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2026-07-07 - 00:10
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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 Mon Jul 06, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29622218153,22sleep00-21swapper/007:08:080
27942214149,23sleep30-21swapper/307:05:583
30202201162,26sleep10-21swapper/107:08:541
29272201162,24sleep20-21swapper/207:07:432
306422550,0sleep30-21swapper/312:09:493
131772220,0sleep10-21swapper/111:45:131
3185991616,0cyclictest28-21ksoftirqd/211:56:392
317699150,1cyclictest16460-21sensors09:35:180
317699140,0cyclictest0-21swapper/007:50:130
3185991313,0cyclictest28-21ksoftirqd/212:33:392
3185991313,0cyclictest28-21ksoftirqd/211:52:272
317699130,1cyclictest28459-21diskmemload12:30:200
3185991212,0cyclictest28-21ksoftirqd/212:00:232
3185991210,1cyclictest28-21ksoftirqd/210:53:142
3185991210,1cyclictest28-21ksoftirqd/210:15:162
3185991210,1cyclictest28-21ksoftirqd/207:15:002
317699121,2cyclictest12097-21sendmail11:00:000
317699120,1cyclictest28459-21diskmemload12:27:250
317699120,1cyclictest17465-21fschecks_time12:35:140
317699120,1cyclictest1372-21wc09:15:210
317699120,0cyclictest0-21swapper/010:35:120
3185991111,0cyclictest28-21ksoftirqd/209:50:102
3185991110,1cyclictest28-21ksoftirqd/211:25:082
3185991110,1cyclictest28-21ksoftirqd/211:21:032
3185991110,1cyclictest28-21ksoftirqd/211:05:582
3185991110,1cyclictest28-21ksoftirqd/210:15:002
3185991110,1cyclictest28-21ksoftirqd/210:00:192
3185991110,1cyclictest28-21ksoftirqd/209:55:132
3185991110,0cyclictest28-21ksoftirqd/212:20:152
317699115,5cyclictest11299-21ssh09:30:120
317699112,4cyclictest28459-21diskmemload12:14:590
317699112,1cyclictest32657-21aten2.4-expect08:10:120
317699111,9cyclictest5996-21ssh10:05:180
317699111,3cyclictest27662-21cpuspeed_turbos12:05:150
317699111,0cyclictest28459-21diskmemload10:20:100
317699110,2cyclictest23011-21ssh10:30:140
317699110,1cyclictest0-21swapper/009:24:320
318599109,1cyclictest28-21ksoftirqd/212:06:182
318599109,1cyclictest28-21ksoftirqd/211:30:182
318599109,1cyclictest28-21ksoftirqd/210:45:192
318599109,1cyclictest28-21ksoftirqd/210:35:142
318599109,1cyclictest28-21ksoftirqd/210:28:542
318599109,1cyclictest28-21ksoftirqd/209:21:252
318599108,1cyclictest28-21ksoftirqd/211:36:202
318599108,1cyclictest28-21ksoftirqd/209:41:052
318599108,1cyclictest28-21ksoftirqd/209:16:482
3185991010,0cyclictest28-21ksoftirqd/212:14:512
318599100,10cyclictest0-21swapper/207:40:112
317699105,4cyclictest23368-21ssh11:59:530
317699103,0cyclictest28459-21diskmemload11:34:250
317699102,0cyclictest28459-21diskmemload10:50:260
317699102,0cyclictest28459-21diskmemload09:42:150
317699101,0cyclictest28459-21diskmemload12:18:110
317699101,0cyclictest28459-21diskmemload11:38:160
317699100,2cyclictest240-21systemd-journal10:50:010
317699100,1cyclictest25489-21runrttasks11:16:090
317699100,0cyclictest28459-21diskmemload11:50:420
317699100,0cyclictest0-21swapper/012:22:330
31949992,3cyclictest0-21swapper/309:41:303
31859999,0cyclictest28-21ksoftirqd/212:15:142
31859999,0cyclictest28-21ksoftirqd/210:20:522
31859998,1cyclictest28-21ksoftirqd/212:37:542
31859998,1cyclictest28-21ksoftirqd/211:45:262
31859998,1cyclictest28-21ksoftirqd/211:40:192
31859998,1cyclictest28-21ksoftirqd/211:10:592
31859998,1cyclictest28-21ksoftirqd/211:00:572
31859998,1cyclictest28-21ksoftirqd/210:34:512
31859998,1cyclictest28-21ksoftirqd/209:30:422
31859998,1cyclictest28-21ksoftirqd/209:10:162
31859998,1cyclictest28-21ksoftirqd/209:09:592
31859998,1cyclictest28-21ksoftirqd/208:25:142
31859998,1cyclictest28-21ksoftirqd/208:15:122
31859998,1cyclictest28-21ksoftirqd/207:50:212
31859998,0cyclictest28-21ksoftirqd/209:25:062
31859997,1cyclictest28-21ksoftirqd/212:25:152
31859997,1cyclictest28-21ksoftirqd/211:15:362
31859997,1cyclictest28-21ksoftirqd/208:35:112
31859997,1cyclictest28-21ksoftirqd/208:05:172
31769996,3cyclictest745-21lldpd07:55:550
31769993,1cyclictest32727-21ssh09:58:530
31769992,1cyclictest28744-21basename09:10:130
31769992,1cyclictest14021-21ntp_states11:45:170
31769991,1cyclictest240-21systemd-journal08:21:110
31769991,0cyclictest28459-21diskmemload09:45:410
31769990,4cyclictest19849-21aten_r1power_en11:10:120
31769990,1cyclictest240-21systemd-journal09:30:000
31769990,1cyclictest240-21systemd-journal09:00:000
31769990,1cyclictest240-21systemd-journal08:40:010
31769990,1cyclictest240-21systemd-journal08:05:400
31769990,1cyclictest240-21systemd-journal07:20:000
31769990,1cyclictest0-21swapper/011:05:100
31769990,0cyclictest28459-21diskmemload09:53:420
31769990,0cyclictest0-21swapper/010:01:050
9753280,0sleep10-21swapper/109:26:431
31949986,1cyclictest29351-21sh10:38:503
31949983,4cyclictest28459-21diskmemload09:32:433
31949982,3cyclictest0-21swapper/312:35:143
31949982,2cyclictest13524-21apt-get07:30:103
31949981,6cyclictest12825-21apt-get11:45:113
31949981,3cyclictest0-21swapper/312:30:113
31949980,6cyclictest0-21swapper/310:34:053
31949980,5cyclictest28459-21diskmemload09:16:203
31949980,5cyclictest0-21swapper/311:22:563
31949980,3cyclictest0-21swapper/311:40:103
31859988,0cyclictest28-21ksoftirqd/210:05:102
31859988,0cyclictest28-21ksoftirqd/209:00:012
31859987,1cyclictest28-21ksoftirqd/210:42:252
31859987,1cyclictest28-21ksoftirqd/209:45:132
31859987,1cyclictest28-21ksoftirqd/209:35:062
31859987,1cyclictest28-21ksoftirqd/208:20:132
31859987,1cyclictest28-21ksoftirqd/208:00:122
31859987,1cyclictest28-21ksoftirqd/207:45:212
31859987,1cyclictest28-21ksoftirqd/207:25:012
31859983,5cyclictest3174-21cyclictest10:56:082
31859980,4cyclictest0-21swapper/207:55:132
31779980,7cyclictest0-21swapper/107:10:141
31769985,3cyclictest9716-21ssh11:40:130
31769982,1cyclictest31510-21sed11:25:150
31769982,1cyclictest21238-21cut07:45:140
31769980,4cyclictest0-21swapper/010:13:490
31769980,3cyclictest28459-21diskmemload10:17:080
31769980,3cyclictest19149-21/usr/sbin/munin10:25:150
31769980,2cyclictest28457-21munin-run09:09:590
31769980,2cyclictest13300-21munin-run07:30:010
31769980,2cyclictest0-21swapper/008:15:120
31769980,1cyclictest240-21systemd-journal12:00:140
31769980,1cyclictest240-21systemd-journal08:51:260
31769980,1cyclictest240-21systemd-journal08:46:110
31769980,1cyclictest240-21systemd-journal08:42:250
31769980,1cyclictest240-21systemd-journal08:32:250
31769980,1cyclictest240-21systemd-journal07:20:240
31769980,1cyclictest0-21swapper/011:20:000
31769980,0cyclictest28459-21diskmemload10:43:330
31769980,0cyclictest0-21swapper/009:00:180
31949976,1cyclictest2784-21timerandwakeup10:45:203
31949975,1cyclictest28459-21diskmemload09:47:083
31949974,2cyclictest28459-21diskmemload11:16:263
31949973,2cyclictest240-21systemd-journal11:29:153
31949973,1cyclictest28459-21diskmemload10:50:063
31949973,1cyclictest28459-21diskmemload09:35:023
31949972,4cyclictest0-21swapper/309:14:483
31949971,3cyclictest22960-21apt-get07:50:123
31949971,1cyclictest19433-21taskset11:53:563
31949970,7cyclictest0-21swapper/310:08:103
31949970,5cyclictest0-21swapper/312:23:013
31949970,4cyclictest0-21swapper/310:13:323
31949970,2cyclictest27942-21taskset09:50:283
31949970,2cyclictest0-21swapper/310:21:533
31859976,1cyclictest28-21ksoftirqd/208:10:142
31859976,1cyclictest28-21ksoftirqd/207:30:102
31859973,2cyclictest240-21systemd-journal07:30:002
31859971,4cyclictest14646-21aten2.4-expect08:40:122
31779970,7cyclictest0-21swapper/109:50:151
31779970,7cyclictest0-21swapper/109:49:111
31779970,0cyclictest0-21swapper/110:10:151
31779970,0cyclictest0-21swapper/109:30:111
31769975,1cyclictest14256-21ssh11:00:390
31769973,0cyclictest0-21swapper/007:40:130
31769972,1cyclictest153762sleep007:31:430
31769970,4cyclictest0-21swapper/007:11:140
31769970,1cyclictest240-21systemd-journal08:04:100
31769970,1cyclictest240-21systemd-journal07:35:000
31949966,0cyclictest28459-21diskmemload11:30:033
31949965,1cyclictest23754-21ssh12:00:133
31949964,1cyclictest30040-21apt-get08:05:113
31949964,1cyclictest20553-21grep11:10:153
31949963,1cyclictest548-21systemd-logind10:40:183
31949963,1cyclictest240-21systemd-journal07:18:243
31949962,3cyclictest11171-21apt-get07:25:113
31949962,2cyclictest28459-21diskmemload12:15:553
31949962,1cyclictest240-21systemd-journal08:18:253
31949961,4cyclictest16187-21apt-get11:05:103
31949961,4cyclictest12180-21apt-get08:35:113
31949961,3cyclictest7470-21apt-get08:25:123
31949961,3cyclictest0-21swapper/308:50:123
31949960,3cyclictest0-21swapper/309:23:283
31949960,2cyclictest9511-21apt-get12:25:123
31949960,2cyclictest0-21swapper/311:01:453
31949960,2cyclictest0-21swapper/310:00:203
31949960,1cyclictest0-21swapper/312:13:513
31949960,1cyclictest0-21swapper/310:26:313
31949960,1cyclictest0-21swapper/307:45:123
31949960,0cyclictest28459-21diskmemload09:58:573
31859966,0cyclictest61650irq/122-eno108:30:102
31859966,0cyclictest28-21ksoftirqd/208:50:142
31859965,1cyclictest28-21ksoftirqd/207:35:122
31859964,1cyclictest28-21ksoftirqd/208:55:132
31859964,1cyclictest28-21ksoftirqd/208:45:142
31779966,0cyclictest21-21ksoftirqd/108:45:121
31779962,4cyclictest0-21swapper/112:02:151
31779961,3cyclictest0-21swapper/109:10:191
31779961,2cyclictest0-21swapper/112:36:591
31779961,2cyclictest0-21swapper/108:10:111
31779960,6cyclictest0-21swapper/110:34:201
31779960,5cyclictest0-21swapper/108:35:151
31779960,3cyclictest0-21swapper/111:02:451
31779960,3cyclictest0-21swapper/110:29:161
31779960,3cyclictest0-21swapper/109:55:021
31779960,3cyclictest0-21swapper/109:39:081
31779960,2cyclictest0-21swapper/112:25:131
31779960,1cyclictest0-21swapper/111:50:421
31769960,0cyclictest0-21swapper/008:25:170
31949953,1cyclictest26970-21unixbench_multi07:55:233
31949953,1cyclictest20309-21cpuspeed_turbos11:55:163
31949953,1cyclictest19653-21sensors_temp07:40:193
31949952,3cyclictest28459-21diskmemload09:25:183
31949952,0cyclictest0-21swapper/310:15:103
31949951,3cyclictest24891-21irqstats09:00:153
31949951,1cyclictest10331-21diskstats08:30:133
31949950,4cyclictest9648-21sed07:20:133
31949950,3cyclictest16907-21apt-get08:45:123
31949950,2cyclictest0-21swapper/310:55:143
31949950,1cyclictest240-21systemd-journal08:57:413
31949950,1cyclictest0-21swapper/308:10:123
31949950,0cyclictest0-21swapper/311:36:023
31949950,0cyclictest0-21swapper/308:40:203
31859955,0cyclictest61650irq/122-eno107:15:132
31779955,0cyclictest0-21swapper/111:15:501
31779955,0cyclictest0-21swapper/110:35:151
31779955,0cyclictest0-21swapper/107:35:581
31779955,0cyclictest0-21swapper/107:30:421
31779954,1cyclictest21-21ksoftirqd/112:14:521
31779953,0cyclictest0-21swapper/112:05:171
31779951,3cyclictest203-21jbd2/sda2-808:01:521
31779951,1cyclictest0-21swapper/110:41:411
31779950,5cyclictest203-21jbd2/sda2-808:51:551
31779950,5cyclictest0-21swapper/112:20:161
31779950,5cyclictest0-21swapper/110:05:171
31779950,5cyclictest0-21swapper/109:03:071
31779950,5cyclictest0-21swapper/107:44:461
31779950,5cyclictest0-21swapper/107:23:511
31779950,4cyclictest0-21swapper/108:35:001
31779950,3cyclictest0-21swapper/110:00:121
31779950,3cyclictest0-21swapper/109:43:261
31779950,2cyclictest0-21swapper/112:15:141
31779950,2cyclictest0-21swapper/111:55:311
31779950,2cyclictest0-21swapper/111:27:481
31779950,2cyclictest0-21swapper/111:10:111
31779950,2cyclictest0-21swapper/110:50:291
31779950,2cyclictest0-21swapper/109:23:531
31779950,2cyclictest0-21swapper/109:15:171
31779950,2cyclictest0-21swapper/108:20:201
31779950,1cyclictest0-21swapper/111:20:111
31779950,1cyclictest0-21swapper/111:05:011
31779950,1cyclictest0-21swapper/107:55:001
31779950,1cyclictest0-21swapper/107:15:011
31779950,0cyclictest0-21swapper/110:20:121
31779950,0cyclictest0-21swapper/110:15:091
31779950,0cyclictest0-21swapper/109:06:341
31949943,1cyclictest27228-21cat09:05:163
31949942,1cyclictest5581-21fschecks_time08:20:153
31949941,2cyclictest3397-21apt-get07:10:143
31949941,1cyclictest15641-21latency_hist07:35:003
31949940,1cyclictest27686-21apt-get08:00:103
31779944,0cyclictest0-21swapper/110:55:121
31779941,1cyclictest43732sleep108:16:331
31779941,1cyclictest0-21swapper/107:25:181
31779940,4cyclictest0-21swapper/108:07:101
31779940,3cyclictest0-21swapper/107:55:131
31779940,2cyclictest0-21swapper/111:40:131
31779940,2cyclictest0-21swapper/108:40:171
31779940,1cyclictest0-21swapper/112:30:421
31779940,1cyclictest0-21swapper/111:35:091
31779940,1cyclictest0-21swapper/111:30:041
31779940,1cyclictest0-21swapper/110:45:001
31779940,1cyclictest0-21swapper/108:55:141
31779940,1cyclictest0-21swapper/108:25:011
31779940,1cyclictest0-21swapper/107:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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