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2026-06-02 - 18:38
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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 all highest latencies:
System rack1slot1.osadl.org (updated Tue Jun 02, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183472227158,25sleep30-21swapper/307:08:053
184852216149,21sleep00-21swapper/007:09:500
183462201162,26sleep20-21swapper/207:08:032
184522199162,24sleep10-21swapper/107:09:281
158952620,0sleep10-21swapper/112:09:041
189082610,0sleep00-21swapper/009:19:170
18584991918,1cyclictest9-21ksoftirqd/009:55:010
18584991918,1cyclictest9-21ksoftirqd/009:30:190
295252180,0sleep311446-21diskmemload10:15:203
18584991818,0cyclictest9-21ksoftirqd/010:35:140
18584991817,1cyclictest9-21ksoftirqd/010:55:010
18584991816,1cyclictest9-21ksoftirqd/011:25:150
18584991815,3cyclictest9-21ksoftirqd/011:48:400
35902170,0sleep00-21swapper/010:25:140
1860599172,1cyclictest35-21ksoftirqd/309:30:163
1860599170,1cyclictest6139-21grep11:55:153
1860599170,1cyclictest1457-21unixbench_multi10:20:213
18584991717,0cyclictest9-21ksoftirqd/009:45:140
18584991717,0cyclictest9-21ksoftirqd/007:35:120
18584991716,1cyclictest9-21ksoftirqd/009:05:140
18584991715,1cyclictest9-21ksoftirqd/007:15:140
18584991715,1cyclictest9-21ksoftirqd/007:15:130
18595991614,1cyclictest28-21ksoftirqd/207:49:592
18584991616,0cyclictest9-21ksoftirqd/010:30:180
18584991614,1cyclictest9-21ksoftirqd/012:20:010
18584991614,1cyclictest9-21ksoftirqd/011:35:200
1860599150,1cyclictest8503-21cstates11:15:143
1860599150,1cyclictest6991-21/usr/sbin/munin09:00:123
18584991515,0cyclictest9-21ksoftirqd/009:25:190
18584991514,1cyclictest9-21ksoftirqd/008:45:210
18584991513,1cyclictest9-21ksoftirqd/010:05:000
23862140,0sleep20-21swapper/207:40:192
194542140,0sleep30-21swapper/308:15:203
1860599140,1cyclictest20557-21memory09:20:163
1860599140,1cyclictest0-21swapper/308:30:193
1860599140,0cyclictest11446-21diskmemload12:05:183
1860599140,0cyclictest0-21swapper/311:00:123
18595991412,0cyclictest28-21ksoftirqd/212:19:542
1858799140,1cyclictest0-21swapper/109:50:091
1858499149,4cyclictest9-21ksoftirqd/010:10:210
18584991414,0cyclictest9-21ksoftirqd/011:50:120
18584991414,0cyclictest9-21ksoftirqd/010:16:190
18584991413,1cyclictest9-21ksoftirqd/011:45:010
18584991413,1cyclictest9-21ksoftirqd/009:55:110
18584991413,1cyclictest9-21ksoftirqd/009:00:190
18584991413,1cyclictest9-21ksoftirqd/007:25:130
18584991412,1cyclictest9-21ksoftirqd/011:10:200
1860599133,9cyclictest11446-21diskmemload10:32:303
1860599131,1cyclictest1029-21snmpd09:28:333
1860599130,2cyclictest0-21swapper/311:35:123
1860599130,12cyclictest28747-21ssh11:41:333
1860599130,12cyclictest0-21swapper/310:00:233
1860599130,1cyclictest6866-21perf10:30:003
1860599130,1cyclictest3996-21ssh11:51:463
1860599130,1cyclictest11446-21diskmemload11:47:493
1860599130,0cyclictest11446-21diskmemload10:46:453
18584991312,1cyclictest9-21ksoftirqd/010:44:480
18584991312,1cyclictest9-21ksoftirqd/007:50:000
18584991311,1cyclictest9-21ksoftirqd/012:35:010
18584991311,1cyclictest9-21ksoftirqd/012:35:000
18584991311,1cyclictest9-21ksoftirqd/012:04:590
18584991311,1cyclictest9-21ksoftirqd/012:00:000
18584991310,1cyclictest9-21ksoftirqd/009:00:000
1860599122,9cyclictest11447-21perf09:10:013
1860599122,9cyclictest11446-21diskmemload11:09:083
1860599120,2cyclictest32234-21/usr/sbin/munin09:35:173
1860599120,1cyclictest21907-21memory10:05:163
1860599120,1cyclictest13975-21df09:55:143
1860599120,1cyclictest11446-21diskmemload10:43:393
1860599120,1cyclictest11446-21diskmemload09:44:203
1860599120,0cyclictest11446-21diskmemload12:33:513
1860599120,0cyclictest11446-21diskmemload12:33:503
1860599120,0cyclictest11446-21diskmemload11:11:453
1860599120,0cyclictest0-21swapper/311:21:113
1859599120,0cyclictest0-21swapper/209:30:112
1858499127,4cyclictest9-21ksoftirqd/009:10:140
1858499127,4cyclictest9-21ksoftirqd/009:10:130
18584991212,0cyclictest9-21ksoftirqd/012:20:100
18584991212,0cyclictest9-21ksoftirqd/010:08:170
18584991212,0cyclictest9-21ksoftirqd/008:40:000
18584991211,1cyclictest9-21ksoftirqd/012:05:120
18584991211,1cyclictest9-21ksoftirqd/011:20:000
18584991211,1cyclictest9-21ksoftirqd/011:00:570
18584991211,1cyclictest9-21ksoftirqd/010:55:000
18584991211,1cyclictest9-21ksoftirqd/007:25:010
18584991210,1cyclictest9-21ksoftirqd/012:30:010
18584991210,1cyclictest9-21ksoftirqd/011:20:150
18584991210,1cyclictest9-21ksoftirqd/011:05:230
18584991210,1cyclictest9-21ksoftirqd/009:45:000
18584991210,1cyclictest9-21ksoftirqd/007:15:000
18584991210,0cyclictest9-21ksoftirqd/010:24:590
1860599115,5cyclictest1029-21snmpd07:27:483
1860599112,8cyclictest11446-21diskmemload12:26:353
1860599111,10cyclictest0-21swapper/309:50:143
1860599110,1cyclictest30235-21df08:40:143
1860599110,1cyclictest15931-21df_inode11:25:133
1860599110,1cyclictest0-21swapper/312:36:033
1860599110,1cyclictest0-21swapper/312:03:303
1860599110,1cyclictest0-21swapper/309:45:023
1860599110,1cyclictest0-21swapper/309:10:143
1860599110,1cyclictest0-21swapper/309:10:133
1860599110,0cyclictest11446-21diskmemload10:11:443
1860599110,0cyclictest0-21swapper/310:51:133
1859599119,1cyclictest28-21ksoftirqd/211:05:192
18595991111,0cyclictest28-21ksoftirqd/209:25:482
18595991110,1cyclictest28-21ksoftirqd/212:25:002
18595991110,1cyclictest28-21ksoftirqd/209:50:172
18595991110,1cyclictest28-21ksoftirqd/209:10:212
18595991110,1cyclictest28-21ksoftirqd/209:10:202
1858499119,1cyclictest9-21ksoftirqd/012:35:140
1858499119,1cyclictest9-21ksoftirqd/010:45:120
1858499119,1cyclictest9-21ksoftirqd/009:20:110
1858499119,1cyclictest9-21ksoftirqd/008:35:000
1858499119,1cyclictest9-21ksoftirqd/008:10:110
1858499119,1cyclictest9-21ksoftirqd/008:00:190
18584991111,0cyclictest9-21ksoftirqd/008:44:590
18584991111,0cyclictest9-21ksoftirqd/008:10:000
18584991110,1cyclictest9-21ksoftirqd/012:10:160
18584991110,1cyclictest9-21ksoftirqd/011:30:170
327612100,0sleep10-21swapper/111:05:011
1860599103,6cyclictest16900-21expr12:10:143
1860599101,2cyclictest21832-21seq11:33:023
1860599101,0cyclictest24208-21apt-get07:20:113
1860599100,1cyclictest4372-21hddtemp_smartct07:45:143
1860599100,1cyclictest27911-21ssh10:56:393
1860599100,1cyclictest240-21systemd-journal08:30:003
1860599100,1cyclictest240-21systemd-journal07:39:593
1860599100,1cyclictest19918-21ntpq07:10:173
1860599100,1cyclictest17248-21cat09:15:223
1860599100,1cyclictest0-21swapper/312:21:033
1859599109,1cyclictest28-21ksoftirqd/211:55:232
1859599109,1cyclictest28-21ksoftirqd/210:43:052
1859599109,1cyclictest28-21ksoftirqd/210:29:272
1859599109,1cyclictest28-21ksoftirqd/209:24:512
1859599109,1cyclictest28-21ksoftirqd/209:15:122
1859599109,1cyclictest28-21ksoftirqd/208:50:002
1859599108,1cyclictest28-21ksoftirqd/210:10:012
1859599108,1cyclictest28-21ksoftirqd/210:02:092
1859599108,1cyclictest28-21ksoftirqd/207:50:132
18595991010,0cyclictest28-21ksoftirqd/212:37:152
18595991010,0cyclictest28-21ksoftirqd/209:35:152
1858799100,3cyclictest0-21swapper/108:20:091
1858499109,1cyclictest9-21ksoftirqd/009:35:200
1858499109,1cyclictest9-21ksoftirqd/008:20:080
1858499109,1cyclictest9-21ksoftirqd/008:20:010
1858499109,1cyclictest9-21ksoftirqd/007:30:110
1858499108,1cyclictest9-21ksoftirqd/008:50:220
1858499108,1cyclictest9-21ksoftirqd/008:25:190
1858499108,1cyclictest9-21ksoftirqd/007:40:170
18584991010,0cyclictest9-21ksoftirqd/007:55:130
186059993,5cyclictest1029-21snmpd08:01:223
186059992,6cyclictest31845-21cron08:45:003
186059992,1cyclictest23024-21awk07:15:173
186059992,1cyclictest23024-21awk07:15:173
186059990,1cyclictest240-21systemd-journal08:55:003
186059990,1cyclictest240-21systemd-journal08:25:013
186059990,1cyclictest240-21systemd-journal08:15:003
186059990,1cyclictest240-21systemd-journal08:09:563
186059990,1cyclictest240-21systemd-journal07:54:543
186059990,1cyclictest0-21swapper/312:17:583
186059990,1cyclictest0-21swapper/310:35:183
185959999,0cyclictest28-21ksoftirqd/211:20:162
185959999,0cyclictest28-21ksoftirqd/210:20:002
185959998,1cyclictest28-21ksoftirqd/212:14:232
185959998,1cyclictest28-21ksoftirqd/211:51:052
185959998,1cyclictest28-21ksoftirqd/211:30:182
185959998,1cyclictest28-21ksoftirqd/211:18:502
185959998,1cyclictest28-21ksoftirqd/210:45:152
185959998,1cyclictest28-21ksoftirqd/210:36:382
185959998,1cyclictest28-21ksoftirqd/207:55:152
185959997,1cyclictest28-21ksoftirqd/211:35:152
185959997,1cyclictest28-21ksoftirqd/207:30:012
185879990,4cyclictest0-21swapper/111:15:111
185849998,1cyclictest9-21ksoftirqd/007:50:140
186059982,1cyclictest9602-21awk07:55:193
186059982,1cyclictest1344-21aten_r1power_vo07:40:143
186059981,1cyclictest4583-21apt-get08:55:133
186059981,1cyclictest27364-21apt-get08:35:123
186059980,1cyclictest28913-21apt-get07:30:123
185959988,0cyclictest28-21ksoftirqd/212:25:092
185959988,0cyclictest28-21ksoftirqd/212:05:502
185959988,0cyclictest28-21ksoftirqd/210:30:152
185959988,0cyclictest28-21ksoftirqd/209:56:142
185959988,0cyclictest28-21ksoftirqd/209:48:282
185959988,0cyclictest28-21ksoftirqd/209:43:002
185959988,0cyclictest0-21swapper/208:25:362
185959987,1cyclictest28-21ksoftirqd/211:25:152
185959987,1cyclictest28-21ksoftirqd/208:39:592
185959987,1cyclictest28-21ksoftirqd/208:00:202
185959987,1cyclictest11039-21users09:05:192
185959986,1cyclictest28-21ksoftirqd/207:15:142
185959986,1cyclictest28-21ksoftirqd/207:15:132
185959986,1cyclictest1029-21snmpd12:03:292
185879980,5cyclictest0-21swapper/112:30:141
185879980,5cyclictest0-21swapper/112:30:131
185879980,5cyclictest0-21swapper/108:35:011
185879980,3cyclictest0-21swapper/110:40:501
185879980,3cyclictest0-21swapper/107:35:111
185879980,1cyclictest0-21swapper/109:13:201
185879980,1cyclictest0-21swapper/109:13:191
185959977,0cyclictest28-21ksoftirqd/212:32:142
185959977,0cyclictest28-21ksoftirqd/212:32:132
185959977,0cyclictest28-21ksoftirqd/210:50:402
185959976,1cyclictest61650irq/122-eno110:10:102
185959976,1cyclictest3036-21kworker/2:007:10:202
185959976,1cyclictest28-21ksoftirqd/211:45:122
185959976,1cyclictest28-21ksoftirqd/211:40:022
185959976,1cyclictest28-21ksoftirqd/210:20:412
185959975,1cyclictest61650irq/122-eno108:05:142
185959975,1cyclictest1029-21snmpd11:00:422
185959970,7cyclictest0-21swapper/211:12:262
185959970,5cyclictest8359-21/usr/sbin/munin09:00:212
185879971,6cyclictest0-21swapper/108:51:021
185879970,6cyclictest0-21swapper/107:40:291
185879970,4cyclictest0-21swapper/109:45:341
185879970,3cyclictest0-21swapper/111:50:121
185879970,3cyclictest0-21swapper/109:55:311
185879970,3cyclictest0-21swapper/108:45:121
185879970,2cyclictest0-21swapper/111:35:441
185879970,2cyclictest0-21swapper/111:07:031
185879970,2cyclictest0-21swapper/110:00:311
185879970,2cyclictest0-21swapper/109:42:031
185879970,1cyclictest0-21swapper/110:31:001
185879970,1cyclictest0-21swapper/110:26:521
185959966,0cyclictest61650irq/122-eno108:50:152
185959966,0cyclictest61650irq/122-eno108:20:082
185959966,0cyclictest61650irq/122-eno107:35:122
185959966,0cyclictest61650irq/122-eno107:30:132
185959966,0cyclictest28-21ksoftirqd/208:16:572
185959966,0cyclictest28-21ksoftirqd/208:10:152
185959965,1cyclictest1029-21snmpd07:24:302
185959964,1cyclictest61650irq/122-eno110:55:122
185959964,1cyclictest28-21ksoftirqd/208:55:132
185959964,1cyclictest28-21ksoftirqd/208:40:172
185959960,6cyclictest0-21swapper/208:30:122
185879966,0cyclictest0-21swapper/110:38:151
185879962,2cyclictest0-21swapper/109:25:121
185879961,4cyclictest0-21swapper/110:15:131
185879961,1cyclictest0-21swapper/112:04:561
185879961,1cyclictest0-21swapper/109:35:161
185879960,6cyclictest0-21swapper/112:36:491
185879960,6cyclictest0-21swapper/112:13:531
185879960,6cyclictest0-21swapper/108:43:021
185879960,5cyclictest0-21swapper/112:20:151
185879960,5cyclictest0-21swapper/107:15:121
185879960,5cyclictest0-21swapper/107:15:111
185879960,5cyclictest0-21swapper/107:10:441
185879960,4cyclictest0-21swapper/112:25:411
185879960,4cyclictest0-21swapper/111:30:171
185879960,3cyclictest0-21swapper/110:59:571
185879960,3cyclictest0-21swapper/110:47:071
185879960,3cyclictest0-21swapper/110:23:061
185879960,3cyclictest0-21swapper/109:05:151
185879960,3cyclictest0-21swapper/108:25:131
185879960,2cyclictest0-21swapper/111:55:201
185879960,2cyclictest0-21swapper/110:13:081
185879960,2cyclictest0-21swapper/109:22:431
185879960,0cyclictest0-21swapper/107:30:201
185879953,1cyclictest0-21swapper/107:50:001
185879951,4cyclictest0-21swapper/107:23:261
185879951,2cyclictest0-21swapper/111:25:161
185879951,2cyclictest0-21swapper/111:21:351
185879951,1cyclictest0-21swapper/109:30:101
185879950,5cyclictest0-21swapper/110:52:481
185879950,5cyclictest0-21swapper/108:30:351
185879950,4cyclictest0-21swapper/112:16:051
185879950,4cyclictest0-21swapper/108:55:171
185879950,4cyclictest0-21swapper/108:07:281
185879950,3cyclictest0-21swapper/109:15:131
185879950,2cyclictest0-21swapper/111:45:191
185879950,2cyclictest0-21swapper/111:40:291
185879950,2cyclictest0-21swapper/111:10:101
185879950,2cyclictest0-21swapper/107:50:141
185879950,1cyclictest0-21swapper/107:55:121
185879943,1cyclictest0-21swapper/110:05:131
185879941,2cyclictest0-21swapper/109:00:131
185879940,0cyclictest0-21swapper/108:01:321
185879931,1cyclictest0-21swapper/108:15:101
185879930,2cyclictest0-21swapper/108:10:091
185879930,1cyclictest0-21swapper/107:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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