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2025-12-27 - 04:51
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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 rack0slot2.osadl.org (updated Sat Dec 27, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38794632910,1sleep60-21swapper/600:04:016
38794632910,1sleep60-21swapper/600:04:016
330472725443,8sleep40-21swapper/419:05:224
330171724731,11sleep50-21swapper/519:04:265
3305288994236,5cyclictest3550461-21latency_hist21:14:027
330474724117,8sleep60-21swapper/619:05:406
3305288993933,5cyclictest3850296-21latency_hist23:49:017
32969492392,31sleep70-21swapper/719:04:207
3305282993734,2cyclictest3357422-21kworker/u16:1+events_unbound19:34:045
3305282993532,2cyclictest3357422-21kworker/u16:1+events_unbound19:44:045
3305282993432,2cyclictest3545050-21kworker/u16:3+events_unbound22:49:205
3305282993230,2cyclictest3357422-21kworker/u16:1+events_unbound19:53:215
3305282993129,2cyclictest3571484-21kworker/u16:1+events_unbound21:32:535
3305282993129,2cyclictest3305043-21kworker/u16:0+flush-8:020:04:245
3305282993129,2cyclictest3305043-21kworker/u16:0+flush-8:020:04:245
3305282993028,2cyclictest3897759-21kworker/u16:3+events_unbound00:21:115
3305282993028,2cyclictest3666546-21kworker/u16:0+events_unbound22:48:215
3305282993028,2cyclictest3545050-21kworker/u16:3+flush-8:023:42:205
35575662290,1chrt0-21swapper/521:14:225
3305288992928,0cyclictest0-21swapper/700:09:117
3305288992927,1cyclictest3724582-21perf22:44:017
330528899290,27cyclictest902-21dbus-daemon19:44:027
330528899290,27cyclictest3881844-21grep00:04:207
3305282992927,2cyclictest3695722-21kworker/u16:2+events_unbound23:25:125
3305282992926,2cyclictest3571484-21kworker/u16:1+events_unbound21:54:095
3305274992927,2cyclictest3376594-21kworker/u16:3+events_unbound20:39:014
3305282992826,2cyclictest3897759-21kworker/u16:3+events_unbound00:13:205
3305282992826,2cyclictest3590742-21kworker/u16:2+events_unbound21:46:115
3305282992826,2cyclictest3571484-21kworker/u16:1+events_unbound21:26:525
3305274992825,2cyclictest3865368-21kworker/u16:0+events_unbound00:19:144
3305288992724,2cyclictest3598743-21munin-run21:39:017
3305282992725,2cyclictest3734242-21kworker/u16:1+events_unbound22:58:135
3305282992725,2cyclictest3545050-21kworker/u16:3+events_unbound23:55:135
3305282992624,2cyclictest3695722-21kworker/u16:2+events_unbound23:45:215
3305282992624,2cyclictest3376594-21kworker/u16:3+events_unbound20:57:215
3305288992524,0cyclictest0-21swapper/722:49:047
3305282992523,2cyclictest3865368-21kworker/u16:0+events_unbound00:34:195
3305282992523,2cyclictest3545050-21kworker/u16:3+events_unbound23:12:125
3305282992523,2cyclictest3521726-21kworker/u16:1+events_unbound21:08:125
3305282992523,2cyclictest3520412-21kworker/u16:0+events_unbound21:10:525
3305282992523,2cyclictest3434785-21kworker/u16:2+events_unbound20:20:525
3305282992523,2cyclictest3376594-21kworker/u16:3+flush-8:020:00:125
3305282992523,2cyclictest3376594-21kworker/u16:3+events_unbound20:18:125
3305282992523,2cyclictest3305043-21kworker/u16:0+events_unbound19:55:165
3305282992523,2cyclictest3293813-21kworker/u16:3+flush-8:019:09:125
3305282992522,2cyclictest3293813-21kworker/u16:3+events_unbound19:19:095
3305288992423,0cyclictest0-21swapper/720:45:127
3305288992423,0cyclictest0-21swapper/719:57:047
3305288992423,0cyclictest0-21swapper/719:13:217
3305288992418,5cyclictest3492337-21latency_hist20:44:017
3305282992422,2cyclictest3865368-21kworker/u16:0+events_unbound00:16:555
3305282992422,2cyclictest3434785-21kworker/u16:2+events_unbound20:59:325
3305282992422,2cyclictest3434785-21kworker/u16:2+events_unbound20:43:135
3305282992422,2cyclictest3305043-21kworker/u16:0+events_unbound20:11:125
3305282992422,2cyclictest3293813-21kworker/u16:3+events_unbound19:14:495
3305282992421,2cyclictest3434785-21kworker/u16:2+events_unbound20:24:045
3305274992421,2cyclictest3434785-21kworker/u16:2+flush-8:021:14:284
3305288992322,0cyclictest0-21swapper/723:29:317
3305288992322,0cyclictest0-21swapper/721:22:127
3305288992317,5cyclictest3782629-21latency_hist23:14:017
3305282992321,2cyclictest3840650-21kworker/u16:4+events_unbound00:04:365
3305282992321,2cyclictest3545050-21kworker/u16:3+events_unbound22:08:125
3305282992321,2cyclictest3545050-21kworker/u16:3+events_unbound21:43:135
3305282992321,2cyclictest3357422-21kworker/u16:1+events_unbound19:41:125
3305282992320,2cyclictest3571484-21kworker/u16:1+events_unbound21:59:085
3305288992221,0cyclictest0-21swapper/719:34:157
3305282992219,3cyclictest3293813-21kworker/u16:3+events_unbound19:24:535
3305282992219,2cyclictest3752713-21kworker/u16:0+events_unbound23:04:035
3305274992220,2cyclictest3357422-21kworker/u16:1+events_unbound19:34:254
3305288992121,0cyclictest0-21swapper/722:13:447
3305288992120,0cyclictest0-21swapper/720:13:127
3305288992120,0cyclictest0-21swapper/700:37:207
3305288992120,0cyclictest0-21swapper/700:17:447
3305282992119,2cyclictest3695722-21kworker/u16:2+flush-8:023:01:125
3305282992119,2cyclictest3545050-21kworker/u16:3+flush-8:022:44:025
3305282992119,2cyclictest3376594-21kworker/u16:3+events_unbound20:52:535
3305282992119,2cyclictest3376594-21kworker/u16:3+events_unbound20:35:165
3305274992119,2cyclictest3590742-21kworker/u16:2+flush-8:021:44:284
3305274992119,2cyclictest3357422-21kworker/u16:1+events_unbound19:54:144
3305288992019,0cyclictest0-21swapper/723:37:117
3305288992019,0cyclictest0-21swapper/723:23:127
3305288992019,0cyclictest0-21swapper/719:50:137
3305288992019,0cyclictest0-21swapper/719:25:247
3305288992019,0cyclictest0-21swapper/700:25:397
3305282992018,2cyclictest3695722-21kworker/u16:2+events_unbound22:39:005
3305282992018,2cyclictest3571484-21kworker/u16:1+flush-8:021:37:205
3305282992018,2cyclictest3571484-21kworker/u16:1+events_unbound22:16:245
3305288991918,0cyclictest0-21swapper/722:54:047
3305288991918,0cyclictest0-21swapper/720:55:167
3305288991918,0cyclictest0-21swapper/719:47:047
330528899190,17cyclictest3540738-21perf21:09:017
330528899190,17cyclictest0-21swapper/722:24:257
330528899190,17cyclictest0-21swapper/722:24:257
3305282991917,2cyclictest3928086-21kworker/u16:3+flush-8:000:30:275
3305282991917,2cyclictest3545050-21kworker/u16:3+events_unbound21:23:095
3305274991917,2cyclictest3928086-21kworker/u16:3+flush-8:000:39:014
330528899188,9cyclictest0-21swapper/719:19:207
3305288991817,0cyclictest0-21swapper/720:05:167
3305288991817,0cyclictest0-21swapper/720:05:167
3305288991816,1cyclictest0-21swapper/720:19:227
3305288991815,2cyclictest1267-21snmpd22:05:287
330528899180,17cyclictest1267-21snmpd23:03:417
3305282991816,2cyclictest3840650-21kworker/u16:4+events_unbound00:01:195
3305282991816,2cyclictest3840650-21kworker/u16:4+events_unbound00:01:195
3305282991816,2cyclictest3376594-21kworker/u16:3+events_unbound20:46:365
3305282991816,2cyclictest3293813-21kworker/u16:3+events_unbound19:30:295
3305274991816,2cyclictest3840650-21kworker/u16:4+flush-8:000:04:014
3305274991816,2cyclictest3840650-21kworker/u16:4+flush-8:000:04:014
3305274991816,2cyclictest3521726-21kworker/u16:1+flush-8:021:04:284
3305274991814,3cyclictest3695722-21kworker/u16:2+flush-8:000:04:274
3305288991716,0cyclictest0-21swapper/719:29:227
3305282991715,2cyclictest3695722-21kworker/u16:2+flush-8:022:33:565
3305282991715,2cyclictest3376594-21kworker/u16:3+events_unbound20:32:535
3305288991616,0cyclictest0-21swapper/723:58:127
3305288991615,0cyclictest0-21swapper/721:54:127
3305288991615,0cyclictest0-21swapper/720:30:527
3305282991614,2cyclictest3865368-21kworker/u16:0+events_unbound00:27:485
3305282991614,2cyclictest3752713-21kworker/u16:0+events_unbound23:14:365
3305282991614,2cyclictest3695722-21kworker/u16:2+events_unbound23:51:275
3305282991614,2cyclictest3666546-21kworker/u16:0+flush-8:022:14:015
3305282991614,2cyclictest3545050-21kworker/u16:3+flush-8:023:35:205
3305274991613,3cyclictest3695722-21kworker/u16:2+flush-8:023:44:274
3305288991511,3cyclictest96-21ksoftirqd/723:14:187
330528899150,14cyclictest0-21swapper/723:49:267
3305284991512,3cyclictest0-21swapper/620:04:286
3305284991512,3cyclictest0-21swapper/620:04:286
3305282991513,2cyclictest3793916-21kworker/u16:1+events_unbound23:20:245
3305282991513,2cyclictest3695722-21kworker/u16:2+events_unbound23:31:015
3305282991513,2cyclictest3618449-21kworker/u16:4+flush-8:021:49:245
3305282991513,2cyclictest3545050-21kworker/u16:3+events_unbound22:20:115
3305274991513,2cyclictest3434785-21kworker/u16:2+flush-8:020:29:174
3305274991512,2cyclictest3520412-21kworker/u16:0+flush-8:021:09:284
330528899147,6cyclictest6344-21gmain20:14:287
330528899140,1cyclictest0-21swapper/719:59:257
330528899140,13cyclictest0-21swapper/721:44:267
330528499140,1cyclictest0-21swapper/620:14:146
330528499140,14cyclictest0-21swapper/600:14:116
330528499140,0cyclictest0-21swapper/621:02:476
3305274991412,2cyclictest3695722-21kworker/u16:2+flush-8:022:44:274
3305274991412,2cyclictest3545050-21kworker/u16:3+events_unbound22:24:254
3305274991412,2cyclictest3545050-21kworker/u16:3+events_unbound22:24:254
3305274991412,2cyclictest3520412-21kworker/u16:0+events_unbound21:19:144
3305274991412,2cyclictest3453767-21kworker/u16:4+flush-8:020:54:204
330527499140,13cyclictest0-21swapper/421:29:134
330528899139,3cyclictest1267-21snmpd23:39:277
330528899139,3cyclictest1267-21snmpd21:40:187
330528899139,3cyclictest1267-21snmpd21:25:067
330528899137,5cyclictest5944-21gmain23:04:237
330528899136,6cyclictest6053-21gmain22:19:277
330528899136,6cyclictest5944-21gmain22:30:157
330528899136,6cyclictest5944-21gmain21:00:357
330528899136,6cyclictest5944-21gmain20:50:157
330528899136,6cyclictest5777-21gmain20:38:277
3305288991312,0cyclictest0-21swapper/722:34:177
3305288991312,0cyclictest0-21swapper/700:21:117
330528499130,1cyclictest0-21swapper/623:42:586
3305274991312,1cyclictest0-21swapper/423:18:564
3305274991312,1cyclictest0-21swapper/419:19:184
3305274991311,2cyclictest3752713-21kworker/u16:0+flush-8:022:59:194
3305274991311,2cyclictest3590742-21kworker/u16:2+flush-8:021:49:114
330528899128,3cyclictest1267-21snmpd23:29:007
330528899128,3cyclictest1267-21snmpd22:47:027
330528899126,5cyclictest6344-21gmain20:25:117
330528899126,5cyclictest6053-21gmain21:49:517
330528899126,5cyclictest5944-21gmain00:02:357
330528899126,5cyclictest5944-21gmain00:02:357
330528899125,6cyclictest5777-21gmain00:29:237
330528899125,5cyclictest6450-21gmain21:29:157
330528899120,11cyclictest3558342-21cut21:14:227
330528499128,3cyclictest3571484-21kworker/u16:1+flush-8:021:40:016
330528499125,2cyclictest3329626-21irqcore19:19:186
330528499122,4cyclictest3767882-21cut23:04:186
3305284991211,1cyclictest0-21swapper/622:29:026
330528499120,1cyclictest0-21swapper/623:48:106
330528499120,11cyclictest0-21swapper/619:54:036
330528299129,2cyclictest3666546-21kworker/u16:0+events_unbound22:24:055
330528299129,2cyclictest3666546-21kworker/u16:0+events_unbound22:24:055
3305274991211,1cyclictest0-21swapper/423:53:284
3305274991210,2cyclictest3752713-21kworker/u16:0+flush-8:023:13:564
3305274991210,2cyclictest3695722-21kworker/u16:2+flush-8:000:24:164
3305274991210,2cyclictest3695722-21kworker/u16:2+flush-8:000:14:194
330527499120,1cyclictest0-21swapper/420:11:014
330527499120,12cyclictest0-21swapper/420:04:334
330527499120,12cyclictest0-21swapper/420:04:334
330527499120,12cyclictest0-21swapper/419:30:114
330528899117,3cyclictest1267-21snmpd22:15:467
330528899117,3cyclictest1267-21snmpd19:16:337
330528899115,5cyclictest6344-21gmain21:59:157
330528499119,2cyclictest0-21swapper/619:11:396
330528499117,3cyclictest3483846-21cat20:39:176
330528499116,4cyclictest3454898-21cat20:24:176
330528499116,4cyclictest0-21swapper/621:49:236
330528499114,2cyclictest3793654-21irqcore23:19:166
330528499114,2cyclictest3667105-21cpuspeed_turbos22:14:146
330528499113,4cyclictest3617170-21open_inodes21:44:276
330528499113,3cyclictest3808716-21cut23:24:216
330528499113,3cyclictest3679942-21cut22:19:226
330528499113,3cyclictest3542490-21cat21:09:206
330528499113,3cyclictest3515397-21cut20:54:216
330528499113,3cyclictest3429867-21cut20:09:206
330528499113,3cyclictest3369972-21cut19:39:206
330528499113,3cyclictest3317002-21cut19:14:056
330528499112,4cyclictest3867230-21grep23:54:236
330528499112,4cyclictest3728660-21kthreadcore22:44:226
330528499112,4cyclictest3690198-21cut22:24:216
330528499112,4cyclictest3690198-21cut22:24:216
330528499112,4cyclictest3659456-21cut22:09:186
330528499112,4cyclictest3632135-21grep21:54:196
330528499112,4cyclictest3577974-21cut21:24:216
330528499112,4cyclictest3499362-21tr20:44:226
330528499112,4cyclictest3414171-21ntp_offset19:59:266
330528499112,3cyclictest3909496-21hostname00:19:156
330528499112,3cyclictest3857831-21cut23:49:236
330528499112,3cyclictest3780823-21kthreadcore23:09:236
330528499112,3cyclictest3535882-21cut21:04:216
330528499110,11cyclictest0-21swapper/621:29:546
330528499110,11cyclictest0-21swapper/620:50:306
330527499119,2cyclictest3545050-21kworker/u16:3+flush-8:023:29:264
330527499119,2cyclictest3222375-21kworker/u16:2+events_unbound19:14:164
330527499117,3cyclictest3764421-21cat23:04:154
330527499117,3cyclictest3522508-21cat20:59:174
3305274991110,1cyclictest0-21swapper/423:35:294
3305274991110,1cyclictest0-21swapper/423:23:404
3305274991110,1cyclictest0-21swapper/422:29:544
3305274991110,1cyclictest0-21swapper/420:01:054
3305274991110,1cyclictest0-21swapper/419:50:504
3305274991110,1cyclictest0-21swapper/400:31:184
330527499110,1cyclictest0-21swapper/423:55:594
330527499110,1cyclictest0-21swapper/422:23:084
330527499110,11cyclictest0-21swapper/420:47:454
330527499110,11cyclictest0-21swapper/419:26:334
36670542100,1sleep40-21swapper/422:14:144
330528499106,3cyclictest3339083-21cat19:24:176
330528499105,1cyclictest0-21swapper/622:34:176
330528499105,1cyclictest0-21swapper/619:29:196
330528499104,2cyclictest3928094-21cpu00:29:136
330528499104,2cyclictest3921581-21kthreadcore00:24:196
330528499104,2cyclictest3564761-21kthreadcore21:19:186
330528499104,2cyclictest3365755-21missed_timers19:34:236
330528499104,1cyclictest3941904-21kthreadcore00:34:186
330528499103,2cyclictest3893846-21kthreadcore00:09:216
330528499103,2cyclictest3879801-21cpu00:04:156
330528499103,2cyclictest3826345-21kthreadcore23:34:186
330528499103,2cyclictest0-21swapper/622:39:206
330528499102,4cyclictest3645256-21cut21:59:226
330528499102,4cyclictest3590019-21dnf21:34:186
330528499102,3cyclictest3820485-21processes23:29:286
330528499102,3cyclictest3784835-21cut23:14:196
330528499102,3cyclictest3754825-21irqcore22:59:196
330528499102,3cyclictest3650309-21cut22:04:216
330528499102,3cyclictest3387751-21kernelversion19:49:186
330528499102,3cyclictest3381300-21cut19:44:236
330528499102,2cyclictest3464617-21irqcore20:29:196
330528499101,4cyclictest3444544-21cat20:19:136
330528499100,5cyclictest0-21swapper/622:54:216
330527499109,1cyclictest0-21swapper/422:53:054
330527499106,3cyclictest3435564-21cat20:14:174
33052849993,2cyclictest3474108-21fschecks_time20:34:166
33052849990,4cyclictest3553991-21grep21:14:196
33052749998,1cyclictest0-21swapper/422:55:174
33052749998,1cyclictest0-21swapper/422:39:124
33052749998,1cyclictest0-21swapper/420:20:194
33052749998,1cyclictest0-21swapper/400:11:174
33052749996,2cyclictest0-21swapper/423:39:204
33052749994,4cyclictest3306284-21cat19:09:174
33052749990,8cyclictest3807004-21kthreadcore23:24:204
33052749986,2cyclictest3695722-21kworker/u16:2+flush-8:022:34:164
33052749986,1cyclictest0-21swapper/421:39:194
33052749986,1cyclictest0-21swapper/421:34:214
33052749986,1cyclictest0-21swapper/421:24:174
33052749986,1cyclictest0-21swapper/419:39:224
33052749984,3cyclictest3454895-21cat20:24:174
33052749984,3cyclictest3385219-21grep19:44:284
33052749983,4cyclictest3661402-21cut22:09:204
33052749983,4cyclictest3650813-21cut22:04:214
33052749983,4cyclictest3639872-21cut21:59:194
33052749983,4cyclictest3636885-21wc21:54:294
33052749983,4cyclictest3508115-21grep20:49:224
33052749973,3cyclictest3483067-21cpu20:39:134
33052849963,2cyclictest5828-21pool-spawner22:50:446
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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