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2025-10-19 - 01:36
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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 all highest latencies:
System rackcslot4.osadl.org (updated Sat Oct 18, 2025 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30255362278216,48sleep10-21swapper/107:07:421
30255022248188,45sleep00-21swapper/007:07:190
125899680,2rtkit-daemon1257-21rtkit-daemon09:24:161
125899670,2rtkit-daemon1257-21rtkit-daemon07:23:101
125899640,4rtkit-daemon1257-21rtkit-daemon07:29:181
125899570,20rtkit-daemon1257-21rtkit-daemon10:12:561
31710372540,5sleep00-21swapper/011:15:000
125899540,4rtkit-daemon3232207-21latency12:35:220
125899530,5rtkit-daemon1257-21rtkit-daemon09:18:460
125899530,4rtkit-daemon1257-21rtkit-daemon11:29:130
125899510,4rtkit-daemon1257-21rtkit-daemon08:07:321
125899490,3rtkit-daemon1257-21rtkit-daemon10:53:211
302588299488,23cyclictest3106086-21apt-get09:50:120
125899480,4rtkit-daemon1257-21rtkit-daemon08:46:401
302588299465,22cyclictest3227845-21apt-get12:30:140
32321212450,2sleep13232122-21cat12:35:201
302588799453,9cyclictest3205669-21apt-get12:00:161
125899450,4rtkit-daemon1257-21rtkit-daemon11:17:190
302588799443,9cyclictest3141016-21apt-get10:35:171
302588299434,14cyclictest3209478-21apt-get12:05:150
125899430,5rtkit-daemon3186557-21apt-get11:35:170
125899430,3rtkit-daemon1257-21rtkit-daemon08:14:101
302588799423,10cyclictest3156105-21apt-get10:55:171
302588799414,9cyclictest3186557-21apt-get11:35:181
302588799410,15cyclictest3220124-21runrttasks12:20:011
302588299409,14cyclictest3026161-21cat07:10:170
302588299401,10cyclictest3194033-21/usr/sbin/munin11:45:000
302588299393,13cyclictest3055801-21apt-get08:25:070
302588299387,7cyclictest3152313-21apt-get10:50:150
302588299385,8cyclictest3121247-21latency_hist10:10:010
302588299381,21cyclictest3090640-21apt-get09:30:130
302588299381,11cyclictest3070829-21munin-run09:00:000
302588799373,10cyclictest3094602-21apt-get09:35:131
302588299375,12cyclictest3175127-21apt-get11:20:150
302588299373,11cyclictest3074750-21diskmemload10:30:200
302588299371,12cyclictest3129033-21apt-get10:20:150
125899370,3rtkit-daemon0-21swapper/111:31:211
302588299366,11cyclictest3224006-21sh12:24:480
302588299361,11cyclictest3083158-21apt-get09:20:130
125899360,3rtkit-daemon0-21swapper/112:08:311
125899360,3rtkit-daemon0-21swapper/109:49:081
125899360,3rtkit-daemon0-21swapper/109:49:071
125899360,3rtkit-daemon0-21swapper/108:36:080
125899360,3rtkit-daemon0-21swapper/108:36:080
302588299353,18cyclictest3074750-21diskmemload11:04:140
302588299351,17cyclictest3094840-21df_inode09:35:170
302588299350,10cyclictest3086912-21apt-get09:25:130
125899350,5rtkit-daemon3074750-21diskmemload10:46:071
125899350,5rtkit-daemon3074750-21diskmemload09:19:201
125899350,4rtkit-daemon1257-21rtkit-daemon10:39:430
125899350,3rtkit-daemon0-21swapper/107:57:491
3025887993431,2cyclictest63750irq/132-enp2s009:40:191
302588299345,12cyclictest3158822-21ssh10:58:320
302588299345,10cyclictest3135543-21sh10:28:080
3025882993416,11cyclictest3036376-21apt-get07:35:140
3025882993411,7cyclictest0-21swapper/011:52:240
125899340,4rtkit-daemon0-21swapper/011:27:061
125899340,3rtkit-daemon0-21swapper/108:46:330
125899340,3rtkit-daemon0-21swapper/010:24:261
302588799332,25cyclictest3060833-21apt-get08:35:151
302588799332,25cyclictest3060833-21apt-get08:35:151
302588299333,13cyclictest0-21swapper/007:50:260
302588299332,11cyclictest3208715-21chrt12:03:560
125899330,4rtkit-daemon1257-21rtkit-daemon08:25:491
125899330,3rtkit-daemon0-21swapper/111:33:230
125899330,3rtkit-daemon0-21swapper/108:23:511
125899330,22rtkit-daemon3064380-21kworker/0:008:54:550
302588299325,7cyclictest3114964-21sed10:00:260
302588299325,11cyclictest3146496-21ssh10:41:310
302588299322,13cyclictest3204805-21rm11:58:530
302588299322,12cyclictest3214179-21sed12:10:270
302588299322,12cyclictest3214179-21sed12:10:260
302588299322,10cyclictest3074750-21diskmemload11:45:160
302588299321,17cyclictest3074750-21diskmemload11:05:230
302588299321,11cyclictest3054074-21grep08:20:170
125899320,4rtkit-daemon1257-21rtkit-daemon10:47:010
125899320,3rtkit-daemon1257-21rtkit-daemon08:15:271
125899320,3rtkit-daemon0-21swapper/108:09:530
125899320,3rtkit-daemon0-21swapper/010:31:211
125899320,3rtkit-daemon0-21swapper/009:51:211
302588299316,6cyclictest31267892sleep010:15:430
302588299315,9cyclictest3073094-21cat09:05:170
302588299314,11cyclictest3104002-21sh09:46:210
302588299314,11cyclictest3104002-21sh09:46:200
302588299312,10cyclictest3099623-21sed09:40:240
3025882993114,11cyclictest3216631-21apt-get12:15:140
302588299311,13cyclictest3033060-21sed07:25:200
302588299311,11cyclictest3076224-21sed09:10:250
302588299311,10cyclictest3125092-21sed10:15:010
125899310,3rtkit-daemon0-21swapper/108:12:400
125899310,3rtkit-daemon0-21swapper/011:24:361
125899310,3rtkit-daemon0-21swapper/010:28:421
125899310,3rtkit-daemon0-21swapper/009:59:461
125899310,3rtkit-daemon0-21swapper/009:14:521
302588299306,7cyclictest3030521-21apt-get07:20:130
302588299302,13cyclictest3038421-21grep07:40:160
302588299301,11cyclictest3035046-21sed07:30:210
302588299301,10cyclictest3074750-21diskmemload12:27:010
302588299301,10cyclictest3048054-21cut08:05:000
302588299300,13cyclictest3111228-21sed09:55:280
125899300,3rtkit-daemon0-21swapper/011:47:451
302588799290,11cyclictest30365622expr07:35:151
302588299291,9cyclictest3058379-21apt-get08:30:150
302588299291,12cyclictest3062917-21wc08:40:150
302588299290,9cyclictest3044410-21cat07:55:150
125899290,4rtkit-daemon1257-21rtkit-daemon07:19:520
125899290,3rtkit-daemon0-21swapper/109:03:340
125899290,3rtkit-daemon0-21swapper/012:34:261
125899290,3rtkit-daemon0-21swapper/010:44:201
125899280,3rtkit-daemon0-21swapper/011:44:121
302588299277,5cyclictest0-21swapper/007:47:130
302588299271,10cyclictest3052099-21cpu08:15:150
125899270,3rtkit-daemon0-21swapper/010:03:471
31609902260,23sleep13161178-21sed11:00:291
302588799261,7cyclictest3030308-21perf07:20:011
125899260,1rtkit-daemon1257-21rtkit-daemon12:25:331
3025887992522,2cyclictest63750irq/132-enp2s009:33:171
3025887992517,6cyclictest3220038-21apt-get12:20:161
302588799250,6cyclictest0-21swapper/111:50:421
302588799250,6cyclictest0-21swapper/107:11:081
125899250,3rtkit-daemon1257-21rtkit-daemon11:13:121
302588799249,5cyclictest0-21swapper/110:18:221
3025887992422,1cyclictest0-21swapper/107:49:551
302588799242,14cyclictest3201791-21apt-get11:55:131
302588799240,7cyclictest3071368-21fschecks_time09:00:211
302588799240,6cyclictest0-21swapper/108:03:581
125899240,4rtkit-daemon1257-21rtkit-daemon09:27:361
302588799234,17cyclictest3167268-21latency_hist11:10:011
302588799233,5cyclictest3213011-21apt-get12:10:161
302588799233,5cyclictest3213011-21apt-get12:10:151
3025887992320,2cyclictest63750irq/132-enp2s010:09:581
302588799230,21cyclictest3064710-21cat08:45:011
3025887992211,6cyclictest63750irq/132-enp2s011:15:181
302588799212,13cyclictest3067109-21/usr/sbin/munin08:50:261
3025887992116,3cyclictest3044121-21grep07:55:001
125899210,3rtkit-daemon1257-21rtkit-daemon07:31:121
302588799204,8cyclictest3073004-21apt-get09:05:161
3025887992015,3cyclictest3060152-21python308:35:011
3025887992014,4cyclictest3070829-21munin-run09:00:011
302588799180,15cyclictest3040163-21latency_hist07:45:011
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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