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2026-06-10 - 05:27
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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 Wed Jun 10, 2026 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
515723490,2sleep10-21swapper/121:10:271
1368723480,2sleep27169-1kworker/u9:022:40:192
1076923450,3sleep110752-21apt-get23:45:141
3237423360,2sleep10-21swapper/100:31:141
2105223230,1sleep119499-21kworker/u8:2022:55:301
2105223230,1sleep119499-21kworker/u8:2022:55:301
2366223220,2sleep20-21swapper/220:30:032
2366223220,2sleep20-21swapper/220:30:032
617823190,2sleep10-21swapper/122:24:001
617823190,2sleep10-21swapper/122:23:591
317623160,2sleep20-21swapper/221:05:222
1685023140,5sleep119-21ksoftirqd/123:57:501
820023090,3sleep20-21swapper/222:27:472
232323070,1sleep119-21ksoftirqd/119:25:261
586923060,6sleep2251ksoftirqd/221:11:412
1213823060,1sleep12376-21kworker/u8:821:25:361
2782123040,2sleep30-21swapper/319:05:183
244523010,1sleep20-21swapper/219:25:352
2341523010,1sleep221798-21kworker/u8:423:00:302
2269223010,2sleep222684-21ssh00:10:252
464522980,2sleep14637-21ssh23:30:361
464522980,2sleep14637-21ssh23:30:361
786722970,1sleep17865-21kworker/u8:222:26:131
2561322950,2sleep231630-21kworker/2:123:05:272
223722950,1sleep231477-21kworker/u8:421:00:412
2234122940,2sleep20-21swapper/222:59:292
2234122940,2sleep20-21swapper/222:59:282
2565022930,2sleep10-21swapper/123:05:311
54622900,7sleep119-21ksoftirqd/122:10:491
1824122890,3sleep118237-21ssh00:00:311
391922880,2sleep20-21swapper/219:30:262
318322870,1sleep228572-21kworker/u8:1322:15:442
2447922870,3sleep129014-21cyclictest20:30:391
2447922870,3sleep129014-21cyclictest20:30:391
2333322870,5sleep129014-21cyclictest23:00:241
2539522860,1sleep223988-21kworker/u8:1921:55:232
747722850,3sleep123139-1kworker/u9:221:15:301
850722840,1sleep14735-21kworker/u8:119:45:221
850722840,1sleep14735-21kworker/u8:119:45:221
2956922840,1sleep227976-21kworker/u8:400:25:322
1679022840,4sleep216792-21switchtime22:45:382
3261922830,7sleep119-21ksoftirqd/120:55:321
1144422810,1sleep29829-21kworker/u8:123:45:322
2947922800,2sleep20-21swapper/219:10:192
2571322800,1sleep123988-21kworker/u8:1921:55:351
2331422790,2sleep223310-21ssh21:50:252
2331422790,2sleep223310-21ssh21:50:242
1119222790,2sleep111191-21ssh22:35:141
1258822780,2sleep10-21swapper/119:55:291
1175522780,2sleep10-21swapper/119:55:011
1175522780,2sleep10-21swapper/119:55:011
2873822770,1sleep127118-21kworker/u8:2819:07:331
1975522770,6sleep129014-21cyclictest22:52:571
1975522770,6sleep129014-21cyclictest22:52:561
1569722770,1sleep213063-21kworker/u8:3020:05:232
988422760,3sleep19883-21ssh23:42:141
3247222760,2sleep132463-21ssh23:20:301
2781922760,2sleep127769-21ssh23:10:251
2075222760,2sleep220748-21ssh21:45:192
2063922760,2sleep20-21swapper/220:20:352
102922760,3sleep20-21swapper/223:23:252
804322750,1sleep14735-21kworker/u8:119:45:001
2865122750,1sleep126492-21kworker/u8:122:02:011
1112622750,2sleep211122-21ssh21:25:012
561322740,2sleep10-21swapper/119:35:311
561322740,2sleep10-21swapper/119:35:301
1661922740,1sleep116341-21kworker/u8:320:10:001
1467622740,1sleep14044-21kworker/u8:021:30:461
1604222730,2sleep214443-21kworker/u8:723:55:372
1416722730,6sleep27529-1kworker/u9:023:50:552
1416722730,6sleep27529-1kworker/u9:023:50:552
3269422720,1sleep231477-21kworker/u8:420:55:372
328522710,2sleep13225-21ssh00:40:031
328522710,2sleep13225-21ssh00:40:031
2731522710,2sleep20-21swapper/222:00:142
2575622710,2sleep10-21swapper/100:17:071
1368422710,3sleep113667-21ssh23:50:301
1368422710,3sleep113667-21ssh23:50:301
750822700,1sleep226396-21kworker/u8:823:36:482
3209922700,3sleep130316-21kworker/u8:2519:17:591
3053522700,1sleep123985-21kworker/u8:1222:05:501
3024122700,2sleep118180-1kworker/u9:223:15:361
1368222700,4sleep113673-21apt-get22:40:181
1279922700,1sleep210656-21kworker/u8:421:27:092
749122690,1sleep22376-21kworker/u8:821:15:322
68422690,2sleep20-21swapper/219:20:292
68422690,2sleep20-21swapper/219:20:292
443222690,2sleep20-21swapper/222:20:162
443222690,2sleep20-21swapper/222:20:152
2554422690,1sleep221327-21kworker/u8:1100:16:082
228722690,3sleep12281-21ssh23:25:251
391722680,2sleep23916-21ssh23:30:132
391722680,2sleep23916-21ssh23:30:132
3111822680,5sleep214605-21kworker/2:000:30:032
3059422680,1sleep221423-21kworker/u8:520:50:182
2605722680,1sleep224995-21kworker/u8:420:35:312
1657522680,1sleep22376-21kworker/u8:821:35:292
823322670,1sleep24735-21kworker/u8:119:45:012
2175922670,2sleep10-21swapper/121:46:381
1366322670,1sleep210656-21kworker/u8:421:30:102
3012522660,2sleep20-21swapper/223:15:292
1014822660,3sleep210147-21base6419:50:022
1014822660,3sleep210147-21base6419:50:022
1951722650,2sleep118585-1kworker/u9:021:41:431
2877922640,2sleep20-21swapper/219:08:062
236622640,2sleep22354-21ssh23:25:302
1889222640,1sleep217311-21kworker/u8:621:40:322
1670222640,2sleep10-21swapper/122:45:361
2787122630,5sleep119-21ksoftirqd/120:40:361
2838722620,3sleep10-21swapper/100:23:551
2764022620,2sleep20-21swapper/220:40:252
1873922620,3sleep218737-21ntpq22:50:242
1873922620,3sleep218737-21ntpq22:50:242
922622610,1sleep25792-21kworker/u8:122:30:202
2961622610,2sleep10-21swapper/100:25:351
2329222610,1sleep121327-21kworker/u8:1100:11:081
2271322610,1sleep119615-21kworker/u8:421:50:041
2271322610,1sleep119615-21kworker/u8:421:50:031
892822600,2sleep18927-21apt22:30:121
2909622600,2sleep10-21swapper/120:45:231
2145922600,1sleep121326-21kworker/u8:900:08:111
1759922600,3sleep217598-21ssh00:00:122
979522590,2sleep10-21swapper/121:20:281
3147122590,2sleep20-21swapper/222:08:402
2985922580,1sleep127111-21kworker/u8:2119:10:311
2845022580,1sleep225686-21kworker/u8:100:24:122
1987722580,1sleep216534-21kworker/u8:1000:05:182
189822580,2sleep10-21swapper/121:00:341
1242522580,1sleep228572-21kworker/u8:1322:36:282
121722580,2sleep10-21swapper/119:21:411
121722580,2sleep10-21swapper/119:21:411
794822570,2sleep10-21swapper/123:38:471
447522570,2sleep10-21swapper/119:31:461
3225622570,1sleep226494-21kworker/u8:422:10:142
3172522560,1sleep131480-21kworker/u8:920:55:001
2939722560,1sleep226552-21kworker/u8:1520:45:362
3112722550,2sleep20-21swapper/219:15:182
298122550,1sleep1656-21kworker/u8:1021:05:171
2917422550,1sleep228682-21kworker/u8:023:14:372
917722540,1sleep26046-21kworker/u8:319:45:442
917722540,1sleep26046-21kworker/u8:319:45:442
2670022540,1sleep124994-21kworker/u8:320:38:271
1847622540,5sleep225-21ksoftirqd/220:15:122
2319322530,2sleep20-21swapper/220:28:062
2100422530,2sleep10-21swapper/120:20:451
1970222530,2sleep10-21swapper/120:18:081
1461722520,1sleep29670-21kworker/u8:2120:00:402
129222520,1sleep214444-21kworker/u8:800:35:172
129222520,1sleep214444-21kworker/u8:800:35:172
976522510,1sleep27528-21kworker/u8:323:41:422
499922510,1sleep24736-21kworker/u8:219:35:162
499922510,1sleep24736-21kworker/u8:219:35:162
273022510,5sleep12729-21collect222:15:321
1397822510,1sleep14735-21kworker/u8:120:00:231
2226222500,5sleep1181rcuc/120:25:231
1662322500,7sleep119-21ksoftirqd/121:35:321
1720622470,1sleep24735-21kworker/u8:120:10:212
1820822440,2sleep10-21swapper/120:14:551
1261222400,2sleep20-21swapper/219:55:302
2505721340,1sleep30-21swapper/321:55:173
103512430,2sleep30-21swapper/322:32:233
232452390,2sleep30-21swapper/323:00:223
77882250,2sleep30-21swapper/319:42:173
37262250,14sleep30-21swapper/322:18:163
305822250,2sleep30-21swapper/319:14:313
29732250,2sleep30-21swapper/300:39:533
29732250,2sleep30-21swapper/300:39:533
58622240,2sleep30-21swapper/323:34:443
58622240,2sleep30-21swapper/323:34:443
303982240,2sleep30-21swapper/300:27:383
268362240,2sleep30-21swapper/323:09:193
237052240,2sleep30-21swapper/300:13:033
195982240,2sleep30-21swapper/320:16:593
175002240,2sleep30-21swapper/322:48:043
163512240,2sleep30-21swapper/320:07:013
146492240,2sleep30-21swapper/320:00:583
29020992314,7cyclictest301rcuc/322:44:433
289732230,2sleep30-21swapper/322:03:363
24502230,2sleep30-21swapper/321:02:343
193012230,2sleep30-21swapper/300:03:423
183522230,2sleep30-21swapper/320:15:013
155062230,11sleep30-21swapper/321:34:213
132692230,2sleep30-21swapper/319:59:173
103802230,2sleep30-21swapper/323:44:333
86282220,11sleep30-21swapper/321:18:543
59082220,2sleep30-21swapper/322:22:423
59082220,2sleep30-21swapper/322:22:413
31862220,2sleep30-21swapper/323:27:403
316622220,2sleep30-21swapper/320:54:133
297632220,2sleep30-21swapper/320:45:583
29020992217,3cyclictest301rcuc/320:20:393
231372220,10sleep3301rcuc/321:50:223
231372220,10sleep3301rcuc/321:50:213
131882220,2sleep30-21swapper/321:29:003
108962220,2sleep30-21swapper/321:23:523
29020992111,8cyclictest301rcuc/300:05:313
14212210,2sleep30-21swapper/319:24:043
14212210,2sleep30-21swapper/319:24:043
13032210,2sleep30-21swapper/323:24:313
111632210,2sleep30-21swapper/322:35:083
61892200,2sleep30-21swapper/319:37:593
61892200,2sleep30-21swapper/319:37:593
29020992014,4cyclictest301rcuc/321:39:143
29020992012,4cyclictest301rcuc/320:25:293
2902099199,7cyclictest301rcuc/300:34:233
29020991914,3cyclictest301rcuc/321:10:483
29020991913,4cyclictest301rcuc/322:27:413
29020991913,4cyclictest301rcuc/320:55:443
29020991913,4cyclictest301rcuc/320:43:573
29020991912,5cyclictest301rcuc/323:12:303
29020991911,6cyclictest301rcuc/320:30:303
29020991911,6cyclictest301rcuc/320:30:303
248392190,9sleep30-21swapper/300:15:283
46582180,8sleep30-21swapper/319:34:053
2902099189,5cyclictest301rcuc/321:45:243
29020991813,3cyclictest301rcuc/322:06:123
29020991811,5cyclictest301rcuc/323:50:253
29020991811,5cyclictest301rcuc/323:50:243
29020991811,5cyclictest301rcuc/320:35:293
29020991811,4cyclictest301rcuc/322:11:083
24832180,8sleep3301rcuc/319:25:373
2902099179,5cyclictest301rcuc/323:17:043
2902099179,5cyclictest301rcuc/321:44:033
29020991711,4cyclictest301rcuc/321:05:523
29020991710,4cyclictest31-21ksoftirqd/319:45:463
29020991710,4cyclictest31-21ksoftirqd/319:45:463
221292170,7sleep3301rcuc/322:58:303
221292170,7sleep3301rcuc/322:58:303
196412170,7sleep3301rcuc/322:52:273
196412170,7sleep3301rcuc/322:52:263
109542170,7sleep3301rcuc/319:50:363
109542170,7sleep3301rcuc/319:50:363
2902099169,5cyclictest301rcuc/300:22:453
29020991611,3cyclictest301rcuc/323:36:533
165302160,6sleep3301rcuc/323:56:193
319962140,5sleep3301rcuc/319:16:483
2902099148,4cyclictest115252sleep323:45:373
53172103,3sleep05320-21ssh23:32:130
53172103,3sleep05320-21ssh23:32:130
31190293,2sleep00-21swapper/023:18:260
30961292,3sleep031101-21ssh00:30:020
19054293,2sleep00-21swapper/000:02:310
9812282,2sleep00-21swapper/019:49:200
9812282,2sleep00-21swapper/019:49:200
972282,2sleep00-21swapper/022:11:100
884282,2sleep00-21swapper/020:59:460
8037282,2sleep00-21swapper/022:27:020
7280282,2sleep00-21swapper/019:40:340
5881282,2sleep00-21swapper/022:22:360
5881282,2sleep00-21swapper/022:22:350
4533282,2sleep00-21swapper/021:10:070
3530282,2sleep00-21swapper/023:29:300
3246282,2sleep00-21swapper/022:16:030
31259282,2sleep00-21swapper/022:07:420
28992281,2sleep00-21swapper/022:03:420
2855282,2sleep00-21swapper/019:26:430
28377282,2sleep00-21swapper/023:10:540
27376281,3sleep027382-21ntpq00:20:370
27104281,2sleep00-21swapper/020:40:120
26630282,2sleep00-21swapper/023:08:170
24911281,3sleep024978-21ssh21:55:020
24504282,2sleep00-21swapper/021:53:540
24504282,2sleep00-21swapper/021:53:530
21595282,2sleep00-21swapper/021:45:500
21595282,2sleep00-21swapper/020:23:180
20724281,3sleep020730-21diskstats22:55:220
20724281,3sleep020730-21diskstats22:55:210
19643282,2sleep00-21swapper/021:42:150
19628282,2sleep00-21swapper/020:17:120
19079282,2sleep00-21swapper/022:50:400
19079282,2sleep00-21swapper/022:50:390
17936282,2sleep00-21swapper/020:11:330
17841282,2sleep00-21swapper/022:49:430
17153282,2sleep00-21swapper/023:59:180
16656281,3sleep016692-21/usr/sbin/munin21:35:370
16370282,2sleep00-21swapper/020:07:150
15560282,2sleep00-21swapper/021:34:400
15211282,2sleep00-21swapper/022:42:560
14383282,2sleep00-21swapper/020:00:390
13005282,2sleep00-21swapper/023:50:100
13005282,2sleep00-21swapper/023:50:100
12592282,2sleep00-21swapper/022:37:180
12015281,2sleep00-21swapper/021:25:270
11991282,2sleep00-21swapper/023:46:280
11473283,2sleep00-21swapper/019:51:590
11473283,2sleep00-21swapper/019:51:590
10046282,2sleep00-21swapper/023:42:570
760271,2sleep00-21swapper/023:22:120
7501271,2sleep00-21swapper/023:36:470
6079272,2sleep00-21swapper/019:36:360
6079272,2sleep00-21swapper/019:36:360
4406272,2sleep00-21swapper/019:30:520
3088271,3sleep03284-21wc00:40:040
3088271,3sleep03284-21wc00:40:030
30866272,2sleep00-21swapper/019:15:050
30427272,2sleep00-21swapper/019:12:310
28597271,2sleep00-21swapper/019:05:490
26025271,2sleep00-21swapper/020:35:300
25552271,3sleep025550-21ssh00:16:110
24875273,2sleep00-21swapper/020:31:070
24875273,2sleep00-21swapper/020:31:070
23070271,2sleep00-21swapper/020:26:360
2255272,2sleep00-21swapper/021:00:470
21568271,2sleep00-21swapper/000:08:430
13083272,2sleep00-21swapper/019:56:530
10685272,2sleep00-21swapper/021:22:550
10106271,2sleep00-21swapper/022:31:120
8747260,2sleep00-21swapper/021:19:280
4152262,2sleep00-21swapper/021:08:400
29979261,2sleep00-21swapper/020:48:360
30338251,2sleep00-21swapper/020:50:090
1348251,2sleep00-21swapper/019:23:090
1348251,2sleep00-21swapper/019:23:090
none11:06:110
none11:06:110
none11:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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