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2026-01-08 - 20:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot1.osadl.org (updated Thu Jan 08, 2026 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
851821620,2sleep00-21swapper/011:57:420
851821620,2sleep00-21swapper/011:57:420
1806121510,3sleep00-21swapper/011:35:110
587621330,3sleep10-21swapper/112:27:491
587621330,3sleep10-21swapper/112:27:491
1148221000,3sleep10-21swapper/112:33:431
1148221000,3sleep10-21swapper/112:33:431
168662760,3sleep30-21swapper/309:17:463
168662760,3sleep30-21swapper/309:17:463
309292750,3sleep00-21swapper/010:40:290
309292750,3sleep00-21swapper/010:40:290
309292750,3sleep00-21swapper/010:40:290
304402730,3chrt0-21swapper/012:20:240
304402730,3chrt0-21swapper/012:20:240
304402730,3chrt0-21swapper/012:20:240
90952720,3chrt0-21swapper/310:50:413
90952720,3chrt0-21swapper/310:50:413
184952650,4sleep30-21swapper/309:52:343
184952650,4sleep30-21swapper/309:52:343
112412640,3chrt0-21swapper/307:40:413
112412640,3chrt0-21swapper/307:40:413
276542570,2chrt0-21swapper/109:29:131
276542570,2chrt0-21swapper/109:29:131
222012560,3sleep0827-21cyclictest10:30:410
222012560,3sleep0827-21cyclictest10:30:410
291852550,3sleep20-21swapper/210:05:272
291852550,3sleep20-21swapper/210:05:272
262052550,3sleep30-21swapper/312:15:373
262052550,3sleep30-21swapper/312:15:373
262052550,3sleep30-21swapper/312:15:373
20802550,3sleep128057-1kworker/u9:211:50:431
20802550,3sleep128057-1kworker/u9:211:50:431
198472540,3sleep10-21swapper/111:03:171
198472540,3sleep10-21swapper/111:03:171
128682540,3sleep10-21swapper/111:29:491
128682540,3sleep10-21swapper/111:29:491
232132520,4chrt0-21swapper/310:31:403
232132520,4chrt0-21swapper/310:31:403
267122510,3sleep20-21swapper/211:43:372
243842510,2sleep224397-21diskmemload10:33:212
243842510,2sleep224397-21diskmemload10:33:212
154832510,3chrt0-21swapper/009:50:140
123032510,2sleep112317-21ssh09:13:181
123032510,2sleep112317-21ssh09:13:181
92102500,4sleep1201rcuc/107:35:371
92102500,4sleep1201rcuc/107:35:371
92102500,4sleep1201rcuc/107:35:371
313322500,1sleep031344-21diskmemload09:32:300
321172490,4chrt0-21swapper/310:07:533
316412490,3sleep30-21swapper/311:15:333
316412490,3sleep30-21swapper/311:15:333
316412490,3sleep30-21swapper/311:15:333
310992490,4chrt0-21swapper/311:47:523
310992490,4chrt0-21swapper/311:47:523
30452490,3sleep10-21swapper/108:50:431
194392490,2sleep30-21swapper/309:20:353
194392490,2sleep30-21swapper/309:20:353
31582460,2sleep3321rcuc/311:52:103
31582460,2sleep3321rcuc/311:52:103
94502450,5sleep333-21ksoftirqd/309:10:343
94502450,5sleep333-21ksoftirqd/309:10:343
313462450,3sleep30-21swapper/308:40:373
313462450,3sleep30-21swapper/308:40:373
175192450,3sleep20-21swapper/209:18:412
175192450,3sleep20-21swapper/209:18:412
143512450,5chrt0-21swapper/112:35:481
143512450,5chrt0-21swapper/112:35:481
24472440,4sleep10-21swapper/107:15:441
24472440,4sleep10-21swapper/107:15:441
24472440,4sleep10-21swapper/107:15:441
108482440,2chrt10844-21latency_hist09:45:291
108482440,2chrt10844-21latency_hist09:45:291
9142430,3sleep00-21swapper/010:42:220
9142430,3sleep00-21swapper/010:42:220
210222430,3chrt0-21swapper/209:21:502
210222430,3chrt0-21swapper/209:21:502
171852430,3chrt0-21swapper/212:39:432
171852430,3chrt0-21swapper/212:39:432
114062420,2sleep211424-21latency_hist10:20:272
114062420,2sleep211424-21latency_hist10:20:272
830994112,11cyclictest6412-21ssh10:48:122
830994112,11cyclictest6412-21ssh10:48:122
830994112,11cyclictest19504-21ssh10:28:172
830994112,11cyclictest19504-21ssh10:28:172
830994111,11cyclictest16606-21ssh11:00:232
830994111,11cyclictest16606-21ssh11:00:232
154062410,4sleep30-21swapper/312:05:243
154062410,4sleep30-21swapper/312:05:243
124152410,3sleep10-21swapper/110:54:531
124152410,3sleep10-21swapper/110:54:531
830994012,11cyclictest16103-21idleruntime07:55:342
830994012,11cyclictest16103-21idleruntime07:55:342
830994012,10cyclictest9202-21ssh09:43:212
830994012,10cyclictest9202-21ssh09:43:212
830994011,12cyclictest18013-21ssh11:35:072
830994011,11cyclictest29213-21ssh10:38:172
830994011,11cyclictest29213-21ssh10:38:172
830994011,11cyclictest29213-21ssh10:38:172
830994011,11cyclictest23582-21ssh11:06:402
830994011,11cyclictest23582-21ssh11:06:402
62962400,4sleep30-21swapper/311:55:373
62962400,4sleep30-21swapper/311:55:373
830993913,12cyclictest11972-21ssh12:34:242
830993913,12cyclictest11972-21ssh12:34:242
830993912,11cyclictest13661-21ssh09:47:422
830993912,11cyclictest10122-21rm11:59:542
830993912,11cyclictest10122-21rm11:59:542
830993911,11cyclictest31447-21ssh09:32:392
830993911,11cyclictest22881-21ssh12:12:032
830993911,10cyclictest14381-21ssh10:22:592
830993910,11cyclictest20149-21ssh09:54:522
830993910,11cyclictest20149-21ssh09:54:522
830993811,11cyclictest885-21ssh10:09:322
830993811,11cyclictest28361-21ssh11:11:342
830993811,11cyclictest28361-21ssh11:11:342
830993811,11cyclictest27611-21ssh12:16:422
830993811,11cyclictest27611-21ssh12:16:422
830993811,11cyclictest27611-21ssh12:16:422
830993811,11cyclictest10931-21ssh10:52:472
830993811,11cyclictest10931-21ssh10:52:472
830993810,12cyclictest6294-21ssh12:28:232
830993810,12cyclictest6294-21ssh12:28:232
830993810,11cyclictest922-21ssh12:22:512
830993810,11cyclictest922-21ssh12:22:512
830993810,11cyclictest11517-21rm11:27:582
830993810,11cyclictest11517-21rm11:27:582
830993810,10cyclictest5337-21ssh11:21:062
830993810,10cyclictest5337-21ssh11:21:062
26792380,3chrt0-21swapper/312:25:133
26792380,3chrt0-21swapper/312:25:133
197772380,3sleep10-21swapper/112:09:361
197772380,3sleep10-21swapper/112:09:361
170642380,3chrt0-21swapper/012:39:330
170642380,3chrt0-21swapper/012:39:330
15752380,4sleep00-21swapper/009:35:350
15752380,4sleep00-21swapper/009:35:350
15752380,4sleep00-21swapper/009:35:350
83099378,12cyclictest18164-21seq12:07:262
83099378,12cyclictest18164-21seq12:07:262
830993711,8cyclictest25540-21ssh09:26:182
830993711,8cyclictest25540-21ssh09:26:182
830993710,11cyclictest2736-21ssh11:51:362
830993710,11cyclictest2736-21ssh11:51:362
830993710,11cyclictest19119-21ssh11:02:152
830993710,11cyclictest19119-21ssh11:02:152
830993710,10cyclictest2909-21ssh10:45:092
830993710,10cyclictest2909-21ssh10:45:092
156432370,3sleep10-21swapper/111:31:511
830993613,13cyclictest20847-21taskset09:55:362
830993613,13cyclictest20847-21taskset09:55:362
830993613,13cyclictest20847-21taskset09:55:362
830993610,9cyclictest3565-21ssh11:20:212
830993610,9cyclictest3565-21ssh11:20:212
830993610,9cyclictest3565-21ssh11:20:212
830993610,10cyclictest10881-21ssh09:11:172
830993610,10cyclictest10881-21ssh09:11:172
48612360,4sleep00-21swapper/007:25:230
48612360,4sleep00-21swapper/007:25:230
83099359,10cyclictest19381-21systemctl11:35:422
83099359,10cyclictest19381-21systemctl11:35:422
83099359,10cyclictest19381-21systemctl11:35:422
830993512,10cyclictest30172-21ssh11:46:352
830993512,10cyclictest30172-21ssh11:46:352
830993511,7cyclictest15384-21sshd07:53:062
830993511,7cyclictest15384-21sshd07:53:062
830993419,12cyclictest27853-21ntp_states08:30:412
830993412,10cyclictest13996-21sh12:03:342
830993412,10cyclictest13996-21sh12:03:342
830993410,9cyclictest5124-21ssh10:13:372
830993410,9cyclictest5124-21ssh10:13:372
202092340,4sleep30-21swapper/312:10:103
202092340,4sleep30-21swapper/312:10:103
830993311,8cyclictest13854-21sed07:50:232
830993311,8cyclictest13854-21sed07:50:232
830993310,8cyclictest2869-21sh09:36:132
830993310,8cyclictest2869-21sh09:36:132
830993310,8cyclictest2869-21sh09:36:132
45982330,3sleep30-21swapper/308:55:433
45982330,3sleep30-21swapper/308:55:433
253852330,11sleep333-21ksoftirqd/309:26:053
253852330,11sleep333-21ksoftirqd/309:26:053
150922330,2sleep3321rcuc/312:36:513
150922330,2sleep3321rcuc/312:36:513
830993212,8cyclictest19930-21sed08:10:262
830993212,8cyclictest19930-21sed08:10:262
185182320,2sleep10-21swapper/111:35:331
185182320,2sleep10-21swapper/111:35:331
185182320,2sleep10-21swapper/111:35:331
14472320,3sleep20-21swapper/207:15:332
14472320,3sleep20-21swapper/207:15:332
14472320,3sleep20-21swapper/207:15:332
121462320,2sleep30-21swapper/311:28:513
121462320,2sleep30-21swapper/311:28:513
830993111,7cyclictest482-21snmpd09:05:282
830993111,7cyclictest482-21snmpd09:05:282
830993110,7cyclictest7850-21wc07:30:452
830993110,7cyclictest7850-21wc07:30:452
830993110,10cyclictest6649-21idleruntime-cro07:30:222
325842314,19sleep231815-21ls07:10:392
325652310,3sleep00-21swapper/011:15:420
325652310,3sleep00-21swapper/011:15:420
325652310,3sleep00-21swapper/011:15:420
219942310,3chrt0-21swapper/311:05:363
219942310,3chrt0-21swapper/311:05:363
162282310,2sleep116229-21ssh09:50:351
162282310,2sleep116229-21ssh09:50:351
128462310,3chrt0-21swapper/110:20:451
83099307,8cyclictest23741-21df_inode08:20:322
83099307,8cyclictest23741-21df_inode08:20:322
83099307,10cyclictest714-21bingrep08:45:362
119602290,2sleep011985-21sed07:45:210
119602290,2sleep011985-21sed07:45:210
82999283,18cyclictest29016-21ssh11:45:401
82999283,18cyclictest29016-21ssh11:45:401
82899271,9cyclictest12364-21runrttasks09:13:230
82899271,9cyclictest12364-21runrttasks09:13:230
296512270,3sleep30-21swapper/308:35:383
296512270,3sleep30-21swapper/308:35:383
296512270,3sleep30-21swapper/308:35:383
292702270,4sleep10-21swapper/110:05:301
292702270,4sleep10-21swapper/110:05:301
830992615,9cyclictest29763-21/usr/sbin/munin08:35:402
830992615,9cyclictest29763-21/usr/sbin/munin08:35:402
830992615,9cyclictest29763-21/usr/sbin/munin08:35:402
830992615,9cyclictest26710-21sshd08:27:072
830992614,9cyclictest4964-21sshd08:56:062
830992614,9cyclictest4964-21sshd08:56:062
830992613,11cyclictest32315-21seq08:44:432
830992613,11cyclictest32315-21seq08:44:432
830992612,11cyclictest2808-21sensors_temp08:50:412
178172260,3sleep00-21swapper/009:51:380
178172260,3sleep00-21swapper/009:51:380
830992513,9cyclictest9158-21/usr/sbin/munin07:35:362
830992513,9cyclictest9158-21/usr/sbin/munin07:35:362
830992513,9cyclictest9158-21/usr/sbin/munin07:35:362
830992512,10cyclictest3749-21/usr/sbin/munin07:20:372
830992512,10cyclictest3749-21/usr/sbin/munin07:20:372
829992517,6cyclictest16808-21grep11:00:291
829992517,6cyclictest16808-21grep11:00:291
82999251,4cyclictest0-21swapper/107:11:091
829992510,3cyclictest131rcu_preempt07:30:211
83099248,13cyclictest18172-21needreboot08:00:402
83099248,13cyclictest18172-21needreboot08:00:402
830992415,7cyclictest22589-21sendmail_mailst08:15:422
830992415,7cyclictest22589-21sendmail_mailst08:15:422
830992413,8cyclictest10897-21/usr/sbin/munin07:40:362
830992413,8cyclictest10897-21/usr/sbin/munin07:40:362
82899248,6cyclictest12-21ksoftirqd/007:30:210
4552240,18sleep30-21swapper/307:10:443
290152240,2sleep30-21swapper/310:37:593
290152240,2sleep30-21swapper/310:37:593
290152240,2sleep30-21swapper/310:37:593
169732240,3sleep30-21swapper/310:25:373
169732240,3sleep30-21swapper/310:25:373
83099238,12cyclictest7877-21cat09:05:362
83099238,12cyclictest7877-21cat09:05:362
830992312,9cyclictest20640-21ntpq08:10:352
830992312,9cyclictest20640-21ntpq08:10:352
829992315,6cyclictest5951-21ssh10:47:341
829992315,6cyclictest5951-21ssh10:47:341
829992314,7cyclictest22337-21ssh12:11:181
82999231,10cyclictest444-21cron08:20:211
82999231,10cyclictest444-21cron08:20:211
828992312,9cyclictest0-21swapper/011:07:450
828992312,9cyclictest0-21swapper/011:07:450
254692230,2sleep30-21swapper/311:41:533
145922230,3sleep30-21swapper/310:23:163
82899221,11cyclictest695-21runrttasks09:56:470
82899221,11cyclictest695-21runrttasks09:56:470
82899221,11cyclictest695-21runrttasks09:56:470
828992210,10cyclictest21262-21ssh12:10:380
82999219,4cyclictest31685-21sh10:40:391
82999219,4cyclictest31685-21sh10:40:391
829992113,5cyclictest31070-21ssh10:06:251
829992112,7cyclictest8935-21diskmemload11:19:031
829992112,7cyclictest8935-21diskmemload11:19:031
829992112,7cyclictest8935-21diskmemload11:19:031
829992112,6cyclictest0-21swapper/107:55:431
829992112,6cyclictest0-21swapper/107:55:431
829992111,7cyclictest2246-21awk09:35:421
829992111,7cyclictest2246-21awk09:35:421
829992111,7cyclictest2246-21awk09:35:421
82999211,15cyclictest14779-21ssh09:15:381
82999211,15cyclictest14779-21ssh09:15:381
82899217,12cyclictest38750irq/56-eth009:18:390
82899217,12cyclictest38750irq/56-eth009:18:390
82899211,3cyclictest0-21swapper/009:22:310
82899211,3cyclictest0-21swapper/009:22:310
82899211,18cyclictest6934-21cut10:15:320
82899211,18cyclictest6934-21cut10:15:320
82899211,18cyclictest3236-21uniq12:25:340
82899211,18cyclictest3236-21uniq12:25:340
82899211,17cyclictest10731-21cat09:45:240
82899211,17cyclictest10731-21cat09:45:240
82899211,14cyclictest7507-21cut09:05:330
82899211,14cyclictest7507-21cut09:05:330
82899211,12cyclictest7148-21sh10:49:140
82899211,12cyclictest7148-21sh10:49:140
128562211,2sleep00-21swapper/011:29:490
128562211,2sleep00-21swapper/011:29:490
108102210,3chrt0-21swapper/107:40:351
108102210,3chrt0-21swapper/107:40:351
829992013,5cyclictest8520-21ssh11:57:421
829992013,5cyclictest8520-21ssh11:57:421
829992013,5cyclictest30442-21ls12:20:241
829992013,5cyclictest30442-21ls12:20:241
829992013,5cyclictest30442-21ls12:20:241
829992012,6cyclictest6092-21ssh10:14:571
829992012,6cyclictest6092-21ssh10:14:571
829992011,7cyclictest27708-21grep11:10:431
829992011,7cyclictest27708-21grep11:10:431
82999201,17cyclictest23936-21ls08:20:341
82999201,17cyclictest23936-21ls08:20:341
82999200,14cyclictest3567-21ls07:20:351
82999200,14cyclictest3567-21ls07:20:351
82899208,9cyclictest25636-21fschecks_time08:25:340
82899208,9cyclictest0-21swapper/008:45:440
82899208,4cyclictest12-21ksoftirqd/009:03:520
82899208,4cyclictest12-21ksoftirqd/009:03:520
82899201,9cyclictest18039-21grep11:00:400
82899201,9cyclictest18039-21grep11:00:400
82899201,8cyclictest29817-21latency10:05:370
82899201,7cyclictest5054-21tail11:20:440
82899201,7cyclictest5054-21tail11:20:440
828992015,3cyclictest28221-21ssh11:11:220
828992015,3cyclictest28221-21ssh11:11:220
828992014,4cyclictest38750irq/56-eth012:00:340
828992014,4cyclictest38750irq/56-eth012:00:340
828992014,4cyclictest38750irq/56-eth010:22:360
82899201,15cyclictest9350-21unixbench-2d10:50:430
82899201,15cyclictest9350-21unixbench-2d10:50:430
82899201,12cyclictest959-21fschecks_count11:50:330
82899201,12cyclictest959-21fschecks_count11:50:330
324402203,11sleep031815-21ls07:10:370
83199191,13cyclictest0-21swapper/308:30:343
83199191,13cyclictest0-21swapper/308:20:423
83199191,13cyclictest0-21swapper/308:20:423
83199191,13cyclictest0-21swapper/307:40:323
83199191,12cyclictest0-21swapper/308:10:313
83199191,12cyclictest0-21swapper/308:10:313
82999192,9cyclictest21794-21taskset09:22:561
82999192,9cyclictest21794-21taskset09:22:561
82999191,9cyclictest4860-21sed08:55:451
82999191,9cyclictest4860-21sed08:55:451
82999191,8cyclictest14007-21/usr/sbin/munin07:50:431
82999191,8cyclictest14007-21/usr/sbin/munin07:50:431
82999191,4cyclictest25953-21rm11:42:341
82999191,2cyclictest0-21swapper/109:03:521
82999191,2cyclictest0-21swapper/109:03:521
829991911,6cyclictest21757-21df11:05:341
829991911,6cyclictest21757-21df11:05:341
829991911,5cyclictest0-21swapper/108:30:351
829991910,7cyclictest764-21ntp_kernel_err08:45:371
82899198,9cyclictest17716-21df08:00:350
82899198,9cyclictest17716-21df08:00:350
82899191,9cyclictest1662-21fschecks_time07:15:350
82899191,9cyclictest1662-21fschecks_time07:15:350
82899191,9cyclictest1662-21fschecks_time07:15:350
82899191,5cyclictest19686-21unixbench-2d11:35:440
82899191,5cyclictest19686-21unixbench-2d11:35:440
82899191,5cyclictest19686-21unixbench-2d11:35:440
828991913,4cyclictest0-21swapper/010:10:370
828991913,4cyclictest0-21swapper/010:10:370
82899191,16cyclictest25493-21ls10:00:390
82899191,16cyclictest25493-21ls10:00:390
82899191,16cyclictest15613-21/usr/sbin/munin12:05:320
82899191,16cyclictest15613-21/usr/sbin/munin12:05:320
82899191,11cyclictest11864-21sh12:34:150
82899191,11cyclictest11864-21sh12:34:150
82899191,10cyclictest695-21runrttasks11:47:160
82899191,10cyclictest695-21runrttasks11:47:160
82899191,10cyclictest17992-21sh10:26:140
82899191,10cyclictest17992-21sh10:26:140
82899191,10cyclictest14957-21timerandwakeup07:50:420
82899191,10cyclictest14957-21timerandwakeup07:50:420
828991910,7cyclictest0-21swapper/008:15:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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