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2026-09-20 - 14:34
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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 Sun Sep 20, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2641324000,8sleep20-21swapper/207:05:272
268462214150,21sleep00-21swapper/007:08:160
268742204148,21sleep10-21swapper/107:08:381
267522202162,26sleep30-21swapper/307:07:033
159622620,0sleep30-21swapper/307:50:203
34832600,0sleep30-21swapper/311:50:143
242122190,0sleep10-21swapper/108:10:001
27062991614,1cyclictest28-21ksoftirqd/208:10:002
64052150,0sleep00-21swapper/008:40:160
27068991413,1cyclictest35-21ksoftirqd/309:20:143
27062991413,1cyclictest28-21ksoftirqd/212:04:122
27062991412,1cyclictest28-21ksoftirqd/208:35:002
2705799140,13cyclictest0-21swapper/109:20:181
2706299134,8cyclictest14831-21kworker/2:109:48:342
27062991313,0cyclictest28-21ksoftirqd/211:53:042
27062991312,1cyclictest28-21ksoftirqd/211:45:142
27062991312,1cyclictest28-21ksoftirqd/211:40:192
27062991312,1cyclictest28-21ksoftirqd/210:35:162
27062991311,1cyclictest28-21ksoftirqd/209:40:192
27062991212,0cyclictest28-21ksoftirqd/209:11:492
27062991211,1cyclictest28-21ksoftirqd/212:32:592
27062991211,1cyclictest28-21ksoftirqd/212:25:182
27062991211,1cyclictest28-21ksoftirqd/212:10:152
27062991211,1cyclictest28-21ksoftirqd/210:20:182
27062991211,1cyclictest28-21ksoftirqd/209:55:142
27062991210,1cyclictest28-21ksoftirqd/210:45:132
27062991210,1cyclictest28-21ksoftirqd/207:20:002
27053991210,1cyclictest9-21ksoftirqd/008:30:010
27068991111,0cyclictest35-21ksoftirqd/311:30:013
2706299119,1cyclictest28-21ksoftirqd/211:30:202
2706299119,1cyclictest28-21ksoftirqd/211:00:182
2706299119,1cyclictest28-21ksoftirqd/210:55:132
2706299119,1cyclictest28-21ksoftirqd/207:25:002
2706299119,1cyclictest26640-21apt10:05:102
27062991111,0cyclictest28-21ksoftirqd/210:12:352
27062991110,1cyclictest28-21ksoftirqd/208:20:012
27062991110,1cyclictest28-21ksoftirqd/208:10:212
2705399119,1cyclictest9-21ksoftirqd/009:05:010
2705399117,4cyclictest9-21ksoftirqd/011:20:000
2706899109,1cyclictest35-21ksoftirqd/310:50:003
2706899109,1cyclictest35-21ksoftirqd/309:20:003
2706899109,1cyclictest35-21ksoftirqd/309:15:003
2706899109,1cyclictest35-21ksoftirqd/309:00:003
2706899108,1cyclictest35-21ksoftirqd/308:15:003
2706299109,1cyclictest28-21ksoftirqd/212:20:202
2706299109,1cyclictest28-21ksoftirqd/212:05:552
2706299109,1cyclictest28-21ksoftirqd/211:15:112
2706299109,1cyclictest28-21ksoftirqd/207:55:152
2706299108,1cyclictest61650irq/122-eno109:25:172
2706299108,1cyclictest28-21ksoftirqd/212:35:472
2706299108,1cyclictest28-21ksoftirqd/210:50:152
2706299108,1cyclictest28-21ksoftirqd/208:45:142
27062991010,0cyclictest28-21ksoftirqd/211:14:252
2705399109,1cyclictest9-21ksoftirqd/011:05:000
2705399108,1cyclictest9-21ksoftirqd/007:54:590
27053991010,0cyclictest9-21ksoftirqd/011:10:000
2705399100,7cyclictest29421-21munin-node08:16:060
32286290,0sleep30-21swapper/310:58:523
270689999,0cyclictest35-21ksoftirqd/312:35:133
270689998,1cyclictest35-21ksoftirqd/312:20:143
270689998,1cyclictest35-21ksoftirqd/308:45:003
270689990,5cyclictest0-21swapper/311:55:113
270629999,0cyclictest28-21ksoftirqd/210:00:012
270629998,1cyclictest28-21ksoftirqd/211:39:232
270629998,1cyclictest28-21ksoftirqd/211:29:462
270629998,1cyclictest28-21ksoftirqd/211:05:152
270629998,1cyclictest28-21ksoftirqd/210:25:122
270629998,1cyclictest28-21ksoftirqd/209:54:242
270629998,1cyclictest28-21ksoftirqd/208:00:162
270629998,1cyclictest28-21ksoftirqd/207:35:012
270629998,1cyclictest28-21ksoftirqd/207:25:122
270629997,1cyclictest28-21ksoftirqd/211:22:532
270629997,1cyclictest28-21ksoftirqd/210:19:592
270629997,1cyclictest28-21ksoftirqd/209:20:392
270629997,1cyclictest28-21ksoftirqd/209:10:002
270629997,1cyclictest166361http07:55:002
270629993,4cyclictest28-21ksoftirqd/212:15:122
270579990,2cyclictest0-21swapper/108:35:121
270539998,1cyclictest9-21ksoftirqd/008:15:000
270539990,5cyclictest3265-21/usr/sbin/munin11:50:150
270689988,0cyclictest11301-21snmpd07:46:443
270689987,1cyclictest35-21ksoftirqd/311:40:003
270689987,1cyclictest35-21ksoftirqd/310:40:003
270689987,1cyclictest35-21ksoftirqd/310:15:013
270689987,1cyclictest35-21ksoftirqd/309:10:013
270689987,1cyclictest35-21ksoftirqd/308:15:143
270689986,1cyclictest29916-21cat08:20:163
270689986,1cyclictest29916-21cat08:20:153
270689986,1cyclictest11301-21snmpd11:10:563
270689986,1cyclictest11301-21snmpd10:30:593
270689986,1cyclictest11301-21snmpd09:31:113
270689986,1cyclictest11301-21snmpd07:14:443
270689986,1cyclictest0-21swapper/311:40:153
270629988,0cyclictest28-21ksoftirqd/207:40:162
270629987,1cyclictest28-21ksoftirqd/211:55:112
270629987,1cyclictest28-21ksoftirqd/210:40:412
270629987,1cyclictest28-21ksoftirqd/210:30:182
270629987,1cyclictest28-21ksoftirqd/209:36:132
270629987,1cyclictest28-21ksoftirqd/209:30:072
270629987,1cyclictest28-21ksoftirqd/209:18:242
270629987,1cyclictest28-21ksoftirqd/208:20:132
270629987,1cyclictest28-21ksoftirqd/208:20:122
270629987,1cyclictest28-21ksoftirqd/207:10:182
270629986,1cyclictest28-21ksoftirqd/207:35:172
270629986,1cyclictest11301-21snmpd07:49:032
270629981,3cyclictest13124-21apt-get08:55:132
270579981,1cyclictest0-21swapper/110:18:041
270579980,4cyclictest0-21swapper/108:50:141
270539987,1cyclictest9-21ksoftirqd/012:10:010
270539986,1cyclictest7540-21cut11:55:150
270539986,1cyclictest12358-21timerwakeupswit08:50:210
270539986,1cyclictest11301-21snmpd10:05:030
270539986,1cyclictest11301-21snmpd07:35:500
270539983,3cyclictest19989-21diskmemload10:20:480
270539981,6cyclictest31854-21ssh09:25:170
270539980,7cyclictest23571-21chrt08:06:230
270539980,7cyclictest23192-21ssh12:17:180
270539980,7cyclictest21889-21ssh09:56:470
270539980,5cyclictest29191-21sed09:20:210
270539980,4cyclictest31204-21perf08:25:000
270539980,4cyclictest31204-21perf08:25:000
270539980,1cyclictest20614-21sshd10:40:240
270689976,1cyclictest35-21ksoftirqd/312:05:003
270689976,1cyclictest35-21ksoftirqd/311:20:123
270689976,1cyclictest35-21ksoftirqd/310:10:003
270689976,1cyclictest35-21ksoftirqd/308:50:013
270689976,1cyclictest35-21ksoftirqd/307:25:013
270689976,1cyclictest11301-21snmpd10:47:183
270689976,1cyclictest11301-21snmpd09:52:553
270689975,1cyclictest6964-21ntpq09:35:213
270689975,1cyclictest32199-21ntpq09:25:193
270689975,1cyclictest30473-21ssh12:28:203
270689975,1cyclictest11301-21snmpd10:13:333
270689975,1cyclictest11301-21snmpd07:30:353
270689975,1cyclictest11301-21snmpd07:25:083
270689973,2cyclictest30095-21nscd10:43:423
270689972,3cyclictest23169-21apt-get10:00:123
270689972,2cyclictest240-21systemd-journal12:10:013
270689972,2cyclictest19989-21diskmemload09:45:113
270689970,4cyclictest32220-21/usr/sbin/munin11:45:163
270689970,1cyclictest0-21swapper/308:35:123
270629977,0cyclictest28-21ksoftirqd/209:00:162
270629976,1cyclictest14831-21kworker/2:108:40:422
270629976,0cyclictest28-21ksoftirqd/208:50:122
270629970,6cyclictest0-21swapper/208:29:072
270629970,3cyclictest3683-21apt-get08:35:112
270579970,6cyclictest0-21swapper/109:59:181
270579970,5cyclictest0-21swapper/112:13:401
270579970,4cyclictest0-21swapper/112:00:201
270579970,1cyclictest0-21swapper/112:34:051
270579970,1cyclictest0-21swapper/107:10:131
270539976,1cyclictest9-21ksoftirqd/007:30:000
270539976,1cyclictest7692-1kworker/u9:010:01:000
270539976,1cyclictest24335-21telnet12:20:120
270539976,1cyclictest15733-21ssh12:06:170
270539976,1cyclictest11301-21snmpd11:10:030
270539976,1cyclictest11301-21snmpd07:45:060
270539975,1cyclictest9-21ksoftirqd/009:30:140
270539975,1cyclictest9-21ksoftirqd/009:10:120
270539975,1cyclictest18560-21perl09:05:140
270539975,1cyclictest11301-21snmpd10:45:050
270539975,1cyclictest11301-21snmpd07:12:560
270539972,4cyclictest8386-21/usr/sbin/munin10:25:160
270539972,1cyclictest6970-21ssh09:35:200
270539971,6cyclictest20830-21ssh11:28:280
270539971,4cyclictest32738-21ssh11:45:140
270539970,6cyclictest786-21ssh12:30:560
270539970,6cyclictest7343-1kworker/u9:210:31:470
270539970,6cyclictest29960-21df10:55:150
270539970,6cyclictest28979-21ssh11:40:130
270539970,6cyclictest19989-21diskmemload11:21:270
270539970,6cyclictest1920-21diskstats10:15:150
270539970,6cyclictest13797-21fschecks_time08:55:150
270539970,6cyclictest1068-21hddtemp_smartct07:20:140
270539970,6cyclictest0-21swapper/012:01:250
270539970,6cyclictest0-21swapper/011:30:190
270539970,6cyclictest0-21swapper/010:50:120
270539970,6cyclictest0-21swapper/010:10:320
270539970,6cyclictest0-21swapper/007:15:180
270539970,4cyclictest7160-21sed07:35:010
270539970,4cyclictest19989-21diskmemload09:50:120
270539970,1cyclictest25702-21perl11:35:150
270539970,1cyclictest0-21swapper/009:15:200
270539970,0cyclictest0-21swapper/010:35:170
30860260,0sleep10-21swapper/112:29:391
270689966,0cyclictest35-21ksoftirqd/311:05:203
270689965,1cyclictest35-21ksoftirqd/312:15:133
270689965,1cyclictest35-21ksoftirqd/307:55:003
270689965,1cyclictest35-21ksoftirqd/307:35:143
270689965,1cyclictest23909-21ssh11:32:103
270689965,1cyclictest12015-21ssh09:43:343
270689965,1cyclictest11301-21snmpd08:00:243
270689965,0cyclictest13650irq/124-ahci[0010:26:243
270689964,1cyclictest35-21ksoftirqd/307:15:143
270689964,1cyclictest11301-21snmpd10:24:343
270689964,1cyclictest11301-21snmpd08:26:343
270689964,0cyclictest19989-21diskmemload09:59:083
270689961,2cyclictest1960-21sensors_temp11:00:213
270689960,4cyclictest0-21swapper/312:05:353
270689960,4cyclictest0-21swapper/311:16:053
270689960,1cyclictest2035-21dump-pmu-power12:34:593
270579965,1cyclictest0-21swapper/111:51:491
270579965,1cyclictest0-21swapper/108:23:591
270579965,1cyclictest0-21swapper/108:23:581
270579960,6cyclictest0-21swapper/111:43:271
270579960,6cyclictest0-21swapper/111:07:121
270579960,6cyclictest0-21swapper/110:53:231
270579960,6cyclictest0-21swapper/110:28:521
270579960,6cyclictest0-21swapper/109:26:561
270579960,6cyclictest0-21swapper/109:12:381
270579960,6cyclictest0-21swapper/107:35:301
270579960,6cyclictest0-21swapper/107:22:481
270579960,5cyclictest0-21swapper/108:47:381
270579960,5cyclictest0-21swapper/108:40:171
270579960,5cyclictest0-21swapper/107:55:211
270579960,4cyclictest0-21swapper/110:37:171
270579960,4cyclictest0-21swapper/109:17:441
270579960,3cyclictest0-21swapper/111:00:211
270579960,2cyclictest0-21swapper/112:21:051
270579960,1cyclictest0-21swapper/112:07:251
270579960,1cyclictest0-21swapper/111:25:201
270579960,1cyclictest0-21swapper/111:17:271
270579960,1cyclictest0-21swapper/110:08:221
270579960,1cyclictest0-21swapper/109:48:361
270579960,0cyclictest0-21swapper/111:14:341
270539965,1cyclictest20554-21ntp_states08:00:190
270539963,2cyclictest9776-21ssh09:40:140
270539960,6cyclictest0-21swapper/009:45:140
270539960,5cyclictest9580-21ntp_states08:45:180
270539960,4cyclictest0-21swapper/012:35:120
270539960,4cyclictest0-21swapper/007:55:140
270539960,0cyclictest19989-21diskmemload12:26:020
270539960,0cyclictest0-21swapper/008:35:170
270689954,1cyclictest35-21ksoftirqd/308:50:143
270689954,1cyclictest35-21ksoftirqd/308:35:013
270689954,1cyclictest35-21ksoftirqd/307:40:123
270689953,1cyclictest35-21ksoftirqd/309:00:143
270689951,2cyclictest22932-21/usr/sbin/munin08:05:193
270579955,0cyclictest0-21swapper/109:30:221
270579952,2cyclictest0-21swapper/107:40:101
270579951,4cyclictest0-21swapper/108:05:271
270579951,1cyclictest0-21swapper/110:55:011
270579951,1cyclictest0-21swapper/110:00:141
270579950,5cyclictest0-21swapper/111:21:271
270579950,5cyclictest0-21swapper/109:52:331
270579950,5cyclictest0-21swapper/109:35:121
270579950,5cyclictest0-21swapper/107:19:491
270579950,4cyclictest0-21swapper/110:30:491
270579950,3cyclictest0-21swapper/112:37:041
270579950,3cyclictest0-21swapper/110:40:181
270579950,3cyclictest0-21swapper/109:42:361
270579950,3cyclictest0-21swapper/108:30:151
270579950,2cyclictest0-21swapper/111:56:281
270579950,1cyclictest0-21swapper/110:20:171
270579950,1cyclictest0-21swapper/110:10:131
270579950,0cyclictest0-21swapper/112:15:041
270579950,0cyclictest0-21swapper/111:35:381
270579950,0cyclictest0-21swapper/111:32:101
270539954,1cyclictest9-21ksoftirqd/008:30:150
270539951,1cyclictest0-21swapper/007:40:190
270579944,0cyclictest0-21swapper/109:05:081
270579944,0cyclictest0-21swapper/107:52:581
270579941,2cyclictest0-21swapper/107:25:181
270579940,3cyclictest0-21swapper/109:00:241
270579940,3cyclictest0-21swapper/108:25:151
270579940,2cyclictest0-21swapper/111:45:481
270579940,1cyclictest0-21swapper/110:49:281
270579940,1cyclictest0-21swapper/108:55:161
270579940,1cyclictest0-21swapper/107:45:191
270579940,0cyclictest0-21swapper/108:15:201
270579940,0cyclictest0-21swapper/107:32:271
270579930,3cyclictest19389-21taskset08:00:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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