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2026-06-27 - 15:44
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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 376 highest latencies:
System rackfslot4.osadl.org (updated Sat Jun 27, 2026 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1567124680,5sleep225-21ksoftirqd/210:40:262
1740923850,1sleep215064-21kworker/u8:1308:05:122
1740923850,1sleep215064-21kworker/u8:1308:05:122
1954223810,4sleep213761-1kworker/u9:112:00:172
1741723790,2sleep10-21swapper/108:05:171
1741723790,2sleep10-21swapper/108:05:161
854723380,4sleep225-21ksoftirqd/210:25:222
3186523320,1sleep123233-21kworker/u8:412:25:351
1955923280,2sleep16164-21diskmemload12:00:201
183223220,1sleep123233-21kworker/u8:412:30:411
183223220,1sleep123233-21kworker/u8:412:30:411
1664723180,2sleep20-21swapper/208:01:372
111523170,2sleep10-21swapper/108:53:451
1197523130,2sleep10-21swapper/111:43:551
2468223100,1sleep123232-21kworker/u8:212:10:261
129523070,1sleep130289-21kworker/u8:1411:20:191
1201323060,2sleep20-21swapper/207:49:362
1201323060,2sleep20-21swapper/207:49:352
2208423030,1sleep220908-21kworker/u8:112:05:202
720923020,1sleep23364-21kworker/u8:110:21:232
3037523020,2sleep30-21swapper/307:05:283
2612723020,1sleep223401-21kworker/u8:308:30:312
2612723020,1sleep223401-21kworker/u8:308:30:302
3245222980,2sleep20-21swapper/207:10:412
2726522970,1sleep125987-21kworker/u8:509:55:221
307122960,5sleep25364-21kworker/2:112:35:012
307122960,5sleep25364-21kworker/2:112:35:002
2049422960,2sleep220490-21ssh10:50:332
897422950,8sleep11324-21sshd10:25:371
1074722950,1sleep210121-21kworker/u8:409:20:012
2704622940,2sleep20-21swapper/212:15:332
2960922930,1sleep128301-21kworker/u8:308:40:351
426522920,6sleep131236-21cyclictest10:15:281
82022900,2sleep2822-21tr11:20:002
2921622890,1sleep225525-21kworker/u8:112:20:292
555722860,3sleep15551-21cron07:30:001
555722860,3sleep15551-21cron07:30:001
2770722860,3sleep227700-21ntpq08:35:292
2770722860,3sleep227700-21ntpq08:35:282
2948722850,2sleep20-21swapper/210:00:222
940222840,1sleep16145-21kworker/u8:109:15:331
805622840,1sleep23734-21kworker/u8:1107:35:322
2267622840,1sleep221293-21kworker/u8:110:55:272
2628422830,2sleep20-21swapper/209:53:252
1117322820,9sleep119-21ksoftirqd/110:30:321
552922810,2sleep25530-21latency_hist11:30:022
473922810,1sleep230924-21kworker/u8:307:25:272
473922810,1sleep230924-21kworker/u8:307:25:272
198722810,2sleep11979-21ssh10:10:301
1809922810,2sleep118032-21ssh10:45:371
1458022810,2sleep20-21swapper/207:55:342
88922800,1sleep132693-21kworker/u8:410:09:211
88922800,1sleep132693-21kworker/u8:410:09:201
2498822800,1sleep119086-21kworker/u8:209:50:241
1394222800,2sleep10-21swapper/109:25:351
397922790,1sleep1121rcu_preempt12:35:311
397922790,1sleep1121rcu_preempt12:35:311
646522770,2sleep20-21swapper/207:30:332
373222770,1sleep231831-21kworker/u8:409:00:262
3172022770,2sleep10-21swapper/107:10:241
2511822770,1sleep118982-21kworker/u8:411:00:361
1764722770,2sleep117639-21ssh11:55:291
658922760,2sleep132294-1kworker/u9:010:20:271
2697522760,2sleep126973-21ssh11:05:231
2467822760,1sleep225-21ksoftirqd/211:00:222
1684222760,2sleep20-21swapper/209:31:472
1684222760,2sleep20-21swapper/209:31:472
1138622760,1sleep10-21swapper/109:20:241
50122750,1sleep231826-21kworker/u8:008:50:372
324722750,1sleep130924-21kworker/u8:307:20:431
1970822750,2sleep10-21swapper/108:10:361
1830622750,2sleep20-21swapper/210:45:462
1312522750,1sleep132609-21kworker/u8:2311:45:321
393622740,1sleep2432-21kworker/u8:1310:15:212
292522740,1sleep2432-21kworker/u8:1310:12:562
968722730,2sleep20-21swapper/207:40:312
982722720,1sleep16912-21kworker/u8:1507:40:381
218222720,2sleep21959-21kworker/2:208:55:352
2169722720,1sleep119086-21kworker/u8:209:43:151
1987022720,1sleep118984-21kworker/u8:610:50:201
1396822720,2sleep213960-21ssh09:25:352
2962522710,2sleep20-21swapper/208:40:352
2412122710,3sleep224119-21ssh12:10:152
636222700,2sleep26361-21ssh11:30:332
406022700,1sleep130292-21kworker/u8:1711:25:301
2295022700,2sleep10-21swapper/108:20:331
525622690,2sleep25364-21kworker/2:112:39:462
525622690,2sleep25364-21kworker/2:112:39:462
3116622690,2sleep231165-21ssh12:25:152
2611422690,3sleep116724-1kworker/u9:108:30:301
2611422690,3sleep116724-1kworker/u9:108:30:291
1320922690,1sleep232609-21kworker/u8:2311:45:372
2953822680,2sleep229537-21ssh11:10:272
2953822680,2sleep229537-21ssh11:10:262
2234522680,6sleep119-21ksoftirqd/109:45:161
1970222680,2sleep10-21swapper/109:39:381
2696522670,2sleep10-21swapper/112:15:281
2353622670,1sleep123233-21kworker/u8:412:08:381
2125422670,1sleep214980-21kworker/u8:808:15:302
3211222660,2sleep20-21swapper/210:05:322
3211222660,2sleep20-21swapper/210:05:322
2774522660,1sleep125040-21kworker/u8:208:35:321
2774522660,1sleep125040-21kworker/u8:208:35:311
2441922660,1sleep123402-21kworker/u8:408:25:261
1112622660,1sleep27281-21kworker/u8:310:30:282
777122650,2sleep16912-21kworker/u8:1507:35:231
3099122650,1sleep118982-21kworker/u8:411:15:001
3099122650,1sleep118982-21kworker/u8:411:15:001
1780022650,2sleep20-21swapper/209:35:122
1475422650,2sleep114737-21apt-get11:50:141
2035522640,2sleep20-21swapper/209:40:192
1615622640,1sleep10-21swapper/108:00:281
121222640,2sleep10-21swapper/107:15:271
377822630,1sleep131831-21kworker/u8:409:00:291
3230522630,3sleep132297-21ssh11:15:411
1351422630,1sleep125990-21kworker/u8:910:35:351
3098322620,1sleep130926-21kworker/u8:507:07:511
2883422620,2sleep20-21swapper/209:59:492
694022610,2sleep16901-21ssh09:10:271
2980922610,1sleep125987-21kworker/u8:510:00:281
1328922610,3sleep213286-21ssh10:35:232
868122600,1sleep12548-21kworker/u8:011:35:351
713122600,1sleep230201-21kworker/u8:1609:10:352
1904122600,7sleep216724-1kworker/u9:108:10:152
1577522600,1sleep119-21ksoftirqd/109:30:161
1577522600,1sleep119-21ksoftirqd/109:30:161
1419022600,1sleep110193-21kworker/u8:007:55:221
1292022600,2sleep20-21swapper/209:24:462
645622590,1sleep130924-21kworker/u8:307:30:321
2516722590,2sleep20-21swapper/208:28:382
243122590,3sleep22430-21ssh11:21:372
2246222580,2sleep10-21swapper/110:55:221
2092022580,3sleep116724-1kworker/u9:108:15:211
535922570,1sleep12626-21kworker/u8:1509:05:281
3096822570,1sleep130189-21kworker/u8:508:45:221
1733622570,1sleep216090-21kworker/u8:1311:55:222
1077222570,2sleep2241rcuc/211:40:262
3047522560,2sleep10-21swapper/112:23:011
2833922560,1sleep225903-21kworker/u8:911:08:302
278822550,2sleep10-21swapper/108:58:491
1293322550,2sleep10-21swapper/107:50:311
1612522540,2sleep216123-21ssh11:52:002
3100422530,1sleep230926-21kworker/u8:507:08:082
2336822530,2sleep20-21swapper/208:21:332
133322530,5sleep225-21ksoftirqd/207:15:362
1186622530,2sleep10-21swapper/107:47:411
1186622530,2sleep10-21swapper/107:47:411
688222520,1sleep132610-21kworker/u8:2411:31:051
3186422510,1sleep231832-21kworker/u8:708:47:552
1701822500,1sleep114168-21kworker/u8:110:44:511
795022490,2sleep20-21swapper/211:35:082
2296422480,3sleep222961-21ntpq09:45:302
1295222480,1sleep211818-21kworker/u8:107:50:322
390922460,2sleep20-21swapper/207:24:422
603822440,1sleep231831-21kworker/u8:409:08:422
12562510,2sleep30-21swapper/308:55:003
321312470,2sleep30-21swapper/312:25:403
180892360,2chrt0-21swapper/309:35:223
215122350,2sleep30-21swapper/308:15:393
152882340,2sleep30-21swapper/311:50:243
31238993024,4cyclictest301rcuc/311:45:513
31238992822,4cyclictest301rcuc/310:50:593
31238992822,4cyclictest301rcuc/307:42:013
31238992821,5cyclictest301rcuc/309:08:493
31238992722,3cyclictest301rcuc/310:03:533
31238992722,3cyclictest301rcuc/309:21:203
31238992721,4cyclictest301rcuc/310:23:073
31238992721,4cyclictest301rcuc/310:07:073
31238992721,4cyclictest301rcuc/310:07:073
31238992721,4cyclictest301rcuc/309:27:073
31238992721,4cyclictest301rcuc/309:11:093
31238992721,4cyclictest301rcuc/308:21:273
31238992721,3cyclictest301rcuc/308:00:113
31238992720,3cyclictest301rcuc/312:32:143
31238992720,3cyclictest301rcuc/312:32:133
31238992720,3cyclictest301rcuc/309:15:533
31238992719,5cyclictest301rcuc/309:49:343
306572270,2sleep30-21swapper/311:13:383
306572270,2sleep30-21swapper/311:13:383
31238992620,4cyclictest301rcuc/312:35:273
31238992620,4cyclictest301rcuc/312:35:263
31238992620,4cyclictest301rcuc/310:19:133
31238992620,4cyclictest301rcuc/308:26:383
31238992619,5cyclictest301rcuc/311:37:313
31238992619,5cyclictest301rcuc/311:22:233
31238992619,5cyclictest301rcuc/307:32:403
31238992618,5cyclictest301rcuc/312:24:043
31238992618,4cyclictest301rcuc/312:08:203
210682260,2sleep30-21swapper/312:02:483
31238992520,3cyclictest301rcuc/307:37:393
31238992519,4cyclictest301rcuc/311:56:003
31238992519,4cyclictest301rcuc/307:47:283
31238992519,4cyclictest301rcuc/307:47:283
31238992518,4cyclictest301rcuc/308:31:053
31238992518,4cyclictest301rcuc/308:31:043
31238992518,3cyclictest301rcuc/311:32:363
318452240,2sleep30-21swapper/308:47:403
31238992419,3cyclictest301rcuc/310:12:103
31238992419,3cyclictest301rcuc/307:54:483
31238992418,4cyclictest301rcuc/309:44:183
31238992417,5cyclictest301rcuc/310:43:013
31238992416,5cyclictest301rcuc/307:27:263
31238992416,5cyclictest301rcuc/307:27:263
31238992416,4cyclictest301rcuc/310:57:453
283102240,2sleep30-21swapper/308:37:193
283102240,2sleep30-21swapper/308:37:183
26912240,2sleep30-21swapper/308:57:333
203532240,2sleep30-21swapper/308:14:393
140032240,2sleep30-21swapper/310:36:163
114722240,2sleep30-21swapper/311:41:363
31238992318,3cyclictest301rcuc/310:47:453
31238992317,4cyclictest301rcuc/311:29:473
31238992317,4cyclictest301rcuc/310:34:333
31238992317,4cyclictest301rcuc/309:53:323
31238992317,4cyclictest301rcuc/309:00:123
31238992317,4cyclictest301rcuc/307:18:443
31238992316,4cyclictest301rcuc/312:10:573
31238992315,5cyclictest301rcuc/311:04:503
175002230,2sleep30-21swapper/309:34:533
175002230,2sleep30-21swapper/309:34:533
31238992217,3cyclictest301rcuc/308:43:433
31238992217,3cyclictest301rcuc/307:57:493
31238992216,4cyclictest301rcuc/312:15:043
31238992216,4cyclictest301rcuc/311:05:473
31238992216,4cyclictest301rcuc/309:59:303
31238992115,4cyclictest301rcuc/310:27:363
31238992115,4cyclictest301rcuc/307:24:443
185482210,2sleep30-21swapper/308:07:073
185482210,2sleep30-21swapper/308:07:073
31238992014,4cyclictest301rcuc/311:15:443
31238991913,4cyclictest301rcuc/307:11:323
9956293,3sleep09912-21latency_hist11:40:010
21821291,4sleep00-21swapper/012:05:150
16449292,2sleep00-21swapper/010:42:020
12073293,2sleep00-21swapper/010:32:530
9653282,2sleep00-21swapper/010:27:130
7658282,2sleep00-21swapper/010:23:270
6861282,2sleep00-21swapper/007:31:130
5193282,2sleep00-21swapper/012:39:300
5193282,2sleep00-21swapper/012:39:300
32741282,2sleep00-21swapper/010:06:360
32741282,2sleep00-21swapper/010:06:350
32439282,2sleep00-21swapper/012:26:390
3106282,2sleep00-21swapper/011:24:450
30864282,2sleep00-21swapper/007:06:260
28422282,2sleep00-21swapper/009:57:540
28132282,2sleep00-21swapper/012:18:540
27960282,2sleep00-21swapper/011:06:400
2779282,2sleep00-21swapper/010:12:180
27730281,3sleep027744-21/usr/sbin/munin08:35:310
27730281,3sleep027744-21/usr/sbin/munin08:35:310
26220282,2sleep00-21swapper/011:04:110
23787282,2sleep00-21swapper/009:47:260
23600282,2sleep00-21swapper/010:57:430
16327282,2sleep00-21swapper/011:53:000
14520282,2sleep00-21swapper/009:26:340
13383282,2sleep00-21swapper/007:51:320
11305282,2sleep00-21swapper/011:40:500
950271,2sleep00-21swapper/008:51:480
8754272,2sleep00-21swapper/007:39:410
8301271,2sleep00-21swapper/009:14:240
5936271,2sleep00-21swapper/009:07:240
5210271,2sleep00-21swapper/011:29:000
4038271,2sleep00-21swapper/010:15:240
32499272,2sleep00-21swapper/007:11:130
32341271,2sleep00-21swapper/011:15:490
31887272,2sleep00-21swapper/008:48:140
30285271,2sleep00-21swapper/011:11:550
30285271,2sleep00-21swapper/011:11:550
30070273,2sleep00-21swapper/008:40:550
29165271,2sleep00-21swapper/010:00:080
2869272,2sleep00-21swapper/012:34:150
2869272,2sleep00-21swapper/012:34:150
26499271,2sleep00-21swapper/009:54:340
2608272,2sleep00-21swapper/008:56:350
25076272,2sleep00-21swapper/008:27:280
23588272,2sleep00-21swapper/008:24:170
21662272,2sleep00-21swapper/010:54:220
20905271,2sleep00-21swapper/012:02:050
20345271,2sleep00-21swapper/008:14:330
19477271,2sleep00-21swapper/009:38:370
19349271,2sleep00-21swapper/010:49:030
18668271,2sleep00-21swapper/011:58:180
14173271,2sleep00-21swapper/010:37:070
14023273,2sleep00-21swapper/011:47:570
12744271,2sleep00-21swapper/009:23:530
5231261,2sleep00-21swapper/007:26:020
5231261,2sleep00-21swapper/007:26:020
3674261,2sleep00-21swapper/007:21:480
3157261,2sleep00-21swapper/009:00:100
26630261,2sleep00-21swapper/008:31:450
26630261,2sleep00-21swapper/008:31:450
21874261,2sleep00-21swapper/008:18:240
21725261,2sleep00-21swapper/009:43:240
1872261,2sleep00-21swapper/007:17:480
18691261,2sleep00-21swapper/008:08:580
18691261,2sleep00-21swapper/008:08:580
16865261,2sleep00-21swapper/008:04:180
14948261,2sleep00-21swapper/007:55:580
11953261,2sleep00-21swapper/007:48:500
11953261,2sleep00-21swapper/007:48:500
10123262,2sleep00-21swapper/007:41:060
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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