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2025-12-06 - 01:28
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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 rack1slot1.osadl.org (updated Sat Dec 06, 2025 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4212227160,23sleep10-21swapper/119:06:591
6612225149,22sleep20-21swapper/219:09:452
3382207157,25sleep30-21swapper/319:06:003
5062200161,26sleep00-21swapper/019:08:020
171272620,0sleep30-21swapper/321:40:153
76999190,7cyclictest0-21swapper/019:15:110
300302190,0sleep121-21ksoftirqd/123:30:171
789991312,0cyclictest0-21swapper/223:43:052
789991310,1cyclictest28-21ksoftirqd/220:15:002
152592130,0sleep20-21swapper/221:38:342
79699120,11cyclictest31278-21kworker/u8:222:53:013
76999123,4cyclictest25979-21grep21:10:000
769991210,1cyclictest9-21ksoftirqd/020:49:590
789991110,1cyclictest28-21ksoftirqd/223:30:202
789991110,1cyclictest28-21ksoftirqd/200:15:132
76999110,5cyclictest1-21systemd23:00:000
79699109,1cyclictest35-21ksoftirqd/322:20:013
79699100,9cyclictest819-21lldpd23:24:363
78999109,1cyclictest28-21ksoftirqd/223:55:172
78999109,1cyclictest28-21ksoftirqd/223:26:332
78999108,1cyclictest1613-21sh21:20:152
78999104,3cyclictest28-21ksoftirqd/222:18:252
76999103,4cyclictest19405-21sed21:45:000
107772100,0sleep30-21swapper/323:03:473
7969998,1cyclictest35-21ksoftirqd/323:05:393
7969992,2cyclictest6585-21sh00:29:443
7969991,3cyclictest23792-21apt-get21:05:143
7899999,0cyclictest28-21ksoftirqd/222:45:222
7899998,1cyclictest28-21ksoftirqd/223:00:142
7899998,1cyclictest28-21ksoftirqd/222:05:142
7899998,1cyclictest28-21ksoftirqd/219:20:002
7899997,1cyclictest28-21ksoftirqd/223:47:472
7899997,1cyclictest28-21ksoftirqd/220:20:002
7899990,8cyclictest3140-21munin-node21:03:032
7899990,8cyclictest25922-21diskmemload22:50:132
7699999,0cyclictest9-21ksoftirqd/021:34:080
7699998,1cyclictest9-21ksoftirqd/023:05:280
7699998,1cyclictest9-21ksoftirqd/021:20:140
7699998,1cyclictest9-21ksoftirqd/000:40:010
7699994,5cyclictest25867-21latency_hist22:40:000
7699993,5cyclictest494-21/usr/sbin/munin22:50:000
7699992,5cyclictest819-21lldpd22:53:050
7969986,1cyclictest35-21ksoftirqd/319:40:003
7969982,4cyclictest6126-21/usr/sbin/munin22:55:233
7969980,4cyclictest4777-21/usr/sbin/munin21:25:193
7899988,0cyclictest28-21ksoftirqd/223:20:212
7899987,1cyclictest28-21ksoftirqd/222:34:212
7899987,1cyclictest28-21ksoftirqd/220:55:142
7899987,1cyclictest28-21ksoftirqd/200:07:492
7899986,1cyclictest28-21ksoftirqd/222:25:172
7899986,1cyclictest28-21ksoftirqd/220:40:142
7899981,5cyclictest0-21swapper/223:35:122
7899980,7cyclictest25922-21diskmemload23:05:002
7899980,7cyclictest0-21swapper/219:30:142
7899980,6cyclictest3140-21munin-node20:29:012
7899980,5cyclictest254-21systemd-journal23:55:012
7699988,0cyclictest25922-21diskmemload21:46:090
7699987,1cyclictest9-21ksoftirqd/000:30:010
7699987,1cyclictest9-21ksoftirqd/000:10:000
7699986,1cyclictest9-21ksoftirqd/020:10:010
7699981,6cyclictest14737-1kworker/u9:122:26:040
7699981,4cyclictest12851-21users19:30:220
7699980,7cyclictest25724-21ssh21:52:190
7699980,2cyclictest0-21swapper/019:25:170
7699980,1cyclictest8155-21cron22:15:000
7699980,1cyclictest10952-21ssh23:04:190
7969976,1cyclictest35-21ksoftirqd/321:05:003
7969976,0cyclictest25922-21diskmemload22:20:523
7969975,1cyclictest35-21ksoftirqd/320:50:003
7969975,1cyclictest13095-21ssh00:37:313
7969975,1cyclictest10990-21ssh21:32:353
7969974,1cyclictest570-21systemd-logind22:30:203
7969973,2cyclictest254-21systemd-journal21:53:043
7969972,4cyclictest1497-21sendmail-mta00:20:323
7969970,7cyclictest0-21swapper/322:49:063
7969970,4cyclictest0-21swapper/300:05:133
7969970,3cyclictest0-21swapper/300:10:133
7969970,2cyclictest0-21swapper/323:41:353
7969970,2cyclictest0-21swapper/322:25:233
7969970,1cyclictest254-21systemd-journal00:35:003
7899977,0cyclictest0-21swapper/221:54:572
7899976,1cyclictest60950irq/123-eno123:10:182
7899976,1cyclictest60950irq/123-eno122:59:232
7899976,1cyclictest60950irq/123-eno122:10:182
7899976,1cyclictest60950irq/123-eno121:58:212
7899976,1cyclictest28-21ksoftirqd/219:25:132
7899976,0cyclictest60950irq/123-eno100:25:172
7899975,1cyclictest30387-21kworker/2:222:20:172
7899975,1cyclictest28-21ksoftirqd/200:30:152
7899974,2cyclictest554-21in:imuxsock19:55:002
7899974,2cyclictest3140-21munin-node00:11:302
7899974,1cyclictest60950irq/123-eno123:18:212
7899974,1cyclictest25922-21diskmemload00:20:162
7899974,1cyclictest254-21systemd-journal19:46:302
7899973,0cyclictest25922-21diskmemload21:30:032
7899971,5cyclictest546-21irqbalance19:38:562
7899970,7cyclictest0-21swapper/222:35:222
7899970,4cyclictest0-21swapper/221:45:112
7899970,4cyclictest0-21swapper/200:35:032
7789970,6cyclictest0-21swapper/121:40:141
7789970,6cyclictest0-21swapper/119:55:161
7789970,6cyclictest0-21swapper/119:45:131
7789970,4cyclictest0-21swapper/122:30:211
7699976,1cyclictest9-21ksoftirqd/021:00:000
7699976,1cyclictest26835-21/usr/sbin/munin21:55:200
7699976,1cyclictest17005-21ssh23:11:090
7699976,1cyclictest10014-21ssh22:15:250
7699975,1cyclictest25922-21diskmemload00:00:130
7699975,1cyclictest13650irq/124-ahci[0019:49:550
7699974,2cyclictest9165-21cron20:35:000
7699974,1cyclictest254-21systemd-journal20:05:000
7699972,4cyclictest4697-21apt20:25:130
7699970,7cyclictest26537-21rm23:25:190
7699970,7cyclictest0-21swapper/019:43:220
7699970,6cyclictest8120-21hddtemp_smartct23:45:160
7699970,6cyclictest742-21runrttasks19:50:130
7699970,6cyclictest6240-21python21:25:250
7699970,6cyclictest499-21fschecks_time00:20:140
7699970,6cyclictest3724-21ssh22:06:570
7699970,6cyclictest18677-21wc23:15:150
7699970,6cyclictest0-21swapper/022:05:000
7699970,6cyclictest0-21swapper/021:35:150
7699970,2cyclictest0-21swapper/000:30:130
7699970,1cyclictest26211-21telnet21:10:120
7699970,1cyclictest26121-21ssh22:40:040
7699970,1cyclictest25154-21ssh00:10:090
7699970,1cyclictest2019-21ssh23:35:230
7699970,1cyclictest16335-21ssh23:55:230
7699970,1cyclictest12858-21ssh23:51:100
7699970,1cyclictest0-21swapper/023:20:180
7699970,1cyclictest0-21swapper/021:00:170
7699970,1cyclictest0-21swapper/019:20:200
7969966,0cyclictest35-21ksoftirqd/322:40:003
7969965,1cyclictest840-21cat20:15:173
7969965,1cyclictest7383-21ssh22:12:303
7969965,1cyclictest3405-21ssh21:21:523
7969965,1cyclictest31637-21ssh21:15:363
7969965,1cyclictest2930-21ssh22:05:203
7969965,1cyclictest29046-21ssh21:56:453
7969965,1cyclictest20492-21ssh00:02:173
7969965,1cyclictest1877-21cat19:10:163
7969965,1cyclictest14919-21ssh23:10:013
7969965,1cyclictest14401-21ssh21:36:123
7969965,1cyclictest13353-21ssh23:52:433
7969964,1cyclictest4844-21hwlatdetect19:15:153
7969963,2cyclictest25922-21diskmemload21:45:133
7969963,2cyclictest21402-21grep19:50:153
7969961,2cyclictest0-21swapper/323:25:453
7969961,1cyclictest0-21swapper/319:55:123
7969960,6cyclictest0-21swapper/323:35:093
7969960,4cyclictest0-21swapper/323:45:143
7969960,3cyclictest28856-21pmu-power20:05:183
7969960,3cyclictest0-21swapper/319:25:173
7969960,2cyclictest0-21swapper/319:50:003
7969960,1cyclictest0-21swapper/323:16:513
7969960,1cyclictest0-21swapper/322:00:313
7969960,1cyclictest0-21swapper/300:17:093
7969960,0cyclictest25922-21diskmemload23:55:083
7969960,0cyclictest0-21swapper/321:11:503
7899966,0cyclictest60950irq/123-eno121:25:232
7899966,0cyclictest60950irq/123-eno121:15:032
7899966,0cyclictest60950irq/123-eno121:10:202
7899966,0cyclictest60950irq/123-eno121:08:392
7899966,0cyclictest60950irq/123-eno120:33:472
7899966,0cyclictest60950irq/123-eno119:24:492
7899966,0cyclictest60950irq/123-eno100:00:142
7899965,1cyclictest60950irq/123-eno122:00:152
7899964,1cyclictest60950irq/123-eno121:40:112
7899964,1cyclictest60950irq/123-eno120:50:152
7899964,1cyclictest60950irq/123-eno120:45:172
7899964,1cyclictest28-21ksoftirqd/220:20:132
7899964,1cyclictest28-21ksoftirqd/220:00:152
7899963,1cyclictest570-21systemd-logind19:55:182
7899962,3cyclictest26174-21/usr/sbin/munin22:40:182
7899960,0cyclictest0-21swapper/220:35:192
7789962,1cyclictest0-21swapper/123:45:131
7789961,3cyclictest0-21swapper/122:25:231
7789961,2cyclictest0-21swapper/123:35:211
7789960,6cyclictest0-21swapper/123:25:011
7789960,5cyclictest0-21swapper/122:05:151
7789960,5cyclictest0-21swapper/120:50:171
7789960,5cyclictest0-21swapper/100:10:171
7789960,4cyclictest0-21swapper/121:27:311
7789960,4cyclictest0-21swapper/100:03:061
7789960,1cyclictest0-21swapper/100:35:211
7699965,1cyclictest9-21ksoftirqd/000:15:010
7699964,1cyclictest975-21/usr/sbin/munin19:10:160
7699962,2cyclictest254-21systemd-journal19:36:300
7699961,4cyclictest12868-21ssh22:20:190
7699960,6cyclictest0-21swapper/022:32:130
7699960,6cyclictest0-21swapper/020:50:050
7699960,6cyclictest0-21swapper/020:15:210
7699960,5cyclictest25922-21diskmemload23:40:120
7699960,5cyclictest25922-21diskmemload23:30:160
7699960,3cyclictest0-21swapper/021:15:130
7699960,2cyclictest254-21systemd-journal20:22:010
7699960,1cyclictest0-21swapper/020:35:110
23004260,1sleep00-21swapper/019:55:120
7969954,1cyclictest4038-21head20:20:213
7969954,1cyclictest24632-21ssh22:36:083
7969952,2cyclictest11779-21/usr/sbin/munin20:40:123
7969951,2cyclictest254-21systemd-journal20:59:173
7969950,5cyclictest0-21swapper/319:40:133
7969950,2cyclictest0-21swapper/323:30:083
7969950,1cyclictest254-21systemd-journal19:25:013
7969950,0cyclictest0-21swapper/320:10:073
7899955,0cyclictest60950irq/123-eno119:40:052
7899955,0cyclictest60950irq/123-eno119:12:022
7899954,1cyclictest60950irq/123-eno120:05:182
7789955,0cyclictest0-21swapper/123:52:561
7789953,1cyclictest32020-21chrt20:13:431
7789953,1cyclictest0-21swapper/123:05:151
7789952,2cyclictest0-21swapper/123:00:331
7789952,1cyclictest165362sleep123:55:591
7789951,3cyclictest0-21swapper/121:23:341
7789951,1cyclictest0-21swapper/119:50:201
7789951,1cyclictest0-21swapper/119:40:181
7789950,4cyclictest297252sleep121:15:061
7789950,4cyclictest0-21swapper/122:40:211
7789950,4cyclictest0-21swapper/122:15:401
7789950,3cyclictest0-21swapper/123:25:261
7789950,3cyclictest0-21swapper/123:18:581
7789950,3cyclictest0-21swapper/123:12:421
7789950,3cyclictest0-21swapper/122:47:231
7789950,3cyclictest0-21swapper/122:20:221
7789950,3cyclictest0-21swapper/121:51:111
7789950,3cyclictest0-21swapper/119:20:111
7789950,3cyclictest0-21swapper/100:33:261
7789950,3cyclictest0-21swapper/100:22:221
7789950,2cyclictest0-21swapper/122:00:211
7789950,2cyclictest0-21swapper/100:28:231
7789950,2cyclictest0-21swapper/100:06:411
7789950,1cyclictest0-21swapper/123:40:111
7789950,0cyclictest0-21swapper/122:54:411
7789950,0cyclictest0-21swapper/121:35:031
7699950,4cyclictest0-21swapper/020:40:120
7699950,0cyclictest0-21swapper/020:10:540
7969943,1cyclictest9865-21ls20:35:143
7969943,1cyclictest4698-21apt-get20:25:153
7969942,1cyclictest7650-21cut20:30:173
7969942,1cyclictest12086-21latency19:30:173
7969941,1cyclictest0-21swapper/320:00:123
7969940,1cyclictest254-21systemd-journal20:51:323
7789944,0cyclictest0-21swapper/119:12:391
7789943,1cyclictest8954-21chrt20:32:251
7789942,1cyclictest23232sleep120:20:031
7789942,1cyclictest11619-21chrt19:30:131
7789941,2cyclictest0-21swapper/121:55:121
7789941,1cyclictest0-21swapper/119:25:101
7789940,4cyclictest0-21swapper/121:05:201
7789940,3cyclictest0-21swapper/122:35:151
7789940,3cyclictest0-21swapper/121:11:201
7789940,3cyclictest0-21swapper/120:55:121
7789940,3cyclictest0-21swapper/120:35:161
7789940,2cyclictest0-21swapper/122:55:131
7789940,2cyclictest0-21swapper/122:10:181
7789940,2cyclictest0-21swapper/119:15:111
7789940,2cyclictest0-21swapper/100:15:221
7789940,1cyclictest0-21swapper/121:45:041
7789940,1cyclictest0-21swapper/121:30:011
7789940,1cyclictest0-21swapper/121:00:141
7789940,1cyclictest0-21swapper/120:07:391
7789940,1cyclictest0-21swapper/119:35:111
7789940,0cyclictest0-21swapper/120:25:211
7789931,1cyclictest0-21swapper/120:15:141
7789931,1cyclictest0-21swapper/120:00:151
7789930,2cyclictest0-21swapper/120:45:101
7789930,1cyclictest0-21swapper/120:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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