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2025-11-22 - 12:15
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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 rackdslot3.osadl.org (updated Sat Nov 22, 2025 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37682207173,23sleep30-21swapper/319:08:433
35422204171,22sleep10-21swapper/119:05:561
36432203170,22sleep20-21swapper/219:07:052
35212201168,22sleep00-21swapper/019:05:380
455521330,7sleep2416399cyclictest20:15:252
25352610,2sleep10-21swapper/121:20:181
136991560,1ptp4l401ktimersoftd/323:28:273
41492530,2sleep10-21swapper/122:30:231
141962520,3sleep00-21swapper/020:35:280
136991520,1ptp4l401ktimersoftd/319:17:403
4163994942,4cyclictest25460-21cron22:10:002
4163994942,4cyclictest25460-21cron22:10:002
236242490,1sleep30-21swapper/322:05:143
236242490,1sleep30-21swapper/322:05:133
39182480,2sleep30-21swapper/322:30:213
136991480,1ptp4l401ktimersoftd/323:52:483
136991460,1ptp4l401ktimersoftd/322:29:233
136991450,0ptp4l401ktimersoftd/300:25:443
213792440,2sleep30-21swapper/319:45:133
136991440,0ptp4l401ktimersoftd/320:01:073
136991430,34ptp4l0-21swapper/319:10:013
136991430,1ptp4l401ktimersoftd/323:43:153
136991430,1ptp4l401ktimersoftd/323:43:153
136991420,0ptp4l401ktimersoftd/321:32:133
136991400,0ptp4l401ktimersoftd/322:03:343
4164993935,3cyclictest41-21ksoftirqd/323:00:003
4163993929,8cyclictest33-21ksoftirqd/221:52:252
4161993925,5cyclictest9-21ksoftirqd/022:42:010
136991390,1ptp4l401ktimersoftd/300:34:413
136991390,0ptp4l401ktimersoftd/300:07:343
4163993832,3cyclictest33-21ksoftirqd/220:05:002
416399382,34cyclictest18570-21cron00:09:592
4164993732,3cyclictest41-21ksoftirqd/321:40:003
4164993732,3cyclictest41-21ksoftirqd/321:40:003
4164993731,3cyclictest41-21ksoftirqd/321:05:003
4163993733,3cyclictest33-21ksoftirqd/219:40:002
4163993732,3cyclictest33-21ksoftirqd/200:20:002
4163993729,6cyclictest33-21ksoftirqd/219:26:012
4163993726,9cyclictest33-21ksoftirqd/223:35:172
4162993731,4cyclictest25-21ksoftirqd/123:58:041
416299370,35cyclictest0-21swapper/122:22:061
4164993630,4cyclictest41-21ksoftirqd/322:19:023
4164993630,4cyclictest41-21ksoftirqd/300:22:123
4163993632,3cyclictest33-21ksoftirqd/220:40:002
4163993631,3cyclictest33-21ksoftirqd/221:59:312
4163993631,3cyclictest33-21ksoftirqd/220:49:022
4163993631,3cyclictest33-21ksoftirqd/200:04:592
4163993630,4cyclictest33-21ksoftirqd/222:01:062
4163993630,4cyclictest33-21ksoftirqd/200:36:362
4163993630,3cyclictest33-21ksoftirqd/223:00:002
4164993531,3cyclictest41-21ksoftirqd/320:30:003
4164993529,4cyclictest41-21ksoftirqd/322:49:143
4164993529,4cyclictest41-21ksoftirqd/300:10:063
4164993529,4cyclictest41-21ksoftirqd/300:10:063
4163993532,2cyclictest33-21ksoftirqd/221:40:002
4163993532,2cyclictest33-21ksoftirqd/221:39:592
4163993530,3cyclictest33-21ksoftirqd/223:10:232
4163993530,3cyclictest33-21ksoftirqd/219:20:202
4163993529,4cyclictest33-21ksoftirqd/222:19:332
4163993529,4cyclictest33-21ksoftirqd/221:44:312
4163993529,4cyclictest33-21ksoftirqd/220:20:382
4163993529,4cyclictest33-21ksoftirqd/200:29:272
4163993521,2cyclictest33-21ksoftirqd/220:40:122
4162993529,4cyclictest25-21ksoftirqd/123:51:091
4162993529,4cyclictest25-21ksoftirqd/120:43:121
4162993529,4cyclictest25-21ksoftirqd/100:08:521
59298340,8rtkit-daemon0-21swapper/122:41:211
4164993430,2cyclictest41-21ksoftirqd/322:00:003
4164993429,3cyclictest41-21ksoftirqd/321:25:013
4164993429,3cyclictest41-21ksoftirqd/320:46:143
4164993428,4cyclictest41-21ksoftirqd/322:54:403
4164993428,4cyclictest41-21ksoftirqd/300:19:323
4164993428,3cyclictest41-21ksoftirqd/320:10:223
4163993431,2cyclictest33-21ksoftirqd/200:15:002
4163993431,2cyclictest33-21ksoftirqd/200:15:002
4163993429,3cyclictest33-21ksoftirqd/221:13:092
4163993428,4cyclictest33-21ksoftirqd/223:57:132
4163993428,4cyclictest33-21ksoftirqd/223:16:292
4163993428,4cyclictest33-21ksoftirqd/222:52:372
4163993428,4cyclictest33-21ksoftirqd/222:41:352
4163993428,4cyclictest33-21ksoftirqd/222:34:092
4163993428,4cyclictest33-21ksoftirqd/221:06:382
4163993428,4cyclictest33-21ksoftirqd/221:02:062
4163993428,4cyclictest33-21ksoftirqd/220:28:522
4163993428,4cyclictest33-21ksoftirqd/219:10:062
4162993429,3cyclictest25-21ksoftirqd/123:25:141
4162993428,4cyclictest25-21ksoftirqd/123:21:141
4162993428,4cyclictest25-21ksoftirqd/121:41:411
4162993428,4cyclictest25-21ksoftirqd/119:58:121
4161993428,4cyclictest9-21ksoftirqd/021:31:210
4161993428,4cyclictest9-21ksoftirqd/021:02:000
4161993428,4cyclictest9-21ksoftirqd/000:34:090
4164993328,3cyclictest41-21ksoftirqd/319:25:153
4164993327,4cyclictest41-21ksoftirqd/322:22:023
4164993327,4cyclictest41-21ksoftirqd/321:08:133
4164993327,4cyclictest41-21ksoftirqd/320:31:343
4164993327,4cyclictest41-21ksoftirqd/320:24:373
4164993327,3cyclictest41-21ksoftirqd/323:35:003
4163993328,3cyclictest33-21ksoftirqd/223:28:432
4163993328,3cyclictest33-21ksoftirqd/220:10:092
4163993328,3cyclictest33-21ksoftirqd/219:30:112
4163993328,3cyclictest33-21ksoftirqd/200:30:182
4163993327,4cyclictest33-21ksoftirqd/221:34:522
4163993327,4cyclictest33-21ksoftirqd/220:07:542
4163993327,4cyclictest33-21ksoftirqd/200:24:092
4163993327,3cyclictest33-21ksoftirqd/221:20:022
4163993326,5cyclictest33-21ksoftirqd/221:18:592
4163993322,9cyclictest33-21ksoftirqd/222:50:012
4162993328,3cyclictest25-21ksoftirqd/123:01:351
4162993328,3cyclictest25-21ksoftirqd/120:59:231
4162993328,3cyclictest25-21ksoftirqd/100:03:271
4162993327,4cyclictest25-21ksoftirqd/123:49:131
4162993327,4cyclictest25-21ksoftirqd/123:31:131
4162993327,4cyclictest25-21ksoftirqd/123:06:581
4162993327,4cyclictest25-21ksoftirqd/121:15:371
4162993327,4cyclictest25-21ksoftirqd/120:37:301
4162993327,4cyclictest25-21ksoftirqd/120:23:181
4162993327,4cyclictest25-21ksoftirqd/100:39:531
4162993327,4cyclictest25-21ksoftirqd/100:19:061
4161993327,4cyclictest9-21ksoftirqd/023:38:220
4161993327,4cyclictest9-21ksoftirqd/023:00:150
4161993327,4cyclictest9-21ksoftirqd/022:16:180
4164993228,3cyclictest41-21ksoftirqd/323:35:193
4164993228,3cyclictest41-21ksoftirqd/321:50:143
4164993227,3cyclictest41-21ksoftirqd/320:55:203
4164993227,3cyclictest41-21ksoftirqd/320:20:003
4164993226,4cyclictest41-21ksoftirqd/322:43:253
4163993228,3cyclictest33-21ksoftirqd/222:30:012
4163993227,3cyclictest33-21ksoftirqd/223:45:002
4163993227,3cyclictest33-21ksoftirqd/223:44:592
4163993227,3cyclictest33-21ksoftirqd/220:59:212
4163993226,4cyclictest33-21ksoftirqd/223:23:542
4163993226,4cyclictest33-21ksoftirqd/223:07:552
4163993226,4cyclictest33-21ksoftirqd/220:51:272
4163993221,9cyclictest33-21ksoftirqd/222:10:192
4162993227,3cyclictest25-21ksoftirqd/119:53:011
4162993227,3cyclictest25-21ksoftirqd/119:44:051
4162993227,3cyclictest25-21ksoftirqd/119:44:051
4162993227,3cyclictest25-21ksoftirqd/119:32:321
4162993227,3cyclictest25-21ksoftirqd/100:27:571
4162993226,4cyclictest25-21ksoftirqd/123:14:481
4162993226,4cyclictest25-21ksoftirqd/122:05:401
4162993226,4cyclictest25-21ksoftirqd/122:05:401
4162993226,4cyclictest25-21ksoftirqd/121:30:581
4161993227,3cyclictest1581-21ls21:20:000
4161993226,4cyclictest9-21ksoftirqd/023:22:090
4161993226,4cyclictest9-21ksoftirqd/022:20:100
4161993226,4cyclictest9-21ksoftirqd/021:05:050
4161993226,4cyclictest9-21ksoftirqd/020:40:500
4161993226,3cyclictest9-21ksoftirqd/000:05:100
4164993126,3cyclictest41-21ksoftirqd/323:20:533
4164993126,3cyclictest41-21ksoftirqd/321:46:363
4164993126,3cyclictest41-21ksoftirqd/300:35:133
4164993125,4cyclictest41-21ksoftirqd/323:56:343
4164993125,4cyclictest41-21ksoftirqd/320:36:563
4164993125,4cyclictest41-21ksoftirqd/319:35:173
4164993125,3cyclictest41-21ksoftirqd/322:35:193
4164993124,4cyclictest41-21ksoftirqd/323:19:473
4163993127,2cyclictest33-21ksoftirqd/222:40:002
4163993126,3cyclictest33-21ksoftirqd/219:57:112
4163993126,3cyclictest33-21ksoftirqd/219:50:192
4163993126,3cyclictest33-21ksoftirqd/219:43:292
4163993126,3cyclictest33-21ksoftirqd/219:43:282
4163993125,4cyclictest33-21ksoftirqd/222:22:002
4163993121,9cyclictest33-21ksoftirqd/223:45:252
4163993120,9cyclictest33-21ksoftirqd/223:50:262
4163993120,9cyclictest33-21ksoftirqd/219:45:182
4162993126,3cyclictest25-21ksoftirqd/122:14:591
4162993126,3cyclictest25-21ksoftirqd/121:52:281
4162993126,3cyclictest25-21ksoftirqd/119:26:171
4162993125,4cyclictest25-21ksoftirqd/122:50:571
4162993125,4cyclictest25-21ksoftirqd/121:49:581
4162993125,4cyclictest25-21ksoftirqd/121:07:111
4162993125,4cyclictest25-21ksoftirqd/120:04:441
4162993125,4cyclictest25-21ksoftirqd/119:15:581
4162993123,5cyclictest25-21ksoftirqd/120:49:591
4161993126,3cyclictest9-21ksoftirqd/023:57:470
4161993126,3cyclictest9-21ksoftirqd/022:02:220
4161993126,3cyclictest9-21ksoftirqd/021:46:210
4161993126,3cyclictest9-21ksoftirqd/020:49:000
4161993125,4cyclictest9-21ksoftirqd/023:18:440
4161993125,4cyclictest9-21ksoftirqd/022:49:230
4161993125,4cyclictest9-21ksoftirqd/022:05:390
4161993125,4cyclictest9-21ksoftirqd/022:05:390
4161993125,4cyclictest9-21ksoftirqd/020:30:350
4161993125,4cyclictest9-21ksoftirqd/019:55:000
4161993125,4cyclictest9-21ksoftirqd/019:38:240
4161993125,4cyclictest9-21ksoftirqd/019:18:390
4161993125,4cyclictest9-21ksoftirqd/000:38:500
4161993125,4cyclictest9-21ksoftirqd/000:18:290
1371913126,2phc2sys41-21ksoftirqd/323:45:133
4164993026,3cyclictest41-21ksoftirqd/319:20:093
4164993025,3cyclictest41-21ksoftirqd/319:40:353
4164993025,3cyclictest41-21ksoftirqd/319:40:353
4164993024,4cyclictest41-21ksoftirqd/321:41:193
4164993024,4cyclictest41-21ksoftirqd/321:29:593
4164993024,3cyclictest41-21ksoftirqd/320:05:193
4163993025,3cyclictest33-21ksoftirqd/223:01:242
4163993024,4cyclictest33-21ksoftirqd/221:27:502
4162993026,2cyclictest25-21ksoftirqd/120:07:401
4162993025,3cyclictest25-21ksoftirqd/122:39:141
4162993025,3cyclictest25-21ksoftirqd/122:18:311
4162993024,4cyclictest25-21ksoftirqd/121:11:401
4162993024,4cyclictest25-21ksoftirqd/120:27:591
4161993025,3cyclictest9-21ksoftirqd/023:49:130
4161993025,3cyclictest9-21ksoftirqd/021:44:280
4161993025,3cyclictest9-21ksoftirqd/021:35:130
4161993025,3cyclictest9-21ksoftirqd/021:35:130
4161993025,3cyclictest9-21ksoftirqd/000:11:550
4161993025,3cyclictest9-21ksoftirqd/000:11:540
4161993024,4cyclictest9-21ksoftirqd/023:11:500
4161993024,4cyclictest9-21ksoftirqd/022:26:360
4161993024,4cyclictest9-21ksoftirqd/020:24:090
4161993024,4cyclictest9-21ksoftirqd/020:16:190
4161993023,4cyclictest9-21ksoftirqd/020:55:380
4164992924,3cyclictest41-21ksoftirqd/323:03:113
4164992924,3cyclictest41-21ksoftirqd/321:16:243
4164992923,4cyclictest41-21ksoftirqd/319:59:253
4163992923,4cyclictest33-21ksoftirqd/223:31:542
4163992923,4cyclictest33-21ksoftirqd/221:45:392
4162992923,4cyclictest25-21ksoftirqd/121:28:091
4162992923,4cyclictest25-21ksoftirqd/100:13:291
4162992923,4cyclictest25-21ksoftirqd/100:13:291
4161992924,3cyclictest9-21ksoftirqd/021:13:230
4161992924,3cyclictest9-21ksoftirqd/019:30:420
4161992924,3cyclictest9-21ksoftirqd/000:03:330
4161992923,4cyclictest9-21ksoftirqd/022:39:200
4161992923,4cyclictest9-21ksoftirqd/022:13:010
4161992923,4cyclictest9-21ksoftirqd/019:59:380
4161992922,5cyclictest9-21ksoftirqd/020:01:100
136991290,0ptp4l401ktimersoftd/323:06:213
136991290,0ptp4l401ktimersoftd/320:44:473
136991290,0ptp4l401ktimersoftd/319:50:523
4164992824,2cyclictest41-21ksoftirqd/321:10:133
4163992824,3cyclictest33-21ksoftirqd/219:15:152
4162992823,3cyclictest25-21ksoftirqd/122:56:061
4162992823,3cyclictest25-21ksoftirqd/120:13:561
4162992823,3cyclictest25-21ksoftirqd/100:35:001
4162992822,4cyclictest25-21ksoftirqd/123:16:161
4162992822,4cyclictest25-21ksoftirqd/122:00:061
4162992822,4cyclictest25-21ksoftirqd/119:48:041
4161992823,3cyclictest9-21ksoftirqd/022:52:040
4161992823,3cyclictest9-21ksoftirqd/020:14:310
4161992823,3cyclictest9-21ksoftirqd/020:08:350
4161992823,3cyclictest9-21ksoftirqd/019:46:380
4161992823,3cyclictest9-21ksoftirqd/000:23:280
4161992822,4cyclictest9-21ksoftirqd/023:31:190
4161992822,4cyclictest9-21ksoftirqd/022:34:070
4161992822,4cyclictest9-21ksoftirqd/020:54:260
136991280,0ptp4l401ktimersoftd/320:54:573
4164992723,2cyclictest41-21ksoftirqd/319:30:213
4164992722,3cyclictest41-21ksoftirqd/322:13:403
4164992722,3cyclictest41-21ksoftirqd/300:03:033
4163992721,3cyclictest33-21ksoftirqd/220:30:182
4162992721,4cyclictest25-21ksoftirqd/120:31:521
4162992721,4cyclictest25-21ksoftirqd/119:10:571
4162992720,5cyclictest25-21ksoftirqd/119:24:491
4161992621,3cyclictest9-21ksoftirqd/023:40:020
4161992621,3cyclictest9-21ksoftirqd/023:40:020
4161992621,3cyclictest9-21ksoftirqd/023:26:240
4161992620,4cyclictest9-21ksoftirqd/023:09:370
228352260,3sleep322839-21fschecks_time23:10:213
4162992520,3cyclictest25-21ksoftirqd/121:56:161
4162992519,4cyclictest25-21ksoftirqd/123:41:071
4162992519,4cyclictest25-21ksoftirqd/123:41:071
4162992519,4cyclictest25-21ksoftirqd/120:54:391
4162992519,4cyclictest25-21ksoftirqd/100:24:551
4161992520,3cyclictest9-21ksoftirqd/021:29:360
4161992520,3cyclictest9-21ksoftirqd/019:10:320
4161992519,4cyclictest9-21ksoftirqd/020:28:180
4162992419,3cyclictest25-21ksoftirqd/121:04:501
4162992418,4cyclictest25-21ksoftirqd/120:15:361
4161992419,3cyclictest9-21ksoftirqd/022:59:090
4161992419,3cyclictest9-21ksoftirqd/021:54:490
4162992318,3cyclictest25-21ksoftirqd/123:37:011
4162992318,3cyclictest25-21ksoftirqd/122:48:161
4162992318,3cyclictest11144-21latency_hist21:40:001
4162992318,3cyclictest11144-21latency_hist21:40:001
4162992217,3cyclictest25-21ksoftirqd/122:26:291
4161992217,3cyclictest9-21ksoftirqd/019:40:410
4161992217,3cyclictest9-21ksoftirqd/019:40:400
4161992216,3cyclictest9-21ksoftirqd/019:25:000
4162992015,3cyclictest16720-21df_inode19:35:131
4161991914,3cyclictest9-21ksoftirqd/021:56:250
4161991712,3cyclictest26132-21cpuspeed_turbos00:25:120
4161991712,3cyclictest2132-21expr21:20:150
4161991711,3cyclictest9280-21expr23:50:130
416199162,8cyclictest11334-21apt-get19:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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