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2026-04-20 - 18:57
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackfslot4.osadl.org (updated Mon Apr 20, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
396824150,2sleep23967-21ssh09:40:012
3269123660,3sleep232688-21ssh10:40:302
1140323550,1sleep210248-21kworker/u8:309:55:112
1117423420,2sleep2121rcu_preempt11:05:232
1117423420,2sleep2121rcu_preempt11:05:222
67623290,1sleep130990-21kworker/u8:909:30:431
1951623250,5sleep225-21ksoftirqd/207:20:472
1880423120,1sleep215837-21kworker/u8:2108:55:392
2869123100,3sleep228690-21gpgv07:50:032
2855023060,1sleep128118-21kworker/u8:107:50:021
1814623040,3sleep218140-21ssh12:30:352
2040823030,2sleep20-21swapper/212:35:382
1353923030,2sleep113533-21ssh12:20:291
462123020,1sleep12514-21kworker/u8:1208:15:161
1020922980,2sleep20-21swapper/208:30:252
1787422970,8sleep226507-1kworker/u9:211:20:002
2504522950,2sleep20-21swapper/209:15:012
2039022930,1sleep19699-21kworker/u8:712:35:371
377722910,1sleep2434-21kworker/u8:812:00:162
2528522910,1sleep224034-21kworker/u8:011:35:242
2779522900,1sleep223976-21kworker/u8:810:30:332
2779522900,1sleep223976-21kworker/u8:810:30:322
2245622900,2sleep122451-21sendmail-msp10:20:011
1407722890,1sleep112723-21kworker/u8:1407:05:381
654622880,2sleep25616-1kworker/u9:109:45:042
1759722880,2sleep10-21swapper/110:08:421
2328322860,2sleep223276-21ssh10:20:262
1195322860,1sleep110905-21kworker/u8:4308:35:271
371022850,6sleep1121rcu_preempt09:39:071
1366522850,2sleep10-21swapper/110:00:141
471722840,2sleep20-21swapper/208:15:172
1514822830,1sleep214199-21kworker/u8:908:45:252
1514822830,1sleep214199-21kworker/u8:908:45:252
918422810,2sleep126507-1kworker/u9:211:00:221
604322810,1sleep25087-21kworker/u8:412:05:142
189322790,3sleep21891-21ssh10:45:122
2817222760,1sleep124359-21kworker/u8:409:20:301
2817222760,1sleep124359-21kworker/u8:409:20:301
2186122760,6sleep2241rcuc/210:17:232
1355522760,1sleep211995-21kworker/u8:312:20:302
2572522750,2sleep10-21swapper/110:25:401
678422740,2sleep16782-21ssh10:55:251
2953722740,1sleep128121-21kworker/u8:407:50:441
1878222740,2sleep118780-21ntpq08:55:381
1410022740,2sleep30-21swapper/307:05:393
1358322740,3sleep213584-21nfs4_client08:40:262
889622730,2sleep23523-1kworker/u9:112:10:252
2098922730,1sleep215080-21kworker/u8:1511:25:262
1127022720,2sleep111262-21ssh12:15:351
1127022720,2sleep111262-21ssh12:15:351
692422710,1sleep25786-21kworker/u8:008:20:352
299122710,3sleep231620-1kworker/u9:308:10:142
2978722710,7sleep225-21ksoftirqd/210:35:192
700622700,1sleep223976-21kworker/u8:810:55:292
2759822700,1sleep221629-21kworker/u8:1607:45:292
2096722700,1sleep2121rcu_preempt09:02:592
1585922700,1sleep29699-21kworker/u8:712:25:322
423022680,3sleep14155-21kworker/u8:408:13:271
2372422680,2sleep20-21swapper/207:35:162
1366622680,1sleep210249-21kworker/u8:710:00:162
918522670,3sleep19184-21diskstats09:50:231
1307022670,2sleep10-21swapper/109:58:421
3104422660,2sleep129981-21kworker/u8:1007:55:261
2616722660,3sleep119-21ksoftirqd/109:15:391
1417422660,2sleep114163-21ssh11:10:341
1115922660,1sleep29697-21kworker/u8:412:15:282
1115922660,1sleep29697-21kworker/u8:412:15:282
833522650,1sleep17390-21kworker/u8:512:10:151
1418622650,2sleep20-21swapper/211:10:352
1196922650,5sleep21033-21kworker/2:208:35:282
1565422640,1sleep114590-21kworker/u8:007:10:241
1565422640,1sleep114590-21kworker/u8:007:10:241
1030322640,2sleep10-21swapper/108:30:281
2825622630,7sleep225-21ksoftirqd/209:20:362
2825622630,7sleep225-21ksoftirqd/209:20:352
2210622630,1sleep121635-21kworker/u8:2107:30:161
2210622630,1sleep121635-21kworker/u8:2107:30:151
1888822630,1sleep19699-21kworker/u8:712:32:311
1643222630,2sleep116421-21ssh11:15:291
1505222630,1sleep114199-21kworker/u8:908:45:241
1505222630,1sleep114199-21kworker/u8:908:45:241
119422630,2sleep10-21swapper/110:43:061
813822620,2sleep28114-21apt-get08:25:222
813822620,2sleep28114-21apt-get08:25:222
3119422620,1sleep128580-21kworker/u8:511:49:131
3008222620,1sleep226304-21kworker/u8:411:45:322
2337122620,2sleep123365-21ssh11:30:361
1842522620,2sleep10-21swapper/110:10:191
1842522620,2sleep10-21swapper/110:10:191
2763822610,1sleep126304-21kworker/u8:411:40:251
2556322610,1sleep215024-21kworker/u8:110:25:272
2275322610,2sleep20-21swapper/207:30:332
2275322610,2sleep20-21swapper/207:30:332
1697622610,1sleep115839-21kworker/u8:2408:50:341
1697622610,1sleep115839-21kworker/u8:2408:50:341
651022600,2sleep16509-21df_inode08:20:181
563822600,1sleep23279-21kworker/u8:110:52:442
3106022600,2sleep20-21swapper/207:55:272
3105522600,1sleep130990-21kworker/u8:909:26:341
3105522600,1sleep130990-21kworker/u8:909:26:331
2816722600,2sleep128162-21ssh10:30:441
2816722600,2sleep128162-21ssh10:30:431
2205122600,1sleep115837-21kworker/u8:2109:05:341
1685022600,2sleep10-21swapper/112:28:331
98122590,3sleep2241rcuc/209:32:052
235922590,2sleep20-21swapper/208:05:402
235922590,2sleep20-21swapper/208:05:402
2302022590,1sleep122744-21kworker/u8:109:10:091
172022590,1sleep131621-21kworker/u8:308:05:231
172022590,1sleep131621-21kworker/u8:308:05:231
89322580,2sleep20-21swapper/211:53:402
3219622580,2sleep128579-21kworker/u8:011:50:261
2326722580,1sleep215080-21kworker/u8:1511:30:292
576022570,5sleep21671-1kworker/u9:009:43:032
3146722570,2sleep20-21swapper/209:28:352
3146722570,2sleep20-21swapper/209:28:352
283322570,2sleep10-21swapper/111:56:521
1735522570,2sleep10-21swapper/107:15:311
1735522570,2sleep10-21swapper/107:15:311
1546022570,2sleep20-21swapper/207:10:212
1546022570,2sleep20-21swapper/207:10:202
922622560,1sleep25539-21kworker/u8:011:00:242
3048122560,3sleep130480-21ntpq10:35:381
2771122560,2sleep22387-21kworker/2:111:40:262
264822560,1sleep129002-21kworker/u8:1110:45:351
2632422560,9sleep225-21ksoftirqd/209:15:412
1658922560,1sleep213348-21kworker/u8:010:05:342
1413722560,2sleep20-21swapper/207:05:432
1041722560,1sleep210248-21kworker/u8:309:52:422
791322550,1sleep17390-21kworker/u8:512:09:281
293622550,2sleep20-21swapper/211:57:232
1974422550,2sleep219742-21ssh11:23:132
93522540,1sleep131621-21kworker/u8:308:03:341
521322540,1sleep123976-21kworker/u8:810:50:411
2484822540,2sleep10-21swapper/107:36:591
2077122540,1sleep115836-21kworker/u8:2009:00:361
2019022540,3sleep112593-1kworker/u9:311:25:021
1875422540,1sleep217296-21kworker/u8:910:10:292
1875422540,1sleep217296-21kworker/u8:910:10:282
834822530,2sleep10-21swapper/109:48:421
470222530,1sleep128943-21kworker/u8:709:40:241
2403122530,1sleep123974-21kworker/u8:610:21:491
2240222530,1sleep219310-21kworker/u8:009:05:432
1631822530,2sleep20-21swapper/208:50:162
1631822530,2sleep20-21swapper/208:50:152
2602022520,1sleep121538-21kworker/u8:107:40:331
2048322510,1sleep217888-21kworker/u8:607:25:222
1975922510,2sleep10-21swapper/107:22:151
2159122500,2sleep121590-21ssh11:26:141
1167222500,1sleep123976-21kworker/u8:811:05:391
1167222500,1sleep123976-21kworker/u8:811:05:381
849622480,1sleep17372-21kworker/u8:808:25:291
849622480,1sleep17372-21kworker/u8:808:25:291
377522480,2sleep13756-21apt-get12:00:151
1393322480,1sleep112767-21kworker/u8:008:40:411
2666622450,1sleep124035-21kworker/u8:111:39:071
2106122450,1sleep117885-21kworker/u8:207:25:381
80222430,1sleep229985-21kworker/u8:1408:02:022
2655222390,2sleep20-21swapper/207:42:392
1783822380,1sleep212715-21kworker/u8:507:16:442
1783822380,1sleep212715-21kworker/u8:507:16:432
28512440,2sleep30-21swapper/310:45:373
124492430,2sleep30-21swapper/312:19:233
124492430,2sleep30-21swapper/312:19:233
118752350,8sleep30-21swapper/308:35:253
86002310,1sleep30-21swapper/308:25:323
86002310,1sleep30-21swapper/308:25:323
153322300,2sleep30-21swapper/308:45:343
153322300,2sleep30-21swapper/308:45:343
8562290,16sleep30-21swapper/310:41:313
95102280,2sleep30-21swapper/311:00:363
158602280,2sleep30-21swapper/311:15:143
234012270,2sleep30-21swapper/307:34:203
234012270,2sleep30-21swapper/307:34:203
3042260,2sleep30-21swapper/309:30:383
301712250,2sleep30-21swapper/311:45:383
180352250,3chrt0-21swapper/312:30:283
122552250,2sleep30-21swapper/311:05:573
122552250,2sleep30-21swapper/311:05:563
41862240,2sleep30-21swapper/309:40:063
142952240,2sleep30-21swapper/308:43:253
72912230,2sleep30-21swapper/312:06:313
49152230,2sleep30-21swapper/312:01:003
242882230,2sleep30-21swapper/309:11:313
211202230,2sleep30-21swapper/311:25:363
34172220,2sleep30-21swapper/309:37:413
314772220,2sleep30-21swapper/310:38:463
281492220,2sleep30-21swapper/307:47:143
262992220,2sleep30-21swapper/311:37:173
178092220,2sleep30-21swapper/307:16:213
178092220,2sleep30-21swapper/307:16:203
167692220,3sleep3301rcuc/312:28:113
79812210,2sleep30-21swapper/310:58:123
56542210,2sleep30-21swapper/308:16:063
40232210,2sleep30-21swapper/308:10:523
31962210,2sleep30-21swapper/311:58:393
26552210,2sleep30-21swapper/308:09:113
26552210,2sleep30-21swapper/308:09:113
241042210,2sleep30-21swapper/310:22:113
224142210,2sleep30-21swapper/309:05:533
192402210,2sleep30-21swapper/308:56:403
174702210,2sleep30-21swapper/310:07:593
174012210,2sleep30-21swapper/308:51:413
174012210,2sleep30-21swapper/308:51:413
217792190,7sleep3301rcuc/310:17:013
198812180,7sleep3301rcuc/307:23:503
102292180,8sleep3301rcuc/309:51:453
79792170,7sleep3301rcuc/309:46:553
75932170,7sleep3301rcuc/308:24:343
319142170,6sleep3301rcuc/309:30:023
319142170,6sleep3301rcuc/309:30:013
290122170,7sleep3301rcuc/311:44:293
278092170,2sleep30-21swapper/310:30:343
278092170,2sleep30-21swapper/310:30:343
150572170,7sleep3301rcuc/310:02:133
1492999179,4cyclictest95142sleep312:11:203
14929991711,3cyclictest115792sleep309:55:263
108392170,7sleep3301rcuc/308:31:393
57122160,6sleep3301rcuc/310:53:053
234882160,5sleep3301rcuc/311:30:383
165122160,4sleep3301rcuc/307:15:003
165122160,4sleep3301rcuc/307:15:003
149012160,6sleep3301rcuc/311:11:533
131722160,6sleep3301rcuc/312:20:183
9242150,5sleep3301rcuc/311:53:493
317682150,5sleep3301rcuc/307:59:023
299182150,5sleep3301rcuc/307:51:183
260212150,4sleep3301rcuc/309:15:383
239862150,5sleep3301rcuc/307:35:213
209392150,4sleep3301rcuc/312:36:393
208512150,5sleep3301rcuc/309:01:303
207282150,5sleep3301rcuc/307:25:283
275492140,5sleep3301rcuc/309:20:123
275492140,5sleep3301rcuc/309:20:123
1492999147,4cyclictest26820-21taskset10:29:153
1492999147,4cyclictest259822chrt07:40:313
327382130,2sleep30-21swapper/308:00:303
194862130,3sleep30-21swapper/311:21:543
184442130,2sleep30-21swapper/310:10:223
184442130,2sleep30-21swapper/310:10:213
14298293,2sleep00-21swapper/012:22:140
10634291,4sleep010712-21date11:05:010
891282,3sleep0892-21ssh10:41:410
780283,2sleep00-21swapper/008:01:450
7628282,2sleep00-21swapper/012:08:070
5522282,2sleep00-21swapper/012:03:570
3607281,3sleep03630-21ntp_states08:10:330
3293282,2sleep00-21swapper/010:47:120
3196282,2sleep00-21swapper/009:36:340
31260282,2sleep00-21swapper/010:37:400
31255282,2sleep00-21swapper/009:27:300
31255282,2sleep00-21swapper/009:27:300
28850282,2sleep00-21swapper/010:32:050
28850282,2sleep00-21swapper/010:32:040
28665282,2sleep00-21swapper/009:20:540
28665282,2sleep00-21swapper/009:20:540
28344282,2sleep00-21swapper/011:41:220
28281283,2sleep00-21swapper/007:48:560
26764283,2sleep00-21swapper/009:17:410
25586281,2sleep00-21swapper/010:25:310
24255281,3sleep00-21swapper/007:35:270
24160282,2sleep00-21swapper/011:32:440
20931282,2sleep00-21swapper/012:36:370
20627282,2sleep00-21swapper/011:25:170
20015282,2sleep00-21swapper/011:24:330
18743281,3sleep018744-21ssh12:31:470
17445282,2sleep00-21swapper/011:18:060
16258282,2sleep00-21swapper/012:25:440
16175282,2sleep00-21swapper/007:11:040
16175282,2sleep00-21swapper/007:11:040
15232282,2sleep00-21swapper/011:13:280
13548281,2sleep00-21swapper/007:05:260
12687282,2sleep00-21swapper/009:56:480
12435282,2sleep00-21swapper/011:06:470
12435282,2sleep00-21swapper/011:06:460
10054282,2sleep00-21swapper/009:51:000
9465272,2sleep00-21swapper/008:29:520
9465272,2sleep00-21swapper/008:29:520
7940271,2sleep00-21swapper/010:58:010
7890271,2sleep00-21swapper/009:46:290
6539271,2sleep00-21swapper/008:20:220
5905272,2sleep00-21swapper/008:19:100
5383271,3sleep05384-21ssh10:51:270
3299271,2sleep00-21swapper/011:59:090
31514272,2sleep00-21swapper/007:55:500
2657272,2sleep00-21swapper/008:09:130
2657272,2sleep00-21swapper/008:09:130
24258271,2sleep00-21swapper/010:22:530
23376272,2sleep00-21swapper/007:34:020
23376272,2sleep00-21swapper/007:34:020
22725272,2sleep00-21swapper/009:09:530
21843271,2sleep00-21swapper/010:17:190
21691272,2sleep00-21swapper/007:28:110
21043272,2sleep00-21swapper/009:03:580
19673272,2sleep00-21swapper/007:21:110
18023273,2sleep00-21swapper/007:18:560
18023273,2sleep00-21swapper/007:18:560
17620271,2sleep00-21swapper/010:08:510
17403272,2sleep00-21swapper/008:51:430
17403272,2sleep00-21swapper/008:51:430
15077271,2sleep00-21swapper/010:02:190
1372272,2sleep00-21swapper/009:33:500
12473272,2sleep00-21swapper/008:36:190
12398271,2sleep00-21swapper/012:19:090
12398271,2sleep00-21swapper/012:19:080
11106272,2sleep00-21swapper/008:34:260
1063271,2sleep00-21swapper/011:54:310
10011271,2sleep00-21swapper/012:13:420
26411262,2sleep00-21swapper/007:40:530
15714261,2sleep00-21swapper/008:45:560
15714261,2sleep00-21swapper/008:45:560
14177262,2sleep00-21swapper/008:42:020
30149251,2sleep00-21swapper/007:54:090
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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