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2025-12-23 - 07:01
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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 Tue Dec 23, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263722214175,25sleep30-21swapper/319:07:113
264052208176,20sleep20-21swapper/219:07:342
264232204149,42sleep00-21swapper/019:07:480
264342198160,25sleep10-21swapper/119:07:581
9222210,0sleep00-21swapper/022:45:180
26680991817,1cyclictest28-21ksoftirqd/221:35:182
26680991716,1cyclictest28-21ksoftirqd/222:25:142
26680991716,1cyclictest28-21ksoftirqd/222:25:142
26680991716,1cyclictest28-21ksoftirqd/220:30:002
26680991716,1cyclictest28-21ksoftirqd/200:10:202
26680991716,1cyclictest28-21ksoftirqd/200:05:212
26680991715,1cyclictest28-21ksoftirqd/220:45:202
26680991615,1cyclictest28-21ksoftirqd/221:40:162
26680991615,1cyclictest28-21ksoftirqd/221:05:212
26680991614,1cyclictest28-21ksoftirqd/221:55:202
26680991514,1cyclictest28-21ksoftirqd/222:15:142
26680991413,1cyclictest28-21ksoftirqd/223:20:162
26680991413,1cyclictest28-21ksoftirqd/220:40:202
26680991413,1cyclictest28-21ksoftirqd/220:10:212
26680991412,1cyclictest28-21ksoftirqd/223:44:592
26680991412,1cyclictest28-21ksoftirqd/223:20:002
26680991412,1cyclictest28-21ksoftirqd/221:00:012
26680991412,1cyclictest28-21ksoftirqd/200:25:212
26680991312,1cyclictest28-21ksoftirqd/222:35:142
26680991312,1cyclictest28-21ksoftirqd/222:10:182
26680991312,1cyclictest28-21ksoftirqd/222:05:162
26680991311,1cyclictest28-21ksoftirqd/223:15:002
26680991311,1cyclictest28-21ksoftirqd/200:00:002
2668099129,1cyclictest28-21ksoftirqd/221:10:012
26680991212,0cyclictest28-21ksoftirqd/221:00:162
26680991212,0cyclictest28-21ksoftirqd/219:55:132
26680991211,1cyclictest28-21ksoftirqd/223:40:012
26680991211,1cyclictest28-21ksoftirqd/223:00:002
26680991211,1cyclictest28-21ksoftirqd/200:15:022
26680991211,1cyclictest28-21ksoftirqd/200:05:002
26680991210,1cyclictest28-21ksoftirqd/223:35:012
26680991210,1cyclictest28-21ksoftirqd/223:05:002
26680991210,1cyclictest28-21ksoftirqd/220:55:002
26680991210,1cyclictest28-21ksoftirqd/220:10:002
26680991210,1cyclictest28-21ksoftirqd/219:55:002
26680991210,1cyclictest28-21ksoftirqd/219:40:012
2666699124,4cyclictest29023-21latency_hist19:15:000
2668099119,1cyclictest28-21ksoftirqd/223:49:592
2668099119,1cyclictest28-21ksoftirqd/223:10:002
2668099119,1cyclictest28-21ksoftirqd/222:54:392
2668099119,1cyclictest28-21ksoftirqd/221:55:002
2668099119,1cyclictest28-21ksoftirqd/221:25:002
2668099119,1cyclictest28-21ksoftirqd/220:20:182
2668099119,1cyclictest28-21ksoftirqd/219:15:002
2668099119,1cyclictest28-21ksoftirqd/200:40:002
2668099118,1cyclictest28-21ksoftirqd/223:50:002
2668099114,5cyclictest28-21ksoftirqd/223:25:142
2668099113,7cyclictest28-21ksoftirqd/220:35:132
26680991110,1cyclictest28-21ksoftirqd/222:49:592
26680991110,1cyclictest28-21ksoftirqd/222:40:212
26680991110,1cyclictest28-21ksoftirqd/222:35:002
26680991110,1cyclictest28-21ksoftirqd/220:00:182
2666699119,1cyclictest9-21ksoftirqd/020:15:000
2666699113,4cyclictest9106-21cat19:40:010
2666699112,4cyclictest31505-21latency_hist21:35:000
142032110,0sleep00-21swapper/000:20:190
2668599108,1cyclictest32577-21turbostat.cron22:44:593
2668099109,1cyclictest28-21ksoftirqd/221:45:002
2668099109,1cyclictest28-21ksoftirqd/221:30:192
2668099109,1cyclictest28-21ksoftirqd/221:20:002
2668099109,1cyclictest28-21ksoftirqd/219:25:012
2668099108,1cyclictest28-21ksoftirqd/222:20:182
2668099108,1cyclictest28-21ksoftirqd/220:30:172
2668099108,1cyclictest28-21ksoftirqd/220:15:142
2668099108,1cyclictest28-21ksoftirqd/219:45:002
2668099108,1cyclictest28-21ksoftirqd/219:35:012
2668099108,1cyclictest28-21ksoftirqd/200:30:202
2666699108,1cyclictest9-21ksoftirqd/023:25:010
2666699108,1cyclictest9-21ksoftirqd/020:54:590
2666699108,1cyclictest9-21ksoftirqd/020:45:000
2666699102,4cyclictest30267-21perf22:40:000
266859990,6cyclictest14532-21apt-get23:15:143
266809998,1cyclictest28-21ksoftirqd/221:25:152
266809998,1cyclictest28-21ksoftirqd/219:15:002
266809998,1cyclictest28-21ksoftirqd/200:25:002
266809997,1cyclictest28-21ksoftirqd/222:00:002
266809997,1cyclictest28-21ksoftirqd/219:45:202
266809997,1cyclictest28-21ksoftirqd/219:30:012
266729990,4cyclictest0-21swapper/100:30:131
266669997,1cyclictest9-21ksoftirqd/023:10:000
266669997,1cyclictest9-21ksoftirqd/022:05:000
266669995,0cyclictest0-21swapper/021:24:470
266669993,5cyclictest4385-21perf19:30:010
266669990,7cyclictest240-21systemd-journal21:00:000
266859987,1cyclictest35-21ksoftirqd/322:30:003
266859987,1cyclictest35-21ksoftirqd/322:30:003
266859987,1cyclictest35-21ksoftirqd/319:25:113
266859986,1cyclictest707-21snmpd23:22:363
266859986,1cyclictest707-21snmpd22:12:133
266859986,1cyclictest707-21snmpd20:29:013
266859986,1cyclictest27037-21/usr/sbin/munin21:25:143
266859980,2cyclictest0-21swapper/322:00:133
266729981,6cyclictest0-21swapper/119:37:201
266669988,0cyclictest9-21ksoftirqd/000:05:140
266669987,1cyclictest9-21ksoftirqd/022:20:180
266669987,1cyclictest9-21ksoftirqd/022:10:000
266669987,1cyclictest9-21ksoftirqd/021:44:590
266669987,1cyclictest9-21ksoftirqd/019:55:000
266669987,1cyclictest9-21ksoftirqd/000:10:130
266669986,1cyclictest707-21snmpd20:48:520
266669983,5cyclictest2054-21latency_hist19:25:000
266669983,5cyclictest1493-21sed21:40:000
266669981,3cyclictest20072-21perf00:35:000
266669980,7cyclictest28570-21chrt23:43:580
4151270,1sleep121-21ksoftirqd/100:00:161
266859976,1cyclictest707-21snmpd22:08:393
266859976,1cyclictest707-21snmpd19:53:233
266859976,1cyclictest707-21snmpd00:26:573
266859976,1cyclictest35-21ksoftirqd/323:28:313
266859976,1cyclictest35-21ksoftirqd/322:55:003
266859976,1cyclictest35-21ksoftirqd/321:00:003
266859976,1cyclictest35-21ksoftirqd/321:00:003
266859975,1cyclictest707-21snmpd22:49:453
266859975,1cyclictest707-21snmpd21:22:383
266859975,1cyclictest707-21snmpd20:13:123
266859975,1cyclictest707-21snmpd19:45:503
266859975,1cyclictest707-21snmpd00:39:573
266859975,1cyclictest19528-21cat22:15:143
266859972,4cyclictest32302-21apt-get19:20:133
266859970,1cyclictest0-21swapper/323:50:123
266729971,3cyclictest0-21swapper/122:50:131
266729971,3cyclictest0-21swapper/120:35:011
266729971,1cyclictest0-21swapper/122:59:181
266729971,1cyclictest0-21swapper/120:23:551
266729970,6cyclictest0-21swapper/120:28:281
266729970,4cyclictest0-21swapper/119:50:121
266729970,3cyclictest0-21swapper/123:35:111
266729970,1cyclictest0-21swapper/121:20:001
266669976,1cyclictest9-21ksoftirqd/022:30:140
266669976,1cyclictest9-21ksoftirqd/000:15:010
266669976,1cyclictest707-21snmpd22:53:560
266669975,1cyclictest707-21snmpd23:48:280
266669975,1cyclictest707-21snmpd23:37:100
266669975,1cyclictest707-21snmpd21:53:390
266669975,1cyclictest707-21snmpd20:27:330
266669975,1cyclictest707-21snmpd19:33:060
266669975,1cyclictest31262-21hddtemp_smartct22:40:150
266669971,5cyclictest0-21swapper/000:25:140
266669970,6cyclictest707-21snmpd21:09:100
266669970,6cyclictest27709-21fschecks_time21:25:150
266669970,2cyclictest0-21swapper/019:15:110
266669970,1cyclictest0-21swapper/021:45:110
2879260,0sleep10-21swapper/120:35:131
266859965,1cyclictest707-21snmpd23:33:063
266859965,1cyclictest707-21snmpd20:47:523
266859965,1cyclictest35-21ksoftirqd/321:10:003
266859965,1cyclictest35-21ksoftirqd/319:16:183
266859965,1cyclictest35-21ksoftirqd/300:35:013
266859965,1cyclictest31519-21perf21:35:003
266859965,1cyclictest22920-21sshd20:06:233
266859964,1cyclictest707-21snmpd20:23:163
266859964,1cyclictest707-21snmpd19:11:013
266859964,1cyclictest35-21ksoftirqd/319:59:223
266859963,1cyclictest8260-21/usr/sbin/munin00:10:143
266859963,1cyclictest240-21systemd-journal23:05:013
266859963,1cyclictest240-21systemd-journal00:15:013
266859962,3cyclictest27854-21munin-run22:35:003
266859961,3cyclictest3809-21cron21:45:003
266859960,2cyclictest5553-21cstates20:40:133
266859960,1cyclictest240-21systemd-journal00:04:553
266729960,6cyclictest0-21swapper/122:41:591
266729960,6cyclictest0-21swapper/121:57:461
266729960,6cyclictest0-21swapper/119:26:521
266729960,6cyclictest0-21swapper/119:20:171
266729960,5cyclictest0-21swapper/123:25:141
266729960,5cyclictest0-21swapper/123:20:171
266729960,5cyclictest0-21swapper/123:10:031
266729960,5cyclictest0-21swapper/121:25:051
266729960,5cyclictest0-21swapper/120:45:001
266729960,5cyclictest0-21swapper/120:17:551
266729960,5cyclictest0-21swapper/119:40:201
266729960,5cyclictest0-21swapper/119:30:161
266729960,2cyclictest0-21swapper/122:00:191
266729960,1cyclictest0-21swapper/122:25:161
266729960,1cyclictest0-21swapper/122:25:161
266729960,1cyclictest0-21swapper/120:44:451
266669965,1cyclictest707-21snmpd23:16:330
266669965,1cyclictest707-21snmpd21:11:530
266669965,1cyclictest707-21snmpd20:07:290
266669960,6cyclictest0-21swapper/022:10:310
266669960,6cyclictest0-21swapper/021:55:180
266669960,6cyclictest0-21swapper/020:04:310
266669960,5cyclictest26975-21ntp_states20:15:170
266669960,3cyclictest0-21swapper/021:15:120
266669960,1cyclictest523-21users23:50:220
266669960,1cyclictest0-21swapper/019:45:200
266669960,0cyclictest0-21swapper/023:14:200
266669960,0cyclictest0-21swapper/022:56:020
266669960,0cyclictest0-21swapper/022:15:160
266669960,0cyclictest0-21swapper/021:00:370
266669960,0cyclictest0-21swapper/020:30:170
266669960,0cyclictest0-21swapper/020:23:020
266669960,0cyclictest0-21swapper/019:40:100
266669960,0cyclictest0-21swapper/000:35:140
266859955,0cyclictest0-21swapper/320:53:063
266859955,0cyclictest0-21swapper/319:44:103
266859954,1cyclictest707-21snmpd23:48:043
266859954,1cyclictest5601-21systemctl21:45:203
266859954,1cyclictest35-21ksoftirqd/321:55:013
266859954,1cyclictest1373-21sshd21:39:233
266859953,1cyclictest9982-21stty23:05:143
266859953,1cyclictest707-21snmpd20:35:543
266859953,1cyclictest559-21cron21:15:003
266859953,1cyclictest35-21ksoftirqd/323:56:073
266859953,1cyclictest29792-21grep22:35:193
266859953,1cyclictest26533-21taskset23:40:103
266859953,1cyclictest24164-21apt-get23:35:113
266859952,1cyclictest435-21apt-get20:30:123
266859950,5cyclictest0-21swapper/321:12:263
266859950,5cyclictest0-21swapper/319:36:103
266859950,2cyclictest693-21runrttasks22:23:103
266859950,2cyclictest0-21swapper/320:00:123
266729955,0cyclictest0-21swapper/123:30:311
266729955,0cyclictest0-21swapper/122:05:591
266729955,0cyclictest0-21swapper/100:15:361
266729951,1cyclictest0-21swapper/121:20:121
266729950,5cyclictest0-21swapper/123:55:391
266729950,5cyclictest0-21swapper/123:17:001
266729950,5cyclictest0-21swapper/121:37:271
266729950,5cyclictest0-21swapper/121:30:471
266729950,5cyclictest0-21swapper/100:08:501
266729950,4cyclictest0-21swapper/120:05:161
266729950,3cyclictest0-21swapper/123:50:131
266729950,3cyclictest0-21swapper/122:45:151
266729950,3cyclictest0-21swapper/121:00:171
266729950,2cyclictest0-21swapper/121:45:131
266729950,2cyclictest0-21swapper/120:55:191
266729950,2cyclictest0-21swapper/119:15:111
266729950,1cyclictest0-21swapper/123:00:131
266729950,1cyclictest0-21swapper/121:50:141
266729950,0cyclictest0-21swapper/100:20:131
266669954,1cyclictest707-21snmpd23:30:010
266669954,1cyclictest707-21snmpd19:57:440
266669953,1cyclictest5674-21dump-pmu-power00:05:000
266669950,4cyclictest2827-21/usr/sbin/munin20:35:160
266669950,4cyclictest23368-21/usr/sbin/munin22:25:170
266669950,4cyclictest23368-21/usr/sbin/munin22:25:170
266669950,4cyclictest0-21swapper/023:55:110
266669950,1cyclictest8949-21grep23:00:200
266669950,0cyclictest0-21swapper/023:25:200
266859943,1cyclictest6495-21sensors22:55:213
266859943,1cyclictest35-21ksoftirqd/300:20:133
266859942,1cyclictest5104-21cat19:30:153
266859942,1cyclictest0-21swapper/320:15:123
266859942,0cyclictest12179-21apt-get23:10:123
266859941,2cyclictest5911-21apt-get00:05:113
266859941,0cyclictest6609-21apt-get21:50:143
266729944,0cyclictest0-21swapper/120:50:281
266729943,1cyclictest0-21swapper/120:10:161
266729942,1cyclictest0-21swapper/121:05:021
266729941,1cyclictest0-21swapper/123:40:131
266729941,1cyclictest0-21swapper/122:35:101
266729940,4cyclictest0-21swapper/121:10:031
266729940,3cyclictest0-21swapper/123:05:141
266729940,3cyclictest0-21swapper/122:35:001
266729940,3cyclictest0-21swapper/122:10:131
266729940,3cyclictest0-21swapper/119:55:161
266729940,1cyclictest0-21swapper/122:20:241
266729940,1cyclictest0-21swapper/121:40:181
266729940,1cyclictest0-21swapper/100:10:141
266729940,0cyclictest0-21swapper/119:45:101
266729931,1cyclictest0-21swapper/100:25:121
266729930,3cyclictest0-21swapper/119:10:131
266729930,2cyclictest0-21swapper/122:15:111
266729930,2cyclictest0-21swapper/120:00:131
266729930,2cyclictest0-21swapper/100:35:191
266729930,1cyclictest0-21swapper/123:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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