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2026-06-02 - 09:42
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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 Tue Jun 02, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1852521660,2sleep12669399cyclictest20:00:201
2612921640,6sleep32669599cyclictest20:15:253
2500521640,3sleep32669599cyclictest23:40:253
2641921450,6sleep22669499cyclictest21:25:292
26694998216,63cyclictest32204-21unixbench_singl23:55:292
134491590,4ptp4l0-21swapper/322:25:293
134491590,3ptp4l0-21swapper/319:15:573
134491580,4ptp4l0-21swapper/220:47:162
134491580,4ptp4l0-21swapper/200:17:372
134491570,4ptp4l0-21swapper/222:35:192
134491570,3ptp4l0-21swapper/319:45:443
134491570,16ptp4l0-21swapper/223:30:242
134491570,14ptp4l0-21swapper/221:05:162
134491560,4ptp4l0-21swapper/021:02:590
134491560,3ptp4l0-21swapper/322:00:163
134491560,3ptp4l0-21swapper/220:32:332
134491550,4ptp4l0-21swapper/221:46:202
134491550,4ptp4l0-21swapper/019:24:480
134491550,3ptp4l0-21swapper/020:35:240
134491540,3ptp4l0-21swapper/220:55:182
134491530,4ptp4l0-21swapper/321:00:233
134491530,4ptp4l0-21swapper/320:25:083
134491530,13ptp4l24873-21awk19:05:161
134491520,5ptp4l0-21swapper/223:45:202
134491520,3ptp4l0-21swapper/323:33:043
134491520,3ptp4l0-21swapper/321:55:483
134491520,3ptp4l0-21swapper/222:16:362
134491520,3ptp4l0-21swapper/220:25:192
134491510,9ptp4l0-21swapper/022:45:240
134491510,5ptp4l0-21swapper/322:43:533
134491510,4ptp4l0-21swapper/320:22:443
134491510,4ptp4l0-21swapper/221:14:392
134491510,4ptp4l0-21swapper/200:24:192
134491510,3ptp4l0-21swapper/222:00:072
134491510,1ptp4l23854-21kworker/3:221:05:433
134491510,11ptp4l0-21swapper/222:20:222
26695995044,4cyclictest448-21dbus-daemon20:40:003
134491500,5ptp4l0-21swapper/220:41:132
134491500,4ptp4l0-21swapper/321:17:023
134491500,4ptp4l0-21swapper/300:37:503
134491500,4ptp4l0-21swapper/300:07:243
134491500,4ptp4l0-21swapper/019:05:170
134491500,11ptp4l0-21swapper/320:30:253
134491490,5ptp4l0-21swapper/219:09:192
134491490,4ptp4l0-21swapper/322:09:243
134491490,4ptp4l0-21swapper/319:09:543
134491490,4ptp4l0-21swapper/223:10:542
134491490,4ptp4l0-21swapper/222:08:162
134491490,4ptp4l0-21swapper/220:11:132
134491490,4ptp4l0-21swapper/219:53:422
134491490,4ptp4l0-21swapper/219:39:392
134491490,4ptp4l0-21swapper/200:02:312
134491490,4ptp4l0-21swapper/023:56:250
134491490,4ptp4l0-21swapper/021:21:290
134491490,3ptp4l0-21swapper/322:37:443
134491490,3ptp4l0-21swapper/223:50:192
134491490,2ptp4l0-21swapper/121:20:331
134491480,6ptp4l9-21ksoftirqd/000:01:140
134491480,4ptp4l0-21swapper/323:35:353
134491480,4ptp4l0-21swapper/320:42:273
134491480,4ptp4l0-21swapper/320:10:033
134491480,4ptp4l0-21swapper/222:45:012
134491480,4ptp4l0-21swapper/222:42:482
134491480,4ptp4l0-21swapper/220:53:022
134491480,4ptp4l0-21swapper/220:37:312
134491480,4ptp4l0-21swapper/220:00:392
134491480,3ptp4l0-21swapper/000:25:260
134491480,3ptp4l0-21swapper/000:25:260
134491470,4ptp4l0-21swapper/319:34:273
134491470,4ptp4l0-21swapper/219:32:022
134491470,4ptp4l0-21swapper/020:47:360
134491470,10ptp4l0-21swapper/222:54:502
134491460,4ptp4l0-21swapper/322:51:363
134491460,4ptp4l0-21swapper/223:26:542
134491460,4ptp4l0-21swapper/219:15:382
134491460,4ptp4l0-21swapper/219:11:532
134491460,4ptp4l0-21swapper/219:11:522
134491460,3ptp4l0-21swapper/323:02:043
134491460,3ptp4l0-21swapper/219:46:212
134491460,2ptp4l0-21swapper/322:34:053
134491460,11ptp4l0-21swapper/120:40:291
134491450,9ptp4l0-21swapper/022:56:070
134491450,5ptp4l29342-21apt-get21:35:120
134491450,4ptp4l0-21swapper/321:36:043
134491450,4ptp4l0-21swapper/319:58:123
134491450,4ptp4l0-21swapper/223:05:042
134491450,4ptp4l0-21swapper/223:05:042
134491450,12ptp4l0-21swapper/020:15:150
134491440,9ptp4l0-21swapper/020:51:340
134491440,8ptp4l0-21swapper/200:14:352
134491440,4ptp4l15097-21apt-get19:55:112
134491440,4ptp4l0-21swapper/223:18:182
134491440,4ptp4l0-21swapper/221:01:432
134491440,4ptp4l0-21swapper/200:06:132
134491440,3ptp4l0-21swapper/221:31:582
134491440,3ptp4l0-21swapper/219:23:002
134491440,10ptp4l0-21swapper/223:00:232
26694994339,2cyclictest33-21ksoftirqd/223:39:592
134491430,9ptp4l0-21swapper/023:18:440
134491430,8ptp4l0-21swapper/023:11:550
134491430,5ptp4l0-21swapper/321:25:133
134491430,4ptp4l20176-21python23:30:250
134491430,4ptp4l0-21swapper/300:31:283
134491430,4ptp4l0-21swapper/300:13:323
134491430,3ptp4l0-21swapper/222:10:362
134491430,3ptp4l0-21swapper/221:37:462
134491420,5ptp4l0-21swapper/320:55:183
134491420,5ptp4l0-21swapper/019:25:250
134491420,5ptp4l0-21swapper/000:20:170
134491420,4ptp4l25961-21apt-get23:45:140
134491420,4ptp4l18716-21users00:35:270
134491420,4ptp4l0-21swapper/320:03:083
134491420,4ptp4l0-21swapper/319:20:193
134491420,4ptp4l0-21swapper/023:04:580
134491420,4ptp4l0-21swapper/022:20:130
134491420,4ptp4l0-21swapper/019:40:290
94832410,1sleep19481-21tr23:10:141
134491410,9ptp4l9-21ksoftirqd/021:54:390
134491410,6ptp4l1648-21/usr/sbin/munin21:45:151
134491410,6ptp4l0-21swapper/021:55:160
134491410,5ptp4l9510-21users00:15:290
134491410,5ptp4l0-21swapper/323:50:123
134491410,5ptp4l0-21swapper/323:25:143
134491410,5ptp4l0-21swapper/219:25:122
134491410,5ptp4l0-21swapper/021:45:130
134491410,5ptp4l0-21swapper/020:05:210
134491410,4ptp4l646-21apt-get00:00:133
134491410,4ptp4l2318-21gnome-shell19:44:592
134491410,4ptp4l17889-21df20:00:130
134491410,4ptp4l12457-21apt-get00:25:122
134491410,4ptp4l12457-21apt-get00:25:122
134491410,4ptp4l0-21swapper/221:55:122
134491410,4ptp4l0-21swapper/023:40:140
134491410,4ptp4l0-21swapper/020:31:270
134491410,4ptp4l0-21swapper/020:27:580
134491410,4ptp4l0-21swapper/019:39:270
134491410,3ptp4l0-21swapper/323:13:003
134491410,3ptp4l0-21swapper/220:15:022
26694994036,2cyclictest33-21ksoftirqd/221:40:182
26694994035,3cyclictest33-21ksoftirqd/223:00:012
26693994025,5cyclictest25-21ksoftirqd/121:05:501
134491400,6ptp4l1202-21/usr/sbin/munin19:25:153
134491400,5ptp4l5876-21/usr/sbin/munin19:35:173
134491400,5ptp4l0-21swapper/319:50:143
134491400,5ptp4l0-21swapper/319:10:203
134491400,5ptp4l0-21swapper/319:10:193
134491400,5ptp4l0-21swapper/220:05:112
134491400,5ptp4l0-21swapper/020:23:550
134491400,4ptp4l910-21users21:40:293
134491400,4ptp4l28469-21df23:50:140
134491400,4ptp4l0-21swapper/323:55:123
134491400,4ptp4l0-21swapper/323:15:163
134491400,4ptp4l0-21swapper/321:10:223
134491400,4ptp4l0-21swapper/300:27:543
134491400,4ptp4l0-21swapper/300:27:543
134491400,4ptp4l0-21swapper/223:20:162
134491400,4ptp4l0-21swapper/222:25:142
134491400,4ptp4l0-21swapper/220:23:532
134491400,4ptp4l0-21swapper/023:26:020
134491400,4ptp4l0-21swapper/022:50:110
134491400,4ptp4l0-21swapper/021:41:460
134491400,4ptp4l0-21swapper/021:18:590
134491400,4ptp4l0-21swapper/021:05:190
134491400,4ptp4l0-21swapper/020:58:080
134491400,4ptp4l0-21swapper/020:40:440
134491400,4ptp4l0-21swapper/020:12:300
134491400,4ptp4l0-21swapper/019:56:410
134491400,4ptp4l0-21swapper/019:52:100
134491400,4ptp4l0-21swapper/000:31:010
134491400,3ptp4l843-21ls20:30:271
134491400,3ptp4l7838-21apt-get00:15:133
134491400,3ptp4l27042-21apt-get21:30:113
134491400,3ptp4l19978-21apt-get20:05:133
134491400,3ptp4l14189-21apt-get23:20:123
134491400,3ptp4l0-21swapper/321:20:063
134491390,5ptp4l7992-21sed23:05:203
134491390,5ptp4l7992-21sed23:05:203
134491390,5ptp4l6969-21sed20:45:203
134491390,5ptp4l0-21swapper/322:20:283
134491390,5ptp4l0-21swapper/120:50:271
134491390,4ptp4l8376-21if_err_enp4s000:15:181
134491390,4ptp4l1301-21snmpd22:13:433
134491390,4ptp4l0-21swapper/322:55:283
134491390,4ptp4l0-21swapper/321:50:463
134491390,4ptp4l0-21swapper/320:50:493
134491390,4ptp4l0-21swapper/222:33:012
134491390,4ptp4l0-21swapper/221:50:142
134491390,4ptp4l0-21swapper/221:17:232
134491390,4ptp4l0-21swapper/200:30:202
134491390,4ptp4l0-21swapper/123:08:261
134491390,4ptp4l0-21swapper/123:08:261
134491390,4ptp4l0-21swapper/122:55:161
134491390,4ptp4l0-21swapper/122:33:401
134491390,4ptp4l0-21swapper/120:25:161
134491390,4ptp4l0-21swapper/100:39:031
134491390,4ptp4l0-21swapper/023:38:460
134491390,4ptp4l0-21swapper/023:21:560
134491390,4ptp4l0-21swapper/022:40:180
134491390,4ptp4l0-21swapper/022:36:420
134491390,4ptp4l0-21swapper/022:30:540
134491390,4ptp4l0-21swapper/022:26:280
134491390,4ptp4l0-21swapper/022:19:460
134491390,4ptp4l0-21swapper/022:14:100
134491390,4ptp4l0-21swapper/022:06:120
134491390,4ptp4l0-21swapper/022:02:010
134491390,4ptp4l0-21swapper/021:30:440
134491390,4ptp4l0-21swapper/021:10:070
134491390,4ptp4l0-21swapper/019:45:090
134491390,4ptp4l0-21swapper/019:15:300
134491390,4ptp4l0-21swapper/019:12:380
134491390,4ptp4l0-21swapper/019:12:370
134491390,4ptp4l0-21swapper/000:12:280
134491390,4ptp4l0-21swapper/000:07:060
134491390,3ptp4l30721-21memory22:45:223
134491390,3ptp4l26536-21iostat_ios23:45:203
26694993832,3cyclictest33-21ksoftirqd/223:40:182
134491380,4ptp4l30196-21hddtemp_smartct22:45:171
134491380,4ptp4l17032-21/usr/sbin/munin00:35:142
134491380,4ptp4l0-21swapper/319:40:043
134491380,4ptp4l0-21swapper/300:20:053
134491380,4ptp4l0-21swapper/221:22:002
134491380,4ptp4l0-21swapper/123:46:571
134491380,4ptp4l0-21swapper/123:25:391
134491380,4ptp4l0-21swapper/123:15:291
134491380,4ptp4l0-21swapper/122:54:071
134491380,4ptp4l0-21swapper/122:40:521
134491380,4ptp4l0-21swapper/122:27:431
134491380,4ptp4l0-21swapper/121:39:541
134491380,4ptp4l0-21swapper/121:03:001
134491380,4ptp4l0-21swapper/120:45:191
134491380,4ptp4l0-21swapper/120:35:071
134491380,4ptp4l0-21swapper/119:58:401
134491380,4ptp4l0-21swapper/119:35:331
134491380,4ptp4l0-21swapper/119:32:441
134491380,4ptp4l0-21swapper/119:11:581
134491380,4ptp4l0-21swapper/119:11:571
134491380,4ptp4l0-21swapper/023:05:470
134491380,4ptp4l0-21swapper/023:05:470
134491380,4ptp4l0-21swapper/021:25:090
134491380,3ptp4l2110-21if_enp4s021:45:183
134491380,3ptp4l0-21swapper/322:15:063
134491380,3ptp4l0-21swapper/121:34:301
134491380,3ptp4l0-21swapper/121:12:581
134491380,3ptp4l0-21swapper/119:43:471
134491380,3ptp4l0-21swapper/100:10:581
134491380,3ptp4l0-21swapper/019:31:320
26693993732,3cyclictest25-21ksoftirqd/100:30:261
134491370,4ptp4l14441-21sed23:20:141
134491370,4ptp4l0-21swapper/121:52:071
134491370,4ptp4l0-21swapper/119:25:491
134491370,4ptp4l0-21swapper/119:22:301
134491370,3ptp4l0-21swapper/123:52:511
134491370,3ptp4l0-21swapper/123:43:191
134491370,3ptp4l0-21swapper/119:19:171
134491370,3ptp4l0-21swapper/100:27:471
134491370,3ptp4l0-21swapper/100:27:461
134491370,2ptp4l2326-21llvmpipe-319:46:591
134491360,4ptp4l0-21swapper/121:40:391
134491360,4ptp4l0-21swapper/121:26:021
134491360,3ptp4l0-21swapper/123:35:481
134491360,3ptp4l0-21swapper/122:09:231
134491360,3ptp4l0-21swapper/122:02:251
134491360,3ptp4l0-21swapper/121:16:571
134491360,3ptp4l0-21swapper/120:56:091
134491360,3ptp4l0-21swapper/120:21:521
134491360,3ptp4l0-21swapper/100:06:391
134491350,4ptp4l0-21swapper/100:00:241
134491350,3ptp4l0-21swapper/123:56:221
134491340,4ptp4l0-21swapper/119:50:581
134491340,3ptp4l0-21swapper/121:55:041
26693993328,3cyclictest25-21ksoftirqd/120:20:001
26693993327,4cyclictest25-21ksoftirqd/122:38:341
26693993227,3cyclictest25-21ksoftirqd/122:10:571
26693993125,4cyclictest25-21ksoftirqd/123:04:371
2669399303,2cyclictest121rcu_preempt22:19:131
134491280,3ptp4l0-21swapper/123:30:301
134491270,4ptp4l0-21swapper/100:24:371
26693992621,3cyclictest25-21ksoftirqd/120:10:181
134491240,3ptp4l0-21swapper/120:07:051
26693991711,4cyclictest18302-21df_abs22:20:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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