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2026-06-19 - 08:27
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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 rackdslot2.osadl.org (updated Fri Jun 19, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266062236170,21sleep30-21swapper/319:08:003
266952231167,21sleep00-21swapper/019:09:100
267192208175,22sleep20-21swapper/219:09:282
265842204171,21sleep10-21swapper/119:07:421
1637521700,5sleep22705699cyclictest23:15:182
2155021440,5sleep32705799cyclictest20:05:123
2166421430,6sleep02705499cyclictest20:05:130
27057997326,10cyclictest41-21ksoftirqd/322:30:193
27057997030,5cyclictest41-21ksoftirqd/300:40:003
27057996734,4cyclictest41-21ksoftirqd/323:40:293
27057996534,4cyclictest41-21ksoftirqd/322:45:013
27057996533,4cyclictest41-21ksoftirqd/321:35:193
27057996532,4cyclictest41-21ksoftirqd/319:35:003
274542640,6sleep22705699cyclictest23:40:142
27057996433,4cyclictest41-21ksoftirqd/320:40:173
27057996433,4cyclictest41-21ksoftirqd/320:40:173
2676226441,12sleep30-21swapper/319:10:013
27057996332,8cyclictest41-21ksoftirqd/300:00:263
27057996332,4cyclictest41-21ksoftirqd/320:00:253
27057996332,4cyclictest41-21ksoftirqd/319:50:143
27057996331,4cyclictest41-21ksoftirqd/322:10:013
27057996331,4cyclictest41-21ksoftirqd/319:15:213
27057996330,4cyclictest41-21ksoftirqd/321:00:013
27057996328,4cyclictest41-21ksoftirqd/320:35:193
27057996326,6cyclictest41-21ksoftirqd/323:00:123
69182620,2sleep10-21swapper/122:55:191
321462620,2sleep20-21swapper/223:50:132
27057996232,4cyclictest41-21ksoftirqd/320:30:193
27057996230,3cyclictest41-21ksoftirqd/323:15:263
27057996229,4cyclictest41-21ksoftirqd/321:45:163
27057996228,4cyclictest41-21ksoftirqd/323:20:263
27057996228,4cyclictest41-21ksoftirqd/322:50:263
27057996228,4cyclictest41-21ksoftirqd/300:25:293
27057996228,4cyclictest41-21ksoftirqd/300:25:293
27057996227,8cyclictest41-21ksoftirqd/321:40:183
27057996227,4cyclictest41-21ksoftirqd/320:20:123
27057996133,8cyclictest41-21ksoftirqd/323:30:223
27057996131,7cyclictest41-21ksoftirqd/322:20:183
27057996131,3cyclictest41-21ksoftirqd/320:25:163
27057996130,7cyclictest41-21ksoftirqd/321:15:233
27057996129,4cyclictest41-21ksoftirqd/323:30:003
27057996129,3cyclictest41-21ksoftirqd/320:10:173
27057996128,5cyclictest41-21ksoftirqd/323:10:163
27057996128,4cyclictest41-21ksoftirqd/323:50:223
27057996127,4cyclictest41-21ksoftirqd/321:55:013
27057996125,5cyclictest41-21ksoftirqd/300:20:263
27057996029,4cyclictest41-21ksoftirqd/321:10:013
27057996028,8cyclictest41-21ksoftirqd/322:25:253
27057996027,4cyclictest41-21ksoftirqd/319:35:143
27057996026,4cyclictest41-21ksoftirqd/321:55:143
27057996024,4cyclictest41-21ksoftirqd/322:45:143
235012600,7sleep22705699cyclictest22:25:002
27057995932,3cyclictest41-21ksoftirqd/322:15:213
27057995929,8cyclictest41-21ksoftirqd/300:30:223
27057995929,4cyclictest41-21ksoftirqd/323:55:243
27057995928,4cyclictest41-21ksoftirqd/323:05:153
27057995927,4cyclictest41-21ksoftirqd/321:25:163
27057995926,10cyclictest41-21ksoftirqd/319:40:163
27057995925,4cyclictest41-21ksoftirqd/319:45:003
27057995826,7cyclictest41-21ksoftirqd/319:28:003
27057995825,8cyclictest41-21ksoftirqd/322:00:263
27057995823,4cyclictest41-21ksoftirqd/322:55:153
27057995823,4cyclictest41-21ksoftirqd/319:55:203
27057995821,4cyclictest41-21ksoftirqd/320:50:203
27057995727,4cyclictest41-21ksoftirqd/323:35:273
27057995724,7cyclictest41-21ksoftirqd/300:05:153
27057995724,4cyclictest41-21ksoftirqd/321:30:153
27057995723,4cyclictest41-21ksoftirqd/320:15:193
27057995722,4cyclictest41-21ksoftirqd/322:10:173
27057995722,4cyclictest41-21ksoftirqd/319:20:123
262052570,2sleep00-21swapper/022:30:040
27057995617,4cyclictest41-21ksoftirqd/300:13:553
27057995528,7cyclictest41-21ksoftirqd/320:45:153
27057995523,9cyclictest41-21ksoftirqd/321:25:003
27057995522,4cyclictest41-21ksoftirqd/322:35:173
27057995520,7cyclictest41-21ksoftirqd/323:45:193
27057995426,9cyclictest41-21ksoftirqd/321:00:253
27057995320,4cyclictest41-21ksoftirqd/300:15:143
2705799493,7cyclictest41-21ksoftirqd/321:15:003
27056994136,3cyclictest5547-21cron22:55:012
27056993933,4cyclictest33-21ksoftirqd/223:29:592
27056993932,4cyclictest3193-21dump-pmu-power22:50:012
27055993932,4cyclictest25-21ksoftirqd/122:50:011
27056993832,4cyclictest33-21ksoftirqd/221:31:162
27055993832,3cyclictest25-21ksoftirqd/121:50:091
27054993831,5cyclictest9-21ksoftirqd/020:10:110
2705499381,35cyclictest8984-21cron19:40:000
27056993732,3cyclictest33-21ksoftirqd/200:29:322
27056993732,3cyclictest33-21ksoftirqd/200:29:322
27056993731,4cyclictest33-21ksoftirqd/219:58:102
27056993731,4cyclictest33-21ksoftirqd/219:20:352
27056993730,4cyclictest33-21ksoftirqd/200:15:592
27055993731,4cyclictest25-21ksoftirqd/121:26:101
27055993731,4cyclictest25-21ksoftirqd/120:19:311
27055993710,26cyclictest0-21swapper/123:08:151
27056993631,3cyclictest33-21ksoftirqd/220:43:392
27056993631,3cyclictest33-21ksoftirqd/220:43:392
27056993630,4cyclictest33-21ksoftirqd/221:48:462
27056993630,4cyclictest33-21ksoftirqd/220:54:382
27056993630,3cyclictest19315-21systemctl21:05:242
27055993631,3cyclictest25-21ksoftirqd/121:45:111
27055993630,4cyclictest25-21ksoftirqd/123:20:521
27055993630,4cyclictest25-21ksoftirqd/121:03:551
27054993630,4cyclictest9-21ksoftirqd/022:15:360
27056993530,3cyclictest33-21ksoftirqd/222:25:112
27056993530,3cyclictest33-21ksoftirqd/222:18:522
27056993530,3cyclictest33-21ksoftirqd/220:03:332
27056993529,4cyclictest33-21ksoftirqd/222:06:112
27056993529,3cyclictest33-21ksoftirqd/223:38:512
27055993529,4cyclictest25-21ksoftirqd/123:27:421
27055993529,4cyclictest25-21ksoftirqd/120:56:091
27055993529,4cyclictest25-21ksoftirqd/120:47:151
27055993529,4cyclictest25-21ksoftirqd/120:10:481
27055993529,4cyclictest25-21ksoftirqd/119:22:461
27054993530,3cyclictest9-21ksoftirqd/023:30:100
27054993530,3cyclictest9-21ksoftirqd/021:16:100
27054993529,4cyclictest9-21ksoftirqd/020:54:280
27054993529,4cyclictest9-21ksoftirqd/019:56:470
27054993529,4cyclictest9-21ksoftirqd/000:23:130
27054993528,4cyclictest9-21ksoftirqd/021:27:290
27056993429,3cyclictest33-21ksoftirqd/222:30:312
27056993429,3cyclictest33-21ksoftirqd/221:55:252
27056993429,3cyclictest33-21ksoftirqd/220:49:462
27056993429,3cyclictest33-21ksoftirqd/220:06:362
27056993429,3cyclictest33-21ksoftirqd/219:40:202
27056993428,4cyclictest33-21ksoftirqd/221:40:432
27056993428,4cyclictest33-21ksoftirqd/219:48:302
27056993427,4cyclictest33-21ksoftirqd/219:33:022
27056993427,4cyclictest33-21ksoftirqd/200:35:062
27055993428,4cyclictest25-21ksoftirqd/122:43:211
27055993428,4cyclictest25-21ksoftirqd/122:27:121
27055993428,3cyclictest25-21ksoftirqd/121:36:561
27054993429,3cyclictest9-21ksoftirqd/019:47:200
27054993428,4cyclictest9-21ksoftirqd/020:15:320
27054993428,4cyclictest9-21ksoftirqd/019:33:200
27054993428,4cyclictest9-21ksoftirqd/000:29:430
27054993428,4cyclictest9-21ksoftirqd/000:29:420
27054993428,3cyclictest9-21ksoftirqd/022:02:200
27056993327,4cyclictest33-21ksoftirqd/222:10:562
27056993327,4cyclictest33-21ksoftirqd/221:22:342
27056993327,4cyclictest33-21ksoftirqd/221:15:282
27055993328,3cyclictest25-21ksoftirqd/122:52:591
27055993328,3cyclictest25-21ksoftirqd/121:11:371
27055993328,3cyclictest25-21ksoftirqd/120:22:041
27055993328,3cyclictest25-21ksoftirqd/100:27:131
27055993328,3cyclictest25-21ksoftirqd/100:27:131
27055993327,4cyclictest25-21ksoftirqd/123:56:581
27055993327,4cyclictest25-21ksoftirqd/123:13:341
27055993327,4cyclictest25-21ksoftirqd/121:43:191
27055993327,4cyclictest25-21ksoftirqd/119:56:401
27055993327,4cyclictest25-21ksoftirqd/119:42:131
27055993327,4cyclictest25-21ksoftirqd/100:38:141
27055993327,4cyclictest25-21ksoftirqd/100:15:311
27055993326,4cyclictest25-21ksoftirqd/122:33:341
27054993328,3cyclictest9-21ksoftirqd/023:53:160
27054993328,3cyclictest9-21ksoftirqd/023:00:530
27054993328,3cyclictest9-21ksoftirqd/021:02:420
27054993328,3cyclictest9-21ksoftirqd/020:57:100
27054993328,3cyclictest27225-21latency_hist21:25:000
27054993327,4cyclictest9-21ksoftirqd/023:21:420
27054993327,4cyclictest9-21ksoftirqd/021:31:140
27054993327,4cyclictest9-21ksoftirqd/021:06:310
27054993327,4cyclictest9-21ksoftirqd/000:08:370
27054993327,4cyclictest9-21ksoftirqd/000:01:270
27056993227,3cyclictest33-21ksoftirqd/223:47:412
27056993227,3cyclictest33-21ksoftirqd/223:08:442
27056993226,4cyclictest33-21ksoftirqd/223:34:362
27056993226,4cyclictest33-21ksoftirqd/220:28:582
27055993227,3cyclictest25-21ksoftirqd/122:20:121
27055993227,3cyclictest25-21ksoftirqd/121:31:101
27055993227,3cyclictest16281-21cat22:10:011
27055993226,4cyclictest25-21ksoftirqd/121:05:361
27055993226,4cyclictest25-21ksoftirqd/120:53:441
27055993226,4cyclictest25-21ksoftirqd/120:01:571
27055993226,3cyclictest25-21ksoftirqd/100:04:161
27054993227,3cyclictest9-21ksoftirqd/023:56:130
27054993227,3cyclictest9-21ksoftirqd/023:17:130
27054993227,3cyclictest9-21ksoftirqd/022:21:530
27054993227,3cyclictest9-21ksoftirqd/000:37:010
27054993226,4cyclictest9-21ksoftirqd/020:48:100
27054993226,3cyclictest9-21ksoftirqd/019:15:310
27056993126,3cyclictest33-21ksoftirqd/220:17:212
27056993125,4cyclictest33-21ksoftirqd/223:55:592
27056993125,4cyclictest33-21ksoftirqd/222:36:432
27056993125,4cyclictest33-21ksoftirqd/221:26:232
27056993125,3cyclictest33-21ksoftirqd/221:00:002
27055993126,3cyclictest25-21ksoftirqd/123:01:571
27055993126,3cyclictest25-21ksoftirqd/121:15:311
27055993126,3cyclictest25-21ksoftirqd/119:38:141
27055993126,3cyclictest25-21ksoftirqd/119:26:591
27055993125,4cyclictest25-21ksoftirqd/119:13:191
27055993125,3cyclictest25-21ksoftirqd/122:11:481
27055993125,3cyclictest25-21ksoftirqd/100:30:201
27054993126,3cyclictest9-21ksoftirqd/021:49:400
27054993126,3cyclictest9-21ksoftirqd/019:53:260
27054993126,3cyclictest9-21ksoftirqd/019:13:110
27054993125,4cyclictest9-21ksoftirqd/023:46:060
27054993125,4cyclictest9-21ksoftirqd/021:44:340
27054993125,4cyclictest9-21ksoftirqd/021:36:080
27054993125,4cyclictest9-21ksoftirqd/020:42:280
27054993125,4cyclictest9-21ksoftirqd/020:42:280
27054993125,4cyclictest9-21ksoftirqd/020:24:470
27054993125,4cyclictest9-21ksoftirqd/019:42:150
215712310,4sleep021575-21ptp4l23:25:230
27056993026,3cyclictest33-21ksoftirqd/219:30:002
27056993025,3cyclictest33-21ksoftirqd/222:41:372
27056993025,3cyclictest33-21ksoftirqd/222:01:142
27056993025,3cyclictest33-21ksoftirqd/221:11:322
27056993025,3cyclictest33-21ksoftirqd/220:20:102
27056993025,3cyclictest33-21ksoftirqd/200:03:572
27056993024,4cyclictest33-21ksoftirqd/221:04:172
27056993024,4cyclictest33-21ksoftirqd/219:14:002
27055993025,3cyclictest25-21ksoftirqd/123:46:431
27055993025,3cyclictest25-21ksoftirqd/123:36:081
27055993025,3cyclictest25-21ksoftirqd/119:52:011
27055993024,4cyclictest25-21ksoftirqd/123:17:431
27055993024,4cyclictest25-21ksoftirqd/100:23:501
27055993024,3cyclictest25-21ksoftirqd/120:05:131
27054993025,3cyclictest9-21ksoftirqd/022:45:140
27054993025,3cyclictest9-21ksoftirqd/022:36:380
27054993025,3cyclictest9-21ksoftirqd/021:12:570
27054993025,3cyclictest9-21ksoftirqd/020:38:160
27054993024,4cyclictest9-21ksoftirqd/022:57:080
27054993024,4cyclictest9-21ksoftirqd/020:27:240
27056992924,3cyclictest33-21ksoftirqd/223:02:112
27056992924,3cyclictest33-21ksoftirqd/222:57:592
27056992924,3cyclictest33-21ksoftirqd/221:53:302
27056992924,3cyclictest33-21ksoftirqd/219:17:242
27056992924,3cyclictest33-21ksoftirqd/200:34:142
27055992925,2cyclictest25-21ksoftirqd/119:45:221
27055992924,3cyclictest25-21ksoftirqd/122:17:291
27055992924,3cyclictest25-21ksoftirqd/120:30:111
27054992924,3cyclictest9-21ksoftirqd/023:37:400
27054992924,3cyclictest9-21ksoftirqd/023:10:110
27054992924,3cyclictest9-21ksoftirqd/022:13:470
27054992924,3cyclictest9-21ksoftirqd/021:58:430
27054992924,3cyclictest9-21ksoftirqd/020:30:120
27054992924,3cyclictest9-21ksoftirqd/000:32:140
27056992824,3cyclictest33-21ksoftirqd/200:05:142
27056992823,3cyclictest33-21ksoftirqd/220:39:042
27056992823,3cyclictest33-21ksoftirqd/219:53:392
27055992823,3cyclictest25-21ksoftirqd/122:35:201
27055992823,3cyclictest25-21ksoftirqd/121:24:591
27055992823,3cyclictest25-21ksoftirqd/120:29:371
27055992823,3cyclictest25-21ksoftirqd/100:05:081
27055992822,4cyclictest25-21ksoftirqd/123:40:541
27055992822,4cyclictest25-21ksoftirqd/119:30:401
27054992823,3cyclictest9-21ksoftirqd/000:15:110
27054992822,4cyclictest9-21ksoftirqd/023:44:300
27054992822,4cyclictest9-21ksoftirqd/020:01:130
27054992822,4cyclictest9-21ksoftirqd/019:21:370
27054992821,4cyclictest9-21ksoftirqd/023:08:350
27056992722,3cyclictest33-21ksoftirqd/223:11:372
27055992722,3cyclictest25-21ksoftirqd/100:14:151
27055992721,4cyclictest25-21ksoftirqd/121:59:441
27055992721,4cyclictest25-21ksoftirqd/119:19:411
27054992722,3cyclictest9-21ksoftirqd/022:53:460
27054992722,3cyclictest2177-21/usr/sbin/munin19:25:130
27054992721,4cyclictest9-21ksoftirqd/022:42:460
27055992621,3cyclictest25-21ksoftirqd/120:42:001
27055992621,3cyclictest25-21ksoftirqd/120:42:001
27055992620,4cyclictest25-21ksoftirqd/120:35:171
27055992620,3cyclictest25-21ksoftirqd/123:31:351
27056992519,4cyclictest33-21ksoftirqd/223:20:482
27056992519,4cyclictest33-21ksoftirqd/200:13:482
27055992520,3cyclictest25-21ksoftirqd/122:00:101
27054992519,4cyclictest9-21ksoftirqd/022:08:320
27056992419,3cyclictest33-21ksoftirqd/220:11:062
27054992419,3cyclictest9-21ksoftirqd/000:10:320
27056992318,3cyclictest33-21ksoftirqd/219:36:052
27054992317,4cyclictest9-21ksoftirqd/022:27:390
27054992316,4cyclictest7529-21fw_packets21:50:140
27056992216,4cyclictest33-21ksoftirqd/221:36:382
27055992216,4cyclictest25-21ksoftirqd/123:51:051
41298210,6rtkit-daemon0-21swapper/220:33:452
27056992015,3cyclictest14803-21hddtemp_smartct00:20:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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