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2026-09-17 - 10:29
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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 Thu Sep 17, 2026 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541423540,6sleep30-21swapper/319:09:213
75322710,5sleep2718-21sh19:08:282
1191622240,4sleep1241ktimersoftd/119:09:161
210022170,7sleep02108-21tee19:09:580
1878521430,2sleep3466699cyclictest19:11:593
3108321410,5sleep231088-21tee19:10:422
293372830,3sleep129295-21sh19:12:121
4665996520,4cyclictest33-21ksoftirqd/219:51:212
466399656,57cyclictest0-21swapper/121:00:331
236932630,6sleep3466699cyclictest00:30:153
4665996030,3cyclictest33-21ksoftirqd/219:45:252
4665996026,9cyclictest33-21ksoftirqd/220:25:132
299542600,2sleep00-21swapper/021:20:180
299542600,2sleep00-21swapper/021:20:180
4665995929,6cyclictest33-21ksoftirqd/219:30:142
4665995921,6cyclictest33-21ksoftirqd/200:35:222
4665995825,4cyclictest33-21ksoftirqd/200:05:302
4665995823,4cyclictest33-21ksoftirqd/222:20:212
285072580,1sleep00-21swapper/020:10:170
285072580,1sleep00-21swapper/020:10:170
4665995725,6cyclictest33-21ksoftirqd/219:40:142
4665995725,3cyclictest33-21ksoftirqd/223:50:122
4665995724,5cyclictest33-21ksoftirqd/219:20:012
4665995722,6cyclictest33-21ksoftirqd/220:00:142
4666995612,28cyclictest1317-21runrttasks21:58:333
4665995625,4cyclictest33-21ksoftirqd/220:40:122
466399560,54cyclictest0-21swapper/122:10:331
4665995530,7cyclictest33-21ksoftirqd/222:05:132
4665995527,3cyclictest33-21ksoftirqd/220:50:202
4665995524,3cyclictest33-21ksoftirqd/221:30:112
4665995425,3cyclictest33-21ksoftirqd/223:00:142
4665995423,10cyclictest33-21ksoftirqd/222:50:252
4665995423,10cyclictest33-21ksoftirqd/222:50:252
4665995422,5cyclictest33-21ksoftirqd/219:20:252
4665995419,4cyclictest33-21ksoftirqd/222:30:122
466599532,2cyclictest33-21ksoftirqd/219:30:002
4665995322,5cyclictest33-21ksoftirqd/221:25:162
4665995227,8cyclictest33-21ksoftirqd/219:55:132
4665995223,4cyclictest33-21ksoftirqd/221:55:232
466599517,3cyclictest33-21ksoftirqd/221:45:202
466599516,3cyclictest33-21ksoftirqd/223:35:002
466599516,3cyclictest33-21ksoftirqd/223:35:002
4665995121,6cyclictest33-21ksoftirqd/219:35:132
466699501,47cyclictest6947-21kworker/3:023:31:333
466699501,47cyclictest6947-21kworker/3:023:31:333
4665995025,6cyclictest33-21ksoftirqd/220:20:132
4665995025,3cyclictest33-21ksoftirqd/222:04:512
4665995020,4cyclictest33-21ksoftirqd/223:55:122
4665995018,12cyclictest33-21ksoftirqd/223:24:592
4665995017,5cyclictest33-21ksoftirqd/222:25:162
4665994822,3cyclictest33-21ksoftirqd/200:10:242
4665994820,6cyclictest33-21ksoftirqd/221:40:142
4665994820,6cyclictest33-21ksoftirqd/220:55:182
4665994820,4cyclictest33-21ksoftirqd/220:10:172
4665994820,4cyclictest33-21ksoftirqd/220:10:172
4665994816,5cyclictest33-21ksoftirqd/220:05:132
4665994813,6cyclictest33-21ksoftirqd/221:20:132
4665994813,6cyclictest33-21ksoftirqd/221:20:132
466699472,42cyclictest27628-21latency_hist20:10:003
4665994717,8cyclictest33-21ksoftirqd/220:30:172
4665994717,7cyclictest33-21ksoftirqd/223:05:122
4665994714,5cyclictest33-21ksoftirqd/222:40:152
4665994714,3cyclictest33-21ksoftirqd/223:10:142
4665994713,3cyclictest33-21ksoftirqd/200:25:192
134391470,7getstats466699cyclictest00:11:103
466599469,7cyclictest33-21ksoftirqd/200:20:012
466599466,2cyclictest33-21ksoftirqd/223:25:152
466599465,3cyclictest33-21ksoftirqd/222:45:132
466599464,3cyclictest33-21ksoftirqd/222:55:022
4665994640,3cyclictest29030-21turbostat.cron21:20:002
466599463,2cyclictest33-21ksoftirqd/223:40:272
4665994618,3cyclictest33-21ksoftirqd/221:00:102
4665994617,6cyclictest33-21ksoftirqd/200:30:152
466599455,6cyclictest33-21ksoftirqd/220:15:162
466599455,3cyclictest33-21ksoftirqd/221:35:142
466599454,2cyclictest33-21ksoftirqd/223:45:232
4665994521,8cyclictest33-21ksoftirqd/222:15:232
466599444,2cyclictest33-21ksoftirqd/221:05:202
466599443,2cyclictest33-21ksoftirqd/222:35:222
4665994414,6cyclictest33-21ksoftirqd/223:35:152
4665994410,8cyclictest33-21ksoftirqd/221:12:282
466399440,42cyclictest0-21swapper/122:00:341
466599435,2cyclictest33-21ksoftirqd/223:15:422
4665994318,7cyclictest33-21ksoftirqd/220:45:182
466599431,2cyclictest121rcu_preempt20:35:272
4663994326,14cyclictest25-21ksoftirqd/122:43:591
4663994316,25cyclictest0-21swapper/119:19:031
4663994313,28cyclictest0-21swapper/123:30:431
4663994313,28cyclictest0-21swapper/123:30:431
139391430,0ptp4l401ktimersoftd/322:45:213
466599425,2cyclictest33-21ksoftirqd/200:00:222
466599424,3cyclictest33-21ksoftirqd/200:20:152
4663994237,3cyclictest27627-21sh20:10:001
4663994213,27cyclictest0-21swapper/100:10:431
139391420,0ptp4l401ktimersoftd/322:05:273
466599415,5cyclictest33-21ksoftirqd/221:50:102
466599415,5cyclictest33-21ksoftirqd/221:50:092
57898400,2rtkit-daemon0-21swapper/120:20:121
4666994010,28cyclictest18957-21kworker/3:222:02:343
466699400,37cyclictest3791-21cron21:35:013
4665994034,3cyclictest33-21ksoftirqd/222:10:232
139391400,0ptp4l401ktimersoftd/322:16:493
4666993932,4cyclictest2550-21cron22:40:003
4663993832,3cyclictest20439-21cron19:55:011
4663993820,3cyclictest207-21systemd-journal22:40:001
4663993817,20cyclictest0-21swapper/119:20:431
57898370,5rtkit-daemon25-21ksoftirqd/119:33:231
4666993731,4cyclictest41-21ksoftirqd/300:00:013
4663993732,3cyclictest25-21ksoftirqd/121:45:081
466399370,36cyclictest0-21swapper/120:51:121
466399370,34cyclictest1366-21turbostat.cron21:30:011
466299370,5cyclictest23020-21rm19:12:050
4666993630,4cyclictest41-21ksoftirqd/320:35:483
4666993630,4cyclictest41-21ksoftirqd/300:27:543
4663993631,3cyclictest25-21ksoftirqd/123:49:591
4663993630,4cyclictest25-21ksoftirqd/123:17:241
4663993630,4cyclictest25-21ksoftirqd/122:48:241
4663993630,4cyclictest25-21ksoftirqd/119:44:111
4663993630,4cyclictest25-21ksoftirqd/119:39:171
4663993630,4cyclictest25-21ksoftirqd/119:28:421
4666993531,3cyclictest41-21ksoftirqd/319:44:593
4666993529,4cyclictest41-21ksoftirqd/323:13:333
4666993529,4cyclictest41-21ksoftirqd/322:57:403
4666993529,4cyclictest41-21ksoftirqd/300:06:093
4666993528,4cyclictest41-21ksoftirqd/323:49:553
4666993528,4cyclictest41-21ksoftirqd/320:10:123
4666993528,4cyclictest41-21ksoftirqd/320:10:113
4663993530,3cyclictest31408-21awk21:24:591
4663993530,3cyclictest31408-21awk21:24:591
4663993529,4cyclictest25-21ksoftirqd/120:02:441
4663993529,4cyclictest25-21ksoftirqd/100:19:301
4663993529,4cyclictest25-21ksoftirqd/100:04:071
4662993529,4cyclictest9-21ksoftirqd/021:42:440
4662993529,4cyclictest9-21ksoftirqd/019:32:090
4662993528,5cyclictest9-21ksoftirqd/021:36:420
4662993511,21cyclictest17351-21tr19:45:250
4666993428,4cyclictest41-21ksoftirqd/319:33:103
4666993428,4cyclictest41-21ksoftirqd/319:18:333
4666993428,3cyclictest41-21ksoftirqd/322:25:113
466699341,30cyclictest4383-21df_abs19:20:143
4663993429,3cyclictest25-21ksoftirqd/122:55:211
4663993428,4cyclictest25-21ksoftirqd/123:42:431
4663993428,4cyclictest25-21ksoftirqd/123:24:101
4663993428,4cyclictest25-21ksoftirqd/123:08:491
4663993428,4cyclictest25-21ksoftirqd/122:08:051
4663993428,4cyclictest25-21ksoftirqd/121:54:411
4663993428,4cyclictest25-21ksoftirqd/121:54:401
4663993428,4cyclictest25-21ksoftirqd/120:27:471
4662993429,3cyclictest9-21ksoftirqd/020:55:120
4662993429,3cyclictest9-21ksoftirqd/000:05:000
4662993428,4cyclictest9-21ksoftirqd/022:46:420
4662993428,4cyclictest9-21ksoftirqd/022:15:060
4662993428,4cyclictest9-21ksoftirqd/022:12:010
4662993428,4cyclictest9-21ksoftirqd/021:14:270
4662993428,4cyclictest9-21ksoftirqd/020:36:040
4662993427,5cyclictest9-21ksoftirqd/023:19:570
4666993328,3cyclictest41-21ksoftirqd/322:23:093
4666993327,4cyclictest41-21ksoftirqd/321:52:383
4666993327,4cyclictest41-21ksoftirqd/321:52:383
4666993327,4cyclictest41-21ksoftirqd/321:40:543
4666993327,4cyclictest41-21ksoftirqd/319:46:133
4666993327,4cyclictest41-21ksoftirqd/300:03:363
4666993313,17cyclictest19971-21sed19:50:283
4666993311,18cyclictest11186-21/usr/sbin/munin19:35:133
4666993310,20cyclictest8139-21df_abs22:50:143
4666993310,20cyclictest8139-21df_abs22:50:143
4663993327,4cyclictest25-21ksoftirqd/123:36:131
4663993327,4cyclictest25-21ksoftirqd/123:27:391
4663993327,4cyclictest25-21ksoftirqd/123:10:341
4663993327,4cyclictest25-21ksoftirqd/123:01:471
4663993327,4cyclictest25-21ksoftirqd/122:20:271
4663993327,4cyclictest25-21ksoftirqd/122:18:311
4663993327,4cyclictest25-21ksoftirqd/121:06:311
4662993328,3cyclictest9-21ksoftirqd/022:53:340
4662993328,3cyclictest9-21ksoftirqd/022:53:330
4662993328,3cyclictest9-21ksoftirqd/020:02:330
4662993327,4cyclictest9-21ksoftirqd/023:09:540
4662993327,4cyclictest9-21ksoftirqd/022:20:430
4662993327,4cyclictest9-21ksoftirqd/022:02:130
4662993327,4cyclictest9-21ksoftirqd/019:27:160
4662993326,5cyclictest9-21ksoftirqd/020:40:060
4662993311,20cyclictest14155-21cat21:55:160
466699329,20cyclictest20130-21cut21:00:183
466699328,22cyclictest22651-21seq22:13:243
4666993227,3cyclictest41-21ksoftirqd/322:40:353
4666993227,3cyclictest41-21ksoftirqd/321:15:133
4666993226,4cyclictest41-21ksoftirqd/300:38:393
4666993225,5cyclictest41-21ksoftirqd/323:01:133
4666993225,4cyclictest41-21ksoftirqd/320:23:123
4663993227,3cyclictest25-21ksoftirqd/120:56:391
4663993227,3cyclictest25-21ksoftirqd/119:45:111
4663993227,3cyclictest25-21ksoftirqd/100:23:021
4663993226,4cyclictest25-21ksoftirqd/121:58:261
4663993226,4cyclictest25-21ksoftirqd/120:32:411
4663993226,4cyclictest25-21ksoftirqd/100:35:031
4663993225,4cyclictest25-21ksoftirqd/120:15:111
4662993227,3cyclictest9-21ksoftirqd/023:52:410
4662993227,3cyclictest9-21ksoftirqd/021:05:000
4662993227,3cyclictest9-21ksoftirqd/019:55:110
4662993227,3cyclictest9-21ksoftirqd/019:24:360
4662993226,4cyclictest9-21ksoftirqd/022:06:220
4662993226,4cyclictest9-21ksoftirqd/019:17:060
4662993226,4cyclictest9-21ksoftirqd/000:35:260
4662993226,4cyclictest9-21ksoftirqd/000:19:420
4662993225,5cyclictest9-21ksoftirqd/020:15:510
4662993211,18cyclictest20118-21sed00:20:250
4662993210,20cyclictest3521-21cut20:25:190
4666993126,3cyclictest41-21ksoftirqd/323:20:093
4666993126,3cyclictest41-21ksoftirqd/320:56:153
4666993125,4cyclictest41-21ksoftirqd/323:42:493
4666993110,18cyclictest20813-21cut19:55:133
4663993125,4cyclictest25-21ksoftirqd/120:38:471
4663993125,4cyclictest25-21ksoftirqd/120:12:391
4663993125,4cyclictest25-21ksoftirqd/120:12:391
4662993126,3cyclictest9-21ksoftirqd/023:48:210
4662993126,3cyclictest9-21ksoftirqd/023:44:040
4662993126,3cyclictest9-21ksoftirqd/022:38:390
4662993125,4cyclictest9-21ksoftirqd/021:26:360
4662993125,4cyclictest9-21ksoftirqd/020:49:490
4662993114,14cyclictest32611-21acpi20:20:110
4662993114,14cyclictest22358-21ptp4l-jitter00:25:230
4662993111,18cyclictest12733-21cat21:50:250
4662993111,18cyclictest12733-21cat21:50:250
4662993111,17cyclictest21440-21latency_hist21:05:000
466699308,19cyclictest4617-21fschecks_count23:50:153
466699308,19cyclictest11468-21unixbench_multi20:40:263
4666993025,3cyclictest41-21ksoftirqd/323:28:133
4666993024,4cyclictest41-21ksoftirqd/321:23:383
4666993024,4cyclictest41-21ksoftirqd/321:23:373
4666993024,4cyclictest41-21ksoftirqd/321:09:343
4666993024,4cyclictest41-21ksoftirqd/320:30:583
4666993024,4cyclictest41-21ksoftirqd/300:20:483
466699301,6cyclictest145552sleep320:50:123
4666993011,16cyclictest24565-21ls20:00:253
4666993010,17cyclictest6447-21/usr/sbin/munin19:25:123
4666993010,17cyclictest30226-21/usr/sbin/munin20:15:243
4663993024,4cyclictest25-21ksoftirqd/123:54:201
4663993024,4cyclictest25-21ksoftirqd/121:12:081
4663993023,5cyclictest25-21ksoftirqd/100:06:551
466299309,18cyclictest29500-21cpuspeed_turbos23:35:140
466299309,18cyclictest27410-21sh21:15:180
466299308,20cyclictest2286-21irqrtprio21:30:170
466299308,19cyclictest28662-21sed22:25:190
4662993025,3cyclictest9-21ksoftirqd/022:56:120
4662993025,3cyclictest9-21ksoftirqd/019:41:030
4662993025,3cyclictest9-21ksoftirqd/000:08:490
4662993024,4cyclictest9-21ksoftirqd/023:29:470
4662993024,4cyclictest9-21ksoftirqd/019:37:160
4662993024,4cyclictest9-21ksoftirqd/000:30:560
4662993024,3cyclictest9-21ksoftirqd/023:14:590
4662993011,17cyclictest6343-21ptp4l-jitter20:30:230
466699299,18cyclictest5047-21sed21:35:203
466699299,18cyclictest32565-21irqrtprio21:25:193
466699297,3cyclictest31312-21cut22:30:193
4663992924,3cyclictest25-21ksoftirqd/120:43:031
466299298,18cyclictest30758-21df_abs22:30:140
4662992923,4cyclictest9-21ksoftirqd/022:41:160
4662992923,4cyclictest9-21ksoftirqd/020:51:330
4662992923,4cyclictest9-21ksoftirqd/000:10:510
4662992910,17cyclictest19636-21ptp4l-jitter19:50:240
466699288,17cyclictest16712-21cat23:05:263
4666992823,3cyclictest41-21ksoftirqd/320:29:153
4666992823,3cyclictest41-21ksoftirqd/300:18:233
4663992823,3cyclictest25-21ksoftirqd/121:17:531
4663992822,4cyclictest25-21ksoftirqd/121:38:561
466299288,17cyclictest23816-21date23:20:230
4662992822,4cyclictest9-21ksoftirqd/023:04:280
466699278,17cyclictest1308-21sshd21:10:023
466699275,3cyclictest13480-21awk20:45:233
4666992722,3cyclictest41-21ksoftirqd/323:35:023
4666992722,3cyclictest41-21ksoftirqd/323:16:193
4663992722,3cyclictest25-21ksoftirqd/123:59:001
4663992722,3cyclictest25-21ksoftirqd/120:47:161
4663992721,4cyclictest25-21ksoftirqd/119:58:511
4662992722,3cyclictest8692-21awk00:00:000
4663992620,4cyclictest25-21ksoftirqd/100:27:481
4662992621,3cyclictest9-21ksoftirqd/021:48:020
4662992620,4cyclictest9-21ksoftirqd/023:33:200
4662992620,4cyclictest9-21ksoftirqd/023:33:200
4663992520,3cyclictest25-21ksoftirqd/121:44:251
4663992519,4cyclictest25-21ksoftirqd/122:26:051
139391250,0ptp4l401ktimersoftd/321:45:093
4663992419,3cyclictest25-21ksoftirqd/122:34:411
4662992419,3cyclictest9-21ksoftirqd/020:05:350
4663992115,3cyclictest25-21ksoftirqd/122:54:541
4663992115,3cyclictest25-21ksoftirqd/122:54:541
4663992115,3cyclictest25-21ksoftirqd/121:30:411
4663992013,4cyclictest25-21ksoftirqd/100:31:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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