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2025-04-03 - 11:22
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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 792 highest latencies:
System rackdslot1.osadl.org (updated Thu Apr 03, 2025 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191930,4ptp4l0-21swapper/122:09:211
132892750,3sleep313291-21needreboot20:55:223
2847191610,5ptp4l0-21swapper/223:56:072
2847191610,4ptp4l15645-21kernelversion21:00:190
2847191610,3ptp4l5088-21apt-get20:40:140
2847191600,4ptp4l0-21swapper/219:40:302
2847191600,3ptp4l0-21swapper/122:54:261
2847191590,4ptp4l0-21swapper/221:50:232
2847191590,3ptp4l0-21swapper/320:53:313
2847191590,3ptp4l0-21swapper/222:30:042
2847191580,5ptp4l0-21swapper/019:05:300
2847191580,4ptp4l0-21swapper/023:50:230
27553995827,4cyclictest41-21ksoftirqd/323:20:003
2847191570,4ptp4l0-21swapper/121:55:251
2847191570,4ptp4l0-21swapper/023:13:590
2847191560,4ptp4l0-21swapper/022:44:360
2847191560,4ptp4l0-21swapper/019:15:430
2847191560,4ptp4l0-21swapper/019:15:430
2847191560,4ptp4l0-21swapper/000:35:020
2847191560,4ptp4l0-21swapper/000:25:010
2847191560,4ptp4l0-21swapper/000:07:180
2847191550,4ptp4l0-21swapper/023:37:190
2847191550,3ptp4l0-21swapper/222:35:172
2847191550,3ptp4l0-21swapper/221:35:182
2847191540,4ptp4l0-21swapper/122:23:101
2847191540,4ptp4l0-21swapper/022:20:380
2847191540,3ptp4l0-21swapper/019:12:300
27553995424,8cyclictest41-21ksoftirqd/300:00:163
27553995424,8cyclictest41-21ksoftirqd/300:00:163
2847191530,4ptp4l0-21swapper/223:11:072
2847191530,4ptp4l0-21swapper/200:16:532
27553995326,7cyclictest41-21ksoftirqd/320:00:233
2847191520,4ptp4l0-21swapper/200:39:172
2847191520,4ptp4l0-21swapper/023:57:110
2847191520,3ptp4l0-21swapper/119:10:261
2847191520,14ptp4l0-21swapper/100:31:341
2847191520,14ptp4l0-21swapper/100:31:341
27550995210,6cyclictest9-21ksoftirqd/000:17:240
2847191510,4ptp4l0-21swapper/322:05:333
2847191510,4ptp4l0-21swapper/222:27:082
2847191510,4ptp4l0-21swapper/121:34:071
2847191510,4ptp4l0-21swapper/022:34:330
2847191510,4ptp4l0-21swapper/020:15:020
2847191510,4ptp4l0-21swapper/020:01:520
2847191510,4ptp4l0-21swapper/019:44:490
2847191510,3ptp4l0-21swapper/123:01:201
2847191510,3ptp4l0-21swapper/121:27:301
2847191510,3ptp4l0-21swapper/022:04:200
2847191510,12ptp4l25661-21fw_packets19:05:241
2755399515,8cyclictest41-21ksoftirqd/300:10:163
2755399513,6cyclictest41-21ksoftirqd/319:25:153
2847191500,4ptp4l0-21swapper/020:10:330
2847191500,4ptp4l0-21swapper/000:12:510
2847191500,10ptp4l0-21swapper/120:30:371
2847191490,9ptp4l0-21swapper/020:54:480
2847191490,4ptp4l0-21swapper/219:45:162
2847191490,3ptp4l0-21swapper/320:23:243
27553994918,8cyclictest41-21ksoftirqd/323:35:273
2755399490,16cyclictest41-21ksoftirqd/321:02:353
2847191480,2ptp4l0-21swapper/221:22:272
2755399484,7cyclictest41-21ksoftirqd/322:15:013
27553994839,6cyclictest8650-21unixbench_multi19:35:283
2755399483,6cyclictest41-21ksoftirqd/319:50:013
2755399483,6cyclictest0-21swapper/320:25:183
27553994823,8cyclictest41-21ksoftirqd/322:40:223
2755399482,28cyclictest0-21swapper/319:50:283
27553994817,7cyclictest41-21ksoftirqd/320:30:173
2755399480,6cyclictest41-21ksoftirqd/321:05:253
2847191470,9ptp4l0-21swapper/221:34:502
2847191470,4ptp4l0-21swapper/022:50:270
2847191470,3ptp4l0-21swapper/322:51:023
2755399474,7cyclictest41-21ksoftirqd/322:35:003
27553994719,8cyclictest41-21ksoftirqd/322:35:253
2755399470,8cyclictest41-21ksoftirqd/320:10:303
2755399470,6cyclictest9355-21wc19:40:143
2847191460,4ptp4l0-21swapper/123:30:161
2847191460,12ptp4l0-21swapper/222:15:172
2755399465,9cyclictest41-21ksoftirqd/323:30:003
2755399465,7cyclictest41-21ksoftirqd/323:00:293
2755399465,7cyclictest41-21ksoftirqd/322:05:013
2755399465,7cyclictest41-21ksoftirqd/321:30:213
2755399464,7cyclictest41-21ksoftirqd/300:35:013
2755399464,7cyclictest41-21ksoftirqd/300:15:273
2755399463,7cyclictest0-21swapper/320:37:153
2755399463,6cyclictest41-21ksoftirqd/322:55:263
2755399463,6cyclictest0-21swapper/322:45:483
2755399462,7cyclictest0-21swapper/323:40:243
2847191450,4ptp4l28314-21apt-get00:20:131
2847191450,4ptp4l0-21swapper/322:18:163
2847191450,4ptp4l0-21swapper/223:05:332
2755399455,9cyclictest41-21ksoftirqd/300:20:133
2755399455,7cyclictest41-21ksoftirqd/320:15:203
2755399455,7cyclictest41-21ksoftirqd/300:35:003
2755399454,7cyclictest41-21ksoftirqd/322:00:003
2755399452,7cyclictest0-21swapper/323:30:133
2755399452,7cyclictest0-21swapper/319:34:323
2755399452,6cyclictest0-21swapper/323:56:023
2755399452,6cyclictest0-21swapper/322:29:283
2755399452,6cyclictest0-21swapper/321:35:273
2755399451,6cyclictest41-21ksoftirqd/321:10:403
41798440,4rtkit-daemon0-21swapper/220:39:342
2847191440,9ptp4l0-21swapper/022:46:530
2847191440,4ptp4l19385-21apt-get21:10:162
2847191440,4ptp4l0-21swapper/222:40:442
2847191440,4ptp4l0-21swapper/021:58:050
2847191440,3ptp4l0-21swapper/200:25:182
2847191440,3ptp4l0-21swapper/123:29:101
2847191440,14ptp4l0-21swapper/223:22:162
2755399445,7cyclictest41-21ksoftirqd/320:45:183
2755399443,6cyclictest41-21ksoftirqd/319:20:273
2755399442,7cyclictest41-21ksoftirqd/320:40:293
2755399442,7cyclictest0-21swapper/323:10:103
27550994414,4cyclictest9-21ksoftirqd/023:26:320
2847191430,9ptp4l0-21swapper/223:43:432
2847191430,9ptp4l0-21swapper/219:56:532
2847191430,9ptp4l0-21swapper/219:24:472
2847191430,9ptp4l0-21swapper/219:15:512
2847191430,9ptp4l0-21swapper/219:15:512
2847191430,9ptp4l0-21swapper/200:03:182
2847191430,9ptp4l0-21swapper/200:03:182
2847191430,5ptp4l8017-21iostat20:45:211
2847191430,5ptp4l27259-21apt-get22:55:120
2847191430,4ptp4l9343-21apt-get19:40:131
2847191430,4ptp4l31223-21apt-get00:30:080
2847191430,4ptp4l31223-21apt-get00:30:080
2847191430,4ptp4l11642-21apt-get19:45:141
2847191430,3ptp4l0-21swapper/200:12:402
2847191430,3ptp4l0-21swapper/122:44:381
2847191430,10ptp4l0-21swapper/223:28:532
2755399434,7cyclictest41-21ksoftirqd/322:20:303
2755399434,7cyclictest41-21ksoftirqd/319:15:303
2755399434,7cyclictest41-21ksoftirqd/319:15:303
2755399433,8cyclictest41-21ksoftirqd/321:50:003
2755399430,7cyclictest0-21swapper/323:49:313
2755399430,6cyclictest2847191ptp4l21:20:003
2847191420,9ptp4l0-21swapper/221:26:382
2847191420,9ptp4l0-21swapper/219:28:152
2847191420,8ptp4l0-21swapper/219:50:552
2847191420,5ptp4l0-21swapper/100:00:141
2847191420,5ptp4l0-21swapper/100:00:141
2847191420,5ptp4l0-21swapper/020:05:200
2847191420,4ptp4l27583-21diskstats22:55:141
2847191420,4ptp4l23690-21diskstats20:10:181
2847191420,4ptp4l0-21swapper/123:44:071
2847191420,4ptp4l0-21swapper/121:49:091
2847191420,4ptp4l0-21swapper/023:02:440
2847191420,4ptp4l0-21swapper/022:05:520
2847191420,4ptp4l0-21swapper/000:20:200
2847191420,3ptp4l17113-21ls23:50:211
2755399425,6cyclictest41-21ksoftirqd/321:50:133
2755399425,4cyclictest41-21ksoftirqd/319:55:223
2755399424,8cyclictest41-21ksoftirqd/300:35:283
2755399424,7cyclictest41-21ksoftirqd/320:05:163
2755399423,6cyclictest0-21swapper/323:06:273
2755399422,11cyclictest41-21ksoftirqd/321:43:223
2847191410,9ptp4l4620-21taskset23:18:462
2847191410,5ptp4l5417-21fschecks_time23:20:153
2847191410,5ptp4l0-21swapper/123:15:081
2847191410,5ptp4l0-21swapper/120:00:191
2847191410,5ptp4l0-21swapper/119:35:201
2847191410,5ptp4l0-21swapper/023:15:220
2847191410,5ptp4l0-21swapper/022:35:180
2847191410,5ptp4l0-21swapper/021:45:580
2847191410,5ptp4l0-21swapper/021:40:200
2847191410,5ptp4l0-21swapper/019:39:050
2847191410,4ptp4l4885-21df19:30:161
2847191410,4ptp4l31644-21ntp_states20:25:241
2847191410,4ptp4l2755099cyclictest19:25:290
2847191410,4ptp4l24871-21/usr/sbin/munin00:10:201
2847191410,4ptp4l16884-21hddtemp_smartct19:55:140
2847191410,4ptp4l10528-21iostat20:50:231
2847191410,4ptp4l0-21swapper/223:49:162
2847191410,4ptp4l0-21swapper/223:00:062
2847191410,4ptp4l0-21swapper/221:16:482
2847191410,4ptp4l0-21swapper/220:00:232
2847191410,4ptp4l0-21swapper/121:35:161
2847191410,4ptp4l0-21swapper/020:29:140
2847191410,3ptp4l31866-21diskstats21:40:172
2847191410,3ptp4l27999-21apt-get20:20:121
2847191410,3ptp4l0-21swapper/119:20:511
2847191410,3ptp4l0-21swapper/021:30:010
2755399414,6cyclictest41-21ksoftirqd/323:50:103
2755399414,6cyclictest41-21ksoftirqd/319:10:153
2755399412,6cyclictest0-21swapper/321:24:253
2755399412,32cyclictest0-21swapper/300:26:263
27552994112,27cyclictest0-21swapper/220:10:302
27550994116,3cyclictest9-21ksoftirqd/023:20:270
41798400,4rtkit-daemon0-21swapper/220:20:322
2847191400,5ptp4l0-21swapper/122:30:151
2847191400,5ptp4l0-21swapper/121:40:211
2847191400,5ptp4l0-21swapper/119:50:161
2847191400,5ptp4l0-21swapper/021:05:180
2847191400,5ptp4l0-21swapper/020:35:130
2847191400,4ptp4l10476-21iostat_ios22:10:141
2847191400,4ptp4l0-21swapper/223:35:092
2847191400,4ptp4l0-21swapper/223:32:272
2847191400,4ptp4l0-21swapper/222:53:432
2847191400,4ptp4l0-21swapper/222:47:082
2847191400,4ptp4l0-21swapper/221:57:252
2847191400,4ptp4l0-21swapper/221:46:452
2847191400,4ptp4l0-21swapper/221:09:102
2847191400,4ptp4l0-21swapper/221:01:352
2847191400,4ptp4l0-21swapper/220:52:572
2847191400,4ptp4l0-21swapper/220:32:042
2847191400,4ptp4l0-21swapper/220:26:412
2847191400,4ptp4l0-21swapper/220:05:342
2847191400,4ptp4l0-21swapper/219:37:322
2847191400,4ptp4l0-21swapper/200:30:122
2847191400,4ptp4l0-21swapper/200:30:122
2847191400,4ptp4l0-21swapper/200:20:552
2847191400,4ptp4l0-21swapper/123:56:251
2847191400,4ptp4l0-21swapper/123:07:551
2847191400,4ptp4l0-21swapper/122:15:271
2847191400,4ptp4l0-21swapper/121:10:241
2847191400,4ptp4l0-21swapper/120:55:241
2847191400,4ptp4l0-21swapper/120:09:241
2847191400,4ptp4l0-21swapper/119:16:581
2847191400,4ptp4l0-21swapper/119:16:581
2847191400,4ptp4l0-21swapper/100:27:561
2847191400,4ptp4l0-21swapper/023:31:570
2847191400,4ptp4l0-21swapper/021:50:180
2847191400,4ptp4l0-21swapper/021:27:120
2847191400,4ptp4l0-21swapper/021:23:450
2847191400,4ptp4l0-21swapper/021:11:520
2847191400,4ptp4l0-21swapper/020:59:100
2847191400,4ptp4l0-21swapper/020:30:280
2847191400,4ptp4l0-21swapper/000:01:120
2847191400,4ptp4l0-21swapper/000:01:120
2847191400,3ptp4l20685-21meminfo22:35:201
2847191400,3ptp4l13690-21apt-get19:50:020
2847191400,3ptp4l13208-21meminfo20:55:212
2847191400,3ptp4l10751-21irqstats22:10:160
2847191400,3ptp4l0-21swapper/222:59:452
2755399402,6cyclictest0-21swapper/321:26:543
2755099405,2cyclictest121rcu_preempt21:15:260
2847191390,5ptp4l16031-21cut23:50:102
2847191390,5ptp4l0-21swapper/121:15:131
2847191390,5ptp4l0-21swapper/023:05:400
2847191390,5ptp4l0-21swapper/020:45:220
2847191390,4ptp4l0-21swapper/222:21:042
2847191390,4ptp4l0-21swapper/222:10:422
2847191390,4ptp4l0-21swapper/222:00:282
2847191390,4ptp4l0-21swapper/220:40:012
2847191390,4ptp4l0-21swapper/220:15:492
2847191390,4ptp4l0-21swapper/219:31:082
2847191390,4ptp4l0-21swapper/200:06:462
2847191390,4ptp4l0-21swapper/123:35:381
2847191390,4ptp4l0-21swapper/123:10:081
2847191390,4ptp4l0-21swapper/122:00:471
2847191390,4ptp4l0-21swapper/121:23:081
2847191390,4ptp4l0-21swapper/120:40:291
2847191390,4ptp4l0-21swapper/119:59:231
2847191390,4ptp4l0-21swapper/100:38:251
2847191390,4ptp4l0-21swapper/100:15:211
2847191390,4ptp4l0-21swapper/023:46:470
2847191390,4ptp4l0-21swapper/023:40:530
2847191390,4ptp4l0-21swapper/022:29:430
2847191390,4ptp4l0-21swapper/022:15:120
2847191390,4ptp4l0-21swapper/021:37:300
2847191390,4ptp4l0-21swapper/019:47:560
2847191390,3ptp4l3674-21systemctl19:25:261
2847191390,3ptp4l28176-21cpuspeed_turbos20:20:150
2847191390,3ptp4l28025-21hddtemp_smartct19:10:182
2847191390,3ptp4l0-21swapper/120:37:141
2847191390,3ptp4l0-21swapper/019:31:220
2755299391,37cyclictest0-21swapper/220:45:292
2847191380,5ptp4l0-21swapper/019:21:010
2847191380,4ptp4l0-21swapper/300:05:543
2847191380,4ptp4l0-21swapper/222:05:142
2847191380,4ptp4l0-21swapper/123:45:231
2847191380,4ptp4l0-21swapper/123:20:241
2847191380,4ptp4l0-21swapper/121:50:041
2847191380,4ptp4l0-21swapper/121:08:441
2847191380,4ptp4l0-21swapper/100:05:591
2847191380,3ptp4l0-21swapper/122:26:361
2847191380,3ptp4l0-21swapper/121:00:221
2847191380,2ptp4l25669-21apt-get20:15:131
2847191370,4ptp4l0-21swapper/122:46:561
41798310,14rtkit-daemon25224-21apt-get19:05:182
263162174,8sleep30-21swapper/319:05:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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