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2026-03-30 - 22:33
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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 Mon Mar 30, 2026 12:05:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27942995621730,562171cyclictest48-21kcompactd006:12:570
27942995621730,562171cyclictest48-21kcompactd006:12:570
25270214710,4sleep3321rcuc/305:26:543
31154210110,15sleep1131rcu_preempt04:49:231
31154210110,15sleep1131rcu_preempt04:49:231
1644628900,18sleep121-21ksoftirqd/107:47:581
1644628900,18sleep121-21ksoftirqd/107:47:581
3019828580,14sleep3131rcu_preempt11:11:373
1071728240,5sleep012-21ksoftirqd/010:02:230
1071728240,5sleep012-21ksoftirqd/010:02:230
2681128020,15sleep333-21ksoftirqd/314:31:153
2681128020,15sleep333-21ksoftirqd/314:31:153
783227460,6sleep333-21ksoftirqd/315:08:003
783227460,6sleep333-21ksoftirqd/315:08:003
3254526620,5sleep1201rcuc/101:47:431
2844626470,18sleep121-21ksoftirqd/117:51:121
2656826170,10sleep30-21swapper/314:12:473
2324526070,12sleep0131rcu_preempt12:08:530
2324526070,12sleep0131rcu_preempt12:08:530
2102225970,5sleep20-21swapper/210:38:442
309025790,4sleep121-21ksoftirqd/113:41:131
1066825760,6sleep333-21ksoftirqd/302:04:103
1066825760,6sleep333-21ksoftirqd/302:04:103
1362125670,16sleep3131rcu_preempt10:13:083
2163025600,2sleep2261rcuc/219:42:272
2163025600,2sleep2261rcuc/219:42:272
1636425600,6sleep1201rcuc/117:52:231
1636425600,6sleep1201rcuc/117:52:231
2641225510,8sleep20-21swapper/217:48:062
2641225510,8sleep20-21swapper/217:48:062
1022525500,8sleep00-21swapper/013:56:180
1022525500,8sleep00-21swapper/013:56:180
2600325450,11sleep2131rcu_preempt03:02:072
2600325450,11sleep2131rcu_preempt03:02:072
216625410,4sleep10-21swapper/103:22:381
216625410,4sleep10-21swapper/103:22:381
887325380,17sleep333-21ksoftirqd/309:55:113
887325380,17sleep333-21ksoftirqd/309:55:113
838625350,7sleep10-21swapper/114:56:421
838625350,7sleep10-21swapper/114:56:421
1563825300,7sleep10-21swapper/113:41:401
38625250,9sleep20-21swapper/202:22:362
2933225250,14sleep1201rcuc/104:54:011
2933225250,14sleep1201rcuc/104:54:011
2511325230,9sleep224450-21/usr/sbin/munin14:23:092
1327325230,6sleep20-21swapper/214:07:212
1327325230,6sleep20-21swapper/214:07:212
2003525170,8sleep10-21swapper/114:17:441
2003525170,8sleep10-21swapper/114:17:441
982425150,14sleep227-21ksoftirqd/209:59:232
982425150,14sleep227-21ksoftirqd/209:59:232
2760125120,3sleep3131rcu_preempt02:47:333
2956025070,8sleep30-21swapper/314:12:283
2956025070,8sleep30-21swapper/314:12:283
1083725050,7sleep20-21swapper/213:58:592
1083725050,7sleep20-21swapper/213:58:592
1842724960,6sleep00-21swapper/011:58:310
3074624940,7sleep10-21swapper/111:14:011
1518724940,4sleep10-21swapper/114:07:181
175824930,7sleep20-21swapper/215:07:292
3104024890,5sleep30-21swapper/316:42:503
3104024890,5sleep30-21swapper/316:42:503
1130424880,5sleep2261rcuc/202:16:502
1130424880,5sleep2261rcuc/202:16:502
296824850,7sleep00-21swapper/011:25:270
522524830,15sleep1131rcu_preempt14:17:511
522524830,15sleep1131rcu_preempt14:17:511
383024810,9sleep00-21swapper/015:07:260
383024810,9sleep00-21swapper/015:07:260
2758324750,8sleep10-21swapper/116:57:101
2758324750,8sleep10-21swapper/116:57:101
647024710,7sleep121-21ksoftirqd/111:34:041
647024710,7sleep121-21ksoftirqd/111:34:041
785324700,18sleep30-21swapper/317:51:373
876224690,4sleep3321rcuc/314:32:083
290924660,6sleep10-21swapper/113:57:591
290924660,6sleep10-21swapper/113:57:591
2733324640,8sleep10-21swapper/114:27:171
2733324640,8sleep10-21swapper/114:27:171
204524610,2sleep10-21swapper/102:56:431
3129324600,7sleep30-21swapper/320:01:313
3129324600,7sleep30-21swapper/320:01:313
1224124600,9sleep20-21swapper/210:08:062
2477924560,8sleep20-21swapper/207:47:442
2477924560,8sleep20-21swapper/207:47:442
134324560,4sleep30-21swapper/314:45:413
134324560,4sleep30-21swapper/314:45:413
2236024540,4sleep30-21swapper/314:26:183
2236024540,4sleep30-21swapper/314:26:183
2672424530,11sleep30-21swapper/317:37:323
2672424530,11sleep30-21swapper/317:37:323
1821224530,22sleep012-21ksoftirqd/010:28:240
1698124520,7sleep00-21swapper/010:23:550
1698124520,7sleep00-21swapper/010:23:550
1245824520,7sleep30-21swapper/310:09:043
2499224480,5sleep0151rcuc/010:53:120
2499224480,5sleep0151rcuc/010:53:120
778424450,4sleep00-21swapper/001:57:140
778424450,4sleep00-21swapper/001:57:140
1160824450,5sleep3321rcuc/301:46:473
1160824450,5sleep3321rcuc/301:46:473
1328224400,14sleep3131rcu_preempt02:46:433
1328224400,14sleep3131rcu_preempt02:46:433
608124390,12sleep20-21swapper/209:44:522
608124390,12sleep20-21swapper/209:44:522
2717324390,6sleep10-21swapper/114:32:501
2717324390,6sleep10-21swapper/114:32:501
3200424380,3sleep0151rcuc/013:40:300
3200424380,3sleep0151rcuc/013:40:300
2859924380,17sleep227-21ksoftirqd/203:06:482
2859924380,17sleep227-21ksoftirqd/203:06:482
1301624360,19sleep333-21ksoftirqd/305:11:433
665424350,4sleep30-21swapper/302:37:553
665424350,4sleep30-21swapper/302:37:553
1187724350,4sleep20-21swapper/204:44:012
1187724350,4sleep20-21swapper/204:44:012
1187724350,4sleep20-21swapper/204:44:012
1187724350,4sleep20-21swapper/204:44:012
2090024320,7sleep10-21swapper/102:26:491
1131324300,19sleep227-21ksoftirqd/214:00:082
1081824300,6sleep10-21swapper/113:58:541
1081824300,6sleep10-21swapper/113:58:541
2689624290,9sleep30-21swapper/305:12:373
2295524290,5sleep10-21swapper/115:12:071
2295524290,5sleep10-21swapper/115:12:071
814824280,5sleep30-21swapper/305:31:583
814824280,5sleep30-21swapper/305:31:583
509124280,4sleep30-21swapper/305:42:243
2791924280,10sleep20-21swapper/214:35:092
1507724280,9sleep00-21swapper/014:06:480
1359724240,5sleep10-21swapper/111:48:101
1104324240,8sleep012-21ksoftirqd/001:57:390
1104324240,8sleep012-21ksoftirqd/001:57:390
2679124230,5sleep10-21swapper/114:33:481
2679124230,5sleep10-21swapper/114:33:481
1354524230,5sleep00-21swapper/011:47:570
1885324220,5sleep30-21swapper/315:07:503
2779224210,5sleep112318-21kworker/1:112:17:301
407324190,4sleep10-21swapper/113:31:251
3191824190,10sleep10-21swapper/112:51:211
3191824190,10sleep10-21swapper/112:51:211
3191824190,10sleep10-21swapper/112:51:211
2753424140,17sleep2271ksoftirqd/212:16:222
2932124110,8sleep10-21swapper/117:57:591
2932124110,8sleep10-21swapper/117:57:591
2130024110,7sleep20-21swapper/216:37:292
2130024110,7sleep20-21swapper/216:37:292
2130024110,7sleep20-21swapper/216:37:292
3263624100,10sleep3131rcu_preempt15:11:553
525224070,8sleep121-21ksoftirqd/116:37:201
525224070,8sleep121-21ksoftirqd/116:37:201
184424070,7sleep20-21swapper/217:46:262
2104124060,25chrt27-21ksoftirqd/201:47:342
2104124060,25chrt27-21ksoftirqd/201:47:342
1434424060,5sleep227-21ksoftirqd/216:36:582
1434424060,5sleep227-21ksoftirqd/216:36:582
2208424040,12sleep20-21swapper/210:42:282
2208424040,12sleep20-21swapper/210:42:282
2088624040,10sleep30-21swapper/313:42:213
731924030,12sleep1131rcu_preempt08:02:361
731924030,12sleep1131rcu_preempt08:02:361
3090324030,11sleep10-21swapper/114:27:441
3090324030,11sleep10-21swapper/114:27:441
2226524030,5sleep121657-21kworker/1:314:22:551
2226524030,5sleep121657-21kworker/1:314:22:551
2085924030,19sleep0121ksoftirqd/010:38:010
1918324010,19sleep121-21ksoftirqd/102:37:071
1918324010,19sleep121-21ksoftirqd/102:37:071
619724000,4sleep333-21ksoftirqd/311:32:533
619724000,4sleep333-21ksoftirqd/311:32:533
2538124000,4sleep3321rcuc/302:02:253
2538124000,4sleep3321rcuc/302:02:253
143424000,11sleep00-21swapper/011:23:130
143424000,11sleep00-21swapper/011:23:130
2498323990,19sleep121-21ksoftirqd/112:10:321
840323980,5sleep00-21swapper/011:36:420
371423980,9sleep30-21swapper/313:43:583
2096323980,5sleep00-21swapper/014:57:540
2096323980,5sleep00-21swapper/014:57:540
2729423960,10sleep00-21swapper/014:33:220
2729423960,10sleep00-21swapper/014:33:220
259123960,4sleep20-21swapper/217:41:312
980723940,32sleep20-21swapper/215:23:052
2363223940,5sleep10-21swapper/114:03:091
2363223940,5sleep10-21swapper/114:03:091
244523930,7sleep10-21swapper/114:37:451
244523930,7sleep10-21swapper/114:37:451
1976823910,8sleep0151rcuc/014:16:340
1976823910,8sleep0151rcuc/014:16:340
1670323900,10sleep0151rcuc/014:12:050
1670323900,10sleep0151rcuc/014:12:050
1900523890,5sleep20-21swapper/217:27:022
1900523890,5sleep20-21swapper/217:27:022
607423880,8sleep00-21swapper/009:44:500
607423880,8sleep00-21swapper/009:44:500
3119323880,3sleep10-21swapper/114:16:371
2124023880,16sleep121-21ksoftirqd/117:18:041
2124023880,16sleep121-21ksoftirqd/117:18:041
3057123870,11sleep00-21swapper/011:13:150
1845223870,8sleep0151rcuc/016:47:130
1845223870,8sleep0151rcuc/016:47:130
2680723860,10sleep10-21swapper/105:43:071
2856223850,10sleep00-21swapper/013:26:550
1527523850,8sleep10-21swapper/116:42:501
1527523850,8sleep10-21swapper/116:42:501
2133523830,10sleep10-21swapper/112:04:581
2133523830,10sleep10-21swapper/112:04:581
1727223830,5sleep20-21swapper/214:10:582
1727223830,5sleep20-21swapper/214:10:582
1984023820,3sleep20-21swapper/214:46:282
1984023820,3sleep20-21swapper/214:46:282
1254223820,14sleep333-21ksoftirqd/302:17:023
1254223820,14sleep333-21ksoftirqd/302:17:023
607823810,10sleep10-21swapper/109:44:511
607823810,10sleep10-21swapper/109:44:511
2884023810,11sleep30-21swapper/313:28:073
2775423810,9sleep00-21swapper/011:03:260
2775423810,9sleep00-21swapper/011:03:260
2577823810,9sleep00-21swapper/010:55:420
2577823810,9sleep00-21swapper/010:55:420
176823810,10sleep20-21swapper/215:12:442
1352423810,10sleep30-21swapper/311:47:523
654823790,7sleep1211ksoftirqd/113:49:571
654823790,7sleep1211ksoftirqd/113:49:571
51523790,4sleep00-21swapper/008:02:260
51523790,4sleep00-21swapper/008:02:260
1389423790,9sleep20-21swapper/210:14:202
1121023790,7sleep00-21swapper/011:43:360
1121023790,7sleep00-21swapper/011:43:360
596223780,9sleep20-21swapper/211:31:512
596223780,9sleep20-21swapper/211:31:512
1070023780,4sleep3331ksoftirqd/313:58:233
1070023780,4sleep3331ksoftirqd/313:58:233
2488123770,5sleep10-21swapper/110:51:371
2488123770,5sleep10-21swapper/110:51:371
1523023770,9sleep3372-21in:imuxsock05:51:443
1523023770,9sleep3372-21in:imuxsock05:51:443
356923760,4sleep23566-21latency_hist02:32:212
356923760,4sleep23566-21latency_hist02:32:212
1247923750,11sleep00-21swapper/010:09:090
160323740,5sleep10-21swapper/111:23:381
160323740,5sleep10-21swapper/111:23:381
939323730,5sleep30-21swapper/311:40:043
939323730,5sleep30-21swapper/311:40:043
2283423730,4sleep20-21swapper/219:52:292
2283423730,4sleep20-21swapper/219:52:292
2728923720,4sleep10-21swapper/107:47:211
2713223720,8sleep20-21swapper/214:32:392
2713223720,8sleep20-21swapper/214:32:392
2494323720,11sleep30-21swapper/317:47:493
2494323720,11sleep30-21swapper/317:47:493
2494323720,11sleep30-21swapper/317:47:493
2086123700,10sleep20-21swapper/212:03:502
2543423690,4sleep30-21swapper/312:12:313
2211423690,5sleep333-21ksoftirqd/305:02:163
60023680,7sleep20-21swapper/217:07:582
60023680,7sleep20-21swapper/217:07:582
2653123680,19sleep333-21ksoftirqd/319:51:203
2653123680,19sleep333-21ksoftirqd/319:51:203
1952623680,12sleep20-21swapper/210:33:062
1801823680,6sleep3321rcuc/303:13:103
1801823680,6sleep3321rcuc/303:13:103
3143023670,7sleep20-21swapper/211:16:042
3143023670,7sleep20-21swapper/211:16:042
3023323660,4sleep30-21swapper/302:17:373
3023323660,4sleep30-21swapper/302:17:373
2414223660,10sleep10-21swapper/105:22:051
2173823660,5sleep30-21swapper/315:07:313
1151423660,5sleep20-21swapper/217:47:062
1151423660,5sleep20-21swapper/217:47:062
1062223660,5sleep30-21swapper/314:11:413
1062223660,5sleep30-21swapper/314:11:413
314123650,7sleep00-21swapper/014:22:490
314123650,7sleep00-21swapper/014:22:490
2921423650,5sleep10-21swapper/101:52:101
2921423650,5sleep10-21swapper/101:52:101
3077123640,7sleep20-21swapper/213:31:082
3077123640,7sleep20-21swapper/213:31:082
1037323640,5sleep210291-21kworker/2:017:22:162
1037323640,5sleep210291-21kworker/2:017:22:162
983123630,10sleep30-21swapper/302:37:393
983123630,10sleep30-21swapper/302:37:393
2803723630,6sleep00-21swapper/012:18:340
2651223630,5sleep20-21swapper/214:12:462
2234523630,5sleep20-21swapper/215:17:502
2234523630,5sleep20-21swapper/215:17:502
1069223630,9sleep30-21swapper/320:01:233
972823620,8sleep121-21ksoftirqd/102:17:061
972823620,8sleep121-21ksoftirqd/102:17:061
2479023620,7sleep00-21swapper/003:16:550
2479023620,7sleep00-21swapper/003:16:550
2348023620,4sleep0151rcuc/010:47:390
2348023620,4sleep0151rcuc/010:47:390
1315823620,5sleep10-21swapper/101:51:411
1315823620,5sleep10-21swapper/101:51:411
594023610,7sleep10-21swapper/113:48:201
2212723610,8sleep10-21swapper/114:21:311
2212723610,8sleep10-21swapper/114:21:311
338123600,10sleep10-21swapper/107:41:481
338123600,10sleep10-21swapper/107:41:481
2428023590,7sleep30-21swapper/301:46:383
1620623590,9sleep10-21swapper/115:19:551
1620623590,9sleep10-21swapper/115:19:551
223223580,8sleep10-21swapper/114:49:341
223223580,8sleep10-21swapper/114:49:341
1037323580,11sleep20-21swapper/202:37:462
1037323580,11sleep20-21swapper/202:37:462
3204723570,9sleep20-21swapper/214:43:292
1605623570,5sleep00-21swapper/014:10:030
1605623570,5sleep00-21swapper/014:10:030
1108223570,6sleep011083-21latencyplot13:40:180
1108223570,6sleep011083-21latencyplot13:40:180
1780823560,8sleep10-21swapper/114:13:201
1780823560,8sleep10-21swapper/114:13:201
830723550,15sleep333-21ksoftirqd/309:53:373
830723550,15sleep333-21ksoftirqd/309:53:373
374123550,7sleep00-21swapper/014:50:420
1124423540,9sleep00-21swapper/013:59:500
339023530,7sleep30-21swapper/311:26:073
3024923530,11sleep10-21swapper/114:40:011
2064623530,8sleep10-21swapper/104:52:391
2064623530,8sleep10-21swapper/104:52:391
1567023530,3sleep20-21swapper/205:56:542
1567023530,3sleep20-21swapper/205:56:542
1317823530,8sleep00-21swapper/010:11:110
3127923520,10sleep10-21swapper/104:57:031
3127923520,10sleep10-21swapper/104:57:031
2349923520,5sleep10-21swapper/103:12:031
2579723510,4sleep012-21ksoftirqd/012:14:060
2498623510,5sleep20-21swapper/212:10:332
2011423510,5sleep30-21swapper/302:56:553
2011423510,5sleep30-21swapper/302:56:553
148623510,8sleep10-21swapper/102:06:441
148623510,8sleep10-21swapper/102:06:441
1835423500,11sleep30-21swapper/314:31:373
2024023490,5sleep20-21swapper/216:46:272
2024023490,5sleep20-21swapper/216:46:272
495323470,19sleep121-21ksoftirqd/105:03:171
495323470,19sleep121-21ksoftirqd/105:03:171
2032223470,9sleep012-21ksoftirqd/016:37:030
2032223470,9sleep012-21ksoftirqd/016:37:030
199623470,6sleep00-21swapper/014:48:320
199623470,6sleep00-21swapper/014:48:320
122423470,11sleep30-21swapper/311:22:233
122423470,11sleep30-21swapper/311:22:233
3272223460,3sleep2261rcuc/205:27:502
3272223460,3sleep2261rcuc/205:27:502
2997223460,11sleep20-21swapper/215:01:392
2997223460,11sleep20-21swapper/215:01:392
2280323450,9sleep30-21swapper/312:06:583
2280323450,9sleep30-21swapper/312:06:583
2882423440,7sleep00-21swapper/011:07:090
1777323440,4sleep30-21swapper/314:22:113
1777323440,4sleep30-21swapper/314:22:113
66623430,7sleep10-21swapper/113:36:001
66623430,7sleep10-21swapper/113:36:001
2654023430,4sleep126538-21cut01:40:351
2654023430,4sleep126538-21cut01:40:351
2528623430,5sleep20-21swapper/214:57:292
2528623430,5sleep20-21swapper/214:57:292
920223410,8sleep00-21swapper/009:56:380
920223410,8sleep00-21swapper/009:56:380
2198223410,5chrt0-21swapper/214:01:322
2198223410,5chrt0-21swapper/214:01:322
627923400,5sleep35957-21/usr/sbin/munin04:47:503
627923400,5sleep35957-21/usr/sbin/munin04:47:503
627923400,5sleep35957-21/usr/sbin/munin04:47:503
627923400,5sleep35957-21/usr/sbin/munin04:47:503
1342823400,9sleep20-21swapper/211:47:262
699723390,4sleep00-21swapper/008:02:250
822623380,8sleep30-21swapper/313:52:543
822623380,8sleep30-21swapper/313:52:543
2766123380,4sleep30-21swapper/312:16:563
717723370,8sleep10-21swapper/104:57:171
717723370,8sleep10-21swapper/104:57:171
2172323370,9sleep00-21swapper/010:40:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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