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2025-11-18 - 19:06
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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 Tue Nov 18, 2025 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191237170,22phc2sys0-21swapper/307:06:183
300842213164,22sleep10-21swapper/107:08:131
300232205172,22sleep20-21swapper/207:07:262
280732203169,23sleep00-21swapper/007:05:010
2631521370,4sleep13052899cyclictest11:30:031
3052899660,25cyclictest5155-21tail09:35:321
3052899590,30cyclictest1975-21dpkg08:25:151
3052899580,23cyclictest22886-21expr11:20:281
3052799587,20cyclictest1900-21cut09:30:210
3052799586,15cyclictest17670-21cut08:55:270
3052899578,18cyclictest15884-21expr12:15:161
3052899571,22cyclictest1843-21cut11:45:191
3052799576,16cyclictest22717-21grep08:00:180
3052799565,16cyclictest18963-21cpu11:15:130
3052799562,16cyclictest0-21swapper/012:10:170
136991560,1ptp4l401ktimersoftd/311:24:253
136991560,1ptp4l401ktimersoftd/308:09:583
3052899550,22cyclictest5567-21dpkg07:25:121
3052799555,11cyclictest6903-21gzip07:25:250
3052799542,16cyclictest0-21swapper/011:50:150
3052899530,24cyclictest11579-21awk08:45:141
3052899530,23cyclictest26516-21gunzip12:35:281
3052899511,24cyclictest20080-21mailstats09:00:261
3052899511,22cyclictest27889-21seq09:18:521
3052899500,22cyclictest22534-21expr08:00:161
59298490,2rtkit-daemon0-21swapper/311:27:443
3052899480,22cyclictest19575-21seq10:06:261
3052799486,8cyclictest9649-21sensors09:45:270
3052799485,13cyclictest10596-21df07:35:140
3052899470,22cyclictest3793-21unixbench_multi10:40:311
3052799475,9cyclictest23562-21ls10:15:210
3052799475,15cyclictest6751-21/usr/sbin/munin08:35:250
3052799475,15cyclictest31978-21/usr/sbin/munin08:20:230
3052799475,15cyclictest19527-21sed09:00:200
3052899460,22cyclictest5202-21sed08:30:201
3052999453,39cyclictest22539-21cron12:30:002
3052899451,21cyclictest22561-21switchtime09:05:271
3052799456,7cyclictest11790-21irqstats12:05:210
3052799455,12cyclictest27695-21df_inode10:25:160
3052899440,23cyclictest13357-21irqrtprio07:40:181
3052799445,36cyclictest19751-21grep07:55:010
3052799444,7cyclictest10075-21irqstats08:40:220
136991430,1ptp4l401ktimersoftd/311:52:553
3052899423,22cyclictest19082-21unixbench_multi07:50:251
3052899420,23cyclictest8164-21cat09:45:001
136991420,0ptp4l401ktimersoftd/309:50:323
3052899412,37cyclictest24911-21cron12:35:001
3052799414,7cyclictest28985-21hddtemp_smartct09:20:180
3052799414,7cyclictest28985-21hddtemp_smartct09:20:180
1371914132,4phc2sys0-21swapper/307:10:003
30529994033,4cyclictest33-21ksoftirqd/211:35:122
30528994015,18cyclictest0-21swapper/107:20:241
3052899400,22cyclictest8989-21cut09:45:211
3052899400,22cyclictest7185-21cat11:55:211
3052899400,18cyclictest0-21swapper/112:05:231
3052799404,12cyclictest22639-21ps11:20:240
3052799403,7cyclictest13083-21diskstats07:40:130
30529993933,3cyclictest33-21ksoftirqd/208:30:002
30529993932,4cyclictest33-21ksoftirqd/210:46:582
3052899390,22cyclictest10595-21expr07:35:151
30530993831,5cyclictest41-21ksoftirqd/310:07:263
30529993820,16cyclictest23505-21cron11:25:002
3052899381,19cyclictest31063-21/usr/sbin/munin09:25:161
3052799383,7cyclictest32105-21memory09:25:210
3052899370,22cyclictest17437-21awk08:55:251
3052899370,22cyclictest1169-21irqrtprio07:15:221
30530993630,4cyclictest41-21ksoftirqd/311:56:333
30530993630,4cyclictest41-21ksoftirqd/308:38:073
30530993630,4cyclictest41-21ksoftirqd/307:33:383
30529993631,3cyclictest33-21ksoftirqd/211:02:532
30529993630,4cyclictest33-21ksoftirqd/212:09:082
30529993630,4cyclictest33-21ksoftirqd/211:48:422
30529993630,4cyclictest33-21ksoftirqd/211:35:002
30529993630,4cyclictest33-21ksoftirqd/209:17:192
30529993630,4cyclictest33-21ksoftirqd/207:21:452
30529993630,3cyclictest33-21ksoftirqd/209:02:582
30529993629,4cyclictest33-21ksoftirqd/207:25:022
30529993622,12cyclictest33-21ksoftirqd/212:25:002
30530993530,3cyclictest41-21ksoftirqd/312:25:003
30530993529,4cyclictest41-21ksoftirqd/310:26:393
30530993529,4cyclictest41-21ksoftirqd/309:48:123
30530993529,4cyclictest41-21ksoftirqd/307:19:043
30530993528,5cyclictest41-21ksoftirqd/309:41:103
3053099351,32cyclictest25578-21cron09:15:003
30529993529,4cyclictest33-21ksoftirqd/210:51:412
30529993529,4cyclictest33-21ksoftirqd/210:43:312
30529993529,4cyclictest33-21ksoftirqd/209:23:412
30529993529,4cyclictest33-21ksoftirqd/209:23:402
30529993529,4cyclictest33-21ksoftirqd/208:54:202
30529993529,4cyclictest33-21ksoftirqd/207:41:312
30528993513,18cyclictest24174-21grep11:25:191
3052899351,17cyclictest0-21swapper/108:35:221
30527993528,4cyclictest2708-21cron07:20:010
30530993430,3cyclictest41-21ksoftirqd/311:40:133
30530993430,3cyclictest41-21ksoftirqd/311:18:353
30530993428,4cyclictest41-21ksoftirqd/312:14:223
30530993428,4cyclictest41-21ksoftirqd/311:06:273
30530993428,4cyclictest41-21ksoftirqd/309:56:503
30530993428,4cyclictest41-21ksoftirqd/307:38:033
30530993427,5cyclictest41-21ksoftirqd/309:37:213
30529993429,3cyclictest33-21ksoftirqd/210:21:342
30529993429,3cyclictest33-21ksoftirqd/208:24:362
30529993429,3cyclictest33-21ksoftirqd/208:01:322
30529993428,4cyclictest33-21ksoftirqd/211:10:352
30529993428,4cyclictest33-21ksoftirqd/210:32:332
30529993428,4cyclictest33-21ksoftirqd/209:59:552
30529993428,4cyclictest33-21ksoftirqd/209:13:372
30529993428,4cyclictest33-21ksoftirqd/207:58:242
30529993428,4cyclictest33-21ksoftirqd/207:12:432
30528993428,4cyclictest25-21ksoftirqd/112:14:161
30528993428,4cyclictest25-21ksoftirqd/112:01:281
30528993428,4cyclictest25-21ksoftirqd/110:57:381
30528993428,4cyclictest25-21ksoftirqd/110:23:121
30528993428,4cyclictest25-21ksoftirqd/110:17:591
30528993428,4cyclictest25-21ksoftirqd/110:10:451
30528993427,5cyclictest25-21ksoftirqd/112:23:361
3052799343,19cyclictest0-21swapper/011:40:170
30527993429,3cyclictest9-21ksoftirqd/007:15:000
30527993428,4cyclictest9-21ksoftirqd/008:53:420
136991340,0ptp4l401ktimersoftd/310:00:133
30530993327,4cyclictest41-21ksoftirqd/312:09:493
30530993327,4cyclictest41-21ksoftirqd/310:31:043
30529993328,3cyclictest33-21ksoftirqd/212:17:482
30529993328,3cyclictest33-21ksoftirqd/209:42:292
30529993328,3cyclictest33-21ksoftirqd/208:31:142
30529993327,4cyclictest33-21ksoftirqd/211:26:552
30529993327,4cyclictest33-21ksoftirqd/211:19:532
30529993327,4cyclictest33-21ksoftirqd/210:08:332
30529993327,4cyclictest33-21ksoftirqd/209:27:092
30529993327,4cyclictest33-21ksoftirqd/208:41:282
30529993327,3cyclictest33-21ksoftirqd/211:10:022
30528993328,3cyclictest25-21ksoftirqd/110:54:131
30528993327,4cyclictest25-21ksoftirqd/111:12:141
30528993327,4cyclictest25-21ksoftirqd/110:39:571
30528993327,4cyclictest25-21ksoftirqd/109:51:111
30528993327,4cyclictest25-21ksoftirqd/109:32:141
30528993327,4cyclictest25-21ksoftirqd/109:22:221
30528993327,4cyclictest25-21ksoftirqd/109:22:221
30528993327,4cyclictest25-21ksoftirqd/107:58:501
30528993326,5cyclictest25-21ksoftirqd/110:28:051
3052799333,20cyclictest0-21swapper/009:50:150
3052799333,12cyclictest4891-21hddtemp_smartct08:30:160
30527993327,4cyclictest9-21ksoftirqd/011:10:530
30527993326,4cyclictest9-21ksoftirqd/010:30:420
3052799332,11cyclictest0-21swapper/011:35:180
136991330,0ptp4l401ktimersoftd/309:18:533
30530993229,1cyclictest136991ptp4l11:46:443
30530993228,3cyclictest41-21ksoftirqd/308:14:543
30530993227,3cyclictest41-21ksoftirqd/309:00:153
30530993226,4cyclictest41-21ksoftirqd/312:30:393
30530993226,4cyclictest41-21ksoftirqd/309:24:573
30530993226,4cyclictest41-21ksoftirqd/309:24:573
30530993226,4cyclictest41-21ksoftirqd/309:07:013
30530993226,4cyclictest41-21ksoftirqd/308:34:093
30530993226,4cyclictest41-21ksoftirqd/308:26:583
30530993226,4cyclictest41-21ksoftirqd/308:21:073
30529993227,3cyclictest33-21ksoftirqd/212:02:552
30529993227,3cyclictest33-21ksoftirqd/210:12:342
30529993227,3cyclictest33-21ksoftirqd/209:53:142
30529993227,3cyclictest33-21ksoftirqd/208:39:142
30529993226,4cyclictest33-21ksoftirqd/211:43:202
30529993226,4cyclictest33-21ksoftirqd/210:59:482
30529993226,4cyclictest33-21ksoftirqd/210:26:572
30529993226,4cyclictest33-21ksoftirqd/209:30:382
3052799324,12cyclictest30625-21meminfo08:15:230
30527993227,3cyclictest9-21ksoftirqd/010:57:410
30527993227,3cyclictest9-21ksoftirqd/009:05:080
30527993226,4cyclictest9-21ksoftirqd/010:42:450
30527993225,5cyclictest9-21ksoftirqd/012:35:000
30530993126,3cyclictest41-21ksoftirqd/312:18:073
30530993126,3cyclictest41-21ksoftirqd/307:49:143
30530993125,4cyclictest41-21ksoftirqd/312:04:033
30530993125,4cyclictest41-21ksoftirqd/311:02:333
30530993125,4cyclictest41-21ksoftirqd/310:49:063
30530993125,4cyclictest41-21ksoftirqd/308:45:343
30529993126,3cyclictest33-21ksoftirqd/212:12:392
30529993126,3cyclictest33-21ksoftirqd/210:39:402
30529993126,3cyclictest33-21ksoftirqd/209:37:162
30529993125,4cyclictest33-21ksoftirqd/208:57:122
30529993125,4cyclictest33-21ksoftirqd/208:13:042
30529993125,4cyclictest33-21ksoftirqd/207:35:042
30528993126,3cyclictest25-21ksoftirqd/107:32:111
30528993125,4cyclictest25-21ksoftirqd/109:14:531
30528993125,4cyclictest25-21ksoftirqd/108:13:311
30528993125,4cyclictest25-21ksoftirqd/107:10:571
30528993115,13cyclictest13905-21kernelversion09:55:191
30528993114,14cyclictest10375-21pluginstate08:40:241
3052799313,16cyclictest0-21swapper/012:15:170
3052799313,16cyclictest0-21swapper/009:40:290
30527993126,3cyclictest9-21ksoftirqd/010:06:330
30527993125,4cyclictest9-21ksoftirqd/010:10:550
3052799312,18cyclictest0-21swapper/009:35:230
3052799312,17cyclictest0-21swapper/011:45:200
3052799311,16cyclictest0-21swapper/012:25:140
136991310,9ptp4l401ktimersoftd/307:57:013
136991310,0ptp4l401ktimersoftd/311:10:143
136991310,0ptp4l401ktimersoftd/308:51:463
30530993025,3cyclictest41-21ksoftirqd/311:30:563
30530993025,3cyclictest41-21ksoftirqd/310:11:373
30530993025,3cyclictest41-21ksoftirqd/308:18:283
30530993024,4cyclictest41-21ksoftirqd/312:37:373
30530993024,4cyclictest41-21ksoftirqd/308:43:173
30530993024,3cyclictest41-21ksoftirqd/309:30:143
30529993025,3cyclictest33-21ksoftirqd/210:03:002
30529993024,4cyclictest33-21ksoftirqd/208:18:462
30529993024,4cyclictest33-21ksoftirqd/208:06:212
30529993024,4cyclictest33-21ksoftirqd/207:31:392
30529993024,4cyclictest33-21ksoftirqd/207:18:462
30528993024,4cyclictest25-21ksoftirqd/110:32:071
30528993013,15cyclictest708-21netstat08:20:221
3052799303,16cyclictest0-21swapper/010:20:200
30527993025,3cyclictest9-21ksoftirqd/011:29:380
30527993025,3cyclictest9-21ksoftirqd/011:05:000
30527993023,4cyclictest9-21ksoftirqd/008:25:060
3052799302,17cyclictest0-21swapper/011:30:170
3052799302,17cyclictest0-21swapper/010:00:190
3052799302,17cyclictest0-21swapper/009:55:190
3052799302,17cyclictest0-21swapper/008:05:290
3052799302,16cyclictest0-21swapper/012:00:170
3052799302,16cyclictest0-21swapper/007:30:140
3052799301,19cyclictest0-21swapper/008:45:220
30530992923,4cyclictest41-21ksoftirqd/310:56:243
30530992923,4cyclictest41-21ksoftirqd/310:24:063
30529992924,3cyclictest33-21ksoftirqd/212:39:022
30529992924,3cyclictest33-21ksoftirqd/209:05:072
30529992924,3cyclictest33-21ksoftirqd/208:48:322
30528992924,3cyclictest25-21ksoftirqd/111:02:141
30528992923,4cyclictest25-21ksoftirqd/110:45:141
30528992923,4cyclictest25-21ksoftirqd/110:04:431
30528992923,4cyclictest25-21ksoftirqd/108:19:441
30528992914,13cyclictest15448-21df_inode07:45:141
30528992912,15cyclictest18912-21sshd11:15:041
3052899290,2cyclictest0-21swapper/111:40:151
3052899290,1cyclictest0-21swapper/112:25:311
3052799294,13cyclictest28245-21memory08:10:230
30527992924,3cyclictest9-21ksoftirqd/011:05:350
3052799292,17cyclictest0-21swapper/010:50:160
3052799292,17cyclictest0-21swapper/009:10:190
3052799292,16cyclictest0-21swapper/008:00:010
3052799291,18cyclictest0-21swapper/007:20:200
262702290,16sleep1231rcuc/108:05:291
136991290,7ptp4l401ktimersoftd/310:41:383
136991290,0ptp4l401ktimersoftd/310:36:373
136991290,0ptp4l401ktimersoftd/308:59:493
136991290,0ptp4l401ktimersoftd/307:23:063
30530992823,3cyclictest41-21ksoftirqd/310:16:303
30529992823,3cyclictest33-21ksoftirqd/207:53:202
30529992822,4cyclictest33-21ksoftirqd/211:52:072
30529992822,4cyclictest33-21ksoftirqd/207:47:572
30529992821,5cyclictest33-21ksoftirqd/212:00:002
30528992822,4cyclictest25-21ksoftirqd/111:05:161
3052899281,24cyclictest29147-21fschecks_count11:35:161
30527992822,4cyclictest9-21ksoftirqd/012:36:420
30527992822,4cyclictest9-21ksoftirqd/011:55:020
3052799281,17cyclictest0-21swapper/009:15:240
3052799281,16cyclictest0-21swapper/010:35:270
136991280,7ptp4l401ktimersoftd/307:42:003
30530992722,3cyclictest41-21ksoftirqd/307:28:413
30529992722,3cyclictest33-21ksoftirqd/210:18:342
3052899272,21cyclictest4172-21fschecks_count11:50:181
136991270,0ptp4l401ktimersoftd/309:26:173
30530992621,3cyclictest41-21ksoftirqd/312:28:063
30530992621,3cyclictest41-21ksoftirqd/308:02:323
30530992621,3cyclictest41-21ksoftirqd/307:52:533
3052899261,22cyclictest14552-21tr08:50:201
3052799263,15cyclictest0-21swapper/012:20:190
3052799261,15cyclictest0-21swapper/010:45:200
30530992521,3cyclictest41-21ksoftirqd/311:35:143
30530992520,3cyclictest41-21ksoftirqd/310:51:593
30529992520,3cyclictest33-21ksoftirqd/212:32:112
30529992115,4cyclictest33-21ksoftirqd/209:46:212
30527992110,8cyclictest15071-21dpkg07:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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