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2026-08-23 - 21:29
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sun Aug 23, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111312233158,24sleep20-21swapper/207:05:052
129562204144,48sleep30-21swapper/307:06:153
131672200155,31sleep00-21swapper/007:09:010
129472199162,24sleep10-21swapper/107:06:091
54212730,2sleep11331899cyclictest09:50:221
300382610,0sleep20-21swapper/211:12:402
86492600,0sleep30-21swapper/311:28:443
1331999150,14cyclictest19195-21apt-get12:30:132
13317991514,1cyclictest9-21ksoftirqd/008:45:000
1331999140,14cyclictest0-21swapper/208:00:002
1331999140,13cyclictest7170-21apt-get09:55:122
1331999140,13cyclictest6999-21diskmemload10:25:132
1331999140,13cyclictest6999-21diskmemload09:20:202
1331999140,13cyclictest5168-21aten_r1power_en12:10:112
1331999140,13cyclictest10031-21apt-get10:45:102
1331999140,13cyclictest0-21swapper/212:35:282
1331999130,13cyclictest0-21swapper/211:35:232
1331999130,12cyclictest30857-21awk09:40:202
1331999130,12cyclictest27742-21perl11:55:142
1331999130,12cyclictest2722-21fschecks_count11:20:142
1331999130,12cyclictest20475-21df08:30:152
1331999130,12cyclictest14899-21diskstats10:05:142
1331999130,12cyclictest0-21swapper/209:25:132
1331999130,12cyclictest0-21swapper/207:25:002
1331899130,12cyclictest0-21swapper/110:05:161
1331999121,10cyclictest31562-21hwlatdetect07:45:172
1331999121,10cyclictest13176-21/usr/sbin/munin08:15:152
1331999121,10cyclictest0-21swapper/207:35:162
1331999120,11cyclictest6999-21diskmemload10:35:152
1331999120,11cyclictest0-21swapper/212:20:162
1331999120,11cyclictest0-21swapper/211:43:422
1331999120,11cyclictest0-21swapper/210:51:062
1331999120,11cyclictest0-21swapper/210:30:152
1331999120,11cyclictest0-21swapper/209:39:162
1331999120,11cyclictest0-21swapper/208:55:162
1331999120,10cyclictest0-21swapper/209:15:152
1332799110,11cyclictest0-21swapper/312:03:453
1331999119,1cyclictest28-21ksoftirqd/208:10:002
1331999111,9cyclictest17489-21cstates10:55:142
1331999110,11cyclictest0-21swapper/212:15:182
1331999110,11cyclictest0-21swapper/211:52:052
1331999110,11cyclictest0-21swapper/211:46:592
1331999110,11cyclictest0-21swapper/211:30:132
1331999110,11cyclictest0-21swapper/211:19:392
1331999110,11cyclictest0-21swapper/211:01:332
1331999110,11cyclictest0-21swapper/210:10:132
1331999110,11cyclictest0-21swapper/209:34:432
1331999110,11cyclictest0-21swapper/207:15:162
1331999110,10cyclictest22455-21apt-config08:35:002
1331999110,10cyclictest0-21swapper/210:41:432
1331999110,10cyclictest0-21swapper/210:24:382
1331999110,10cyclictest0-21swapper/210:00:342
1331999110,10cyclictest0-21swapper/209:45:472
1331799113,4cyclictest30787-21wc11:15:000
13317991110,1cyclictest9-21ksoftirqd/009:40:000
1332799109,1cyclictest35-21ksoftirqd/308:25:003
1331999101,8cyclictest6999-21diskmemload11:25:122
1331999100,9cyclictest30570-21/usr/sbin/munin12:00:162
1331999100,9cyclictest0-21swapper/212:26:312
1331999100,9cyclictest0-21swapper/212:08:462
1331999100,9cyclictest0-21swapper/211:05:172
1331999100,9cyclictest0-21swapper/209:51:572
1331999100,9cyclictest0-21swapper/209:12:572
1331799103,6cyclictest18949-21perf12:30:000
1331799100,5cyclictest1982-21sendmail-mta12:18:270
133279999,0cyclictest35-21ksoftirqd/310:29:433
133279992,3cyclictest0-21swapper/309:55:163
133279991,6cyclictest6999-21diskmemload11:09:113
133279990,7cyclictest9234-21proc_pri08:05:203
133199990,8cyclictest21366-21/usr/sbin/munin10:15:162
133179995,4cyclictest9-21ksoftirqd/012:35:180
133179991,4cyclictest6224-21munin-plugin-st10:39:590
133279988,0cyclictest35-21ksoftirqd/311:02:133
133279986,1cyclictest11301-21snmpd09:48:243
133279981,5cyclictest6999-21diskmemload10:55:303
133279981,4cyclictest0-21swapper/311:30:133
133279980,5cyclictest0-21swapper/310:40:123
133279980,2cyclictest0-21swapper/312:35:113
133279980,0cyclictest0-21swapper/309:51:593
133199986,2cyclictest61650irq/122-eno108:45:012
133199981,1cyclictest0-21swapper/208:01:062
133199980,8cyclictest21308-21/usr/sbin/munin07:25:192
133199980,7cyclictest5577-21fschecks_time09:05:152
133199980,7cyclictest0-21swapper/208:50:122
133199980,5cyclictest240-21systemd-journal07:30:012
133189980,4cyclictest0-21swapper/111:35:071
133189980,4cyclictest0-21swapper/111:05:111
133179987,1cyclictest5834-21ssh11:25:120
133179987,1cyclictest1-21systemd11:35:120
133179986,1cyclictest9-21ksoftirqd/012:30:130
133179986,1cyclictest9-21ksoftirqd/008:35:010
133179986,1cyclictest11301-21snmpd09:03:470
133179986,1cyclictest10147-21ssh09:14:090
133179984,2cyclictest240-21systemd-journal12:15:000
133179981,6cyclictest23711-21telnet11:50:120
133179981,5cyclictest15423-21latency_hist12:25:010
133179980,7cyclictest22480-21ssh11:00:500
133179980,7cyclictest11173-21unixbench-2d11:30:200
133179980,4cyclictest20318-21latency_hist11:00:000
29161270,0sleep30-21swapper/311:56:293
133279976,1cyclictest11301-21snmpd10:03:163
133279975,1cyclictest21100-21ssh12:30:473
133279975,1cyclictest11301-21snmpd10:15:523
133279975,1cyclictest11301-21snmpd08:46:163
133279975,1cyclictest11301-21snmpd08:18:273
133279975,1cyclictest11301-21snmpd08:11:093
133279974,2cyclictest6999-21diskmemload09:20:293
133279974,1cyclictest6999-21diskmemload12:17:323
133279974,1cyclictest6999-21diskmemload09:33:303
133279974,1cyclictest240-21systemd-journal07:55:003
133279973,1cyclictest240-21systemd-journal07:45:003
133279972,3cyclictest6999-21diskmemload12:25:193
133279971,6cyclictest2291-21kworker/u8:112:05:093
133279971,3cyclictest0-21swapper/310:49:053
133279970,5cyclictest0-21swapper/311:35:123
133279970,3cyclictest14541-21tail10:05:133
133279970,1cyclictest0-21swapper/311:10:223
133279970,1cyclictest0-21swapper/307:15:133
133279970,0cyclictest0-21swapper/310:20:563
133279970,0cyclictest0-21swapper/309:39:333
133199972,4cyclictest29832-21switchtime07:40:182
133199970,7cyclictest0-21swapper/208:25:012
133199970,7cyclictest0-21swapper/208:25:012
133199970,6cyclictest1536-21if_eno107:50:152
133199970,6cyclictest15061-21apt-get08:20:122
133199970,6cyclictest13536-21apt-get07:10:122
133199970,6cyclictest0-21swapper/209:00:112
133199970,6cyclictest0-21swapper/208:40:162
133199970,3cyclictest0-21swapper/208:10:112
133189973,0cyclictest0-21swapper/110:12:091
133189971,6cyclictest0-21swapper/107:33:531
133189970,6cyclictest0-21swapper/111:31:271
133189970,6cyclictest0-21swapper/111:28:211
133189970,6cyclictest0-21swapper/109:35:161
133189970,5cyclictest0-21swapper/108:35:201
133189970,4cyclictest0-21swapper/111:15:141
133189970,4cyclictest0-21swapper/110:16:081
133189970,3cyclictest0-21swapper/109:42:091
133179975,1cyclictest14051-21df10:50:140
133179975,1cyclictest11301-21snmpd09:07:050
133179975,1cyclictest11301-21snmpd08:58:110
133179975,1cyclictest11301-21snmpd08:27:010
133179975,1cyclictest11301-21snmpd08:27:010
133179975,1cyclictest11301-21snmpd08:16:520
133179975,1cyclictest11301-21snmpd08:12:470
133179975,1cyclictest11301-21snmpd08:05:420
133179975,1cyclictest11301-21snmpd07:22:140
133179974,0cyclictest6999-21diskmemload10:31:210
133179973,3cyclictest24668-21perf08:40:010
133179971,6cyclictest6463-21ssh10:40:010
133179971,5cyclictest1643-21ssh12:05:120
133179971,5cyclictest15690-21munin-node09:40:110
133179971,5cyclictest14375-21ssh09:20:050
133179971,1cyclictest0-21swapper/007:13:350
133179970,6cyclictest3894-21users11:20:210
133179970,6cyclictest19128-21ssh11:42:590
133179970,6cyclictest0-21swapper/010:16:060
133179970,6cyclictest0-21swapper/009:25:080
133179970,3cyclictest28807-21users11:55:200
133179970,1cyclictest26183-21sh11:06:320
133179970,1cyclictest1385-21perl07:50:140
133179970,1cyclictest0-21swapper/012:00:180
133179970,1cyclictest0-21swapper/010:45:140
133179970,1cyclictest0-21swapper/009:53:240
7238260,1sleep30-21swapper/309:10:073
31380260,0sleep10-21swapper/110:29:201
15047260,0sleep30-21swapper/307:10:203
133279965,1cyclictest5066-21ssh10:36:253
133279965,1cyclictest35-21ksoftirqd/309:00:003
133279965,1cyclictest18492-21cat08:25:143
133279965,1cyclictest18492-21cat08:25:133
133279965,1cyclictest11301-21snmpd11:41:133
133279965,1cyclictest11301-21snmpd07:58:123
133279964,1cyclictest35-21ksoftirqd/309:09:543
133279964,1cyclictest23940-21tr07:30:143
133279964,1cyclictest11301-21snmpd07:37:593
133279963,2cyclictest23283-21gltestperf08:35:143
133279962,2cyclictest6999-21diskmemload11:50:093
133279962,2cyclictest6999-21diskmemload11:45:353
133279962,1cyclictest3310-21ntp_states11:20:183
133279961,4cyclictest18921-21/usr/sbin/munin10:10:163
133279961,3cyclictest6999-21diskmemload12:20:153
133279961,3cyclictest6999-21diskmemload10:34:273
133279960,3cyclictest30010-21apt-get08:50:113
133279960,3cyclictest0-21swapper/310:53:223
133279960,3cyclictest0-21swapper/309:15:183
133279960,2cyclictest0-21swapper/312:11:013
133279960,2cyclictest0-21swapper/309:40:243
133279960,2cyclictest0-21swapper/309:26:523
133279960,1cyclictest0-21swapper/311:15:153
133189966,0cyclictest0-21swapper/111:41:391
133189965,1cyclictest0-21swapper/111:23:271
133189965,1cyclictest0-21swapper/109:46:191
133189961,5cyclictest0-21swapper/112:05:251
133189961,5cyclictest0-21swapper/107:19:591
133189960,6cyclictest0-21swapper/112:15:331
133189960,6cyclictest0-21swapper/110:35:101
133189960,6cyclictest0-21swapper/110:02:461
133189960,6cyclictest0-21swapper/108:53:531
133189960,6cyclictest0-21swapper/108:06:061
133189960,6cyclictest0-21swapper/107:55:171
133189960,5cyclictest0-21swapper/111:58:191
133189960,5cyclictest0-21swapper/110:55:161
133189960,5cyclictest0-21swapper/108:02:381
133189960,5cyclictest0-21swapper/107:40:141
133189960,5cyclictest0-21swapper/107:25:151
133189960,4cyclictest0-21swapper/112:12:291
133189960,4cyclictest0-21swapper/110:49:361
133189960,4cyclictest0-21swapper/109:25:441
133189960,3cyclictest0-21swapper/109:10:121
133189960,2cyclictest0-21swapper/112:35:361
133189960,2cyclictest0-21swapper/108:15:131
133189960,1cyclictest0-21swapper/107:48:201
133179965,1cyclictest9102-21ssh09:55:520
133179965,1cyclictest32651-21ssh09:45:130
133179964,1cyclictest0-21swapper/011:45:150
133179963,1cyclictest0-21swapper/011:15:140
133179960,6cyclictest6999-21diskmemload10:13:040
133179960,6cyclictest0-21swapper/010:25:180
133179960,6cyclictest0-21swapper/010:20:140
133179960,6cyclictest0-21swapper/008:22:240
133179960,5cyclictest6999-21diskmemload09:30:190
133179960,5cyclictest0-21swapper/010:00:200
133179960,2cyclictest0-21swapper/007:25:110
133179960,1cyclictest6999-21diskmemload10:05:120
133179960,0cyclictest0-21swapper/009:15:580
133179960,0cyclictest0-21swapper/008:50:310
133179960,0cyclictest0-21swapper/007:45:130
133179960,0cyclictest0-21swapper/007:36:380
133279954,1cyclictest4492-21sshd09:03:193
133279953,1cyclictest21081-21dump-pmu-power07:25:003
133279951,1cyclictest240-21systemd-journal08:35:003
133279950,3cyclictest240-21systemd-journal08:05:003
133279950,1cyclictest21795-21expr07:25:133
133279950,1cyclictest0-21swapper/308:40:183
133189953,1cyclictest191372sleep112:30:021
133189953,1cyclictest12066-21chrt08:10:211
133189951,3cyclictest0-21swapper/109:05:121
133189951,2cyclictest0-21swapper/111:45:131
133189950,5cyclictest0-21swapper/112:03:421
133189950,5cyclictest0-21swapper/111:53:311
133189950,5cyclictest0-21swapper/110:22:161
133189950,5cyclictest0-21swapper/109:22:361
133189950,5cyclictest0-21swapper/108:45:491
133189950,5cyclictest0-21swapper/107:50:361
133189950,4cyclictest0-21swapper/112:20:391
133189950,2cyclictest0-21swapper/111:01:151
133189950,2cyclictest0-21swapper/109:32:211
133189950,2cyclictest0-21swapper/107:10:121
133189950,1cyclictest0-21swapper/110:31:511
133189950,1cyclictest0-21swapper/108:20:121
133189950,0cyclictest0-21swapper/108:30:131
133179953,1cyclictest4749-21unixbench_singl07:55:220
133179953,1cyclictest25550-21sshd07:32:120
133179953,1cyclictest11301-21snmpd07:40:410
133179950,5cyclictest0-21swapper/008:49:210
133179950,0cyclictest0-21swapper/008:00:230
133179950,0cyclictest0-21swapper/007:15:010
133279944,0cyclictest32152-21sensors07:45:223
133189941,2cyclictest0-21swapper/108:58:021
133189941,2cyclictest0-21swapper/108:40:111
133189940,4cyclictest0-21swapper/107:36:021
133189940,3cyclictest0-21swapper/109:15:221
133189940,3cyclictest0-21swapper/109:05:001
133189940,2cyclictest0-21swapper/112:25:111
133189940,2cyclictest0-21swapper/110:40:591
133189940,2cyclictest0-21swapper/109:55:221
133189940,1cyclictest0-21swapper/111:10:211
133189940,1cyclictest0-21swapper/110:50:121
133189940,1cyclictest0-21swapper/108:25:161
133189940,1cyclictest0-21swapper/108:25:161
133189940,0cyclictest0-21swapper/107:20:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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