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2026-03-30 - 23:46
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Mon Mar 30, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305992211160,25sleep00-21swapper/007:09:330
305992211160,25sleep00-21swapper/007:09:330
304412201161,26sleep30-21swapper/307:07:313
304412201161,26sleep30-21swapper/307:07:313
305472200159,26sleep20-21swapper/207:08:552
305472200159,26sleep20-21swapper/207:08:552
306102199158,27sleep10-21swapper/107:09:421
306102199158,27sleep10-21swapper/107:09:421
268802920,1sleep03072899cyclictest09:14:110
323242590,0sleep10-21swapper/110:44:281
30753991414,0cyclictest35-21ksoftirqd/312:37:533
30745991414,0cyclictest28-21ksoftirqd/212:14:582
30745991413,1cyclictest28-21ksoftirqd/211:46:512
30745991413,1cyclictest28-21ksoftirqd/207:59:592
30753991313,0cyclictest35-21ksoftirqd/311:09:353
30745991312,1cyclictest28-21ksoftirqd/209:37:002
30745991311,1cyclictest28-21ksoftirqd/211:25:002
30728991311,1cyclictest24907-21munin-run08:05:000
30728991310,1cyclictest9-21ksoftirqd/009:30:000
3075399129,2cyclictest28179-21cut11:20:123
3075399129,2cyclictest26353-21df_inode12:00:143
3075399127,4cyclictest17495-21apt-get10:25:123
30753991212,0cyclictest35-21ksoftirqd/312:27:493
30753991210,0cyclictest341rcuc/310:32:513
30745991211,1cyclictest28-21ksoftirqd/212:10:002
30745991211,1cyclictest28-21ksoftirqd/211:53:202
30745991211,1cyclictest28-21ksoftirqd/211:40:472
30745991211,1cyclictest28-21ksoftirqd/209:56:442
30745991211,1cyclictest28-21ksoftirqd/208:50:002
30745991211,1cyclictest28-21ksoftirqd/208:35:002
30745991210,1cyclictest28-21ksoftirqd/211:10:182
30745991210,1cyclictest28-21ksoftirqd/209:40:232
3075399119,1cyclictest9795-21timerandwakeup10:55:213
3075399119,1cyclictest1927-21threads10:45:203
3075399118,2cyclictest2698-21cat12:10:223
3075399118,2cyclictest2242-21fschecks_time07:15:153
3075399118,2cyclictest12095-21tr08:45:133
3075399118,2cyclictest0-21swapper/311:35:163
3075399118,1cyclictest35-21ksoftirqd/308:05:003
3075399112,8cyclictest341rcuc/310:51:223
3075399112,8cyclictest341rcuc/310:51:223
3075399112,8cyclictest341rcuc/310:36:503
3075399112,8cyclictest341rcuc/309:35:103
30753991111,0cyclictest35-21ksoftirqd/312:23:163
30753991111,0cyclictest23358-21diskmemload10:08:323
3074599119,1cyclictest28-21ksoftirqd/212:30:002
3074599119,1cyclictest28-21ksoftirqd/209:45:172
3074599119,1cyclictest28-21ksoftirqd/209:10:142
3074599112,8cyclictest10319-21wc12:20:182
30745991110,1cyclictest28-21ksoftirqd/210:35:002
30745991110,1cyclictest28-21ksoftirqd/209:50:142
30745991110,1cyclictest28-21ksoftirqd/207:15:142
3075399109,1cyclictest35-21ksoftirqd/307:20:133
3075399108,1cyclictest6043-21aten_r1power_fr10:10:123
3075399108,1cyclictest32440-21apt-get08:20:123
3075399108,1cyclictest30056-21aten_r1power_cu08:15:113
3075399108,1cyclictest0-21swapper/311:25:123
3075399107,2cyclictest11279-21smartctl11:40:153
3075399107,1cyclictest35-21ksoftirqd/312:30:283
3075399103,7cyclictest35-21ksoftirqd/309:46:173
3075399102,7cyclictest341rcuc/309:00:103
3075399102,1cyclictest35-21ksoftirqd/311:52:103
3075399101,8cyclictest341rcuc/311:15:043
3075399101,8cyclictest341rcuc/310:42:123
3075399101,8cyclictest32422-21ssh12:07:503
3075399100,9cyclictest15784-21ssh10:21:183
3074599109,1cyclictest28-21ksoftirqd/211:55:162
3074599109,1cyclictest28-21ksoftirqd/210:55:202
3074599109,1cyclictest28-21ksoftirqd/210:45:132
3074599109,1cyclictest28-21ksoftirqd/209:00:202
3074599109,1cyclictest28-21ksoftirqd/207:45:002
3074599109,1cyclictest271rcuc/212:15:212
3074599108,1cyclictest28-21ksoftirqd/212:35:202
3074599108,1cyclictest28-21ksoftirqd/208:50:152
3074599108,1cyclictest28-21ksoftirqd/208:00:142
30745991010,0cyclictest28-21ksoftirqd/210:00:222
30745991010,0cyclictest0-21swapper/210:11:572
3072899109,1cyclictest9-21ksoftirqd/008:55:000
217182100,0sleep00-21swapper/009:47:150
307539999,0cyclictest35-21ksoftirqd/311:45:373
307539999,0cyclictest35-21ksoftirqd/309:30:473
307539999,0cyclictest35-21ksoftirqd/309:20:193
307539999,0cyclictest35-21ksoftirqd/309:15:353
307539999,0cyclictest35-21ksoftirqd/309:11:533
307539999,0cyclictest35-21ksoftirqd/307:55:213
307539999,0cyclictest35-21ksoftirqd/307:34:553
307539998,1cyclictest0-21swapper/311:30:133
307539998,1cyclictest0-21swapper/309:55:213
307539998,1cyclictest0-21swapper/309:28:223
307539997,2cyclictest31732-21smartctl07:10:193
307539997,1cyclictest5310-21cut12:15:133
307539995,4cyclictest0-21swapper/311:10:143
307539994,3cyclictest341rcuc/307:50:183
307539992,6cyclictest11005-21ssh10:15:193
307539991,8cyclictest35-21ksoftirqd/308:57:463
307539991,8cyclictest35-21ksoftirqd/308:11:003
307539991,8cyclictest341rcuc/308:34:023
307539991,7cyclictest35-21ksoftirqd/311:55:023
307539991,1cyclictest341rcuc/309:43:023
307539990,8cyclictest341rcuc/311:00:403
307539990,8cyclictest23358-21diskmemload10:01:203
307539990,8cyclictest23358-21diskmemload09:51:403
307459999,0cyclictest28-21ksoftirqd/208:15:162
307459998,1cyclictest28-21ksoftirqd/212:00:212
307459998,1cyclictest28-21ksoftirqd/211:25:122
307459998,1cyclictest28-21ksoftirqd/211:18:282
307459998,1cyclictest28-21ksoftirqd/211:05:152
307459998,1cyclictest28-21ksoftirqd/210:50:142
307459998,1cyclictest28-21ksoftirqd/210:50:142
307459998,1cyclictest28-21ksoftirqd/210:25:122
307459998,1cyclictest28-21ksoftirqd/210:05:122
307459998,1cyclictest28-21ksoftirqd/209:20:122
307459998,0cyclictest28-21ksoftirqd/208:55:122
307459997,1cyclictest28-21ksoftirqd/210:40:172
307459997,1cyclictest28-21ksoftirqd/210:20:132
307459997,1cyclictest28-21ksoftirqd/208:10:212
307459994,4cyclictest61650irq/122-eno107:30:112
307289991,4cyclictest26591-21ls09:55:000
307289991,1cyclictest240-21systemd-journal07:36:480
307539988,0cyclictest35-21ksoftirqd/309:05:013
307539988,0cyclictest35-21ksoftirqd/308:50:053
307539988,0cyclictest35-21ksoftirqd/308:40:003
307539988,0cyclictest35-21ksoftirqd/308:35:013
307539988,0cyclictest35-21ksoftirqd/308:25:023
307539988,0cyclictest35-21ksoftirqd/308:05:033
307539988,0cyclictest35-21ksoftirqd/307:45:003
307539988,0cyclictest35-21ksoftirqd/307:40:013
307539988,0cyclictest35-21ksoftirqd/307:35:013
307539988,0cyclictest35-21ksoftirqd/307:25:013
307459988,0cyclictest28-21ksoftirqd/210:35:212
307459987,1cyclictest28-21ksoftirqd/210:15:192
307459987,1cyclictest28-21ksoftirqd/209:25:142
307459987,1cyclictest28-21ksoftirqd/208:40:182
307459987,1cyclictest28-21ksoftirqd/208:20:142
307459986,1cyclictest28-21ksoftirqd/209:35:002
307459986,1cyclictest28-21ksoftirqd/209:10:012
307459986,1cyclictest28-21ksoftirqd/207:25:112
307459980,7cyclictest28-21ksoftirqd/212:30:122
307379980,4cyclictest0-21swapper/111:37:361
307379980,3cyclictest0-21swapper/109:30:061
307289987,1cyclictest9-21ksoftirqd/012:00:010
307289987,1cyclictest9-21ksoftirqd/010:20:550
307289987,1cyclictest9-21ksoftirqd/010:10:010
307289986,1cyclictest9-21ksoftirqd/010:35:000
307289986,1cyclictest9-21ksoftirqd/007:44:590
307289986,1cyclictest10327-21cat08:40:150
307289984,2cyclictest240-21systemd-journal07:20:000
307289983,4cyclictest23358-21diskmemload12:39:110
307289983,1cyclictest18933-21apt09:45:000
307289981,6cyclictest3519-21ssh11:30:130
307289981,3cyclictest23358-21diskmemload12:10:060
307289980,7cyclictest8036-21python11:35:200
307289980,1cyclictest29461-21ssh11:20:490
307289980,1cyclictest27338-21ssh10:36:270
307289980,1cyclictest25773-21ssh12:00:010
307289980,1cyclictest23358-21diskmemload12:05:130
307459977,0cyclictest28-21ksoftirqd/208:35:192
307459976,1cyclictest61650irq/122-eno107:35:192
307459976,1cyclictest28-21ksoftirqd/211:35:122
307459976,1cyclictest28-21ksoftirqd/211:30:102
307459976,1cyclictest28-21ksoftirqd/209:15:122
307459976,1cyclictest28-21ksoftirqd/207:45:142
307459976,1cyclictest28-21ksoftirqd/207:10:192
307459975,2cyclictest28-21ksoftirqd/211:01:442
307459975,1cyclictest28-21ksoftirqd/208:25:132
307459975,1cyclictest28-21ksoftirqd/207:55:002
307459970,7cyclictest0-21swapper/207:22:382
307379971,4cyclictest14754-21taskset12:25:411
307379971,0cyclictest0-21swapper/112:10:121
307379970,4cyclictest0-21swapper/110:00:141
307379970,4cyclictest0-21swapper/108:10:121
307379970,2cyclictest0-21swapper/107:15:121
307289976,1cyclictest9-21ksoftirqd/009:05:010
307289976,1cyclictest28682-21ssh09:55:270
307289975,1cyclictest996-21ssh09:20:200
307289975,1cyclictest2665-21cpuspeed_turbos08:25:110
307289975,1cyclictest0-21swapper/008:15:170
307289973,1cyclictest240-21systemd-journal12:25:130
307289973,1cyclictest240-21systemd-journal08:23:490
307289973,1cyclictest11818-21runrttasks10:15:580
307289971,6cyclictest19585-21ssh11:10:000
307289970,6cyclictest31275-21ssh10:41:380
307289970,6cyclictest19594-21grep11:50:220
307289970,6cyclictest15563-21grep11:45:210
307289970,6cyclictest14305-21ssh11:01:250
307289970,6cyclictest1084-21grep10:45:140
307289970,6cyclictest0-21swapper/012:30:140
307289970,6cyclictest0-21swapper/009:35:170
307289970,6cyclictest0-21swapper/009:30:150
307289970,5cyclictest0-21swapper/008:49:200
307289970,4cyclictest6082-21sed07:25:000
307289970,1cyclictest8308-21ssh10:11:500
307289970,1cyclictest4722-21/usr/sbin/munin08:30:130
307289970,1cyclictest30027-21ssh09:17:030
307289970,1cyclictest26701-21ssh11:18:430
307289970,1cyclictest23358-21diskmemload11:40:440
307289970,1cyclictest2175-21ssh11:29:170
307289970,1cyclictest11062-21ssh10:58:010
307289970,1cyclictest0-21swapper/012:20:160
307289970,1cyclictest0-21swapper/007:15:010
307459964,1cyclictest28-21ksoftirqd/208:05:142
307379961,3cyclictest0-21swapper/112:15:121
307379961,3cyclictest0-21swapper/110:49:561
307379961,3cyclictest0-21swapper/110:25:131
307379960,6cyclictest0-21swapper/112:22:261
307379960,6cyclictest0-21swapper/111:30:171
307379960,5cyclictest0-21swapper/111:20:151
307379960,5cyclictest0-21swapper/110:20:141
307379960,4cyclictest0-21swapper/112:34:341
307379960,4cyclictest0-21swapper/111:15:131
307379960,4cyclictest0-21swapper/107:30:111
307379960,3cyclictest0-21swapper/110:37:441
307379960,3cyclictest0-21swapper/109:20:181
307379960,3cyclictest0-21swapper/109:12:461
307379960,2cyclictest0-21swapper/110:10:121
307379960,1cyclictest0-21swapper/109:25:161
307379960,0cyclictest0-21swapper/111:47:451
307379960,0cyclictest0-21swapper/109:55:221
307289965,1cyclictest30646-21ssh10:00:030
307289965,1cyclictest18666-21ntpq10:25:170
307289964,1cyclictest9455-21hwlatdetect07:30:150
307289964,1cyclictest22377-21ntpq09:05:180
307289964,1cyclictest20183-21munin-run07:55:000
307289960,6cyclictest23358-21diskmemload12:16:420
307289960,6cyclictest0-21swapper/011:10:360
307289960,6cyclictest0-21swapper/007:45:130
307289960,6cyclictest0-21swapper/007:26:170
307289960,2cyclictest0-21swapper/008:12:210
307289960,1cyclictest0-21swapper/008:05:110
307289960,0cyclictest0-21swapper/010:50:010
307289960,0cyclictest0-21swapper/010:50:010
307289960,0cyclictest0-21swapper/008:55:430
307289960,0cyclictest0-21swapper/007:55:220
307379955,0cyclictest0-21swapper/111:12:111
307379955,0cyclictest0-21swapper/108:30:271
307379955,0cyclictest0-21swapper/108:25:241
307379955,0cyclictest0-21swapper/108:16:081
307379953,1cyclictest13566-21chrt08:45:331
307379953,1cyclictest0-21swapper/109:44:241
307379950,5cyclictest0-21swapper/110:05:491
307379950,5cyclictest0-21swapper/108:36:531
307379950,5cyclictest0-21swapper/108:00:401
307379950,5cyclictest0-21swapper/107:29:451
307379950,4cyclictest0-21swapper/107:35:161
307379950,3cyclictest0-21swapper/111:00:111
307379950,3cyclictest0-21swapper/110:52:531
307379950,3cyclictest0-21swapper/110:52:521
307379950,3cyclictest0-21swapper/109:17:451
307379950,3cyclictest0-21swapper/109:00:161
307379950,3cyclictest0-21swapper/108:55:161
307379950,3cyclictest0-21swapper/107:20:131
307379950,2cyclictest0-21swapper/112:05:311
307379950,2cyclictest0-21swapper/112:00:261
307379950,2cyclictest0-21swapper/111:52:141
307379950,2cyclictest0-21swapper/109:35:011
307379950,2cyclictest0-21swapper/109:05:111
307379950,1cyclictest0-21swapper/112:35:391
307379950,1cyclictest0-21swapper/111:05:111
307379950,0cyclictest0-21swapper/111:42:501
307379950,0cyclictest0-21swapper/110:30:021
307289950,4cyclictest7075-21/usr/sbin/munin08:35:140
307379944,0cyclictest0-21swapper/110:55:411
307379944,0cyclictest0-21swapper/108:44:531
307379944,0cyclictest0-21swapper/108:05:101
307379944,0cyclictest0-21swapper/107:55:081
307379941,2cyclictest0-21swapper/111:55:131
307379941,2cyclictest0-21swapper/107:50:121
307379940,2cyclictest0-21swapper/111:28:031
307379940,2cyclictest0-21swapper/110:15:161
307379940,2cyclictest0-21swapper/108:50:121
307379940,2cyclictest0-21swapper/107:10:141
307379940,1cyclictest0-21swapper/109:50:141
307379940,1cyclictest0-21swapper/109:45:271
307379940,1cyclictest0-21swapper/108:25:001
307379940,1cyclictest0-21swapper/107:40:201
307379930,1cyclictest0-21swapper/107:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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