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2026-04-13 - 08:25
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Mon Apr 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911110,4ptp4l401ktimersoftd/320:12:413
35872680,2sleep13591-21sed20:32:431
28202630,5sleep02648299cyclictest00:43:110
141692620,1sleep00-21swapper/000:55:480
196702600,1sleep00-21swapper/022:17:250
309802590,2sleep10-21swapper/123:01:301
26486995930,3cyclictest25-21ksoftirqd/101:32:511
112292580,1sleep10-21swapper/122:41:391
282802560,4sleep09-21ksoftirqd/000:03:400
26486995650,3cyclictest25-21ksoftirqd/123:02:321
26494995541,8cyclictest33-21ksoftirqd/201:42:372
258462550,5sleep233-21ksoftirqd/220:12:472
26486995345,4cyclictest25-21ksoftirqd/121:32:301
26486995246,3cyclictest25-21ksoftirqd/100:57:361
26486995042,4cyclictest25-21ksoftirqd/121:12:291
26494994836,6cyclictest33-21ksoftirqd/201:02:352
26486994827,3cyclictest25-21ksoftirqd/123:37:321
26486994823,5cyclictest25-21ksoftirqd/101:17:511
26486994821,15cyclictest25-21ksoftirqd/122:02:411
26494994734,7cyclictest33-21ksoftirqd/200:22:372
26486994723,4cyclictest25-21ksoftirqd/122:07:341
26486994718,8cyclictest25-21ksoftirqd/100:17:501
26486994621,4cyclictest25-21ksoftirqd/121:42:181
26486994618,7cyclictest25-21ksoftirqd/121:12:171
26486994617,5cyclictest25-21ksoftirqd/121:52:471
2648699454,3cyclictest25-21ksoftirqd/122:57:201
26486994534,3cyclictest25-21ksoftirqd/121:17:371
26486994526,3cyclictest25-21ksoftirqd/100:47:221
26486994518,4cyclictest25-21ksoftirqd/123:27:391
26486994518,4cyclictest25-21ksoftirqd/123:27:391
26494994429,3cyclictest33-21ksoftirqd/223:47:342
2648699444,4cyclictest25-21ksoftirqd/122:42:391
26486994428,3cyclictest25-21ksoftirqd/100:22:481
26486994421,4cyclictest25-21ksoftirqd/100:37:431
26486994419,4cyclictest25-21ksoftirqd/123:48:391
26486994418,8cyclictest25-21ksoftirqd/100:02:451
26486994332,8cyclictest25-21ksoftirqd/123:47:201
26486994321,7cyclictest25-21ksoftirqd/123:21:491
26486994318,4cyclictest25-21ksoftirqd/121:22:181
26486994315,5cyclictest25-21ksoftirqd/121:32:171
2648699431,3cyclictest121rcu_preempt01:27:231
2650099420,4cyclictest15387-21taskset00:23:123
2648699423,7cyclictest25-21ksoftirqd/120:42:171
26486994232,3cyclictest25-21ksoftirqd/101:37:361
26486994232,3cyclictest25-21ksoftirqd/101:27:461
26486994232,3cyclictest25-21ksoftirqd/101:07:441
26486994232,3cyclictest25-21ksoftirqd/101:07:441
26486994219,4cyclictest25-21ksoftirqd/122:17:401
26486994219,3cyclictest25-21ksoftirqd/100:34:031
266692410,1sleep30-21swapper/300:02:393
2648699413,3cyclictest25-21ksoftirqd/122:27:361
26486994119,7cyclictest25-21ksoftirqd/100:07:491
26486994117,7cyclictest25-21ksoftirqd/122:02:181
26494994030,5cyclictest33-21ksoftirqd/200:52:342
26486994030,3cyclictest25-21ksoftirqd/120:22:371
26486994018,7cyclictest25-21ksoftirqd/100:49:111
26486994017,7cyclictest25-21ksoftirqd/121:42:451
26486994017,4cyclictest25-21ksoftirqd/122:14:401
26486994017,4cyclictest25-21ksoftirqd/100:27:501
26486994016,7cyclictest25-21ksoftirqd/100:52:331
26486994013,10cyclictest25-21ksoftirqd/122:22:411
26486994010,8cyclictest25-21ksoftirqd/101:02:361
26482994030,6cyclictest9-21ksoftirqd/023:57:340
26486993932,4cyclictest25-21ksoftirqd/122:32:311
26486993922,4cyclictest25-21ksoftirqd/100:12:331
26486993919,7cyclictest25-21ksoftirqd/120:17:381
26482993933,3cyclictest9-21ksoftirqd/022:42:310
119792390,3sleep30-21swapper/323:14:133
106891390,1ptp4l401ktimersoftd/323:02:553
2650099381,29cyclictest11277-21apt-get23:47:343
2650099380,3cyclictest25052-21ssh00:01:323
2648699384,4cyclictest25-21ksoftirqd/123:07:371
26486993828,3cyclictest25-21ksoftirqd/120:27:261
26486993816,4cyclictest25-21ksoftirqd/120:42:321
26486993812,10cyclictest25-21ksoftirqd/122:47:431
2635223817,11sleep125-21ksoftirqd/120:16:581
106891380,1ptp4l401ktimersoftd/323:39:513
106891380,1ptp4l401ktimersoftd/323:33:093
106891380,1ptp4l401ktimersoftd/323:23:463
106891380,1ptp4l401ktimersoftd/323:23:463
106891380,1ptp4l401ktimersoftd/323:09:023
106891380,1ptp4l401ktimersoftd/322:48:193
106891380,1ptp4l401ktimersoftd/322:20:593
106891380,1ptp4l401ktimersoftd/301:15:033
106891380,1ptp4l401ktimersoftd/300:52:593
106891380,1ptp4l401ktimersoftd/300:40:353
106891380,1ptp4l401ktimersoftd/300:33:013
106891380,1ptp4l401ktimersoftd/300:32:053
106891380,1ptp4l401ktimersoftd/300:18:073
106891380,1ptp4l401ktimersoftd/300:08:523
106891380,0ptp4l401ktimersoftd/323:31:313
106891380,0ptp4l401ktimersoftd/323:31:313
2650099371,27cyclictest20401-21apt-get01:02:353
2650099371,27cyclictest12834-21apt-get01:27:373
2650099370,4cyclictest9643-21grep20:47:313
26494993725,6cyclictest33-21ksoftirqd/222:07:302
2648699379,6cyclictest25-21ksoftirqd/121:47:391
2648699379,6cyclictest25-21ksoftirqd/121:47:391
26486993731,3cyclictest25-21ksoftirqd/123:52:371
26486993731,3cyclictest25-21ksoftirqd/101:42:401
2648699372,6cyclictest25-21ksoftirqd/101:12:421
26486993715,9cyclictest25-21ksoftirqd/100:00:121
106891370,1ptp4l401ktimersoftd/323:42:233
106891370,1ptp4l401ktimersoftd/322:58:293
106891370,1ptp4l401ktimersoftd/322:46:583
106891370,1ptp4l401ktimersoftd/322:41:183
106891370,1ptp4l401ktimersoftd/322:23:043
106891370,1ptp4l401ktimersoftd/301:45:193
106891370,1ptp4l401ktimersoftd/301:40:533
106891370,1ptp4l401ktimersoftd/301:37:163
106891370,1ptp4l401ktimersoftd/301:25:293
106891370,1ptp4l401ktimersoftd/300:58:453
106891370,1ptp4l401ktimersoftd/300:43:163
106891370,0ptp4l401ktimersoftd/322:52:223
106891370,0ptp4l401ktimersoftd/322:29:333
106891370,0ptp4l401ktimersoftd/301:08:093
106891370,0ptp4l401ktimersoftd/301:08:093
106891370,0ptp4l401ktimersoftd/300:52:153
2650099363,25cyclictest14962-21apt-get22:07:303
26494993621,8cyclictest321ktimersoftd/222:22:322
26486993630,3cyclictest25-21ksoftirqd/123:17:191
26486993630,3cyclictest25-21ksoftirqd/120:57:171
26486993629,3cyclictest25-21ksoftirqd/123:32:361
26486993627,6cyclictest25-21ksoftirqd/123:22:351
26486993627,6cyclictest25-21ksoftirqd/123:22:351
2648299364,2cyclictest121rcu_preempt22:36:560
106891360,1ptp4l401ktimersoftd/323:53:093
106891360,1ptp4l401ktimersoftd/320:38:533
106891360,1ptp4l401ktimersoftd/300:17:223
106891360,0ptp4l401ktimersoftd/323:20:563
26500993519,13cyclictest41-21ksoftirqd/321:32:193
2650099351,26cyclictest28419-21apt-get21:27:303
2648699357,5cyclictest25-21ksoftirqd/121:02:411
2648699353,3cyclictest25-21ksoftirqd/120:57:311
2648699353,3cyclictest25-21ksoftirqd/120:47:321
2650099343,25cyclictest0-21swapper/321:47:293
2650099343,25cyclictest0-21swapper/321:47:293
2650099343,25cyclictest0-21swapper/321:37:313
2650099340,4cyclictest9194-21/usr/sbin/munin21:52:453
2650099340,4cyclictest17712-21switchtime21:02:443
2650099340,3cyclictest31731-21chrt20:26:033
2649499345,5cyclictest33-21ksoftirqd/223:32:332
2648299347,7cyclictest9-21ksoftirqd/021:57:420
106891340,0ptp4l401ktimersoftd/301:18:263
2650099333,25cyclictest0-21swapper/320:27:263
2650099332,26cyclictest0-21swapper/321:22:293
2650099331,27cyclictest18701-21apt-get21:07:293
26494993327,3cyclictest33-21ksoftirqd/221:22:172
26494993321,6cyclictest33-21ksoftirqd/201:12:352
2650099323,22cyclictest2101-21apt-get20:32:273
2650099320,4cyclictest2165-21ssh22:32:303
26494993226,3cyclictest33-21ksoftirqd/200:42:212
26494993225,3cyclictest33-21ksoftirqd/200:27:352
2648299323,3cyclictest9-21ksoftirqd/000:22:220
153952320,2sleep30-21swapper/320:57:473
148372320,2sleep20-21swapper/223:17:372
2650099317,20cyclictest19538-21sort22:17:193
2650099312,22cyclictest6832-21apt-get20:42:283
26494993121,8cyclictest33-21ksoftirqd/222:52:462
2650099302,23cyclictest0-21swapper/321:42:303
2650099300,27cyclictest12499-21/usr/sbin/munin22:02:373
26494993025,3cyclictest33-21ksoftirqd/222:32:192
26494993024,4cyclictest33-21ksoftirqd/201:32:352
26494993024,3cyclictest33-21ksoftirqd/221:32:332
26494993019,9cyclictest33-21ksoftirqd/222:32:372
2648299305,3cyclictest121rcu_preempt01:17:510
26482993025,3cyclictest9-21ksoftirqd/000:42:210
26482993023,4cyclictest9-21ksoftirqd/020:37:160
2648299301,3cyclictest121rcu_preempt23:26:040
2648299301,3cyclictest121rcu_preempt23:26:040
26494992924,3cyclictest33-21ksoftirqd/223:27:402
26494992924,3cyclictest33-21ksoftirqd/223:27:402
26494992924,3cyclictest33-21ksoftirqd/221:12:352
26494992923,3cyclictest33-21ksoftirqd/222:37:322
26494992923,3cyclictest33-21ksoftirqd/201:37:412
26494992923,3cyclictest33-21ksoftirqd/200:22:212
26494992922,3cyclictest33-21ksoftirqd/221:57:182
26494992919,8cyclictest33-21ksoftirqd/201:28:492
26482992924,3cyclictest9-21ksoftirqd/022:57:400
26482992923,3cyclictest9-21ksoftirqd/023:42:390
26482992923,3cyclictest9-21ksoftirqd/022:22:490
26482992923,3cyclictest9-21ksoftirqd/001:27:430
26482992923,3cyclictest9-21ksoftirqd/000:27:220
26482992921,4cyclictest9-21ksoftirqd/020:52:300
2650099287,18cyclictest24902-21timerandwakeup21:17:453
2650099286,19cyclictest10397-21expr21:57:333
2650099284,20cyclictest21332-21entropy21:12:313
2650099281,5cyclictest28913-21latency_hist20:22:163
2650099280,4cyclictest12043-21head20:52:343
26494992823,3cyclictest33-21ksoftirqd/223:12:382
26494992823,3cyclictest33-21ksoftirqd/220:47:342
26494992823,3cyclictest33-21ksoftirqd/201:02:222
26494992822,3cyclictest33-21ksoftirqd/222:57:372
26494992822,3cyclictest33-21ksoftirqd/221:37:352
26494992822,3cyclictest33-21ksoftirqd/220:57:172
26494992822,3cyclictest33-21ksoftirqd/201:22:222
26494992821,4cyclictest33-21ksoftirqd/222:18:312
26494992817,7cyclictest33-21ksoftirqd/223:47:132
26494992814,4cyclictest33-21ksoftirqd/222:02:412
26482992823,3cyclictest9-21ksoftirqd/020:22:160
26482992823,3cyclictest9-21ksoftirqd/001:07:220
26482992823,3cyclictest9-21ksoftirqd/000:57:370
26482992822,3cyclictest9-21ksoftirqd/023:52:500
2648299281,3cyclictest121rcu_preempt22:31:370
2648299280,3cyclictest121rcu_preempt01:47:240
242392287,11sleep09-21ksoftirqd/020:12:210
2649499272,6cyclictest121rcu_preempt00:08:512
26494992722,3cyclictest33-21ksoftirqd/223:37:392
26494992722,3cyclictest33-21ksoftirqd/223:22:382
26494992722,3cyclictest33-21ksoftirqd/223:22:382
26494992722,3cyclictest33-21ksoftirqd/200:12:382
26494992721,3cyclictest33-21ksoftirqd/222:47:202
26494992721,3cyclictest33-21ksoftirqd/220:22:162
26494992721,3cyclictest33-21ksoftirqd/220:17:392
26494992721,3cyclictest33-21ksoftirqd/200:42:222
26494992721,3cyclictest33-21ksoftirqd/200:32:392
26482992722,3cyclictest9-21ksoftirqd/023:47:400
26482992722,3cyclictest9-21ksoftirqd/023:07:380
26482992722,3cyclictest9-21ksoftirqd/021:42:370
26482992722,3cyclictest9-21ksoftirqd/001:12:410
26482992721,4cyclictest9-21ksoftirqd/023:37:320
2649499262,4cyclictest121rcu_preempt23:02:382
26494992619,4cyclictest33-21ksoftirqd/222:17:112
26494992616,8cyclictest33-21ksoftirqd/223:59:072
26494992614,6cyclictest33-21ksoftirqd/220:42:272
26482992622,3cyclictest9-21ksoftirqd/022:57:200
26482992621,3cyclictest9-21ksoftirqd/021:22:170
26482992621,3cyclictest9-21ksoftirqd/021:07:170
26482992621,3cyclictest9-21ksoftirqd/020:42:170
26482992621,3cyclictest9-21ksoftirqd/001:32:420
26482992621,3cyclictest9-21ksoftirqd/001:27:230
26482992621,3cyclictest9-21ksoftirqd/000:32:380
26482992621,3cyclictest9-21ksoftirqd/000:12:400
26482992620,3cyclictest9-21ksoftirqd/021:32:360
26494992520,3cyclictest33-21ksoftirqd/221:07:352
26494992520,3cyclictest33-21ksoftirqd/201:07:512
26494992520,3cyclictest33-21ksoftirqd/201:07:512
26494992518,4cyclictest33-21ksoftirqd/221:50:412
26494992518,4cyclictest33-21ksoftirqd/221:50:412
26494992518,4cyclictest33-21ksoftirqd/201:23:572
26494992512,11cyclictest33-21ksoftirqd/223:07:462
26482992520,3cyclictest9-21ksoftirqd/022:37:380
26482992520,3cyclictest9-21ksoftirqd/021:27:360
26482992520,3cyclictest9-21ksoftirqd/020:57:360
26482992520,3cyclictest9-21ksoftirqd/000:27:350
26482992519,3cyclictest9-21ksoftirqd/000:07:390
26482992510,3cyclictest31134-21switchtime20:22:430
2648299250,3cyclictest9-21ksoftirqd/001:37:430
26494992419,3cyclictest33-21ksoftirqd/220:37:342
26494992418,3cyclictest33-21ksoftirqd/222:01:452
26494992418,3cyclictest33-21ksoftirqd/221:06:362
26494992411,11cyclictest33-21ksoftirqd/200:03:272
2649499241,10cyclictest121rcu_preempt20:57:472
26482992420,2cyclictest12601-1kworker/u9:001:10:260
26482992420,2cyclictest12601-1kworker/u9:001:10:260
26482992419,3cyclictest9-21ksoftirqd/023:32:360
26482992419,3cyclictest9-21ksoftirqd/023:27:370
26482992419,3cyclictest9-21ksoftirqd/023:27:370
26482992419,3cyclictest9-21ksoftirqd/023:22:050
26482992419,3cyclictest9-21ksoftirqd/023:07:190
26482992419,3cyclictest9-21ksoftirqd/020:27:440
26482992419,3cyclictest9-21ksoftirqd/000:47:380
196282240,2sleep00-21swapper/022:49:120
26494992317,3cyclictest33-21ksoftirqd/221:22:362
26494992317,3cyclictest33-21ksoftirqd/220:27:332
26494992316,5cyclictest33-21ksoftirqd/200:47:392
26494992312,6cyclictest33-21ksoftirqd/221:27:302
26494992312,5cyclictest33-21ksoftirqd/220:32:272
2648299233,6cyclictest9-21ksoftirqd/023:17:200
26482992318,3cyclictest9-21ksoftirqd/022:12:320
26482992318,3cyclictest9-21ksoftirqd/021:52:470
26482992318,3cyclictest9-21ksoftirqd/021:51:390
26482992318,3cyclictest9-21ksoftirqd/021:51:390
26482992318,3cyclictest9-21ksoftirqd/021:37:380
26482992318,3cyclictest9-21ksoftirqd/021:07:350
26482992317,3cyclictest9-21ksoftirqd/020:42:340
2648299230,3cyclictest121rcu_preempt21:27:170
26494992216,3cyclictest33-21ksoftirqd/221:42:212
26482992216,3cyclictest9-21ksoftirqd/022:07:180
26482992216,3cyclictest9-21ksoftirqd/021:14:050
26482992116,3cyclictest9-21ksoftirqd/022:07:360
26482992115,4cyclictest9-21ksoftirqd/020:49:290
26494992015,3cyclictest33-21ksoftirqd/222:47:372
26494992014,3cyclictest33-21ksoftirqd/223:52:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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