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2026-05-03 - 16:11
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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 Sun May 03, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178122800,4sleep117815-21sendmail_mailqu11:15:241
134491750,3ptp4l0-21swapper/312:39:423
14182650,5sleep10-21swapper/111:50:231
134491630,3ptp4l22531-21users07:55:282
134491630,21ptp4l0-21swapper/311:42:013
134491600,4ptp4l0-21swapper/309:40:293
134491590,4ptp4l0-21swapper/307:35:273
134491590,4ptp4l0-21swapper/009:00:180
134491580,4ptp4l0-21swapper/112:35:281
134491580,4ptp4l0-21swapper/011:25:170
134491580,4ptp4l0-21swapper/010:50:170
134491570,4ptp4l0-21swapper/311:55:183
134491570,4ptp4l0-21swapper/007:20:230
134491570,14ptp4l0-21swapper/009:15:290
134491560,4ptp4l0-21swapper/311:06:133
134491560,4ptp4l0-21swapper/310:36:083
208592550,5sleep23215199cyclictest10:15:012
134491550,3ptp4l0-21swapper/207:17:132
134491540,3ptp4l0-21swapper/207:42:572
134491540,3ptp4l0-21swapper/207:42:562
134491540,10ptp4l0-21swapper/307:10:143
134491540,10ptp4l0-21swapper/307:10:143
134491530,3ptp4l8636-21mailstats10:55:250
134491530,3ptp4l0-21swapper/307:24:073
134491530,12ptp4l29819-21apt-get07:05:141
134491520,5ptp4l0-21swapper/107:40:281
134491520,5ptp4l0-21swapper/107:40:281
134491520,4ptp4l0-21swapper/210:28:432
134491520,4ptp4l0-21swapper/109:02:271
134491520,3ptp4l0-21swapper/309:12:563
134491520,3ptp4l0-21swapper/210:15:102
134491520,3ptp4l0-21swapper/011:00:250
134491510,4ptp4l0-21swapper/312:06:063
134491510,4ptp4l0-21swapper/212:29:592
134491510,4ptp4l0-21swapper/211:05:232
134491510,3ptp4l0-21swapper/310:49:103
134491510,3ptp4l0-21swapper/310:42:403
134491500,4ptp4l0-21swapper/308:31:103
134491500,4ptp4l0-21swapper/211:44:462
134491500,4ptp4l0-21swapper/210:00:342
134491500,4ptp4l0-21swapper/209:22:162
134491500,4ptp4l0-21swapper/012:16:090
134491500,4ptp4l0-21swapper/012:01:090
134491500,18ptp4l25-21ksoftirqd/108:58:131
134491500,18ptp4l25-21ksoftirqd/108:58:121
134491500,17ptp4l0-21swapper/210:24:592
134491500,12ptp4l0-21swapper/308:40:193
134491490,4ptp4l3215299cyclictest11:00:563
134491490,4ptp4l3214999cyclictest12:37:220
134491490,4ptp4l3214999cyclictest08:58:100
134491490,4ptp4l3214999cyclictest08:58:100
134491490,4ptp4l0-21swapper/309:46:113
134491490,4ptp4l0-21swapper/309:19:473
134491490,4ptp4l0-21swapper/308:46:543
134491490,4ptp4l0-21swapper/308:03:543
134491490,4ptp4l0-21swapper/307:59:113
134491490,4ptp4l0-21swapper/307:29:563
134491490,3ptp4l0-21swapper/210:45:182
134491490,3ptp4l0-21swapper/208:50:472
134491490,14ptp4l27118-21which10:25:283
134491480,4ptp4l0-21swapper/310:10:103
134491480,4ptp4l0-21swapper/212:04:582
134491480,4ptp4l0-21swapper/108:17:131
134491480,4ptp4l0-21swapper/007:59:200
134491480,4ptp4l0-21swapper/007:50:200
134491480,3ptp4l0-21swapper/208:12:292
134491480,13ptp4l0-21swapper/110:20:001
134491470,8ptp4l31897-21ls07:10:000
134491470,4ptp4l3215299cyclictest09:07:003
134491470,4ptp4l0-21swapper/310:00:003
134491470,4ptp4l0-21swapper/211:48:532
134491470,4ptp4l0-21swapper/012:34:470
134491470,4ptp4l0-21swapper/008:37:390
134491470,3ptp4l0-21swapper/312:32:233
134491470,3ptp4l0-21swapper/211:00:402
134491470,11ptp4l0-21swapper/112:00:231
134491460,4ptp4l0-21swapper/008:43:320
134491460,3ptp4l0-21swapper/209:36:392
134491460,11ptp4l0-21swapper/009:30:170
134491450,4ptp4l0-21swapper/209:54:482
134491450,4ptp4l0-21swapper/209:26:562
134491450,4ptp4l0-21swapper/009:28:180
134491450,4ptp4l0-21swapper/007:30:340
134491450,3ptp4l0-21swapper/308:52:063
134491450,3ptp4l0-21swapper/209:10:172
134491450,11ptp4l0-21swapper/109:05:281
134491440,9ptp4l0-21swapper/008:07:460
134491440,4ptp4l18568-21apt-get07:50:131
134491440,4ptp4l0-21swapper/209:58:032
134491440,3ptp4l0-21swapper/311:52:233
134491440,3ptp4l0-21swapper/207:20:042
134491440,10ptp4l0-21swapper/010:46:090
134491430,6ptp4l28621-21iostat11:40:191
134491430,6ptp4l17567-21/usr/sbin/munin12:25:220
134491430,5ptp4l5822-21meminfo09:40:200
134491430,5ptp4l0-21swapper/112:15:171
134491430,4ptp4l32392-21apt-get08:20:113
134491430,4ptp4l0-21swapper/309:50:473
134491430,4ptp4l0-21swapper/209:41:212
134491430,4ptp4l0-21swapper/009:55:410
134491430,3ptp4l0-21swapper/209:03:442
134491430,10ptp4l0-21swapper/011:56:250
134491420,8ptp4l0-21swapper/308:17:143
134491420,5ptp4l0-21swapper/012:20:170
134491420,4ptp4l9315-21apt-get08:40:131
134491420,4ptp4l8112-21ntp_states08:35:233
134491420,4ptp4l30545-21df_inode09:25:161
134491420,4ptp4l12896-21memory11:05:211
134491420,4ptp4l0-21swapper/312:15:453
134491420,4ptp4l0-21swapper/310:05:283
134491420,4ptp4l0-21swapper/011:33:160
134491420,10ptp4l0-21swapper/008:51:260
32150994136,3cyclictest25-21ksoftirqd/109:40:001
134491410,6ptp4l9-21ksoftirqd/009:50:000
134491410,6ptp4l3780-21/usr/sbin/munin10:45:211
134491410,5ptp4l32031-21users11:45:290
134491410,5ptp4l0-21swapper/307:15:303
134491410,5ptp4l0-21swapper/010:35:210
134491410,5ptp4l0-21swapper/009:50:140
134491410,4ptp4l28612-21irqstats08:10:173
134491410,4ptp4l24407-21ntp_states10:20:223
134491410,4ptp4l23760-21hddtemp_smartct09:10:170
134491410,4ptp4l22247-21meminfo12:35:212
134491410,4ptp4l18846-21apt-get11:20:112
134491410,4ptp4l17617-21python07:45:273
134491410,4ptp4l15089-21ntp_states07:40:233
134491410,4ptp4l15089-21ntp_states07:40:223
134491410,4ptp4l0-21swapper/311:36:263
134491410,4ptp4l0-21swapper/309:34:173
134491410,4ptp4l0-21swapper/112:27:511
134491410,4ptp4l0-21swapper/011:54:590
134491410,4ptp4l0-21swapper/010:05:280
134491410,3ptp4l7316-21apt-get10:55:123
134491410,3ptp4l3215299cyclictest09:03:583
134491410,3ptp4l16415-21apt-get08:55:113
134491410,3ptp4l16415-21apt-get08:55:113
134491410,3ptp4l14191-21apt-get12:20:112
134491410,3ptp4l13243-21ls08:45:262
134491410,3ptp4l0-21swapper/212:05:572
134491410,3ptp4l0-21swapper/211:51:172
134491410,3ptp4l0-21swapper/210:43:472
134491410,3ptp4l0-21swapper/208:25:462
134491410,3ptp4l0-21swapper/008:24:310
134691400,10getstats0-21swapper/010:10:100
134491400,6ptp4l15424-21cat07:40:270
134491400,6ptp4l15424-21cat07:40:270
134491400,5ptp4l5005-21/usr/sbin/munin08:30:140
134491400,5ptp4l3215099cyclictest12:05:261
134491400,5ptp4l0-21swapper/312:20:133
134491400,5ptp4l0-21swapper/211:35:132
134491400,5ptp4l0-21swapper/207:35:112
134491400,5ptp4l0-21swapper/111:25:271
134491400,5ptp4l0-21swapper/011:20:170
134491400,5ptp4l0-21swapper/009:38:440
134491400,4ptp4l6605-21apt-get07:25:040
134491400,4ptp4l26306-21iostat_ios11:35:180
134491400,4ptp4l22099-21meminfo11:25:192
134491400,4ptp4l0-21swapper/312:10:553
134491400,4ptp4l0-21swapper/311:19:283
134491400,4ptp4l0-21swapper/310:15:013
134491400,4ptp4l0-21swapper/310:00:113
134491400,4ptp4l0-21swapper/212:10:222
134491400,4ptp4l0-21swapper/209:34:372
134491400,4ptp4l0-21swapper/207:31:592
134491400,4ptp4l0-21swapper/111:35:291
134491400,4ptp4l0-21swapper/110:10:221
134491400,4ptp4l0-21swapper/012:05:190
134491400,4ptp4l0-21swapper/011:16:320
134491400,4ptp4l0-21swapper/011:10:310
134491400,4ptp4l0-21swapper/009:08:290
134491400,4ptp4l0-21swapper/008:13:510
134491400,3ptp4l4701-21apt-get08:30:101
134491400,3ptp4l29268-21ls08:10:251
134491400,3ptp4l26470-21irqstats09:15:202
134491400,3ptp4l18999-21apt-get12:30:112
134491400,3ptp4l13611-21users11:05:290
32151993934,3cyclictest33-21ksoftirqd/210:57:162
32151993933,4cyclictest33-21ksoftirqd/207:28:522
134491390,5ptp4l0-21swapper/311:45:253
134491390,5ptp4l0-21swapper/311:30:143
134491390,5ptp4l0-21swapper/211:30:152
134491390,5ptp4l0-21swapper/207:45:182
134491390,5ptp4l0-21swapper/111:48:391
134491390,5ptp4l0-21swapper/007:35:120
134491390,4ptp4l30604-21df10:35:152
134491390,4ptp4l2552-21apt-get09:35:143
134491390,4ptp4l16961-21hddtemp_smartct11:15:162
134491390,4ptp4l14647-21iostat10:00:181
134491390,4ptp4l14564-21if_enp1s010:00:170
134491390,4ptp4l12989-21ntp_states12:15:222
134491390,4ptp4l0-21swapper/312:26:063
134491390,4ptp4l0-21swapper/312:00:163
134491390,4ptp4l0-21swapper/311:25:133
134491390,4ptp4l0-21swapper/311:20:113
134491390,4ptp4l0-21swapper/311:10:203
134491390,4ptp4l0-21swapper/310:30:183
134491390,4ptp4l0-21swapper/309:25:473
134491390,4ptp4l0-21swapper/307:50:153
134491390,4ptp4l0-21swapper/307:30:303
134491390,4ptp4l0-21swapper/210:52:572
134491390,4ptp4l0-21swapper/210:30:132
134491390,4ptp4l0-21swapper/209:45:222
134491390,4ptp4l0-21swapper/112:10:101
134491390,4ptp4l0-21swapper/111:55:321
134491390,4ptp4l0-21swapper/111:30:161
134491390,4ptp4l0-21swapper/110:50:191
134491390,4ptp4l0-21swapper/110:39:311
134491390,4ptp4l0-21swapper/109:50:191
134491390,4ptp4l0-21swapper/109:45:261
134491390,4ptp4l0-21swapper/109:30:071
134491390,4ptp4l0-21swapper/108:51:471
134491390,4ptp4l0-21swapper/107:45:261
134491390,4ptp4l0-21swapper/107:20:511
134491390,4ptp4l0-21swapper/012:14:410
134491390,4ptp4l0-21swapper/011:41:150
134491390,4ptp4l0-21swapper/010:33:550
134491390,4ptp4l0-21swapper/010:17:270
134491390,4ptp4l0-21swapper/009:20:220
134491390,4ptp4l0-21swapper/008:46:270
134491390,4ptp4l0-21swapper/008:01:110
134491390,4ptp4l0-21swapper/007:45:140
134491390,4ptp4l0-21swapper/007:16:550
134491390,3ptp4l6999-21apt-get08:35:112
134491390,3ptp4l5003-21/usr/sbin/munin10:50:153
134491390,3ptp4l26758-21memory10:25:231
134491390,3ptp4l25477-21apt-get08:05:113
134491390,3ptp4l1467-21ntpq10:40:230
134491390,3ptp4l0-21swapper/309:20:153
134491390,3ptp4l0-21swapper/208:18:232
134491390,3ptp4l0-21swapper/007:12:510
134491390,3ptp4l0-21swapper/007:12:510
134491380,5ptp4l1546-21taskset07:10:491
134491380,5ptp4l1546-21taskset07:10:491
134491380,5ptp4l0-21swapper/308:25:133
134491380,5ptp4l0-21swapper/208:20:132
134491380,4ptp4l0-21swapper/211:55:122
134491380,4ptp4l0-21swapper/211:12:092
134491380,4ptp4l0-21swapper/208:57:592
134491380,4ptp4l0-21swapper/208:57:592
134491380,4ptp4l0-21swapper/208:34:552
134491380,4ptp4l0-21swapper/208:03:432
134491380,4ptp4l0-21swapper/111:10:391
134491380,4ptp4l0-21swapper/110:55:221
134491380,4ptp4l0-21swapper/109:20:131
134491380,4ptp4l0-21swapper/109:15:321
134491380,4ptp4l0-21swapper/108:27:481
134491380,4ptp4l0-21swapper/108:20:211
134491380,4ptp4l0-21swapper/108:02:131
134491380,4ptp4l0-21swapper/107:59:361
134491380,4ptp4l0-21swapper/107:35:121
134491380,4ptp4l0-21swapper/107:28:561
134491380,4ptp4l0-21swapper/107:15:201
134491380,4ptp4l0-21swapper/010:25:010
134491380,4ptp4l0-21swapper/010:20:070
134491380,4ptp4l0-21swapper/008:25:100
134491380,4ptp4l0-21swapper/008:15:110
134491380,3ptp4l26427-21meminfo08:05:202
134491380,3ptp4l15127-21ls12:20:181
134491380,3ptp4l0-21swapper/210:05:202
134491380,3ptp4l0-21swapper/209:05:152
134491380,3ptp4l0-21swapper/207:50:152
134491380,3ptp4l0-21swapper/207:10:192
134491380,3ptp4l0-21swapper/207:10:192
134491380,3ptp4l0-21swapper/110:42:501
134491380,3ptp4l0-21swapper/110:07:561
134491380,3ptp4l0-21swapper/107:30:471
32150993732,3cyclictest25-21ksoftirqd/111:25:001
134491370,4ptp4l0-21swapper/208:44:362
134491370,4ptp4l0-21swapper/111:00:261
134491370,4ptp4l0-21swapper/110:30:131
134491370,4ptp4l0-21swapper/110:20:091
134491370,4ptp4l0-21swapper/109:40:321
134491370,4ptp4l0-21swapper/108:36:201
134491370,4ptp4l0-21swapper/108:06:491
134491370,3ptp4l0-21swapper/109:57:501
134491360,3ptp4l0-21swapper/112:30:041
134491360,3ptp4l0-21swapper/109:10:241
134491360,3ptp4l0-21swapper/108:48:231
316432204,3sleep30-21swapper/307:07:203
137891152,7phc2sys29819-21apt-get07:05:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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