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2026-09-08 - 07:23
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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 all highest latencies:
System rack1slot1.osadl.org (updated Tue Sep 08, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310022214150,21sleep00-21swapper/019:08:000
311002208151,43sleep10-21swapper/119:09:181
309052207152,43sleep20-21swapper/219:06:452
309362203147,43sleep30-21swapper/319:07:113
237052670,0sleep10-21swapper/123:25:211
305462190,0sleep10-21swapper/122:04:511
31274991716,1cyclictest28-21ksoftirqd/219:15:002
31274991413,1cyclictest28-21ksoftirqd/222:50:232
31274991311,1cyclictest28-21ksoftirqd/220:05:002
3128499129,1cyclictest35-21ksoftirqd/322:00:013
31274991212,0cyclictest28-21ksoftirqd/200:05:222
31274991211,1cyclictest28-21ksoftirqd/221:40:002
31274991211,1cyclictest28-21ksoftirqd/219:55:182
31274991211,1cyclictest28-21ksoftirqd/219:30:162
31274991210,1cyclictest28-21ksoftirqd/223:25:002
31274991210,1cyclictest28-21ksoftirqd/200:30:002
31253991211,1cyclictest9-21ksoftirqd/023:05:000
3128499119,1cyclictest35-21ksoftirqd/322:45:003
31284991110,1cyclictest35-21ksoftirqd/300:05:013
3127499119,1cyclictest28-21ksoftirqd/223:30:142
3127499119,1cyclictest28-21ksoftirqd/222:40:212
3127499119,1cyclictest28-21ksoftirqd/222:35:202
3127499119,1cyclictest28-21ksoftirqd/221:15:002
3127499118,2cyclictest28-21ksoftirqd/223:51:222
31274991111,0cyclictest61650irq/122-eno122:14:292
31274991110,1cyclictest28-21ksoftirqd/223:25:122
31274991110,1cyclictest28-21ksoftirqd/223:15:132
31274991110,1cyclictest28-21ksoftirqd/221:26:032
31274991110,1cyclictest28-21ksoftirqd/220:05:202
31274991110,1cyclictest28-21ksoftirqd/219:15:212
31274991110,1cyclictest28-21ksoftirqd/200:30:142
3127499110,10cyclictest28-21ksoftirqd/221:57:282
3128499109,1cyclictest35-21ksoftirqd/321:20:013
3128499109,1cyclictest35-21ksoftirqd/320:20:003
3127499109,1cyclictest28-21ksoftirqd/222:30:092
3127499109,1cyclictest28-21ksoftirqd/222:15:122
3127499109,1cyclictest28-21ksoftirqd/221:50:122
3127499109,1cyclictest28-21ksoftirqd/221:45:122
3127499109,1cyclictest28-21ksoftirqd/221:15:122
3127499109,1cyclictest28-21ksoftirqd/200:00:112
3127499109,1cyclictest28-21ksoftirqd/200:00:112
3127499108,1cyclictest28-21ksoftirqd/223:45:182
3127499108,1cyclictest28-21ksoftirqd/223:41:182
3127499108,1cyclictest28-21ksoftirqd/222:10:002
3127499108,1cyclictest28-21ksoftirqd/221:40:152
3127499108,1cyclictest28-21ksoftirqd/221:30:182
3127499108,1cyclictest28-21ksoftirqd/221:10:002
3127499108,1cyclictest28-21ksoftirqd/220:30:002
3127499108,1cyclictest28-21ksoftirqd/219:55:002
3127499108,1cyclictest28-21ksoftirqd/219:40:002
3127499107,1cyclictest28-21ksoftirqd/200:15:002
31274991010,0cyclictest28-21ksoftirqd/200:20:182
3126599100,9cyclictest0-21swapper/123:35:261
3125399109,1cyclictest9-21ksoftirqd/023:40:120
3125399109,1cyclictest9-21ksoftirqd/021:45:200
3125399108,1cyclictest9-21ksoftirqd/023:15:000
31253991010,0cyclictest9-21ksoftirqd/000:20:140
3125399101,8cyclictest9-21ksoftirqd/019:45:150
263552100,1sleep026359-21ssh22:45:120
312849998,1cyclictest35-21ksoftirqd/321:30:003
312749999,0cyclictest28-21ksoftirqd/223:59:552
312749999,0cyclictest28-21ksoftirqd/223:36:222
312749999,0cyclictest28-21ksoftirqd/222:55:222
312749999,0cyclictest28-21ksoftirqd/222:29:132
312749999,0cyclictest28-21ksoftirqd/222:00:122
312749999,0cyclictest28-21ksoftirqd/221:20:192
312749998,1cyclictest28-21ksoftirqd/223:10:192
312749998,1cyclictest28-21ksoftirqd/222:20:112
312749998,1cyclictest28-21ksoftirqd/220:55:002
312749997,1cyclictest28-21ksoftirqd/223:05:142
312749997,1cyclictest28-21ksoftirqd/223:00:202
312749997,1cyclictest28-21ksoftirqd/222:45:182
312749997,1cyclictest28-21ksoftirqd/200:40:002
312749997,1cyclictest28-21ksoftirqd/200:15:142
312539998,1cyclictest9-21ksoftirqd/023:20:130
312539998,1cyclictest9-21ksoftirqd/021:30:180
312539998,1cyclictest9-21ksoftirqd/021:15:210
312539998,1cyclictest9-21ksoftirqd/021:00:000
312539998,1cyclictest9-21ksoftirqd/020:15:150
312539997,1cyclictest9-21ksoftirqd/023:40:000
312539990,4cyclictest15679-21perf22:30:000
312849988,0cyclictest35-21ksoftirqd/320:45:003
312849988,0cyclictest35-21ksoftirqd/300:10:133
312849987,1cyclictest35-21ksoftirqd/323:05:003
312849987,1cyclictest35-21ksoftirqd/319:10:123
312849986,1cyclictest11301-21snmpd21:05:163
312849986,1cyclictest11301-21snmpd19:21:123
312849985,1cyclictest30772-21cat22:50:203
312849984,3cyclictest2064-21/usr/sbin/munin19:15:143
312849984,2cyclictest240-21systemd-journal21:05:003
312849982,4cyclictest12338-21apt-get20:45:113
312849981,4cyclictest2781-21/usr/sbin/munin21:25:173
312849981,4cyclictest23899-21diskmemload23:05:173
312849981,1cyclictest8935-21apt-get22:20:113
312849980,3cyclictest14100-21aten2.4-expect00:00:123
312749988,0cyclictest28-21ksoftirqd/220:40:122
312749987,1cyclictest28-21ksoftirqd/219:40:162
312749986,1cyclictest31278-21cat20:15:162
312749986,1cyclictest28-21ksoftirqd/221:05:002
312749986,1cyclictest28-21ksoftirqd/220:55:122
312749986,1cyclictest28-21ksoftirqd/219:30:002
312749981,0cyclictest0-21swapper/219:45:192
312659981,3cyclictest0-21swapper/122:35:191
312659980,4cyclictest0-21swapper/120:15:131
312539988,0cyclictest9-21ksoftirqd/000:00:210
312539988,0cyclictest9-21ksoftirqd/000:00:210
312539987,1cyclictest9-21ksoftirqd/023:55:110
312539987,1cyclictest9-21ksoftirqd/022:10:170
312539987,1cyclictest9-21ksoftirqd/020:40:120
312539987,1cyclictest9-21ksoftirqd/020:00:140
312539987,1cyclictest9-21ksoftirqd/019:10:120
312539986,1cyclictest9-21ksoftirqd/022:05:000
312539986,1cyclictest9-21ksoftirqd/020:15:000
312539986,1cyclictest9-21ksoftirqd/000:30:160
312539986,1cyclictest4082-21ssh22:59:580
312539986,1cyclictest3294-21ssh21:25:130
312539984,3cyclictest9-21ksoftirqd/021:11:510
312539982,5cyclictest4243-21perf19:20:010
312539981,6cyclictest9880-21ssh21:35:010
312539981,6cyclictest22964-21hostname22:40:120
312539981,6cyclictest1170-21munin-node19:36:350
312539980,6cyclictest0-21swapper/023:45:150
312539980,1cyclictest13394-21ssh21:40:040
312539980,1cyclictest1144-21ssh00:25:350
312849977,0cyclictest35-21ksoftirqd/322:40:003
312849977,0cyclictest29672-21sensors00:20:203
312849976,1cyclictest7215-21cat20:35:003
312849975,1cyclictest35-21ksoftirqd/321:20:033
312849975,1cyclictest32630-21cat00:25:163
312849975,1cyclictest11301-21snmpd23:56:453
312849975,1cyclictest11301-21snmpd23:40:573
312849975,1cyclictest11301-21snmpd23:30:063
312849975,1cyclictest11301-21snmpd21:43:293
312849975,1cyclictest11301-21snmpd19:32:463
312849973,2cyclictest23899-21diskmemload21:50:183
312849972,1cyclictest30883-21/usr/sbin/munin22:05:143
312849972,0cyclictest23899-21diskmemload00:09:223
312849971,2cyclictest0-21swapper/323:11:443
312849970,5cyclictest0-21swapper/321:49:483
312849970,3cyclictest0-21swapper/300:30:343
312849970,2cyclictest0-21swapper/323:25:123
312849970,2cyclictest0-21swapper/323:17:083
312749977,0cyclictest29424-21sensors20:10:192
312749977,0cyclictest28-21ksoftirqd/220:20:132
312749976,1cyclictest28-21ksoftirqd/220:35:142
312749976,1cyclictest28-21ksoftirqd/219:20:122
312749976,1cyclictest10556-21kworker/2:220:31:322
312749973,4cyclictest28-21ksoftirqd/220:45:132
312659977,0cyclictest0-21swapper/119:46:401
312659970,7cyclictest0-21swapper/123:20:181
312659970,6cyclictest0-21swapper/123:00:161
312659970,6cyclictest0-21swapper/120:05:011
312659970,6cyclictest0-21swapper/119:32:251
312659970,4cyclictest0-21swapper/100:10:161
312659970,1cyclictest0-21swapper/121:51:111
312659970,1cyclictest0-21swapper/120:20:471
312539977,0cyclictest9-21ksoftirqd/022:05:180
312539977,0cyclictest9-21ksoftirqd/021:55:190
312539977,0cyclictest9-21ksoftirqd/021:00:160
312539976,1cyclictest9-21ksoftirqd/022:20:130
312539976,1cyclictest9-21ksoftirqd/020:50:120
312539976,1cyclictest9-21ksoftirqd/019:50:160
312539976,1cyclictest11301-21snmpd20:45:120
312539976,1cyclictest11301-21snmpd19:23:240
312539976,1cyclictest11301-21snmpd00:07:430
312539975,1cyclictest9-21ksoftirqd/020:30:000
312539972,4cyclictest1170-21munin-node23:25:120
312539972,1cyclictest7404-21/usr/sbin/munin20:35:150
312539970,6cyclictest27833-21ssh00:19:400
312539970,6cyclictest26458-21irqstats23:30:150
312539970,6cyclictest21980-21wc19:55:170
312539970,6cyclictest19366-21ssh22:35:050
312539970,6cyclictest17816-21ssh22:30:450
312539970,6cyclictest15654-21ssh23:15:150
312539970,6cyclictest14391-21diskstats19:40:120
312539970,6cyclictest0-21swapper/022:50:180
312539970,6cyclictest0-21swapper/000:35:220
312539970,6cyclictest0-21swapper/000:10:180
312539970,1cyclictest561-21nscd23:05:130
312539970,1cyclictest22281-21df_inode21:05:160
312539970,1cyclictest10115-21ssh23:54:240
312539970,1cyclictest0-21swapper/021:20:150
312539970,1cyclictest0-21swapper/020:32:500
312539970,0cyclictest0-21swapper/021:50:190
29922270,0sleep10-21swapper/122:50:171
312849965,1cyclictest35-21ksoftirqd/320:30:003
312849965,1cyclictest29359-21ssh22:00:563
312849965,1cyclictest27159-21ssh00:17:303
312849965,1cyclictest21675-21ssh23:24:423
312849965,1cyclictest11301-21snmpd22:55:463
312849965,1cyclictest11301-21snmpd22:33:163
312849965,1cyclictest11301-21snmpd19:38:103
312849964,1cyclictest11301-21snmpd21:13:373
312849964,1cyclictest11301-21snmpd20:56:063
312849964,1cyclictest11301-21snmpd19:57:493
312849964,1cyclictest11301-21snmpd19:50:013
312849962,1cyclictest29316-21cpuspeed_turbos23:35:123
312849960,3cyclictest561-21nscd22:25:133
312849960,3cyclictest0-21swapper/321:35:383
312849960,3cyclictest0-21swapper/300:35:163
312849960,2cyclictest0-21swapper/323:45:583
312849960,2cyclictest0-21swapper/322:19:143
312849960,1cyclictest0-21swapper/322:45:103
312659961,3cyclictest0-21swapper/119:20:011
312659960,6cyclictest0-21swapper/123:51:011
312659960,6cyclictest0-21swapper/121:49:381
312659960,6cyclictest0-21swapper/121:34:311
312659960,6cyclictest0-21swapper/121:13:131
312659960,6cyclictest0-21swapper/121:08:041
312659960,6cyclictest0-21swapper/119:37:341
312659960,6cyclictest0-21swapper/100:28:471
312659960,6cyclictest0-21swapper/100:21:161
312659960,5cyclictest0-21swapper/122:30:031
312659960,5cyclictest0-21swapper/122:17:211
312659960,4cyclictest0-21swapper/123:32:231
312659960,3cyclictest0-21swapper/123:57:211
312659960,3cyclictest0-21swapper/123:40:141
312659960,3cyclictest0-21swapper/123:19:131
312659960,3cyclictest0-21swapper/122:10:221
312659960,3cyclictest0-21swapper/121:27:051
312659960,1cyclictest0-21swapper/122:46:431
312659960,1cyclictest0-21swapper/121:20:181
312659960,1cyclictest0-21swapper/119:40:151
312659960,0cyclictest0-21swapper/122:41:371
312659960,0cyclictest0-21swapper/100:30:211
312539965,1cyclictest9-21ksoftirqd/020:05:160
312539965,1cyclictest10978-21sshd19:31:220
312539964,1cyclictest2470-21perf20:25:000
312539960,0cyclictest0-21swapper/022:15:130
312849954,1cyclictest11301-21snmpd20:24:503
312849953,1cyclictest13875-21taskset19:40:073
312849952,1cyclictest0-21swapper/320:35:203
312849952,0cyclictest23899-21diskmemload22:11:463
312849950,3cyclictest0-21swapper/323:50:023
312849950,3cyclictest0-21swapper/319:25:113
312849950,0cyclictest0-21swapper/320:05:183
312659955,0cyclictest0-21swapper/122:21:041
312659955,0cyclictest0-21swapper/122:07:321
312659955,0cyclictest0-21swapper/100:05:571
312659951,2cyclictest0-21swapper/123:45:201
312659951,2cyclictest0-21swapper/120:35:131
312659950,5cyclictest0-21swapper/120:03:491
312659950,5cyclictest0-21swapper/119:14:451
312659950,5cyclictest0-21swapper/100:38:221
312659950,4cyclictest0-21swapper/120:50:131
312659950,4cyclictest0-21swapper/120:45:151
312659950,3cyclictest0-21swapper/122:25:111
312659950,3cyclictest0-21swapper/121:36:241
312659950,3cyclictest0-21swapper/121:16:291
312659950,3cyclictest0-21swapper/100:01:071
312659950,3cyclictest0-21swapper/100:01:071
312659950,2cyclictest0-21swapper/121:43:051
312659950,2cyclictest0-21swapper/120:10:111
312659950,1cyclictest0-21swapper/121:57:371
312659950,1cyclictest0-21swapper/119:50:151
312659950,1cyclictest0-21swapper/119:25:111
312659950,0cyclictest0-21swapper/122:56:041
312659950,0cyclictest0-21swapper/100:19:451
312539955,0cyclictest0-21swapper/019:25:110
312849942,1cyclictest24795-21/usr/sbin/munin20:00:193
312849942,1cyclictest16239-21apt19:45:123
312849942,1cyclictest14933-21tr20:50:123
312849941,1cyclictest0-21swapper/320:10:133
312659944,0cyclictest0-21swapper/121:01:251
312659944,0cyclictest0-21swapper/120:33:501
312659943,0cyclictest0-21swapper/119:20:101
312659942,2cyclictest0-21swapper/123:10:071
312659942,1cyclictest10383-21chrt23:07:071
312659941,3cyclictest0-21swapper/120:58:401
312659941,3cyclictest0-21swapper/120:25:051
312659940,3cyclictest0-21swapper/119:55:221
312659940,0cyclictest0-21swapper/120:40:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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