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2026-04-16 - 00:58
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Wed Apr 15, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1600217200,6sleep30-21swapper/307:12:223
169825820,4sleep10-21swapper/107:12:241
1634721260,1sleep2261rcuc/212:32:182
1634721260,1sleep2261rcuc/212:32:182
2081821100,2sleep10-21swapper/108:02:211
2081821100,2sleep10-21swapper/108:02:211
2081821100,2sleep10-21swapper/108:02:211
2572221060,2sleep30-21swapper/309:22:133
2572221060,2sleep30-21swapper/309:22:133
2572221060,2sleep30-21swapper/309:22:133
1316821060,2sleep113164-21find07:42:191
1316821060,2sleep113164-21find07:42:191
1316821060,2sleep113164-21find07:42:191
2841721030,2sleep228418-21grep08:22:202
2841721030,2sleep228418-21grep08:22:202
112572990,2sleep30-21swapper/307:37:193
112572990,2sleep30-21swapper/307:37:193
19032980,2sleep00-21swapper/012:17:200
19032980,2sleep00-21swapper/012:17:200
120442970,3sleep20-21swapper/209:06:562
120442970,3sleep20-21swapper/209:06:562
75212960,2sleep30-21swapper/308:52:193
75212960,2sleep30-21swapper/308:52:193
58122890,4sleep333-21ksoftirqd/311:48:043
58122890,4sleep333-21ksoftirqd/311:48:043
30222820,1sleep012-21ksoftirqd/011:12:200
30222820,1sleep012-21ksoftirqd/011:12:200
141432820,3sleep30-21swapper/309:43:283
141432820,3sleep30-21swapper/309:43:283
180212690,4sleep10-21swapper/109:47:241
180212690,4sleep10-21swapper/109:47:241
281182670,3sleep00-21swapper/009:57:480
281182670,3sleep00-21swapper/009:57:480
281182670,3sleep00-21swapper/009:57:480
137112650,2sleep10-21swapper/109:42:461
137112650,2sleep10-21swapper/109:42:461
239762640,4sleep10-21swapper/111:00:401
239762640,4sleep10-21swapper/111:00:401
54552620,11sleep333-21ksoftirqd/311:15:053
54552620,11sleep333-21ksoftirqd/311:15:053
90552570,4sleep30-21swapper/309:38:263
90552570,4sleep30-21swapper/309:38:263
227212570,2sleep30-21swapper/308:07:213
227212570,2sleep30-21swapper/308:07:213
85892560,3sleep30-21swapper/310:12:113
85892560,3sleep30-21swapper/310:12:113
202492550,3sleep30-21swapper/312:36:573
202492550,3sleep30-21swapper/312:36:573
145812550,3chrt0-21swapper/211:23:362
145812550,3chrt0-21swapper/211:23:362
145812550,3chrt0-21swapper/211:23:362
295332540,3sleep00-21swapper/012:12:300
191262540,2sleep20-21swapper/207:57:232
191262540,2sleep20-21swapper/207:57:232
231392530,3sleep20-21swapper/209:19:592
231392530,3sleep20-21swapper/209:19:592
66132520,4sleep10-21swapper/112:22:111
66132520,4sleep10-21swapper/112:22:111
170322520,3sleep10-21swapper/107:52:201
170322520,3sleep10-21swapper/107:52:201
216502490,1sleep221661-21latency_hist08:07:052
216502490,1sleep221661-21latency_hist08:07:052
216502490,1sleep221661-21latency_hist08:07:052
25752460,3sleep30-21swapper/312:17:513
25752460,3sleep30-21swapper/312:17:513
174672460,3sleep30-21swapper/310:21:033
174672460,3sleep30-21swapper/310:21:033
174672460,3sleep30-21swapper/310:21:033
80152450,3sleep28021-21grep09:37:202
80152450,3sleep28021-21grep09:37:202
179862440,2sleep2261rcuc/209:47:212
179862440,2sleep2261rcuc/209:47:212
209702430,5sleep227-21ksoftirqd/210:24:072
209702430,5sleep227-21ksoftirqd/210:24:072
209702430,5sleep227-21ksoftirqd/210:24:072
265492420,2sleep00-21swapper/009:22:400
265492420,2sleep00-21swapper/009:22:400
265492420,2sleep00-21swapper/009:22:400
176072420,3sleep1201rcuc/109:14:481
176072420,3sleep1201rcuc/109:14:481
1928994123,8cyclictest30589-21find09:27:191
1928994123,8cyclictest30589-21find09:27:191
188392410,4sleep0151rcuc/010:22:080
188392410,4sleep0151rcuc/010:22:080
188392410,4sleep0151rcuc/010:22:080
16032410,1chrt12-21ksoftirqd/007:12:230
259842400,4sleep00-21swapper/011:36:280
259842400,4sleep00-21swapper/011:36:280
1928994015,17cyclictest73-21kswapd008:12:081
1928994015,17cyclictest73-21kswapd008:12:081
76222390,3sleep17621-21tail07:27:201
1928993923,8cyclictest11358-21find10:47:211
1928993923,8cyclictest11358-21find10:47:211
1928993921,6cyclictest73-21kswapd009:02:191
1928993921,6cyclictest73-21kswapd009:02:191
261972380,4sleep30-21swapper/309:57:023
253282380,3sleep30-21swapper/311:35:343
253282380,3sleep30-21swapper/311:35:343
79572370,2sleep20-21swapper/211:17:132
79572370,2sleep20-21swapper/211:17:132
79572370,2sleep20-21swapper/211:17:132
54902370,3sleep20-21swapper/211:47:312
54902370,3sleep20-21swapper/211:47:312
55352360,1sleep113935-21diskmemload12:21:361
55352360,1sleep113935-21diskmemload12:21:361
192799361,28cyclictest7236-21sh12:22:200
192799361,28cyclictest7236-21sh12:22:200
175132360,2sleep20-21swapper/210:21:072
175132360,2sleep20-21swapper/210:21:072
175132360,2sleep20-21swapper/210:21:072
88982350,2sleep30-21swapper/310:12:153
88982350,2sleep30-21swapper/310:12:153
1927993517,6cyclictest15038-21find07:47:210
1927993517,6cyclictest15038-21find07:47:210
163802350,3sleep30-21swapper/311:26:303
163802350,3sleep30-21swapper/311:26:303
163802350,3sleep30-21swapper/311:26:303
162832350,3sleep20-21swapper/210:52:332
162832350,3sleep20-21swapper/210:52:332
130952350,3sleep00-21swapper/007:42:180
130952350,3sleep00-21swapper/007:42:180
130952350,3sleep00-21swapper/007:42:180
70262340,2sleep012-21ksoftirqd/010:42:220
70262340,2sleep012-21ksoftirqd/010:42:220
70262340,2sleep012-21ksoftirqd/010:42:220
68152340,2chrt0-21swapper/310:42:213
68152340,2chrt0-21swapper/310:42:213
68152340,2chrt0-21swapper/310:42:213
192799342,26cyclictest3539-21find07:17:190
192799342,26cyclictest3539-21find07:17:190
44342330,3sleep10-21swapper/111:47:101
44342330,3sleep10-21swapper/111:47:101
306642330,3sleep11926-21cyclictest11:40:431
306642330,3sleep11926-21cyclictest11:40:431
306642330,3sleep11926-21cyclictest11:40:431
26502330,10sleep333-21ksoftirqd/309:32:193
26502330,10sleep333-21ksoftirqd/309:32:193
206712330,3sleep00-21swapper/012:02:520
206712330,3sleep00-21swapper/012:02:520
116442330,4sleep30-21swapper/310:47:243
116442330,4sleep30-21swapper/310:47:243
315612320,3sleep00-21swapper/008:32:100
315612320,3sleep00-21swapper/008:32:100
251862320,2sleep20-21swapper/211:02:012
251862320,2sleep20-21swapper/211:02:012
1928993214,10cyclictest73-21kswapd007:17:191
1928993214,10cyclictest73-21kswapd007:17:191
165402320,3sleep30-21swapper/310:52:543
165402320,3sleep30-21swapper/310:52:543
240902310,3sleep20-21swapper/212:07:122
240902310,3sleep20-21swapper/212:07:122
218662310,2sleep30-21swapper/310:25:333
218662310,2sleep30-21swapper/310:25:333
218662310,2sleep30-21swapper/310:25:333
15952313,18sleep21597-21find07:12:222
288692300,3sleep00-21swapper/010:32:210
288692300,3sleep00-21swapper/010:32:210
275262300,3chrt0-21swapper/011:37:160
275262300,3chrt0-21swapper/011:37:160
275262300,3chrt0-21swapper/011:37:160
261772300,4chrt0-21swapper/209:57:012
192999308,9cyclictest27-21ksoftirqd/207:42:192
192999308,9cyclictest27-21ksoftirqd/207:42:192
192999308,9cyclictest27-21ksoftirqd/207:42:192
192999307,8cyclictest27-21ksoftirqd/208:52:182
192999307,8cyclictest27-21ksoftirqd/208:52:182
1927993020,7cyclictest9636-21find11:52:200
1927993020,7cyclictest9636-21find11:52:200
153482300,2sleep20-21swapper/211:57:402
153482300,2sleep20-21swapper/211:57:402
43122290,2sleep14323-21ssh11:13:351
43122290,2sleep14323-21ssh11:13:351
233842290,2sleep223413-21sed12:07:052
233842290,2sleep223413-21sed12:07:052
192999299,4cyclictest131rcu_preempt08:07:202
192999299,4cyclictest131rcu_preempt08:07:202
1929992917,9cyclictest27-21ksoftirqd/212:22:212
1929992917,9cyclictest27-21ksoftirqd/212:22:212
278872280,24sleep127901-21ssh11:04:141
278872280,24sleep127901-21ssh11:04:141
278872280,24sleep127901-21ssh11:04:141
192999285,8cyclictest27-21ksoftirqd/208:32:202
192999285,8cyclictest27-21ksoftirqd/208:32:202
192999285,5cyclictest27-21ksoftirqd/211:52:192
192999285,5cyclictest27-21ksoftirqd/211:52:192
194812270,2sleep119493-21ssh10:56:391
194812270,2sleep119493-21ssh10:56:391
193099275,14cyclictest0-21swapper/309:12:203
193099275,14cyclictest0-21swapper/309:12:203
1929992723,2cyclictest271ksoftirqd/208:48:022
1929992723,2cyclictest271ksoftirqd/208:48:022
128562270,3sleep20-21swapper/209:42:142
128562270,3sleep20-21swapper/209:42:142
1930992613,8cyclictest0-21swapper/311:52:203
1930992613,8cyclictest0-21swapper/311:52:203
192999269,7cyclictest27-21ksoftirqd/207:22:112
192999269,7cyclictest27-21ksoftirqd/207:22:112
192999269,7cyclictest27-21ksoftirqd/207:22:112
192999268,10cyclictest27-21ksoftirqd/210:46:022
192999268,10cyclictest27-21ksoftirqd/210:46:022
192999268,10cyclictest27-21ksoftirqd/210:46:022
192999264,12cyclictest27-21ksoftirqd/212:20:392
192999264,12cyclictest27-21ksoftirqd/212:20:392
1929992610,7cyclictest27-21ksoftirqd/207:52:172
1929992610,7cyclictest27-21ksoftirqd/207:52:172
169662260,3sleep30-21swapper/307:52:183
169662260,3sleep30-21swapper/307:52:183
14902260,3sleep20-21swapper/210:03:542
14902260,3sleep20-21swapper/210:03:542
68062250,2sleep30-21swapper/310:10:063
1930992512,8cyclictest0-21swapper/309:02:193
1930992512,8cyclictest0-21swapper/309:02:193
192999259,9cyclictest27-21ksoftirqd/210:01:002
192999259,9cyclictest27-21ksoftirqd/210:01:002
192999259,9cyclictest27-21ksoftirqd/210:01:002
192999259,7cyclictest27-21ksoftirqd/209:12:412
192999259,7cyclictest27-21ksoftirqd/209:12:412
192999258,3cyclictest141rcub/008:27:202
192999258,10cyclictest27-21ksoftirqd/212:27:552
192999258,10cyclictest27-21ksoftirqd/212:27:552
192999258,10cyclictest27-21ksoftirqd/210:37:492
192999258,10cyclictest27-21ksoftirqd/210:37:492
1929992516,7cyclictest261rcuc/209:22:192
1929992516,7cyclictest261rcuc/209:22:192
1929992516,7cyclictest261rcuc/209:22:192
1929992512,5cyclictest27-21ksoftirqd/211:10:472
1929992512,5cyclictest27-21ksoftirqd/211:10:472
1929992511,4cyclictest261rcuc/210:12:192
1929992511,4cyclictest261rcuc/210:12:192
192899257,5cyclictest73-21kswapd007:22:191
192899257,5cyclictest73-21kswapd007:22:191
192899257,5cyclictest73-21kswapd007:22:191
192799253,3cyclictest131rcu_preempt08:27:200
1927992512,9cyclictest38650irq/55-eth010:02:190
1927992512,9cyclictest38650irq/55-eth010:02:190
169642250,2chrt0-21swapper/311:59:463
169642250,2chrt0-21swapper/311:59:463
288952240,4sleep30-21swapper/308:24:093
288952240,4sleep30-21swapper/308:24:093
1930992416,4cyclictest0-21swapper/307:22:203
1930992416,4cyclictest0-21swapper/307:22:203
1930992416,4cyclictest0-21swapper/307:22:203
192999249,8cyclictest27-21ksoftirqd/211:37:422
192999249,8cyclictest27-21ksoftirqd/211:37:422
192999249,8cyclictest27-21ksoftirqd/211:37:422
192999248,10cyclictest27-21ksoftirqd/211:30:502
192999248,10cyclictest27-21ksoftirqd/211:30:502
192999244,13cyclictest27-21ksoftirqd/207:33:142
192999244,13cyclictest27-21ksoftirqd/207:33:142
1929992418,5cyclictest261rcuc/209:07:202
1929992410,7cyclictest27-21ksoftirqd/208:20:402
1929992410,7cyclictest27-21ksoftirqd/208:20:402
1929992410,5cyclictest27-21ksoftirqd/211:12:512
1929992410,5cyclictest27-21ksoftirqd/211:12:512
192899246,3cyclictest75161find08:52:181
192899246,3cyclictest75161find08:52:181
192899242,3cyclictest131rcu_preempt09:07:201
1928992410,12cyclictest73-21kswapd010:02:091
1928992410,12cyclictest73-21kswapd010:02:091
192799243,11cyclictest6872-21acpi09:37:070
192799243,11cyclictest6872-21acpi09:37:070
192799242,4cyclictest12-21ksoftirqd/012:32:180
192799242,4cyclictest12-21ksoftirqd/012:32:180
1927992420,2cyclictest0-21swapper/007:32:120
1927992420,2cyclictest0-21swapper/007:32:120
1927992410,9cyclictest38650irq/55-eth009:32:200
1927992410,9cyclictest38650irq/55-eth009:32:200
89962230,3sleep30-21swapper/308:57:133
89962230,3sleep30-21swapper/308:57:133
32022230,3sleep30-21swapper/311:46:113
32022230,3sleep30-21swapper/311:46:113
32022230,3sleep30-21swapper/311:46:113
273322230,2sleep10-21swapper/112:11:211
273322230,2sleep10-21swapper/112:11:211
253842230,2sleep10-21swapper/110:29:011
253842230,2sleep10-21swapper/110:29:011
220202230,3sleep00-21swapper/010:58:060
220202230,3sleep00-21swapper/010:58:060
192999239,8cyclictest27-21ksoftirqd/210:27:192
192999239,8cyclictest27-21ksoftirqd/210:27:192
192999239,8cyclictest27-21ksoftirqd/208:46:572
192999239,8cyclictest27-21ksoftirqd/208:46:572
192999239,4cyclictest27-21ksoftirqd/211:46:542
192999239,4cyclictest27-21ksoftirqd/211:46:542
192999239,4cyclictest27-21ksoftirqd/211:46:542
192999238,9cyclictest27-21ksoftirqd/212:15:422
192999237,4cyclictest27-21ksoftirqd/210:33:012
192999237,4cyclictest27-21ksoftirqd/210:33:012
192999237,4cyclictest131rcu_preempt11:34:512
192999237,4cyclictest131rcu_preempt11:34:512
192999237,4cyclictest131rcu_preempt08:57:202
192999237,4cyclictest131rcu_preempt08:57:202
1929992317,4cyclictest27-21ksoftirqd/209:32:202
1929992317,4cyclictest27-21ksoftirqd/209:32:202
1929992310,4cyclictest27-21ksoftirqd/210:48:202
1929992310,4cyclictest27-21ksoftirqd/210:48:202
1928992316,5cyclictest8299-21grep11:17:181
1928992316,5cyclictest8299-21grep11:17:181
1928992316,5cyclictest8299-21grep11:17:181
192899231,19cyclictest18792-21cut10:22:081
192899231,19cyclictest18792-21cut10:22:081
192899231,19cyclictest18792-21cut10:22:081
1927992314,7cyclictest38650irq/55-eth008:37:080
1927992314,7cyclictest38650irq/55-eth008:37:080
1927992312,9cyclictest28850irq/49-vc409:14:540
1927992312,9cyclictest28850irq/49-vc409:14:540
192799231,10cyclictest22345-21needreboot08:07:140
192799231,10cyclictest22345-21needreboot08:07:140
185422230,3sleep10-21swapper/112:01:491
185422230,3sleep10-21swapper/112:01:491
26032220,3chrt0-21swapper/310:38:313
26032220,3chrt0-21swapper/310:38:313
1930992216,4cyclictest0-21swapper/309:57:203
1930992216,4cyclictest0-21swapper/309:57:203
1930992216,4cyclictest0-21swapper/309:57:203
1930992216,4cyclictest0-21swapper/307:57:213
1930992216,4cyclictest0-21swapper/307:57:213
192999229,6cyclictest27-21ksoftirqd/209:27:252
192999229,6cyclictest27-21ksoftirqd/209:27:252
192999228,7cyclictest27-21ksoftirqd/211:05:582
192999228,7cyclictest27-21ksoftirqd/211:05:582
192999228,7cyclictest27-21ksoftirqd/211:05:582
192999221,20cyclictest24695-21ls08:12:202
192999221,20cyclictest24695-21ls08:12:202
192999221,19cyclictest21116-21runrttasks12:37:122
192999221,19cyclictest21116-21runrttasks12:37:122
192999220,8cyclictest27-21ksoftirqd/210:11:112
192999220,8cyclictest27-21ksoftirqd/210:11:112
192999220,8cyclictest27-21ksoftirqd/210:11:112
192899222,4cyclictest131rcu_preempt09:32:201
192899222,4cyclictest131rcu_preempt09:32:201
1928992216,4cyclictest201rcuc/110:42:211
1928992216,4cyclictest201rcuc/110:42:211
1928992216,4cyclictest201rcuc/110:42:211
192899221,3cyclictest131rcu_preempt08:32:201
192899221,3cyclictest131rcu_preempt08:32:201
192899221,17cyclictest15558-21grep12:32:081
192899221,17cyclictest15558-21grep12:32:081
1927992213,6cyclictest0-21swapper/008:15:060
1927992213,6cyclictest0-21swapper/008:15:060
192799221,19cyclictest695-21runrttasks11:25:570
192799221,19cyclictest695-21runrttasks11:25:570
192799221,19cyclictest695-21runrttasks11:25:570
192799221,19cyclictest14570-21sh09:12:100
192799221,19cyclictest14570-21sh09:12:100
185472220,2sleep30-21swapper/309:48:143
185472220,2sleep30-21swapper/309:48:143
315182210,2sleep00-21swapper/011:07:500
315182210,2sleep00-21swapper/011:07:500
220712210,3chrt0-21swapper/109:18:371
220712210,3chrt0-21swapper/109:18:371
1930992115,4cyclictest0-21swapper/312:37:193
1930992115,4cyclictest0-21swapper/312:37:193
1930992114,4cyclictest0-21swapper/312:22:193
1930992114,4cyclictest0-21swapper/312:22:193
1930992114,4cyclictest0-21swapper/311:07:203
1930992114,4cyclictest0-21swapper/311:07:203
1930992114,4cyclictest0-21swapper/307:32:183
1930992114,4cyclictest0-21swapper/307:32:183
1930992113,6cyclictest0-21swapper/308:37:193
1930992113,6cyclictest0-21swapper/308:37:193
193099211,15cyclictest0-21swapper/308:07:083
1929992113,6cyclictest0-21swapper/207:47:162
1929992113,6cyclictest0-21swapper/207:47:162
192899211,4cyclictest0-21swapper/109:56:011
1928992113,6cyclictest29774-21ssh09:59:571
1928992113,6cyclictest29774-21ssh09:59:571
1928992113,6cyclictest29774-21ssh09:59:571
192899211,15cyclictest972-21cut08:37:081
192899211,15cyclictest972-21cut08:37:081
192899211,14cyclictest4381-21latency_hist08:46:561
192899211,14cyclictest4381-21latency_hist08:46:561
1927992114,5cyclictest31786-21ssh09:28:490
1927992114,5cyclictest31786-21ssh09:28:490
1927992114,5cyclictest25508-21forks11:02:110
1927992114,5cyclictest25508-21forks11:02:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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