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2026-05-07 - 09:43
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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 highest latencies:
System rackbslot6.osadl.org (updated Thu May 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
943921790,4sleep13168799cyclictest00:25:561
1068911040,4ptp4l401ktimersoftd/320:30:243
116142650,3sleep20-21swapper/201:00:582
272852620,2sleep10-21swapper/123:05:471
248372620,4sleep1241ktimersoftd/123:35:501
41052590,2sleep30-21swapper/323:46:163
168092560,5sleep341-21ksoftirqd/301:40:063
314932544,39sleep00-21swapper/020:29:290
163202540,2sleep20-21swapper/222:54:192
3170199536,13cyclictest9144-21ssh23:51:303
3169399534,7cyclictest2303-21sendmail-msp22:40:362
3169399530,9cyclictest321ktimersoftd/201:05:542
28762530,1sleep20-21swapper/201:57:512
17882530,3sleep1231rcuc/121:40:511
3168199524,4cyclictest121rcu_preempt22:20:480
3170199514,13cyclictest4152-21grep20:36:013
3170199503,13cyclictest27395-21ssh22:31:383
3169399505,10cyclictest33-21ksoftirqd/223:46:062
3169399504,8cyclictest3958-21apt-get00:20:502
3169399503,7cyclictest7997-21munin-run21:55:342
31693995022,4cyclictest33-21ksoftirqd/223:55:462
3170199493,13cyclictest13219-21ssh23:23:293
3170199493,13cyclictest13219-21ssh23:23:293
3169399496,9cyclictest33-21ksoftirqd/223:25:522
3169399496,10cyclictest33-21ksoftirqd/200:35:582
3169399494,8cyclictest33-21ksoftirqd/201:35:582
3169399493,8cyclictest33-21ksoftirqd/201:15:392
293782490,2sleep00-21swapper/021:30:510
3170199488,8cyclictest20064-21cut22:20:363
3170199484,13cyclictest27683-21ssh23:37:593
3170199484,11cyclictest15530-21ssh00:31:083
3170199483,13cyclictest22574-21ssh01:11:513
3170199483,12cyclictest24807-21diskmemload23:00:363
3170199483,11cyclictest23420-21ssh23:34:053
3169399487,9cyclictest33-21ksoftirqd/221:20:452
3169399486,9cyclictest33-21ksoftirqd/200:25:572
3169399486,9cyclictest2176-21ssh00:51:022
3169399485,9cyclictest33-21ksoftirqd/223:21:062
3169399485,9cyclictest33-21ksoftirqd/223:21:062
3169399483,8cyclictest33-21ksoftirqd/200:10:382
3169399483,7cyclictest7060-21cat20:45:332
3169399482,9cyclictest321ktimersoftd/200:46:092
3169399481,8cyclictest33-21ksoftirqd/223:15:372
31687994824,4cyclictest25-21ksoftirqd/121:11:001
31687994820,4cyclictest25-21ksoftirqd/100:20:391
125432480,2sleep10-21swapper/101:01:211
3170199473,16cyclictest13042-21ssh00:30:133
3170199473,14cyclictest1474-21chrt01:56:043
3170199473,13cyclictest25168-21ssh00:08:523
3170199473,12cyclictest597-21ssh00:50:423
3169399477,8cyclictest33-21ksoftirqd/200:40:512
3169399474,8cyclictest33-21ksoftirqd/222:44:192
3169399474,8cyclictest33-21ksoftirqd/220:35:502
3169399474,7cyclictest33-21ksoftirqd/220:50:552
3169399474,7cyclictest33-21ksoftirqd/201:25:402
3169399474,6cyclictest33-21ksoftirqd/223:50:562
3169399473,8cyclictest33-21ksoftirqd/223:30:512
3169399473,8cyclictest33-21ksoftirqd/222:55:542
3169399473,8cyclictest33-21ksoftirqd/201:30:582
3169399473,7cyclictest33-21ksoftirqd/223:40:582
3169399473,7cyclictest33-21ksoftirqd/223:35:592
3169399473,7cyclictest14373-21ps00:30:542
3169399472,7cyclictest33-21ksoftirqd/222:50:362
3169399470,7cyclictest321ktimersoftd/201:25:512
3169399470,7cyclictest321ktimersoftd/200:20:392
159322470,1sleep30-21swapper/322:10:523
3170199468,9cyclictest30543-21perl22:35:513
3170199468,5cyclictest20684-21ssh00:36:373
3170199467,11cyclictest29054-21sh00:12:113
3170199464,13cyclictest12464-21ssh01:01:133
3170199464,11cyclictest24807-21diskmemload00:16:593
3170199463,13cyclictest5410-21/usr/sbin/munin00:21:033
3170199463,11cyclictest24743-21chrt22:29:553
3170199462,10cyclictest11950-21ssh23:55:493
3169399466,9cyclictest33-21ksoftirqd/220:45:452
3169399465,9cyclictest33-21ksoftirqd/200:00:482
3169399464,9cyclictest33-21ksoftirqd/222:01:022
3169399464,7cyclictest33-21ksoftirqd/221:05:332
3169399464,7cyclictest33-21ksoftirqd/201:46:092
3169399463,8cyclictest33-21ksoftirqd/222:15:532
3169399463,7cyclictest33-21ksoftirqd/223:10:552
3169399463,7cyclictest33-21ksoftirqd/223:10:552
3169399463,7cyclictest33-21ksoftirqd/222:30:582
3169399463,7cyclictest33-21ksoftirqd/221:15:562
3170199454,12cyclictest10134-21ssh01:00:383
3170199453,12cyclictest30826-21ssh00:47:163
3170199453,12cyclictest24807-21diskmemload01:51:113
3170199453,11cyclictest32209-21ssh01:21:153
3170199453,10cyclictest24807-21diskmemload22:50:003
3170199452,20cyclictest0-21swapper/323:30:083
3170199452,13cyclictest12758-21awk22:05:353
3170199452,12cyclictest757-21gzip20:30:543
3170199452,12cyclictest20496-21ssh00:04:143
3170199452,12cyclictest10306-21ssh01:32:183
3169399456,8cyclictest33-21ksoftirqd/221:05:442
3169399456,10cyclictest33-21ksoftirqd/221:40:542
3169399455,9cyclictest33-21ksoftirqd/222:10:362
3169399455,10cyclictest33-21ksoftirqd/223:05:492
3169399454,7cyclictest33-21ksoftirqd/221:26:012
3169399453,7cyclictest33-21ksoftirqd/201:45:402
3169399453,7cyclictest33-21ksoftirqd/200:10:532
3169399452,8cyclictest33-21ksoftirqd/221:55:542
3169399452,6cyclictest33-21ksoftirqd/201:15:532
3169399451,7cyclictest33-21ksoftirqd/221:35:582
31687994519,4cyclictest25-21ksoftirqd/120:45:341
31681994534,6cyclictest9-21ksoftirqd/023:55:490
3170199447,7cyclictest41-21ksoftirqd/322:56:503
3170199443,14cyclictest21124-21ssh01:44:063
3170199443,12cyclictest2542-21ssh23:12:273
3170199443,12cyclictest2542-21ssh23:12:273
3170199443,12cyclictest15135-21ssh22:52:193
3170199442,12cyclictest30560-21ssh23:08:213
3170199442,10cyclictest31655-21ssh23:41:203
3169399446,8cyclictest24807-21diskmemload23:00:442
3169399445,9cyclictest33-21ksoftirqd/221:10:512
3169399444,9cyclictest33-21ksoftirqd/201:53:542
3169399444,7cyclictest33-21ksoftirqd/222:05:512
3169399443,7cyclictest33-21ksoftirqd/222:25:472
3169399443,6cyclictest33-21ksoftirqd/221:45:482
31693994418,4cyclictest33-21ksoftirqd/220:55:552
31687994420,4cyclictest25-21ksoftirqd/121:25:481
31687994419,4cyclictest25-21ksoftirqd/100:35:581
31681994432,6cyclictest9-21ksoftirqd/001:45:510
3170199438,7cyclictest41-21ksoftirqd/301:08:023
3170199437,6cyclictest41-21ksoftirqd/301:49:363
3170199433,11cyclictest14956-21chrt22:08:433
3170199431,16cyclictest11911-21taskset20:55:153
3170199431,12cyclictest9500-21ssh23:20:333
3169399434,6cyclictest33-21ksoftirqd/200:58:382
3169399433,8cyclictest33-21ksoftirqd/221:30:542
31687994318,3cyclictest25-21ksoftirqd/100:48:441
3170199427,6cyclictest41-21ksoftirqd/301:27:023
3170199427,6cyclictest41-21ksoftirqd/300:43:143
3170199426,5cyclictest12630-21fschecks_time20:55:493
3170199424,6cyclictest19161-21latency_hist21:10:333
3169399422,7cyclictest33-21ksoftirqd/222:20:492
3169399422,7cyclictest33-21ksoftirqd/220:30:542
3169399422,6cyclictest33-21ksoftirqd/220:30:332
31681994234,4cyclictest9-21ksoftirqd/023:45:490
3168199422,7cyclictest121rcu_preempt00:25:580
3170199416,7cyclictest0-21swapper/321:50:533
31687994118,3cyclictest25-21ksoftirqd/101:06:071
31687994117,4cyclictest25-21ksoftirqd/122:25:551
31687994116,4cyclictest25-21ksoftirqd/100:50:581
31687994115,7cyclictest25-21ksoftirqd/100:43:281
3168199414,3cyclictest121rcu_preempt21:45:510
31681994134,4cyclictest9-21ksoftirqd/000:35:520
3170199407,7cyclictest29538-21irqrtprio21:30:523
3170199405,6cyclictest0-21swapper/320:40:463
3170199401,13cyclictest24662-21if_enp1s0.121:20:513
31687994013,4cyclictest25-21ksoftirqd/101:55:411
31681994030,5cyclictest9-21ksoftirqd/001:30:510
106891400,1ptp4l401ktimersoftd/322:20:503
3170199397,7cyclictest26121-21irqrtprio01:15:583
3170199397,7cyclictest2040-21cut21:40:523
3170199396,7cyclictest41-21ksoftirqd/321:01:203
3168199392,5cyclictest9-21ksoftirqd/022:51:030
3168199391,8cyclictest9-21ksoftirqd/001:56:080
3170199389,6cyclictest41-21ksoftirqd/322:41:553
3170199386,8cyclictest23942-21latency_hist21:20:343
3170199380,12cyclictest32561-21sensors21:35:583
31687993813,4cyclictest25-21ksoftirqd/121:05:521
3168199385,4cyclictest9-21ksoftirqd/001:50:590
3168199385,3cyclictest9-21ksoftirqd/000:00:570
3168199384,3cyclictest9-21ksoftirqd/000:55:020
3168199384,3cyclictest121rcu_preempt22:45:360
3168199381,4cyclictest9-21ksoftirqd/023:05:490
3168199380,4cyclictest9-21ksoftirqd/001:10:390
3170199377,7cyclictest41-21ksoftirqd/321:46:003
3170199377,7cyclictest41-21ksoftirqd/321:25:593
3168199375,3cyclictest9-21ksoftirqd/001:16:000
3168199375,3cyclictest121rcu_preempt22:20:350
3168199374,3cyclictest9-21ksoftirqd/001:12:100
3168199373,3cyclictest9-21ksoftirqd/000:56:070
31681993729,4cyclictest9-21ksoftirqd/000:30:490
31681993724,5cyclictest9-21ksoftirqd/023:12:260
31681993724,5cyclictest9-21ksoftirqd/023:12:260
31681993724,3cyclictest9-21ksoftirqd/000:05:530
3168199371,7cyclictest121rcu_preempt01:22:110
3168199370,6cyclictest121rcu_preempt23:15:480
3168199364,3cyclictest121rcu_preempt23:00:510
31681993617,16cyclictest9-21ksoftirqd/023:31:050
3168199361,3cyclictest121rcu_preempt00:40:560
3168199360,5cyclictest9-21ksoftirqd/000:10:510
31687993527,4cyclictest25-21ksoftirqd/122:35:481
3168199355,4cyclictest9-21ksoftirqd/001:35:530
3168199352,7cyclictest121rcu_preempt01:25:540
3168199352,3cyclictest121rcu_preempt00:20:530
31681993523,4cyclictest9-21ksoftirqd/023:35:530
3168199351,4cyclictest9-21ksoftirqd/020:40:500
3168199350,3cyclictest121rcu_preempt20:30:490
3168199350,3cyclictest121rcu_preempt00:46:540
31687993429,3cyclictest25-21ksoftirqd/123:30:521
3168799342,7cyclictest25-21ksoftirqd/122:25:361
3168799342,3cyclictest121rcu_preempt22:50:521
31687993421,3cyclictest25-21ksoftirqd/123:55:391
31687993421,3cyclictest25-21ksoftirqd/100:10:571
3168199342,3cyclictest121rcu_preempt01:40:540
3168199340,3cyclictest121rcu_preempt22:31:260
3168199340,3cyclictest121rcu_preempt01:00:510
3168799333,3cyclictest121rcu_preempt23:15:491
31687993328,3cyclictest25-21ksoftirqd/101:15:391
31687993328,2cyclictest25-21ksoftirqd/101:47:281
31687993319,4cyclictest25-21ksoftirqd/101:20:391
3168199335,3cyclictest9-21ksoftirqd/022:55:570
3168199334,4cyclictest121rcu_preempt21:20:490
3168199333,3cyclictest121rcu_preempt21:40:540
31681993328,3cyclictest9-21ksoftirqd/021:20:330
31681993327,3cyclictest9-21ksoftirqd/022:40:360
31681993327,3cyclictest9-21ksoftirqd/020:40:330
31681993311,7cyclictest9-21ksoftirqd/000:15:520
3168799324,4cyclictest18228-21head22:15:511
3168799323,3cyclictest25-21ksoftirqd/123:00:361
31687993221,6cyclictest25-21ksoftirqd/123:40:471
31687993219,3cyclictest25-21ksoftirqd/101:39:031
3168199325,4cyclictest9-21ksoftirqd/022:10:500
3168199323,3cyclictest121rcu_preempt23:25:550
3168199323,3cyclictest121rcu_preempt21:25:530
31681993226,4cyclictest9-21ksoftirqd/023:51:070
31681993226,3cyclictest9-21ksoftirqd/022:00:350
3168199321,8cyclictest9-21ksoftirqd/021:00:500
3168199320,5cyclictest9-21ksoftirqd/022:45:530
3168199320,3cyclictest121rcu_preempt23:43:590
3170199317,7cyclictest41-21ksoftirqd/321:12:213
3170199310,11cyclictest9604-21systemctl21:55:583
3168799315,4cyclictest25-21ksoftirqd/101:21:061
3168799313,3cyclictest121rcu_preempt00:30:531
31687993126,3cyclictest25-21ksoftirqd/121:00:331
31687993125,3cyclictest25-21ksoftirqd/123:20:541
31687993125,3cyclictest25-21ksoftirqd/123:20:541
31687993123,6cyclictest25-21ksoftirqd/101:55:581
31687993116,6cyclictest25-21ksoftirqd/121:20:341
31687993116,4cyclictest25-21ksoftirqd/101:30:201
31687993113,3cyclictest25-21ksoftirqd/122:30:491
3168799310,3cyclictest121rcu_preempt00:05:541
3168199314,3cyclictest121rcu_preempt23:20:570
3168199314,3cyclictest121rcu_preempt23:20:570
31681993125,3cyclictest9-21ksoftirqd/022:30:360
31681993125,3cyclictest9-21ksoftirqd/021:40:340
31681993125,3cyclictest9-21ksoftirqd/020:50:340
3168199311,5cyclictest9-21ksoftirqd/021:50:530
3170199307,6cyclictest41-21ksoftirqd/320:45:343
3168799306,4cyclictest25-21ksoftirqd/121:50:351
3168799304,3cyclictest121rcu_preempt20:30:471
31687993025,3cyclictest25-21ksoftirqd/123:15:361
31687993025,3cyclictest25-21ksoftirqd/123:15:361
31687993025,3cyclictest25-21ksoftirqd/120:45:511
31687993025,3cyclictest25-21ksoftirqd/100:01:061
31687993024,3cyclictest25-21ksoftirqd/123:45:571
31687993024,3cyclictest25-21ksoftirqd/101:40:531
3168799302,3cyclictest25-21ksoftirqd/122:10:351
31687993018,3cyclictest25-21ksoftirqd/123:53:041
3168199303,6cyclictest121rcu_preempt21:15:340
3168199302,6cyclictest121rcu_preempt20:55:340
31681993024,3cyclictest9-21ksoftirqd/021:10:330
3168199302,3cyclictest121rcu_preempt22:05:500
3168799294,3cyclictest121rcu_preempt00:21:061
31687992925,2cyclictest25-21ksoftirqd/123:00:511
31687992924,3cyclictest25-21ksoftirqd/122:15:361
31687992923,4cyclictest25-21ksoftirqd/123:25:541
31687992923,3cyclictest25-21ksoftirqd/121:20:501
31687992923,3cyclictest25-21ksoftirqd/101:30:521
31687992913,4cyclictest25-21ksoftirqd/121:55:351
3168799290,5cyclictest0-21swapper/122:40:561
309632295,10sleep10-21swapper/120:26:021
31687992823,3cyclictest25-21ksoftirqd/122:00:351
31687992823,3cyclictest25-21ksoftirqd/120:35:361
31687992823,3cyclictest25-21ksoftirqd/101:00:391
31687992822,3cyclictest25-21ksoftirqd/122:45:561
31687992822,3cyclictest25-21ksoftirqd/120:50:501
31681992822,3cyclictest9-21ksoftirqd/022:00:490
31681992821,3cyclictest9-21ksoftirqd/020:55:480
31687992722,3cyclictest25-21ksoftirqd/121:40:351
3168799264,9cyclictest25-21ksoftirqd/121:00:561
31687992620,3cyclictest25-21ksoftirqd/122:00:491
3168799260,2cyclictest121rcu_preempt21:30:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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