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2026-08-13 - 08:20
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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 Thu Aug 13, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29224502970,1sleep72922451-21sh23:23:117
235964225646,7sleep40-21swapper/419:05:304
235952325419,30sleep70-21swapper/719:03:487
235960624131,7sleep50-21swapper/519:04:585
2360117993835,2cyclictest2946028-21kworker/u16:3+events_unbound00:33:045
2360117993634,2cyclictest2787855-21kworker/u16:0+events_unbound22:31:505
2360117993432,2cyclictest2801696-21kworker/u16:1+events_unbound22:40:285
2360117993432,2cyclictest2657358-21kworker/u16:2+flush-8:021:34:415
2360117993431,2cyclictest2787855-21kworker/u16:0+events_unbound22:54:445
28615862330,1chrt2861587-21sh22:57:387
2360117993331,2cyclictest2946028-21kworker/u16:3+events_unbound00:32:385
2360117993331,2cyclictest2657358-21kworker/u16:2+events_unbound21:44:425
2360117993230,2cyclictest2910051-21kworker/u16:4+events_unbound23:34:265
2360117993230,2cyclictest2910051-21kworker/u16:4+events_unbound00:16:095
2360117993230,2cyclictest2801696-21kworker/u16:1+events_unbound23:29:465
2360117993230,2cyclictest2681827-21kworker/u16:3+events_unbound22:21:425
2360117993229,2cyclictest2528885-21kworker/u16:4+flush-8:021:53:105
2360122993129,2cyclictest3006698-21kworker/u16:2+events_unbound23:58:186
2360122993129,2cyclictest2657358-21kworker/u16:2+flush-8:021:43:186
2360122993129,2cyclictest2369668-21kworker/u16:1+events_unbound19:28:196
2360117993129,2cyclictest2946028-21kworker/u16:3+events_unbound00:21:575
2360117993129,2cyclictest2910051-21kworker/u16:4+events_unbound23:56:005
2360117993129,2cyclictest2681827-21kworker/u16:3+events_unbound21:52:335
2360117993129,2cyclictest2657358-21kworker/u16:2+events_unbound22:01:425
2360117993129,2cyclictest2657358-21kworker/u16:2+events_unbound21:39:105
2360117993129,2cyclictest2657358-21kworker/u16:2+events_unbound21:39:105
2360117993129,2cyclictest2610909-21kworker/u16:1+events_unbound21:14:425
2360117993129,2cyclictest2528885-21kworker/u16:4+events_unbound21:11:585
235979723121,7sleep60-21swapper/619:07:406
2360130993028,1cyclictest0-21swapper/719:13:057
2360117993028,2cyclictest2946028-21kworker/u16:3+events_unbound00:27:205
2360117993028,2cyclictest2801696-21kworker/u16:1+flush-8:023:20:095
2360117993028,2cyclictest2618597-21kworker/u16:3+events_unbound21:26:275
2360117993027,2cyclictest2657358-21kworker/u16:2+flush-8:022:48:045
2360117992927,2cyclictest2910051-21kworker/u16:4+events_unbound00:04:575
2360117992927,2cyclictest2618597-21kworker/u16:3+events_unbound21:18:565
2360117992927,2cyclictest2369668-21kworker/u16:1+flush-8:019:23:505
2360117992927,2cyclictest2369668-21kworker/u16:1+events_unbound20:01:545
2360117992926,2cyclictest2402546-21kworker/u16:3+events_unbound19:28:045
2360122992826,2cyclictest2967873-21kworker/u16:0+flush-8:023:53:306
2360122992826,2cyclictest2321185-21kworker/u16:2+flush-8:019:38:186
2360122992825,2cyclictest2369668-21kworker/u16:1+events_unbound19:23:306
2360117992826,2cyclictest2967873-21kworker/u16:0+flush-8:023:49:415
2360117992826,2cyclictest2872326-21kworker/u16:3+flush-8:023:04:215
2360117992826,2cyclictest2801696-21kworker/u16:1+events_unbound22:34:385
2360122992725,2cyclictest2528885-21kworker/u16:4+flush-8:021:08:336
2360122992725,2cyclictest2369668-21kworker/u16:1+events_unbound20:08:196
2360117992725,2cyclictest2910051-21kworker/u16:4+events_unbound00:02:325
2360117992725,2cyclictest2886130-21kworker/u16:2+events_unbound23:25:565
2360117992725,2cyclictest2886130-21kworker/u16:2+events_unbound23:16:335
2360117992725,2cyclictest2528885-21kworker/u16:4+events_unbound20:37:265
2360130992624,1cyclictest2810989-21sh22:33:297
2360122992624,2cyclictest2886130-21kworker/u16:2+events_unbound23:18:266
2360122992624,2cyclictest2886130-21kworker/u16:2+events_unbound23:08:176
2360117992624,2cyclictest3030540-21kworker/u16:0+events_unbound00:09:095
2360117992624,2cyclictest2946028-21kworker/u16:3+events_unbound23:39:565
2360117992624,2cyclictest2787855-21kworker/u16:0+events_unbound23:10:375
2360117992624,2cyclictest2681827-21kworker/u16:3+flush-8:022:24:165
2360117992624,2cyclictest2618597-21kworker/u16:3+events_unbound21:32:475
2360117992624,2cyclictest2577002-21kworker/u16:2+events_unbound20:55:455
2360117992624,2cyclictest2499984-21kworker/u16:3+events_unbound20:38:135
2360122992523,2cyclictest2499984-21kworker/u16:3+events_unbound20:33:186
2360122992523,2cyclictest2481058-21kworker/u16:2+events_unbound20:18:176
2360117992523,2cyclictest2801696-21kworker/u16:1+events_unbound23:01:485
2360117992523,2cyclictest2681827-21kworker/u16:3+events_unbound22:10:475
2360117992523,2cyclictest2681827-21kworker/u16:3+events_unbound22:07:165
2360117992523,2cyclictest2657358-21kworker/u16:2+events_unbound22:14:205
2360117992523,2cyclictest2430515-21kworker/u16:0+flush-8:020:43:095
2360117992523,2cyclictest2321185-21kworker/u16:2+events_unbound19:18:255
2360122992422,2cyclictest2946028-21kworker/u16:3+flush-8:000:13:196
2360122992422,2cyclictest2657358-21kworker/u16:2+events_unbound22:28:036
2360122992420,3cyclictest2946028-21kworker/u16:3+events_unbound00:33:256
2360122992420,3cyclictest2430515-21kworker/u16:0+flush-8:020:38:296
2360117992422,2cyclictest2657358-21kworker/u16:2+events_unbound22:44:245
2360117992422,2cyclictest2577002-21kworker/u16:2+events_unbound21:00:265
2360130992322,0cyclictest0-21swapper/721:23:377
2360130992322,0cyclictest0-21swapper/720:38:177
2360130992322,0cyclictest0-21swapper/719:26:217
2360130992321,1cyclictest2728985-21ssh22:02:007
2360130992320,2cyclictest125-21kswapd021:53:297
2360122992321,2cyclictest2946028-21kworker/u16:3+flush-8:023:52:586
2360117992321,2cyclictest2910051-21kworker/u16:4+events_unbound23:45:485
2360117992321,2cyclictest2577002-21kworker/u16:2+events_unbound21:05:455
2360117992321,2cyclictest2481058-21kworker/u16:2+flush-8:020:08:505
2360117992321,2cyclictest2481058-21kworker/u16:2+events_unbound20:26:345
2360117992321,2cyclictest2369668-21kworker/u16:1+events_unbound19:35:535
2360117992321,2cyclictest2369668-21kworker/u16:1+events_unbound19:35:535
2360117992321,2cyclictest2369668-21kworker/u16:1+events_unbound19:15:535
2360117992321,2cyclictest2321185-21kworker/u16:2+events_unbound19:42:495
2360117992321,2cyclictest2286420-21kworker/u16:0+events_unbound19:09:105
25287132220,0chrt0-21swapper/520:33:035
2360130992221,0cyclictest0-21swapper/722:44:407
2360130992220,1cyclictest2596715-21diskmemload23:21:017
2360122992220,2cyclictest3078876-21kworker/u16:0+flush-8:000:31:326
2360122992220,2cyclictest2801696-21kworker/u16:1+events_unbound23:33:176
2360122992219,2cyclictest2538801-21kworker/u16:1+flush-8:020:53:046
2360117992220,2cyclictest2499984-21kworker/u16:3+events_unbound20:20:265
2360117992220,2cyclictest2441750-21kworker/u16:3+events_unbound19:50:305
2360130992120,0cyclictest0-21swapper/723:02:147
2360130992120,0cyclictest0-21swapper/719:56:337
2360130992119,1cyclictest0-21swapper/722:48:247
2360130992119,1cyclictest0-21swapper/722:22:587
2360122992119,2cyclictest2946028-21kworker/u16:3+events_unbound00:25:386
2360130992019,0cyclictest0-21swapper/723:10:477
2360130992019,0cyclictest0-21swapper/721:00:577
2360130992019,0cyclictest0-21swapper/720:19:537
2360130992019,0cyclictest0-21swapper/720:17:337
2360130992019,0cyclictest0-21swapper/700:26:547
2360122992018,2cyclictest2657358-21kworker/u16:2+events_unbound22:58:176
2360122992018,2cyclictest2610909-21kworker/u16:1+events_unbound21:18:176
2360122992018,2cyclictest2528885-21kworker/u16:4+flush-8:022:03:166
2360117992018,2cyclictest2430515-21kworker/u16:0+events_unbound20:07:175
2360117992018,2cyclictest2369668-21kworker/u16:1+events_unbound20:17:225
2360130991918,0cyclictest0-21swapper/720:34:377
2360130991918,0cyclictest0-21swapper/719:40:417
2360130991917,1cyclictest2741548-21munin-run22:08:037
2360130991917,1cyclictest0-21swapper/721:03:197
2360130991913,5cyclictest2519015-21latency_hist20:28:037
2360122991917,2cyclictest2910051-21kworker/u16:4+events_unbound23:40:166
2360122991917,2cyclictest2681827-21kworker/u16:3+events_unbound22:22:336
2360122991917,2cyclictest2657358-21kworker/u16:2+flush-8:022:48:506
2360122991917,2cyclictest2657358-21kworker/u16:2+flush-8:022:30:096
2360122991917,2cyclictest2528885-21kworker/u16:4+events_unbound21:37:306
2360122991917,2cyclictest2499984-21kworker/u16:3+flush-8:020:43:346
2360122991917,2cyclictest2402546-21kworker/u16:3+events_unbound19:33:166
2360122991917,2cyclictest2402546-21kworker/u16:3+events_unbound19:33:166
2360117991917,2cyclictest2369668-21kworker/u16:1+events_unbound19:43:425
2360112991916,2cyclictest2499984-21kworker/u16:3+flush-8:020:33:144
2360130991817,0cyclictest0-21swapper/719:36:537
2360130991817,0cyclictest0-21swapper/719:36:537
2360130991816,1cyclictest2657676-21ssh21:33:107
2360130991815,2cyclictest1302-21snmpd20:09:237
2360130991813,4cyclictest3006218-21latency_hist23:58:037
236013099181,15cyclictest3015393-21ssh23:58:337
236013099180,17cyclictest0-21swapper/723:33:267
2360122991816,2cyclictest2946028-21kworker/u16:3+events_unbound23:44:266
2360122991816,2cyclictest2801696-21kworker/u16:1+events_unbound23:26:336
2360122991816,2cyclictest2321185-21kworker/u16:2+flush-8:019:18:376
2360122991816,2cyclictest2286420-21kworker/u16:0+events_unbound19:16:366
2360130991716,0cyclictest0-21swapper/721:09:277
2360130991716,0cyclictest0-21swapper/720:05:437
236013099170,1cyclictest0-21swapper/720:53:307
2360122991715,2cyclictest2657358-21kworker/u16:2+events_unbound21:52:416
2360122991715,2cyclictest2441750-21kworker/u16:3+flush-8:019:48:246
2360122991715,2cyclictest2441750-21kworker/u16:3+events_unbound20:03:166
2360117991715,2cyclictest2430515-21kworker/u16:0+events_unbound20:51:295
2360117991715,2cyclictest2430515-21kworker/u16:0+events_unbound19:56:515
2360130991615,0cyclictest0-21swapper/723:29:027
2360130991615,0cyclictest0-21swapper/719:49:207
2360130991615,0cyclictest0-21swapper/719:20:527
2360130991615,0cyclictest0-21swapper/700:28:207
2360122991614,2cyclictest3015437-21kworker/u16:5+events_unbound00:11:066
2360122991614,2cyclictest2801696-21kworker/u16:1+events_unbound23:03:256
2360122991614,2cyclictest2801696-21kworker/u16:1+events_unbound22:38:196
2360122991614,2cyclictest2801696-21kworker/u16:1+events_unbound22:33:146
2360122991614,2cyclictest2787855-21kworker/u16:0+flush-8:022:55:456
2360122991614,2cyclictest2618597-21kworker/u16:3+events_unbound21:27:106
2360122991614,2cyclictest2528885-21kworker/u16:4+events_unbound21:55:256
2360122991614,2cyclictest2511404-21kworker/u16:1+events_unbound20:23:446
2360122991614,2cyclictest2369668-21kworker/u16:1+flush-8:020:13:296
2360122991613,2cyclictest2910051-21kworker/u16:4+events_unbound00:03:046
2360112991613,3cyclictest0-21swapper/422:21:244
2360112991613,2cyclictest2468504-21kthreadcore19:58:244
2360112991612,1cyclictest0-21swapper/422:06:164
2360112991612,1cyclictest0-21swapper/422:02:384
2360112991612,1cyclictest0-21swapper/421:37:154
2360112991611,1cyclictest0-21swapper/400:13:194
236011299160,13cyclictest0-21swapper/423:19:344
236013099157,7cyclictest6124-21gmain00:05:567
2360130991513,1cyclictest0-21swapper/700:08:307
236013099150,14cyclictest0-21swapper/700:13:297
2360122991513,2cyclictest2886130-21kworker/u16:2+events_unbound23:13:316
2360122991513,2cyclictest2657358-21kworker/u16:2+events_unbound22:13:226
2360122991513,2cyclictest2430515-21kworker/u16:0+events_unbound19:54:526
236012299150,1cyclictest851ktimers/621:29:016
2360112991513,2cyclictest0-21swapper/422:44:254
2360112991512,1cyclictest0-21swapper/422:13:314
2360112991512,1cyclictest0-21swapper/421:19:074
2360112991511,1cyclictest0-21swapper/421:26:224
236011299150,13cyclictest0-21swapper/423:56:374
236011299150,13cyclictest0-21swapper/421:30:004
236013099148,4cyclictest6124-21gmain19:08:217
2360130991413,0cyclictest0-21swapper/720:32:457
2360130991411,2cyclictest2470521-21munin-run20:03:047
2360122991412,2cyclictest3030541-21kworker/u16:1+events_unbound00:20:066
2360122991412,2cyclictest2910051-21kworker/u16:4+flush-8:023:28:326
2360122991412,2cyclictest2528885-21kworker/u16:4+flush-8:020:48:446
2360122991412,2cyclictest2430515-21kworker/u16:0+flush-8:019:58:146
236012299140,1cyclictest0-21swapper/621:39:546
236012299140,1cyclictest0-21swapper/621:39:546
236012299140,14cyclictest0-21swapper/622:12:046
236012299140,14cyclictest0-21swapper/621:59:366
2360112991413,1cyclictest0-21swapper/423:49:414
2360112991413,1cyclictest0-21swapper/423:09:014
2360112991411,1cyclictest0-21swapper/423:07:264
236011299140,14cyclictest0-21swapper/423:36:274
236011299140,14cyclictest0-21swapper/422:27:424
236013099139,3cyclictest1302-21snmpd23:49:257
236013099139,3cyclictest1302-21snmpd20:48:087
236013099137,5cyclictest2885892-21latency_hist23:08:037
2360130991312,1cyclictest0-21swapper/722:12:587
236013099131,11cyclictest0-21swapper/721:28:287
2360130991311,1cyclictest0-21swapper/721:13:507
2360130991311,1cyclictest0-21swapper/719:28:217
2360122991311,2cyclictest2528885-21kworker/u16:4+events_unbound21:17:306
236012299130,13cyclictest0-21swapper/619:43:326
2360112991312,1cyclictest0-21swapper/422:34:294
2360112991312,1cyclictest0-21swapper/421:53:484
2360112991312,1cyclictest0-21swapper/421:39:184
2360112991312,1cyclictest0-21swapper/421:39:184
2360112991312,1cyclictest0-21swapper/400:08:174
2360112991312,1cyclictest0-21swapper/400:06:434
2360112991311,1cyclictest2450155-21ntp_states19:48:284
236013099129,2cyclictest0-21swapper/721:23:037
236013099128,3cyclictest1302-21snmpd22:40:447
236013099128,3cyclictest1302-21snmpd21:44:197
236013099128,3cyclictest1302-21snmpd21:39:227
236013099128,3cyclictest1302-21snmpd21:39:227
236013099126,5cyclictest6233-21gvfs-afc-volume23:13:257
2360130991212,0cyclictest0-21swapper/722:28:307
2360130991211,0cyclictest0-21swapper/720:44:567
2360130991210,1cyclictest0-21swapper/700:33:307
236013099120,4cyclictest2596715-21diskmemload22:23:257
236012299128,3cyclictest2361105-21cat19:08:186
236011299127,4cyclictest2935334-21cat23:28:184
2360112991211,1cyclictest0-21swapper/423:45:264
2360112991211,1cyclictest0-21swapper/421:50:114
2360112991211,1cyclictest0-21swapper/420:39:144
2360112991210,2cyclictest2538801-21kworker/u16:1+flush-8:020:58:594
236011299120,11cyclictest0-21swapper/419:53:164
236013099118,2cyclictest1302-21snmpd21:51:197
236013099117,3cyclictest2958688-21ssh23:38:157
2360130991111,0cyclictest0-21swapper/723:46:187
2360130991111,0cyclictest0-21swapper/719:47:517
236012299119,2cyclictest2538801-21kworker/u16:1+events_unbound20:58:056
236011299118,2cyclictest0-21swapper/422:08:184
236011299117,3cyclictest2374621-21cat19:13:184
236011299116,4cyclictest2814865-21tune2fs22:38:174
2360112991110,1cyclictest0-21swapper/423:41:104
2360112991110,1cyclictest0-21swapper/423:02:424
2360112991110,1cyclictest0-21swapper/421:46:334
2360112991110,1cyclictest0-21swapper/419:43:154
2360112991110,1cyclictest0-21swapper/419:09:314
2360112991110,1cyclictest0-21swapper/400:28:004
236011299110,1cyclictest0-21swapper/419:33:484
236011299110,1cyclictest0-21swapper/419:33:484
236011299110,11cyclictest0-21swapper/420:43:574
236011299110,11cyclictest0-21swapper/420:06:174
236011299110,11cyclictest0-21swapper/419:30:014
236011299110,0cyclictest0-21swapper/419:27:204
236013099108,1cyclictest0-21swapper/700:18:217
236013099105,3cyclictest0-21swapper/722:13:247
236012299108,2cyclictest2801696-21kworker/u16:1+events_unbound22:46:586
236011299109,1cyclictest0-21swapper/423:24:184
236011299109,1cyclictest0-21swapper/421:15:294
236011299109,1cyclictest0-21swapper/420:48:414
236011299109,1cyclictest0-21swapper/400:18:234
236011299106,3cyclictest2588207-21cat21:03:174
236011299106,3cyclictest2568618-21tune2fs20:53:184
236011299105,4cyclictest3079751-21cat00:28:194
23601229990,8cyclictest2587412-21/usr/sbin/munin21:03:246
23601129998,1cyclictest0-21swapper/420:24:344
23601129998,1cyclictest0-21swapper/420:14:384
23601129998,1cyclictest0-21swapper/419:18:404
23601129998,1cyclictest0-21swapper/400:33:504
23601129987,1cyclictest0-21swapper/421:08:144
23601129987,1cyclictest0-21swapper/400:02:274
23601129986,1cyclictest0-21swapper/422:53:184
23601129985,2cyclictest0-21swapper/422:48:224
23601129983,4cyclictest2791145-21cut22:28:194
23601129983,4cyclictest2519833-21cat20:28:194
23601229973,3cyclictest2519706-21wc20:28:196
23601129975,1cyclictest0-21swapper/423:13:144
23601129973,3cyclictest2500645-21grep20:18:184
23601129972,4cyclictest2481131-21fschecks_count20:08:164
23601129972,4cyclictest2422863-21expr19:38:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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