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2026-02-23 - 16:31
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot7.osadl.org (updated Mon Feb 23, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320319911828,80cyclictest0-21swapper/010:11:340
31193211825,72sleep30-21swapper/307:02:163
31193211825,72sleep30-21swapper/307:02:163
32031991154,34cyclictest22710-21/usr/sbin/munin11:22:060
32031991126,28cyclictest19209-21modprobe12:01:520
32031991113,32cyclictest352-21runrttasks12:08:280
32031991062,31cyclictest28304-21seq09:41:550
32031991053,25cyclictest13021-21fschecks_count09:16:540
320319910516,10cyclictest0-21swapper/008:11:530
32031991043,29cyclictest28292-21latency_hist10:36:340
32031991043,29cyclictest28292-21latency_hist10:36:340
2958921040,7sleep10-21swapper/110:37:101
2958921040,7sleep10-21swapper/110:37:101
32031991034,31cyclictest23733-21sh09:34:050
32031991034,31cyclictest23733-21sh09:34:050
320319910339,57cyclictest0-21swapper/011:33:490
320319910339,57cyclictest0-21swapper/011:33:490
32031991033,36cyclictest6059-21unixbench_singl10:52:110
32031991032,36cyclictest2288-21sshd07:12:020
3178221036,16sleep00-21swapper/007:05:180
3178221036,16sleep00-21swapper/007:05:180
320319910238,46cyclictest181rcu_preempt10:31:330
32031991023,35cyclictest30871-21latency_hist12:21:330
32031991023,33cyclictest10345-21fschecks_count07:36:540
32031991023,33cyclictest10345-21fschecks_count07:36:540
32031991023,25cyclictest4594-21sed09:56:360
3179321026,16sleep10-21swapper/107:05:271
3179321026,16sleep10-21swapper/107:05:271
32031991014,32cyclictest32189-21/usr/sbin/munin07:06:550
32031991013,35cyclictest16472-21latency_hist07:56:340
32031991013,34cyclictest4369-21latency_hist12:31:330
32031991013,32cyclictest7108-21fschecks_time07:26:530
320319910128,9cyclictest0-21swapper/010:36:540
320319910128,9cyclictest0-21swapper/010:36:540
320319910114,23cyclictest4994-21grep07:21:340
320409910069,8cyclictest181rcu_preempt10:51:522
32031991003,33cyclictest8203-21cut10:56:520
32031991003,33cyclictest20150-21ssh11:16:520
32031991003,33cyclictest19864-21fschecks_time10:21:540
32031991003,33cyclictest19864-21fschecks_time10:21:540
32031991003,32cyclictest7897-21ssh10:01:540
32031991003,19cyclictest4657-21apt-get09:57:000
32031991002,30cyclictest2679-21timerandwakeup08:52:070
3203199994,33cyclictest14969-21sed11:07:090
3203199994,33cyclictest14969-21sed11:07:090
3203199994,32cyclictest352-21runrttasks09:41:240
3203199993,35cyclictest5185-21/usr/sbin/munin12:32:030
3203199993,32cyclictest26082-21latency_hist08:26:340
3203199993,30cyclictest9569-21latency_hist09:11:340
3203199993,29cyclictest0-21swapper/011:46:440
32031999924,11cyclictest0-21swapper/011:52:050
3203199983,32cyclictest4428-21irqstats11:36:550
3203199983,31cyclictest15907-21/usr/sbin/munin11:56:470
3203199983,30cyclictest8752-21fschecks_time07:31:540
3203199983,30cyclictest8752-21fschecks_time07:31:540
3203199983,23cyclictest9584-21chrt11:46:200
3203199982,40cyclictest31287-21sort08:41:520
3203199982,33cyclictest662-21ls08:46:570
3203199982,33cyclictest200-21systemd-journal12:23:090
3203199982,33cyclictest200-21systemd-journal12:23:090
3203199982,32cyclictest4862-21sh09:01:300
32035999774,16cyclictest32020-21cyclictest08:01:551
32035999774,16cyclictest32020-21cyclictest08:01:551
32035999765,10cyclictest181rcu_preempt11:56:541
3203199974,31cyclictest13318-21/usr/sbin/munin07:46:550
3203199974,14cyclictest17095-21fschecks_count11:11:530
3203199974,14cyclictest17095-21fschecks_count11:11:530
32031999734,57cyclictest0-21swapper/010:41:540
3203199973,31cyclictest23224-21grep08:16:530
3203199972,31cyclictest13823-21cut10:11:530
32031999723,10cyclictest0-21swapper/012:12:510
32031999723,10cyclictest0-21swapper/012:12:510
3203199963,37cyclictest12534-21latency_hist09:16:330
32031999633,57cyclictest6486-21diskmemload09:21:530
3203199963,34cyclictest5549-21fschecks_count07:22:410
3203199963,34cyclictest21801-21latency_hist09:31:340
3203199963,33cyclictest12312-21processes07:42:040
3203199963,32cyclictest28620-21latency_hist11:31:330
3203199963,29cyclictest5113-21/usr/sbin/munin09:02:010
3203199962,31cyclictest17503-21tail07:57:090
3203199962,28cyclictest28261-21ls08:31:570
3203199962,28cyclictest28261-21ls08:31:570
32035999573,16cyclictest6486-21diskmemload12:31:531
3203199953,33cyclictest26243-21/usr/sbin/munin08:27:070
3203199953,27cyclictest11614-21ps11:02:050
3203199953,25cyclictest18385-21grep08:01:540
3203199953,25cyclictest18385-21grep08:01:540
3203199953,24cyclictest31331-21ssh09:46:560
3203199952,31cyclictest2035-21cpu10:46:470
3203199952,31cyclictest2035-21cpu10:46:470
3203199943,32cyclictest19778-21/usr/sbin/munin08:06:500
3203199943,32cyclictest19778-21/usr/sbin/munin08:06:500
3203199934,36cyclictest17086-21ssh10:17:000
3203199933,36cyclictest29484-21/usr/sbin/munin08:36:550
32040999175,10cyclictest32020-21cyclictest09:28:362
32035999176,9cyclictest19659-21kworker/u17:0-rpciod10:27:061
32035999060,21cyclictest24763-21sh12:11:331
32035998941,9cyclictest181rcu_preempt10:47:431
32035998941,9cyclictest181rcu_preempt10:47:431
32035998936,9cyclictest181rcu_preempt09:31:451
32035998936,9cyclictest181rcu_preempt09:31:451
32040998867,14cyclictest14299-21kworker/u17:2-writeback12:21:472
32040998867,14cyclictest14299-21kworker/u17:2-writeback12:21:472
32035998752,13cyclictest181rcu_preempt09:25:331
32040998665,11cyclictest0-21swapper/212:06:592
32035998663,14cyclictest1825-21ssh12:26:541
3089828610,35sleep20-21swapper/207:02:022
3089828610,35sleep20-21swapper/207:02:022
32035998566,13cyclictest277-21dbus-daemon12:21:321
32035998543,11cyclictest181rcu_preempt10:16:531
32035998442,31cyclictest2300-21grep08:51:571
32040998348,11cyclictest181rcu_preempt11:18:152
32035998363,15cyclictest20848-21kworker/u17:2+events_unbound10:01:311
32040998260,16cyclictest2629-21sh10:47:032
32040998260,16cyclictest2629-21sh10:47:032
32040998166,10cyclictest32020-21cyclictest11:46:422
32040998159,14cyclictest27852-21idleruntime-cro12:16:312
32040998159,14cyclictest27852-21idleruntime-cro12:16:312
32040998158,8cyclictest181rcu_preempt10:58:212
32035998156,8cyclictest181rcu_preempt09:56:341
32035998151,7cyclictest181rcu_preempt08:22:061
32040998066,7cyclictest0-21swapper/209:56:532
32040998047,13cyclictest19153-21apt-get12:01:542
32040998038,15cyclictest0-21swapper/207:54:152
32035998067,7cyclictest0-21swapper/108:06:531
32035998067,7cyclictest0-21swapper/108:06:531
32035998065,11cyclictest32020-21cyclictest11:32:081
32035998065,11cyclictest32020-21cyclictest11:32:081
32035998062,11cyclictest30289-21kworker/u17:3-rpciod11:06:491
32035998062,11cyclictest30289-21kworker/u17:3-rpciod11:06:491
32040997958,8cyclictest181rcu_preempt07:17:082
32040997951,21cyclictest22543-21kworker/u19:1+nfsiod10:40:112
32040997951,21cyclictest22543-21kworker/u19:1+nfsiod10:40:112
32040997946,24cyclictest10090-21tune2fs09:11:542
32040997940,11cyclictest181rcu_preempt10:04:102
32040997932,9cyclictest181rcu_preempt08:26:462
32035997961,13cyclictest544-21cron10:13:311
32035997957,10cyclictest181rcu_preempt12:14:371
32035997957,10cyclictest181rcu_preempt12:14:371
32040997858,15cyclictest20848-21kworker/u17:2+events_unbound08:46:312
32040997830,21cyclictest0-21swapper/211:22:042
32040997829,9cyclictest181rcu_preempt12:26:542
32035997858,10cyclictest0-21swapper/108:32:081
32035997858,10cyclictest0-21swapper/108:32:081
32035997856,9cyclictest31-21ksoftirqd/108:42:351
32035997849,17cyclictest181rcu_preempt11:11:591
32035997849,17cyclictest181rcu_preempt11:11:591
32035997845,7cyclictest181rcu_preempt09:49:491
32035997837,19cyclictest0-21swapper/108:31:341
32035997762,9cyclictest11757-21ssh09:14:351
32035997762,10cyclictest32020-21cyclictest10:52:111
32035997760,13cyclictest32020-21cyclictest07:06:591
32035997759,9cyclictest0-21swapper/108:57:061
32035997759,9cyclictest0-21swapper/107:22:411
32035997758,9cyclictest0-21swapper/107:42:061
32040997661,8cyclictest0-21swapper/211:33:232
32040997661,8cyclictest0-21swapper/211:33:232
32040997650,11cyclictest181rcu_preempt11:26:572
32040997637,8cyclictest181rcu_preempt07:22:412
32040997629,12cyclictest181rcu_preempt08:07:082
32040997629,12cyclictest181rcu_preempt08:07:082
32035997662,9cyclictest25704-21sh10:31:531
32035997662,9cyclictest25704-21sh10:31:531
32035997653,8cyclictest181rcu_preempt10:11:261
32035997652,12cyclictest181rcu_preempt10:46:181
32035997628,8cyclictest181rcu_preempt09:01:471
32040997553,7cyclictest181rcu_preempt08:21:462
32035997561,9cyclictest13735-21ssh11:06:341
32035997558,8cyclictest0-21swapper/108:37:081
32035997555,10cyclictest0-21swapper/107:56:551
32035997554,8cyclictest181rcu_preempt11:20:511
32040997437,8cyclictest181rcu_preempt11:40:172
32040997428,12cyclictest181rcu_preempt09:51:562
32035997454,13cyclictest26972-21kworker/u17:1-rpciod11:01:061
32035997454,13cyclictest18591-21kworker/u17:0-ext4-rsv-conversion12:06:351
32035997446,8cyclictest181rcu_preempt09:20:331
32040997353,14cyclictest19676-21snmpd10:23:092
32040997353,14cyclictest19676-21snmpd10:23:092
32040997338,12cyclictest181rcu_preempt10:30:412
32040997332,8cyclictest181rcu_preempt11:56:572
32035997357,10cyclictest24636-21kworker/u17:3-xprtiod12:21:521
32035997357,10cyclictest24636-21kworker/u17:3-xprtiod12:21:521
32035997354,10cyclictest0-21swapper/107:51:541
32040997253,14cyclictest0-21swapper/211:16:312
32040997253,14cyclictest0-21swapper/211:16:312
32040997238,10cyclictest19531-21kworker/u17:4-xprtiod11:45:502
32040997222,25cyclictest27620-21awk09:41:312
32035997257,10cyclictest0-21swapper/111:55:161
32035997251,14cyclictest5071-21latency_hist07:21:351
32035997243,21cyclictest7755-21taskset09:07:081
32035997226,10cyclictest181rcu_preempt11:26:461
32040997138,16cyclictest20848-21kworker/u17:2-xprtiod09:50:262
3204099713,52cyclictest11462-21sh07:41:312
3204099713,52cyclictest11462-21sh07:41:312
3204099713,51cyclictest1709-21runrttasks10:46:312
32040997130,17cyclictest181rcu_preempt08:51:412
32035997156,8cyclictest0-21swapper/107:32:071
32035997156,8cyclictest0-21swapper/107:32:071
32035997138,13cyclictest0-21swapper/109:42:381
32035997132,11cyclictest181rcu_preempt07:26:451
32035997126,32cyclictest2687-21grep07:12:101
3203599712,36cyclictest24949-21apt-get09:36:431
32040997054,11cyclictest32020-21cyclictest08:40:492
32040997036,10cyclictest17005-21ssh09:22:312
32040997030,13cyclictest181rcu_preempt09:33:162
32040997030,13cyclictest181rcu_preempt09:33:162
32040997028,13cyclictest181rcu_preempt08:56:552
32040997026,15cyclictest181rcu_preempt11:07:152
32040997026,15cyclictest181rcu_preempt11:07:152
32035997050,7cyclictest181rcu_preempt11:46:561
32035997047,16cyclictest297-21systemd-logind07:41:321
32035997047,16cyclictest297-21systemd-logind07:41:321
135942700,9sleep20-21swapper/210:11:452
32040996949,14cyclictest5228-21processes12:32:042
32040996917,13cyclictest181rcu_preempt10:07:142
32035996953,9cyclictest0-21swapper/110:02:061
32035996953,10cyclictest32020-21cyclictest10:23:001
32035996953,10cyclictest32020-21cyclictest10:23:001
32035996943,11cyclictest181rcu_preempt09:28:311
32035996937,9cyclictest181rcu_preempt08:11:431
32035996931,21cyclictest442-21fschecks_count08:46:531
32040996852,10cyclictest32569-21kernelversion07:06:572
32040996839,10cyclictest0-21swapper/207:51:202
3204099683,49cyclictest11607-21grep11:02:052
3204099683,48cyclictest19676-21snmpd09:43:142
3204099683,47cyclictest13228-21latency_hist07:46:342
32040996833,17cyclictest4726-21kworker/u17:3-xprtiod10:19:502
32040996826,15cyclictest181rcu_preempt12:17:012
3204099675,35cyclictest25492-21/usr/sbin/munin10:31:532
3204099675,35cyclictest25492-21/usr/sbin/munin10:31:532
32040996749,12cyclictest1-21systemd08:33:202
32040996749,12cyclictest1-21systemd08:33:202
3204099674,47cyclictest6783-21/usr/sbin/munin09:07:072
32040996739,11cyclictest12441-21kworker/u17:3-xprtiod09:19:402
3204099673,46cyclictest22980-21latency_hist08:16:352
32040996732,12cyclictest181rcu_preempt11:52:052
32035996748,7cyclictest181rcu_preempt11:43:321
32035996747,9cyclictest0-21swapper/107:47:061
32035996746,8cyclictest181rcu_preempt08:17:001
32040996648,12cyclictest298-21in:imuxsock08:21:322
32040996646,14cyclictest18764-21proc_pri08:02:052
32040996646,14cyclictest18764-21proc_pri08:02:052
32040996645,15cyclictest16675-21cstates07:56:502
32040996638,8cyclictest0-21swapper/207:15:112
32035996648,13cyclictest19531-21kworker/u17:4-xprtiod11:36:531
3204099653,44cyclictest352-21runrttasks07:27:222
32035996542,10cyclictest32020-21cyclictest11:23:361
32040996449,8cyclictest0-21swapper/209:02:012
32040996445,12cyclictest439-21fschecks_count08:46:532
32040996437,9cyclictest181rcu_preempt07:32:202
32040996437,9cyclictest181rcu_preempt07:32:202
3204599592,41cyclictest8498-21chrt07:31:463
3204599592,41cyclictest8498-21chrt07:31:463
3204599583,44cyclictest25439-21chrt12:12:253
3204599583,44cyclictest25439-21chrt12:12:253
3204599572,38cyclictest917-21kworker/3:1+events11:36:483
3204599553,40cyclictest4954-21taskset10:51:433
3204599553,40cyclictest10558-21chrt11:47:003
3204599553,37cyclictest917-21kworker/3:1+events09:21:493
3204599543,38cyclictest22056-21taskset08:12:043
3204599543,35cyclictest917-21kworker/3:1+events11:32:053
3204599543,35cyclictest917-21kworker/3:1+events11:32:053
51202530,6sleep30-21swapper/312:31:593
3204599533,38cyclictest12064-21taskset09:15:273
3204599532,37cyclictest917-21kworker/3:1+events10:09:403
3204599523,39cyclictest21971-21taskset10:25:533
3204599523,39cyclictest21971-21taskset10:25:533
3204599523,39cyclictest1796-21chrt07:11:453
3204599523,38cyclictest20532-21chrt08:07:063
3204599523,38cyclictest20532-21chrt08:07:063
3204599522,38cyclictest27930-21chrt08:31:483
3204599522,38cyclictest27930-21chrt08:31:483
3204599522,37cyclictest29080-21chrt12:17:083
3204599513,37cyclictest32225-21chrt12:22:113
3204599513,37cyclictest32225-21chrt12:22:113
3204599513,37cyclictest14844-21chrt09:19:493
3204599513,36cyclictest25182-21chrt08:22:003
3204599513,35cyclictest2279-21chrt12:27:053
3204599512,33cyclictest917-21kworker/3:1+events07:36:453
3204599512,33cyclictest917-21kworker/3:1+events07:36:453
3204599506,36cyclictest24425-21taskset09:36:033
3204599506,36cyclictest24425-21taskset09:36:033
3204599503,37cyclictest30258-21chrt08:37:073
3204599503,36cyclictest10255-21chrt10:06:273
3204599503,35cyclictest13073-21taskset11:51:503
3204599502,38cyclictest29568-21chrt09:43:413
3204599502,37cyclictest25869-21chrt10:31:573
3204599502,37cyclictest25869-21chrt10:31:573
3204599493,36cyclictest8914-21chrt10:57:073
3204599493,36cyclictest422-21chrt08:46:513
3204599493,36cyclictest19358-21taskset12:02:323
3204599493,35cyclictest5320-21chrt07:22:103
3204599493,35cyclictest21015-21chrt11:17:133
3204599493,34cyclictest24486-21chrt10:29:343
3204599493,33cyclictest21964-21chrt12:06:373
3204599493,33cyclictest11948-21chrt11:02:093
3204599492,38cyclictest4658-21taskset10:51:313
3204599492,38cyclictest4658-21taskset10:51:313
3204599492,36cyclictest27979-21chrt11:30:063
3204599492,36cyclictest21132-21chrt09:30:073
3204599492,35cyclictest2007-21chrt08:51:493
3204599484,32cyclictest6972-21chrt07:26:483
3204599483,36cyclictest15320-21taskset11:08:013
3204599483,36cyclictest15320-21taskset11:08:013
3204599483,35cyclictest4010-21chrt09:56:213
3204599483,35cyclictest29867-21taskset10:37:533
3204599483,35cyclictest29867-21taskset10:37:533
3204599483,33cyclictest27777-21chrt09:41:343
3204599483,32cyclictest6022-21chrt09:57:513
3204599482,35cyclictest7466-21chrt09:07:043
3204599473,35cyclictest31183-21chrt09:46:533
3204599473,31cyclictest554-21chrt07:07:073
3204599473,30cyclictest16741-21taskset07:56:533
3204599472,35cyclictest25575-21chrt11:26:333
3204599472,34cyclictest19616-21chrt08:06:333
3204599472,34cyclictest19616-21chrt08:06:333
3204599464,33cyclictest18263-21chrt10:18:473
3204599463,32cyclictest18511-21chrt12:01:183
3204599463,31cyclictest13341-21taskset07:46:453
3204599462,30cyclictest31648-21taskset08:42:013
3204599462,29cyclictest18204-21taskset11:12:473
3204599462,29cyclictest18204-21taskset11:12:473
3204599453,31cyclictest739-21taskset10:43:533
3204599453,30cyclictest8215-21chrt11:42:263
3204599452,30cyclictest4289-21chrt07:17:083
3204599442,29cyclictest13602-21chrt10:11:463
3204599422,30cyclictest26414-21taskset08:26:503
3204599413,29cyclictest3527-21taskset08:56:473
3204599413,28cyclictest12584-21taskset07:42:073
3204599413,25cyclictest23029-21taskset08:16:423
3204599402,28cyclictest15409-21chrt07:51:593
3204599402,25cyclictest5136-21taskset09:01:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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