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2026-04-27 - 17:34
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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 Mon Apr 27, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116812234158,59sleep20-21swapper/207:06:092
116332212160,25sleep30-21swapper/307:05:343
119052210160,24sleep00-21swapper/007:09:050
118492198161,24sleep10-21swapper/107:08:211
241702560,0sleep024132-21perf11:00:000
267522190,0sleep00-21swapper/010:20:120
12067991413,1cyclictest28-21ksoftirqd/209:36:442
12067991311,1cyclictest28-21ksoftirqd/212:25:002
12067991311,1cyclictest28-21ksoftirqd/211:10:002
12067991310,1cyclictest28-21ksoftirqd/209:55:002
1206799130,12cyclictest0-21swapper/209:10:202
1207599120,9cyclictest240-21systemd-journal10:03:073
12067991211,1cyclictest28-21ksoftirqd/211:48:492
12067991210,1cyclictest24097-21sh11:00:012
1206799119,1cyclictest28-21ksoftirqd/209:30:192
1206799119,1cyclictest28-21ksoftirqd/209:05:002
1206799119,1cyclictest28-21ksoftirqd/207:35:002
12067991111,0cyclictest28-21ksoftirqd/212:27:192
12067991110,1cyclictest28-21ksoftirqd/211:37:592
1205099113,4cyclictest4907-21diskmemload09:15:000
1205099113,4cyclictest4852-21cat12:00:000
290482100,0sleep20-21swapper/210:22:062
1206799109,1cyclictest28-21ksoftirqd/212:35:112
1206799109,1cyclictest28-21ksoftirqd/211:25:192
1206799109,1cyclictest28-21ksoftirqd/211:15:122
1206799109,1cyclictest28-21ksoftirqd/210:15:132
1206799109,1cyclictest28-21ksoftirqd/209:45:122
1206799109,1cyclictest28-21ksoftirqd/208:05:012
1206799109,1cyclictest28-21ksoftirqd/207:50:162
1206799108,1cyclictest28-21ksoftirqd/212:30:122
1206799108,1cyclictest28-21ksoftirqd/212:00:002
1206799108,1cyclictest28-21ksoftirqd/210:10:122
1206799108,1cyclictest28-21ksoftirqd/209:55:182
1206799108,1cyclictest28-21ksoftirqd/207:50:002
1206799107,3cyclictest28-21ksoftirqd/211:10:182
115602100,0sleep30-21swapper/310:41:383
120759997,1cyclictest15897-21turbostat08:25:003
120759995,3cyclictest570-21nscd10:11:113
120759992,5cyclictest23213-21apt-get08:40:133
120759990,5cyclictest8632-21kworker/u8:210:20:373
120679999,0cyclictest28-21ksoftirqd/212:00:212
120679998,1cyclictest28-21ksoftirqd/212:15:112
120679998,1cyclictest28-21ksoftirqd/212:10:112
120679998,1cyclictest28-21ksoftirqd/210:40:182
120679998,1cyclictest28-21ksoftirqd/209:20:012
120679998,1cyclictest28-21ksoftirqd/207:35:182
120679997,1cyclictest28-21ksoftirqd/211:30:152
120679997,1cyclictest28-21ksoftirqd/210:45:192
120679997,1cyclictest28-21ksoftirqd/207:24:592
120509999,0cyclictest4907-21diskmemload12:07:070
120509990,1cyclictest240-21systemd-journal11:47:100
120509990,1cyclictest240-21systemd-journal09:19:360
120759987,1cyclictest35-21ksoftirqd/310:10:003
120759986,1cyclictest35-21ksoftirqd/309:20:003
120759985,2cyclictest31826-21apt-get07:50:113
120679988,0cyclictest28-21ksoftirqd/211:20:162
120679988,0cyclictest28-21ksoftirqd/210:00:172
120679987,1cyclictest28-21ksoftirqd/211:50:112
120679987,1cyclictest28-21ksoftirqd/210:40:002
120679987,1cyclictest28-21ksoftirqd/209:25:132
120679987,1cyclictest28-21ksoftirqd/208:40:222
120679987,1cyclictest28-21ksoftirqd/207:55:132
120679986,1cyclictest7766-21kworker/2:208:45:122
120679986,1cyclictest28-21ksoftirqd/212:05:132
120679981,6cyclictest16934-21unixbench-2d10:05:222
120509987,1cyclictest14954-21ssh10:45:330
120509986,1cyclictest9-21ksoftirqd/007:50:000
120509984,1cyclictest240-21systemd-journal09:40:000
120509980,7cyclictest561-21nscd10:05:130
120509980,1cyclictest6781-21ssh11:19:590
120509980,1cyclictest1569-21ssh11:11:000
120759976,1cyclictest35-21ksoftirqd/312:10:003
120759976,1cyclictest35-21ksoftirqd/309:55:003
120759976,1cyclictest23730-21cat10:15:153
120759975,1cyclictest35-21ksoftirqd/310:25:153
120759975,1cyclictest2224-21cat11:55:153
120759975,1cyclictest14584-21ssh12:10:473
120759974,1cyclictest35-21ksoftirqd/308:30:353
120759974,0cyclictest4907-21diskmemload12:20:503
120759972,3cyclictest0-21swapper/310:55:053
120759971,4cyclictest4907-21diskmemload11:04:403
120759971,3cyclictest1747-21ntpd08:25:193
120679977,0cyclictest0-21swapper/211:40:142
120679976,1cyclictest7766-21kworker/2:210:25:182
120679976,1cyclictest61650irq/122-eno110:55:282
120679976,1cyclictest61650irq/122-eno110:50:272
120679976,1cyclictest61650irq/122-eno109:40:112
120679976,1cyclictest28-21ksoftirqd/210:30:412
120679976,1cyclictest28-21ksoftirqd/209:20:062
120679976,1cyclictest28-21ksoftirqd/208:55:192
120679976,1cyclictest28-21ksoftirqd/208:53:412
120679976,1cyclictest28-21ksoftirqd/208:30:002
120679976,1cyclictest28-21ksoftirqd/207:45:002
120589970,6cyclictest0-21swapper/107:30:091
120509976,1cyclictest18574-21cat07:20:150
120509976,1cyclictest14817-1kworker/u9:009:28:300
120509975,1cyclictest9-21ksoftirqd/009:05:000
120509975,1cyclictest27954-21/usr/sbin/munin12:30:150
120509974,2cyclictest1753-21munin-node07:55:120
120509973,2cyclictest548-21systemd-logind07:15:010
120509972,2cyclictest10886-21apt-get11:25:120
120509971,6cyclictest24145-21ssh12:25:020
120509971,5cyclictest12623-21ssh12:10:100
120509970,6cyclictest5496-21ssh10:35:030
120509970,6cyclictest32662-21apt-key09:00:010
120509970,6cyclictest29113-21df_inode09:40:140
120509970,6cyclictest2237-21ssh12:38:330
120509970,6cyclictest20044-21/usr/sbin/munin07:25:130
120509970,6cyclictest19481-21ssh10:52:390
120509970,6cyclictest16408-21apt-get12:15:110
120509970,6cyclictest0-21swapper/010:25:210
120509970,6cyclictest0-21swapper/010:15:200
120509970,6cyclictest0-21swapper/009:45:200
120509970,4cyclictest4907-21diskmemload11:40:270
120509970,4cyclictest29249-21perf07:45:000
120509970,4cyclictest11495-21/usr/sbin/munin10:00:170
120509970,1cyclictest3678-21ssh10:30:410
120509970,1cyclictest32179-21ssh11:51:330
120509970,1cyclictest29994-21ssh11:05:230
120509970,1cyclictest23141-21ssh12:23:300
120509970,1cyclictest23103-21ssh09:31:220
120509970,1cyclictest15596-21kernelversion11:30:160
120509970,1cyclictest10338-21ssh11:24:190
120509970,1cyclictest0-21swapper/010:40:200
120509970,1cyclictest0-21swapper/010:12:250
120509970,1cyclictest0-21swapper/008:25:220
120509970,1cyclictest0-21swapper/008:05:100
27929260,0sleep10-21swapper/111:45:441
120759965,1cyclictest7052-21ssh09:10:503
120759965,1cyclictest5436-21ssh11:16:173
120759965,1cyclictest3775-21ssh10:30:563
120759965,1cyclictest35-21ksoftirqd/308:10:013
120759965,1cyclictest31941-21ssh11:50:523
120759965,1cyclictest28266-21ntpq07:40:173
120759965,1cyclictest2443-21ssh12:39:073
120759965,1cyclictest1974-21ssh09:46:013
120759965,1cyclictest18924-21ssh09:25:493
120759965,1cyclictest18830-21ntpq07:20:173
120759965,1cyclictest18771-21ssh10:50:413
120759965,1cyclictest15171-21ssh11:30:143
120759965,1cyclictest13298-21ssh11:27:043
120759964,1cyclictest9150-21ssh11:21:043
120759964,1cyclictest5001-21cat08:00:143
120759964,1cyclictest4907-21diskmemload11:05:423
120759964,1cyclictest4907-21diskmemload09:30:403
120759964,1cyclictest35-21ksoftirqd/309:00:113
120759964,1cyclictest23576-21sendmail_mailqu11:40:173
120759964,0cyclictest4907-21diskmemload12:00:083
120759964,0cyclictest4907-21diskmemload09:20:503
120759963,1cyclictest4907-21diskmemload12:30:133
120759963,1cyclictest35-21ksoftirqd/307:25:343
120759963,1cyclictest240-21systemd-journal08:18:053
120759961,3cyclictest4907-21diskmemload10:46:253
120759961,3cyclictest13223-21kworker/u8:211:46:283
120759960,4cyclictest0-21swapper/309:41:443
120759960,3cyclictest0-21swapper/309:56:483
120759960,3cyclictest0-21swapper/309:35:123
120759960,2cyclictest4907-21diskmemload11:39:013
120759960,1cyclictest240-21systemd-journal10:39:553
120759960,1cyclictest0-21swapper/308:45:143
120759960,0cyclictest0-21swapper/311:10:413
120679966,0cyclictest61650irq/122-eno109:05:142
120679966,0cyclictest61650irq/122-eno108:35:102
120679966,0cyclictest61650irq/122-eno107:25:132
120679966,0cyclictest28-21ksoftirqd/207:10:112
120679965,1cyclictest7766-21kworker/2:208:15:122
120679965,1cyclictest28-21ksoftirqd/207:15:012
120679964,1cyclictest61650irq/122-eno108:30:142
120679964,1cyclictest28-21ksoftirqd/208:20:132
120679964,1cyclictest28-21ksoftirqd/208:10:002
120679961,5cyclictest14418-21munin-node08:10:092
120589963,0cyclictest0-21swapper/108:35:191
120589961,3cyclictest0-21swapper/110:15:111
120589960,6cyclictest0-21swapper/110:26:181
120589960,6cyclictest0-21swapper/107:38:221
120589960,5cyclictest0-21swapper/108:05:141
120589960,5cyclictest0-21swapper/107:15:151
120589960,4cyclictest0-21swapper/111:10:011
120589960,4cyclictest0-21swapper/111:00:171
120589960,3cyclictest0-21swapper/111:32:091
120589960,3cyclictest0-21swapper/111:28:431
120589960,3cyclictest0-21swapper/110:40:201
120589960,3cyclictest0-21swapper/109:57:261
120589960,2cyclictest0-21swapper/109:10:121
120589960,1cyclictest0-21swapper/111:35:191
120589960,0cyclictest0-21swapper/111:53:171
120509965,1cyclictest28047-21telnet08:50:140
120509965,1cyclictest25896-21ls08:45:140
120509965,1cyclictest23265-21cat07:30:140
120509965,1cyclictest10155-1kworker/u9:109:20:080
120509964,1cyclictest24377-21ssh11:00:060
120509962,1cyclictest0-21swapper/008:30:120
120509960,6cyclictest0-21swapper/009:50:010
120509960,5cyclictest7683-21apt-get09:55:100
120509960,5cyclictest18428-21ssh11:35:110
120509960,0cyclictest4956-21sed09:10:010
120509960,0cyclictest0-21swapper/012:00:010
120509960,0cyclictest0-21swapper/008:37:330
120509960,0cyclictest0-21swapper/008:15:120
120509960,0cyclictest0-21swapper/008:00:350
120509960,0cyclictest0-21swapper/007:50:110
120509960,0cyclictest0-21swapper/007:35:140
120759954,1cyclictest35-21ksoftirqd/308:10:013
120759954,1cyclictest35-21ksoftirqd/307:35:003
120759954,1cyclictest31673-21sensors08:55:213
120759954,1cyclictest24140-21ssh12:25:023
120759954,1cyclictest23787-21sensors07:30:183
120759953,1cyclictest4664-21taskset09:07:123
120759953,1cyclictest31600-21munin-run07:49:593
120759952,2cyclictest17435-21memory12:15:163
120759951,3cyclictest12265-21apt-get07:10:113
120759951,3cyclictest0-21swapper/308:35:113
120759951,1cyclictest1753-21/usr/sbin/munin07:55:163
120759950,3cyclictest0-21swapper/307:15:123
120759950,2cyclictest240-21systemd-journal08:51:213
120589955,0cyclictest0-21swapper/111:16:571
120589955,0cyclictest0-21swapper/110:35:041
120589955,0cyclictest0-21swapper/110:31:271
120589955,0cyclictest0-21swapper/110:02:271
120589953,2cyclictest0-21swapper/110:08:041
120589952,2cyclictest0-21swapper/109:30:131
120589952,1cyclictest0-21swapper/109:26:061
120589950,5cyclictest0-21swapper/111:55:541
120589950,5cyclictest0-21swapper/111:09:271
120589950,5cyclictest0-21swapper/110:49:301
120589950,5cyclictest0-21swapper/109:52:431
120589950,5cyclictest0-21swapper/109:41:311
120589950,5cyclictest0-21swapper/108:56:441
120589950,5cyclictest0-21swapper/108:51:191
120589950,5cyclictest0-21swapper/108:41:151
120589950,5cyclictest0-21swapper/108:32:151
120589950,5cyclictest0-21swapper/108:23:101
120589950,5cyclictest0-21swapper/107:12:521
120589950,4cyclictest0-21swapper/112:30:141
120589950,4cyclictest0-21swapper/112:20:151
120589950,4cyclictest0-21swapper/110:22:101
120589950,4cyclictest0-21swapper/109:38:441
120589950,3cyclictest0-21swapper/112:10:151
120589950,2cyclictest0-21swapper/112:00:081
120589950,2cyclictest0-21swapper/111:23:171
120589950,1cyclictest0-21swapper/112:25:321
120589950,0cyclictest0-21swapper/108:47:581
120509953,1cyclictest9315-21tr08:10:120
120509950,4cyclictest14477-21fschecks_time08:20:150
120509950,2cyclictest240-21systemd-journal08:45:000
120509950,0cyclictest0-21swapper/007:15:290
120589944,0cyclictest0-21swapper/107:54:141
120589943,1cyclictest10725-21chrt12:05:301
120589941,2cyclictest0-21swapper/110:55:121
120589941,1cyclictest18177-21chrt08:29:151
120589941,1cyclictest0-21swapper/110:50:111
120589940,4cyclictest0-21swapper/107:25:061
120589940,3cyclictest151992sleep109:21:261
120589940,2cyclictest0-21swapper/111:40:121
120589940,2cyclictest0-21swapper/110:10:071
120589940,1cyclictest0-21swapper/112:35:011
120589940,1cyclictest0-21swapper/112:15:111
120589940,1cyclictest0-21swapper/109:45:121
120589940,1cyclictest0-21swapper/109:15:121
120589940,1cyclictest0-21swapper/108:05:001
120589940,1cyclictest0-21swapper/107:55:121
120589940,0cyclictest0-21swapper/109:05:201
120589940,0cyclictest0-21swapper/108:15:011
120589940,0cyclictest0-21swapper/107:23:491
120589931,1cyclictest0-21swapper/108:15:121
120589931,1cyclictest0-21swapper/107:45:121
120589931,1cyclictest0-21swapper/107:40:111
120589920,1cyclictest0-21swapper/109:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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