep30-21swapper/301:33:373
87432645,10sleep00-21swapper/020:55:590
277172640,4sleep3401ktimersoftd/323:55:203
78752600,2sleep20-21swapper/200:40:562
265892580,3sleep0111rcuc/001:33:180
106891570,1ptp4l401ktimersoftd/323:43:443
106891570,1ptp4l401ktimersoftd/301:18:433
233612560,5sleep223364-21fschecks_time22:33:292
218522560,1sleep20-21swapper/223:49:052
291292540,2sleep20-21swapper/221:38:252
106891540,2ptp4l3437-21kworker/3:200:19:273
147792530,2sleep00-21swapper/002:26:410
134402520,3sleep10-21swapper/123:41:291
96492500,2sleep30-21swapper/301:14:543
96492500,2sleep30-21swapper/301:14:543
106891490,1ptp4l401ktimersoftd/300:50:203
902899487,6cyclictest33-21ksoftirqd/223:23:362
9028994824,10cyclictest33-21ksoftirqd/221:48:122
9028994824,10cyclictest33-21ksoftirqd/221:48:122
902899478,7cyclictest33-21ksoftirqd/200:43:402
902899468,7cyclictest33-21ksoftirqd/221:13:312
902899467,7cyclictest33-21ksoftirqd/201:28:322
29342460,2sleep20-21swapper/201:08:352
9028994524,10cyclictest33-21ksoftirqd/200:23:352
9028994523,9cyclictest33-21ksoftirqd/201:38:352
9028994520,9cyclictest33-21ksoftirqd/202:11:202
9028994422,10cyclictest33-21ksoftirqd/200:48:292
9028994420,10cyclictest33-21ksoftirqd/201:23:452
106891440,1ptp4l401ktimersoftd/323:28:233
106891440,1ptp4l401ktimersoftd/300:13:083
106891440,10ptp4l401ktimersoftd/301:45:533
106891440,0ptp4l401ktimersoftd/301:07:503
9028994320,8cyclictest33-21ksoftirqd/200:08:362
9028994316,10cyclictest33-21ksoftirqd/200:32:332
106891430,1ptp4l401ktimersoftd/300:05:453
902899426,7cyclictest33-21ksoftirqd/201:43:302
902899424,7cyclictest33-21ksoftirqd/223:36:102
902899424,7cyclictest33-21ksoftirqd/223:36:102
902899423,6cyclictest33-21ksoftirqd/200:15:152
9028994218,9cyclictest33-21ksoftirqd/223:03:242
902899417,6cyclictest33-21ksoftirqd/201:01:132
902899414,6cyclictest33-21ksoftirqd/222:43:312
902899413,7cyclictest321ktimersoftd/222:01:172
902899413,6cyclictest33-21ksoftirqd/200:57:082
9028994118,9cyclictest33-21ksoftirqd/223:45:092
9023994131,5cyclictest25-21ksoftirqd/123:23:281
902899406,7cyclictest33-21ksoftirqd/202:18:462
902899403,7cyclictest33-21ksoftirqd/223:22:262
902899403,7cyclictest33-21ksoftirqd/202:03:442
902899403,6cyclictest0-21swapper/201:56:242
9028994035,2cyclictest311rcuc/201:03:232
9028994014,10cyclictest33-21ksoftirqd/222:53:332
106891400,0ptp4l401ktimersoftd/322:27:573
902899396,6cyclictest33-21ksoftirqd/223:12:522
902899395,7cyclictest33-21ksoftirqd/221:33:242
902899393,6cyclictest33-21ksoftirqd/201:15:422
902899393,6cyclictest33-21ksoftirqd/201:15:422
902899393,5cyclictest0-21swapper/222:48:152
902899393,5cyclictest0-21swapper/201:49:282
9028993920,9cyclictest33-21ksoftirqd/200:37:482
9028993916,8cyclictest33-21ksoftirqd/221:28:332
9028993915,8cyclictest33-21ksoftirqd/200:18:352
106891390,1ptp4l401ktimersoftd/300:57:063
902899385,6cyclictest33-21ksoftirqd/221:23:312
902899384,7cyclictest0-21swapper/201:34:332
902899384,10cyclictest33-21ksoftirqd/223:54:532
9028993833,3cyclictest33-21ksoftirqd/200:08:152
9028993820,8cyclictest33-21ksoftirqd/223:29:372
9028993819,10cyclictest33-21ksoftirqd/223:13:272
106891380,5ptp4l401ktimersoftd/323:15:203
106891380,1ptp4l401ktimersoftd/323:35:413
106891380,1ptp4l401ktimersoftd/323:35:413
106891380,1ptp4l401ktimersoftd/323:08:463
106891380,1ptp4l401ktimersoftd/321:58:403
106891380,1ptp4l401ktimersoftd/302:15:293
902899377,7cyclictest33-21ksoftirqd/202:23:382
902899376,7cyclictest33-21ksoftirqd/221:03:222
902899374,6cyclictest33-21ksoftirqd/201:20:572
9028993733,2cyclictest311rcuc/223:58:402
9028993716,9cyclictest33-21ksoftirqd/220:58:312
106891370,1ptp4l401ktimersoftd/323:06:383
106891370,1ptp4l401ktimersoftd/321:03:113
106891370,1ptp4l401ktimersoftd/301:42:353
106891370,1ptp4l401ktimersoftd/301:12:313
106891370,1ptp4l401ktimersoftd/300:39:543
106891370,1ptp4l401ktimersoftd/300:28:093
106891370,0ptp4l401ktimersoftd/300:17:393
902899364,7cyclictest33-21ksoftirqd/222:23:432
902899364,6cyclictest33-21ksoftirqd/202:15:592
902899363,7cyclictest33-21ksoftirqd/202:00:322
9028993611,11cyclictest33-21ksoftirqd/222:58:252
875023614,10sleep20-21swapper/220:56:052
106891360,1ptp4l401ktimersoftd/323:51:483
106891360,1ptp4l401ktimersoftd/322:43:373
106891360,1ptp4l401ktimersoftd/321:13:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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