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2026-04-22 - 04:35
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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 rackdslot1.osadl.org (updated Wed Apr 22, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491900,3ptp4l1317-21runrttasks21:18:310
134491900,3ptp4l1317-21runrttasks21:18:310
134491660,5ptp4l0-21swapper/021:35:220
134491660,3ptp4l29972-21apt-get20:10:112
134491650,4ptp4l10325-21ntp_states19:25:210
134491620,5ptp4l3701-21timerandwakeup20:20:260
134491610,4ptp4l0-21swapper/019:45:150
134491610,3ptp4l28435-21df_inode23:35:152
215099601,56cyclictest0-21swapper/319:43:493
134491590,24ptp4l25-21ksoftirqd/123:26:091
134491580,4ptp4l0-21swapper/123:19:181
134491580,4ptp4l0-21swapper/022:06:130
134491570,3ptp4l0-21swapper/122:34:031
134491570,3ptp4l0-21swapper/122:05:191
134491570,3ptp4l0-21swapper/119:31:331
134491560,4ptp4l0-21swapper/119:57:051
134491560,3ptp4l0-21swapper/221:45:232
134491560,3ptp4l0-21swapper/119:25:201
134491560,3ptp4l0-21swapper/119:15:231
134491560,1ptp4l401ktimersoftd/322:10:003
134491550,4ptp4l0-21swapper/123:05:131
134491550,4ptp4l0-21swapper/021:07:540
134491550,3ptp4l0-21swapper/300:31:593
134491550,3ptp4l0-21swapper/220:45:162
146122540,5sleep20-21swapper/219:35:182
134491540,4ptp4l0-21swapper/220:50:442
134491540,4ptp4l0-21swapper/022:19:570
134491530,4ptp4l0-21swapper/221:00:492
134491530,4ptp4l0-21swapper/121:28:421
134491530,4ptp4l0-21swapper/120:16:251
134491530,4ptp4l0-21swapper/120:16:251
134491530,4ptp4l0-21swapper/100:38:541
134491530,4ptp4l0-21swapper/021:52:160
134491530,3ptp4l0-21swapper/200:00:232
134491520,4ptp4l0-21swapper/221:22:082
134491520,4ptp4l0-21swapper/220:15:192
134491520,4ptp4l0-21swapper/220:15:192
134491520,4ptp4l0-21swapper/120:39:471
134491520,4ptp4l0-21swapper/120:05:001
134491520,3ptp4l0-21swapper/020:28:160
134491510,6ptp4l41-21ksoftirqd/321:10:283
134491510,4ptp4l0-21swapper/219:26:382
134491510,4ptp4l0-21swapper/020:12:470
134491510,4ptp4l0-21swapper/020:06:160
134491510,2ptp4l32375-21runrttasks23:43:310
134491500,4ptp4l0-21swapper/122:27:291
134491500,4ptp4l0-21swapper/023:49:160
134491500,4ptp4l0-21swapper/019:35:490
134491500,3ptp4l0-21swapper/221:32:262
215099491,47cyclictest0-21swapper/323:30:503
134491490,4ptp4l0-21swapper/120:21:471
134491490,4ptp4l0-21swapper/019:41:360
134491490,3ptp4l0-21swapper/120:57:171
46198480,4rtkit-daemon0-21swapper/021:02:410
134491480,8ptp4l0-21swapper/019:21:190
134491480,5ptp4l0-21swapper/019:06:050
134491480,4ptp4l0-21swapper/220:08:482
134491480,4ptp4l0-21swapper/021:29:480
134491480,3ptp4l0-21swapper/222:44:252
134491480,3ptp4l0-21swapper/020:33:460
134491480,3ptp4l0-21swapper/000:22:140
134491480,3ptp4l0-21swapper/000:07:190
134491480,3ptp4l0-21swapper/000:07:190
134491480,11ptp4l0-21swapper/022:23:430
134491470,4ptp4l0-21swapper/022:40:330
134491470,3ptp4l0-21swapper/100:25:011
215099462,42cyclictest0-21swapper/323:22:203
215099461,44cyclictest0-21swapper/323:40:493
134491460,4ptp4l10712-21ls20:35:290
134491450,5ptp4l25835-21apt-get23:30:122
134491450,5ptp4l0-21swapper/320:55:213
134491450,4ptp4l0-21swapper/219:16:302
134491450,4ptp4l0-21swapper/121:43:511
134491450,3ptp4l0-21swapper/221:41:552
134491450,10ptp4l0-21swapper/023:10:430
134491450,10ptp4l0-21swapper/020:50:300
134491440,4ptp4l6021-21ls19:15:260
134491440,4ptp4l19888-21ls19:45:242
134491440,4ptp4l0-21swapper/300:10:373
134491440,4ptp4l0-21swapper/221:29:452
134491440,4ptp4l0-21swapper/023:50:340
134491430,9ptp4l0-21swapper/023:21:270
134491430,7ptp4l0-21swapper/323:53:273
134491430,5ptp4l5953-21memory23:55:200
134491430,5ptp4l14103-21fschecks_count20:45:153
134491430,5ptp4l0-21swapper/319:30:123
134491430,4ptp4l7532-21df00:00:150
134491430,4ptp4l1770-21ls23:45:262
134491430,4ptp4l16263-21apt-get20:50:131
134491430,4ptp4l0-21swapper/021:13:000
134491430,4ptp4l0-21swapper/020:57:410
134491430,4ptp4l0-21swapper/020:43:180
134491430,3ptp4l0-21swapper/200:20:362
134491430,3ptp4l0-21swapper/119:42:321
215099421,40cyclictest0-21swapper/300:23:093
2148994236,3cyclictest25-21ksoftirqd/100:20:001
2146994235,4cyclictest9-21ksoftirqd/023:40:000
134491420,9ptp4l0-21swapper/020:18:070
134491420,9ptp4l0-21swapper/020:18:070
134491420,5ptp4l16179-21apt-get22:00:030
134491420,5ptp4l13090-21ntp_states23:00:233
134491420,5ptp4l0-21swapper/021:55:580
134491420,5ptp4l0-21swapper/000:25:220
134491420,4ptp4l6845-21apt-get20:30:122
134491420,4ptp4l6115-21ntp_states23:55:213
134491420,4ptp4l3275-21iostat_ios23:50:182
134491420,4ptp4l28205-21apt-get22:25:130
134491420,4ptp4l27823-21apt-get21:15:142
134491420,4ptp4l27823-21apt-get21:15:142
134491420,4ptp4l26267-21hddtemp_smartct23:30:171
134491420,4ptp4l2557-21diskstats20:20:142
134491420,4ptp4l2251-21apt-get19:10:100
134491420,4ptp4l214899cyclictest00:30:001
134491420,4ptp4l14929-21diskstats00:15:142
134491420,4ptp4l0-21swapper/223:25:272
134491420,4ptp4l0-21swapper/121:21:101
134491420,4ptp4l0-21swapper/119:06:231
134491420,4ptp4l0-21swapper/023:33:510
134491420,3ptp4l9834-21apt-get00:05:141
134491420,3ptp4l9834-21apt-get00:05:131
134491420,3ptp4l8740-21ls00:00:261
134491420,3ptp4l0-21swapper/123:51:481
134491420,3ptp4l0-21swapper/120:06:211
134491420,3ptp4l0-21swapper/019:31:490
134491420,10ptp4l0-21swapper/320:08:433
2146994126,6cyclictest9-21ksoftirqd/000:35:040
134691410,1getstats4353-1kworker/2:0H22:04:582
134491410,5ptp4l0-21swapper/322:50:223
134491410,5ptp4l0-21swapper/321:20:143
134491410,5ptp4l0-21swapper/022:10:190
134491410,4ptp4l5305-21df_inode23:55:131
134491410,4ptp4l26649-21ntp_states21:10:252
134491410,4ptp4l23589-21apt-get22:15:122
134491410,4ptp4l0-21swapper/321:25:243
134491410,4ptp4l0-21swapper/220:40:402
134491410,4ptp4l0-21swapper/220:25:282
134491410,4ptp4l0-21swapper/123:20:141
134491410,4ptp4l0-21swapper/122:39:151
134491410,4ptp4l0-21swapper/023:29:240
134491410,4ptp4l0-21swapper/021:49:010
134491410,4ptp4l0-21swapper/000:33:170
134491410,3ptp4l4697-21apt-get21:35:131
134491410,3ptp4l23232-21apt-get21:05:131
134491410,3ptp4l17592-21meminfo22:00:213
134491410,3ptp4l10784-21meminfo00:05:222
134491410,3ptp4l10784-21meminfo00:05:222
134491410,10ptp4l0-21swapper/021:43:130
2149994035,3cyclictest33-21ksoftirqd/200:30:182
134491400,6ptp4l0-21swapper/321:05:143
134491400,5ptp4l24870-21cut00:35:202
134491400,5ptp4l2222-21appstreamcli19:10:002
134491400,5ptp4l214699cyclictest00:15:240
134491400,5ptp4l0-21swapper/319:50:123
134491400,5ptp4l0-21swapper/022:50:260
134491400,5ptp4l0-21swapper/019:50:200
134491400,4ptp4l17936-21users20:50:293
134491400,4ptp4l11817-21apt-get21:50:131
134491400,4ptp4l0-21swapper/323:35:233
134491400,4ptp4l0-21swapper/321:54:103
134491400,4ptp4l0-21swapper/321:35:023
134491400,4ptp4l0-21swapper/320:10:113
134491400,4ptp4l0-21swapper/319:38:553
134491400,4ptp4l0-21swapper/223:05:242
134491400,4ptp4l0-21swapper/222:48:162
134491400,4ptp4l0-21swapper/123:45:161
134491400,4ptp4l0-21swapper/122:55:211
134491400,4ptp4l0-21swapper/122:48:031
134491400,4ptp4l0-21swapper/122:41:091
134491400,4ptp4l0-21swapper/122:23:281
134491400,4ptp4l0-21swapper/120:13:551
134491400,4ptp4l0-21swapper/100:10:201
134491400,4ptp4l0-21swapper/023:00:110
134491400,4ptp4l0-21swapper/021:30:210
134491400,4ptp4l0-21swapper/021:20:210
134491400,4ptp4l0-21swapper/000:11:090
134491400,3ptp4l25678-21df_inode20:00:140
134491400,3ptp4l24014-21memory19:55:200
134491400,3ptp4l11509-21apt-get19:30:122
2150993933,4cyclictest41-21ksoftirqd/320:34:583
2150993933,3cyclictest41-21ksoftirqd/321:45:013
2150993917,20cyclictest0-21swapper/300:25:493
134491390,5ptp4l0-21swapper/320:25:163
134491390,5ptp4l0-21swapper/121:12:031
134491390,5ptp4l0-21swapper/022:36:370
134491390,4ptp4l3344-21grep19:10:233
134491390,4ptp4l21071-21diskstats19:50:151
134491390,4ptp4l10744-21ntpq22:55:230
134491390,4ptp4l0-21swapper/323:49:583
134491390,4ptp4l0-21swapper/323:25:153
134491390,4ptp4l0-21swapper/323:15:273
134491390,4ptp4l0-21swapper/322:47:303
134491390,4ptp4l0-21swapper/322:30:233
134491390,4ptp4l0-21swapper/322:25:153
134491390,4ptp4l0-21swapper/322:16:533
134491390,4ptp4l0-21swapper/322:10:183
134491390,4ptp4l0-21swapper/321:55:403
134491390,4ptp4l0-21swapper/321:45:253
134491390,4ptp4l0-21swapper/321:30:273
134491390,4ptp4l0-21swapper/321:15:163
134491390,4ptp4l0-21swapper/321:15:163
134491390,4ptp4l0-21swapper/320:40:113
134491390,4ptp4l0-21swapper/320:15:213
134491390,4ptp4l0-21swapper/320:15:213
134491390,4ptp4l0-21swapper/319:15:133
134491390,4ptp4l0-21swapper/300:15:253
134491390,4ptp4l0-21swapper/300:00:163
134491390,4ptp4l0-21swapper/222:10:272
134491390,4ptp4l0-21swapper/220:02:472
134491390,4ptp4l0-21swapper/219:55:242
134491390,4ptp4l0-21swapper/219:23:432
134491390,4ptp4l0-21swapper/123:12:181
134491390,4ptp4l0-21swapper/123:01:391
134491390,4ptp4l0-21swapper/122:50:101
134491390,4ptp4l0-21swapper/122:15:151
134491390,4ptp4l0-21swapper/122:13:251
134491390,4ptp4l0-21swapper/122:00:051
134491390,4ptp4l0-21swapper/121:55:551
134491390,4ptp4l0-21swapper/121:45:191
134491390,4ptp4l0-21swapper/121:30:241
134491390,4ptp4l0-21swapper/121:18:531
134491390,4ptp4l0-21swapper/121:18:531
134491390,4ptp4l0-21swapper/120:48:031
134491390,4ptp4l0-21swapper/100:23:461
134491390,4ptp4l0-21swapper/023:05:250
134491390,4ptp4l0-21swapper/022:45:160
134491390,4ptp4l0-21swapper/022:30:280
134491390,4ptp4l0-21swapper/020:47:100
134491390,3ptp4l3895-21ntp_states22:40:253
134491390,3ptp4l30882-21hddtemp_smartct23:40:172
134491390,3ptp4l0-21swapper/222:27:222
134491390,3ptp4l0-21swapper/222:20:222
134491390,2ptp4l24171-21ls21:05:202
134491380,4ptp4l5541-21runrttasks21:35:192
134491380,4ptp4l19210-21fschecks_count23:15:162
134491380,4ptp4l0-21swapper/323:10:223
134491380,4ptp4l0-21swapper/322:35:163
134491380,4ptp4l0-21swapper/322:20:153
134491380,4ptp4l0-21swapper/321:00:233
134491380,4ptp4l0-21swapper/320:35:213
134491380,4ptp4l0-21swapper/320:20:153
134491380,4ptp4l0-21swapper/320:00:183
134491380,4ptp4l0-21swapper/319:58:353
134491380,4ptp4l0-21swapper/319:45:213
134491380,4ptp4l0-21swapper/319:27:473
134491380,4ptp4l0-21swapper/319:20:203
134491380,4ptp4l0-21swapper/300:35:073
134491380,4ptp4l0-21swapper/300:05:143
134491380,4ptp4l0-21swapper/300:05:143
134491380,4ptp4l0-21swapper/223:55:172
134491380,4ptp4l0-21swapper/223:20:282
134491380,4ptp4l0-21swapper/222:55:022
134491380,4ptp4l0-21swapper/221:55:442
134491380,4ptp4l0-21swapper/220:55:002
134491380,4ptp4l0-21swapper/219:50:152
134491380,4ptp4l0-21swapper/123:39:441
134491380,4ptp4l0-21swapper/121:04:571
134491380,4ptp4l0-21swapper/120:41:051
134491380,4ptp4l0-21swapper/120:30:091
134491380,4ptp4l0-21swapper/119:20:351
134491380,4ptp4l0-21swapper/119:10:371
134491380,3ptp4l0-21swapper/222:37:422
134491380,3ptp4l0-21swapper/200:14:282
134491380,3ptp4l0-21swapper/123:43:221
134491380,3ptp4l0-21swapper/120:25:431
134491380,3ptp4l0-21swapper/119:45:271
134491380,3ptp4l0-21swapper/023:15:220
134491370,4ptp4l0-21swapper/323:05:203
134491370,4ptp4l0-21swapper/322:55:363
134491370,4ptp4l0-21swapper/223:10:142
134491370,4ptp4l0-21swapper/222:30:272
134491370,3ptp4l0-21swapper/223:00:132
134491370,3ptp4l0-21swapper/222:54:552
134491370,3ptp4l0-21swapper/222:05:302
134491370,3ptp4l0-21swapper/221:52:252
134491370,3ptp4l0-21swapper/219:41:032
134491370,3ptp4l0-21swapper/119:35:061
134491370,2ptp4l0-21swapper/200:25:282
134491360,3ptp4l0-21swapper/220:35:282
5702225,10sleep30-21swapper/319:05:213
14812124,4sleep20-21swapper/219:07:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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