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2025-12-28 - 03:57
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Sun Dec 28, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545899742,66cyclictest2366-21/usr/sbin/munin19:52:223
1545899722,64cyclictest6119-21/usr/sbin/munin20:02:113
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899704,60cyclictest0-21swapper/322:03:223
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
15458997011,53cyclictest0-21swapper/320:12:013
1545899694,59cyclictest0-21swapper/323:07:223
1545899694,59cyclictest0-21swapper/323:07:223
1545899694,59cyclictest0-21swapper/300:20:493
1545899694,58cyclictest29301-21/usr/sbin/munin21:02:053
1545899693,59cyclictest3179-21timerandwakeup21:57:133
1545899693,59cyclictest18231-21timerwakeupswit23:52:123
1545899689,53cyclictest0-21swapper/323:34:223
1545899688,54cyclictest0-21swapper/323:26:093
1545899686,56cyclictest0-21swapper/323:46:533
1545899682,60cyclictest19211-21/usr/sbin/munin20:37:023
1545899682,60cyclictest16059-21/usr/sbin/munin19:02:023
1545899682,37cyclictest25401-21/usr/sbin/munin19:27:093
15458996810,52cyclictest0-21swapper/322:21:433
15458996810,52cyclictest0-21swapper/322:21:433
15458996810,52cyclictest0-21swapper/321:16:193
15458996810,26cyclictest0-21swapper/322:08:003
1545899677,54cyclictest0-21swapper/300:23:243
1545899675,56cyclictest0-21swapper/323:38:273
1545899675,56cyclictest0-21swapper/322:16:283
1545899675,56cyclictest0-21swapper/300:08:093
1545899674,57cyclictest0-21swapper/322:49:573
1545899673,58cyclictest2066-21timerwakeupswit22:42:143
1545899673,58cyclictest0-21swapper/320:06:573
1545899672,59cyclictest28144-21sendmail_mailqu19:32:143
1545899672,58cyclictest10483-21perl21:21:593
1545899672,58cyclictest10483-21perl21:21:593
1545899665,55cyclictest0-21swapper/323:42:233
1545899665,55cyclictest0-21swapper/323:42:233
1545899664,56cyclictest0-21swapper/321:46:113
1545899664,56cyclictest0-21swapper/300:14:493
1545899662,58cyclictest24764-21ssh22:28:333
1545899662,58cyclictest24130-21runrttasks00:01:533
1545899662,58cyclictest21191-21latency21:37:043
1545899662,58cyclictest17339-21/usr/sbin/munin20:32:013
1545899662,58cyclictest15471-21/usr/sbin/munin20:27:143
15458996611,49cyclictest0-21swapper/322:36:073
15458996611,49cyclictest0-21swapper/321:34:523
15458996611,49cyclictest0-21swapper/300:28:293
15458996611,49cyclictest0-21swapper/300:28:293
1545899655,54cyclictest0-21swapper/323:12:443
1545899655,54cyclictest0-21swapper/322:59:073
1545899655,54cyclictest0-21swapper/322:22:063
1545899654,55cyclictest0-21swapper/323:02:063
1545899654,55cyclictest0-21swapper/322:56:273
1545899654,55cyclictest0-21swapper/321:29:463
1545899654,55cyclictest0-21swapper/321:29:463
1545899654,55cyclictest0-21swapper/321:08:253
1545899653,56cyclictest0-21swapper/322:38:073
1545899653,30cyclictest25711-21iostat_ios23:17:013
1545899644,54cyclictest0-21swapper/321:50:173
1545899644,54cyclictest0-21swapper/321:17:593
1545899644,23cyclictest0-21swapper/323:29:103
1545899643,55cyclictest31297-21fschecks_time21:52:003
1545899643,55cyclictest20507-21/usr/sbin/munin23:56:533
1545899642,57cyclictest26703-21/usr/sbin/munin20:57:153
1545899642,29cyclictest4251-21/usr/sbin/munin19:57:133
1545899639,48cyclictest0-21swapper/320:42:143
1545899622,54cyclictest25116-21grep20:52:003
15458996211,45cyclictest0-21swapper/320:48:393
1545899592,51cyclictest29142-21/usr/sbin/munin19:37:013
1544199595,48cyclictest21369-21open_inodes23:57:070
1545899563,48cyclictest0-21swapper/319:50:003
1545399554,45cyclictest0-21swapper/222:58:382
1545399544,8cyclictest0-21swapper/221:47:062
1545399533,6cyclictest0-21swapper/223:10:212
1545399533,6cyclictest0-21swapper/223:10:212
1545399533,45cyclictest0-21swapper/223:33:182
1545399533,43cyclictest0-21swapper/223:37:202
1545399524,42cyclictest0-21swapper/222:08:522
1545399523,8cyclictest0-21swapper/222:24:422
1545399523,42cyclictest0-21swapper/222:18:422
1545399523,42cyclictest0-21swapper/222:18:422
15453995215,32cyclictest46962sleep200:20:362
15441995215,32cyclictest22613-21processes23:12:070
15441995211,35cyclictest0-21swapper/021:57:060
1545899512,42cyclictest18786-21rt-features19:07:143
1545399516,39cyclictest0-21swapper/221:43:032
1545399513,44cyclictest0-21swapper/219:12:342
1545399513,43cyclictest0-21swapper/223:47:052
1545399513,43cyclictest0-21swapper/219:59:352
1545399513,42cyclictest0-21swapper/223:44:002
1545399513,42cyclictest0-21swapper/223:44:002
1545399513,42cyclictest0-21swapper/223:16:212
1545399513,42cyclictest0-21swapper/222:16:222
1544199513,42cyclictest1081-21fschecks_count22:41:570
1545399504,41cyclictest0-21swapper/221:16:132
1545399504,40cyclictest0-21swapper/221:56:272
1545399503,41cyclictest0-21swapper/221:36:232
15453995011,33cyclictest0-21swapper/221:26:462
15453995011,33cyclictest0-21swapper/221:26:462
1544199505,39cyclictest3157-21/usr/sbin/munin23:32:120
1544199505,38cyclictest0-21swapper/021:37:140
15441995011,33cyclictest0-21swapper/021:49:260
15441995010,34cyclictest0-21swapper/021:36:430
1545399498,36cyclictest0-21swapper/221:26:282
1545399498,36cyclictest0-21swapper/221:26:282
1545399494,39cyclictest0-21swapper/223:16:552
1545399494,39cyclictest0-21swapper/222:56:422
15453994935,9cyclictest0-21swapper/221:04:142
1545399493,41cyclictest0-21swapper/220:20:552
1545399493,41cyclictest0-21swapper/220:20:552
1545399493,40cyclictest0-21swapper/221:20:132
1545399493,40cyclictest0-21swapper/221:07:442
15453994914,30cyclictest32652-21latency_hist19:46:462
15453994911,32cyclictest0-21swapper/200:27:392
15453994911,32cyclictest0-21swapper/200:27:392
1544199495,38cyclictest0-21swapper/021:02:550
1544199494,39cyclictest30967-21/usr/sbin/munin21:52:090
1544199493,41cyclictest0-21swapper/021:28:430
1544199493,41cyclictest0-21swapper/021:28:430
15441994913,30cyclictest13478-21swap22:12:130
15441994910,33cyclictest0-21swapper/021:23:450
15441994910,33cyclictest0-21swapper/021:23:450
15441994910,33cyclictest0-21swapper/021:11:350
15441994910,33cyclictest0-21swapper/000:18:130
1545899482,40cyclictest19813-21aten_rbpower_cu19:11:593
15458994814,28cyclictest31513-21/usr/sbin/munin19:42:053
1545399489,33cyclictest0-21swapper/223:02:152
1545399484,38cyclictest0-21swapper/222:28:232
1545399484,37cyclictest0-21swapper/223:58:042
1545399484,37cyclictest0-21swapper/222:42:472
1545399483,8cyclictest0-21swapper/200:15:392
1545399483,39cyclictest0-21swapper/223:56:092
1545399483,38cyclictest0-21swapper/219:41:472
15453994811,5cyclictest0-21swapper/222:36:142
1544199489,33cyclictest0-21swapper/023:40:560
1544199489,33cyclictest0-21swapper/022:54:530
1544199489,33cyclictest0-21swapper/022:39:560
1544199485,38cyclictest0-21swapper/023:52:070
1544199485,38cyclictest0-21swapper/021:18:070
1544199485,37cyclictest0-21swapper/022:20:550
1544199485,37cyclictest0-21swapper/022:20:550
1544199484,38cyclictest0-21swapper/023:17:320
1544199484,38cyclictest0-21swapper/023:06:590
1544199484,38cyclictest0-21swapper/023:06:590
1544199483,17cyclictest0-21swapper/019:54:250
1544199483,10cyclictest0-21swapper/000:22:590
15441994812,30cyclictest26984-21load22:32:030
15441994810,7cyclictest0-21swapper/022:58:550
15441994810,32cyclictest0-21swapper/022:29:290
1545899473,37cyclictest23603-21aten_rbpower_po19:21:583
1545399478,33cyclictest0-21swapper/223:23:582
1545399478,33cyclictest0-21swapper/222:37:002
1545399475,35cyclictest0-21swapper/220:36:452
1545399474,38cyclictest0-21swapper/200:26:112
1545399474,38cyclictest0-21swapper/200:06:002
1545399474,37cyclictest0-21swapper/222:02:242
1545399474,37cyclictest0-21swapper/220:56:522
1545399474,37cyclictest0-21swapper/220:01:572
1545399474,37cyclictest0-21swapper/219:52:112
1545399474,37cyclictest0-21swapper/219:19:212
1545399474,11cyclictest0-21swapper/221:36:512
1545399473,39cyclictest0-21swapper/223:28:002
1545399473,39cyclictest0-21swapper/219:06:592
1545399473,37cyclictest0-21swapper/221:56:442
1545399472,7cyclictest565-21irqbalance00:10:002
1544199479,7cyclictest0-21swapper/022:48:080
1544199479,33cyclictest0-21swapper/000:14:310
1544199479,32cyclictest0-21swapper/023:27:320
1544199479,32cyclictest0-21swapper/022:06:450
1544199478,33cyclictest0-21swapper/023:06:320
1544199475,36cyclictest28779-21users00:07:120
1544199474,37cyclictest0-21swapper/021:14:050
15441994713,29cyclictest627-21snmpd00:04:160
15441994713,29cyclictest24084-21wget21:41:570
15441994710,32cyclictest0-21swapper/023:44:590
15441994710,32cyclictest0-21swapper/023:44:590
1545399464,37cyclictest0-21swapper/222:47:452
1545399464,37cyclictest0-21swapper/220:22:212
1545399464,37cyclictest0-21swapper/220:22:212
1545399464,36cyclictest0-21swapper/220:52:122
1545399463,37cyclictest0-21swapper/220:37:002
1545399463,37cyclictest0-21swapper/220:11:522
1545399463,37cyclictest0-21swapper/219:27:022
1544199468,32cyclictest0-21swapper/023:48:000
1544199464,36cyclictest0-21swapper/022:22:210
15441994612,29cyclictest6177-21load22:02:040
1545899452,38cyclictest21980-21fschecks_time19:17:013
1545399454,9cyclictest0-21swapper/220:06:572
1545399454,35cyclictest0-21swapper/219:01:512
1545399453,37cyclictest0-21swapper/219:47:032
1544199459,31cyclictest0-21swapper/000:27:550
1544199459,31cyclictest0-21swapper/000:27:550
1544199456,34cyclictest0-21swapper/020:48:140
1544199452,38cyclictest29959-21grep23:22:130
1545399443,8cyclictest0-21swapper/220:42:032
1545399443,5cyclictest0-21swapper/219:36:472
1545399433,34cyclictest24594-21latency_hist20:51:452
1545399432,8cyclictest23533-21/usr/sbin/munin19:22:142
77342423,6sleep10-21swapper/122:51:441
297102423,6sleep10-21swapper/121:49:221
1544199424,6cyclictest0-21swapper/020:37:160
316332413,6sleep10-21swapper/122:38:241
257052413,6sleep10-21swapper/100:03:081
11622413,6sleep10-21swapper/123:27:261
1545399403,32cyclictest0-21swapper/220:26:462
139132403,6sleep10-21swapper/123:00:221
266952393,6sleep10-21swapper/119:27:371
230362393,6sleep10-21swapper/121:40:001
1544599394,29cyclictest0-21swapper/100:20:041
149062397,10sleep20-21swapper/218:58:132
76472383,6sleep10-21swapper/120:05:241
15445993828,6cyclictest3269-21grep23:31:531
127652383,6sleep10-21swapper/123:45:251
127652383,6sleep10-21swapper/123:45:251
3842373,6sleep10-21swapper/121:53:291
37192373,6sleep10-21swapper/119:53:081
283372372,6sleep10-21swapper/121:01:411
244512373,7sleep10-21swapper/123:15:391
176832373,6sleep10-21swapper/123:06:051
159262373,6sleep10-21swapper/119:01:541
1544599374,28cyclictest0-21swapper/100:24:591
1495123712,18sleep00-21swapper/018:58:470
115582373,7sleep10-21swapper/100:30:251
115582373,7sleep10-21swapper/100:30:251
20242363,6sleep10-21swapper/119:50:271
1544599364,27cyclictest0-21swapper/123:08:221
1544599364,27cyclictest0-21swapper/123:08:221
1544599364,27cyclictest0-21swapper/122:32:111
1544599364,27cyclictest0-21swapper/121:18:401
1506723613,17sleep30-21swapper/319:00:073
283202353,6sleep10-21swapper/123:21:391
1544599354,27cyclictest0-21swapper/123:52:441
1544599354,26cyclictest0-21swapper/100:11:341
1544599354,25cyclictest0-21swapper/121:09:371
1544599353,27cyclictest0-21swapper/123:56:441
1544599353,27cyclictest0-21swapper/122:22:411
15441993524,7cyclictest16275-21grep19:02:030
15441993524,6cyclictest24065-21latency19:22:060
15441993522,8cyclictest19107-21grep19:07:190
15441993516,14cyclictest638-21runrttasks19:41:420
130982353,6sleep10-21swapper/120:18:351
130982353,6sleep10-21swapper/120:18:351
287882343,7sleep00-21swapper/019:35:170
170332343,6sleep10-21swapper/120:30:511
1544599344,26cyclictest0-21swapper/123:48:141
1544599344,26cyclictest0-21swapper/123:23:261
1544599344,25cyclictest0-21swapper/119:40:401
15445993424,6cyclictest27919-21sort19:32:091
15445993423,6cyclictest5159-21smart_sda19:57:161
1489023411,17sleep10-21swapper/118:58:001
192702333,6sleep10-21swapper/119:08:141
1544599334,25cyclictest0-21swapper/122:08:361
1544599334,24cyclictest0-21swapper/121:11:511
1544599334,24cyclictest0-21swapper/119:12:101
1544599333,25cyclictest0-21swapper/122:29:111
1544599333,25cyclictest0-21swapper/122:06:101
15445993323,6cyclictest31653-21awk00:12:011
15445993322,7cyclictest14546-21switchtime20:22:161
15445993322,7cyclictest14546-21switchtime20:22:161
15445993321,8cyclictest24817-21/usr/sbin/munin20:52:011
15441993321,8cyclictest1737-21head19:47:180
15441993320,8cyclictest20986-21grep19:12:190
15441993317,11cyclictest0-21swapper/020:22:040
15441993317,11cyclictest0-21swapper/020:22:040
1544599323,25cyclictest0-21swapper/123:38:121
1544599323,24cyclictest0-21swapper/122:00:241
15445993222,7cyclictest20454-21unixbench_singl20:37:171
15445993222,6cyclictest1995-21timerandwakeup22:42:131
15445993220,7cyclictest21944-21cut19:17:001
15441993216,11cyclictest0-21swapper/020:17:120
15441993216,11cyclictest0-21swapper/020:17:120
15441993215,12cyclictest0-21swapper/020:51:560
15441993212,14cyclictest27156-21/usr/sbin/munin20:57:010
15441993210,16cyclictest21987-21/usr/sbin/munin20:42:120
131302323,6sleep10-21swapper/121:26:161
131302323,6sleep10-21swapper/121:26:161
1544599314,23cyclictest0-21swapper/122:18:111
1544599314,23cyclictest0-21swapper/122:18:111
1544599314,21cyclictest0-21swapper/122:11:571
1544599313,24cyclictest0-21swapper/122:51:411
1544599313,23cyclictest0-21swapper/121:42:401
1544599313,23cyclictest0-21swapper/119:42:131
15445993121,6cyclictest10982-21sshd20:12:161
15445993118,8cyclictest29573-21awk21:02:101
15441993119,7cyclictest22681-21timerandwakeup19:17:140
15441993118,8cyclictest6119-21/usr/sbin/munin20:02:080
15441993117,10cyclictest0-21swapper/019:57:000
15441993116,10cyclictest0-21swapper/020:12:010
15441993115,11cyclictest0-21swapper/020:07:070
15441993115,11cyclictest0-21swapper/019:44:160
1544599303,24cyclictest0-21swapper/121:33:101
15445993018,7cyclictest13927-21uniq21:27:001
15445993018,7cyclictest13927-21uniq21:27:001
15441993015,10cyclictest0-21swapper/020:36:400
15441993014,11cyclictest0-21swapper/020:27:020
1544599294,20cyclictest0-21swapper/120:48:101
1544599293,22cyclictest0-21swapper/120:32:101
1544599293,21cyclictest0-21swapper/119:21:551
15445992918,7cyclictest8528-21sort20:07:041
15445992917,7cyclictest21295-21tune2fs20:42:001
15441992914,10cyclictest0-21swapper/019:26:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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