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2026-08-07 - 05:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack7slot1.osadl.org (updated Fri Aug 07, 2026 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20895212055,58sleep30-21swapper/319:05:013
23009211858,20sleep20-21swapper/219:09:102
22812211653,24sleep00-21swapper/019:06:510
2253521160,1sleep012333-21stress23:59:480
23061211352,56sleep10-21swapper/119:09:491
23190994921,25cyclictest0-21swapper/200:01:282
23190994920,27cyclictest0-21swapper/222:15:302
23190994918,28cyclictest0-21swapper/221:53:482
23190994821,25cyclictest0-21swapper/200:27:262
23190994519,24cyclictest0-21swapper/221:39:492
23190994519,24cyclictest0-21swapper/221:39:482
23190994519,24cyclictest0-21swapper/200:30:082
2319099442,26cyclictest12333-21stress21:30:322
23190994416,25cyclictest0-21swapper/221:55:252
23190994416,25cyclictest0-21swapper/221:40:122
2319099435,35cyclictest12335-21stress00:10:542
2319099433,24cyclictest12335-21stress23:18:442
2319099426,33cyclictest0-21swapper/222:40:012
2319099423,36cyclictest12335-21stress23:40:352
2319099422,29cyclictest12334-21stress00:19:252
23190994221,19cyclictest0-21swapper/222:05:272
23190994218,21cyclictest0-21swapper/223:30:252
24842410,1sleep012335-21stress23:12:420
2319099413,35cyclictest12335-21stress22:34:382
25952400,1sleep212333-21stress23:14:092
2319099403,35cyclictest12333-21stress22:45:202
2319099402,35cyclictest12335-21stress22:00:352
23190994021,17cyclictest0-21swapper/222:54:352
23190994021,17cyclictest0-21swapper/222:28:222
23190994019,19cyclictest0-21swapper/222:10:182
23190994017,20cyclictest0-21swapper/223:50:262
23181994014,23cyclictest0-21swapper/122:20:531
23195993916,20cyclictest0-21swapper/323:49:213
2319099396,29cyclictest12333-21stress23:01:422
23190993920,17cyclictest0-21swapper/221:15:542
23190993918,18cyclictest0-21swapper/223:28:442
23177993917,19cyclictest0-21swapper/023:31:030
23177993910,26cyclictest0-21swapper/022:21:580
10772390,1sleep112333-21stress00:23:451
2319099383,33cyclictest12333-21stress22:41:292
2319099383,33cyclictest12333-21stress22:41:292
2319099383,32cyclictest6790-21awk23:20:372
2319099383,32cyclictest605-21/usr/sbin/munin19:30:232
2319099383,32cyclictest17679-21sed23:45:342
2319099383,32cyclictest12333-21stress22:22:262
2319099383,23cyclictest20706-21aten2_r7power_p23:55:122
23190993819,17cyclictest0-21swapper/223:05:242
23190993819,17cyclictest0-21swapper/200:20:182
23190993818,17cyclictest0-21swapper/223:00:002
23190993817,19cyclictest0-21swapper/223:35:492
23177993813,22cyclictest0-21swapper/000:16:230
70162375,13sleep30-21swapper/319:44:083
253002375,11sleep30-21swapper/319:14:363
253002375,11sleep30-21swapper/319:14:363
23832375,14sleep10-21swapper/120:45:211
2319099373,31cyclictest29308-21date21:45:352
2319099373,31cyclictest12337-21iperf21:10:212
23190993717,18cyclictest0-21swapper/221:20:322
202732375,15sleep00-21swapper/020:14:560
133542375,13sleep30-21swapper/319:56:193
325832365,13sleep00-21swapper/019:27:320
245332365,13sleep30-21swapper/320:23:013
2319099366,28cyclictest0-21swapper/200:05:252
2319099365,28cyclictest12337-21iperf21:10:012
2319099363,31cyclictest7305-21cat00:35:352
2319099363,30cyclictest4184-21grep20:50:132
2319099363,30cyclictest2881-21/usr/sbin/munin19:35:232
279552355,13sleep00-21swapper/019:15:500
279552355,13sleep00-21swapper/019:15:500
2319599359,23cyclictest0-21swapper/323:56:083
2319599358,24cyclictest0-21swapper/323:40:283
2319099356,27cyclictest0-21swapper/221:25:292
2319099356,26cyclictest0-21swapper/220:35:222
2319099355,28cyclictest0-21swapper/220:30:142
2319099355,28cyclictest0-21swapper/220:25:112
2319099355,19cyclictest0-21swapper/220:10:172
2319099353,29cyclictest9569-21/usr/sbin/munin19:50:222
2319099353,29cyclictest8205-21memory19:45:162
2319099353,29cyclictest8146-21/usr/sbin/munin21:00:262
2319099353,29cyclictest31620-21/usr/sbin/munin20:40:182
2319099353,29cyclictest22774-21/usr/sbin/munin20:20:202
2319099353,29cyclictest20573-21/usr/sbin/munin20:15:212
2319099353,29cyclictest11741-21/usr/sbin/munin19:55:202
2319099352,30cyclictest16163-21/usr/sbin/munin20:05:172
23181993516,17cyclictest0-21swapper/121:18:291
23181993514,18cyclictest0-21swapper/122:15:261
23181993511,21cyclictest0-21swapper/123:02:181
23177993514,18cyclictest0-21swapper/021:31:520
23177993513,19cyclictest0-21swapper/022:45:300
23177993512,20cyclictest0-21swapper/000:26:000
23177993511,18cyclictest0-21swapper/020:45:230
23177993511,18cyclictest0-21swapper/019:55:000
111432355,14sleep10-21swapper/119:51:031
99972344,11sleep30-21swapper/321:04:033
97382345,11sleep10-21swapper/121:00:531
67562345,14sleep10-21swapper/119:40:531
310402345,13sleep00-21swapper/020:36:220
30502344,14sleep30-21swapper/320:45:393
23195993416,15cyclictest0-21swapper/321:24:363
2319099343,29cyclictest1429-21/usr/sbin/munin20:45:242
2319099343,28cyclictest32041-21python19:25:232
2319099343,28cyclictest13941-21/usr/sbin/munin20:00:132
23181993416,15cyclictest0-21swapper/122:04:031
23181993415,16cyclictest0-21swapper/121:11:241
23181993410,21cyclictest0-21swapper/121:40:581
2317799349,19cyclictest0-21swapper/021:05:480
2317799347,24cyclictest0-21swapper/023:52:540
23177993411,18cyclictest0-21swapper/021:00:480
23177993411,18cyclictest0-21swapper/020:04:180
23177993411,16cyclictest0-21swapper/020:05:240
23177993410,18cyclictest0-21swapper/020:50:460
178842345,13sleep10-21swapper/120:07:191
46362335,13sleep10-21swapper/119:37:151
2319599339,21cyclictest0-21swapper/322:56:373
2319599337,23cyclictest0-21swapper/322:25:233
2319599336,24cyclictest0-21swapper/323:20:073
23195993311,19cyclictest0-21swapper/322:05:433
23195993310,20cyclictest0-21swapper/323:05:323
2319099336,25cyclictest0-21swapper/219:20:142
2319099333,28cyclictest5955-21/usr/sbin/munin20:55:162
2319099333,28cyclictest5135-21/usr/sbin/munin19:40:122
23181993315,15cyclictest0-21swapper/100:39:101
23181993315,15cyclictest0-21swapper/100:06:181
2317799336,24cyclictest0-21swapper/023:04:090
23177993316,14cyclictest0-21swapper/021:20:170
23177993315,15cyclictest0-21swapper/023:39:380
23177993315,15cyclictest0-21swapper/023:21:260
23177993315,15cyclictest0-21swapper/022:25:310
23177993315,15cyclictest0-21swapper/021:45:330
117282335,13sleep10-21swapper/119:55:041
76342324,12sleep30-21swapper/320:57:053
47632325,14sleep00-21swapper/019:38:510
245242325,11sleep00-21swapper/020:22:540
23195993215,14cyclictest0-21swapper/300:35:333
23195993212,17cyclictest0-21swapper/322:16:313
23195993211,19cyclictest0-21swapper/300:00:073
23195993211,18cyclictest0-21swapper/321:50:473
23195993211,18cyclictest0-21swapper/321:15:223
23195993210,20cyclictest0-21swapper/321:58:513
2319099325,25cyclictest0-21swapper/219:10:112
2319099325,25cyclictest0-21swapper/219:10:102
2319099323,26cyclictest25740-21if_eth219:15:012
2319099323,26cyclictest25740-21if_eth219:15:012
23181993214,16cyclictest0-21swapper/123:10:121
23181993214,15cyclictest0-21swapper/122:46:371
2317799328,21cyclictest0-21swapper/021:17:570
2317799327,22cyclictest0-21swapper/023:15:190
2317799325,25cyclictest0-21swapper/019:11:340
2317799325,25cyclictest0-21swapper/019:11:330
2317799325,16cyclictest0-21swapper/020:33:220
23177993218,12cyclictest0-21swapper/020:25:320
23177993215,14cyclictest0-21swapper/000:22:010
23177993214,15cyclictest0-21swapper/023:40:340
23177993211,17cyclictest0-21swapper/019:20:500
23177993210,16cyclictest0-21swapper/020:40:320
52912315,11sleep10-21swapper/120:50:421
37142314,12sleep30-21swapper/320:50:083
290312315,11sleep10-21swapper/120:34:171
2319599319,19cyclictest0-21swapper/322:50:253
2319599319,19cyclictest0-21swapper/322:10:043
2319599318,20cyclictest0-21swapper/321:25:063
2319599315,24cyclictest0-21swapper/320:05:353
23195993116,12cyclictest0-21swapper/300:10:023
23195993115,14cyclictest0-21swapper/323:10:193
23195993114,14cyclictest0-21swapper/321:35:153
23195993114,14cyclictest0-21swapper/321:35:153
23195993111,18cyclictest0-21swapper/323:50:113
23195993111,17cyclictest0-21swapper/323:18:383
23195993111,17cyclictest0-21swapper/321:45:213
23195993111,17cyclictest0-21swapper/300:28:543
23195993110,18cyclictest0-21swapper/322:31:113
2318199319,19cyclictest0-21swapper/122:40:081
2318199319,19cyclictest0-21swapper/122:40:071
2318199315,24cyclictest0-21swapper/120:35:091
23181993116,12cyclictest0-21swapper/100:30:311
23181993115,14cyclictest0-21swapper/123:35:141
23181993115,14cyclictest0-21swapper/123:20:361
23181993114,15cyclictest0-21swapper/100:25:221
23181993114,14cyclictest0-21swapper/122:25:321
23181993114,14cyclictest0-21swapper/121:46:341
23181993111,17cyclictest0-21swapper/123:16:171
23181993111,17cyclictest0-21swapper/122:37:531
23181993111,17cyclictest0-21swapper/100:15:251
23181993111,17cyclictest0-21swapper/100:12:281
2317799315,24cyclictest0-21swapper/020:55:140
2317799315,24cyclictest0-21swapper/019:45:240
2317799315,21cyclictest0-21swapper/019:56:490
23177993116,13cyclictest0-21swapper/019:30:230
23177993114,15cyclictest0-21swapper/023:25:130
23177993114,15cyclictest0-21swapper/021:35:160
23177993114,15cyclictest0-21swapper/021:35:160
313212304,13sleep30-21swapper/320:39:453
282362304,13sleep30-21swapper/319:19:173
282362304,13sleep30-21swapper/319:19:163
23195993015,12cyclictest0-21swapper/322:00:183
23195993015,12cyclictest0-21swapper/300:30:073
23195993014,14cyclictest0-21swapper/323:00:153
23195993013,15cyclictest0-21swapper/321:30:033
2318199305,23cyclictest0-21swapper/120:19:091
23181993016,12cyclictest0-21swapper/123:29:151
23181993015,13cyclictest0-21swapper/123:50:491
23181993014,14cyclictest0-21swapper/121:25:311
23181993014,13cyclictest0-21swapper/123:30:111
23181993010,17cyclictest0-21swapper/122:50:041
2317799308,15cyclictest0-21swapper/022:30:320
2317799307,20cyclictest0-21swapper/021:25:160
23177993015,12cyclictest0-21swapper/023:06:390
23177993013,15cyclictest0-21swapper/021:50:170
23177993010,15cyclictest0-21swapper/019:40:060
2319599299,18cyclictest0-21swapper/323:25:233
2319599299,17cyclictest0-21swapper/321:40:103
2319599298,19cyclictest0-21swapper/300:10:163
2319599298,18cyclictest0-21swapper/300:15:173
2319599296,20cyclictest0-21swapper/300:20:073
2319599295,23cyclictest0-21swapper/321:05:053
2319599295,22cyclictest0-21swapper/319:45:353
23195992915,13cyclictest0-21swapper/320:00:143
23195992915,12cyclictest0-21swapper/323:35:243
23195992915,12cyclictest0-21swapper/321:10:183
23195992914,13cyclictest0-21swapper/322:35:173
2318199295,14cyclictest0-21swapper/119:31:191
23181992914,12cyclictest0-21swapper/122:05:081
23181992913,14cyclictest0-21swapper/122:30:351
2317799295,22cyclictest0-21swapper/020:15:010
23177992915,12cyclictest0-21swapper/022:15:240
23177992914,13cyclictest0-21swapper/022:05:130
23177992913,14cyclictest0-21swapper/023:45:300
2319599287,18cyclictest0-21swapper/322:45:153
2319599285,21cyclictest0-21swapper/320:30:343
2319599285,21cyclictest0-21swapper/320:29:043
2319599285,21cyclictest0-21swapper/319:27:153
23195992815,11cyclictest0-21swapper/319:23:153
23195992814,13cyclictest0-21swapper/320:10:253
23195992814,13cyclictest0-21swapper/319:36:333
23195992814,12cyclictest0-21swapper/322:20:023
23195992812,14cyclictest0-21swapper/323:30:253
2318199285,21cyclictest0-21swapper/121:07:091
2318199285,21cyclictest0-21swapper/119:45:111
2318199285,21cyclictest0-21swapper/119:22:191
2318199285,21cyclictest0-21swapper/119:15:281
2318199285,21cyclictest0-21swapper/119:15:281
2318199285,17cyclictest0-21swapper/119:10:441
2318199285,17cyclictest0-21swapper/119:10:441
23181992815,11cyclictest0-21swapper/122:55:061
23181992815,11cyclictest0-21swapper/119:25:231
23181992814,12cyclictest0-21swapper/122:15:001
23181992814,11cyclictest0-21swapper/120:55:211
23181992811,14cyclictest0-21swapper/121:50:121
23181992810,17cyclictest0-21swapper/120:25:161
23181992810,12cyclictest0-21swapper/120:01:471
2317799287,19cyclictest0-21swapper/000:35:320
2317799286,20cyclictest0-21swapper/022:55:340
2317799286,20cyclictest0-21swapper/022:35:220
23177992814,12cyclictest0-21swapper/021:10:100
2319599279,15cyclictest0-21swapper/322:44:383
2319599279,15cyclictest0-21swapper/322:44:383
2319599274,21cyclictest0-21swapper/320:15:353
23195992715,11cyclictest0-21swapper/319:51:353
23195992715,11cyclictest0-21swapper/319:32:553
23195992714,12cyclictest0-21swapper/320:40:233
2318199275,21cyclictest0-21swapper/120:11:491
2318199275,14cyclictest0-21swapper/100:00:331
23181992715,10cyclictest0-21swapper/123:55:251
23181992711,13cyclictest0-21swapper/123:40:241
2317799277,17cyclictest0-21swapper/000:05:160
23177992713,12cyclictest0-21swapper/022:00:300
23177992713,12cyclictest0-21swapper/000:00:210
23177992713,11cyclictest0-21swapper/022:10:210
2318199265,19cyclictest0-21swapper/120:40:151
23181992613,11cyclictest0-21swapper/121:35:181
23181992613,11cyclictest0-21swapper/121:35:181
23181992612,12cyclictest0-21swapper/121:20:161
23181992611,13cyclictest0-21swapper/120:21:181
2318199256,17cyclictest0-21swapper/123:05:261
23177992510,13cyclictest0-21swapper/000:32:030
2318199234,6cyclictest17912-21sshd23:46:431
2317799235,14cyclictest0-21swapper/022:50:220
2317799223,4cyclictest32636-21cpuspeed_turbos21:55:140
2317799213,7cyclictest25864-21/usr/sbin/munin21:40:140
2318199206,12cyclictest0-21swapper/121:55:181
2318199204,7cyclictest12332-21stress21:30:361
2317799203,3cyclictest12332-21stress22:40:040
2317799203,3cyclictest12332-21stress22:40:040
2317799203,15cyclictest1022-21jbd2/loop1-800:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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