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2026-02-12 - 06:23
[ 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 all highest latencies:
System rack1slot2.osadl.org (updated Thu Feb 12, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2334424637,0sleep10-21swapper/119:14:261
2312323726,0sleep20-21swapper/219:11:512
2308323725,0sleep00-21swapper/019:11:210
1747723127,0sleep30-21swapper/319:10:203
8305060,0irq/26-0000:00:10158-21munin-run22:15:052
339960,0migration/36020-21aten_r1power_fr20:10:163
339960,0migration/33188-21sh22:28:323
339960,0migration/321688-21sh21:42:273
339960,0migration/319466-21sh21:24:013
29805060,0irq/28-eth0-rx-17127-21diskstats22:00:173
29805060,0irq/28-eth0-rx-16217-21munin-node00:25:303
29805060,0irq/28-eth0-rx-15607-21cut20:15:243
29805060,0irq/28-eth0-rx-13222-21yum22:50:343
29805060,0irq/28-eth0-rx-1090-40yum-updatesd-he22:09:213
29805060,0irq/28-eth0-rx-0-21swapper/323:12:533
234899960,0cyclictest0-21swapper/221:50:562
234849960,0cyclictest0-21swapper/121:45:081
339950,0migration/39624-21switchtime00:40:313
339950,0migration/37924-21fschecks_count00:05:193
339950,0migration/35777-21taskset20:53:553
339950,0migration/35220-21cpuspeed_turbos23:45:183
339950,0migration/35190-21kthreadcore21:15:233
339950,0migration/3495-21kthreadcore00:00:213
339950,0migration/330764-21taskset23:01:083
339950,0migration/33038-21kthreadcore21:50:243
339950,0migration/329196-21kthreadcore20:25:223
339950,0migration/328025-21kthreadcore21:45:243
339950,0migration/327507-21taskset21:09:373
339950,0migration/323337-21taskset19:56:483
339950,0migration/321800-21kthreadcore22:20:233
339950,0migration/319088-21kthreadcore20:40:223
339950,0migration/31771-21aten_r1power_po22:10:183
339950,0migration/314446-21munin-node21:00:213
339950,0migration/314178-21kthreadcore23:30:243
339950,0migration/314072-21needreboot21:55:253
339950,0migration/313275-21cpuspeed_turbos19:30:183
329950,0watchdog/36170-21munin-node20:55:163
329950,0watchdog/331727-21ssh00:16:373
329950,0watchdog/327274-21taskset20:24:363
329950,0watchdog/32692-21uname21:30:243
329950,0watchdog/322456-21basename22:40:213
329950,0watchdog/317461-21kthreadcore22:35:253
329950,0watchdog/31252-21sh23:22:293
329950,0watchdog/30-21swapper/323:25:213
29815050,0irq/29-eth0-tx-25083-21ssh00:15:212
29815050,0irq/29-eth0-tx-2369-21diskmemload21:38:512
29815050,0irq/29-eth0-tx-22847-21ssh00:10:562
29815050,0irq/29-eth0-tx-20010-21ssh22:20:192
29815050,0irq/29-eth0-tx-15179-21munin-node22:55:212
29815050,0irq/29-eth0-tx-12752-21ssh00:25:222
29815050,0irq/29-eth0-tx-0-21swapper/223:10:212
29815050,0irq/29-eth0-tx-0-21swapper/222:30:132
29815050,0irq/29-eth0-tx-0-21swapper/222:19:312
29815050,0irq/29-eth0-tx-0-21swapper/222:06:312
29815050,0irq/29-eth0-tx-0-21swapper/221:30:332
29815050,0irq/29-eth0-tx-0-21swapper/200:44:342
29805050,0irq/28-eth0-rx-4865-21fschecks_time22:30:203
29805050,0irq/28-eth0-rx-3021-21grep23:05:233
29805050,0irq/28-eth0-rx-29105-21ssh23:55:413
29805050,0irq/28-eth0-rx-23922-21kthreadcore00:30:243
29805050,0irq/28-eth0-rx-21017-21fschecks_time21:25:193
29805050,0irq/28-eth0-rx-20244-21aten2.4-expect19:35:163
29805050,0irq/28-eth0-rx-19761-21kthreadcore00:10:223
29805050,0irq/28-eth0-rx-14944-21irqcore23:50:233
29805050,0irq/28-eth0-rx-0-21swapper/323:43:493
29805050,0irq/28-eth0-rx-0-21swapper/323:35:203
29805050,0irq/28-eth0-rx-0-21swapper/323:15:173
29805050,0irq/28-eth0-rx-0-21swapper/322:56:123
29805050,0irq/28-eth0-rx-0-21swapper/322:48:593
29805050,0irq/28-eth0-rx-0-21swapper/320:35:203
29805050,0irq/28-eth0-rx-0-21swapper/300:20:193
259950,0migration/231795-21fschecks_time00:00:172
259950,0migration/230316-21sh23:58:592
259950,0migration/229913-21latency_hist22:45:052
259950,0migration/217868-21timerwakeupswit23:30:312
259950,0migration/210802-21sh23:29:332
249950,0watchdog/228895-21memory21:45:252
249950,0watchdog/217463-21kthreadcore22:35:252
234899955,0cyclictest0-21swapper/223:53:352
234899955,0cyclictest0-21swapper/223:06:172
234899955,0cyclictest0-21swapper/221:21:172
234899954,0cyclictest3524-21snmpd21:27:402
234899954,0cyclictest1943-21crond19:45:052
234899950,0cyclictest0-21swapper/222:53:312
234899950,0cyclictest0-21swapper/220:09:242
234849955,0cyclictest0-21swapper/123:42:361
234849955,0cyclictest0-21swapper/120:45:231
234849954,0cyclictest3524-21snmpd19:54:381
234849954,0cyclictest3524-21snmpd19:18:381
234849950,0cyclictest0-21swapper/123:27:561
234849950,0cyclictest0-21swapper/122:32:261
234849950,0cyclictest0-21swapper/100:36:311
234769954,0cyclictest24917-21awk23:00:200
234769953,0cyclictest8557-21awk00:05:220
234769953,0cyclictest7054-21awk20:10:210
234769953,0cyclictest21362-21awk19:35:200
234769952,0cyclictest4530-21diskstats22:30:190
234769952,0cyclictest24286-21df_inode20:00:170
234769952,0cyclictest10498-21perl20:35:200
234769951,0cyclictest5792-21munin-node19:25:280
234769951,0cyclictest27562-21munin-node20:25:240
234769950,0cyclictest41ktimersoftd/022:55:260
19150,0ktimersoftd/10-21swapper/122:46:561
19150,0ktimersoftd/10-21swapper/121:26:131
179950,0migration/132566-21taskset22:06:451
179950,0migration/123931-21munin-node23:15:281
179950,0migration/113470-21kthreadcore23:30:231
179950,0migration/112872-21latency_hist19:30:051
169950,0watchdog/15515-21cut00:20:251
8305040,0irq/26-0000:00:0-21swapper/223:35:062
8305040,0irq/26-0000:00:0-21swapper/200:05:062
339940,0migration/38271-21ntp_kernel_pll_19:45:243
339940,0migration/33191-21kthreadcore19:20:233
329940,0watchdog/31583-21taskset00:36:453
329940,0watchdog/30-21swapper/320:45:243
29815040,0irq/29-eth0-tx-30218-21telnet22:45:172
29815040,0irq/29-eth0-tx-2369-21diskmemload23:45:432
29815040,0irq/29-eth0-tx-2110-21ssh22:25:412
29815040,0irq/29-eth0-tx-16693-21ssh22:00:152
29815040,0irq/29-eth0-tx-0-21swapper/223:20:262
29815040,0irq/29-eth0-tx-0-21swapper/223:01:232
29815040,0irq/29-eth0-tx-0-21swapper/221:55:122
29815040,0irq/29-eth0-tx-0-21swapper/221:41:522
29815040,0irq/29-eth0-tx-0-21swapper/200:35:242
29815040,0irq/29-eth0-tx-0-21swapper/200:31:182
29815040,0irq/29-eth0-tx-0-21swapper/200:21:172
29805040,0irq/28-eth0-rx-0-21swapper/322:15:223
29805040,0irq/28-eth0-rx-0-21swapper/321:35:093
29805040,0irq/28-eth0-rx-0-21swapper/319:25:183
259940,0migration/27277-21kthreadcore21:15:242
259940,0migration/25892-21aten_r1power_po19:25:192
259940,0migration/25504-21kthreadcore20:30:232
259940,0migration/231186-21latency_hist20:50:062
259940,0migration/230847-21kthreadcore21:10:232
259940,0migration/230762-21kthreadcore23:40:232
259940,0migration/228453-21kthreadcore20:00:222
259940,0migration/222504-21kthreadcore21:05:252
259940,0migration/217433-21latency_hist23:15:052
259940,0migration/215227-21kthreadcore19:30:232
259940,0migration/214910-21kthreadcore20:15:242
259940,0migration/212706-21kthreadcore20:35:242
259940,0migration/212429-21kthreadcore19:50:212
259940,0migration/211043-21kthreadcore20:55:242
249940,0watchdog/228883-21kthreadcore20:45:242
249940,0watchdog/224681-21munin-node19:15:202
249940,0watchdog/222445-21latency19:55:242
234899944,0cyclictest0-21swapper/221:04:062
234899943,0cyclictest3524-21snmpd20:10:392
234899943,0cyclictest3524-21snmpd19:45:532
234899943,0cyclictest3524-21snmpd19:24:532
234899943,0cyclictest3250-21irqbalance20:20:222
234899943,0cyclictest21220-21awk19:35:202
234899943,0cyclictest17963-21awk20:40:202
234849944,0cyclictest0-21swapper/122:28:581
234849944,0cyclictest0-21swapper/121:53:581
234849943,0cyclictest9132-21awk21:55:221
234849943,0cyclictest7215-21awk20:55:211
234849943,0cyclictest3571-21lldpd23:21:221
234849943,0cyclictest3571-21lldpd20:00:191
234849943,0cyclictest3524-21snmpd20:31:241
234849943,0cyclictest3524-21snmpd19:46:381
234849943,0cyclictest3250-21irqbalance22:10:121
234849943,0cyclictest3250-21irqbalance20:15:121
234849943,0cyclictest3250-21irqbalance20:10:421
234849943,0cyclictest3250-21irqbalance00:31:121
234849943,0cyclictest3250-21irqbalance00:15:221
234849943,0cyclictest32248-21awk20:05:211
234849943,0cyclictest31849-21tail19:20:191
234849943,0cyclictest28942-21awk21:10:211
234849943,0cyclictest28432-21awk19:40:201
234849943,0cyclictest25065-21awk23:00:211
234849943,0cyclictest21419-21awk20:20:201
234849943,0cyclictest17781-21awk22:00:201
234849943,0cyclictest17757-21awk19:55:211
234849943,0cyclictest10770-21awk20:35:221
234849943,0cyclictest10556-21gltestperf00:25:191
234769943,0cyclictest22777-21cut23:15:240
234769942,0cyclictest9818-21df19:50:160
234769942,0cyclictest9765-21cut00:25:170
234769942,0cyclictest8943-21aten2.4-expect23:10:160
234769942,0cyclictest7968-21sh21:55:110
234769942,0cyclictest6900-21df_inode22:50:200
234769942,0cyclictest6138-21aten_r1power_cu20:55:160
234769942,0cyclictest5683-21munin-node21:35:160
234769942,0cyclictest5222-21cpuspeed_turbos23:45:180
234769942,0cyclictest478-21munin-node23:05:180
234769942,0cyclictest3576-21df_inode00:40:190
234769942,0cyclictest3179-21perl20:30:190
234769942,0cyclictest31716-21stty21:50:180
234769942,0cyclictest31636-21diskstats20:50:180
234769942,0cyclictest31396-21df20:05:180
234769942,0cyclictest31019-21munin-node19:20:170
234769942,0cyclictest30934-21cat00:00:060
234769942,0cyclictest3067-21diskstats21:15:190
234769942,0cyclictest30191-21aten_r1power_fr22:45:170
234769942,0cyclictest30040-21hdparm21:30:190
234769942,0cyclictest29042-21diskstats23:40:190
234769942,0cyclictest27845-21aten2.4-expect21:10:160
234769942,0cyclictest27664-21cut19:40:170
234769942,0cyclictest27243-21df_abs00:35:190
234769942,0cyclictest26696-21diskstats23:20:170
234769942,0cyclictest25439-21sh22:05:170
234769942,0cyclictest24981-21tr00:15:200
234769942,0cyclictest24772-21tune2fs20:45:200
234769942,0cyclictest2446-21ssh23:25:080
234769942,0cyclictest23841-21aten2.4-expect19:15:170
234769942,0cyclictest2308-21aten2.4-expect19:45:160
234769942,0cyclictest22902-21sh21:45:100
234769942,0cyclictest22777-21entropy23:55:180
234769942,0cyclictest21864-21df_inode22:40:190
234769942,0cyclictest20657-21aten2.4-expect21:05:190
234769942,0cyclictest20500-21cut20:20:160
234769942,0cyclictest20417-21diskstats23:35:200
234769942,0cyclictest20101-21sed21:25:060
234769942,0cyclictest19456-21df_abs22:20:180
234769942,0cyclictest18128-21latency_hist00:30:060
234769942,0cyclictest17338-21expr20:40:180
234769942,0cyclictest17070-21sed22:00:170
234769942,0cyclictest16969-21grep19:55:180
234769942,0cyclictest16421-21diskstats00:10:170
234769942,0cyclictest1618-21ssh22:10:080
234769942,0cyclictest14719-21df_inode21:40:180
234769942,0cyclictest13852-21aten2.4-expect23:50:180
234769942,0cyclictest13782-21forks21:00:180
234769942,0cyclictest13661-21perl19:30:190
234769942,0cyclictest13578-21df_inode20:15:190
234769942,0cyclictest13176-21diskstats22:35:200
234769942,0cyclictest12171-21perl21:20:180
234769942,0cyclictest11723-21df_inode23:30:190
234769942,0cyclictest1094-21cpuspeed_turbos00:20:190
234769942,0cyclictest10770-21df22:15:180
234769941,0cyclictest27792-21cut22:25:150
179940,0migration/15679-21kthreadcore23:05:241
179940,0migration/131585-21fschecks_count00:00:171
179940,0migration/128399-21fschecks_time20:25:191
179940,0migration/127544-21munin-node22:40:261
179940,0migration/122216-21latency_hist23:55:061
179940,0migration/121964-21kthreadcore19:35:221
179940,0migration/120419-21open_files21:40:261
179940,0migration/120364-21kthreadcore22:55:241
179940,0migration/118253-21kthreadcore19:30:241
179940,0migration/117246-21irqcore00:10:211
179940,0migration/114156-21fschecks_count23:50:191
179940,0migration/111656-21cpuspeed_turbos21:20:171
179940,0migration/111644-21missed_timers21:35:231
169940,0watchdog/16314-21runrttasks23:48:011
169940,0watchdog/127049-21ssh22:23:571
169940,0watchdog/117462-21kthreadcore22:35:251
169940,0watchdog/10-21swapper/123:35:251
169940,0watchdog/10-21swapper/122:50:251
169940,0watchdog/10-21swapper/121:30:161
169940,0watchdog/10-21swapper/121:05:281
169940,0watchdog/10-21swapper/100:40:171
169940,0watchdog/10-21swapper/100:08:371
8305030,0irq/26-0000:00:0-21swapper/320:30:083
8305030,0irq/26-0000:00:0-21swapper/319:40:083
329930,0watchdog/30-21swapper/320:01:283
29805030,0irq/28-eth0-rx-0-21swapper/321:10:253
29805030,0irq/28-eth0-rx-0-21swapper/320:05:163
29805030,0irq/28-eth0-rx-0-21swapper/319:52:373
259930,0migration/228734-21if_eth1.320:25:212
234849932,0cyclictest3250-21irqbalance23:10:121
234849932,0cyclictest31637-21diskstats20:50:181
234849932,0cyclictest18012-21awk20:40:211
234849932,0cyclictest11040-21fschecks_count22:15:191
169930,0watchdog/10-21swapper/121:17:121
169930,0watchdog/10-21swapper/121:00:201
329920,0watchdog/30-21swapper/319:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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