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2025-11-20 - 19:56
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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 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191670,4ptp4l14062-21irqrtprio08:10:193
2847191640,1ptp4l241ktimersoftd/112:16:061
2847191630,4ptp4l0-21swapper/209:11:242
2847191620,4ptp4l0-21swapper/110:54:271
2847191610,5ptp4l0-21swapper/209:00:272
2847191600,5ptp4l0-21swapper/208:20:142
2847191600,5ptp4l0-21swapper/109:35:181
51572590,6sleep30-21swapper/307:50:223
2847191590,4ptp4l0-21swapper/009:40:200
2847191580,4ptp4l0-21swapper/209:55:292
2847191580,3ptp4l0-21swapper/211:11:332
2847191580,1ptp4l0-21swapper/110:37:161
255732580,6sleep31783899cyclictest07:25:183
2847191570,5ptp4l0-21swapper/308:30:123
2847191570,4ptp4l0-21swapper/209:25:162
2847191570,3ptp4l25232-21apt-get08:35:163
2847191560,9ptp4l0-21swapper/208:52:582
2847191560,4ptp4l0-21swapper/108:31:311
2847191560,3ptp4l0-21swapper/011:05:120
2847191560,3ptp4l0-21swapper/007:54:560
2847191550,4ptp4l16044-21tune2fs08:15:193
2847191550,4ptp4l0-21swapper/210:45:332
2847191550,3ptp4l0-21swapper/008:03:500
2847191540,4ptp4l0-21swapper/307:38:073
2847191540,4ptp4l0-21swapper/210:23:422
2847191540,3ptp4l0-21swapper/307:55:313
2847191530,4ptp4l0-21swapper/308:07:373
2847191530,4ptp4l0-21swapper/212:10:062
2847191530,4ptp4l0-21swapper/211:18:232
2847191530,4ptp4l0-21swapper/208:27:492
2847191530,4ptp4l0-21swapper/207:47:272
2847191530,4ptp4l0-21swapper/207:28:412
2847191530,12ptp4l17167-21uptime07:05:270
2847191520,4ptp4l0-21swapper/212:06:232
2847191520,4ptp4l0-21swapper/211:53:512
2847191520,4ptp4l0-21swapper/210:50:302
2847191520,4ptp4l0-21swapper/210:43:122
2847191520,4ptp4l0-21swapper/209:36:402
2847191520,4ptp4l0-21swapper/209:19:102
2847191520,3ptp4l0-21swapper/308:54:253
2847191520,3ptp4l0-21swapper/208:45:252
2847191520,2ptp4l0-21swapper/110:12:031
53582510,5sleep20-21swapper/207:50:242
2847191510,4ptp4l0-21swapper/310:01:463
2847191510,4ptp4l0-21swapper/309:05:383
2847191510,4ptp4l0-21swapper/208:11:292
2847191510,4ptp4l0-21swapper/112:13:441
2847191510,4ptp4l0-21swapper/111:07:471
2847191510,3ptp4l0-21swapper/209:49:102
2847191510,12ptp4l0-21swapper/211:04:432
1783699512,47cyclictest0-21swapper/111:30:581
2847191500,8ptp4l0-21swapper/209:20:162
2847191500,4ptp4l0-21swapper/311:46:153
2847191500,4ptp4l0-21swapper/210:57:082
2847191500,4ptp4l0-21swapper/208:40:242
2847191500,4ptp4l0-21swapper/108:25:091
2847191500,3ptp4l0-21swapper/209:41:342
2847191500,3ptp4l0-21swapper/209:30:132
2847191500,3ptp4l0-21swapper/111:38:571
2847191490,4ptp4l0-21swapper/211:07:072
2847191490,4ptp4l0-21swapper/111:01:091
2847191490,3ptp4l0-21swapper/110:09:251
2847191490,3ptp4l0-21swapper/010:43:530
2847191480,13ptp4l451-21gdbus07:35:251
2847191480,13ptp4l0-21swapper/207:40:142
2847191470,4ptp4l0-21swapper/311:57:573
2847191470,4ptp4l0-21swapper/311:57:573
2847191470,4ptp4l0-21swapper/210:06:542
2847191470,3ptp4l0-21swapper/212:20:582
2847191460,4ptp4l28643-21ls09:50:211
2847191460,4ptp4l0-21swapper/309:56:453
2847191460,4ptp4l0-21swapper/010:45:210
2847191460,3ptp4l0-21swapper/311:30:213
2847191460,3ptp4l0-21swapper/011:34:570
2847191460,13ptp4l0-21swapper/211:30:062
2847191450,9ptp4l0-21swapper/212:04:462
2847191450,9ptp4l0-21swapper/107:25:261
2847191450,4ptp4l29869-21apt-get08:45:123
2847191450,2ptp4l28115-21kworker/2:007:18:442
2847191440,9ptp4l0-21swapper/209:50:002
2847191440,9ptp4l0-21swapper/108:10:171
2847191440,9ptp4l0-21swapper/007:38:020
2847191440,8ptp4l0-21swapper/107:10:011
2847191440,4ptp4l0-21swapper/310:10:513
2847191440,3ptp4l0-21swapper/108:24:131
2847191440,11ptp4l0-21swapper/111:11:171
2847191440,10ptp4l0-21swapper/309:42:193
2847191440,10ptp4l0-21swapper/010:28:150
2847191430,9ptp4l0-21swapper/212:26:342
2847191430,9ptp4l0-21swapper/008:25:280
2847191430,5ptp4l31841-21apt-get07:40:133
2847191430,5ptp4l31446-21/usr/sbin/munin09:55:271
2847191430,5ptp4l16541-21strings07:05:211
2847191430,5ptp4l0-21swapper/112:00:151
2847191430,4ptp4l2147-21apt-get08:55:141
2847191430,4ptp4l19383-21meminfo09:30:211
2847191430,4ptp4l17873-21apt-get07:10:132
2847191430,3ptp4l0-21swapper/307:24:593
2847191430,2ptp4l6346-21kworker/2:211:47:202
2847191420,9ptp4l0-21swapper/008:11:500
2847191420,8ptp4l0-21swapper/208:05:132
2847191420,6ptp4l23973-21kworker/0:211:04:450
2847191420,6ptp4l0-21swapper/207:08:222
2847191420,5ptp4l7617-21df_inode11:25:181
2847191420,5ptp4l7617-21df_inode11:25:181
2847191420,4ptp4l7449-21ls07:55:190
2847191420,4ptp4l21101-21apt-get10:45:123
2847191420,4ptp4l11571-21apt-get10:25:122
2847191420,4ptp4l10781-21users09:10:293
2847191420,4ptp4l0-21swapper/211:43:552
2847191420,4ptp4l0-21swapper/110:59:531
2847191420,4ptp4l0-21swapper/007:18:390
2847191420,3ptp4l5440-21meminfo09:00:211
2847191420,3ptp4l2653-21apt-get11:15:123
2847191420,3ptp4l24149-21ls07:20:270
2847191420,3ptp4l20733-21apt-get09:35:113
2847191420,3ptp4l0-21swapper/210:37:392
2847191420,3ptp4l0-21swapper/012:30:190
2847191420,3ptp4l0-21swapper/011:59:360
2847191420,3ptp4l0-21swapper/011:59:350
2847191420,3ptp4l0-21swapper/009:30:270
2847191410,5ptp4l32560-21fschecks_count08:50:171
2847191410,5ptp4l0-21swapper/312:10:273
2847191410,5ptp4l0-21swapper/311:40:203
2847191410,5ptp4l0-21swapper/311:36:033
2847191410,5ptp4l0-21swapper/309:25:133
2847191410,5ptp4l0-21swapper/308:00:193
2847191410,5ptp4l0-21swapper/307:48:233
2847191410,5ptp4l0-21swapper/107:30:251
2847191410,5ptp4l0-21swapper/012:10:230
2847191410,4ptp4l8049-21ntp_states10:15:243
2847191410,4ptp4l4788-21df_inode09:00:153
2847191410,4ptp4l30637-21ntp_states07:35:222
2847191410,4ptp4l22451-21apt-get08:30:032
2847191410,4ptp4l18029-21apt-get08:20:153
2847191410,4ptp4l13107-21ntp_states11:36:032
2847191410,4ptp4l12020-21/usr/sbin/munin08:05:190
2847191410,4ptp4l0-21swapper/312:31:233
2847191410,4ptp4l0-21swapper/310:40:323
2847191410,4ptp4l0-21swapper/308:43:133
2847191410,4ptp4l0-21swapper/210:00:232
2847191410,4ptp4l0-21swapper/109:13:001
2847191410,4ptp4l0-21swapper/107:49:471
2847191410,4ptp4l0-21swapper/012:20:190
2847191410,4ptp4l0-21swapper/012:15:200
2847191410,4ptp4l0-21swapper/010:55:290
2847191410,4ptp4l0-21swapper/010:04:570
2847191410,4ptp4l0-21swapper/009:21:420
2847191410,4ptp4l0-21swapper/009:18:540
2847191410,3ptp4l6079-21meminfo12:30:201
2847191410,3ptp4l5119-21apt-get12:30:122
2847191410,3ptp4l4619-21apt-get10:10:142
2847191410,3ptp4l30587-21iostat_ios09:55:180
2847191410,3ptp4l17180-21ntp_states09:25:220
2847191400,5ptp4l4168-21swap12:25:230
2847191400,5ptp4l0-21swapper/207:30:222
2847191400,5ptp4l0-21swapper/008:58:580
2847191400,5ptp4l0-21swapper/008:37:560
2847191400,4ptp4l9-21ksoftirqd/012:05:170
2847191400,4ptp4l31812-21grep11:05:273
2847191400,4ptp4l15421-21users09:20:281
2847191400,4ptp4l11391-21/usr/sbin/munin09:15:333
2847191400,4ptp4l10347-21unixbench_multi08:00:281
2847191400,4ptp4l0-21swapper/312:05:293
2847191400,4ptp4l0-21swapper/312:00:143
2847191400,4ptp4l0-21swapper/310:05:203
2847191400,4ptp4l0-21swapper/309:50:323
2847191400,4ptp4l0-21swapper/309:30:163
2847191400,4ptp4l0-21swapper/307:19:243
2847191400,4ptp4l0-21swapper/307:11:583
2847191400,4ptp4l0-21swapper/212:36:202
2847191400,4ptp4l0-21swapper/211:58:372
2847191400,4ptp4l0-21swapper/211:58:362
2847191400,4ptp4l0-21swapper/211:25:162
2847191400,4ptp4l0-21swapper/211:25:162
2847191400,4ptp4l0-21swapper/210:17:202
2847191400,4ptp4l0-21swapper/208:36:282
2847191400,4ptp4l0-21swapper/208:19:042
2847191400,4ptp4l0-21swapper/207:57:422
2847191400,4ptp4l0-21swapper/112:35:151
2847191400,4ptp4l0-21swapper/112:21:101
2847191400,4ptp4l0-21swapper/112:07:021
2847191400,4ptp4l0-21swapper/111:42:351
2847191400,4ptp4l0-21swapper/111:15:111
2847191400,4ptp4l0-21swapper/110:00:231
2847191400,4ptp4l0-21swapper/109:25:141
2847191400,4ptp4l0-21swapper/109:16:111
2847191400,4ptp4l0-21swapper/109:06:431
2847191400,4ptp4l0-21swapper/108:45:241
2847191400,4ptp4l0-21swapper/108:38:061
2847191400,4ptp4l0-21swapper/108:05:181
2847191400,4ptp4l0-21swapper/107:55:161
2847191400,4ptp4l0-21swapper/107:15:051
2847191400,4ptp4l0-21swapper/012:00:180
2847191400,4ptp4l0-21swapper/011:54:460
2847191400,4ptp4l0-21swapper/011:45:070
2847191400,4ptp4l0-21swapper/011:26:250
2847191400,4ptp4l0-21swapper/011:26:250
2847191400,4ptp4l0-21swapper/011:14:340
2847191400,4ptp4l0-21swapper/010:36:440
2847191400,4ptp4l0-21swapper/010:09:100
2847191400,4ptp4l0-21swapper/009:54:240
2847191400,4ptp4l0-21swapper/008:49:330
2847191400,4ptp4l0-21swapper/008:33:350
2847191400,4ptp4l0-21swapper/007:32:330
2847191400,3ptp4l5949-21meminfo11:20:221
2847191400,3ptp4l4933-21df_inode10:10:170
2847191400,3ptp4l26511-21ntp_states09:45:260
2847191400,3ptp4l21528-21ntp_states08:25:293
2847191400,3ptp4l2119-21df_inode07:45:150
2847191400,3ptp4l1293-21snmpd09:23:143
2847191400,3ptp4l0-21swapper/309:46:593
2847191390,4ptp4l0-21swapper/312:26:183
2847191390,4ptp4l0-21swapper/312:20:213
2847191390,4ptp4l0-21swapper/312:15:143
2847191390,4ptp4l0-21swapper/311:52:053
2847191390,4ptp4l0-21swapper/311:04:423
2847191390,4ptp4l0-21swapper/310:57:533
2847191390,4ptp4l0-21swapper/310:50:203
2847191390,4ptp4l0-21swapper/308:55:583
2847191390,4ptp4l0-21swapper/307:30:133
2847191390,4ptp4l0-21swapper/210:30:032
2847191390,4ptp4l0-21swapper/208:55:482
2847191390,4ptp4l0-21swapper/208:01:242
2847191390,4ptp4l0-21swapper/207:24:552
2847191390,4ptp4l0-21swapper/112:27:361
2847191390,4ptp4l0-21swapper/111:59:281
2847191390,4ptp4l0-21swapper/111:59:281
2847191390,4ptp4l0-21swapper/111:51:491
2847191390,4ptp4l0-21swapper/111:49:001
2847191390,4ptp4l0-21swapper/109:45:181
2847191390,4ptp4l0-21swapper/109:40:241
2847191390,4ptp4l0-21swapper/108:15:181
2847191390,4ptp4l0-21swapper/107:50:111
2847191390,4ptp4l0-21swapper/107:40:161
2847191390,4ptp4l0-21swapper/107:21:271
2847191390,4ptp4l0-21swapper/011:40:190
2847191390,4ptp4l0-21swapper/011:35:200
2847191390,4ptp4l0-21swapper/011:21:360
2847191390,4ptp4l0-21swapper/009:38:460
2847191390,4ptp4l0-21swapper/009:14:260
2847191390,4ptp4l0-21swapper/009:08:330
2847191390,4ptp4l0-21swapper/009:00:020
2847191390,4ptp4l0-21swapper/008:40:180
2847191390,4ptp4l0-21swapper/008:20:510
2847191390,4ptp4l0-21swapper/007:40:180
2847191390,4ptp4l0-21swapper/007:10:170
2847191390,3ptp4l0-21swapper/212:15:222
2847191390,3ptp4l0-21swapper/110:43:251
2847191390,3ptp4l0-21swapper/108:40:111
2847191390,3ptp4l0-21swapper/012:37:180
2847191390,3ptp4l0-21swapper/011:17:550
2847191390,3ptp4l0-21swapper/010:50:540
2847191390,3ptp4l0-21swapper/008:15:220
2847191390,3ptp4l0-21swapper/007:25:390
2847191380,4ptp4l25-21ksoftirqd/110:20:491
2847191380,4ptp4l0-21swapper/312:35:023
2847191380,4ptp4l0-21swapper/311:25:243
2847191380,4ptp4l0-21swapper/311:25:243
2847191380,4ptp4l0-21swapper/311:21:333
2847191380,4ptp4l0-21swapper/310:25:223
2847191380,4ptp4l0-21swapper/211:21:072
2847191380,4ptp4l0-21swapper/008:50:150
2847191380,3ptp4l7643-21uname09:05:162
2847191380,3ptp4l0-21swapper/311:10:243
2847191380,3ptp4l0-21swapper/110:47:131
2847191380,12ptp4l0-21swapper/110:26:491
17838993834,2cyclictest41-21ksoftirqd/310:40:013
2847191370,4ptp4l0-21swapper/010:30:160
2847191360,5ptp4l0-21swapper/010:20:150
2847191360,3ptp4l10250-21missed_timers10:20:223
17838993630,3cyclictest41-21ksoftirqd/310:35:013
2847191350,4ptp4l0-21swapper/110:15:151
2847191340,4ptp4l0-21swapper/010:16:290
2847191330,4ptp4l0-21swapper/110:30:521
2847191300,4ptp4l0-21swapper/307:08:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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