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2025-11-15 - 13:51
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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 highest latencies:
System rackdslot1.osadl.org (updated Sat Nov 15, 2025 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191670,25ptp4l22386-21latency_hist20:10:010
2847191620,4ptp4l0-21swapper/022:54:030
2847191610,4ptp4l0-21swapper/321:04:503
2847191610,4ptp4l0-21swapper/320:01:283
2847191610,3ptp4l30153-21/usr/sbin/munin19:15:220
2847191600,10ptp4l23741-21kworker/2:200:15:252
300632590,4sleep00-21swapper/020:25:200
2847191590,3ptp4l0-21swapper/123:25:001
2847191580,3ptp4l14394-21ls19:50:260
2847191580,3ptp4l0-21swapper/221:42:012
2847191570,4ptp4l0-21swapper/022:48:390
2847191570,3ptp4l0-21swapper/123:40:161
2847191570,3ptp4l0-21swapper/120:29:561
2847191570,3ptp4l0-21swapper/000:05:150
2847191560,4ptp4l0-21swapper/022:27:530
2847191550,4ptp4l0-21swapper/021:18:330
2847191540,4ptp4l0-21swapper/221:27:332
2847191540,4ptp4l0-21swapper/221:19:522
2847191540,4ptp4l0-21swapper/021:28:490
2847191540,3ptp4l0-21swapper/021:05:260
2847191530,5ptp4l0-21swapper/021:23:480
2847191530,4ptp4l3379-21cpuspeed_turbos22:55:150
2847191530,4ptp4l0-21swapper/220:40:122
2847191530,4ptp4l0-21swapper/219:24:392
2847191530,4ptp4l0-21swapper/023:56:010
2847191530,4ptp4l0-21swapper/022:34:250
2847191530,4ptp4l0-21swapper/022:20:180
2847191530,4ptp4l0-21swapper/022:00:150
2847191530,4ptp4l0-21swapper/019:59:500
2847191530,4ptp4l0-21swapper/000:14:020
2847191530,3ptp4l0-21swapper/100:13:121
125102530,4sleep00-21swapper/023:15:010
2847191520,6ptp4l9-21ksoftirqd/000:03:380
2847191520,4ptp4l0-21swapper/322:52:483
2847191520,4ptp4l0-21swapper/221:30:092
2847191520,4ptp4l0-21swapper/220:52:302
2847191520,4ptp4l0-21swapper/219:53:092
2847191520,4ptp4l0-21swapper/022:13:490
2847191520,4ptp4l0-21swapper/020:42:380
2847191520,4ptp4l0-21swapper/000:20:300
2847191520,2ptp4l9-21ksoftirqd/023:20:320
2847191510,4ptp4l0-21swapper/320:20:563
2847191510,4ptp4l0-21swapper/223:57:162
2847191510,4ptp4l0-21swapper/222:24:072
2847191510,4ptp4l0-21swapper/221:02:172
2847191510,4ptp4l0-21swapper/122:49:371
2847191510,4ptp4l0-21swapper/023:28:150
2847191510,4ptp4l0-21swapper/020:45:160
2847191510,3ptp4l19730-21apt-get23:30:140
2847191510,3ptp4l14253-21vmstat23:15:300
2847191500,4ptp4l0-21swapper/223:30:422
2847191500,4ptp4l0-21swapper/223:16:532
2847191500,4ptp4l0-21swapper/220:14:592
2847191500,4ptp4l0-21swapper/219:57:142
2847191500,4ptp4l0-21swapper/200:28:072
2847191500,4ptp4l0-21swapper/019:06:200
2847191500,4ptp4l0-21swapper/019:06:200
2847191500,3ptp4l0-21swapper/220:19:322
2847191500,3ptp4l0-21swapper/220:09:462
2847191500,3ptp4l0-21swapper/021:50:180
2847191490,4ptp4l0-21swapper/223:52:152
2847191490,4ptp4l0-21swapper/100:19:161
2847191490,4ptp4l0-21swapper/022:38:120
2847191490,4ptp4l0-21swapper/021:14:480
2847191490,3ptp4l0-21swapper/019:37:490
2847191480,3ptp4l0-21swapper/321:31:363
2847191480,3ptp4l0-21swapper/021:32:330
2847191480,3ptp4l0-21swapper/021:00:160
2847191470,3ptp4l0-21swapper/223:02:542
2847191470,3ptp4l0-21swapper/123:50:311
2847191470,3ptp4l0-21swapper/023:00:210
2847191470,3ptp4l0-21swapper/022:17:340
2847191470,3ptp4l0-21swapper/021:46:280
2847191470,1ptp4l0-21swapper/120:41:091
2847191460,6ptp4l0-21swapper/219:10:132
2847191460,3ptp4l0-21swapper/319:44:123
2847191460,3ptp4l0-21swapper/020:32:200
2847191450,9ptp4l0-21swapper/220:36:102
2847191450,7ptp4l0-21swapper/119:05:011
2847191450,7ptp4l0-21swapper/119:05:011
2847191450,5ptp4l0-21swapper/200:35:122
2847191450,4ptp4l0-21swapper/322:31:083
2847191450,3ptp4l0-21swapper/023:42:150
2847191440,9ptp4l0-21swapper/221:39:482
2847191440,4ptp4l27472-21memory19:10:211
2847191440,4ptp4l0-21swapper/019:45:200
2847191440,3ptp4l0-21swapper/222:05:592
2847191430,9ptp4l0-21swapper/223:46:392
2847191430,8ptp4l0-21swapper/222:13:152
2847191430,4ptp4l8346-21apt-get19:40:140
2847191430,4ptp4l32230-21irqstats19:20:221
2847191430,4ptp4l31098-21ntp_states21:35:251
2847191430,4ptp4l22900-21irqstats23:35:220
2847191430,4ptp4l22395-21ntp_states22:25:243
2847191430,4ptp4l19672-21apt-get20:05:011
2847191430,4ptp4l0-21swapper/223:35:152
2847191430,3ptp4l9478-21apt-get22:00:131
41798420,5rtkit-daemon0-21swapper/323:25:143
2847191420,5ptp4l619-21ntpq20:30:221
2847191420,5ptp4l1880-21/usr/sbin/munin19:25:181
2847191420,5ptp4l1293-21snmpd20:16:153
2847191420,5ptp4l0-21swapper/122:15:321
2847191420,4ptp4l3432-21meminfo21:45:221
2847191420,4ptp4l31647-21users21:35:290
2847191420,4ptp4l29411-21meminfo22:40:242
2847191420,4ptp4l25265-21users22:30:311
2847191420,4ptp4l19170-21df22:20:141
2847191420,4ptp4l0-21swapper/221:08:252
2847191420,4ptp4l0-21swapper/219:32:592
2847191420,4ptp4l0-21swapper/121:25:221
2847191420,3ptp4l6599-21apt-get20:45:161
2847191420,3ptp4l4838-21apt-get21:50:121
2847191420,3ptp4l30760-21apt-get22:45:142
2847191420,3ptp4l2799-21apt-get22:55:011
2847191420,3ptp4l27364-21irqstats19:10:190
2847191420,3ptp4l22436-21apt-get20:10:120
2847191420,3ptp4l16981-21ntp_states21:05:261
2847191420,3ptp4l16234-21meminfo19:55:211
2847191420,3ptp4l14972-21ls21:00:271
2847191420,3ptp4l12565-21apt-get23:15:131
2847191420,3ptp4l0-21swapper/123:45:361
2847191410,5ptp4l0-21swapper/221:20:282
2847191410,5ptp4l0-21swapper/019:20:180
2847191410,4ptp4l9223-21diskstats20:50:153
2847191410,4ptp4l4666-21memory19:30:231
2847191410,4ptp4l28052-21meminfo20:20:201
2847191410,4ptp4l15657-21df00:30:161
2847191410,4ptp4l0-21swapper/322:58:373
2847191410,4ptp4l0-21swapper/322:24:263
2847191410,4ptp4l0-21swapper/321:16:503
2847191410,4ptp4l0-21swapper/320:12:383
2847191410,4ptp4l0-21swapper/223:24:412
2847191410,4ptp4l0-21swapper/222:30:142
2847191410,4ptp4l0-21swapper/222:19:012
2847191410,4ptp4l0-21swapper/220:59:322
2847191410,4ptp4l0-21swapper/220:45:202
2847191410,4ptp4l0-21swapper/220:30:212
2847191410,4ptp4l0-21swapper/220:25:592
2847191410,4ptp4l0-21swapper/220:20:412
2847191410,4ptp4l0-21swapper/219:39:412
2847191410,4ptp4l0-21swapper/123:00:211
2847191410,4ptp4l0-21swapper/122:50:151
2847191410,4ptp4l0-21swapper/122:25:161
2847191410,4ptp4l0-21swapper/021:56:370
2847191410,4ptp4l0-21swapper/020:58:160
2847191410,4ptp4l0-21swapper/020:53:040
2847191410,4ptp4l0-21swapper/020:00:160
2847191410,3ptp4l3861-21df19:30:160
2847191410,3ptp4l32028-21apt-get21:40:021
2847191410,3ptp4l28606-21apt-get19:15:021
2847191410,3ptp4l2755-21/usr/sbin/munin20:35:211
2847191410,3ptp4l20645-21gpg-connect-age21:15:021
2847191410,3ptp4l1590-21df_inode19:25:140
2847191410,3ptp4l14683-21iostat_ios22:10:201
2847191410,3ptp4l12172-21meminfo20:55:201
2847191410,3ptp4l0-21swapper/320:56:443
2847191410,3ptp4l0-21swapper/200:30:242
2847191410,3ptp4l0-21swapper/023:49:200
2847191410,3ptp4l0-21swapper/000:30:140
2648299412,37cyclictest0-21swapper/120:10:391
2847191400,9ptp4l0-21swapper/100:21:491
2847191400,5ptp4l0-21swapper/322:45:133
2847191400,5ptp4l0-21swapper/321:28:063
2847191400,4ptp4l6498-21diskstats00:10:172
2847191400,4ptp4l29012-21taskset20:23:110
2847191400,4ptp4l28238-21iostat_ios21:30:221
2847191400,4ptp4l17785-21cpuspeed_turbos20:00:151
2847191400,4ptp4l0-21swapper/323:58:493
2847191400,4ptp4l0-21swapper/323:54:523
2847191400,4ptp4l0-21swapper/323:03:413
2847191400,4ptp4l0-21swapper/322:13:393
2847191400,4ptp4l0-21swapper/322:06:133
2847191400,4ptp4l0-21swapper/321:45:583
2847191400,4ptp4l0-21swapper/321:22:103
2847191400,4ptp4l0-21swapper/321:08:233
2847191400,4ptp4l0-21swapper/320:45:333
2847191400,4ptp4l0-21swapper/320:39:253
2847191400,4ptp4l0-21swapper/319:31:063
2847191400,4ptp4l0-21swapper/319:22:483
2847191400,4ptp4l0-21swapper/300:25:353
2847191400,4ptp4l0-21swapper/300:13:473
2847191400,4ptp4l0-21swapper/223:41:122
2847191400,4ptp4l0-21swapper/223:11:222
2847191400,4ptp4l0-21swapper/223:08:102
2847191400,4ptp4l0-21swapper/222:50:102
2847191400,4ptp4l0-21swapper/222:36:032
2847191400,4ptp4l0-21swapper/222:25:032
2847191400,4ptp4l0-21swapper/222:00:512
2847191400,4ptp4l0-21swapper/221:56:332
2847191400,4ptp4l0-21swapper/221:54:242
2847191400,4ptp4l0-21swapper/221:45:102
2847191400,4ptp4l0-21swapper/221:11:182
2847191400,4ptp4l0-21swapper/220:02:232
2847191400,4ptp4l0-21swapper/219:47:022
2847191400,4ptp4l0-21swapper/219:25:342
2847191400,4ptp4l0-21swapper/219:15:372
2847191400,4ptp4l0-21swapper/200:05:412
2847191400,4ptp4l0-21swapper/200:02:132
2847191400,4ptp4l0-21swapper/123:35:161
2847191400,4ptp4l0-21swapper/123:20:151
2847191400,4ptp4l0-21swapper/122:43:111
2847191400,4ptp4l0-21swapper/122:10:001
2847191400,4ptp4l0-21swapper/121:20:201
2847191400,4ptp4l0-21swapper/120:15:451
2847191400,4ptp4l0-21swapper/119:45:281
2847191400,4ptp4l0-21swapper/119:35:241
2847191400,4ptp4l0-21swapper/100:00:271
2847191400,4ptp4l0-21swapper/023:50:200
2847191400,4ptp4l0-21swapper/022:41:350
2847191400,4ptp4l0-21swapper/021:40:270
2847191400,4ptp4l0-21swapper/020:15:140
2847191400,3ptp4l9294-21ls19:40:212
2847191400,3ptp4l7466-21diskstats21:55:151
2847191400,3ptp4l2209-21df_inode20:35:170
2847191400,3ptp4l0-21swapper/121:10:121
2847191400,2ptp4l11778-21/usr/sbin/munin22:05:200
2847191390,5ptp4l0-21swapper/319:39:163
2847191390,4ptp4l31697-21tune2fs23:55:171
2847191390,4ptp4l0-21swapper/323:22:123
2847191390,4ptp4l0-21swapper/323:05:153
2847191390,4ptp4l0-21swapper/321:56:343
2847191390,4ptp4l0-21swapper/321:51:383
2847191390,4ptp4l0-21swapper/321:10:083
2847191390,4ptp4l0-21swapper/320:40:113
2847191390,4ptp4l0-21swapper/319:55:093
2847191390,4ptp4l0-21swapper/319:47:423
2847191390,4ptp4l0-21swapper/319:25:173
2847191390,4ptp4l0-21swapper/319:15:413
2847191390,4ptp4l0-21swapper/300:39:473
2847191390,4ptp4l0-21swapper/300:30:293
2847191390,4ptp4l0-21swapper/300:15:423
2847191390,4ptp4l0-21swapper/223:26:092
2847191390,4ptp4l0-21swapper/222:56:022
2847191390,4ptp4l0-21swapper/200:24:212
2847191390,4ptp4l0-21swapper/123:10:281
2847191390,4ptp4l0-21swapper/122:38:141
2847191390,4ptp4l0-21swapper/100:38:031
2847191390,4ptp4l0-21swapper/100:25:181
2847191390,3ptp4l0-21swapper/323:46:143
2847191390,3ptp4l0-21swapper/322:19:323
2847191390,3ptp4l0-21swapper/320:26:303
2847191390,3ptp4l0-21swapper/319:50:243
2847191390,3ptp4l0-21swapper/319:13:023
2847191390,3ptp4l0-21swapper/300:21:233
2847191390,3ptp4l0-21swapper/119:40:121
2847191390,3ptp4l0-21swapper/100:05:191
2847191390,2ptp4l0-21swapper/119:51:451
41798380,4rtkit-daemon0-21swapper/300:05:363
2847191380,5ptp4l0-21swapper/123:05:171
2847191380,4ptp4l0-21swapper/323:10:433
2847191380,4ptp4l0-21swapper/322:03:093
2847191380,4ptp4l0-21swapper/320:05:333
2847191380,4ptp4l0-21swapper/023:08:130
2847191380,4ptp4l0-21swapper/000:37:260
2847191380,4ptp4l0-21swapper/000:25:190
2847191380,4ptp4l0-21swapper/000:16:370
2847191380,3ptp4l0-21swapper/322:40:083
2847191380,3ptp4l0-21swapper/321:44:423
2847191380,3ptp4l0-21swapper/321:37:163
2847191380,3ptp4l0-21swapper/320:30:263
2847191380,3ptp4l0-21swapper/123:31:221
2847191380,3ptp4l0-21swapper/120:50:131
2847191370,4ptp4l0-21swapper/323:41:123
2847191370,4ptp4l0-21swapper/323:38:153
2847191370,4ptp4l0-21swapper/300:01:373
2847191370,3ptp4l0-21swapper/323:30:373
2847191370,3ptp4l0-21swapper/323:19:483
2847191360,3ptp4l0-21swapper/322:38:533
241062243,13sleep223676-21apt-get19:05:032
241062243,13sleep223676-21apt-get19:05:022
255662175,6sleep30-21swapper/319:05:283
255662175,6sleep30-21swapper/319:05:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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