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2025-12-07 - 13:15
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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 Sun Dec 07, 2025 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2636821410,1sleep01822-21snmpd22:21:530
4557211453,23sleep30-21swapper/319:09:183
4358211253,21sleep00-21swapper/019:06:500
429329466,23sleep20-21swapper/219:05:592
439228051,24sleep10-21swapper/119:07:151
4712995915,24cyclictest0-21swapper/100:30:251
4712995915,24cyclictest0-21swapper/100:30:251
4712995614,23cyclictest0-21swapper/100:10:291
471299518,20cyclictest0-21swapper/100:18:521
471299487,22cyclictest0-21swapper/123:00:331
471299485,24cyclictest0-21swapper/122:55:191
4712994815,14cyclictest0-21swapper/123:40:121
471299478,21cyclictest0-21swapper/123:55:011
471299478,21cyclictest0-21swapper/123:55:011
4712994714,14cyclictest0-21swapper/121:35:331
4712994714,14cyclictest0-21swapper/121:35:331
471299469,19cyclictest0-21swapper/122:34:451
4712994612,16cyclictest0-21swapper/122:25:371
471299458,18cyclictest0-21swapper/123:10:051
4712994514,12cyclictest0-21swapper/122:20:201
4724994328,13cyclictest0-21swapper/321:38:253
4724994328,13cyclictest0-21swapper/321:38:253
4724994325,15cyclictest0-21swapper/322:35:573
4724994324,16cyclictest0-21swapper/322:27:263
4724994324,16cyclictest0-21swapper/322:01:283
4724994323,17cyclictest0-21swapper/322:32:213
4724994319,21cyclictest0-21swapper/321:50:583
4724994223,16cyclictest0-21swapper/323:52:303
4724994223,16cyclictest0-21swapper/323:52:303
4724994223,16cyclictest0-21swapper/300:09:353
4724994223,16cyclictest0-21swapper/300:09:343
4724994122,16cyclictest0-21swapper/321:20:303
4724994025,12cyclictest0-21swapper/321:40:043
4724994022,15cyclictest0-21swapper/300:32:403
4724994022,15cyclictest0-21swapper/300:32:393
472499397,29cyclictest0-21swapper/322:40:133
472499397,29cyclictest0-21swapper/322:40:133
4724993923,14cyclictest0-21swapper/321:47:173
4724993923,13cyclictest0-21swapper/300:17:583
4724993920,17cyclictest0-21swapper/323:15:233
67452385,13sleep20-21swapper/219:13:342
67452385,13sleep20-21swapper/219:13:342
4724993823,13cyclictest0-21swapper/321:34:223
4724993823,13cyclictest0-21swapper/321:34:223
4724993822,14cyclictest0-21swapper/300:35:183
4724993822,14cyclictest0-21swapper/300:35:183
4724993818,17cyclictest0-21swapper/323:56:383
4724993818,17cyclictest0-21swapper/323:45:193
4724993818,17cyclictest0-21swapper/323:05:313
4724993818,17cyclictest0-21swapper/322:55:303
4724993817,19cyclictest0-21swapper/321:10:343
4724993817,18cyclictest0-21swapper/300:20:163
240972385,14sleep00-21swapper/021:05:110
213782385,13sleep20-21swapper/220:57:232
124892385,14sleep20-21swapper/220:37:022
103222385,13sleep20-21swapper/220:32:252
82692375,13sleep20-21swapper/220:29:202
4724993718,17cyclictest0-21swapper/322:05:443
4724993718,16cyclictest0-21swapper/323:10:153
4724993718,16cyclictest0-21swapper/323:00:403
4724993717,18cyclictest0-21swapper/322:50:283
4724993717,17cyclictest0-21swapper/323:20:293
4724993717,17cyclictest0-21swapper/323:20:293
4724993716,18cyclictest0-21swapper/322:10:373
4724993716,18cyclictest0-21swapper/322:10:373
4716993715,19cyclictest0-21swapper/223:17:362
4711993712,22cyclictest0-21swapper/000:25:550
256312375,13sleep20-21swapper/221:05:292
241262375,13sleep20-21swapper/219:50:192
235832375,13sleep20-21swapper/221:02:082
205652375,13sleep20-21swapper/219:40:322
14782375,13sleep20-21swapper/220:12:162
66422365,10sleep00-21swapper/019:12:190
66422365,10sleep00-21swapper/019:12:190
4724993621,12cyclictest0-21swapper/321:15:283
4724993618,16cyclictest0-21swapper/300:00:153
4724993618,16cyclictest0-21swapper/300:00:153
4724993617,17cyclictest0-21swapper/323:40:133
4724993617,17cyclictest0-21swapper/322:15:303
4724993617,16cyclictest0-21swapper/323:35:403
4712993615,18cyclictest0-21swapper/121:57:221
231352364,13sleep00-21swapper/019:49:370
120412365,13sleep20-21swapper/219:24:442
4724993515,18cyclictest0-21swapper/300:25:153
4716993512,20cyclictest0-21swapper/221:45:502
4716993512,20cyclictest0-21swapper/200:36:232
4716993512,20cyclictest0-21swapper/200:36:222
4716993511,21cyclictest0-21swapper/200:25:022
4716993511,21cyclictest0-21swapper/200:14:062
471199359,23cyclictest0-21swapper/021:14:190
37442355,12sleep20-21swapper/220:18:012
228092355,12sleep20-21swapper/219:45:342
161452355,11sleep20-21swapper/219:30:422
97972345,11sleep00-21swapper/019:19:130
472499348,24cyclictest0-21swapper/319:36:413
472499347,24cyclictest0-21swapper/300:10:063
4724993417,15cyclictest0-21swapper/322:45:253
4716993416,15cyclictest0-21swapper/223:40:172
4711993412,19cyclictest0-21swapper/023:50:000
316252345,10sleep00-21swapper/020:06:030
296222345,12sleep20-21swapper/220:03:062
253142345,10sleep00-21swapper/019:54:300
234692345,12sleep00-21swapper/021:00:420
81682334,11sleep00-21swapper/020:28:060
4724993323,7cyclictest0-21swapper/319:55:233
4724993314,16cyclictest0-21swapper/321:55:243
4724993312,18cyclictest0-21swapper/322:20:223
4716993317,13cyclictest0-21swapper/222:55:332
4716993315,15cyclictest0-21swapper/221:10:102
4716993314,17cyclictest0-21swapper/222:30:212
4716993314,16cyclictest0-21swapper/221:25:312
4716993312,18cyclictest0-21swapper/223:35:142
4716993310,20cyclictest0-21swapper/200:15:192
471199336,24cyclictest0-21swapper/021:29:260
4711993314,17cyclictest0-21swapper/023:20:240
4711993314,17cyclictest0-21swapper/023:20:240
4711993312,18cyclictest0-21swapper/000:30:070
4711993312,18cyclictest0-21swapper/000:30:070
4711993311,19cyclictest0-21swapper/023:50:150
4711993311,19cyclictest0-21swapper/023:50:150
4711993311,19cyclictest0-21swapper/023:25:450
4711993311,19cyclictest0-21swapper/023:25:450
4711993311,19cyclictest0-21swapper/022:05:360
14462333,13sleep00-21swapper/020:11:500
97522323,10sleep20-21swapper/219:18:392
472499326,23cyclictest0-21swapper/321:25:313
4724993218,13cyclictest0-21swapper/319:21:513
471699326,23cyclictest0-21swapper/223:27:052
471699326,23cyclictest0-21swapper/223:27:052
4716993216,13cyclictest0-21swapper/223:55:072
4716993216,13cyclictest0-21swapper/222:42:272
4716993216,13cyclictest0-21swapper/222:42:272
4716993215,15cyclictest0-21swapper/221:35:152
4716993215,15cyclictest0-21swapper/221:35:152
4716993215,15cyclictest0-21swapper/200:00:302
4716993215,15cyclictest0-21swapper/200:00:302
4716993214,16cyclictest0-21swapper/222:45:282
4716993212,17cyclictest0-21swapper/222:20:582
4716993212,17cyclictest0-21swapper/221:41:562
4716993211,19cyclictest0-21swapper/223:30:532
4716993211,18cyclictest0-21swapper/221:18:512
471299325,24cyclictest0-21swapper/123:30:331
471299324,26cyclictest0-21swapper/120:15:251
4712993212,17cyclictest0-21swapper/123:09:371
471199326,23cyclictest0-21swapper/023:30:270
4711993218,12cyclictest0-21swapper/023:13:280
4711993217,13cyclictest0-21swapper/023:40:280
4711993216,14cyclictest0-21swapper/022:11:330
4711993216,14cyclictest0-21swapper/022:11:330
4711993215,15cyclictest0-21swapper/022:30:290
4711993215,15cyclictest0-21swapper/000:05:190
4711993215,15cyclictest0-21swapper/000:05:190
4711993215,14cyclictest0-21swapper/022:00:150
4711993214,15cyclictest0-21swapper/000:02:510
4711993214,15cyclictest0-21swapper/000:02:510
4711993213,16cyclictest0-21swapper/021:57:390
472499317,22cyclictest0-21swapper/320:10:163
4724993117,13cyclictest0-21swapper/320:45:213
4724993117,13cyclictest0-21swapper/320:23:413
4724993115,14cyclictest0-21swapper/319:15:203
4724993111,18cyclictest0-21swapper/320:55:143
471699315,24cyclictest0-21swapper/220:40:302
471699314,25cyclictest0-21swapper/220:50:202
4716993117,13cyclictest0-21swapper/220:05:202
4716993117,12cyclictest0-21swapper/200:05:282
4716993117,12cyclictest0-21swapper/200:05:282
4716993115,14cyclictest0-21swapper/222:10:272
4716993115,14cyclictest0-21swapper/222:10:272
4716993115,14cyclictest0-21swapper/222:00:312
4716993114,14cyclictest0-21swapper/223:50:232
4716993114,14cyclictest0-21swapper/223:50:232
4716993112,17cyclictest0-21swapper/200:25:192
4716993111,18cyclictest0-21swapper/223:45:332
4716993111,17cyclictest0-21swapper/223:06:312
4716993111,17cyclictest0-21swapper/222:15:242
471299319,19cyclictest0-21swapper/122:35:141
471299316,22cyclictest0-21swapper/121:20:301
471299315,16cyclictest0-21swapper/120:28:061
4712993111,18cyclictest0-21swapper/123:25:141
4712993111,18cyclictest0-21swapper/123:25:141
4712993110,19cyclictest0-21swapper/123:35:341
4712993110,18cyclictest0-21swapper/123:55:151
471199315,24cyclictest0-21swapper/021:30:170
471199315,24cyclictest0-21swapper/021:30:170
471199315,24cyclictest0-21swapper/020:00:180
471199315,24cyclictest0-21swapper/019:56:530
4711993117,12cyclictest0-21swapper/023:15:080
4711993114,15cyclictest0-21swapper/000:10:210
4711993110,18cyclictest0-21swapper/021:15:190
101902315,11sleep00-21swapper/020:30:500
472499305,23cyclictest0-21swapper/320:39:213
472499305,23cyclictest0-21swapper/319:26:013
472499305,22cyclictest0-21swapper/319:32:583
4724993018,11cyclictest0-21swapper/320:17:513
4724993018,11cyclictest0-21swapper/319:13:013
4724993018,11cyclictest0-21swapper/319:13:013
4724993015,13cyclictest0-21swapper/320:25:133
4724993013,15cyclictest0-21swapper/321:05:223
4724993013,15cyclictest0-21swapper/321:00:173
471699306,21cyclictest0-21swapper/223:20:152
471699306,21cyclictest0-21swapper/223:20:152
471699306,21cyclictest0-21swapper/222:25:172
471699305,12cyclictest0-21swapper/220:45:102
4716993016,13cyclictest0-21swapper/220:00:002
4716993015,13cyclictest0-21swapper/221:30:352
4716993015,13cyclictest0-21swapper/221:30:352
4716993010,17cyclictest0-21swapper/221:20:222
471299308,19cyclictest0-21swapper/100:00:191
471299308,19cyclictest0-21swapper/100:00:191
471299307,20cyclictest0-21swapper/100:35:231
471299307,20cyclictest0-21swapper/100:35:231
471299305,23cyclictest0-21swapper/120:43:451
471299305,23cyclictest0-21swapper/120:39:451
471299305,23cyclictest0-21swapper/119:39:351
471299305,14cyclictest0-21swapper/119:58:311
4712993015,12cyclictest0-21swapper/121:25:141
4712993011,17cyclictest0-21swapper/122:05:241
4712993010,17cyclictest0-21swapper/122:00:031
471199305,12cyclictest0-21swapper/020:51:030
4711993016,12cyclictest0-21swapper/023:55:190
4711993015,13cyclictest0-21swapper/023:07:030
4711993015,13cyclictest0-21swapper/022:56:070
4711993010,18cyclictest0-21swapper/022:55:010
472499295,22cyclictest0-21swapper/319:45:143
472499292,25cyclictest0-21swapper/319:42:203
4724992914,14cyclictest0-21swapper/320:05:133
4724992914,14cyclictest0-21swapper/320:00:253
4724992913,15cyclictest0-21swapper/320:30:153
4724992913,15cyclictest0-21swapper/319:50:163
4724992913,14cyclictest0-21swapper/320:40:173
471699295,23cyclictest0-21swapper/219:35:102
4716992916,11cyclictest0-21swapper/222:35:192
4716992915,12cyclictest0-21swapper/223:00:292
4716992913,14cyclictest0-21swapper/219:25:142
471299298,14cyclictest0-21swapper/119:30:301
471299296,21cyclictest0-21swapper/100:25:371
471299296,20cyclictest0-21swapper/121:45:201
471299295,22cyclictest0-21swapper/119:15:251
471299295,22cyclictest0-21swapper/119:10:151
471299295,22cyclictest0-21swapper/119:10:151
471299295,17cyclictest0-21swapper/119:45:111
471299295,13cyclictest0-21swapper/120:03:361
4712992915,11cyclictest0-21swapper/100:05:261
4712992915,11cyclictest0-21swapper/100:05:261
4712992913,15cyclictest0-21swapper/120:05:251
4712992913,14cyclictest0-21swapper/100:20:151
4712992912,15cyclictest0-21swapper/123:45:181
4712992911,16cyclictest0-21swapper/122:15:221
4712992911,16cyclictest0-21swapper/121:40:141
471199299,17cyclictest0-21swapper/022:35:260
471199296,20cyclictest0-21swapper/022:40:170
471199296,20cyclictest0-21swapper/022:40:160
471199295,22cyclictest0-21swapper/022:46:120
471199295,22cyclictest0-21swapper/021:20:150
471199295,22cyclictest0-21swapper/020:55:260
471199295,22cyclictest0-21swapper/020:45:230
471199295,22cyclictest0-21swapper/019:35:150
4711992915,12cyclictest0-21swapper/000:35:060
4711992915,12cyclictest0-21swapper/000:35:060
4711992915,12cyclictest0-21swapper/000:20:300
4711992913,14cyclictest0-21swapper/022:15:130
4711992911,16cyclictest0-21swapper/023:00:140
4711992910,17cyclictest0-21swapper/019:40:410
472499289,17cyclictest0-21swapper/323:30:233
4724992813,14cyclictest0-21swapper/320:50:253
4716992815,11cyclictest0-21swapper/222:50:102
4716992814,12cyclictest0-21swapper/223:10:322
4716992813,13cyclictest0-21swapper/220:20:242
4716992812,14cyclictest0-21swapper/221:55:272
4716992811,15cyclictest0-21swapper/221:50:302
471299289,17cyclictest0-21swapper/122:10:281
471299289,17cyclictest0-21swapper/122:10:281
471299289,16cyclictest0-21swapper/121:30:301
471299289,16cyclictest0-21swapper/121:30:301
471299286,16cyclictest0-21swapper/121:01:211
471299285,21cyclictest0-21swapper/121:05:251
471299285,21cyclictest0-21swapper/120:58:051
471299285,21cyclictest0-21swapper/120:50:051
471299285,21cyclictest0-21swapper/120:10:451
471299285,21cyclictest0-21swapper/119:21:551
471299285,17cyclictest0-21swapper/120:30:281
471299285,14cyclictest0-21swapper/119:53:481
471299285,13cyclictest0-21swapper/120:46:441
4712992816,11cyclictest0-21swapper/119:26:351
4712992814,12cyclictest0-21swapper/121:50:201
4712992810,12cyclictest0-21swapper/120:22:491
471199285,22cyclictest0-21swapper/020:35:030
4711992816,11cyclictest0-21swapper/020:20:030
4711992816,11cyclictest0-21swapper/019:25:110
4711992815,12cyclictest0-21swapper/020:15:060
4711992814,12cyclictest0-21swapper/023:35:200
4711992811,15cyclictest0-21swapper/020:40:050
471299278,17cyclictest0-21swapper/123:15:041
471299275,12cyclictest0-21swapper/119:40:361
4712992713,12cyclictest0-21swapper/122:40:131
4712992713,12cyclictest0-21swapper/122:40:131
4712992710,15cyclictest0-21swapper/122:50:231
471199275,20cyclictest0-21swapper/019:30:010
4711992713,12cyclictest0-21swapper/019:20:230
4724992612,12cyclictest20852-21/usr/sbin/munin23:25:253
4724992612,12cyclictest20852-21/usr/sbin/munin23:25:243
471299266,17cyclictest0-21swapper/122:45:241
4712992610,14cyclictest0-21swapper/121:15:271
471199267,16cyclictest0-21swapper/021:50:290
4716992411,11cyclictest0-21swapper/200:30:182
4716992411,11cyclictest0-21swapper/200:30:182
471699237,13cyclictest0-21swapper/222:05:192
66182223,17sleep026085-21stress21:38:160
66182223,17sleep026085-21stress21:38:160
471299227,13cyclictest0-21swapper/123:20:181
471299227,13cyclictest0-21swapper/123:20:181
471299227,13cyclictest0-21swapper/121:10:151
471199225,16cyclictest0-21swapper/021:41:450
471199203,4cyclictest10558-21egrep00:15:150
471199203,15cyclictest26087-21stress21:47:030
471199202,16cyclictest26085-21stress22:25:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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