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2025-07-05 - 18:26
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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 rackdslot1.osadl.org (updated Sat Jul 05, 2025 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191770,15ptp4l0-21swapper/312:35:283
2847191770,15ptp4l0-21swapper/312:35:283
2847191710,3ptp4l0-21swapper/209:05:332
2847191680,5ptp4l0-21swapper/309:50:113
138432670,4sleep00-21swapper/008:45:190
1017996230,4cyclictest25-21ksoftirqd/108:20:001
2847191610,17ptp4l25-21ksoftirqd/108:20:231
2847191600,15ptp4l0-21swapper/211:40:302
2847191590,4ptp4l0-21swapper/011:05:270
1017995923,9cyclictest25-21ksoftirqd/112:10:251
2847191580,4ptp4l0-21swapper/211:08:052
2847191580,4ptp4l0-21swapper/210:14:452
2847191570,4ptp4l0-21swapper/307:44:083
2847191570,3ptp4l0-21swapper/210:19:452
2847191570,12ptp4l31099-21apt-get07:05:152
1017995725,5cyclictest25-21ksoftirqd/109:55:001
2847191560,4ptp4l0-21swapper/311:08:443
2847191560,4ptp4l0-21swapper/310:53:483
2847191560,4ptp4l0-21swapper/209:20:432
2847191560,4ptp4l0-21swapper/208:08:512
2847191560,3ptp4l0-21swapper/311:28:193
2847191560,3ptp4l0-21swapper/307:19:583
2847191560,3ptp4l0-21swapper/211:30:322
2847191560,2ptp4l41-21ksoftirqd/308:15:293
1016995625,5cyclictest9-21ksoftirqd/011:45:230
2847191550,3ptp4l0-21swapper/210:35:472
1017995525,4cyclictest25-21ksoftirqd/107:45:241
2847191540,3ptp4l0-21swapper/211:39:182
1017995428,4cyclictest25-21ksoftirqd/108:40:001
1017995325,3cyclictest25-21ksoftirqd/111:40:291
1017995322,7cyclictest25-21ksoftirqd/112:15:191
1017995322,6cyclictest25-21ksoftirqd/111:55:201
1017995314,6cyclictest25-21ksoftirqd/107:35:191
1017995227,3cyclictest25-21ksoftirqd/107:30:291
1017995221,4cyclictest25-21ksoftirqd/108:55:241
2847191510,4ptp4l0-21swapper/211:03:412
2847191510,4ptp4l0-21swapper/009:12:200
2847191510,3ptp4l0-21swapper/211:22:062
101799516,9cyclictest25-21ksoftirqd/111:35:011
101799515,8cyclictest25-21ksoftirqd/110:35:011
101799513,8cyclictest25-21ksoftirqd/110:55:001
1017995125,4cyclictest25-21ksoftirqd/109:45:191
1017995124,4cyclictest25-21ksoftirqd/111:35:301
2847191500,4ptp4l0-21swapper/212:18:582
2847191500,3ptp4l0-21swapper/210:45:272
2847191500,3ptp4l0-21swapper/207:27:272
2847191500,3ptp4l0-21swapper/008:08:180
2847191500,10ptp4l0-21swapper/307:10:283
101799508,3cyclictest25-21ksoftirqd/110:45:141
101799501,7cyclictest25-21ksoftirqd/109:10:001
101699505,7cyclictest4745-21cpuspeed_turbos10:45:140
2847191490,3ptp4l0-21swapper/211:28:532
2847191490,3ptp4l0-21swapper/207:48:132
2847191490,3ptp4l0-21swapper/011:37:580
1017994921,3cyclictest25-21ksoftirqd/112:04:491
1017994920,6cyclictest25-21ksoftirqd/111:15:251
1017994918,6cyclictest25-21ksoftirqd/112:31:081
101799491,7cyclictest13897-21idleruntime-cro11:04:591
1016994911,6cyclictest9-21ksoftirqd/007:50:000
2847191480,9ptp4l0-21swapper/207:56:202
2847191480,8ptp4l0-21swapper/310:02:413
2847191480,3ptp4l0-21swapper/209:55:462
2847191480,3ptp4l0-21swapper/209:00:262
2847191480,3ptp4l0-21swapper/010:19:000
101799483,8cyclictest25-21ksoftirqd/108:54:591
101799483,5cyclictest25-21ksoftirqd/107:50:161
101799482,9cyclictest25-21ksoftirqd/110:35:301
101799482,3cyclictest25-21ksoftirqd/109:59:591
101799481,6cyclictest5473-21ntp_states09:35:251
101699483,7cyclictest0-21swapper/009:40:230
101699482,6cyclictest9-21ksoftirqd/008:25:030
2847191470,5ptp4l1299-21runrttasks07:08:153
2847191470,4ptp4l0-21swapper/307:20:573
2847191470,4ptp4l0-21swapper/012:11:050
101799475,8cyclictest25-21ksoftirqd/110:00:271
101799475,3cyclictest25-21ksoftirqd/108:10:181
1017994731,7cyclictest25-21ksoftirqd/109:20:001
1017994731,7cyclictest25-21ksoftirqd/109:20:001
1017994731,6cyclictest25-21ksoftirqd/109:20:281
1017994730,4cyclictest25-21ksoftirqd/112:05:011
1017994730,4cyclictest25-21ksoftirqd/112:05:011
101799472,9cyclictest25-21ksoftirqd/110:15:211
1017994726,8cyclictest25-21ksoftirqd/112:35:161
1017994726,8cyclictest25-21ksoftirqd/112:35:161
2847191460,4ptp4l71150irq/143-enp4s0-07:45:193
2847191460,4ptp4l0-21swapper/209:18:152
2847191460,4ptp4l0-21swapper/209:18:152
2847191460,3ptp4l0-21swapper/308:02:523
2847191460,3ptp4l0-21swapper/208:19:562
101799465,3cyclictest25-21ksoftirqd/109:10:271
1017994628,10cyclictest25-21ksoftirqd/107:20:221
1017994625,4cyclictest25-21ksoftirqd/111:25:201
101799461,8cyclictest25-21ksoftirqd/110:05:281
101799460,9cyclictest25-21ksoftirqd/108:44:591
101799460,10cyclictest25-21ksoftirqd/109:25:281
101699462,6cyclictest101ktimersoftd/010:55:010
101699462,6cyclictest0-21swapper/009:00:180
101699462,10cyclictest9-21ksoftirqd/011:55:250
1016994614,5cyclictest9-21ksoftirqd/011:21:430
2847191450,4ptp4l5100-21apt-get11:55:133
2847191450,3ptp4l0-21swapper/212:20:542
2847191450,2ptp4l401ktimersoftd/310:43:363
2847191450,10ptp4l0-21swapper/007:19:060
101799457,3cyclictest25-21ksoftirqd/110:20:261
1017994525,4cyclictest25-21ksoftirqd/108:00:001
101799451,8cyclictest25-21ksoftirqd/107:15:291
1017994515,4cyclictest25-21ksoftirqd/111:05:321
1017994510,6cyclictest25-21ksoftirqd/107:11:231
101699455,5cyclictest9-21ksoftirqd/007:35:300
101699454,9cyclictest9-21ksoftirqd/008:20:200
101699453,6cyclictest9-21ksoftirqd/009:55:160
101699452,7cyclictest0-21swapper/007:27:510
101699452,6cyclictest0-21swapper/008:00:220
101699451,8cyclictest9-21ksoftirqd/009:20:260
101699451,5cyclictest0-21swapper/009:05:190
2847191440,4ptp4l9263-21apt-get10:55:123
2847191440,4ptp4l0-21swapper/308:29:453
2847191440,4ptp4l0-21swapper/307:35:343
2847191440,3ptp4l0-21swapper/110:25:401
101799445,3cyclictest25-21ksoftirqd/112:25:231
101799445,3cyclictest25-21ksoftirqd/111:23:241
101799444,9cyclictest25-21ksoftirqd/107:40:281
1017994436,3cyclictest25-21ksoftirqd/112:20:231
1017994432,9cyclictest25-21ksoftirqd/111:54:591
1017994432,3cyclictest25-21ksoftirqd/108:45:181
1017994430,4cyclictest25-21ksoftirqd/108:25:011
101799442,9cyclictest25-21ksoftirqd/110:10:171
101799442,8cyclictest25-21ksoftirqd/109:40:291
101799442,8cyclictest25-21ksoftirqd/107:25:161
101799440,9cyclictest25-21ksoftirqd/111:10:311
101799440,9cyclictest25-21ksoftirqd/108:30:291
101699447,3cyclictest9-21ksoftirqd/008:42:320
101699443,6cyclictest9-21ksoftirqd/007:50:210
101699443,5cyclictest9-21ksoftirqd/010:05:140
101699442,6cyclictest9-21ksoftirqd/010:20:140
2847191430,9ptp4l0-21swapper/210:28:302
2847191430,9ptp4l0-21swapper/209:31:422
2847191430,9ptp4l0-21swapper/207:38:322
2847191430,6ptp4l0-21swapper/207:10:172
2847191430,5ptp4l0-21swapper/309:45:123
2847191430,4ptp4l4567-21ntp_states07:15:252
2847191430,4ptp4l30055-21ntp_states08:10:243
2847191430,4ptp4l0-21swapper/212:10:002
2847191430,4ptp4l0-21swapper/212:10:002
2847191430,4ptp4l0-21swapper/211:52:132
2847191430,4ptp4l0-21swapper/008:10:130
2847191430,3ptp4l25109-21ls12:35:232
2847191430,3ptp4l25109-21ls12:35:232
1017994329,6cyclictest25-21ksoftirqd/108:05:201
101799431,4cyclictest25-21ksoftirqd/109:00:221
1017994313,6cyclictest25-21ksoftirqd/109:30:151
101699436,6cyclictest9-21ksoftirqd/010:58:280
101699436,5cyclictest9-21ksoftirqd/012:00:260
101699435,8cyclictest9-21ksoftirqd/011:40:280
101699432,7cyclictest0-21swapper/008:30:130
101699432,5cyclictest0-21swapper/010:40:290
101699432,5cyclictest0-21swapper/009:50:200
101699432,5cyclictest0-21swapper/009:15:210
101699432,5cyclictest0-21swapper/009:15:210
101699431,6cyclictest9-21ksoftirqd/008:35:310
101699430,7cyclictest9-21ksoftirqd/010:00:160
2847191420,7ptp4l0-21swapper/312:25:173
2847191420,6ptp4l27726-21cron11:35:013
2847191420,5ptp4l26783-21ntpq11:30:240
2847191420,5ptp4l20809-21ntp_states07:50:252
2847191420,5ptp4l0-21swapper/307:50:203
2847191420,5ptp4l0-21swapper/011:00:210
2847191420,5ptp4l0-21swapper/010:35:150
2847191420,5ptp4l0-21swapper/008:15:140
2847191420,4ptp4l26696-21apt-get09:12:232
2847191420,4ptp4l0-21swapper/208:35:242
2847191420,4ptp4l0-21swapper/007:57:450
1017994227,4cyclictest25-21ksoftirqd/108:00:201
1017994226,7cyclictest25-21ksoftirqd/110:40:141
101799420,9cyclictest25-21ksoftirqd/110:55:131
101699426,5cyclictest9-21ksoftirqd/011:50:210
101699426,5cyclictest9-21ksoftirqd/010:33:120
101699424,8cyclictest9-21ksoftirqd/007:25:010
101699423,6cyclictest9-21ksoftirqd/011:15:240
101699422,7cyclictest9-21ksoftirqd/012:15:170
101699422,5cyclictest9-21ksoftirqd/009:30:270
101699421,6cyclictest0-21swapper/012:26:150
101699421,5cyclictest0-21swapper/012:35:160
101699421,5cyclictest0-21swapper/012:35:160
101699421,5cyclictest0-21swapper/009:35:130
101699420,11cyclictest19177-21seq12:24:350
2847191410,9ptp4l0-21swapper/212:11:072
2847191410,5ptp4l0-21swapper/308:05:143
2847191410,5ptp4l0-21swapper/210:00:142
2847191410,5ptp4l0-21swapper/208:25:142
2847191410,4ptp4l4292-21apt-get09:35:142
2847191410,4ptp4l2404-21meminfo08:20:222
2847191410,4ptp4l18727-21apt-get11:15:163
2847191410,4ptp4l13034-21ps11:00:283
2847191410,4ptp4l0-21swapper/311:20:223
2847191410,4ptp4l0-21swapper/309:00:253
2847191410,4ptp4l0-21swapper/010:30:000
2847191410,4ptp4l0-21swapper/010:10:290
2847191410,4ptp4l0-21swapper/007:34:100
2847191410,3ptp4l368-21apt-get11:45:172
2847191410,3ptp4l21496-21memory10:10:233
2847191410,3ptp4l10860-21irqstats12:05:200
2847191410,3ptp4l10860-21irqstats12:05:200
2847191410,3ptp4l0-21swapper/311:45:293
2847191410,3ptp4l0-21swapper/310:20:233
2847191410,3ptp4l0-21swapper/308:50:263
1017994125,7cyclictest25-21ksoftirqd/111:45:221
101699418,5cyclictest9-21ksoftirqd/007:40:140
101699413,6cyclictest9-21ksoftirqd/011:25:180
101699411,6cyclictest9-21ksoftirqd/011:10:220
101699410,6cyclictest11095-21sed09:50:010
2847191400,5ptp4l17363-21cat11:10:233
2847191400,5ptp4l0-21swapper/312:20:153
2847191400,5ptp4l0-21swapper/312:15:213
2847191400,5ptp4l0-21swapper/309:55:133
2847191400,5ptp4l0-21swapper/308:45:133
2847191400,5ptp4l0-21swapper/212:30:272
2847191400,4ptp4l540-21meminfo09:25:233
2847191400,4ptp4l3212-21ps09:30:263
2847191400,4ptp4l28233-21irqstats09:15:203
2847191400,4ptp4l28233-21irqstats09:15:203
2847191400,4ptp4l0-21swapper/312:32:213
2847191400,4ptp4l0-21swapper/312:05:183
2847191400,4ptp4l0-21swapper/312:05:183
2847191400,4ptp4l0-21swapper/309:35:283
2847191400,4ptp4l0-21swapper/309:20:243
2847191400,4ptp4l0-21swapper/307:55:223
2847191400,4ptp4l0-21swapper/307:30:163
2847191400,4ptp4l0-21swapper/307:26:553
2847191400,4ptp4l0-21swapper/210:55:122
2847191400,4ptp4l0-21swapper/210:52:102
2847191400,4ptp4l0-21swapper/210:33:432
2847191400,4ptp4l0-21swapper/210:20:272
2847191400,4ptp4l0-21swapper/208:45:162
2847191400,4ptp4l0-21swapper/208:34:492
2847191400,4ptp4l0-21swapper/207:40:252
2847191400,4ptp4l0-21swapper/012:31:560
2847191400,4ptp4l0-21swapper/008:55:300
2847191400,4ptp4l0-21swapper/007:10:150
2847191400,3ptp4l8630-21apt-get08:35:143
2847191400,3ptp4l7803-21diskstats12:00:173
2847191400,3ptp4l27730-21apt-get11:35:023
101699407,6cyclictest9-21ksoftirqd/008:50:180
2847191390,5ptp4l4810-21df_abs10:45:143
2847191390,4ptp4l8303-21grep09:40:302
2847191390,4ptp4l7486-21chrt12:00:132
2847191390,4ptp4l19873-21sed10:05:293
2847191390,4ptp4l1342-21ssh10:35:303
2847191390,4ptp4l0-21swapper/311:40:243
2847191390,4ptp4l0-21swapper/310:26:073
2847191390,4ptp4l0-21swapper/308:55:243
2847191390,4ptp4l0-21swapper/308:20:163
2847191390,4ptp4l0-21swapper/212:29:472
2847191390,4ptp4l0-21swapper/211:15:092
2847191390,4ptp4l0-21swapper/211:10:302
2847191390,4ptp4l0-21swapper/210:09:302
2847191390,4ptp4l0-21swapper/209:54:142
2847191390,4ptp4l0-21swapper/209:45:242
2847191390,4ptp4l0-21swapper/208:51:402
2847191390,4ptp4l0-21swapper/208:01:362
2847191390,4ptp4l0-21swapper/009:25:160
2847191390,3ptp4l6115-21meminfo11:55:212
2847191390,3ptp4l0-21swapper/310:30:493
2847191390,3ptp4l0-21swapper/309:10:183
2847191390,3ptp4l0-21swapper/209:26:502
2847191390,3ptp4l0-21swapper/208:58:442
2847191390,3ptp4l0-21swapper/208:10:292
2847191390,3ptp4l0-21swapper/207:30:272
2847191380,4ptp4l0-21swapper/312:10:113
2847191380,4ptp4l0-21swapper/311:50:223
2847191380,4ptp4l0-21swapper/310:15:243
2847191380,4ptp4l0-21swapper/309:40:353
2847191380,4ptp4l0-21swapper/309:05:163
2847191380,4ptp4l0-21swapper/308:42:573
2847191380,4ptp4l0-21swapper/308:30:153
2847191380,4ptp4l0-21swapper/210:40:212
2847191380,4ptp4l0-21swapper/208:42:252
2847191380,3ptp4l0-21swapper/207:23:202
2849691235,10phc2sys0-21swapper/007:05:140
311022142,7sleep131221-21tr07:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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