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2026-07-07 - 14:53
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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 Jul 07, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491227164,51phc2sys0-21swapper/319:06:153
139491227164,51phc2sys0-21swapper/319:06:153
150172203169,22sleep00-21swapper/019:06:290
150172203169,22sleep00-21swapper/019:06:290
149942203169,22sleep20-21swapper/219:06:112
149942203169,22sleep20-21swapper/219:06:112
149412201168,22sleep10-21swapper/119:05:301
149412201168,22sleep10-21swapper/119:05:301
611121490,7sleep31559199cyclictest22:15:193
139391750,1ptp4l391rcuc/322:10:233
149332630,3sleep3391rcuc/322:35:013
1559199548,44cyclictest12631-21kworker/3:120:41:333
1559199547,45cyclictest6011-21kworker/3:023:12:133
139391450,2ptp4l0-21swapper/300:30:353
15588994439,3cyclictest32600-21turbostat.cron22:05:000
139391430,0ptp4l401ktimersoftd/320:20:283
139391430,0ptp4l401ktimersoftd/300:18:433
1558999423,9cyclictest25-21ksoftirqd/123:10:181
139391420,0ptp4l401ktimersoftd/321:30:243
15589994036,3cyclictest25-21ksoftirqd/119:20:011
15589994035,2cyclictest25-21ksoftirqd/122:59:591
15589994035,2cyclictest25-21ksoftirqd/121:20:001
57898390,5rtkit-daemon21172-21python22:45:241
15589993934,3cyclictest25-21ksoftirqd/120:19:591
1558899393,34cyclictest15701-21cron23:45:010
57898380,6rtkit-daemon0-21swapper/022:57:180
15591993814,21cyclictest9509-21unixbench_multi22:20:263
15589993833,3cyclictest25-21ksoftirqd/100:35:001
15589993832,4cyclictest25-21ksoftirqd/119:52:021
15589993832,4cyclictest25-21ksoftirqd/119:52:021
15591993711,22cyclictest1800-21expr23:15:153
15590993731,3cyclictest33-21ksoftirqd/222:00:002
15590993728,8cyclictest33-21ksoftirqd/223:00:252
15589993733,2cyclictest25-21ksoftirqd/122:35:011
15589993732,3cyclictest25-21ksoftirqd/122:54:591
15589993732,3cyclictest25-21ksoftirqd/120:14:591
15589993731,4cyclictest25-21ksoftirqd/123:42:331
15589993731,4cyclictest25-21ksoftirqd/100:02:081
15589993731,4cyclictest25-21ksoftirqd/100:02:071
15588993721,13cyclictest9-21ksoftirqd/000:30:130
139391370,0ptp4l401ktimersoftd/319:44:553
1559199369,26cyclictest12631-21kworker/3:120:57:123
15591993611,22cyclictest28800-21cron20:50:003
15590993631,3cyclictest33-21ksoftirqd/220:49:252
15590993630,4cyclictest33-21ksoftirqd/220:52:462
15590993630,4cyclictest33-21ksoftirqd/200:27:412
15589993632,3cyclictest25-21ksoftirqd/121:25:001
15589993632,2cyclictest25-21ksoftirqd/120:00:011
15589993631,2cyclictest25-21ksoftirqd/120:25:191
15589993630,4cyclictest25-21ksoftirqd/119:20:541
15589993630,4cyclictest25-21ksoftirqd/119:11:521
15589993630,4cyclictest25-21ksoftirqd/100:14:161
15589993630,3cyclictest25-21ksoftirqd/121:40:011
15589993629,4cyclictest25-21ksoftirqd/123:23:171
15591993530,3cyclictest41-21ksoftirqd/321:00:253
15591993530,3cyclictest41-21ksoftirqd/319:11:573
15591993529,4cyclictest41-21ksoftirqd/323:59:363
15591993529,4cyclictest41-21ksoftirqd/323:33:593
15591993529,4cyclictest41-21ksoftirqd/323:33:583
15591993529,4cyclictest41-21ksoftirqd/321:48:503
15591993529,4cyclictest41-21ksoftirqd/321:16:223
15591993513,20cyclictest25426-21/usr/sbin/munin00:05:253
15591993513,19cyclictest25717-21/usr/sbin/munin19:35:133
15591993512,20cyclictest601-21/usr/sbin/munin22:05:113
15591993511,21cyclictest21443-21fw_packets21:40:163
1559199350,3cyclictest16123-21head22:35:213
15590993530,3cyclictest33-21ksoftirqd/200:23:372
15590993529,4cyclictest33-21ksoftirqd/223:25:372
15590993529,4cyclictest33-21ksoftirqd/223:20:482
15590993529,4cyclictest33-21ksoftirqd/222:26:202
15590993529,4cyclictest33-21ksoftirqd/221:16:172
15590993529,4cyclictest33-21ksoftirqd/200:13:032
15590993529,3cyclictest33-21ksoftirqd/223:00:002
15589993531,3cyclictest25-21ksoftirqd/123:40:001
15589993531,3cyclictest25-21ksoftirqd/100:10:011
15589993530,3cyclictest25-21ksoftirqd/122:20:011
15589993530,3cyclictest25-21ksoftirqd/121:30:001
15589993530,3cyclictest25-21ksoftirqd/120:50:001
15589993530,3cyclictest25-21ksoftirqd/119:45:111
15589993530,3cyclictest25-21ksoftirqd/100:22:481
15589993529,4cyclictest25-21ksoftirqd/123:06:111
15589993529,4cyclictest25-21ksoftirqd/123:02:181
15589993529,4cyclictest25-21ksoftirqd/121:49:371
15589993529,4cyclictest25-21ksoftirqd/121:30:441
15589993529,3cyclictest25-21ksoftirqd/123:54:591
15588993529,4cyclictest9-21ksoftirqd/019:29:040
1559199348,22cyclictest16259-21cpu19:15:113
15591993429,3cyclictest41-21ksoftirqd/319:46:023
15591993429,3cyclictest41-21ksoftirqd/319:33:243
15591993428,4cyclictest41-21ksoftirqd/300:37:523
15591993428,4cyclictest41-21ksoftirqd/300:37:523
15591993413,18cyclictest23131-21phc2sys-jitter20:35:233
15591993412,19cyclictest9952-21latency_hist20:10:003
15591993412,19cyclictest1317-21runrttasks23:38:593
15591993411,20cyclictest21061-21cut22:45:233
1559199340,4cyclictest6364-21date21:10:003
15590993429,3cyclictest33-21ksoftirqd/222:07:272
15590993429,3cyclictest33-21ksoftirqd/220:05:112
15590993428,4cyclictest33-21ksoftirqd/223:30:352
15590993428,4cyclictest33-21ksoftirqd/223:30:352
15590993428,4cyclictest33-21ksoftirqd/219:41:332
15590993428,4cyclictest33-21ksoftirqd/219:18:032
15590993428,4cyclictest33-21ksoftirqd/200:31:382
15589993431,2cyclictest25-21ksoftirqd/120:32:061
15589993430,3cyclictest25-21ksoftirqd/121:00:001
15589993430,2cyclictest25-21ksoftirqd/122:40:141
15589993430,2cyclictest25-21ksoftirqd/122:20:131
15589993429,3cyclictest25-21ksoftirqd/122:40:011
15589993429,3cyclictest25-21ksoftirqd/121:04:591
15589993429,3cyclictest25-21ksoftirqd/120:50:121
15589993429,3cyclictest25-21ksoftirqd/119:40:271
15589993428,4cyclictest25-21ksoftirqd/122:25:361
15589993428,4cyclictest25-21ksoftirqd/122:04:591
15589993428,4cyclictest25-21ksoftirqd/120:43:591
15589993428,4cyclictest25-21ksoftirqd/120:01:181
15589993428,3cyclictest25-21ksoftirqd/121:59:591
15589993428,3cyclictest25-21ksoftirqd/121:50:131
1558999342,7cyclictest25-21ksoftirqd/119:40:001
15588993428,4cyclictest9-21ksoftirqd/020:51:390
1559199339,21cyclictest9685-21munin-node23:05:103
1559199337,25cyclictest12631-21kworker/3:119:22:123
15591993328,3cyclictest41-21ksoftirqd/321:20:143
15591993327,4cyclictest41-21ksoftirqd/322:57:303
15591993327,4cyclictest41-21ksoftirqd/322:50:403
15591993327,4cyclictest41-21ksoftirqd/322:40:243
15591993327,4cyclictest41-21ksoftirqd/322:04:273
15591993327,4cyclictest41-21ksoftirqd/320:28:003
15591993327,4cyclictest41-21ksoftirqd/300:28:493
1559199332,5cyclictest2518-21gnome-shell21:10:583
15591993311,19cyclictest11630-21timerwakeupswit20:10:243
15590993328,3cyclictest33-21ksoftirqd/223:15:362
15590993328,3cyclictest33-21ksoftirqd/220:44:522
15590993328,3cyclictest33-21ksoftirqd/220:22:312
15590993327,4cyclictest33-21ksoftirqd/223:39:352
15590993327,4cyclictest33-21ksoftirqd/222:38:402
15590993327,4cyclictest33-21ksoftirqd/221:25:092
15590993327,4cyclictest33-21ksoftirqd/220:13:392
15590993327,4cyclictest33-21ksoftirqd/220:02:152
15590993327,4cyclictest33-21ksoftirqd/219:50:442
15590993327,4cyclictest33-21ksoftirqd/219:50:432
15590993327,4cyclictest33-21ksoftirqd/219:48:102
15590993327,4cyclictest33-21ksoftirqd/219:13:532
15590993327,4cyclictest33-21ksoftirqd/200:06:452
1558999334,3cyclictest25-21ksoftirqd/123:30:201
1558999334,3cyclictest25-21ksoftirqd/123:30:201
15589993329,3cyclictest25-21ksoftirqd/100:40:001
15589993329,3cyclictest25-21ksoftirqd/100:40:001
15589993329,2cyclictest25-21ksoftirqd/121:10:001
15589993328,3cyclictest25-21ksoftirqd/123:45:251
15589993327,4cyclictest25-21ksoftirqd/123:16:271
15589993327,4cyclictest25-21ksoftirqd/120:07:041
15589993327,4cyclictest25-21ksoftirqd/100:28:591
15589993323,8cyclictest25-21ksoftirqd/119:30:171
15588993327,4cyclictest9-21ksoftirqd/023:58:210
15588993327,4cyclictest9-21ksoftirqd/022:26:020
15588993327,4cyclictest9-21ksoftirqd/021:51:370
15588993327,4cyclictest9-21ksoftirqd/020:42:080
15588993327,4cyclictest9-21ksoftirqd/020:18:100
15588993327,4cyclictest9-21ksoftirqd/019:20:330
1559199329,20cyclictest7558-21awk23:25:253
1559199328,21cyclictest30398-21expr20:50:253
1559199328,21cyclictest28916-21irqrtprio00:10:203
1559199327,22cyclictest524-21cpuspeed_turbos19:50:133
1559199327,22cyclictest524-21cpuspeed_turbos19:50:133
15591993226,4cyclictest41-21ksoftirqd/320:15:073
15591993226,4cyclictest41-21ksoftirqd/319:29:383
1559199321,3cyclictest508-21/usr/sbin/munin00:20:113
15591993211,19cyclictest4235-21cstates23:20:153
15591993210,20cyclictest20316-21cut20:30:183
15591993210,19cyclictest28621-21idleruntime21:55:173
1559199320,3cyclictest15553-21users21:25:293
15590993228,3cyclictest33-21ksoftirqd/222:47:292
15590993227,3cyclictest33-21ksoftirqd/223:05:112
15590993227,3cyclictest33-21ksoftirqd/222:11:382
15590993227,3cyclictest33-21ksoftirqd/222:05:012
15590993227,3cyclictest33-21ksoftirqd/221:51:592
15590993227,3cyclictest33-21ksoftirqd/221:48:022
15590993227,3cyclictest23112-21cron19:30:012
15590993226,4cyclictest33-21ksoftirqd/223:43:082
15590993226,4cyclictest33-21ksoftirqd/222:41:262
15590993226,4cyclictest33-21ksoftirqd/221:01:092
15590993226,4cyclictest33-21ksoftirqd/200:19:412
15589993227,3cyclictest25-21ksoftirqd/122:10:001
15589993227,3cyclictest25-21ksoftirqd/119:25:191
15589993226,4cyclictest25-21ksoftirqd/120:35:521
15589993226,3cyclictest25-21ksoftirqd/122:10:111
15588993227,3cyclictest9-21ksoftirqd/023:26:360
15588993227,3cyclictest9-21ksoftirqd/022:06:270
15588993227,3cyclictest9-21ksoftirqd/021:43:180
15588993226,4cyclictest9-21ksoftirqd/023:35:310
15588993226,4cyclictest9-21ksoftirqd/023:14:210
15588993226,4cyclictest9-21ksoftirqd/023:02:220
15588993226,4cyclictest9-21ksoftirqd/022:37:010
15588993226,4cyclictest9-21ksoftirqd/021:58:590
15588993226,4cyclictest9-21ksoftirqd/021:13:020
15588993226,4cyclictest9-21ksoftirqd/020:20:430
15588993226,4cyclictest9-21ksoftirqd/020:08:230
15588993225,4cyclictest10901-21cron21:20:010
1559199318,21cyclictest3286-21fschecks_count19:55:173
1559199310,3cyclictest24219-21awk00:00:213
1559199310,3cyclictest24219-21awk00:00:213
1559199310,28cyclictest207-21systemd-journal21:50:193
15590993126,3cyclictest33-21ksoftirqd/222:33:542
15590993126,3cyclictest33-21ksoftirqd/222:24:532
15590993126,3cyclictest33-21ksoftirqd/221:30:122
15590993126,3cyclictest33-21ksoftirqd/220:31:492
15590993125,4cyclictest33-21ksoftirqd/223:47:212
15590993125,4cyclictest33-21ksoftirqd/223:11:212
15590993125,4cyclictest33-21ksoftirqd/221:35:342
15590993125,4cyclictest33-21ksoftirqd/219:21:442
15589993126,3cyclictest25-21ksoftirqd/123:28:091
15589993126,3cyclictest25-21ksoftirqd/121:40:141
15589993126,3cyclictest25-21ksoftirqd/121:15:001
15589993125,4cyclictest25-21ksoftirqd/123:55:491
15589993125,4cyclictest25-21ksoftirqd/120:22:471
15588993126,3cyclictest9-21ksoftirqd/023:16:010
15588993126,3cyclictest9-21ksoftirqd/022:10:090
15588993126,3cyclictest9-21ksoftirqd/000:24:410
15588993125,4cyclictest9-21ksoftirqd/023:53:570
15588993125,4cyclictest9-21ksoftirqd/023:48:070
15588993125,4cyclictest9-21ksoftirqd/023:07:270
15588993125,4cyclictest9-21ksoftirqd/019:12:470
1558899311,6cyclictest207-21systemd-journal21:20:140
15588993111,3cyclictest18870-21df_abs21:35:160
15588993110,3cyclictest5729-21expr22:15:130
139391310,13ptp4l1559199cyclictest23:44:163
1559199308,19cyclictest10580-21df_abs22:25:163
1559199307,20cyclictest16841-21irqrtprio23:45:173
1559199301,4cyclictest2518-21gnome-shell23:00:583
15590993025,3cyclictest33-21ksoftirqd/221:12:142
15590993025,3cyclictest33-21ksoftirqd/220:27:312
15590993025,3cyclictest33-21ksoftirqd/219:55:522
15590993024,4cyclictest33-21ksoftirqd/223:56:352
15590993024,4cyclictest33-21ksoftirqd/221:24:222
15590993024,3cyclictest33-21ksoftirqd/222:18:362
15588993025,3cyclictest9-21ksoftirqd/021:25:370
15588993025,3cyclictest9-21ksoftirqd/019:50:120
15588993025,3cyclictest9-21ksoftirqd/019:50:120
15588993025,3cyclictest9-21ksoftirqd/019:41:020
15588993024,4cyclictest9-21ksoftirqd/022:48:020
15588993024,4cyclictest9-21ksoftirqd/021:33:470
15588993024,4cyclictest9-21ksoftirqd/000:12:410
15590992924,3cyclictest33-21ksoftirqd/220:37:262
15590992923,4cyclictest33-21ksoftirqd/223:50:192
15590992923,4cyclictest33-21ksoftirqd/220:57:522
15590992923,4cyclictest33-21ksoftirqd/200:01:122
15590992923,4cyclictest33-21ksoftirqd/200:01:122
15589992924,3cyclictest25-21ksoftirqd/100:15:151
15588992924,3cyclictest9-21ksoftirqd/020:31:380
15588992923,4cyclictest9-21ksoftirqd/021:07:200
15588992923,4cyclictest9-21ksoftirqd/019:18:410
15588992923,4cyclictest9-21ksoftirqd/000:00:580
15588992923,4cyclictest9-21ksoftirqd/000:00:580
15588992913,14cyclictest5239-21phc2sys-jitter23:20:230
15588992912,3cyclictest19307-21cron20:30:010
1559199287,19cyclictest19038-21uniq21:35:193
1559199286,3cyclictest5648-21df_inode20:00:153
15591992822,4cyclictest41-21ksoftirqd/323:53:033
15590992822,4cyclictest33-21ksoftirqd/222:51:412
15590992822,4cyclictest33-21ksoftirqd/221:41:522
15590992822,4cyclictest33-21ksoftirqd/200:36:552
15590992822,4cyclictest33-21ksoftirqd/200:36:542
1558899289,3cyclictest5004-21latency_hist20:00:010
15588992823,3cyclictest9-21ksoftirqd/021:00:120
15588992823,3cyclictest9-21ksoftirqd/000:19:230
15588992822,4cyclictest9-21ksoftirqd/021:49:130
15588992811,3cyclictest5258-21acpi20:00:110
15588992810,3cyclictest1317-21runrttasks23:31:050
15588992810,3cyclictest1317-21runrttasks23:31:050
15590992722,3cyclictest33-21ksoftirqd/220:15:232
15590992722,3cyclictest33-21ksoftirqd/219:34:032
15588992710,3cyclictest27978-21ptp4l20:45:230
15588992710,2cyclictest31402-21/usr/sbin/munin20:55:200
1558899269,3cyclictest4200-21latency00:25:220
15588992621,3cyclictest9-21ksoftirqd/022:40:060
15588992621,3cyclictest9-21ksoftirqd/022:32:400
15588992621,3cyclictest9-21ksoftirqd/020:12:020
15590992520,3cyclictest33-21ksoftirqd/219:35:242
15588992519,4cyclictest9-21ksoftirqd/019:46:050
15588992519,4cyclictest9-21ksoftirqd/000:36:450
15588992519,4cyclictest9-21ksoftirqd/000:36:440
15590992418,4cyclictest33-21ksoftirqd/221:08:032
1558899249,2cyclictest101ktimersoftd/019:30:230
15588992419,3cyclictest9-21ksoftirqd/022:53:510
15588992318,3cyclictest9-21ksoftirqd/019:37:080
15588992318,3cyclictest9-21ksoftirqd/000:05:240
15588992015,3cyclictest9-21ksoftirqd/022:20:100
15588991913,4cyclictest23659-21sed20:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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