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2026-02-22 - 06:50
[ 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 376 highest latencies:
System rack4slot6.osadl.org (updated Sun Feb 22, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18317521080,2pltrace0-21swapper/622:48:366
14458521050,0pltrace0-21swapper/121:43:361
2427552940,85pltrace0-21swapper/119:09:481
2427552930,85pltrace0-21swapper/519:09:295
2427552920,89pltrace0-21swapper/619:10:006
2433027143,10sleep40-21swapper/419:09:184
2423827056,10sleep20-21swapper/219:08:202
2422826955,10sleep30-21swapper/319:08:133
2410126248,10sleep70-21swapper/719:06:267
2394225944,10sleep00-21swapper/019:05:210
1939252350,2pltrace19716-21latency_hist23:50:007
1787152320,5pltrace0-21swapper/719:55:147
1445852310,0pltrace0-21swapper/721:45:127
24550992519,5cyclictest0-21swapper/721:14:307
2454799220,2cyclictest2999-21cut19:25:166
2452599220,16cyclictest0-21swapper/119:43:281
112052220,4pltrace1612-21latency_hist19:25:017
112052220,0pltrace0-21swapper/719:25:017
501352210,0pltrace0-21swapper/720:30:227
1103452210,16pltrace54-21ksoftirqd/423:35:204
824552200,1pltrace8353-21latency_hist23:30:007
3058952200,0pltrace0-21swapper/700:13:267
3058952200,0pltrace0-21swapper/700:13:267
824552190,0pltrace0-21swapper/723:30:117
24525991913,3cyclictest30-21ksoftirqd/122:31:071
2452099191,2cyclictest0-21swapper/023:27:050
1274652190,3pltrace0-21swapper/722:40:197
92452180,2pltrace3060-21sensors00:15:207
92452180,2pltrace3060-21sensors00:15:207
438652180,12pltrace54-21ksoftirqd/422:27:084
2454799186,7cyclictest1146-21snmpd21:45:106
2454299187,6cyclictest0-21swapper/521:35:035
2454299184,8cyclictest30957-21ntp_offset20:15:185
2453699180,4cyclictest23570-21unixbench_multi22:55:223
24525991810,4cyclictest30-21ksoftirqd/119:25:211
2110752180,4pltrace21724-21cpu22:55:117
1382052180,5pltrace54-21ksoftirqd/423:41:374
1230052180,6pltrace0-21swapper/719:45:187
717152170,0pltrace0-21swapper/722:29:557
609852170,4pltrace0-21swapper/721:31:247
376252170,11pltrace0-21swapper/300:20:163
24550991711,5cyclictest0-21swapper/723:36:267
2454299175,7cyclictest21772-21ls21:55:185
2454299175,4cyclictest10423-21taskset20:36:335
2454299174,6cyclictest8088-21latency_hist20:35:015
2454299173,9cyclictest6301-21cstates23:25:125
2454299173,8cyclictest11906-21open_inodes22:35:195
24539991716,1cyclictest0-21swapper/421:14:314
2453999171,15cyclictest0-21swapper/420:08:494
24530991710,7cyclictest0-21swapper/220:10:312
2452599178,6cyclictest30-21ksoftirqd/119:50:191
24525991714,2cyclictest31854-21taskset20:18:461
24525991714,2cyclictest2817-21tr00:15:181
24525991714,2cyclictest2817-21tr00:15:181
24525991711,3cyclictest30-21ksoftirqd/100:08:211
24525991711,3cyclictest30-21ksoftirqd/100:08:211
24525991710,4cyclictest30-21ksoftirqd/119:30:191
2427552170,5pltrace0-21swapper/719:12:567
222652170,1pltrace0-21swapper/720:25:167
1230052170,11pltrace0-21swapper/319:45:133
393752160,0pltrace0-21swapper/719:32:337
3183652160,0pltrace0-21swapper/720:20:367
2499052160,0pltrace0-21swapper/700:00:187
2454799168,7cyclictest1146-21snmpd20:59:286
2454799161,8cyclictest0-21swapper/619:37:416
2454799161,3cyclictest0-21swapper/623:03:166
2454799160,15cyclictest0-21swapper/620:22:366
2454799160,11cyclictest0-21swapper/619:43:546
2454799160,1cyclictest0-21swapper/622:28:336
2454299165,5cyclictest9103-21chrt00:25:335
2454299165,5cyclictest18694-21cpuspeed_turbos19:55:135
2454299165,3cyclictest9766-21taskset22:31:085
2454299164,5cyclictest24304-21cstates20:05:125
2454299161,1cyclictest0-21swapper/523:20:155
24539991610,5cyclictest54-21ksoftirqd/420:15:354
2453999161,7cyclictest0-21swapper/419:46:344
2453999161,4cyclictest0-21swapper/420:47:324
2453999161,3cyclictest0-21swapper/422:03:214
2453999160,4cyclictest0-21swapper/400:06:074
2453999160,4cyclictest0-21swapper/400:06:064
24536991613,2cyclictest0-21swapper/319:20:113
24536991610,5cyclictest0-21swapper/320:10:163
2453699160,15cyclictest0-21swapper/320:34:413
2453699160,15cyclictest0-21swapper/319:36:033
2453099161,5cyclictest1146-21snmpd20:05:132
2452599169,4cyclictest30-21ksoftirqd/120:04:301
24525991613,2cyclictest10323-21/usr/sbin/munin23:30:191
24525991612,2cyclictest30-21ksoftirqd/123:57:071
2452099161,8cyclictest0-21swapper/021:26:310
2452099161,8cyclictest0-21swapper/019:38:350
2452099161,4cyclictest0-21swapper/022:45:210
2452099161,4cyclictest0-21swapper/000:13:100
2452099161,4cyclictest0-21swapper/000:13:090
2065952160,3pltrace23424-21sshd20:03:180
1615752160,0pltrace0-21swapper/720:50:237
1615752160,0pltrace0-21swapper/720:50:237
159652160,0pltrace0-21swapper/722:20:187
933652150,0pltrace0-21swapper/700:29:347
780152150,2pltrace0-21swapper/720:36:317
45552150,10pltrace54-21ksoftirqd/421:20:434
376252150,5pltrace0-21swapper/700:20:137
376252150,10pltrace54-21ksoftirqd/400:18:524
376252150,10pltrace54-21ksoftirqd/400:18:524
2455099159,5cyclictest0-21swapper/720:00:327
24550991511,3cyclictest0-21swapper/722:31:547
24550991510,3cyclictest0-21swapper/721:55:177
24550991510,3cyclictest0-21swapper/720:11:267
2455099151,3cyclictest0-21swapper/723:58:297
2455099151,3cyclictest0-21swapper/723:11:587
24547991511,3cyclictest0-21swapper/600:39:376
2454799150,14cyclictest0-21swapper/623:45:086
2454799150,14cyclictest0-21swapper/623:19:436
2454799150,1cyclictest0-21swapper/623:30:346
2454299154,6cyclictest1178-21runrttasks23:48:135
2454299154,5cyclictest5140-21needreboot21:25:185
2454299154,5cyclictest14918-21taskset00:38:405
2454299154,5cyclictest13352-21fschecks_count19:45:125
2454299153,5cyclictest24355-21sshd21:01:185
2454299153,5cyclictest24355-21sshd21:01:185
2454299153,4cyclictest32385-21timerandwakeup21:15:215
24542991513,1cyclictest0-21swapper/521:10:155
24539991510,3cyclictest0-21swapper/420:36:564
24539991510,3cyclictest0-21swapper/400:35:514
2453999151,6cyclictest0-21swapper/422:22:304
2453999151,3cyclictest0-21swapper/419:56:104
2453999150,7cyclictest0-21swapper/422:47:074
2453999150,14cyclictest0-21swapper/421:06:164
2453999150,14cyclictest0-21swapper/419:25:194
2453999150,14cyclictest0-21swapper/400:03:004
2453999150,13cyclictest0-21swapper/420:43:174
2453699159,5cyclictest0-21swapper/323:13:503
2453699150,8cyclictest0-21swapper/321:32:323
2453699150,7cyclictest0-21swapper/322:26:283
2453699150,7cyclictest0-21swapper/321:36:143
2453699150,7cyclictest0-21swapper/320:25:053
2453699150,14cyclictest0-21swapper/323:41:213
2453699150,14cyclictest0-21swapper/323:38:573
2453699150,14cyclictest0-21swapper/320:49:573
2453699150,14cyclictest0-21swapper/320:39:083
2453699150,14cyclictest0-21swapper/320:00:003
2453099152,5cyclictest10801-21grep21:35:192
24530991511,2cyclictest0-21swapper/223:02:202
24530991510,1cyclictest2003152pltrace21:56:392
2453099151,6cyclictest14402-21awk19:45:202
2453099151,5cyclictest5525-21irqstats_LOC19:30:152
2453099151,5cyclictest4299-21sensors_fan20:25:182
2453099150,8cyclictest0-21swapper/222:32:432
2453099150,7cyclictest0-21swapper/223:07:292
2453099150,7cyclictest0-21swapper/221:33:582
2453099150,7cyclictest0-21swapper/220:19:412
2453099150,3cyclictest0-21swapper/219:17:012
2453099150,3cyclictest0-21swapper/200:38:372
2453099150,14cyclictest0-21swapper/220:55:122
2452599158,3cyclictest30-21ksoftirqd/121:15:201
2452599157,4cyclictest30-21ksoftirqd/121:30:111
2452599157,4cyclictest11330-21processes00:30:191
24525991512,2cyclictest7531-21sensors23:25:201
24525991512,2cyclictest28989-21wget22:10:121
24525991512,2cyclictest27853-21sed19:15:011
24525991512,2cyclictest27801-21sed22:05:201
24525991512,2cyclictest15149-21ls20:45:151
24525991512,2cyclictest1146-21snmpd23:50:151
24525991512,1cyclictest191rcu_preempt20:36:321
2452099151,3cyclictest0-21swapper/021:38:400
2452099150,8cyclictest0-21swapper/023:21:350
2452099150,14cyclictest0-21swapper/023:17:040
2173352150,5pltrace0-21swapper/721:00:227
2173352150,5pltrace0-21swapper/721:00:217
2173352150,2pltrace23114-21tail21:00:130
2173352150,2pltrace23114-21tail21:00:130
2173352150,1pltrace21888-21latency_hist21:00:000
112052150,9pltrace54-21ksoftirqd/419:24:054
933652140,2pltrace0-21swapper/700:30:487
376252140,8pltrace1146-21snmpd00:19:540
376252140,8pltrace1146-21snmpd00:19:540
3121252140,10pltrace0-21swapper/222:16:422
2842452140,0pltrace0-21swapper/722:10:217
267252140,10pltrace54-21ksoftirqd/423:23:374
2455099141,1cyclictest0-21swapper/700:35:207
2455099140,14cyclictest0-21swapper/719:20:017
2455099140,13cyclictest0-21swapper/722:53:057
2455099140,13cyclictest0-21swapper/722:46:337
2454799147,6cyclictest1146-21snmpd00:13:126
2454799147,6cyclictest1146-21snmpd00:13:126
2454799146,7cyclictest1146-21snmpd22:10:476
2454799144,4cyclictest2750-21aten_r4power_en20:25:116
2454799144,2cyclictest0-21swapper/623:14:226
24547991411,2cyclictest0-21swapper/620:31:276
24547991410,3cyclictest0-21swapper/623:59:036
2454799140,13cyclictest0-21swapper/621:11:206
2454799140,12cyclictest23400-21aten_r4power_vo22:00:126
2454799140,1cyclictest0-21swapper/621:40:476
2454299148,5cyclictest16695-21grep20:50:115
2454299148,5cyclictest16695-21grep20:50:115
2454299145,4cyclictest31419-21ntp_states23:10:185
2454299144,8cyclictest21089-21latency23:50:155
2454299144,7cyclictest0-21swapper/519:17:355
2454299144,4cyclictest31695-21/usr/sbin/munin22:15:205
2454299144,4cyclictest27407-21cpuspeed_turbos23:05:115
2454299144,4cyclictest2639-21taskset23:18:235
2454299143,8cyclictest29115-21taskset20:14:255
2454299143,7cyclictest0-21swapper/522:29:505
2454299143,7cyclictest0-21swapper/521:45:515
2454299143,7cyclictest0-21swapper/519:10:125
2454299143,6cyclictest0-21swapper/521:53:125
2454299143,6cyclictest0-21swapper/500:20:125
2454299143,5cyclictest13561-21vmstat23:35:225
2454299143,4cyclictest0-21swapper/520:20:185
2454299143,3cyclictest3041-21sendmail_mailtr00:15:205
2454299143,3cyclictest3041-21sendmail_mailtr00:15:205
2454299143,3cyclictest1474-21lldpd23:57:065
2454299142,5cyclictest26518-21/usr/sbin/munin00:00:145
2454299140,1cyclictest0-21swapper/519:30:205
24539991411,2cyclictest1063-17auditd21:00:014
2453999140,13cyclictest0-21swapper/423:50:194
2453699149,3cyclictest0-21swapper/320:40:263
2453699149,2cyclictest0-21swapper/323:32:263
2453699141,12cyclictest0-21swapper/300:15:103
2453699141,12cyclictest0-21swapper/300:15:103
2453699140,7cyclictest0-21swapper/322:35:013
2453099145,5cyclictest0-21swapper/221:10:212
2453099142,4cyclictest38-21ksoftirqd/200:32:372
2453099140,8cyclictest0-21swapper/223:12:352
2453099140,8cyclictest0-21swapper/222:59:102
2453099140,3cyclictest0-21swapper/223:20:022
2453099140,3cyclictest0-21swapper/222:22:332
2453099140,13cyclictest0-21swapper/223:50:542
2453099140,13cyclictest0-21swapper/200:13:402
2453099140,13cyclictest0-21swapper/200:13:402
2452599148,4cyclictest30-21ksoftirqd/119:55:231
2452599145,6cyclictest30-21ksoftirqd/123:44:461
24525991413,1cyclictest2554-21processes21:20:191
24525991411,2cyclictest5659-21cpuspeed_turbos20:30:121
24525991411,2cyclictest5273-21cut21:25:201
24525991411,2cyclictest27455-21munin-node21:38:581
24525991411,2cyclictest20798-21grep20:55:161
24525991411,2cyclictest1762-21nfs4_client23:15:171
24525991411,2cyclictest17446-21cstates23:45:141
24525991411,2cyclictest16987-21cstates20:50:111
24525991411,2cyclictest16987-21cstates20:50:111
24525991411,2cyclictest16487-21expr22:45:131
24525991411,2cyclictest1347-21ntp_states20:20:161
24525991411,2cyclictest1178-21runrttasks23:05:001
24525991411,2cyclictest1146-21snmpd22:44:361
24525991411,2cyclictest1146-21snmpd21:01:151
24525991411,2cyclictest1146-21snmpd21:01:151
24525991411,2cyclictest1146-21snmpd20:28:441
2452599140,5cyclictest26838-21cat21:05:201
2452599140,5cyclictest13170-21expr19:45:121
2452099140,13cyclictest0-21swapper/022:43:360
2452099140,12cyclictest0-21swapper/023:13:360
2346552140,0pltrace0-21swapper/720:07:207
2173352140,2pltrace22219-21/usr/sbin/munin21:00:243
2173352140,2pltrace22219-21/usr/sbin/munin21:00:243
1831752140,5pltrace0-21swapper/622:50:126
672752130,9pltrace54-21ksoftirqd/419:34:554
655152130,10pltrace7696-21tune2fs00:25:150
546152130,5pltrace0-21swapper/723:23:427
45552130,6pltrace0-21swapper/021:20:480
438652130,4pltrace4930-21aten_r4power_po22:25:110
376252130,1pltrace0-21swapper/000:20:120
2671252130,7pltrace54-21ksoftirqd/423:07:464
2626352130,7pltrace54-21ksoftirqd/420:11:174
24550991312,1cyclictest0-21swapper/723:08:367
24550991312,1cyclictest0-21swapper/721:05:147
24550991312,1cyclictest0-21swapper/719:40:157
2455099130,1cyclictest0-21swapper/723:50:197
2454799139,3cyclictest1066-13audispd00:10:006
2454799139,3cyclictest1066-13audispd00:10:006
2454799138,4cyclictest0-21swapper/619:10:136
2454799136,6cyclictest0-21swapper/620:44:126
2454799135,7cyclictest0-21swapper/620:20:016
2454799134,2cyclictest11736-21unixbench-2d00:30:216
2454799133,4cyclictest31878-21tune2fs19:20:136
24547991311,2cyclictest0-21swapper/622:43:076
24547991311,1cyclictest0-21swapper/621:18:476
24547991310,2cyclictest0-21swapper/621:25:546
2454799131,3cyclictest3698-21kworker/u16:1+flush-253:0@
wb_workfn
23:30:006
2454799130,12cyclictest0-21swapper/621:53:546
2454799130,12cyclictest0-21swapper/621:24:416
2454299135,2cyclictest11913-21perl20:40:165
2454299134,4cyclictest3109-21ls20:25:125
2454299134,4cyclictest21145-21/usr/sbin/munin20:00:145
2454299134,3cyclictest6941-21cstates21:30:135
2454299134,3cyclictest3900-21taskset22:20:215
2454299134,3cyclictest1178-21runrttasks21:21:315
2454299134,2cyclictest13500-21needreboot21:40:195
2454299133,5cyclictest25389-21cstates21:05:125
2454299133,4cyclictest0-21swapper/500:15:005
2454299133,4cyclictest0-21swapper/500:15:005
2454299132,3cyclictest3239-21smartctl19:25:205
2454299132,3cyclictest29460-21entropy22:10:145
24542991310,2cyclictest0-21swapper/520:45:395
24542991310,2cyclictest0-21swapper/519:35:125
24542991310,2cyclictest0-21swapper/500:30:115
2454299130,12cyclictest0-21swapper/520:58:455
2453999137,3cyclictest0-21swapper/400:27:334
2453999134,8cyclictest18021-21grep23:45:144
24539991312,1cyclictest0-21swapper/423:57:204
24539991312,1cyclictest0-21swapper/420:22:284
2453999130,7cyclictest0-21swapper/421:16:314
2453999130,1cyclictest0-21swapper/422:15:594
24536991312,1cyclictest0-21swapper/319:33:173
2453699130,12cyclictest0-21swapper/321:56:123
2453699130,12cyclictest0-21swapper/321:13:313
24530991311,1cyclictest0-21swapper/200:05:172
24530991311,1cyclictest0-21swapper/200:05:172
2453099130,6cyclictest0-21swapper/219:11:272
2453099130,13cyclictest0-21swapper/221:50:162
2453099130,12cyclictest0-21swapper/219:25:102
2452599138,1cyclictest191rcu_preempt00:00:201
2452599133,1cyclictest191rcu_preempt21:51:351
24525991310,2cyclictest8521-21proc_pri00:25:221
24525991310,2cyclictest7211-21/usr/sbin/munin19:35:161
24525991310,2cyclictest6108-21load22:25:161
24525991310,2cyclictest32168-21/usr/sbin/munin00:10:161
24525991310,2cyclictest32168-21/usr/sbin/munin00:10:161
24525991310,2cyclictest3158-21/usr/sbin/munin23:20:111
24525991310,2cyclictest31579-21expr19:20:121
24525991310,2cyclictest30844-21cut23:10:151
24525991310,2cyclictest29128-21grep23:05:211
24525991310,2cyclictest21912-21netstat21:55:171
24525991310,2cyclictest14127-21processes00:35:201
24525991310,2cyclictest12066-21switchtime22:35:211
24525991310,2cyclictest1178-21runrttasks22:02:271
24525991310,2cyclictest11481-21expr20:40:131
24525991310,2cyclictest1146-21snmpd23:36:131
24525991310,2cyclictest1146-21snmpd20:08:251
2452599130,5cyclictest2337-21cpuspeed_turbos22:20:101
2452599130,5cyclictest21610-21aten_r4power_cu22:55:121
2452599130,5cyclictest19062-21tr22:50:121
2452599130,1cyclictest0-21swapper/100:20:171
2452099133,8cyclictest0-21swapper/020:10:110
24520991312,1cyclictest0-21swapper/020:20:110
2452099130,13cyclictest0-21swapper/022:35:120
2452099130,12cyclictest0-21swapper/021:43:280
1831752130,4pltrace0-21swapper/222:50:122
1274652130,5pltrace0-21swapper/322:42:273
1230052130,5pltrace0-21swapper/619:45:136
1103452130,8pltrace54-21ksoftirqd/423:34:364
933652120,5pltrace0-21swapper/300:33:053
3121252120,5pltrace0-21swapper/322:14:293
2780452120,5pltrace0-21swapper/300:06:023
2780452120,5pltrace0-21swapper/300:06:023
2780452120,4pltrace0-21swapper/700:06:027
2780452120,4pltrace0-21swapper/700:06:027
2455099122,8cyclictest0-21swapper/723:40:387
24550991210,1cyclictest0-21swapper/721:35:017
2454799128,3cyclictest0-21swapper/622:38:336
2454799124,4cyclictest25844-21perl21:05:146
2454799124,2cyclictest5172-21fschecks_time19:30:126
2454799123,2cyclictest1146-21snmpd19:56:566
2454799123,2cyclictest1146-21snmpd00:18:006
2454799123,2cyclictest1146-21snmpd00:18:006
2454799122,9cyclictest0-21swapper/620:40:016
2454799122,4cyclictest20584-21fschecks_time23:50:126
2454799122,4cyclictest18264-21switchtime20:50:216
2454799122,4cyclictest18264-21switchtime20:50:216
2454799122,4cyclictest11191-21wc21:35:216
24547991210,1cyclictest0-21swapper/620:48:016
2454799121,4cyclictest3934-21grep23:20:126
2454799121,4cyclictest32405-21uniq22:15:136
2454799121,4cyclictest21841-21grep22:55:116
2454799121,2cyclictest0-21swapper/621:55:166
2454799120,5cyclictest28532-21crond22:10:006
2454799120,5cyclictest27451-21unixbench_multi00:00:216
2454799120,5cyclictest26002-21vmstat20:05:226
2454799120,5cyclictest16118-21/usr/sbin/munin19:50:136
2454799120,5cyclictest1178-21runrttasks19:15:156
2454799120,5cyclictest1178-21runrttasks00:25:156
2454799120,4cyclictest26826-21wget20:10:116
2454799120,4cyclictest22435-21wc20:00:176
2454799120,4cyclictest0-21swapper/622:20:116
2454799120,3cyclictest0-21swapper/600:20:146
2454799120,2cyclictest888752pltrace21:33:366
2454799120,11cyclictest0-21swapper/623:35:016
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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