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2025-12-26 - 01:15
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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 Fri Dec 26, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25138732980,1sleep72511828-21kthreadcore22:19:267
213487625545,7sleep40-21swapper/419:06:064
213495525219,29sleep70-21swapper/719:07:137
2135389995144,6cyclictest2603988-21latency_hist23:09:057
212549124735,8sleep50-21swapper/519:04:075
2135389994437,6cyclictest2371685-21latency_hist21:09:057
213538999400,38cyclictest650-21systemd-journal19:49:057
213538999400,38cyclictest650-21systemd-journal19:49:057
2135380994037,2cyclictest2690943-21kworker/u16:3+flush-8:000:29:055
2135388993937,2cyclictest2373672-21kworker/u16:3+flush-8:021:29:056
213503823929,7sleep60-21swapper/619:08:256
2135388993735,2cyclictest2105840-21kworker/u16:1+flush-8:021:39:056
2135380993532,2cyclictest2105840-21kworker/u16:1+events_unbound21:44:205
2135389993125,5cyclictest2236042-21latency_hist19:59:067
2135388993129,2cyclictest2105840-21kworker/u16:1+flush-8:020:59:066
2135389993024,5cyclictest2332917-21latency_hist20:49:067
2135388993028,2cyclictest2690943-21kworker/u16:3+events_unbound23:54:306
2135388992926,2cyclictest2353400-21kworker/u16:2+flush-8:021:09:066
2135380992927,2cyclictest2690943-21kworker/u16:3+events_unbound00:04:315
2135380992927,2cyclictest2497483-21kworker/u16:2+events_unbound22:39:235
2135380992927,2cyclictest2468835-21kworker/u16:0+flush-8:022:09:055
2135388992825,2cyclictest2265736-21kworker/u16:0+events_unbound21:19:196
2135388992825,2cyclictest2265736-21kworker/u16:0+events_unbound21:19:196
2135380992826,2cyclictest2468835-21kworker/u16:0+events_unbound21:59:195
2135388992725,2cyclictest2690943-21kworker/u16:3+flush-8:000:24:056
2135388992724,2cyclictest2589650-21kworker/u16:1+events_unbound23:44:186
2135388992724,2cyclictest2589650-21kworker/u16:1+events_unbound23:44:186
2135380992724,2cyclictest2652681-21kworker/u16:2+events_unbound23:54:185
2135380992724,2cyclictest2526912-21kworker/u16:3+events_unbound22:59:195
26588272260,1sleep70-21swapper/723:34:267
2135388992624,2cyclictest2560824-21kworker/u16:4+flush-8:023:19:056
2135388992624,2cyclictest2158586-21kworker/u16:2+events_unbound20:09:316
2135389992519,5cyclictest2323251-21latency_hist20:44:067
2135388992523,2cyclictest2604181-21kworker/u16:0+flush-8:023:14:056
2135388992523,2cyclictest2497483-21kworker/u16:2+flush-8:022:19:306
2135380992523,2cyclictest2652681-21kworker/u16:2+events_unbound23:34:185
2135380992523,2cyclictest2526912-21kworker/u16:3+flush-8:022:29:365
2135388992422,2cyclictest2526912-21kworker/u16:3+events_unbound22:34:066
2135388992422,2cyclictest2420131-21kworker/u16:2+events_unbound21:39:356
2135380992422,2cyclictest2690943-21kworker/u16:3+flush-8:000:39:005
2135380992422,2cyclictest2105840-21kworker/u16:1+flush-8:021:04:275
2135380992421,2cyclictest2690943-21kworker/u16:3+events_unbound23:59:235
2135389992317,5cyclictest2352273-21latency_hist20:59:067
2135380992321,2cyclictest2589650-21kworker/u16:1+events_unbound23:44:225
2135380992321,2cyclictest2589650-21kworker/u16:1+events_unbound23:44:225
2135380992321,2cyclictest2265736-21kworker/u16:0+flush-8:020:59:375
2135380992321,2cyclictest2105840-21kworker/u16:1+events_unbound21:34:285
2135380992220,2cyclictest2105840-21kworker/u16:1+events_unbound19:39:295
2135388992119,2cyclictest2652681-21kworker/u16:2+flush-8:000:39:056
2135388992119,2cyclictest2545556-21kworker/u16:0+flush-8:022:39:066
2135389992018,1cyclictest2226354-21basename19:54:057
2135388992018,2cyclictest2652681-21kworker/u16:2+flush-8:000:29:356
2135388992018,2cyclictest2284637-21kworker/u16:2+events_unbound20:44:406
2135388992018,2cyclictest2265736-21kworker/u16:0+events_unbound20:19:276
2135380992018,2cyclictest2284637-21kworker/u16:2+flush-8:020:39:345
2135380992017,3cyclictest2604181-21kworker/u16:0+events_unbound23:14:305
2135389991913,5cyclictest2565278-21latency_hist22:49:057
2135388991917,2cyclictest623025-21kworker/u16:0+flush-8:019:14:376
2135388991917,2cyclictest2652681-21kworker/u16:2+events_unbound00:24:186
2135388991917,2cyclictest2652681-21kworker/u16:2+events_unbound00:04:336
2135380991917,2cyclictest2681062-21kworker/u16:0+flush-8:023:49:375
2135380991917,2cyclictest2105840-21kworker/u16:1+flush-8:022:44:215
2135380991917,2cyclictest2105840-21kworker/u16:1+flush-8:019:19:215
2135389991814,3cyclictest1267-21snmpd22:01:577
213538999180,16cyclictest0-21swapper/722:04:327
2135388991816,2cyclictest2105840-21kworker/u16:1+flush-8:019:19:246
2135380991816,2cyclictest2690943-21kworker/u16:3+flush-8:000:19:215
2135380991816,2cyclictest2265736-21kworker/u16:0+flush-8:020:29:265
2135380991816,2cyclictest2216773-21kworker/u16:3+events_unbound19:54:265
213538999178,8cyclictest0-21swapper/720:59:257
2135389991713,3cyclictest1267-21snmpd23:15:147
2135389991713,3cyclictest1267-21snmpd21:25:507
213538999170,16cyclictest0-21swapper/722:09:317
213538999170,16cyclictest0-21swapper/722:09:317
2135388991715,2cyclictest2265736-21kworker/u16:0+events_unbound20:29:316
2135388991715,2cyclictest2168226-21kworker/u16:3+flush-8:019:24:376
2135380991715,2cyclictest2265736-21kworker/u16:0+events_unbound20:14:265
2135375991716,1cyclictest0-21swapper/423:33:154
2135375991716,1cyclictest0-21swapper/423:02:324
2135375991716,1cyclictest0-21swapper/420:58:384
2135375991716,1cyclictest0-21swapper/420:42:154
2135375991716,1cyclictest0-21swapper/419:37:444
2135375991716,1cyclictest0-21swapper/419:20:204
2135375991716,1cyclictest0-21swapper/400:38:474
2135375991716,1cyclictest0-21swapper/400:24:274
2135389991613,2cyclictest2168214-21basename19:24:067
2135389991612,3cyclictest1267-21snmpd19:09:097
2135389991610,5cyclictest2284518-21latency_hist20:24:057
2135389991610,5cyclictest2255454-21latency_hist20:09:067
213538999160,14cyclictest0-21swapper/721:54:307
213538999160,14cyclictest0-21swapper/721:14:327
2135388991613,2cyclictest0-21swapper/620:49:286
2135380991614,2cyclictest2604181-21kworker/u16:0+events_unbound23:34:005
2135380991614,2cyclictest1441137-21kworker/u16:6+events_unbound19:09:305
2135375991615,1cyclictest0-21swapper/423:51:414
2135375991615,1cyclictest0-21swapper/423:43:294
2135375991615,1cyclictest0-21swapper/423:34:164
2135375991615,1cyclictest0-21swapper/423:25:034
2135375991615,1cyclictest0-21swapper/423:10:434
2135375991615,1cyclictest0-21swapper/423:08:404
2135375991615,1cyclictest0-21swapper/422:44:064
2135375991615,1cyclictest0-21swapper/422:35:544
2135375991615,1cyclictest0-21swapper/422:29:464
2135375991615,1cyclictest0-21swapper/422:04:104
2135375991615,1cyclictest0-21swapper/421:55:584
2135375991615,1cyclictest0-21swapper/421:39:354
2135375991615,1cyclictest0-21swapper/421:05:484
2135375991615,1cyclictest0-21swapper/420:33:024
2135375991615,1cyclictest0-21swapper/420:25:524
2135375991615,1cyclictest0-21swapper/420:16:394
2135375991615,1cyclictest0-21swapper/420:01:174
2135375991615,1cyclictest0-21swapper/419:53:064
2135375991615,1cyclictest0-21swapper/419:44:544
2135375991615,1cyclictest0-21swapper/419:44:544
2135375991615,1cyclictest0-21swapper/419:43:534
2135375991615,1cyclictest0-21swapper/419:13:104
2135375991615,1cyclictest0-21swapper/400:32:384
2135375991615,1cyclictest0-21swapper/400:23:254
2135375991615,1cyclictest0-21swapper/400:14:124
213538999159,5cyclictest2526530-21latency_hist22:29:067
2135389991511,3cyclictest1267-21snmpd20:28:287
2135388991513,2cyclictest2589650-21kworker/u16:1+events_unbound23:04:286
2135388991513,2cyclictest2168226-21kworker/u16:3+events_unbound19:34:216
213538899150,1cyclictest0-21swapper/619:39:286
213538899150,14cyclictest2247368-21/usr/sbin/munin20:04:226
2135380991513,2cyclictest2420131-21kworker/u16:2+flush-8:021:39:305
2135375991514,1cyclictest0-21swapper/422:13:234
2135375991514,1cyclictest0-21swapper/422:13:234
213537599150,8cyclictest2720616-21/usr/sbin/munin00:09:194
213538999149,4cyclictest6184-21gvfs-afc-volume23:09:337
213538999146,7cyclictest6344-21gmain19:39:357
2135389991410,2cyclictest0-21swapper/721:09:337
213538999140,1cyclictest0-21swapper/720:29:337
213538999140,13cyclictest0-21swapper/723:19:297
213538999140,12cyclictest1267-21snmpd23:40:367
2135388991412,2cyclictest2652681-21kworker/u16:2+events_unbound23:44:006
2135388991412,2cyclictest2105840-21kworker/u16:1+flush-8:022:14:316
2135388991412,2cyclictest2105840-21kworker/u16:1+flush-8:019:54:216
213538899140,13cyclictest0-21swapper/619:44:126
213538899140,13cyclictest0-21swapper/619:44:126
2135380991413,1cyclictest0-21swapper/519:44:205
2135380991413,1cyclictest0-21swapper/519:44:205
2135380991412,2cyclictest623025-21kworker/u16:0+flush-8:019:14:265
213538099140,1cyclictest0-21swapper/523:04:245
2135375991413,1cyclictest0-21swapper/421:22:114
2135375991413,1cyclictest0-21swapper/421:22:114
213537599140,1cyclictest2515912-21ntpq22:19:294
213537599140,1cyclictest0-21swapper/422:59:034
213537599140,1cyclictest0-21swapper/422:26:234
213538999139,3cyclictest2419106-21ntpq21:29:317
213538999139,3cyclictest1267-21snmpd23:56:037
213538999139,3cyclictest1267-21snmpd20:51:357
213538999139,3cyclictest1267-21snmpd00:36:587
213538999134,7cyclictest6184-21gvfs-afc-volume23:44:297
213538999134,7cyclictest6184-21gvfs-afc-volume23:44:297
2135389991310,2cyclictest2739923-21/usr/sbin/munin00:19:297
213538999130,2cyclictest0-21swapper/722:14:317
213538999130,12cyclictest2573579-21kthreadcore22:49:307
213538999130,11cyclictest650-21systemd-journal19:59:067
213538999130,11cyclictest2553721-21kthreadcore22:39:257
213538899139,3cyclictest2585865-21cat22:59:226
2135388991311,2cyclictest2497483-21kworker/u16:2+events_unbound22:29:006
2135388991311,2cyclictest2105840-21kworker/u16:1+events_unbound19:59:206
213538899130,1cyclictest0-21swapper/622:09:056
2135380991312,1cyclictest0-21swapper/520:04:315
2135380991311,2cyclictest2526912-21kworker/u16:3+events_unbound22:54:305
213538099130,13cyclictest0-21swapper/500:10:185
2135375991312,1cyclictest0-21swapper/422:03:084
2135375991312,1cyclictest0-21swapper/420:09:294
213537599130,3cyclictest26750601kthreadcore23:44:244
213537599130,3cyclictest26750601kthreadcore23:44:244
213537599130,3cyclictest23726511fschecks_count21:09:224
213537599130,3cyclictest23102451kthreadcore20:34:284
213537599130,13cyclictest0-21swapper/422:52:174
213538999129,2cyclictest1267-21snmpd21:42:427
213538999128,3cyclictest2178313-21/usr/sbin/munin19:29:337
213538999128,3cyclictest1267-21snmpd23:26:037
213538999128,3cyclictest1267-21snmpd22:35:597
213538999128,3cyclictest1267-21snmpd21:37:487
213538999128,3cyclictest1267-21snmpd20:34:527
213538999128,3cyclictest1267-21snmpd19:26:037
213538999127,3cyclictest2526921-21/usr/sbin/munin22:29:217
213538999125,6cyclictest0-21swapper/723:29:527
213538999125,6cyclictest0-21swapper/700:13:257
213538999121,10cyclictest2593399-21ntpq22:59:317
213538999120,2cyclictest0-21swapper/720:14:347
213538999120,10cyclictest2457825-21ntp_states21:49:327
213538999120,10cyclictest0-21swapper/722:54:317
213538999120,10cyclictest0-21swapper/700:04:387
213538899129,2cyclictest2560824-21kworker/u16:4+flush-8:023:24:216
213538899129,2cyclictest2284637-21kworker/u16:2+flush-8:020:39:016
2135388991211,1cyclictest0-21swapper/621:03:206
2135388991210,2cyclictest2652681-21kworker/u16:2+events_unbound23:54:006
2135388991210,2cyclictest2652681-21kworker/u16:2+events_unbound00:14:296
2135388991210,2cyclictest2560824-21kworker/u16:4+events_unbound23:29:366
2135380991211,1cyclictest0-21swapper/523:26:385
2135380991210,2cyclictest2105840-21kworker/u16:1+flush-8:021:14:055
2135380991210,2cyclictest2105840-21kworker/u16:1+flush-8:020:54:015
213538099120,0cyclictest0-21swapper/519:25:165
213537599128,3cyclictest2179107-21cat19:29:214
2135375991211,1cyclictest0-21swapper/423:59:364
2135375991211,1cyclictest0-21swapper/421:47:484
2135375991211,1cyclictest0-21swapper/420:49:254
2135375991210,1cyclictest0-21swapper/400:04:294
213537599120,4cyclictest2506972-21chrt22:15:224
213537599120,1cyclictest0-21swapper/423:57:144
213538999118,2cyclictest6420-21wpa_supplicant23:59:257
213538999118,2cyclictest1267-21snmpd19:16:277
213538999117,3cyclictest96-21ksoftirqd/720:09:247
213538999111,9cyclictest1060-21runrttasks00:29:277
213538999110,2cyclictest2683566-21sshd-session23:49:257
213538999110,10cyclictest0-21swapper/721:19:347
213538999110,10cyclictest0-21swapper/721:19:347
213538999110,10cyclictest0-21swapper/719:34:327
2135388991110,1cyclictest0-21swapper/622:47:526
2135388991110,1cyclictest0-21swapper/622:11:086
2135388991110,1cyclictest0-21swapper/622:11:086
213538899110,1cyclictest0-21swapper/621:32:026
213538899110,11cyclictest0-21swapper/622:56:416
213538899110,11cyclictest0-21swapper/619:30:006
213538099119,2cyclictest2439440-21kworker/u16:0+events_unbound21:49:215
213538099119,2cyclictest2373672-21kworker/u16:3+events_unbound21:24:225
213538099119,2cyclictest2168226-21kworker/u16:3+flush-8:019:34:355
213538099119,2cyclictest2105840-21kworker/u16:1+flush-8:021:19:305
213538099119,2cyclictest2105840-21kworker/u16:1+flush-8:021:19:305
213538099117,3cyclictest2624483-21cat23:19:205
213538099117,3cyclictest2537389-21cat22:34:215
2135380991110,1cyclictest0-21swapper/520:54:295
2135380991110,1cyclictest0-21swapper/520:28:575
213538099110,11cyclictest0-21swapper/522:24:595
213538099110,11cyclictest0-21swapper/522:11:545
213538099110,11cyclictest0-21swapper/522:11:545
213538099110,11cyclictest0-21swapper/500:17:425
213537599119,2cyclictest0-21swapper/421:31:054
213537599113,7cyclictest2631631-21cut23:19:264
213537599113,7cyclictest2277532-21cut20:19:234
213537599112,8cyclictest2250803-21cut20:04:254
213537599112,8cyclictest0-21swapper/421:51:174
2135375991110,1cyclictest0-21swapper/421:35:394
2135375991110,1cyclictest0-21swapper/421:18:474
2135375991110,1cyclictest0-21swapper/419:26:324
213537599110,4cyclictest2235126-21uname19:54:294
213537599110,3cyclictest21480721kthreadcore19:14:084
213537599110,11cyclictest0-21swapper/422:43:274
213538999107,2cyclictest0-21swapper/721:44:337
213538999105,5cyclictest6184-21gvfs-afc-volume00:24:287
213538999100,1cyclictest0-21swapper/700:14:257
213538899109,1cyclictest0-21swapper/621:14:516
213538899109,1cyclictest0-21swapper/621:05:336
213538899109,1cyclictest0-21swapper/619:11:246
213538899107,2cyclictest0-21swapper/621:49:246
213538899106,3cyclictest2459926-21cat21:54:216
213538099108,2cyclictest2652681-21kworker/u16:2+flush-8:000:29:305
213538099108,2cyclictest2265736-21kworker/u16:0+events_unbound21:14:405
213538099108,2cyclictest2105840-21kworker/u16:1+flush-8:020:34:315
213537599102,7cyclictest2617293-21cat23:14:244
213537599100,8cyclictest2352709-21cpu20:59:184
213537599100,4cyclictest2324791-21irqcore20:44:264
213537599100,2cyclictest2401136-21cpu21:24:204
21353889997,2cyclictest2652681-21kworker/u16:2+flush-8:023:34:206
21353889997,1cyclictest0-21swapper/623:59:246
21353889997,1cyclictest0-21swapper/623:19:246
21353889997,1cyclictest0-21swapper/622:39:226
21353889997,1cyclictest0-21swapper/621:44:256
21353889997,1cyclictest0-21swapper/620:39:186
21353889997,1cyclictest0-21swapper/620:14:296
21353889997,1cyclictest0-21swapper/619:49:176
21353889997,1cyclictest0-21swapper/600:09:286
21353889994,4cyclictest2469119-21grep21:59:186
21353809998,1cyclictest0-21swapper/523:42:055
21353809998,1cyclictest0-21swapper/523:13:235
21353809998,1cyclictest0-21swapper/522:22:475
21353809997,2cyclictest2560824-21kworker/u16:4+flush-8:022:50:015
21353809994,4cyclictest2467565-21pmu-power21:54:325
21353889984,3cyclictest2285511-21fschecks_count20:24:206
21353809987,1cyclictest0-21swapper/519:29:505
21353809983,4cyclictest2498748-21cat22:14:225
21353809983,4cyclictest2325780-21cut20:44:275
21353889975,1cyclictest0-21swapper/622:49:206
21353809975,1cyclictest0-21swapper/520:19:235
21353809975,1cyclictest0-21swapper/519:49:175
21353809974,2cyclictest2412014-21kthreadcore21:29:235
21353809972,4cyclictest2255860-21cpu20:09:195
21353809972,4cyclictest2237525-21cut19:59:225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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