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2026-09-19 - 22:45
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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 Sep 19, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151112218152,23sleep20-21swapper/207:08:402
151942200162,25sleep10-21swapper/107:09:431
149432200161,25sleep30-21swapper/307:06:273
149132198158,25sleep00-21swapper/007:06:030
88012650,0sleep20-21swapper/211:27:512
21672150,0sleep20-21swapper/209:45:182
194682150,0sleep00-21swapper/010:56:580
15298991414,0cyclictest9-21ksoftirqd/009:40:130
15298991313,0cyclictest9-21ksoftirqd/010:25:170
1531799120,11cyclictest3351-21aten_r1power_en10:35:132
1529899123,4cyclictest18125-21grep10:10:000
15298991210,1cyclictest9-21ksoftirqd/010:40:190
244342110,0sleep20-21swapper/211:05:012
15317991110,1cyclictest28-21ksoftirqd/208:50:012
1529899119,1cyclictest9-21ksoftirqd/011:30:240
15298991111,0cyclictest9-21ksoftirqd/011:25:130
1531799106,1cyclictest61650irq/122-eno112:35:172
1529899109,1cyclictest9-21ksoftirqd/010:15:000
1529899109,1cyclictest9-21ksoftirqd/009:20:130
1529899108,1cyclictest9-21ksoftirqd/011:55:000
1529899108,1cyclictest9-21ksoftirqd/010:20:210
1529899108,1cyclictest9-21ksoftirqd/010:20:210
15298991010,0cyclictest9-21ksoftirqd/012:10:180
15298991010,0cyclictest9-21ksoftirqd/010:50:130
1529899100,5cyclictest32523-21sed07:45:000
153259992,6cyclictest1668-21apt-get12:05:113
153259991,5cyclictest32358-21ssh11:15:153
153179990,3cyclictest13970-21sh10:03:022
153179990,2cyclictest0-21swapper/212:30:122
152989999,0cyclictest9-21ksoftirqd/011:16:580
152989998,1cyclictest9-21ksoftirqd/012:35:200
152989998,1cyclictest9-21ksoftirqd/011:40:150
152989998,1cyclictest9-21ksoftirqd/009:30:230
152989997,1cyclictest9-21ksoftirqd/012:10:010
152989997,1cyclictest9-21ksoftirqd/012:00:210
152989997,1cyclictest9-21ksoftirqd/010:15:150
152989997,1cyclictest9-21ksoftirqd/009:55:170
152989997,1cyclictest9-21ksoftirqd/007:59:590
3301280,0sleep10-21swapper/110:35:121
153259986,1cyclictest35-21ksoftirqd/308:15:003
153259986,1cyclictest11301-21snmpd09:35:203
153259986,1cyclictest11301-21snmpd07:51:403
153259983,4cyclictest7744-21diskmemload12:35:243
153259981,4cyclictest7744-21diskmemload09:25:213
153259980,7cyclictest0-21swapper/308:19:423
153259980,5cyclictest21955-21runrttasks12:32:013
153259980,1cyclictest0-21swapper/310:25:113
153179988,0cyclictest0-21swapper/212:19:542
153179986,1cyclictest61650irq/122-eno111:35:162
153179986,1cyclictest61650irq/122-eno111:12:332
153179986,1cyclictest61650irq/122-eno110:20:192
153179986,1cyclictest61650irq/122-eno110:20:182
153179986,1cyclictest61650irq/122-eno107:10:162
153179986,1cyclictest11301-21snmpd09:27:442
153179986,1cyclictest11301-21snmpd08:22:052
153179986,1cyclictest11301-21snmpd08:08:142
153179984,1cyclictest16709-21apt-get11:40:112
153179982,4cyclictest561-21nscd11:02:052
153179980,7cyclictest7744-21diskmemload09:20:152
153179980,3cyclictest0-21swapper/207:50:132
153069982,0cyclictest0-21swapper/108:25:191
153069981,3cyclictest0-21swapper/111:25:161
153069980,0cyclictest0-21swapper/109:02:431
152989988,0cyclictest9-21ksoftirqd/009:15:000
152989987,1cyclictest9-21ksoftirqd/010:45:130
152989987,1cyclictest9-21ksoftirqd/010:39:000
152989987,1cyclictest9-21ksoftirqd/009:15:230
152989987,1cyclictest9-21ksoftirqd/009:05:150
152989986,1cyclictest9-21ksoftirqd/012:30:120
152989986,1cyclictest9-21ksoftirqd/009:45:170
152989986,1cyclictest11301-21snmpd11:56:210
152989981,6cyclictest0-21swapper/008:08:290
152989980,7cyclictest23279-21apt-get07:25:120
152989980,7cyclictest13522-21cut11:35:160
152989980,7cyclictest12114-21perl10:00:170
152989980,4cyclictest7744-21diskmemload09:27:310
29992270,2sleep10-21swapper/110:25:191
21702270,0sleep10-21swapper/109:27:271
153259976,1cyclictest27034-21sh11:07:343
153259976,1cyclictest11301-21snmpd08:37:003
153259976,1cyclictest11301-21snmpd08:03:053
153259976,1cyclictest11301-21snmpd07:37:383
153259975,1cyclictest23781-21ssh10:15:533
153259975,1cyclictest11301-21snmpd12:23:203
153259972,3cyclictest561-21nscd12:11:123
153259970,6cyclictest29892-21/usr/sbin/munin09:40:153
153259970,4cyclictest0-21swapper/311:26:363
153259970,4cyclictest0-21swapper/311:13:473
153259970,3cyclictest7744-21diskmemload09:30:233
153259970,2cyclictest11301-21snmpd09:20:383
153259970,1cyclictest18425-21open_inodes10:55:203
153259970,0cyclictest0-21swapper/311:36:053
153179976,1cyclictest61650irq/122-eno112:25:082
153179976,1cyclictest61650irq/122-eno112:13:422
153179976,1cyclictest61650irq/122-eno110:34:062
153179976,1cyclictest61650irq/122-eno109:56:442
153179976,1cyclictest61650irq/122-eno109:15:232
153179976,1cyclictest28-21ksoftirqd/212:00:152
153179976,1cyclictest28-21ksoftirqd/207:40:002
153179976,1cyclictest28-21ksoftirqd/207:30:002
153179976,1cyclictest23995-21ntpq09:30:192
153179975,1cyclictest61650irq/122-eno110:40:182
153179975,1cyclictest28-21ksoftirqd/208:54:372
153179975,1cyclictest28-21ksoftirqd/207:55:162
153179975,1cyclictest11301-21snmpd09:40:032
153179974,2cyclictest29621-21hddtemp_smartct10:25:162
153179973,2cyclictest240-21systemd-journal07:45:002
153179973,1cyclictest240-21systemd-journal12:24:552
153179973,0cyclictest0-21swapper/207:15:002
153179972,2cyclictest294-21systemd-udevd11:45:082
153179971,2cyclictest15293-21cyclictest11:30:072
153179970,6cyclictest0-21swapper/209:36:292
153179970,3cyclictest0-21swapper/207:20:182
153179970,1cyclictest16275-21apt-get10:05:192
153069975,1cyclictest21-21ksoftirqd/108:19:421
153069970,4cyclictest0-21swapper/111:35:151
153069970,3cyclictest0-21swapper/109:20:371
153069970,0cyclictest0-21swapper/109:42:501
152989977,0cyclictest9-21ksoftirqd/007:45:210
152989976,1cyclictest9-21ksoftirqd/009:50:100
152989976,1cyclictest9-21ksoftirqd/008:45:020
152989976,1cyclictest9-21ksoftirqd/008:40:130
152989976,1cyclictest9-21ksoftirqd/008:40:130
152989976,1cyclictest9-21ksoftirqd/007:30:110
152989975,1cyclictest9-21ksoftirqd/011:45:160
152989975,1cyclictest18399-21ssh12:26:450
152989975,1cyclictest12583-21df08:10:140
152989975,1cyclictest11301-21snmpd07:50:160
152989973,2cyclictest548-21systemd-logind09:00:180
152989971,2cyclictest27233-21chrt11:08:140
152989970,6cyclictest7744-21diskmemload11:20:180
152989970,6cyclictest321-21ssh10:30:150
152989970,6cyclictest26438-21telnet09:35:130
152989970,6cyclictest0-21swapper/012:20:210
152989970,1cyclictest7879-21df_inode08:00:140
152989970,1cyclictest7744-21diskmemload11:01:410
152989970,1cyclictest28059-21ssh11:10:130
152989970,1cyclictest20695-21perf07:20:000
153259965,1cyclictest35-21ksoftirqd/308:50:113
153259965,1cyclictest35-21ksoftirqd/308:30:003
153259965,1cyclictest3282-21ssh10:35:083
153259965,1cyclictest32312-21ssh12:00:243
153259965,1cyclictest29777-21ntpq08:45:193
153259965,1cyclictest25488-21ssh11:50:303
153259965,1cyclictest22016-21ssh11:45:303
153259965,1cyclictest18584-21ssh11:40:393
153259965,1cyclictest17069-21ssh10:06:363
153259965,1cyclictest11750-21ssh11:31:073
153259965,1cyclictest11301-21snmpd09:59:443
153259965,1cyclictest11301-21snmpd09:10:433
153259965,1cyclictest11301-21snmpd07:24:133
153259965,1cyclictest10958-21ssh12:16:323
153259964,1cyclictest11301-21snmpd10:12:563
153259964,1cyclictest11301-21snmpd09:02:193
153259964,0cyclictest7744-21diskmemload12:26:393
153259963,3cyclictest2416-1kworker/u9:111:21:263
153259963,2cyclictest10267-21/usr/sbin/munin10:45:203
153259962,1cyclictest7744-21diskmemload11:00:163
153259961,4cyclictest7744-21diskmemload09:50:173
153259961,2cyclictest7744-21diskmemload10:30:253
153259961,2cyclictest27498-21tr08:40:213
153259961,2cyclictest27498-21tr08:40:213
153259960,6cyclictest0-21swapper/310:00:273
153259960,3cyclictest0-21swapper/307:55:143
153259960,2cyclictest0-21swapper/310:52:263
153259960,1cyclictest12978-21/usr/sbin/munin09:15:213
153259960,1cyclictest0-21swapper/308:20:133
153259960,0cyclictest7744-21diskmemload10:42:353
153179966,0cyclictest61650irq/122-eno111:20:022
153179966,0cyclictest61650irq/122-eno111:16:552
153179966,0cyclictest61650irq/122-eno110:55:082
153179966,0cyclictest61650irq/122-eno110:50:132
153179966,0cyclictest61650irq/122-eno110:45:212
153179966,0cyclictest61650irq/122-eno110:17:422
153179966,0cyclictest61650irq/122-eno110:10:142
153179966,0cyclictest61650irq/122-eno109:50:022
153179966,0cyclictest61650irq/122-eno109:02:432
153179966,0cyclictest61650irq/122-eno108:42:252
153179966,0cyclictest61650irq/122-eno108:42:252
153179966,0cyclictest61650irq/122-eno108:35:182
153179966,0cyclictest61650irq/122-eno108:01:562
153179965,1cyclictest61650irq/122-eno112:07:112
153179965,1cyclictest61650irq/122-eno111:55:052
153179965,1cyclictest25449-21ssh11:50:242
153179965,1cyclictest11301-21snmpd08:17:202
153179964,1cyclictest8205-21ssh09:10:112
153179964,1cyclictest11301-21snmpd08:30:032
153179964,1cyclictest0-21swapper/207:45:172
153179960,6cyclictest0-21swapper/208:59:552
153179960,6cyclictest0-21swapper/208:27:192
153069963,1cyclictest0-21swapper/111:34:551
153069961,3cyclictest0-21swapper/109:10:151
153069961,2cyclictest0-21swapper/107:30:161
153069960,6cyclictest0-21swapper/112:06:121
153069960,4cyclictest0-21swapper/109:17:451
153069960,3cyclictest0-21swapper/112:33:181
153069960,1cyclictest0-21swapper/111:10:001
153069960,0cyclictest0-21swapper/112:03:171
153069960,0cyclictest0-21swapper/111:48:161
153069960,0cyclictest0-21swapper/111:00:121
153069960,0cyclictest0-21swapper/110:32:591
153069960,0cyclictest0-21swapper/110:17:581
153069960,0cyclictest0-21swapper/110:10:201
153069960,0cyclictest0-21swapper/110:02:541
153069960,0cyclictest0-21swapper/108:50:191
153069960,0cyclictest0-21swapper/108:37:401
153069960,0cyclictest0-21swapper/108:05:191
153069960,0cyclictest0-21swapper/107:40:191
153069960,0cyclictest0-21swapper/107:12:241
152989966,0cyclictest9-21ksoftirqd/012:15:150
152989965,1cyclictest9-21ksoftirqd/008:55:150
152989965,1cyclictest20319-21ntp_kernel_pll_08:25:170
152989964,1cyclictest9-21ksoftirqd/008:55:000
152989964,1cyclictest9-21ksoftirqd/008:35:140
152989964,1cyclictest18161-21sendmail_mailqu08:20:210
152989962,1cyclictest14437-21/usr/sbin/munin08:15:110
152989962,0cyclictest0-21swapper/008:30:130
152989960,2cyclictest0-21swapper/007:20:110
153259954,1cyclictest8793-21kworker/3:207:49:593
153259953,1cyclictest7744-21diskmemload10:20:103
153259953,1cyclictest7744-21diskmemload10:20:103
153259953,1cyclictest30097-21cron07:44:553
153259953,1cyclictest25407-21latency_hist07:30:003
153259952,2cyclictest5628-21apt-get09:05:133
153259952,2cyclictest21531-21apt-get08:30:113
153259951,2cyclictest0-21swapper/311:55:153
153259950,4cyclictest11854-21latency_hist08:10:003
153259950,3cyclictest0-21swapper/307:30:123
153259950,3cyclictest0-21swapper/307:15:173
153259950,2cyclictest0-21swapper/309:46:363
153259950,1cyclictest0-21swapper/307:10:133
153179955,0cyclictest61650irq/122-eno108:12:572
153179955,0cyclictest61650irq/122-eno107:30:132
153179953,1cyclictest0-21swapper/209:05:142
153069955,0cyclictest0-21swapper/112:20:531
153069953,1cyclictest0-21swapper/109:55:151
153069952,1cyclictest0-21swapper/112:10:011
153069952,1cyclictest0-21swapper/108:24:561
153069952,1cyclictest0-21swapper/107:35:001
153069951,2cyclictest0-21swapper/111:20:151
153069951,2cyclictest0-21swapper/109:46:581
153069951,1cyclictest0-21swapper/108:10:131
153069950,5cyclictest0-21swapper/111:55:511
153069950,5cyclictest0-21swapper/110:55:501
153069950,5cyclictest0-21swapper/109:39:331
153069950,3cyclictest0-21swapper/112:15:161
153069950,2cyclictest0-21swapper/109:30:211
153069950,2cyclictest0-21swapper/108:45:141
153069950,1cyclictest0-21swapper/110:20:121
153069950,1cyclictest0-21swapper/110:20:121
153069950,1cyclictest0-21swapper/108:55:201
153069950,0cyclictest0-21swapper/112:38:411
152989954,1cyclictest9-21ksoftirqd/007:35:120
152989954,1cyclictest9-21ksoftirqd/007:10:130
153259943,1cyclictest896-21apt-get08:55:133
153069944,0cyclictest0-21swapper/111:41:581
153069943,1cyclictest7690-21chrt09:09:281
153069943,1cyclictest30194-21chrt11:11:321
153069943,1cyclictest0-21swapper/107:58:321
153069942,1cyclictest1380-21chrt11:16:201
153069942,1cyclictest0-21swapper/110:45:131
153069941,1cyclictest0-21swapper/107:50:001
153069941,1cyclictest0-21swapper/107:30:011
153069940,4cyclictest0-21swapper/110:07:551
153069940,4cyclictest0-21swapper/108:02:331
153069940,2cyclictest0-21swapper/112:25:111
153069940,2cyclictest0-21swapper/111:50:151
153069940,2cyclictest0-21swapper/110:41:261
153069940,2cyclictest0-21swapper/107:25:001
153069940,1cyclictest0-21swapper/110:50:071
153069940,1cyclictest0-21swapper/109:51:011
153069940,1cyclictest0-21swapper/107:15:131
153069940,0cyclictest0-21swapper/107:50:141
153069931,1cyclictest0-21swapper/108:30:001
153069930,0cyclictest0-21swapper/108:40:171
153069930,0cyclictest0-21swapper/108:40:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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