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2026-05-16 - 20:36
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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 Sat May 16, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321142202147,42sleep20-21swapper/207:05:062
14992201162,27sleep30-21swapper/307:06:073
15422199161,25sleep10-21swapper/107:06:421
14642197160,24sleep00-21swapper/007:05:400
47322600,0sleep30-21swapper/310:47:193
1903991715,1cyclictest9-21ksoftirqd/010:00:000
70222160,0sleep20-21swapper/210:07:132
1903991615,1cyclictest9-21ksoftirqd/009:25:150
1920991512,2cyclictest20256-21diskstats12:35:143
1920991511,3cyclictest0-21swapper/309:40:133
190399159,1cyclictest9-21ksoftirqd/012:30:210
1903991514,1cyclictest9-21ksoftirqd/011:50:210
1903991513,1cyclictest9-21ksoftirqd/011:05:190
1903991513,1cyclictest9-21ksoftirqd/010:10:130
1903991513,1cyclictest9-21ksoftirqd/010:10:130
190399148,1cyclictest9-21ksoftirqd/009:20:150
190399147,6cyclictest9-21ksoftirqd/008:25:130
1903991413,1cyclictest9-21ksoftirqd/012:00:120
1903991413,1cyclictest9-21ksoftirqd/011:25:190
1903991413,1cyclictest9-21ksoftirqd/009:45:200
1903991413,1cyclictest9-21ksoftirqd/009:45:000
1903991413,1cyclictest9-21ksoftirqd/008:20:200
1903991413,1cyclictest9-21ksoftirqd/008:20:200
192099134,8cyclictest30063-21grep08:05:203
192099132,10cyclictest7517-21apt-get07:20:113
1920991313,0cyclictest0-21swapper/310:53:373
1920991311,2cyclictest23592-21python11:55:193
1920991311,2cyclictest0-21swapper/310:40:123
1920991311,1cyclictest7181-21ssh12:17:323
1920991310,2cyclictest16354-21diskstats10:20:143
190399135,7cyclictest9-21ksoftirqd/010:05:190
1903991312,1cyclictest9-21ksoftirqd/010:34:540
1903991312,1cyclictest9-21ksoftirqd/008:50:130
1903991311,1cyclictest9-21ksoftirqd/011:40:110
96332120,0sleep10-21swapper/107:25:001
192099129,2cyclictest31399-21aten_r1power_po09:15:133
192099125,6cyclictest17013-21ntpq12:30:183
192099122,9cyclictest21497-21ssh10:25:463
1920991211,1cyclictest35-21ksoftirqd/308:35:003
1920991210,2cyclictest30209-21ssh09:13:073
1920991210,1cyclictest4021-21ssh12:14:063
1920991210,1cyclictest17585-21ssh11:48:233
1920991210,1cyclictest0-21swapper/311:40:203
1920991210,1cyclictest0-21swapper/311:05:153
192099121,10cyclictest0-21swapper/312:05:123
192099121,10cyclictest0-21swapper/307:15:123
191199120,1cyclictest0-21swapper/209:58:032
190399129,3cyclictest9-21ksoftirqd/011:46:550
1903991211,1cyclictest9-21ksoftirqd/011:40:000
1903991211,1cyclictest9-21ksoftirqd/011:00:160
1903991211,1cyclictest9-21ksoftirqd/009:35:140
1903991211,1cyclictest9-21ksoftirqd/009:00:120
1903991211,1cyclictest9-21ksoftirqd/007:10:190
1903991210,2cyclictest9-21ksoftirqd/009:11:320
1903991210,1cyclictest9-21ksoftirqd/010:00:200
1903991210,1cyclictest9-21ksoftirqd/009:10:000
1903991210,1cyclictest9-21ksoftirqd/008:40:000
1903991210,1cyclictest9-21ksoftirqd/007:25:000
190399120,12cyclictest0-21swapper/011:55:110
192099119,2cyclictest32312-21ssh09:58:093
192099119,2cyclictest0-21swapper/310:01:393
192099119,1cyclictest308-21diskstats11:25:143
192099118,2cyclictest29059-21diskstats11:20:143
192099118,2cyclictest26590-21tail09:50:153
192099118,2cyclictest13949-21df11:00:133
192099116,4cyclictest10294-21runrttasks09:29:323
192099116,4cyclictest0-21swapper/308:25:193
192099112,1cyclictest6023-21ssh09:23:283
192099112,1cyclictest20237-21sh11:50:233
1920991110,1cyclictest27172-21diskmemload11:16:063
1920991110,1cyclictest0-21swapper/310:30:123
1920991110,1cyclictest0-21swapper/309:35:203
190399119,1cyclictest9-21ksoftirqd/012:40:000
190399115,1cyclictest9-21ksoftirqd/008:45:000
1903991111,0cyclictest9-21ksoftirqd/010:39:100
1903991110,1cyclictest9-21ksoftirqd/012:25:130
1903991110,1cyclictest9-21ksoftirqd/011:15:150
192099109,1cyclictest27172-21diskmemload10:56:463
192099109,1cyclictest0-21swapper/310:37:293
192099109,1cyclictest0-21swapper/308:49:593
192099109,1cyclictest0-21swapper/307:25:143
192099105,4cyclictest27172-21diskmemload11:11:363
192099104,5cyclictest0-21swapper/309:45:383
192099104,3cyclictest240-21systemd-journal07:12:273
192099103,7cyclictest0-21swapper/311:31:023
192099102,7cyclictest13528-21expr08:40:123
192099102,5cyclictest2373-21/usr/sbin/munin08:15:203
1920991010,0cyclictest0-21swapper/309:30:173
192099101,8cyclictest35-21ksoftirqd/310:15:563
192099101,6cyclictest9577-21ntp_states12:20:183
192099101,1cyclictest693-21runrttasks10:06:343
190399109,1cyclictest9-21ksoftirqd/012:20:120
190399109,1cyclictest9-21ksoftirqd/012:11:450
190399109,1cyclictest9-21ksoftirqd/010:20:140
190399109,1cyclictest9-21ksoftirqd/009:50:150
190399109,1cyclictest9-21ksoftirqd/009:16:140
190399109,1cyclictest9-21ksoftirqd/007:55:000
190399109,1cyclictest9-21ksoftirqd/007:30:010
190399108,1cyclictest9-21ksoftirqd/012:05:140
190399108,1cyclictest9-21ksoftirqd/010:50:120
190399108,1cyclictest9-21ksoftirqd/010:50:000
190399108,1cyclictest9-21ksoftirqd/010:45:000
190399108,1cyclictest9-21ksoftirqd/009:00:000
190399108,1cyclictest9-21ksoftirqd/008:20:000
190399108,1cyclictest9-21ksoftirqd/007:50:000
1903991010,0cyclictest9-21ksoftirqd/010:25:160
19209995,3cyclictest0-21swapper/310:10:493
19209995,3cyclictest0-21swapper/310:10:483
19209991,8cyclictest35-21ksoftirqd/312:27:043
19209991,8cyclictest35-21ksoftirqd/311:36:183
19209991,8cyclictest35-21ksoftirqd/309:05:103
19209991,8cyclictest35-21ksoftirqd/308:55:083
19209991,8cyclictest35-21ksoftirqd/308:35:263
19209991,8cyclictest35-21ksoftirqd/308:20:053
19209991,8cyclictest35-21ksoftirqd/308:20:043
19209991,8cyclictest35-21ksoftirqd/307:50:083
19209991,8cyclictest35-21ksoftirqd/307:45:443
19209991,8cyclictest35-21ksoftirqd/307:40:403
19209991,0cyclictest35-21ksoftirqd/312:00:023
19209991,0cyclictest35-21ksoftirqd/309:00:143
19209991,0cyclictest35-21ksoftirqd/308:50:003
19209991,0cyclictest35-21ksoftirqd/308:10:563
19209991,0cyclictest35-21ksoftirqd/307:55:403
19209991,0cyclictest35-21ksoftirqd/307:35:243
19209991,0cyclictest35-21ksoftirqd/307:30:203
19209991,0cyclictest0-21swapper/308:00:443
19119998,1cyclictest28-21ksoftirqd/210:40:002
19119995,3cyclictest1889-21cyclictest12:03:052
19119990,8cyclictest25045-21sh09:48:402
19119990,7cyclictest4247-21munin-node12:12:162
19119990,6cyclictest9804-21kworker/u8:211:10:042
19039998,1cyclictest9-21ksoftirqd/012:20:000
19039998,1cyclictest9-21ksoftirqd/011:00:000
19039998,1cyclictest9-21ksoftirqd/008:50:000
19039998,1cyclictest9-21ksoftirqd/008:10:150
19039998,1cyclictest9-21ksoftirqd/007:55:180
19039998,1cyclictest9-21ksoftirqd/007:40:170
19039997,1cyclictest9-21ksoftirqd/011:30:150
19039997,1cyclictest9-21ksoftirqd/009:30:140
19039997,1cyclictest9-21ksoftirqd/008:30:010
19039997,1cyclictest9-21ksoftirqd/007:15:000
19039991,4cyclictest15547-21/usr/sbin/munin10:20:000
19119987,1cyclictest9482-21ntp_states08:30:182
19119986,1cyclictest61650irq/122-eno110:44:362
19119986,1cyclictest61650irq/122-eno109:29:012
19119986,1cyclictest28-21ksoftirqd/209:35:002
19119984,2cyclictest240-21systemd-journal12:24:552
19119981,5cyclictest14638-21apt-get09:35:132
19119980,5cyclictest4239-21munin-run07:15:002
19049988,0cyclictest0-21swapper/108:40:321
19039988,0cyclictest9-21ksoftirqd/007:35:130
19039986,1cyclictest9-21ksoftirqd/011:20:200
19039986,1cyclictest9-21ksoftirqd/008:00:120
19039980,7cyclictest27172-21diskmemload11:13:030
19119976,1cyclictest61650irq/122-eno111:40:472
19119976,1cyclictest61650irq/122-eno111:15:112
19119976,1cyclictest61650irq/122-eno111:05:182
19119976,1cyclictest61650irq/122-eno111:01:012
19119976,1cyclictest61650irq/122-eno110:17:402
19119976,1cyclictest61650irq/122-eno108:56:142
19119976,1cyclictest61650irq/122-eno108:05:132
19119976,1cyclictest28-21ksoftirqd/207:25:002
19119976,0cyclictest61650irq/122-eno109:00:122
19119975,1cyclictest732-21cat11:25:152
19119975,1cyclictest61650irq/122-eno111:45:252
19119975,1cyclictest61650irq/122-eno111:35:122
19119975,1cyclictest61650irq/122-eno109:40:152
19119975,1cyclictest61650irq/122-eno109:15:182
19119975,1cyclictest2719-21ssh10:00:342
19119975,1cyclictest23263-21ssh10:30:082
19119973,3cyclictest0-21swapper/210:50:112
19119973,2cyclictest61650irq/122-eno112:05:592
19119973,2cyclictest240-21systemd-journal10:26:462
19119972,4cyclictest21657-21apt-get07:50:122
19119970,5cyclictest1747-21ntpd10:47:512
19049970,6cyclictest0-21swapper/112:31:501
19049970,4cyclictest0-21swapper/111:50:141
19049970,4cyclictest0-21swapper/109:15:161
19039976,1cyclictest9-21ksoftirqd/007:30:140
19039975,1cyclictest9-21ksoftirqd/008:05:160
19119966,0cyclictest61650irq/122-eno112:30:132
19119966,0cyclictest61650irq/122-eno112:25:172
19119966,0cyclictest61650irq/122-eno111:50:312
19119966,0cyclictest61650irq/122-eno110:55:132
19119966,0cyclictest61650irq/122-eno110:20:142
19119966,0cyclictest61650irq/122-eno110:11:312
19119966,0cyclictest61650irq/122-eno110:11:312
19119966,0cyclictest61650irq/122-eno109:11:232
19119966,0cyclictest61650irq/122-eno108:36:262
19119966,0cyclictest61650irq/122-eno108:25:122
19119966,0cyclictest61650irq/122-eno107:37:102
19119966,0cyclictest61650irq/122-eno107:25:182
19119965,1cyclictest61650irq/122-eno112:35:112
19119965,1cyclictest61650irq/122-eno109:20:162
19119965,1cyclictest61650irq/122-eno109:07:552
19119965,1cyclictest61650irq/122-eno107:45:162
19119965,1cyclictest4591-21ssh12:15:052
19119964,1cyclictest61650irq/122-eno108:10:202
19119964,1cyclictest61650irq/122-eno108:00:152
19119964,1cyclictest61650irq/122-eno107:55:192
19119963,2cyclictest28800-21grep11:20:142
19119960,6cyclictest0-21swapper/209:50:462
19119960,4cyclictest0-21swapper/208:20:122
19119960,4cyclictest0-21swapper/208:20:112
19119960,3cyclictest4066-21df_inode11:30:132
19119960,3cyclictest0-21swapper/211:56:032
19119960,3cyclictest0-21swapper/207:40:102
19049961,4cyclictest0-21swapper/107:55:181
19049961,3cyclictest0-21swapper/110:50:411
19049960,6cyclictest0-21swapper/108:36:431
19049960,5cyclictest0-21swapper/108:25:001
19049960,5cyclictest0-21swapper/108:25:001
19049960,3cyclictest0-21swapper/111:45:391
19049960,3cyclictest0-21swapper/110:06:401
19049960,3cyclictest0-21swapper/109:30:011
19049960,3cyclictest0-21swapper/108:55:221
19049960,2cyclictest0-21swapper/111:20:121
10269260,0sleep10-21swapper/112:20:381
25958250,1sleep10-21swapper/110:32:571
19119955,0cyclictest61650irq/122-eno108:40:102
19119955,0cyclictest61650irq/122-eno108:15:132
19119954,1cyclictest61650irq/122-eno108:45:202
19119953,1cyclictest61650irq/122-eno107:15:122
19119950,2cyclictest240-21systemd-journal07:30:132
19119950,1cyclictest17750-21/usr/sbin/munin08:50:132
19049955,0cyclictest0-21swapper/110:21:191
19049955,0cyclictest0-21swapper/109:05:171
19049951,3cyclictest0-21swapper/107:35:011
19049951,2cyclictest0-21swapper/111:56:201
19049950,5cyclictest0-21swapper/110:17:301
19049950,5cyclictest0-21swapper/109:14:561
19049950,5cyclictest0-21swapper/108:03:101
19049950,4cyclictest0-21swapper/110:41:391
19049950,4cyclictest0-21swapper/108:10:171
19049950,3cyclictest0-21swapper/112:05:181
19049950,3cyclictest0-21swapper/111:15:001
19049950,3cyclictest0-21swapper/109:51:151
19049950,3cyclictest0-21swapper/109:36:351
19049950,3cyclictest0-21swapper/109:00:121
19049950,3cyclictest0-21swapper/108:35:011
19049950,2cyclictest0-21swapper/111:25:121
19049950,2cyclictest0-21swapper/110:45:191
19049950,2cyclictest0-21swapper/110:10:131
19049950,2cyclictest0-21swapper/110:10:131
19049950,2cyclictest0-21swapper/109:55:101
19049950,2cyclictest0-21swapper/109:21:451
19049950,2cyclictest0-21swapper/107:35:201
19049950,1cyclictest0-21swapper/109:30:141
19049944,0cyclictest57-21kswapd012:00:091
19049943,1cyclictest171972sleep108:46:021
19049942,1cyclictest120382sleep112:25:021
19049942,1cyclictest0-21swapper/108:05:131
19049941,3cyclictest0-21swapper/110:55:201
19049941,2cyclictest0-21swapper/107:10:111
19049941,1cyclictest0-21swapper/112:35:051
19049940,3cyclictest0-21swapper/112:15:511
19049940,3cyclictest0-21swapper/112:10:141
19049940,3cyclictest0-21swapper/111:43:021
19049940,3cyclictest0-21swapper/111:18:511
19049940,3cyclictest0-21swapper/108:15:211
19049940,2cyclictest0-21swapper/111:06:271
19049940,2cyclictest0-21swapper/111:01:111
19049940,2cyclictest0-21swapper/109:40:291
19049940,2cyclictest0-21swapper/107:45:151
19049940,2cyclictest0-21swapper/107:40:101
19049940,2cyclictest0-21swapper/107:25:151
19049940,1cyclictest0-21swapper/111:30:391
19049940,1cyclictest0-21swapper/110:35:141
19049940,1cyclictest0-21swapper/110:01:351
19049940,1cyclictest0-21swapper/109:46:441
19049940,0cyclictest0-21swapper/111:35:201
19049940,0cyclictest0-21swapper/110:25:191
19049940,0cyclictest0-21swapper/107:50:141
19049940,0cyclictest0-21swapper/107:15:011
19049931,1cyclictest0-21swapper/108:50:111
19049931,1cyclictest0-21swapper/108:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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