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2026-01-04 - 06:14
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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 Jan 04, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491960,4ptp4l0-21swapper/319:36:113
13242940,4sleep10-21swapper/120:10:231
45722710,6sleep30-21swapper/323:45:283
252242690,4sleep00-21swapper/023:20:250
134491620,4ptp4l17491-21if_enp4s023:05:180
292552600,4sleep00-21swapper/023:30:200
292552600,4sleep00-21swapper/023:30:200
134491590,3ptp4l1317-21runrttasks19:13:413
134491580,4ptp4l0-21swapper/323:22:363
134491570,4ptp4l0-21swapper/223:05:192
134491570,4ptp4l0-21swapper/123:20:161
134491570,3ptp4l0-21swapper/322:15:143
134491570,3ptp4l0-21swapper/123:45:011
134491570,18ptp4l1301-21snmpd23:00:373
134491560,3ptp4l0-21swapper/219:55:192
134491540,4ptp4l0-21swapper/321:30:413
134491540,4ptp4l0-21swapper/320:38:383
134491540,4ptp4l0-21swapper/319:19:593
134491540,4ptp4l0-21swapper/122:50:471
134491530,5ptp4l0-21swapper/019:08:500
134491530,12ptp4l0-21swapper/020:31:560
134491530,12ptp4l0-21swapper/020:31:560
134491530,12ptp4l0-21swapper/000:15:240
134491520,5ptp4l0-21swapper/221:20:322
134491520,4ptp4l0-21swapper/223:43:132
134491520,4ptp4l0-21swapper/019:44:360
134491520,3ptp4l0-21swapper/019:48:280
134491510,4ptp4l3065-21basename20:15:172
134491510,4ptp4l0-21swapper/322:32:203
134491510,4ptp4l0-21swapper/321:37:033
134491510,4ptp4l0-21swapper/321:13:073
134491510,4ptp4l0-21swapper/320:16:003
134491510,4ptp4l0-21swapper/319:05:103
134491510,4ptp4l0-21swapper/220:52:192
134491510,4ptp4l0-21swapper/220:01:072
134491510,4ptp4l0-21swapper/120:02:171
134491510,3ptp4l0-21swapper/023:15:100
134491500,4ptp4l0-21swapper/222:07:202
134491500,4ptp4l0-21swapper/220:43:422
134491500,4ptp4l0-21swapper/123:56:581
134491500,4ptp4l0-21swapper/119:52:141
134491500,4ptp4l0-21swapper/022:08:330
134491500,4ptp4l0-21swapper/021:25:280
134491490,8ptp4l33-21ksoftirqd/221:02:082
134491490,5ptp4l0-21swapper/221:16:002
134491490,4ptp4l0-21swapper/323:11:563
134491490,4ptp4l0-21swapper/322:53:213
134491490,4ptp4l0-21swapper/322:46:533
134491490,4ptp4l0-21swapper/322:02:063
134491490,4ptp4l0-21swapper/320:50:583
134491490,4ptp4l0-21swapper/223:10:182
134491490,4ptp4l0-21swapper/219:51:012
134491490,4ptp4l0-21swapper/200:28:502
134491490,4ptp4l0-21swapper/100:14:151
134491490,3ptp4l0-21swapper/321:53:203
134491490,3ptp4l0-21swapper/321:53:203
134491490,3ptp4l0-21swapper/321:40:483
134491490,3ptp4l0-21swapper/223:01:292
134491490,3ptp4l0-21swapper/222:17:402
134491480,4ptp4l0-21swapper/300:32:023
134491480,3ptp4l0-21swapper/323:51:543
134491480,3ptp4l0-21swapper/321:19:493
134491470,4ptp4l0-21swapper/321:47:043
134491470,3ptp4l0-21swapper/323:35:473
134491470,3ptp4l0-21swapper/220:36:102
134491470,3ptp4l0-21swapper/123:07:081
134491460,5ptp4l0-21swapper/219:05:402
134491460,4ptp4l0-21swapper/323:17:393
134491460,4ptp4l0-21swapper/223:27:272
134491460,4ptp4l0-21swapper/223:27:272
134491460,4ptp4l0-21swapper/020:14:210
134491460,3ptp4l0-21swapper/323:06:403
134491460,3ptp4l0-21swapper/220:58:272
4433994532,10cyclictest33-21ksoftirqd/221:25:192
134491450,4ptp4l19508-21apt-get00:20:133
134491450,4ptp4l0-21swapper/320:11:523
134491450,4ptp4l0-21swapper/020:23:370
134491450,3ptp4l0-21swapper/319:26:283
134491450,3ptp4l0-21swapper/119:38:001
134491450,3ptp4l0-21swapper/119:31:291
134491440,5ptp4l26621-21apt-get00:35:142
134491440,5ptp4l11040-21ls00:00:220
134491440,5ptp4l0-21swapper/323:25:283
134491440,5ptp4l0-21swapper/323:25:283
134491440,4ptp4l0-21swapper/322:40:493
134491440,4ptp4l0-21swapper/322:25:343
134491440,3ptp4l31738-21ls23:35:190
134491440,3ptp4l21347-21apt-get22:05:133
134491440,3ptp4l0-21swapper/122:32:591
134491440,14ptp4l25-21ksoftirqd/120:05:591
134491440,10ptp4l0-21swapper/219:20:232
134491440,10ptp4l0-21swapper/122:19:031
134691430,10getstats0-21swapper/019:20:190
134491430,9ptp4l0-21swapper/220:09:232
134491430,5ptp4l0-21swapper/222:40:122
134491430,5ptp4l0-21swapper/221:55:192
134491430,4ptp4l641-21df21:20:130
134491430,4ptp4l401ktimersoftd/300:08:033
134491430,4ptp4l30575-21apt-get22:25:122
134491430,4ptp4l23646-21apt-get22:10:133
134491430,4ptp4l0-21swapper/219:27:372
134491430,3ptp4l7783-21ls19:15:221
134491430,3ptp4l0-21swapper/300:16:083
4432994238,2cyclictest25-21ksoftirqd/121:40:001
134491420,5ptp4l28456-21df21:10:152
134491420,5ptp4l26925-21df_inode00:35:160
134491420,5ptp4l0-21swapper/322:55:163
134491420,5ptp4l0-21swapper/321:05:113
134491420,5ptp4l0-21swapper/320:05:143
134491420,5ptp4l0-21swapper/220:10:132
134491420,5ptp4l0-21swapper/200:20:142
134491420,5ptp4l0-21swapper/119:46:091
134491420,4ptp4l0-21swapper/322:36:193
134491420,4ptp4l0-21swapper/321:23:073
134491420,4ptp4l0-21swapper/222:45:202
134491420,4ptp4l0-21swapper/221:07:592
134491420,3ptp4l653-21apt-get22:30:132
134491420,3ptp4l14421-21apt-get20:40:140
134491420,3ptp4l0-21swapper/220:27:182
134491420,1ptp4l0-21swapper/300:04:293
46198410,13rtkit-daemon0-21swapper/121:20:331
134491410,5ptp4l18033-21/usr/sbin/munin00:15:201
134491410,5ptp4l0-21swapper/222:50:122
134491410,5ptp4l0-21swapper/219:10:132
134491410,5ptp4l0-21swapper/121:40:151
134491410,5ptp4l0-21swapper/120:20:191
134491410,5ptp4l0-21swapper/119:10:221
134491410,4ptp4l8814-21ntp_states23:55:243
134491410,4ptp4l29222-21meminfo22:20:210
134491410,4ptp4l28918-21fschecks_time23:30:181
134491410,4ptp4l28918-21fschecks_time23:30:181
134491410,4ptp4l19250-21df22:00:150
134491410,4ptp4l15231-21iostat23:00:190
134491410,4ptp4l0-21swapper/220:45:202
134491410,4ptp4l0-21swapper/220:30:252
134491410,4ptp4l0-21swapper/220:30:252
134491410,4ptp4l0-21swapper/219:40:392
134491410,4ptp4l0-21swapper/122:41:261
134491410,4ptp4l0-21swapper/023:14:040
134491410,4ptp4l0-21swapper/021:32:380
134491410,3ptp4l15987-21ls21:50:271
134491410,3ptp4l15987-21ls21:50:271
4431994035,3cyclictest9-21ksoftirqd/022:00:010
134491400,7ptp4l0-21swapper/320:26:543
134491400,5ptp4l443399cyclictest19:47:492
134491400,5ptp4l16341-21sshd20:43:231
134491400,5ptp4l0-21swapper/321:00:113
134491400,5ptp4l0-21swapper/320:40:233
134491400,5ptp4l0-21swapper/319:46:173
134491400,5ptp4l0-21swapper/223:45:262
134491400,5ptp4l0-21swapper/200:14:152
134491400,5ptp4l0-21swapper/120:25:011
134491400,5ptp4l0-21swapper/119:20:291
134491400,5ptp4l0-21swapper/021:10:160
134491400,5ptp4l0-21swapper/021:05:170
134491400,5ptp4l0-21swapper/020:17:410
134491400,4ptp4l5703-21diskstats23:50:162
134491400,4ptp4l32252-21users22:25:280
134491400,4ptp4l21884-21diskstats23:15:182
134491400,4ptp4l21792-21/usr/sbin/munin00:25:160
134491400,4ptp4l21785-21df23:15:161
134491400,4ptp4l15723-21/usr/sbin/munin00:10:180
134491400,4ptp4l11205-21ps22:50:240
134491400,4ptp4l0-21swapper/123:10:051
134491400,4ptp4l0-21swapper/119:57:581
134491400,4ptp4l0-21swapper/023:25:390
134491400,4ptp4l0-21swapper/023:25:390
134491400,4ptp4l0-21swapper/022:56:020
134491400,4ptp4l0-21swapper/022:46:350
134491400,4ptp4l0-21swapper/022:41:410
134491400,4ptp4l0-21swapper/022:33:160
134491400,4ptp4l0-21swapper/022:16:000
134491400,4ptp4l0-21swapper/021:43:360
134491400,4ptp4l0-21swapper/020:45:550
134491400,4ptp4l0-21swapper/019:34:180
134491400,4ptp4l0-21swapper/019:25:220
134491400,3ptp4l7887-21ntp_states19:15:232
134491400,3ptp4l4405-21ls21:25:283
134491400,3ptp4l4143-21/usr/sbin/munin22:35:210
134491400,3ptp4l28671-21hddtemp_smartct21:10:161
134491400,3ptp4l21622-21df_inode20:55:150
134491390,7ptp4l0-21swapper/223:40:012
134491390,5ptp4l17400-21sed20:45:183
134491390,5ptp4l0-21swapper/321:55:093
134491390,5ptp4l0-21swapper/320:20:173
134491390,5ptp4l0-21swapper/223:20:132
134491390,5ptp4l0-21swapper/000:30:140
134491390,4ptp4l443199cyclictest21:35:200
134491390,4ptp4l0-21swapper/323:30:203
134491390,4ptp4l0-21swapper/323:30:193
134491390,4ptp4l0-21swapper/322:20:143
134491390,4ptp4l0-21swapper/320:55:113
134491390,4ptp4l0-21swapper/320:33:003
134491390,4ptp4l0-21swapper/320:33:003
134491390,4ptp4l0-21swapper/319:50:243
134491390,4ptp4l0-21swapper/300:35:023
134491390,4ptp4l0-21swapper/300:25:293
134491390,4ptp4l0-21swapper/300:10:253
134491390,4ptp4l0-21swapper/223:55:472
134491390,4ptp4l0-21swapper/223:30:202
134491390,4ptp4l0-21swapper/223:30:202
134491390,4ptp4l0-21swapper/222:55:212
134491390,4ptp4l0-21swapper/222:35:122
134491390,4ptp4l0-21swapper/222:20:212
134491390,4ptp4l0-21swapper/222:10:152
134491390,4ptp4l0-21swapper/221:50:212
134491390,4ptp4l0-21swapper/221:50:212
134491390,4ptp4l0-21swapper/221:40:202
134491390,4ptp4l0-21swapper/219:30:132
134491390,4ptp4l0-21swapper/200:31:512
134491390,4ptp4l0-21swapper/200:07:142
134491390,4ptp4l0-21swapper/123:54:231
134491390,4ptp4l0-21swapper/123:35:361
134491390,4ptp4l0-21swapper/123:29:311
134491390,4ptp4l0-21swapper/123:29:311
134491390,4ptp4l0-21swapper/122:46:211
134491390,4ptp4l0-21swapper/121:55:151
134491390,4ptp4l0-21swapper/121:32:551
134491390,4ptp4l0-21swapper/121:01:081
134491390,4ptp4l0-21swapper/120:15:181
134491390,4ptp4l0-21swapper/023:56:310
134491390,4ptp4l0-21swapper/023:50:150
134491390,4ptp4l0-21swapper/023:45:260
134491390,4ptp4l0-21swapper/023:43:290
134491390,4ptp4l0-21swapper/022:12:070
134491390,4ptp4l0-21swapper/021:15:120
134491390,4ptp4l0-21swapper/021:01:140
134491390,4ptp4l0-21swapper/020:52:030
134491390,4ptp4l0-21swapper/020:25:000
134491390,4ptp4l0-21swapper/020:08:210
134491390,4ptp4l0-21swapper/020:00:220
134491390,4ptp4l0-21swapper/019:52:060
134491390,4ptp4l0-21swapper/019:10:230
134491390,4ptp4l0-21swapper/000:21:430
134491390,3ptp4l5703-21iostat21:30:182
134491390,3ptp4l25702-21apt-get19:55:113
134491390,3ptp4l13952-21ls00:05:280
134491390,3ptp4l10233-21df00:00:152
134491390,3ptp4l0-21swapper/319:40:293
134491380,5ptp4l0-21swapper/119:09:261
134491380,4ptp4l0-21swapper/323:43:203
134491380,4ptp4l0-21swapper/320:00:063
134491380,4ptp4l0-21swapper/319:30:233
134491380,4ptp4l0-21swapper/222:00:282
134491380,4ptp4l0-21swapper/221:47:422
134491380,4ptp4l0-21swapper/221:36:402
134491380,4ptp4l0-21swapper/220:20:122
134491380,4ptp4l0-21swapper/219:35:262
134491380,4ptp4l0-21swapper/200:18:122
134491380,4ptp4l0-21swapper/123:43:191
134491380,4ptp4l0-21swapper/123:00:271
134491380,4ptp4l0-21swapper/122:35:151
134491380,4ptp4l0-21swapper/122:22:431
134491380,4ptp4l0-21swapper/122:05:361
134491380,4ptp4l0-21swapper/121:29:151
134491380,4ptp4l0-21swapper/121:15:191
134491380,4ptp4l0-21swapper/121:05:081
134491380,4ptp4l0-21swapper/120:55:161
134491380,4ptp4l0-21swapper/120:54:041
134491380,4ptp4l0-21swapper/120:37:331
134491380,4ptp4l0-21swapper/120:30:051
134491380,4ptp4l0-21swapper/120:30:051
134491380,4ptp4l0-21swapper/119:40:271
134491380,4ptp4l0-21swapper/119:25:181
134491380,4ptp4l0-21swapper/100:32:121
134491380,4ptp4l0-21swapper/100:03:371
134491380,4ptp4l0-21swapper/021:54:570
134491380,4ptp4l0-21swapper/021:54:560
134491380,4ptp4l0-21swapper/021:48:200
134491380,4ptp4l0-21swapper/019:55:160
134491380,4ptp4l0-21swapper/019:35:150
134491380,4ptp4l0-21swapper/019:16:350
134491380,3ptp4l0-21swapper/100:35:421
134491380,3ptp4l0-21swapper/100:25:031
134491380,3ptp4l0-21swapper/100:21:591
134491380,3ptp4l0-21swapper/020:35:180
134491370,4ptp4l0-21swapper/122:10:401
134491370,4ptp4l0-21swapper/120:49:461
134491370,4ptp4l0-21swapper/100:06:251
134491370,3ptp4l0-21swapper/319:20:053
134491370,3ptp4l0-21swapper/122:26:061
134491370,3ptp4l0-21swapper/122:00:161
134491360,4ptp4l0-21swapper/121:47:171
134491350,3ptp4l0-21swapper/122:56:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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