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2025-11-20 - 07:45
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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 Thu Nov 20, 2025 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319292690,4sleep00-21swapper/021:10:160
2847191670,5ptp4l0-21swapper/022:30:230
22690996629,7cyclictest41-21ksoftirqd/300:10:003
2847191650,4ptp4l41-21ksoftirqd/319:05:223
2847191650,4ptp4l0-21swapper/121:51:361
2847191650,4ptp4l0-21swapper/121:51:351
22690996531,9cyclictest41-21ksoftirqd/319:45:003
22690996531,9cyclictest41-21ksoftirqd/319:44:593
264702630,4sleep02268799cyclictest23:15:190
22690996227,7cyclictest41-21ksoftirqd/321:49:233
2847191610,13ptp4l20789-21hddtemp_smartct19:05:190
22690996131,3cyclictest41-21ksoftirqd/300:40:003
2847191600,5ptp4l0-21swapper/223:00:242
22690996028,7cyclictest41-21ksoftirqd/323:18:013
22690996026,9cyclictest41-21ksoftirqd/320:15:003
22690996026,9cyclictest41-21ksoftirqd/320:15:003
22690996023,8cyclictest41-21ksoftirqd/322:04:333
2847191590,4ptp4l0-21swapper/019:27:550
2847191590,3ptp4l0-21swapper/221:10:182
22690995925,7cyclictest41-21ksoftirqd/321:16:543
22690995925,7cyclictest41-21ksoftirqd/321:16:543
22690995922,9cyclictest41-21ksoftirqd/320:30:223
22690995827,8cyclictest41-21ksoftirqd/323:25:003
22690995826,3cyclictest41-21ksoftirqd/319:20:003
22690995825,4cyclictest41-21ksoftirqd/320:25:003
22690995726,10cyclictest41-21ksoftirqd/322:39:593
2847191560,4ptp4l0-21swapper/223:38:412
2269099563,7cyclictest41-21ksoftirqd/321:39:593
22690995625,9cyclictest41-21ksoftirqd/320:40:003
22690995624,6cyclictest41-21ksoftirqd/300:01:583
22690995619,7cyclictest41-21ksoftirqd/322:49:293
201212560,5sleep12268899cyclictest20:45:001
2847191550,5ptp4l0-21swapper/219:07:432
2847191550,4ptp4l0-21swapper/023:26:490
2847191550,3ptp4l0-21swapper/221:00:392
22690995529,3cyclictest41-21ksoftirqd/323:25:213
22690995524,9cyclictest41-21ksoftirqd/320:15:153
22690995524,6cyclictest41-21ksoftirqd/323:45:203
22690995523,4cyclictest41-21ksoftirqd/321:30:193
22690995521,7cyclictest41-21ksoftirqd/323:40:183
2847191540,5ptp4l0-21swapper/000:13:150
2847191540,4ptp4l0-21swapper/221:50:192
2847191540,4ptp4l0-21swapper/221:50:192
2847191540,4ptp4l0-21swapper/221:16:532
2847191540,4ptp4l0-21swapper/221:16:532
2847191540,4ptp4l0-21swapper/021:15:280
2847191540,4ptp4l0-21swapper/021:15:280
22690995424,8cyclictest41-21ksoftirqd/300:15:143
22690995424,3cyclictest41-21ksoftirqd/323:00:193
22690995423,9cyclictest41-21ksoftirqd/319:55:003
22690995423,8cyclictest41-21ksoftirqd/319:13:063
22690995422,7cyclictest41-21ksoftirqd/321:52:253
22690995422,7cyclictest41-21ksoftirqd/321:52:253
22690995422,7cyclictest41-21ksoftirqd/320:57:403
2847191530,4ptp4l0-21swapper/220:50:192
2847191530,4ptp4l0-21swapper/023:13:170
2847191530,4ptp4l0-21swapper/021:38:130
2847191530,4ptp4l0-21swapper/021:05:550
2847191530,4ptp4l0-21swapper/020:33:340
22690995322,4cyclictest41-21ksoftirqd/320:04:593
22690995318,8cyclictest41-21ksoftirqd/323:30:183
2847191520,4ptp4l0-21swapper/222:45:102
2847191520,4ptp4l0-21swapper/022:35:560
2847191520,4ptp4l0-21swapper/021:32:490
2847191520,4ptp4l0-21swapper/020:22:440
2847191520,18ptp4l0-21swapper/219:46:232
2847191520,10ptp4l20672-21diskstats19:05:181
22690995225,8cyclictest41-21ksoftirqd/323:50:183
22690995220,7cyclictest41-21ksoftirqd/322:15:293
22690995220,7cyclictest41-21ksoftirqd/300:25:143
22690995220,7cyclictest41-21ksoftirqd/300:25:143
22690995218,7cyclictest41-21ksoftirqd/322:50:243
2847191510,4ptp4l0-21swapper/023:43:110
2847191510,4ptp4l0-21swapper/023:09:080
2847191510,4ptp4l0-21swapper/023:02:110
2847191510,4ptp4l0-21swapper/022:17:190
2847191510,4ptp4l0-21swapper/021:04:320
2847191510,3ptp4l0-21swapper/319:56:493
2847191510,3ptp4l0-21swapper/200:37:392
2847191510,3ptp4l0-21swapper/022:02:490
22690995126,3cyclictest41-21ksoftirqd/300:20:163
22690995123,3cyclictest41-21ksoftirqd/319:24:263
22690995122,7cyclictest41-21ksoftirqd/321:40:253
22690995121,7cyclictest41-21ksoftirqd/300:10:213
22690995120,7cyclictest41-21ksoftirqd/322:40:103
2847191500,4ptp4l0-21swapper/320:29:313
2847191500,3ptp4l0-21swapper/023:37:180
2847191500,16ptp4l25-21ksoftirqd/123:10:211
22690995021,7cyclictest41-21ksoftirqd/321:10:223
22690995020,3cyclictest41-21ksoftirqd/320:50:213
22690995019,8cyclictest41-21ksoftirqd/320:45:183
2847191490,4ptp4l0-21swapper/220:01:472
2847191490,3ptp4l0-21swapper/219:23:272
2269099493,21cyclictest0-21swapper/322:27:033
22690994920,7cyclictest41-21ksoftirqd/321:05:153
22690994919,7cyclictest41-21ksoftirqd/320:06:493
2847191480,4ptp4l12178-21apt-get23:55:123
2847191480,4ptp4l0-21swapper/223:30:002
2847191480,4ptp4l0-21swapper/023:45:150
2847191480,3ptp4l0-21swapper/322:33:103
2847191480,3ptp4l0-21swapper/219:55:542
2847191480,12ptp4l0-21swapper/220:34:572
22690994819,3cyclictest41-21ksoftirqd/319:33:173
2269099480,4cyclictest41-21ksoftirqd/321:25:283
2847191470,4ptp4l0-21swapper/222:50:022
2847191470,10ptp4l0-21swapper/223:30:542
2269099475,8cyclictest41-21ksoftirqd/322:10:193
2269099472,2cyclictest0-21swapper/323:15:003
22690994718,6cyclictest41-21ksoftirqd/320:40:203
22690994717,9cyclictest41-21ksoftirqd/300:35:003
2847191460,3ptp4l0-21swapper/222:08:312
2847191460,10ptp4l0-21swapper/022:52:030
2847191460,10ptp4l0-21swapper/021:57:450
2847191460,10ptp4l0-21swapper/000:00:220
2269099466,3cyclictest41-21ksoftirqd/321:20:233
22690994613,8cyclictest41-21ksoftirqd/322:00:013
2268999462,42cyclictest0-21swapper/220:25:302
2847191450,4ptp4l0-21swapper/220:05:352
2847191450,12ptp4l0-21swapper/021:20:130
2268999458,36cyclictest22382-21kworker/2:221:05:292
2268999451,3cyclictest0-21swapper/222:25:292
2847191440,8ptp4l9-21ksoftirqd/000:28:270
2847191440,8ptp4l9-21ksoftirqd/000:28:270
2847191440,4ptp4l0-21swapper/021:53:060
2847191440,4ptp4l0-21swapper/021:53:050
2847191440,3ptp4l0-21swapper/221:33:382
2847191440,10ptp4l0-21swapper/022:58:340
22690994439,3cyclictest401ktimersoftd/323:35:213
2269099443,6cyclictest121rcu_preempt22:22:393
22690994412,8cyclictest41-21ksoftirqd/323:05:133
2847191430,4ptp4l4457-21apt-get22:30:132
2847191430,4ptp4l32387-21memory00:35:220
2847191430,4ptp4l18670-21memory20:40:220
2847191430,3ptp4l0-21swapper/222:24:572
2847191430,3ptp4l0-21swapper/220:42:522
2847191430,3ptp4l0-21swapper/219:39:042
2847191430,10ptp4l0-21swapper/223:41:522
2847191430,10ptp4l0-21swapper/200:06:112
2847191430,10ptp4l0-21swapper/000:09:170
2269099432,11cyclictest0-21swapper/322:05:173
2268999432,40cyclictest0-21swapper/221:55:292
2847191420,5ptp4l0-21swapper/223:45:312
2847191420,4ptp4l9873-21apt-get23:50:152
2847191420,4ptp4l492-21memory22:20:200
2847191420,4ptp4l19600-21apt-get00:10:142
2847191420,4ptp4l14788-21python21:40:252
2847191420,4ptp4l0-21swapper/222:59:312
2847191420,4ptp4l0-21swapper/021:45:480
2847191420,3ptp4l6057-21apt-get20:15:142
2847191420,10ptp4l0-21swapper/020:46:000
2269099424,7cyclictest41-21ksoftirqd/321:00:163
2847191410,9ptp4l0-21swapper/020:04:370
2847191410,5ptp4l0-21swapper/322:55:163
2847191410,5ptp4l0-21swapper/022:46:330
2847191410,5ptp4l0-21swapper/000:33:300
2847191410,4ptp4l0-21swapper/223:55:112
2847191410,4ptp4l0-21swapper/023:34:060
2847191410,4ptp4l0-21swapper/023:20:270
2847191410,4ptp4l0-21swapper/021:41:340
2847191410,4ptp4l0-21swapper/019:31:290
2847191410,4ptp4l0-21swapper/019:17:020
2847191410,4ptp4l0-21swapper/000:20:290
2847191410,3ptp4l28114-21apt-get23:20:112
2847191410,3ptp4l26138-21ntp_states22:05:230
2847191410,3ptp4l15368-21apt-get20:35:132
2269099411,3cyclictest121rcu_preempt19:37:423
2269099410,7cyclictest41-21ksoftirqd/319:50:003
2847191400,4ptp4l9315-21apt-get22:40:152
2847191400,4ptp4l0-21swapper/319:25:403
2847191400,4ptp4l0-21swapper/200:27:172
2847191400,4ptp4l0-21swapper/200:27:172
2847191400,4ptp4l0-21swapper/200:15:192
2847191400,4ptp4l0-21swapper/123:25:181
2847191400,4ptp4l0-21swapper/119:41:011
2847191400,4ptp4l0-21swapper/119:41:011
2847191400,4ptp4l0-21swapper/100:00:261
2847191400,4ptp4l0-21swapper/023:55:440
2847191400,4ptp4l0-21swapper/023:51:580
2847191400,4ptp4l0-21swapper/022:28:530
2847191400,4ptp4l0-21swapper/022:12:410
2847191400,4ptp4l0-21swapper/021:25:400
2847191400,4ptp4l0-21swapper/020:51:010
2847191400,4ptp4l0-21swapper/020:35:370
2847191400,4ptp4l0-21swapper/020:15:300
2847191400,4ptp4l0-21swapper/020:09:400
2847191400,4ptp4l0-21swapper/019:52:510
2847191400,4ptp4l0-21swapper/019:11:230
2847191400,4ptp4l0-21swapper/000:17:220
2847191400,3ptp4l6420-21apt-get21:25:162
2847191400,3ptp4l4417-21df_inode21:20:142
2847191400,3ptp4l28169-21irqstats22:10:162
2847191400,3ptp4l0-21swapper/223:06:162
2847191400,3ptp4l0-21swapper/022:42:570
2847191400,3ptp4l0-21swapper/019:48:040
2847191390,5ptp4l0-21swapper/223:10:112
2847191390,5ptp4l0-21swapper/221:45:262
2847191390,5ptp4l0-21swapper/019:21:400
2847191390,4ptp4l0-21swapper/223:16:592
2847191390,4ptp4l0-21swapper/220:59:112
2847191390,4ptp4l0-21swapper/220:10:402
2847191390,4ptp4l0-21swapper/220:10:402
2847191390,4ptp4l0-21swapper/219:53:322
2847191390,4ptp4l0-21swapper/219:42:282
2847191390,4ptp4l0-21swapper/219:42:282
2847191390,4ptp4l0-21swapper/219:32:102
2847191390,4ptp4l0-21swapper/200:30:172
2847191390,4ptp4l0-21swapper/200:20:172
2847191390,4ptp4l0-21swapper/200:03:582
2847191390,4ptp4l0-21swapper/122:46:071
2847191390,4ptp4l0-21swapper/122:43:161
2847191390,4ptp4l0-21swapper/121:05:191
2847191390,4ptp4l0-21swapper/119:46:301
2847191390,4ptp4l0-21swapper/119:28:381
2847191390,4ptp4l0-21swapper/100:05:161
2847191390,4ptp4l0-21swapper/020:55:180
2847191390,4ptp4l0-21swapper/020:27:100
2847191390,4ptp4l0-21swapper/019:56:130
2847191390,4ptp4l0-21swapper/019:37:330
2847191390,3ptp4l0-21swapper/222:36:182
2847191390,3ptp4l0-21swapper/100:38:211
2847191390,3ptp4l0-21swapper/100:20:431
2847191390,3ptp4l0-21swapper/100:17:231
2847191390,3ptp4l0-21swapper/019:40:260
2847191390,3ptp4l0-21swapper/019:40:260
2847191380,4ptp4l29886-21df_abs22:15:152
2847191380,4ptp4l11494-21grep21:35:172
2847191380,4ptp4l0-21swapper/222:01:312
2847191380,4ptp4l0-21swapper/220:21:102
2847191380,4ptp4l0-21swapper/219:25:072
2847191380,4ptp4l0-21swapper/219:11:262
2847191380,4ptp4l0-21swapper/122:56:431
2847191380,4ptp4l0-21swapper/122:27:411
2847191380,4ptp4l0-21swapper/122:15:521
2847191380,4ptp4l0-21swapper/121:30:291
2847191380,4ptp4l0-21swapper/121:16:531
2847191380,4ptp4l0-21swapper/121:16:531
2847191380,4ptp4l0-21swapper/120:33:341
2847191380,4ptp4l0-21swapper/119:39:411
2847191380,4ptp4l0-21swapper/119:32:441
2847191380,3ptp4l0-21swapper/220:45:342
2847191380,3ptp4l0-21swapper/219:18:122
2847191380,3ptp4l0-21swapper/123:21:181
2847191380,3ptp4l0-21swapper/122:53:551
2847191380,3ptp4l0-21swapper/120:52:041
2847191380,3ptp4l0-21swapper/020:10:480
2847191380,3ptp4l0-21swapper/020:10:480
22688993833,3cyclictest25-21ksoftirqd/123:20:001
2847191370,4ptp4l0-21swapper/123:49:371
2847191370,4ptp4l0-21swapper/123:03:411
2847191370,4ptp4l0-21swapper/100:25:261
2847191370,4ptp4l0-21swapper/100:25:261
2847191370,3ptp4l0-21swapper/123:56:061
2847191370,3ptp4l0-21swapper/122:36:121
2847191370,3ptp4l0-21swapper/122:22:291
2847191370,3ptp4l0-21swapper/120:59:081
2847191370,3ptp4l0-21swapper/120:40:241
2847191370,3ptp4l0-21swapper/120:38:411
2847191370,3ptp4l0-21swapper/119:21:381
2847191370,3ptp4l0-21swapper/100:10:221
2847191360,4ptp4l0-21swapper/100:34:371
2847191360,3ptp4l25-21ksoftirqd/122:30:241
2847191360,3ptp4l1299-21runrttasks20:10:571
2847191360,3ptp4l1299-21runrttasks20:10:571
2847191360,3ptp4l0-21swapper/121:48:341
2847191360,3ptp4l0-21swapper/121:00:221
2847191350,3ptp4l0-21swapper/120:03:251
2847191350,3ptp4l0-21swapper/119:15:081
22688993126,3cyclictest0-21swapper/123:53:121
22688993125,4cyclictest25-21ksoftirqd/119:12:141
2847191300,3ptp4l0-21swapper/121:37:071
2847191290,3ptp4l0-21swapper/119:53:481
22688992925,3cyclictest25-21ksoftirqd/123:35:181
2847191280,6ptp4l0-21swapper/119:58:051
2847191280,4ptp4l0-21swapper/121:22:121
2847191270,3ptp4l0-21swapper/120:23:201
22688992722,3cyclictest25-21ksoftirqd/122:15:001
2847191260,4ptp4l0-21swapper/123:40:501
2847191260,4ptp4l0-21swapper/121:43:091
2847191260,3ptp4l0-21swapper/121:10:491
22688992621,3cyclictest25-21ksoftirqd/123:34:591
2847191250,4ptp4l0-21swapper/123:08:111
2847191250,4ptp4l0-21swapper/122:02:271
2847191250,4ptp4l0-21swapper/121:58:371
2847191250,4ptp4l0-21swapper/120:15:361
22688992520,3cyclictest25-21ksoftirqd/122:09:181
22688992520,3cyclictest25-21ksoftirqd/120:06:091
2847191230,3ptp4l0-21swapper/120:26:161
22688992015,3cyclictest7009-21sh21:25:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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