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2026-08-03 - 01:08
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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 Sun Aug 02, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305152213179,23sleep20-21swapper/207:07:162
307222207174,22sleep00-21swapper/007:09:520
305142206173,22sleep10-21swapper/107:07:161
139491206172,23phc2sys0-21swapper/307:05:103
3073428262,11sleep10-21swapper/107:10:021
3102799810,79cyclictest0-21swapper/109:26:131
31027997118,51cyclictest0-21swapper/109:46:331
3102799680,66cyclictest0-21swapper/111:21:331
139391640,1ptp4l401ktimersoftd/309:59:343
94362610,2sleep00-21swapper/009:45:240
3102799596,51cyclictest0-21swapper/109:31:341
321682560,4sleep332170-21needreboot07:10:233
56132550,2sleep2311rcuc/209:40:012
31028995522,4cyclictest33-21ksoftirqd/209:20:262
139391550,1ptp4l401ktimersoftd/311:30:193
31028995424,4cyclictest33-21ksoftirqd/210:25:162
3102799540,52cyclictest0-21swapper/109:50:531
31028995223,4cyclictest33-21ksoftirqd/208:25:152
31028995220,4cyclictest33-21ksoftirqd/210:55:262
31028995220,4cyclictest33-21ksoftirqd/209:55:172
139391520,1ptp4l401ktimersoftd/309:40:203
54852510,2sleep20-21swapper/210:45:162
31028995121,4cyclictest33-21ksoftirqd/212:15:162
31028995121,3cyclictest33-21ksoftirqd/209:30:252
31028995120,3cyclictest33-21ksoftirqd/207:15:252
31028995015,6cyclictest33-21ksoftirqd/210:05:002
31028995015,4cyclictest33-21ksoftirqd/208:05:262
141382500,2sleep20-21swapper/207:40:182
31028994921,3cyclictest33-21ksoftirqd/210:30:142
31028994920,4cyclictest33-21ksoftirqd/211:55:102
31028994919,9cyclictest33-21ksoftirqd/209:10:002
31028994918,4cyclictest33-21ksoftirqd/209:15:122
31028994817,4cyclictest33-21ksoftirqd/207:20:252
31028994812,7cyclictest33-21ksoftirqd/207:55:202
31028994715,4cyclictest33-21ksoftirqd/209:50:202
31028994711,9cyclictest33-21ksoftirqd/208:30:162
3102899466,7cyclictest33-21ksoftirqd/208:35:182
31028994617,6cyclictest33-21ksoftirqd/208:45:142
31028994617,3cyclictest33-21ksoftirqd/210:35:252
31028994617,27cyclictest0-21swapper/208:10:232
31028994616,3cyclictest33-21ksoftirqd/212:35:212
31028994613,5cyclictest33-21ksoftirqd/209:25:192
31028994613,10cyclictest33-21ksoftirqd/210:15:282
31028994610,4cyclictest33-21ksoftirqd/208:20:202
3102899452,4cyclictest572-21avahi-daemon12:10:262
31028994511,2cyclictest121rcu_preempt09:10:272
3102899444,3cyclictest121rcu_preempt09:05:012
31028994439,3cyclictest33-21ksoftirqd/208:20:002
3102899442,3cyclictest33-21ksoftirqd/209:45:162
31028994416,3cyclictest33-21ksoftirqd/207:35:192
139391440,0ptp4l401ktimersoftd/310:35:113
139391440,0ptp4l401ktimersoftd/308:31:243
3102899434,2cyclictest33-21ksoftirqd/211:10:172
31028994310,4cyclictest33-21ksoftirqd/211:53:592
3102899430,3cyclictest33-21ksoftirqd/210:20:212
3102899430,2cyclictest33-21ksoftirqd/207:30:152
31027994314,27cyclictest0-21swapper/110:55:431
139391430,0ptp4l401ktimersoftd/310:03:523
31029994237,3cyclictest41-21ksoftirqd/308:40:013
3102899424,2cyclictest33-21ksoftirqd/210:40:212
31028994236,3cyclictest33-21ksoftirqd/211:25:002
3102899423,4cyclictest121rcu_preempt07:55:012
3102899422,2cyclictest33-21ksoftirqd/211:35:242
3102899421,3cyclictest33-21ksoftirqd/212:35:002
139391420,0ptp4l401ktimersoftd/312:20:113
139391420,0ptp4l401ktimersoftd/309:17:243
3102899414,3cyclictest121rcu_preempt12:25:262
31028994137,2cyclictest33-21ksoftirqd/210:15:002
31028994136,3cyclictest33-21ksoftirqd/209:00:012
31028994129,10cyclictest33-21ksoftirqd/211:15:182
3102899411,3cyclictest121rcu_preempt09:40:212
31027994112,27cyclictest0-21swapper/109:20:431
3102799410,38cyclictest15016-21basename10:00:001
139391410,0ptp4l401ktimersoftd/311:35:363
139391410,0ptp4l401ktimersoftd/310:59:263
139391410,0ptp4l401ktimersoftd/307:45:293
3102899407,10cyclictest33-21ksoftirqd/208:42:232
3102899404,3cyclictest121rcu_preempt08:05:012
31028994035,3cyclictest33-21ksoftirqd/211:45:002
31028994029,2cyclictest33-21ksoftirqd/211:30:252
3102899402,3cyclictest121rcu_preempt07:10:222
3102899402,2cyclictest33-21ksoftirqd/212:00:292
31028994010,3cyclictest33-21ksoftirqd/212:20:132
139391400,1ptp4l401ktimersoftd/307:43:293
31029993934,3cyclictest41-21ksoftirqd/312:00:003
31029993934,3cyclictest41-21ksoftirqd/311:50:003
31029993933,3cyclictest41-21ksoftirqd/308:50:183
3102899398,7cyclictest33-21ksoftirqd/207:25:102
31028993934,3cyclictest33-21ksoftirqd/211:45:152
31028993934,3cyclictest33-21ksoftirqd/211:30:002
31028993934,2cyclictest33-21ksoftirqd/207:50:012
31028993928,9cyclictest33-21ksoftirqd/212:05:252
31028993913,6cyclictest33-21ksoftirqd/211:05:172
31028993910,5cyclictest33-21ksoftirqd/210:10:012
31027993932,4cyclictest28982-21wc11:35:141
31027993910,27cyclictest0-21swapper/108:11:031
31029993833,3cyclictest41-21ksoftirqd/310:35:003
31029993832,3cyclictest41-21ksoftirqd/308:50:003
31029993826,10cyclictest41-21ksoftirqd/312:00:263
3102899387,5cyclictest33-21ksoftirqd/210:55:002
3102899383,3cyclictest121rcu_preempt08:50:242
31027993832,4cyclictest25-21ksoftirqd/111:17:481
3102799380,2cyclictest121rcu_preempt11:50:271
31026993833,3cyclictest9-21ksoftirqd/010:00:000
31029993732,3cyclictest41-21ksoftirqd/312:15:213
31029993731,4cyclictest41-21ksoftirqd/308:11:363
3102899370,6cyclictest33-21ksoftirqd/211:00:142
3102799378,28cyclictest0-21swapper/110:15:431
31027993732,3cyclictest25-21ksoftirqd/112:05:121
31027993731,4cyclictest25-21ksoftirqd/108:06:201
31027993731,4cyclictest25-21ksoftirqd/108:04:121
31026993732,3cyclictest10540-21apt07:35:000
31026993723,11cyclictest9-21ksoftirqd/009:20:140
31029993632,2cyclictest41-21ksoftirqd/311:45:003
31029993631,3cyclictest41-21ksoftirqd/309:20:203
31029993631,3cyclictest41-21ksoftirqd/308:20:003
31027993630,4cyclictest25-21ksoftirqd/111:11:021
31027993630,4cyclictest25-21ksoftirqd/111:04:281
31027993630,4cyclictest25-21ksoftirqd/110:39:211
31027993630,4cyclictest25-21ksoftirqd/107:16:151
57898350,27rtkit-daemon27163-21apache208:25:593
31029993530,3cyclictest41-21ksoftirqd/311:20:003
31029993530,3cyclictest41-21ksoftirqd/311:15:003
31029993530,3cyclictest41-21ksoftirqd/310:45:003
31029993529,4cyclictest41-21ksoftirqd/311:25:523
31029993529,4cyclictest10536-21cron07:35:013
31027993529,4cyclictest25-21ksoftirqd/111:58:321
31027993529,4cyclictest25-21ksoftirqd/109:42:451
31026993529,4cyclictest9-21ksoftirqd/010:28:090
31026993529,4cyclictest9-21ksoftirqd/009:19:210
31026993520,5cyclictest9-21ksoftirqd/007:20:180
139391350,0ptp4l401ktimersoftd/308:06:053
31029993430,3cyclictest41-21ksoftirqd/309:10:193
31029993429,3cyclictest41-21ksoftirqd/310:25:003
31029993429,3cyclictest41-21ksoftirqd/310:05:173
31029993428,4cyclictest41-21ksoftirqd/312:13:063
31029993428,4cyclictest41-21ksoftirqd/308:02:213
31027993429,3cyclictest25-21ksoftirqd/110:20:511
31027993428,4cyclictest25-21ksoftirqd/110:31:271
31027993428,4cyclictest25-21ksoftirqd/109:35:391
31027993428,4cyclictest25-21ksoftirqd/108:51:451
31027993428,4cyclictest25-21ksoftirqd/108:31:491
31027993428,4cyclictest25-21ksoftirqd/108:15:551
31027993428,4cyclictest25-21ksoftirqd/107:34:521
31027993427,4cyclictest25-21ksoftirqd/111:43:321
31026993429,3cyclictest9-21ksoftirqd/011:04:470
31026993428,4cyclictest9-21ksoftirqd/012:23:380
31026993428,4cyclictest9-21ksoftirqd/011:53:010
31026993428,4cyclictest9-21ksoftirqd/009:30:080
31026993428,4cyclictest9-21ksoftirqd/008:38:050
31026993426,6cyclictest9-21ksoftirqd/009:10:000
139391340,0ptp4l401ktimersoftd/307:56:543
31029993329,3cyclictest41-21ksoftirqd/312:05:143
31029993329,2cyclictest41-21ksoftirqd/310:15:193
31029993328,3cyclictest41-21ksoftirqd/309:50:223
31029993327,4cyclictest41-21ksoftirqd/311:09:403
31029993327,4cyclictest41-21ksoftirqd/307:26:283
3102999332,4cyclictest27775-21sed10:25:153
3102999331,5cyclictest121rcu_preempt09:05:213
31027993329,3cyclictest25-21ksoftirqd/110:25:361
31027993328,3cyclictest25-21ksoftirqd/108:25:011
31027993328,3cyclictest25-21ksoftirqd/107:38:131
31027993328,3cyclictest25-21ksoftirqd/107:25:011
31027993327,4cyclictest25-21ksoftirqd/112:02:131
31027993327,4cyclictest25-21ksoftirqd/109:17:211
31026993328,3cyclictest9-21ksoftirqd/011:15:000
31026993327,4cyclictest9-21ksoftirqd/012:31:210
31026993327,4cyclictest9-21ksoftirqd/010:31:300
31026993327,4cyclictest9-21ksoftirqd/010:22:160
31026993327,4cyclictest9-21ksoftirqd/009:37:580
31026993326,4cyclictest9-21ksoftirqd/012:00:070
31026993314,16cyclictest3044-21sh10:40:170
31029993228,3cyclictest41-21ksoftirqd/309:50:003
31029993228,2cyclictest41-21ksoftirqd/311:00:193
31029993228,2cyclictest41-21ksoftirqd/310:55:003
31029993228,2cyclictest41-21ksoftirqd/309:35:023
31029993227,3cyclictest41-21ksoftirqd/311:50:163
31029993227,3cyclictest41-21ksoftirqd/307:20:333
31029993226,4cyclictest41-21ksoftirqd/307:53:183
31027993227,3cyclictest25-21ksoftirqd/112:27:521
31027993227,3cyclictest25-21ksoftirqd/108:59:351
31027993227,3cyclictest25-21ksoftirqd/107:42:501
31027993226,4cyclictest25-21ksoftirqd/112:37:031
31027993226,4cyclictest25-21ksoftirqd/112:31:141
31027993226,4cyclictest25-21ksoftirqd/112:13:401
31027993226,4cyclictest25-21ksoftirqd/110:12:331
31027993226,4cyclictest25-21ksoftirqd/110:01:541
31027993212,3cyclictest13421-21cat08:45:231
31026993227,3cyclictest9-21ksoftirqd/012:26:430
31026993227,3cyclictest9-21ksoftirqd/012:15:270
31026993227,3cyclictest9-21ksoftirqd/011:24:550
31026993227,3cyclictest9-21ksoftirqd/008:17:050
31026993226,4cyclictest9-21ksoftirqd/011:46:400
31026993226,4cyclictest9-21ksoftirqd/011:08:400
31026993226,4cyclictest9-21ksoftirqd/010:06:340
31026993226,4cyclictest9-21ksoftirqd/009:42:230
31026993226,3cyclictest9-21ksoftirqd/008:25:030
31029993127,3cyclictest41-21ksoftirqd/308:55:213
31029993127,2cyclictest41-21ksoftirqd/307:35:143
31029993126,3cyclictest41-21ksoftirqd/311:20:183
31029993126,3cyclictest41-21ksoftirqd/309:00:193
31029993117,4cyclictest41-21ksoftirqd/312:35:133
3102999311,2cyclictest121rcu_preempt12:30:203
31027993126,3cyclictest25-21ksoftirqd/111:32:231
31027993126,3cyclictest25-21ksoftirqd/108:39:371
31027993126,3cyclictest25-21ksoftirqd/107:59:061
31027993125,4cyclictest25-21ksoftirqd/112:15:571
31027993125,4cyclictest25-21ksoftirqd/107:48:071
31027993124,4cyclictest25-21ksoftirqd/111:45:281
31026993126,3cyclictest9-21ksoftirqd/012:12:210
31026993126,3cyclictest9-21ksoftirqd/010:37:070
31026993125,4cyclictest9-21ksoftirqd/011:43:350
31026993125,4cyclictest9-21ksoftirqd/010:47:340
31026993125,4cyclictest9-21ksoftirqd/008:46:070
31026993125,4cyclictest9-21ksoftirqd/007:19:590
3102699311,11cyclictest549-21in:imuxsock10:20:010
196312310,3sleep03102699cyclictest11:15:140
139391310,0ptp4l401ktimersoftd/310:47:133
139391310,0ptp4l401ktimersoftd/309:35:203
139391310,0ptp4l401ktimersoftd/308:22:213
31029993027,2cyclictest41-21ksoftirqd/309:30:013
31029993026,3cyclictest41-21ksoftirqd/310:10:133
31029993025,3cyclictest41-21ksoftirqd/308:40:363
31029993025,3cyclictest41-21ksoftirqd/307:20:013
31029993024,4cyclictest41-21ksoftirqd/312:26:063
3102799307,3cyclictest549-21in:imuxsock10:50:001
3102799302,8cyclictest21445-21taskset09:05:131
31027993025,3cyclictest25-21ksoftirqd/107:27:131
31027993024,4cyclictest25-21ksoftirqd/109:03:291
3102799300,1cyclictest0-21swapper/110:50:261
31026993025,3cyclictest9-21ksoftirqd/010:56:530
31026993025,3cyclictest9-21ksoftirqd/009:51:540
31026993025,3cyclictest9-21ksoftirqd/008:59:540
31026993025,3cyclictest9-21ksoftirqd/008:54:360
31026993024,4cyclictest9-21ksoftirqd/009:25:340
135202300,2sleep00-21swapper/007:40:120
3102799297,3cyclictest18341-21cut10:05:171
3102799296,5cyclictest23984-21cpuspeed_turbos09:10:141
31027992911,3cyclictest24469-21df11:25:141
31027992910,3cyclictest9730-21tr08:40:131
3102699297,20cyclictest11254-21unixbench_multi08:40:260
31026992924,3cyclictest9-21ksoftirqd/011:27:180
31026992924,3cyclictest9-21ksoftirqd/010:00:490
31026992912,15cyclictest6374-21expr11:55:140
31026992911,16cyclictest8804-21switchtime10:50:270
3102799289,3cyclictest18966-21missed_timers07:50:231
3102799287,4cyclictest4073-21timerwakeupswit08:25:291
31027992822,4cyclictest25-21ksoftirqd/112:22:591
31027992822,4cyclictest25-21ksoftirqd/110:43:301
3102699289,17cyclictest28969-21wc08:10:250
3102699288,18cyclictest21600-21timerwakeupswit10:10:260
3102699288,17cyclictest15776-21cat07:45:130
3102699286,3cyclictest20674-21timerwakeupswit09:00:270
3102699285,3cyclictest23596-21cut08:00:230
31026992823,3cyclictest9-21ksoftirqd/011:39:330
31026992823,3cyclictest9-21ksoftirqd/009:12:260
31026992822,4cyclictest9-21ksoftirqd/011:34:080
31026992812,14cyclictest32212-21open_files07:10:220
31026992723,3cyclictest9-21ksoftirqd/007:50:140
31026992722,3cyclictest9-21ksoftirqd/012:39:220
3102699271,4cyclictest11359-21grep12:05:150
31026992711,13cyclictest600-21if_err_enp1s008:20:190
31026992710,15cyclictest5263-21fschecks_count08:30:160
31027992621,3cyclictest25-21ksoftirqd/111:10:001
3102699266,3cyclictest6923-21cut07:25:180
3102699266,2cyclictest26820-21seq08:05:520
3102699254,3cyclictest20399-21cpuspeed_turbos07:55:160
3102699250,4cyclictest11598-21sed07:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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