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2025-04-02 - 06:51
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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 376 highest latencies:
System rackdslot4.osadl.org (updated Wed Apr 02, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791230167,51phc2sys0-21swapper/319:07:343
182562202168,23sleep00-21swapper/019:09:120
182272201168,22sleep10-21swapper/119:08:491
180582201167,22sleep20-21swapper/219:06:372
1831928868,11sleep00-21swapper/019:10:010
18612996332,7cyclictest25-21ksoftirqd/121:05:011
301212590,8sleep11861299cyclictest20:45:171
18612995929,8cyclictest25-21ksoftirqd/100:10:181
247602570,7sleep01861199cyclictest23:05:000
18612995727,10cyclictest25-21ksoftirqd/123:10:121
18612995722,7cyclictest25-21ksoftirqd/119:30:171
18612995616,8cyclictest25-21ksoftirqd/119:50:221
134991560,1ptp4l401ktimersoftd/300:13:163
18612995526,7cyclictest25-21ksoftirqd/100:15:211
18612995526,4cyclictest25-21ksoftirqd/120:38:021
18612995520,4cyclictest25-21ksoftirqd/120:55:181
18612995519,4cyclictest25-21ksoftirqd/123:55:221
18612995427,8cyclictest25-21ksoftirqd/123:35:181
18612995426,7cyclictest25-21ksoftirqd/119:24:591
18612995423,3cyclictest25-21ksoftirqd/122:55:231
18612995413,8cyclictest25-21ksoftirqd/120:50:321
18612995326,7cyclictest25-21ksoftirqd/121:50:121
18612995320,8cyclictest25-21ksoftirqd/100:25:011
18612995320,8cyclictest25-21ksoftirqd/100:25:011
18612995320,4cyclictest25-21ksoftirqd/122:15:011
18612995319,7cyclictest25-21ksoftirqd/120:20:221
18612995315,8cyclictest25-21ksoftirqd/123:50:201
18612995314,8cyclictest25-21ksoftirqd/122:35:201
18612995314,7cyclictest25-21ksoftirqd/120:15:181
18612995314,10cyclictest25-21ksoftirqd/119:45:181
18612995314,10cyclictest25-21ksoftirqd/119:45:181
18612995224,9cyclictest25-21ksoftirqd/121:30:261
18612995224,4cyclictest25-21ksoftirqd/120:30:151
18612995219,7cyclictest25-21ksoftirqd/123:40:261
18612995214,8cyclictest25-21ksoftirqd/120:10:151
18612995122,6cyclictest25-21ksoftirqd/123:10:011
18612995121,4cyclictest25-21ksoftirqd/122:00:121
18612995118,5cyclictest25-21ksoftirqd/121:24:591
18612995117,3cyclictest25-21ksoftirqd/121:35:151
18612995117,3cyclictest25-21ksoftirqd/121:35:151
18612995116,7cyclictest25-21ksoftirqd/100:35:151
18612995115,8cyclictest25-21ksoftirqd/122:40:141
18612995115,8cyclictest25-21ksoftirqd/122:30:121
18612995114,8cyclictest25-21ksoftirqd/119:25:211
18612995113,5cyclictest25-21ksoftirqd/119:15:271
18612995112,8cyclictest25-21ksoftirqd/122:50:191
18612995025,7cyclictest25-21ksoftirqd/121:10:231
18612995020,4cyclictest25-21ksoftirqd/120:05:161
18612995017,4cyclictest25-21ksoftirqd/119:35:211
18612995016,8cyclictest25-21ksoftirqd/121:55:211
18612995016,8cyclictest25-21ksoftirqd/119:10:241
18612995014,8cyclictest25-21ksoftirqd/123:30:111
18612995014,8cyclictest25-21ksoftirqd/123:00:221
18612995011,7cyclictest25-21ksoftirqd/123:15:201
18612995011,7cyclictest25-21ksoftirqd/123:15:191
18612995011,11cyclictest25-21ksoftirqd/123:20:151
18612994921,8cyclictest25-21ksoftirqd/120:25:331
18612994920,7cyclictest25-21ksoftirqd/120:00:191
18612994918,7cyclictest25-21ksoftirqd/100:30:191
18612994917,3cyclictest25-21ksoftirqd/121:40:131
18612994915,7cyclictest25-21ksoftirqd/122:20:151
18612994910,2cyclictest25-21ksoftirqd/121:05:281
18612994817,4cyclictest25-21ksoftirqd/100:07:041
18612994817,10cyclictest25-21ksoftirqd/100:00:171
18612994816,8cyclictest25-21ksoftirqd/123:49:591
1861299477,5cyclictest25-21ksoftirqd/119:55:261
1861299477,4cyclictest25-21ksoftirqd/122:15:231
1861299476,3cyclictest25-21ksoftirqd/119:40:151
18612994719,4cyclictest25-21ksoftirqd/120:43:391
18612994719,4cyclictest25-21ksoftirqd/120:43:391
1861299441,3cyclictest25-21ksoftirqd/121:15:161
1861299441,2cyclictest25-21ksoftirqd/121:29:591
1861299433,7cyclictest845-21cron23:30:001
18612994337,3cyclictest25-21ksoftirqd/121:50:011
134991430,0ptp4l401ktimersoftd/300:34:503
1861399420,3cyclictest121rcu_preempt22:55:242
134991420,0ptp4l401ktimersoftd/321:35:143
134991420,0ptp4l401ktimersoftd/321:35:133
134991420,0ptp4l401ktimersoftd/319:35:483
18613994136,3cyclictest33-21ksoftirqd/220:10:012
18613994134,4cyclictest33-21ksoftirqd/220:30:002
18613994130,9cyclictest33-21ksoftirqd/222:40:262
134991410,0ptp4l401ktimersoftd/300:29:203
1861399400,7cyclictest364-21dbus-daemon00:07:042
1861299403,2cyclictest25-21ksoftirqd/122:05:551
18612994013,7cyclictest25-21ksoftirqd/122:50:011
18613993928,10cyclictest33-21ksoftirqd/221:50:222
1861299390,6cyclictest25-21ksoftirqd/100:30:001
18611993933,4cyclictest9-21ksoftirqd/000:20:000
134991390,0ptp4l401ktimersoftd/321:20:223
36998380,3rtkit-daemon24300-21grep19:20:170
1861399384,6cyclictest33-21ksoftirqd/222:35:162
18613993834,2cyclictest33-21ksoftirqd/219:54:592
18613993830,4cyclictest33-21ksoftirqd/219:20:132
1861299383,2cyclictest8725-21taskset22:25:281
134991380,0ptp4l401ktimersoftd/322:17:583
134991380,0ptp4l401ktimersoftd/320:43:173
134991380,0ptp4l401ktimersoftd/320:43:173
18614993731,4cyclictest41-21ksoftirqd/323:38:333
18614993731,4cyclictest41-21ksoftirqd/300:02:203
18614993730,4cyclictest41-21ksoftirqd/319:57:293
1861399373,3cyclictest121rcu_preempt00:10:172
18613993732,3cyclictest33-21ksoftirqd/223:10:092
18613993732,2cyclictest33-21ksoftirqd/223:20:012
18613993732,2cyclictest33-21ksoftirqd/223:20:002
18613993731,3cyclictest33-21ksoftirqd/200:30:192
18613993726,3cyclictest33-21ksoftirqd/220:10:182
18614993631,3cyclictest41-21ksoftirqd/321:43:243
18614993630,4cyclictest41-21ksoftirqd/323:22:203
18614993630,4cyclictest41-21ksoftirqd/323:06:123
18614993630,4cyclictest41-21ksoftirqd/300:16:333
18613993632,3cyclictest33-21ksoftirqd/220:50:242
18613993632,2cyclictest33-21ksoftirqd/221:15:002
18613993631,3cyclictest33-21ksoftirqd/220:35:122
18613993631,3cyclictest33-21ksoftirqd/200:20:192
18613993631,3cyclictest33-21ksoftirqd/200:20:192
18613993630,4cyclictest33-21ksoftirqd/221:06:202
18613993630,4cyclictest33-21ksoftirqd/220:45:012
18613993630,4cyclictest33-21ksoftirqd/220:45:002
18611993630,4cyclictest9-21ksoftirqd/023:16:240
18611993630,4cyclictest9-21ksoftirqd/023:16:230
18611993630,4cyclictest9-21ksoftirqd/020:26:220
18614993529,4cyclictest41-21ksoftirqd/323:30:423
18614993529,4cyclictest41-21ksoftirqd/323:11:183
18614993529,4cyclictest41-21ksoftirqd/321:10:503
18614993529,4cyclictest41-21ksoftirqd/320:31:233
18614993529,4cyclictest41-21ksoftirqd/320:05:243
18614993528,4cyclictest41-21ksoftirqd/321:15:103
1861399354,6cyclictest121rcu_preempt00:04:592
1861399354,2cyclictest121rcu_preempt19:35:272
1861399353,6cyclictest33-21ksoftirqd/222:15:142
18613993531,2cyclictest33-21ksoftirqd/223:55:012
18613993530,3cyclictest33-21ksoftirqd/223:05:002
18613993530,3cyclictest33-21ksoftirqd/222:01:232
18613993530,3cyclictest33-21ksoftirqd/220:24:252
18613993530,3cyclictest33-21ksoftirqd/220:05:012
18613993530,3cyclictest21995-21cron00:20:002
18613993529,4cyclictest33-21ksoftirqd/222:32:332
18613993529,4cyclictest33-21ksoftirqd/221:23:092
18613993529,4cyclictest33-21ksoftirqd/219:49:172
18613993529,4cyclictest33-21ksoftirqd/219:49:172
18613993529,4cyclictest33-21ksoftirqd/200:37:142
1861399352,3cyclictest33-21ksoftirqd/221:15:152
1861399351,8cyclictest33-21ksoftirqd/222:00:002
18611993529,4cyclictest9-21ksoftirqd/022:14:450
18611993529,4cyclictest9-21ksoftirqd/021:03:480
18611993529,4cyclictest9-21ksoftirqd/020:01:070
18611993529,4cyclictest9-21ksoftirqd/019:41:010
18611993529,4cyclictest9-21ksoftirqd/000:34:140
18611993528,4cyclictest9-21ksoftirqd/021:46:140
134991350,0ptp4l401ktimersoftd/300:35:233
18614993428,4cyclictest41-21ksoftirqd/323:55:583
18614993428,4cyclictest41-21ksoftirqd/321:50:343
18614993428,4cyclictest41-21ksoftirqd/320:56:063
18614993427,5cyclictest41-21ksoftirqd/320:20:303
18613993430,3cyclictest33-21ksoftirqd/222:10:092
18613993430,3cyclictest33-21ksoftirqd/221:35:002
18613993430,3cyclictest33-21ksoftirqd/220:45:192
18613993429,3cyclictest33-21ksoftirqd/220:55:182
18613993429,3cyclictest33-21ksoftirqd/220:00:002
18613993429,3cyclictest33-21ksoftirqd/219:33:252
18613993429,3cyclictest33-21ksoftirqd/219:10:282
18613993428,4cyclictest72192irq/125-enp1s0-23:40:182
18613993428,4cyclictest33-21ksoftirqd/223:24:442
18613993428,4cyclictest33-21ksoftirqd/220:34:552
18613993428,4cyclictest33-21ksoftirqd/219:43:322
18613993428,4cyclictest33-21ksoftirqd/200:29:262
18611993428,4cyclictest9-21ksoftirqd/023:13:060
18611993428,4cyclictest9-21ksoftirqd/019:33:470
134991340,0ptp4l401ktimersoftd/323:42:533
134991340,0ptp4l401ktimersoftd/320:46:253
134991340,0ptp4l401ktimersoftd/319:15:563
18614993329,2cyclictest134991ptp4l20:35:253
18614993328,3cyclictest41-21ksoftirqd/322:56:133
18614993328,3cyclictest41-21ksoftirqd/322:45:003
18614993328,3cyclictest41-21ksoftirqd/322:04:383
18614993328,3cyclictest41-21ksoftirqd/321:31:383
18614993328,3cyclictest41-21ksoftirqd/321:26:183
18614993327,4cyclictest41-21ksoftirqd/323:49:123
18614993327,4cyclictest41-21ksoftirqd/319:24:423
18614993327,3cyclictest41-21ksoftirqd/322:29:053
1861399334,3cyclictest33-21ksoftirqd/219:15:152
18613993329,2cyclictest33-21ksoftirqd/221:35:142
18613993329,2cyclictest33-21ksoftirqd/221:35:142
18613993328,3cyclictest33-21ksoftirqd/223:27:552
18613993328,3cyclictest33-21ksoftirqd/222:20:122
18613993328,3cyclictest33-21ksoftirqd/219:25:212
18613993327,4cyclictest33-21ksoftirqd/223:34:232
18613993327,4cyclictest33-21ksoftirqd/222:46:522
1861399331,4cyclictest33-21ksoftirqd/221:00:142
18611993328,3cyclictest9-21ksoftirqd/021:06:410
18611993327,4cyclictest9-21ksoftirqd/021:57:240
18611993327,4cyclictest9-21ksoftirqd/021:22:030
18611993327,4cyclictest9-21ksoftirqd/019:39:450
134991330,0ptp4l401ktimersoftd/322:13:493
18614993227,3cyclictest41-21ksoftirqd/323:20:003
18614993227,3cyclictest41-21ksoftirqd/323:20:003
18614993227,3cyclictest41-21ksoftirqd/322:24:323
18614993227,3cyclictest41-21ksoftirqd/319:48:493
18614993227,3cyclictest41-21ksoftirqd/319:48:493
18614993226,4cyclictest41-21ksoftirqd/322:07:593
18614993226,4cyclictest41-21ksoftirqd/319:52:273
18614993226,3cyclictest41-21ksoftirqd/319:41:243
18614993226,3cyclictest41-21ksoftirqd/300:20:123
18614993226,3cyclictest41-21ksoftirqd/300:20:123
18613993228,3cyclictest33-21ksoftirqd/223:35:162
18613993227,3cyclictest33-21ksoftirqd/222:50:092
18613993226,4cyclictest33-21ksoftirqd/222:26:562
18613993226,4cyclictest33-21ksoftirqd/221:28:142
18611993227,3cyclictest9-21ksoftirqd/023:43:560
18611993227,3cyclictest9-21ksoftirqd/020:57:100
18611993227,3cyclictest9-21ksoftirqd/020:36:450
18611993227,3cyclictest9-21ksoftirqd/020:16:110
18611993227,3cyclictest9-21ksoftirqd/019:28:240
18611993226,4cyclictest9-21ksoftirqd/023:57:310
18611993226,4cyclictest9-21ksoftirqd/023:32:410
18611993226,4cyclictest9-21ksoftirqd/022:38:370
18611993226,4cyclictest9-21ksoftirqd/022:24:010
18611993226,4cyclictest9-21ksoftirqd/021:18:540
18611993226,4cyclictest9-21ksoftirqd/000:13:280
304182310,3sleep330406-21turbostat22:00:013
18614993126,3cyclictest41-21ksoftirqd/319:30:593
18614993125,4cyclictest41-21ksoftirqd/323:26:133
18614993125,4cyclictest41-21ksoftirqd/321:46:253
18614993125,4cyclictest41-21ksoftirqd/321:02:323
18614993125,3cyclictest41-21ksoftirqd/322:46:253
18613993127,3cyclictest33-21ksoftirqd/223:55:272
18613993126,3cyclictest33-21ksoftirqd/221:44:262
18613993124,4cyclictest33-21ksoftirqd/220:16:492
18611993126,3cyclictest9-21ksoftirqd/022:55:370
18611993126,3cyclictest9-21ksoftirqd/019:52:200
18611993125,4cyclictest9-21ksoftirqd/023:46:330
18611993125,4cyclictest9-21ksoftirqd/022:26:410
18611993125,4cyclictest9-21ksoftirqd/000:22:500
18611993125,4cyclictest9-21ksoftirqd/000:22:500
18611993125,4cyclictest9-21ksoftirqd/000:03:450
18611993125,3cyclictest9-21ksoftirqd/023:25:350
134991310,0ptp4l401ktimersoftd/320:00:253
18614993025,3cyclictest41-21ksoftirqd/300:07:413
18614993024,4cyclictest41-21ksoftirqd/320:15:453
18614993024,4cyclictest41-21ksoftirqd/319:28:483
18614993024,3cyclictest41-21ksoftirqd/322:52:133
18611993025,3cyclictest9-21ksoftirqd/023:24:100
18611993025,3cyclictest9-21ksoftirqd/021:41:440
18611993025,3cyclictest9-21ksoftirqd/020:54:250
18611993025,3cyclictest9-21ksoftirqd/000:37:030
18611993024,4cyclictest9-21ksoftirqd/022:49:270
18611993024,4cyclictest9-21ksoftirqd/020:48:520
134991300,0ptp4l401ktimersoftd/322:37:183
134991300,0ptp4l401ktimersoftd/321:06:283
18614992923,4cyclictest41-21ksoftirqd/323:03:313
18614992923,4cyclictest41-21ksoftirqd/319:12:323
1861499292,25cyclictest401ktimersoftd/323:50:363
18613992925,3cyclictest33-21ksoftirqd/222:10:002
1861399290,8cyclictest33-21ksoftirqd/221:50:012
18611992924,3cyclictest9-21ksoftirqd/021:51:300
18611992924,3cyclictest9-21ksoftirqd/019:47:430
18611992924,3cyclictest9-21ksoftirqd/019:47:430
18611992923,4cyclictest9-21ksoftirqd/020:22:530
18611992923,4cyclictest9-21ksoftirqd/020:13:420
18614992823,3cyclictest41-21ksoftirqd/320:26:143
18613992825,2cyclictest33-21ksoftirqd/223:50:002
18611992823,3cyclictest9-21ksoftirqd/022:50:040
18611992823,3cyclictest9-21ksoftirqd/022:16:500
18611992822,4cyclictest9-21ksoftirqd/021:12:040
18611992822,4cyclictest9-21ksoftirqd/020:45:000
18611992822,4cyclictest9-21ksoftirqd/020:45:000
18614992722,3cyclictest41-21ksoftirqd/320:52:543
18614992722,3cyclictest41-21ksoftirqd/320:14:313
18613992722,3cyclictest33-21ksoftirqd/223:09:592
18611992722,3cyclictest9-21ksoftirqd/023:38:470
18611992721,4cyclictest9-21ksoftirqd/022:43:100
18614992621,3cyclictest41-21ksoftirqd/322:32:103
18611992621,3cyclictest9-21ksoftirqd/023:50:140
18611992621,3cyclictest9-21ksoftirqd/022:31:470
18611992621,3cyclictest9-21ksoftirqd/022:00:090
18611992520,3cyclictest9-21ksoftirqd/022:06:140
18611992520,3cyclictest9-21ksoftirqd/021:37:430
18611992520,3cyclictest9-21ksoftirqd/021:37:430
18611992520,3cyclictest9-21ksoftirqd/000:26:070
18611992419,3cyclictest9-21ksoftirqd/021:34:580
18611992318,3cyclictest9-21ksoftirqd/021:26:560
18611992318,3cyclictest9-21ksoftirqd/000:05:130
18611992217,3cyclictest9-21ksoftirqd/023:06:430
18611992217,3cyclictest9-21ksoftirqd/019:55:440
18611992216,4cyclictest9-21ksoftirqd/020:32:400
18611992015,3cyclictest21667-21df19:15:140
18611991812,4cyclictest13737-21seq20:07:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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