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2026-05-20 - 08:01
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot4.osadl.org (updated Wed May 20, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16694213068,6sleep10-21swapper/119:05:441
16933212765,8sleep30-21swapper/319:08:513
170142122112,7sleep20-21swapper/219:09:542
16730211596,7sleep00-21swapper/019:06:120
14382670,2sleep340-21ksoftirqd/320:20:153
253402640,1sleep225345-21mailstats19:40:212
241502620,1sleep10-21swapper/121:35:181
260232600,0sleep10-21swapper/120:10:201
155932590,0sleep10-21swapper/121:30:131
177522550,0sleep00-21swapper/022:55:190
131142550,0sleep30-21swapper/319:30:173
190112540,1sleep119017-21kthreadcore19:10:211
44832530,0sleep20-21swapper/223:40:222
1720099270,26cyclictest0-21swapper/221:07:192
1720099260,25cyclictest0-21swapper/222:10:372
1720099260,25cyclictest0-21swapper/220:05:342
17200992523,2cyclictest0-21swapper/220:29:552
17200992523,2cyclictest0-21swapper/200:14:472
1719099250,24cyclictest0-21swapper/000:20:200
1720099240,22cyclictest0-21swapper/220:40:112
17195992422,2cyclictest0-21swapper/120:43:281
17195992421,3cyclictest0-21swapper/121:57:131
1719099249,13cyclictest0-21swapper/021:50:260
17200992321,2cyclictest0-21swapper/221:54:552
1720099231,21cyclictest0-21swapper/200:26:112
1720099230,22cyclictest0-21swapper/223:55:232
17195992321,2cyclictest0-21swapper/123:33:141
17195992321,2cyclictest0-21swapper/119:53:401
17195992321,2cyclictest0-21swapper/100:08:181
17195992320,3cyclictest0-21swapper/122:03:581
17195992319,3cyclictest0-21swapper/119:59:011
1720099225,15cyclictest0-21swapper/223:18:052
17200992220,2cyclictest0-21swapper/221:11:492
17200992218,3cyclictest0-21swapper/222:56:402
1720099220,21cyclictest0-21swapper/223:52:422
1720099220,21cyclictest0-21swapper/222:49:322
1720099220,21cyclictest0-21swapper/220:38:222
1720099220,21cyclictest0-21swapper/219:27:342
1720099220,21cyclictest0-21swapper/200:31:482
1720099220,21cyclictest0-21swapper/200:02:562
17195992220,2cyclictest0-21swapper/123:44:591
17195992220,2cyclictest0-21swapper/121:08:581
17195992220,2cyclictest0-21swapper/120:16:011
17195992220,2cyclictest0-21swapper/119:32:161
17195992219,3cyclictest0-21swapper/100:04:271
17195992218,3cyclictest0-21swapper/121:45:371
17195992218,3cyclictest0-21swapper/121:44:431
1719599220,3cyclictest0-21swapper/122:15:101
1719599220,3cyclictest0-21swapper/119:25:371
1719599220,2cyclictest23057-21if_enp1s019:15:001
1719599220,21cyclictest0-21swapper/123:47:561
1719599220,21cyclictest0-21swapper/123:15:531
1719599220,21cyclictest0-21swapper/122:47:441
1719599220,21cyclictest0-21swapper/122:25:491
1719599220,21cyclictest0-21swapper/122:11:221
1719599220,21cyclictest0-21swapper/122:05:111
1719599220,21cyclictest0-21swapper/121:29:521
1719599220,21cyclictest0-21swapper/121:24:581
1719599220,21cyclictest0-21swapper/121:19:401
1719599220,21cyclictest0-21swapper/121:19:401
1719599220,21cyclictest0-21swapper/120:35:181
1719599220,21cyclictest0-21swapper/119:48:331
1719599220,21cyclictest0-21swapper/119:39:011
1719599220,21cyclictest0-21swapper/100:13:501
1719099220,21cyclictest0-21swapper/023:16:440
92402210,0sleep30-21swapper/323:20:013
17200992118,2cyclictest749-21snmpd23:13:532
17200992118,2cyclictest749-21snmpd21:42:172
17200992117,3cyclictest0-21swapper/223:45:232
17200992116,4cyclictest0-21swapper/222:40:152
1720099210,20cyclictest0-21swapper/222:30:522
1720099210,20cyclictest0-21swapper/222:21:532
1720099210,20cyclictest0-21swapper/219:56:342
1720099210,20cyclictest0-21swapper/219:34:462
1720099210,20cyclictest0-21swapper/219:18:472
1720099210,20cyclictest0-21swapper/219:11:422
1720099210,20cyclictest0-21swapper/200:07:572
17195992119,2cyclictest0-21swapper/123:25:031
17195992118,3cyclictest0-21swapper/123:57:501
17195992118,3cyclictest0-21swapper/119:40:371
17195992118,3cyclictest0-21swapper/100:20:051
1719599210,21cyclictest0-21swapper/120:00:511
1719599210,20cyclictest0-21swapper/123:51:331
1719599210,20cyclictest0-21swapper/123:36:151
1719599210,20cyclictest0-21swapper/123:13:511
1719599210,20cyclictest0-21swapper/123:08:171
1719599210,20cyclictest0-21swapper/123:02:051
1719599210,20cyclictest0-21swapper/122:55:551
1719599210,20cyclictest0-21swapper/122:53:431
1719599210,20cyclictest0-21swapper/122:30:201
1719599210,20cyclictest0-21swapper/121:53:551
1719599210,20cyclictest0-21swapper/121:14:071
1719599210,20cyclictest0-21swapper/120:51:281
1719599210,20cyclictest0-21swapper/120:20:251
1719599210,20cyclictest0-21swapper/120:08:311
1719599210,20cyclictest0-21swapper/119:21:461
1719599210,20cyclictest0-21swapper/100:39:451
1719599210,20cyclictest0-21swapper/100:39:441
1719599210,20cyclictest0-21swapper/100:30:331
1719599210,20cyclictest0-21swapper/100:15:061
1719099210,15cyclictest0-21swapper/000:00:240
17200992018,1cyclictest749-21snmpd23:23:352
17200992018,1cyclictest749-21snmpd21:55:412
17200992018,1cyclictest749-21snmpd20:57:102
17200992018,1cyclictest749-21snmpd20:13:222
17200992018,1cyclictest749-21snmpd19:39:032
17200992018,1cyclictest749-21snmpd00:23:422
17200992018,1cyclictest749-21snmpd00:16:422
17200992017,2cyclictest749-21snmpd23:28:092
1720099200,2cyclictest0-21swapper/219:21:042
1720099200,19cyclictest0-21swapper/221:28:072
1720099200,19cyclictest0-21swapper/221:01:342
1720099200,19cyclictest0-21swapper/220:47:132
1720099200,19cyclictest0-21swapper/220:33:102
1720099200,19cyclictest0-21swapper/219:48:042
17195992017,3cyclictest0-21swapper/120:30:371
1719599201,17cyclictest0-21swapper/122:20:191
1719599200,19cyclictest0-21swapper/122:41:521
1719599200,19cyclictest0-21swapper/121:04:341
1719599200,19cyclictest0-21swapper/120:55:491
1719099209,10cyclictest0-21swapper/000:05:190
17190992018,1cyclictest749-21snmpd23:57:560
17190992018,1cyclictest749-21snmpd23:04:050
17190992018,1cyclictest749-21snmpd22:07:340
17190992018,1cyclictest749-21snmpd21:08:010
17190992018,1cyclictest749-21snmpd19:20:050
1719099200,20cyclictest0-21swapper/019:15:480
31092190,0sleep20-21swapper/220:20:182
17200991917,2cyclictest0-21swapper/221:47:522
17200991917,1cyclictest749-21snmpd23:36:292
17200991917,1cyclictest749-21snmpd23:34:262
17200991917,1cyclictest749-21snmpd23:05:142
17200991917,1cyclictest749-21snmpd22:17:582
17200991917,1cyclictest749-21snmpd22:03:432
17200991917,1cyclictest749-21snmpd21:38:102
17200991917,1cyclictest749-21snmpd21:16:042
17200991917,1cyclictest749-21snmpd21:16:042
17200991917,1cyclictest749-21snmpd20:17:062
17200991917,1cyclictest749-21snmpd19:50:102
17200991916,2cyclictest749-21snmpd21:34:162
17200991916,2cyclictest749-21snmpd20:53:402
1720099191,16cyclictest0-21swapper/221:20:162
17195991917,2cyclictest0-21swapper/120:25:451
1719599191,2cyclictest0-21swapper/122:35:161
1719599190,19cyclictest0-21swapper/100:28:081
1719099194,14cyclictest0-21swapper/021:15:170
1719099194,14cyclictest0-21swapper/021:15:170
17190991917,1cyclictest749-21snmpd23:50:210
17190991917,1cyclictest749-21snmpd23:40:290
17190991917,1cyclictest749-21snmpd23:29:240
17190991917,1cyclictest749-21snmpd22:18:410
17190991917,1cyclictest749-21snmpd21:14:040
17190991917,1cyclictest749-21snmpd20:46:070
17190991917,1cyclictest749-21snmpd20:10:060
17190991917,1cyclictest749-21snmpd20:09:460
17190991917,1cyclictest749-21snmpd19:39:220
229372188,3sleep30-21swapper/320:36:383
17200991816,2cyclictest0-21swapper/220:04:452
17200991816,1cyclictest749-21snmpd22:05:402
17195991816,1cyclictest749-21snmpd23:21:321
1719099185,11cyclictest0-21swapper/000:35:230
1719099185,11cyclictest0-21swapper/000:35:220
1719099183,14cyclictest0-21swapper/022:35:240
17190991816,1cyclictest749-21snmpd22:54:310
17190991816,1cyclictest749-21snmpd22:26:280
17190991816,1cyclictest749-21snmpd22:12:040
17190991816,1cyclictest749-21snmpd21:46:580
17190991816,1cyclictest749-21snmpd21:42:280
17190991816,1cyclictest749-21snmpd21:29:250
17190991816,1cyclictest749-21snmpd21:21:490
17190991816,1cyclictest749-21snmpd20:54:310
17190991816,1cyclictest749-21snmpd20:34:310
17190991816,1cyclictest749-21snmpd20:16:490
17190991816,1cyclictest749-21snmpd19:59:250
17190991816,1cyclictest749-21snmpd19:52:100
17190991816,1cyclictest749-21snmpd19:43:130
17190991816,1cyclictest749-21snmpd19:10:000
17190991816,1cyclictest749-21snmpd00:30:240
17190991816,1cyclictest749-21snmpd00:17:330
17190991816,1cyclictest749-21snmpd00:11:350
17190991816,1cyclictest18748-21cat22:30:160
1719099180,12cyclictest0-21swapper/020:24:040
50132177,3sleep30-21swapper/323:42:523
319322176,3sleep30-21swapper/323:39:073
17200991715,1cyclictest749-21snmpd00:35:302
17200991715,1cyclictest749-21snmpd00:35:292
17200991714,2cyclictest749-21snmpd22:27:132
1720099170,17cyclictest0-21swapper/223:02:302
17190991715,1cyclictest749-21snmpd23:39:270
17190991715,1cyclictest749-21snmpd22:45:550
17190991715,1cyclictest749-21snmpd22:03:580
17190991715,1cyclictest749-21snmpd21:37:520
17190991715,1cyclictest749-21snmpd20:40:190
17190991715,1cyclictest749-21snmpd20:04:520
17190991715,1cyclictest749-21snmpd19:31:300
17190991715,1cyclictest749-21snmpd19:25:010
1719099170,16cyclictest0-21swapper/021:00:190
1719099170,11cyclictest0-21swapper/020:57:580
164282171,5sleep30-21swapper/320:05:143
203782160,0sleep00-21swapper/021:30:240
199202160,1sleep00-21swapper/020:35:180
1720099162,13cyclictest0-21swapper/222:50:262
17200991614,1cyclictest749-21snmpd22:39:142
1719099162,13cyclictest0-21swapper/022:40:200
17190991614,1cyclictest749-21snmpd23:31:470
17190991614,1cyclictest749-21snmpd23:23:180
17190991614,1cyclictest749-21snmpd23:11:030
17190991614,1cyclictest749-21snmpd23:07:350
17190991614,1cyclictest749-21snmpd22:23:010
1719099161,14cyclictest0-21swapper/000:25:200
1719099160,15cyclictest0-21swapper/020:29:330
3070321510,3sleep30-21swapper/321:14:583
243552153,3sleep30-21swapper/323:03:593
17632159,3sleep30-21swapper/300:37:073
17632159,3sleep30-21swapper/300:37:063
1753521510,3sleep30-21swapper/300:23:133
1719099150,14cyclictest0-21swapper/023:45:090
742821410,3sleep30-21swapper/320:53:363
72982149,3sleep30-21swapper/322:45:293
66821410,3sleep30-21swapper/322:13:253
503821410,3sleep30-21swapper/321:47:183
351821410,3sleep30-21swapper/319:23:173
3151521410,3sleep30-21swapper/319:47:403
2974521410,3sleep30-21swapper/323:06:233
288292148,3sleep30-21swapper/322:40:003
274292149,3sleep30-21swapper/300:01:173
2698321410,3sleep30-21swapper/320:11:033
2307621410,3sleep30-21swapper/300:27:403
2298621410,3sleep30-21swapper/322:32:193
2263821410,3sleep30-21swapper/319:14:203
220362149,3sleep30-21swapper/322:04:563
1874521410,3sleep30-21swapper/321:00:333
181521410,3sleep30-21swapper/320:48:073
1752921410,3sleep30-21swapper/320:34:413
172662149,3sleep30-21swapper/322:25:503
1719599147,7cyclictest0-21swapper/120:47:491
17190991412,1cyclictest749-21snmpd19:46:060
1719099140,8cyclictest0-21swapper/021:55:020
1503321410,3sleep30-21swapper/321:28:243
1322221410,3sleep30-21swapper/320:57:043
1196521410,3sleep30-21swapper/300:18:433
1187221410,3sleep30-21swapper/322:23:223
113522149,3sleep30-21swapper/320:26:133
106552149,3sleep30-21swapper/323:48:083
105632149,3sleep30-21swapper/321:51:303
1019021410,3sleep30-21swapper/319:56:373
8572137,3sleep30-21swapper/300:09:473
63412139,3sleep30-21swapper/300:13:153
62882139,3sleep30-21swapper/322:18:383
46732139,3sleep30-21swapper/319:52:363
36642139,3sleep30-21swapper/321:16:263
36642139,3sleep30-21swapper/321:16:263
34572139,3sleep30-21swapper/323:14:203
326642139,3sleep30-21swapper/320:17:163
317282135,5sleep30-21swapper/321:40:453
302342137,3sleep30-21swapper/319:17:003
287732139,3sleep30-21swapper/322:39:173
273162139,3sleep30-21swapper/322:05:563
261152139,3sleep30-21swapper/323:31:593
257842139,3sleep30-21swapper/319:40:553
248412139,3sleep30-21swapper/321:07:293
204252139,3sleep30-21swapper/323:26:013
204212139,3sleep30-21swapper/321:30:363
202132139,3sleep30-21swapper/319:36:273
185262139,3sleep30-21swapper/322:56:103
161522139,3sleep30-21swapper/323:51:363
158602138,3sleep30-21swapper/320:02:183
149902139,3sleep30-21swapper/323:23:173
132252138,4sleep30-21swapper/322:54:593
92382128,3sleep30-21swapper/321:20:393
88902128,3sleep30-21swapper/319:25:293
286342128,3sleep30-21swapper/320:42:513
285162128,3sleep30-21swapper/300:30:533
218232128,3sleep30-21swapper/323:57:343
209972128,3sleep30-21swapper/321:35:053
160872128,3sleep30-21swapper/321:55:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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