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2026-07-20 - 15:47
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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 Mon Jul 20, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210452214162,26sleep30-21swapper/307:07:523
211792202166,23sleep10-21swapper/107:09:341
211112202163,26sleep20-21swapper/207:08:432
210122197159,25sleep00-21swapper/007:07:250
240032690,0sleep00-21swapper/009:21:210
21289992221,1cyclictest9-21ksoftirqd/009:59:590
21289991917,1cyclictest9-21ksoftirqd/007:15:000
21289991715,1cyclictest9-21ksoftirqd/009:30:130
21289991615,1cyclictest9-21ksoftirqd/010:25:160
21289991615,1cyclictest9-21ksoftirqd/010:15:480
21289991614,1cyclictest9-21ksoftirqd/011:00:120
21289991515,0cyclictest9-21ksoftirqd/012:23:540
21289991515,0cyclictest9-21ksoftirqd/010:59:480
21289991515,0cyclictest9-21ksoftirqd/010:40:160
21289991515,0cyclictest9-21ksoftirqd/010:08:130
21289991515,0cyclictest9-21ksoftirqd/008:00:130
21289991515,0cyclictest9-21ksoftirqd/007:57:590
21289991513,1cyclictest9-21ksoftirqd/007:30:150
21289991414,0cyclictest9-21ksoftirqd/012:25:380
21289991414,0cyclictest9-21ksoftirqd/010:31:020
21289991414,0cyclictest9-21ksoftirqd/010:04:290
21289991414,0cyclictest9-21ksoftirqd/009:44:520
21289991414,0cyclictest9-21ksoftirqd/008:50:130
21289991413,1cyclictest9-21ksoftirqd/012:20:010
21289991413,1cyclictest9-21ksoftirqd/009:46:380
21289991412,1cyclictest9-21ksoftirqd/010:25:010
21289991412,1cyclictest9-21ksoftirqd/009:20:000
21289991412,1cyclictest9-21ksoftirqd/007:10:100
2129499130,12cyclictest0-21swapper/108:40:181
2128999139,3cyclictest9-21ksoftirqd/009:10:010
21289991313,0cyclictest9-21ksoftirqd/010:11:330
21289991313,0cyclictest9-21ksoftirqd/009:35:160
21289991312,1cyclictest9-21ksoftirqd/011:40:100
21289991312,1cyclictest9-21ksoftirqd/007:47:300
21289991311,1cyclictest9-21ksoftirqd/012:00:000
21289991311,1cyclictest9-21ksoftirqd/011:25:010
21289991311,1cyclictest9-21ksoftirqd/011:15:140
21289991311,1cyclictest9-21ksoftirqd/010:55:000
21289991311,1cyclictest9-21ksoftirqd/010:45:120
21312991211,1cyclictest35-21ksoftirqd/309:40:013
2128999128,4cyclictest9-21ksoftirqd/008:35:120
2128999128,3cyclictest9-21ksoftirqd/012:03:200
2128999126,1cyclictest9-21ksoftirqd/009:25:160
21289991212,0cyclictest9-21ksoftirqd/010:37:370
21289991212,0cyclictest9-21ksoftirqd/009:50:170
21289991212,0cyclictest9-21ksoftirqd/007:40:110
21289991211,1cyclictest9-21ksoftirqd/012:10:120
21289991211,1cyclictest9-21ksoftirqd/011:53:100
21289991211,1cyclictest9-21ksoftirqd/011:45:130
21289991211,1cyclictest9-21ksoftirqd/008:25:000
21289991211,0cyclictest9-21ksoftirqd/012:05:110
21289991210,1cyclictest9-21ksoftirqd/012:30:150
21289991210,1cyclictest9-21ksoftirqd/011:30:150
21289991210,1cyclictest9-21ksoftirqd/011:15:000
21289991210,1cyclictest9-21ksoftirqd/011:05:190
21289991210,1cyclictest9-21ksoftirqd/009:00:000
21289991210,1cyclictest9-21ksoftirqd/008:10:010
21289991210,1cyclictest9-21ksoftirqd/007:29:590
2131299119,1cyclictest35-21ksoftirqd/309:45:003
2131299119,1cyclictest35-21ksoftirqd/308:15:003
2128999119,1cyclictest9-21ksoftirqd/011:35:130
2128999119,1cyclictest9-21ksoftirqd/009:05:010
2128999119,1cyclictest9-21ksoftirqd/008:45:150
2128999119,1cyclictest9-21ksoftirqd/008:15:130
2128999119,1cyclictest9-21ksoftirqd/007:35:140
21289991111,0cyclictest9-21ksoftirqd/012:35:000
21289991110,1cyclictest9-21ksoftirqd/009:10:110
2128999110,9cyclictest9-21ksoftirqd/008:10:200
2131299109,1cyclictest35-21ksoftirqd/312:00:003
2131299109,1cyclictest35-21ksoftirqd/308:45:003
2131299108,1cyclictest35-21ksoftirqd/310:50:153
2131299108,1cyclictest35-21ksoftirqd/309:35:013
2130699109,1cyclictest28-21ksoftirqd/211:00:002
2130699108,1cyclictest28-21ksoftirqd/207:29:592
2130699108,1cyclictest26664-21cron07:20:002
2130699106,3cyclictest21287-21cyclictest10:03:272
2130699100,10cyclictest0-21swapper/212:20:182
2128999109,1cyclictest9-21ksoftirqd/011:25:100
2128999109,1cyclictest9-21ksoftirqd/008:25:120
2128999109,1cyclictest9-21ksoftirqd/007:50:120
2128999108,1cyclictest9-21ksoftirqd/008:40:120
2128999108,1cyclictest9-21ksoftirqd/007:20:140
213129998,1cyclictest35-21ksoftirqd/310:35:003
213129998,1cyclictest35-21ksoftirqd/309:14:593
213129998,1cyclictest35-21ksoftirqd/308:00:013
213129997,1cyclictest35-21ksoftirqd/309:30:003
213129990,5cyclictest0-21swapper/310:17:003
213069998,1cyclictest28-21ksoftirqd/212:38:322
213069998,1cyclictest28-21ksoftirqd/211:15:002
213069997,1cyclictest28-21ksoftirqd/209:00:012
212899998,1cyclictest9-21ksoftirqd/008:30:120
213129987,1cyclictest35-21ksoftirqd/311:30:003
213129987,1cyclictest35-21ksoftirqd/308:34:593
213129986,1cyclictest35-21ksoftirqd/311:45:143
213129983,4cyclictest14557-21diskmemload09:15:203
213129980,4cyclictest4146-21apt-get07:40:123
213069987,1cyclictest28-21ksoftirqd/211:25:012
213069987,1cyclictest28-21ksoftirqd/210:20:122
213069987,1cyclictest28-21ksoftirqd/209:24:592
213069987,1cyclictest28-21ksoftirqd/208:35:012
213069986,1cyclictest61650irq/122-eno111:55:152
213069986,1cyclictest61650irq/122-eno110:39:592
213069986,1cyclictest61650irq/122-eno110:00:002
213069986,1cyclictest61650irq/122-eno109:45:012
213069986,1cyclictest28-21ksoftirqd/208:50:012
213069986,1cyclictest28-21ksoftirqd/208:45:012
213069980,4cyclictest14557-21diskmemload12:35:002
213069980,0cyclictest0-21swapper/211:08:582
27554270,0sleep10-21swapper/110:57:151
26835270,0sleep20-21swapper/212:27:282
213129976,1cyclictest35-21ksoftirqd/311:20:133
213129976,1cyclictest35-21ksoftirqd/311:10:013
213129976,1cyclictest35-21ksoftirqd/307:50:003
213129975,1cyclictest9778-21ssh12:04:243
213129975,1cyclictest27109-21ssh10:55:453
213129974,1cyclictest240-21systemd-journal12:09:563
213129973,3cyclictest13697-1kworker/u9:110:47:513
213129971,5cyclictest23855-21munin-node12:11:063
213129971,4cyclictest0-21swapper/311:15:133
213129971,3cyclictest10086-21apt-get09:00:113
213129970,1cyclictest0-21swapper/309:52:493
213069976,1cyclictest61650irq/122-eno111:50:112
213069976,1cyclictest61650irq/122-eno111:01:182
213069976,1cyclictest61650irq/122-eno109:53:132
213069976,1cyclictest61650irq/122-eno109:39:102
213069976,1cyclictest61650irq/122-eno109:16:172
213069976,1cyclictest28-21ksoftirqd/212:10:012
213069976,1cyclictest28-21ksoftirqd/210:50:132
213069976,1cyclictest28-21ksoftirqd/210:34:172
213069976,1cyclictest18219-21cat12:15:172
213069976,0cyclictest61650irq/122-eno111:15:032
213069976,0cyclictest61650irq/122-eno109:25:122
213069975,1cyclictest28-21ksoftirqd/209:45:012
213069975,1cyclictest28-21ksoftirqd/208:14:592
213069975,1cyclictest22797-21ssh10:05:132
213069975,1cyclictest12731-21ssh12:07:362
213069973,2cyclictest240-21systemd-journal10:49:112
213069970,4cyclictest240-21systemd-journal07:40:002
212949970,5cyclictest0-21swapper/110:31:591
212949970,4cyclictest0-21swapper/111:29:021
212949970,4cyclictest0-21swapper/109:00:011
7773260,2sleep10-21swapper/109:45:131
213129965,1cyclictest5306-21ssh11:10:473
213129965,1cyclictest35-21ksoftirqd/310:05:133
213129965,1cyclictest35-21ksoftirqd/308:40:013
213129965,1cyclictest28521-21ssh10:13:563
213129965,1cyclictest28078-21ntpq07:20:173
213129965,1cyclictest17805-21ssh09:58:433
213129965,1cyclictest17176-21ssh10:42:543
213129965,1cyclictest14557-21diskmemload12:21:023
213129965,1cyclictest13949-21ssh10:38:563
213129964,1cyclictest27869-21ssh12:30:023
213129964,1cyclictest27444-21ssh11:43:083
213129964,1cyclictest24712-21/usr/sbin/munin07:15:133
213129964,1cyclictest22758-21cut09:20:163
213129964,1cyclictest14572-21sed08:00:143
213129963,1cyclictest14557-21diskmemload10:00:053
213129963,1cyclictest13650irq/124-ahci[0011:55:003
213129962,1cyclictest23415-21taskset08:20:053
213129960,4cyclictest240-21systemd-journal07:28:523
213129960,2cyclictest0-21swapper/311:35:123
213129960,2cyclictest0-21swapper/311:34:323
213129960,2cyclictest0-21swapper/310:26:133
213129960,1cyclictest0-21swapper/312:25:203
213129960,1cyclictest0-21swapper/312:15:133
213069966,0cyclictest61650irq/122-eno111:45:242
213069966,0cyclictest61650irq/122-eno111:41:182
213069966,0cyclictest61650irq/122-eno111:35:032
213069966,0cyclictest61650irq/122-eno110:25:592
213069966,0cyclictest61650irq/122-eno110:15:202
213069966,0cyclictest61650irq/122-eno110:10:122
213069966,0cyclictest61650irq/122-eno109:10:142
213069966,0cyclictest61650irq/122-eno109:05:172
213069966,0cyclictest61650irq/122-eno109:04:422
213069966,0cyclictest61650irq/122-eno108:54:592
213069966,0cyclictest61650irq/122-eno108:22:352
213069966,0cyclictest61650irq/122-eno108:00:002
213069966,0cyclictest61650irq/122-eno107:11:012
213069966,0cyclictest0-21swapper/212:01:212
213069965,1cyclictest61650irq/122-eno109:30:012
213069965,1cyclictest31638-21ntpq08:35:182
213069965,1cyclictest14949-21ntpq08:00:182
213069965,0cyclictest61650irq/122-eno111:25:122
213069965,0cyclictest61650irq/122-eno110:40:122
213069964,1cyclictest61650irq/122-eno107:30:122
213069964,1cyclictest28643-21unixbench_singl07:20:222
213069964,1cyclictest26950-21ntpq08:25:192
213069963,1cyclictest4144-21apt07:40:102
213069961,4cyclictest22458-21python08:15:212
213069960,6cyclictest0-21swapper/207:50:202
213069960,4cyclictest0-21swapper/211:30:002
212949965,1cyclictest0-21swapper/112:27:551
212949960,6cyclictest0-21swapper/110:25:181
212949960,6cyclictest0-21swapper/110:02:371
212949960,6cyclictest0-21swapper/108:10:391
212949960,5cyclictest0-21swapper/111:20:201
212949960,4cyclictest0-21swapper/109:56:591
212949960,4cyclictest0-21swapper/109:16:321
212949960,2cyclictest0-21swapper/110:45:111
212949960,2cyclictest0-21swapper/109:40:231
212949960,2cyclictest0-21swapper/107:35:101
212949960,1cyclictest0-21swapper/107:10:111
212949960,0cyclictest0-21swapper/109:24:241
1014260,1sleep10-21swapper/112:36:041
213129954,1cyclictest35-21ksoftirqd/309:45:013
213129954,1cyclictest21940-21cat08:15:163
213129952,2cyclictest14557-21diskmemload12:35:123
213129952,2cyclictest14557-21diskmemload11:00:173
213129951,3cyclictest0-21swapper/307:30:113
213129951,2cyclictest32695-21apt-get10:20:123
213129951,2cyclictest0-21swapper/308:45:153
213129950,4cyclictest14559-21latency_hist09:10:013
213129950,4cyclictest10984-21latency_hist07:55:003
213129950,3cyclictest17706-21/usr/sbin/munin08:05:203
213129950,3cyclictest0-21swapper/308:55:133
213129950,3cyclictest0-21swapper/308:50:013
213129950,2cyclictest28042-21latency_hist08:29:593
213069953,1cyclictest7249-21grep07:45:152
213069950,1cyclictest0-21swapper/208:05:202
212949955,0cyclictest0-21swapper/112:13:521
212949955,0cyclictest0-21swapper/111:56:201
212949953,1cyclictest0-21swapper/108:00:111
212949951,2cyclictest0-21swapper/110:50:111
212949950,5cyclictest0-21swapper/107:59:311
212949950,5cyclictest0-21swapper/107:48:181
212949950,5cyclictest0-21swapper/107:25:521
212949950,4cyclictest0-21swapper/111:43:481
212949950,4cyclictest0-21swapper/111:10:171
212949950,4cyclictest0-21swapper/110:15:091
212949950,4cyclictest0-21swapper/109:26:011
212949950,4cyclictest0-21swapper/108:10:001
212949950,3cyclictest0-21swapper/112:30:121
212949950,3cyclictest0-21swapper/112:06:341
212949950,3cyclictest0-21swapper/111:50:481
212949950,2cyclictest0-21swapper/112:19:201
212949950,2cyclictest0-21swapper/111:45:121
212949950,2cyclictest0-21swapper/111:30:401
212949950,2cyclictest0-21swapper/109:35:181
212949950,1cyclictest0-21swapper/110:38:401
212949950,1cyclictest0-21swapper/109:51:401
212949950,1cyclictest0-21swapper/109:34:221
212949950,0cyclictest0-21swapper/111:16:231
212949950,0cyclictest0-21swapper/111:02:591
24900240,0sleep10-21swapper/107:15:151
213129942,1cyclictest693-21runrttasks07:14:173
213129940,1cyclictest0-21swapper/307:35:113
212949943,1cyclictest23672sleep110:21:221
212949943,1cyclictest22644-21chrt12:20:211
212949942,1cyclictest169562sleep110:42:131
212949942,1cyclictest0-21swapper/109:00:171
212949941,1cyclictest0-21swapper/108:25:221
212949940,4cyclictest0-21swapper/108:15:201
212949940,3cyclictest0-21swapper/111:06:331
212949940,3cyclictest0-21swapper/110:10:441
212949940,3cyclictest0-21swapper/109:05:201
212949940,3cyclictest0-21swapper/107:40:181
212949940,2cyclictest0-21swapper/112:02:221
212949940,2cyclictest0-21swapper/111:35:171
212949940,1cyclictest0-21swapper/110:05:011
212949940,1cyclictest0-21swapper/108:50:121
212949940,1cyclictest0-21swapper/108:30:091
212949940,0cyclictest0-21swapper/109:11:111
212949931,1cyclictest0-21swapper/108:45:121
212949931,0cyclictest0-21swapper/107:30:131
212949930,1cyclictest0-21swapper/108:35:121
212949930,1cyclictest0-21swapper/108:20:161
212949930,1cyclictest0-21swapper/107:20:101
212949930,0cyclictest0-21swapper/107:50:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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