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2025-12-09 - 23:22
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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 Tue Dec 09, 2025 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221423000,2sleep10-21swapper/107:05:351
255722740,1sleep20-21swapper/207:05:402
260022550,1sleep3775-21kworker/u8:107:06:133
302698196188,5cyclictest6462-21kworker/u8:2007:31:562
301698193183,7cyclictest10-21ksoftirqd/007:31:560
302698110101,6cyclictest10037-21kworker/u8:3808:57:082
30169810296,3cyclictest1050ksoftirqd/008:57:080
3028989589,4cyclictest2625-21kworker/u8:3107:31:553
3021989286,4cyclictest10151-21kworker/u8:7707:31:551
3026988478,4cyclictest2633-21kworker/u8:3907:11:272
266302840,3chrt26629-21ssh11:45:261
3026987972,4cyclictest21490-21kworker/u8:4908:01:412
3016987873,3cyclictest1050ksoftirqd/007:11:270
3016987367,3cyclictest1050ksoftirqd/008:01:410
3026986255,4cyclictest10028-21kworker/u8:2909:07:102
3016986150,8cyclictest10-21ksoftirqd/009:07:100
3026985346,5cyclictest25-21ksoftirqd/210:11:392
3016985343,7cyclictest10-21ksoftirqd/010:56:440
3016985343,7cyclictest10-21ksoftirqd/010:56:440
3622510,2chrt31052-1kworker/u9:011:56:423
81692450,18sleep23015-21cyclictest12:14:362
3026984538,4cyclictest3486-21kworker/u8:511:31:412
3016984536,6cyclictest118150irq/29-4f00000.10:11:400
50052440,3sleep34976-21ssh11:00:263
3026984438,4cyclictest14262-21kworker/u8:210:22:022
3016984434,7cyclictest10-21ksoftirqd/008:27:140
3016984333,7cyclictest10-21ksoftirqd/010:22:030
3026984236,3cyclictest16710-21kworker/u8:2210:32:092
3016984230,9cyclictest10-21ksoftirqd/010:32:090
3016983933,3cyclictest1050ksoftirqd/011:31:410
3016983933,3cyclictest1050ksoftirqd/010:37:150
3016983828,7cyclictest10-21ksoftirqd/012:37:050
166292370,2chrt0-21swapper/309:10:343
302198351,3cyclictest121rcu_preempt10:30:151
54922340,8sleep1191ksoftirqd/112:07:541
266332340,2chrt0-21swapper/311:45:283
78112330,8sleep1191ksoftirqd/107:20:351
3016983320,7cyclictest10-21ksoftirqd/010:45:440
3016983320,7cyclictest10-21ksoftirqd/010:45:440
3016983320,3cyclictest10-21ksoftirqd/008:10:460
3016983320,3cyclictest10-21ksoftirqd/008:10:450
294922330,18sleep331-21ksoftirqd/308:20:003
268042330,15sleep3121rcu_preempt09:30:323
154162330,2sleep20-21swapper/207:40:342
135992330,2sleep30-21swapper/312:25:223
3016983221,3cyclictest10-21ksoftirqd/011:25:030
3016983221,3cyclictest10-21ksoftirqd/010:40:430
3016983219,5cyclictest10-21ksoftirqd/011:00:180
3016983219,3cyclictest10-21ksoftirqd/009:00:100
250582320,2sleep3121rcu_preempt10:35:243
127432320,16sleep119-21ksoftirqd/107:35:141
64752310,7sleep331-21ksoftirqd/308:43:423
3026983118,4cyclictest25-21ksoftirqd/209:10:222
3026983115,3cyclictest25-21ksoftirqd/209:30:322
3016983120,3cyclictest10-21ksoftirqd/012:21:430
3016983120,3cyclictest10-21ksoftirqd/012:01:090
3016983119,3cyclictest10-21ksoftirqd/010:25:190
3016983118,3cyclictest10-21ksoftirqd/012:10:200
291042310,7sleep1191ksoftirqd/108:16:281
26992310,8sleep3311ksoftirqd/312:00:533
268132310,7sleep1191ksoftirqd/110:39:481
199832310,7sleep331-21ksoftirqd/310:25:143
126732310,2sleep30-21swapper/307:35:043
76902300,7sleep119-21ksoftirqd/109:59:581
60442300,2sleep20-21swapper/211:02:382
3912300,15sleep1121rcu_preempt11:56:531
326162300,2sleep20-21swapper/209:43:302
305582300,2sleep30-21swapper/311:52:173
3026983014,4cyclictest25-21ksoftirqd/209:50:572
3016983019,3cyclictest10-21ksoftirqd/012:30:210
3016983019,3cyclictest10-21ksoftirqd/011:20:080
3016983018,3cyclictest10-21ksoftirqd/012:16:390
3016983018,3cyclictest10-21ksoftirqd/011:18:460
141832300,3sleep2251ksoftirqd/211:20:172
3026982914,4cyclictest25-21ksoftirqd/210:05:332
3016982918,3cyclictest10-21ksoftirqd/011:05:390
3016982917,3cyclictest10-21ksoftirqd/007:59:580
27792290,2sleep32771-21ssh10:55:353
27792290,2sleep32771-21ssh10:55:353
227792290,8sleep225-21ksoftirqd/209:22:062
139252290,3sleep213858-21ssh11:20:002
75182280,6sleep225-21ksoftirqd/207:20:232
56102280,2chrt5611-21aten2_rfpower_e09:55:183
33522280,2sleep20-21swapper/212:04:172
3026982814,4cyclictest25-21ksoftirqd/210:15:132
302198281,4cyclictest0-21swapper/110:50:421
3016982817,3cyclictest10-21ksoftirqd/010:19:140
28012280,3sleep20-21swapper/208:34:212
268832280,5sleep3311ksoftirqd/308:10:563
268832280,5sleep3311ksoftirqd/308:10:553
247222280,2sleep30-21swapper/308:05:323
93902270,1sleep27202-21kworker/u8:2610:01:082
63022270,2sleep20-21swapper/207:15:492
312402270,5sleep2251ksoftirqd/208:21:332
3028982715,3cyclictest214822kworker/u8:4108:00:333
302198271,5cyclictest9751-21grep07:25:411
302198271,5cyclictest0-21swapper/112:20:221
302198271,4cyclictest121rcu_preempt09:42:401
302198271,3cyclictest121rcu_preempt09:20:001
301698278,9cyclictest0-21swapper/011:35:350
254222270,15sleep115790-21kworker/u8:3711:41:271
247592270,3sleep324754-21ssh11:40:303
238872270,6sleep225-21ksoftirqd/208:05:112
228412270,2sleep30-21swapper/309:22:283
200512270,5sleep225-21ksoftirqd/212:39:002
192742270,2sleep30-21swapper/307:50:373
192742270,2sleep30-21swapper/307:50:363
44792260,2sleep30-21swapper/309:50:463
309532260,7sleep1191ksoftirqd/110:46:201
309532260,7sleep1191ksoftirqd/110:46:201
302898264,5cyclictest1825-21grep09:45:423
302898261,10cyclictest0-21swapper/310:45:293
302898261,10cyclictest0-21swapper/310:45:293
3026982615,6cyclictest29580-21timerwakeupswit09:35:422
3026982615,3cyclictest25-21ksoftirqd/211:10:062
302198263,6cyclictest19-21ksoftirqd/111:54:591
302198263,5cyclictest737-21/usr/sbin/munin09:45:261
301698268,9cyclictest8890-21ntp_offset10:00:360
301698267,9cyclictest10-21ksoftirqd/008:30:240
3016982621,3cyclictest118150irq/29-4f00000.09:26:400
293812260,1sleep229176-21kworker/u8:1408:19:402
21432260,1sleep232351-21kworker/u8:1209:46:002
207382260,15sleep30-21swapper/309:19:093
206052260,1sleep215666-21kworker/u8:1209:18:252
201242260,1sleep215979-21kworker/u8:607:55:032
197312260,1sleep119715-21kworker/u8:1712:37:141
178392260,2sleep10-21swapper/107:47:291
140592260,3sleep2251ksoftirqd/207:36:362
119092260,2sleep30-21swapper/310:06:513
105552260,5sleep331-21ksoftirqd/308:55:123
93542250,1sleep14578-21kworker/u8:310:00:551
87762250,4sleep331-21ksoftirqd/311:08:153
84242250,2sleep30-21swapper/308:49:543
6912250,5sleep2251ksoftirqd/208:27:042
307142250,6sleep1191ksoftirqd/108:20:451
302898259,11cyclictest31-21ksoftirqd/312:35:153
302698254,3cyclictest121rcu_preempt07:25:162
302698253,5cyclictest25-21ksoftirqd/211:00:002
302698253,5cyclictest25-21ksoftirqd/211:00:002
3026982515,3cyclictest25-21ksoftirqd/210:28:012
302198254,5cyclictest19-21ksoftirqd/110:40:481
302198254,4cyclictest121rcu_preempt07:50:231
302198254,4cyclictest121rcu_preempt07:50:231
302198251,5cyclictest19-21ksoftirqd/110:10:001
302198251,4cyclictest121rcu_preempt10:15:251
302198251,4cyclictest0-21swapper/110:59:431
302198251,4cyclictest0-21swapper/110:59:431
301698258,9cyclictest0-21swapper/007:50:270
301698258,9cyclictest0-21swapper/007:50:270
301698258,8cyclictest5786-21ntpq08:40:290
301698257,9cyclictest11039-21ssh11:12:360
301698257,9cyclictest10-21ksoftirqd/009:15:360
301698256,8cyclictest604-21ssh11:57:570
301698256,8cyclictest30986-21ssh11:54:360
301698251,3cyclictest23968-21kworker/u8:1910:50:490
281442250,1sleep228136-21kworker/u8:911:47:052
275612250,2sleep10-21swapper/109:32:191
210352250,5sleep3311ksoftirqd/311:33:463
190462250,2sleep10-21swapper/110:21:301
179222250,1sleep1972-21kworker/u8:1811:26:031
177742250,1sleep314860-21kworker/u8:112:34:323
157142250,3sleep1191ksoftirqd/109:07:451
114542250,2sleep30-21swapper/311:14:553
114112250,2sleep18564-21kworker/u8:1711:14:401
99582240,1sleep128325-21kworker/u8:2012:16:281
88102240,2sleep36460-21kworker/u8:1807:25:113
7892240,13sleep119-21ksoftirqd/108:28:081
58882240,12sleep331-21ksoftirqd/307:15:353
3028982416,4cyclictest15926-21diskmemload10:10:403
302898241,4cyclictest121rcu_preempt11:15:263
302198243,4cyclictest121rcu_preempt07:55:321
302198243,3cyclictest47642kworker/u8:409:53:431
302198243,3cyclictest15666-21kworker/u8:1209:24:351
302198242,3cyclictest121rcu_preempt11:16:401
302198242,3cyclictest121rcu_preempt09:10:441
302198241,4cyclictest0-21swapper/111:37:441
302198241,4cyclictest0-21swapper/111:30:581
302198241,4cyclictest0-21swapper/111:00:481
302198241,4cyclictest0-21swapper/109:27:341
302198241,4cyclictest0-21swapper/107:40:311
302198241,2cyclictest0-21swapper/110:11:451
301698248,8cyclictest10-21ksoftirqd/011:42:060
301698247,9cyclictest10-21ksoftirqd/007:40:170
301698247,8cyclictest27722-21sh09:33:130
301698247,8cyclictest16858-21awk09:10:410
301698247,8cyclictest10-21ksoftirqd/012:25:390
301698247,8cyclictest0-21swapper/011:48:550
301698242,9cyclictest66192grep09:55:440
3016982415,6cyclictest10-21ksoftirqd/009:20:190
274622240,2sleep13015-21cyclictest08:14:001
274622240,2sleep13015-21cyclictest08:13:591
197592240,1sleep24508-21kworker/u8:107:53:302
197592240,1sleep24508-21kworker/u8:107:53:292
183812240,12sleep313364-21kworker/u8:1411:28:383
180312240,1sleep28562-21kworker/u8:1511:26:402
177392240,5sleep3311ksoftirqd/307:46:153
11472240,1sleep326373-21kworker/u8:310:52:293
83602230,1sleep18179-21kworker/u8:2708:49:071
82982230,2sleep20-21swapper/208:48:202
6862230,1sleep331306-21kworker/u8:2208:27:023
44732230,2sleep12628-21kworker/u8:3407:11:091
44442230,1sleep32655-21kworker/u8:1408:36:433
302898236,5cyclictest121rcu_preempt08:20:023
302898236,10cyclictest158292chrt11:22:353
302898234,7cyclictest81642kworker/u8:608:52:153
302898232,3cyclictest138062kworker/u8:3309:05:093
3028982318,3cyclictest280752sleep310:40:433
302898231,5cyclictest7412-21irqrtprio07:20:233
302898231,5cyclictest11845-21ssh12:20:373
3026982317,3cyclictest5405-21kworker/u8:012:21:552
3026982316,4cyclictest25-21ksoftirqd/208:10:512
3026982316,4cyclictest25-21ksoftirqd/208:10:512
302698231,3cyclictest121rcu_preempt11:37:382
302698231,2cyclictest121rcu_preempt12:05:352
302698230,12cyclictest0-21swapper/208:35:232
302198234,4cyclictest121rcu_preempt11:05:571
302198232,3cyclictest121rcu_preempt08:35:231
302198231,4cyclictest0-21swapper/112:33:461
302198231,3cyclictest0-21swapper/112:00:271
302198231,3cyclictest0-21swapper/111:21:521
302198231,3cyclictest0-21swapper/110:27:291
301698237,8cyclictest8510-21taskset07:24:280
301698237,8cyclictest10-21ksoftirqd/009:45:380
301698237,8cyclictest10-21ksoftirqd/009:39:590
301698236,9cyclictest0-21swapper/009:42:280
301698236,8cyclictest0-21swapper/012:06:230
301698235,9cyclictest2044-21snmpd08:05:300
301698235,9cyclictest10-21ksoftirqd/008:50:180
301698235,10cyclictest10-21ksoftirqd/010:05:420
301698233,9cyclictest45232kworker/u9:208:45:400
3016982317,4cyclictest10-21ksoftirqd/008:20:210
301698231,5cyclictest4508-21kworker/u8:107:38:310
300902230,2sleep10-21swapper/109:37:581
76512220,2sleep20-21swapper/209:59:472
70262220,1sleep20-21swapper/211:05:242
302698223,3cyclictest121rcu_preempt11:52:562
302698222,3cyclictest121rcu_preempt11:40:302
302698221,5cyclictest241rcuc/210:45:342
302698221,5cyclictest241rcuc/210:45:332
302698221,3cyclictest121rcu_preempt11:55:482
302698221,3cyclictest121rcu_preempt10:40:252
302198224,4cyclictest121rcu_preempt08:50:161
302198223,3cyclictest2652-21kworker/u8:1108:33:511
302198221,3cyclictest0-21swapper/112:30:001
302198220,8cyclictest0-21swapper/108:58:201
301698229,11cyclictest5737-21missed_timers07:15:270
301698225,9cyclictest10-21ksoftirqd/008:35:170
301698225,8cyclictest10-21ksoftirqd/009:50:230
3016982216,4cyclictest10-21ksoftirqd/008:15:360
95562210,10sleep2241rcuc/208:50:382
302898212,3cyclictest121rcu_preempt12:10:233
302898211,4cyclictest0-21swapper/312:15:323
3028982114,4cyclictest31162-21sh09:40:263
302698214,4cyclictest121rcu_preempt09:00:232
302698213,3cyclictest121rcu_preempt12:33:002
302698211,5cyclictest121rcu_preempt10:50:422
302698211,4cyclictest121rcu_preempt12:25:252
3026982114,3cyclictest25-21ksoftirqd/209:25:152
302698211,3cyclictest121rcu_preempt08:40:282
302698211,3cyclictest0-21swapper/210:35:062
302198213,3cyclictest6461-21kworker/u8:1907:19:111
302198212,3cyclictest121rcu_preempt08:00:301
301698216,7cyclictest0-21swapper/007:46:010
301698215,8cyclictest0-21swapper/007:25:300
201302210,10sleep331-21ksoftirqd/307:55:073
302898207,3cyclictest55932chrt12:08:253
302898205,4cyclictest121rcu_preempt10:15:333
302898204,3cyclictest160042chrt07:42:323
302898203,3cyclictest138042kworker/u8:3109:37:363
302898202,3cyclictest121rcu_preempt09:25:253
302898201,4cyclictest0-21swapper/310:02:313
3028982013,4cyclictest23020-21latency10:30:263
302698203,3cyclictest121rcu_preempt12:15:302
302198202,7cyclictest54052kworker/u8:012:10:491
302198200,8cyclictest121rcu_preempt08:05:301
231482200,9sleep33015-21cyclictest11:37:233
3028981913,3cyclictest4332-21timerandwakeup07:10:433
3028981912,4cyclictest2081-21runrttasks10:20:213
302698191,3cyclictest121rcu_preempt07:45:112
3021981912,4cyclictest5366-21/usr/sbin/munin08:40:221
3021981910,7cyclictest12420-21apt-get09:00:151
3028981811,4cyclictest2092-21ntpq08:30:323
302898180,3cyclictest121rcu_preempt09:00:303
301698155,8cyclictest3042-21cut07:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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