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2026-06-04 - 00:20
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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 Wed Jun 03, 2026 12:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2745621420,1sleep3321rcuc/310:59:323
2745621420,1sleep3321rcuc/310:59:323
2980421320,2sleep3321rcuc/308:50:273
2980421320,2sleep3321rcuc/308:50:273
2980421320,2sleep3321rcuc/308:50:273
164321160,3chrt0-21swapper/309:47:463
172362970,7sleep016503-21/usr/sbin/munin10:45:310
172362970,7sleep016503-21/usr/sbin/munin10:45:310
172362970,7sleep016503-21/usr/sbin/munin10:45:310
320232940,4sleep20-21swapper/208:55:332
320232940,4sleep20-21swapper/208:55:332
128742930,2sleep112871-21unixbench_singl08:00:341
128742930,2sleep112871-21unixbench_singl08:00:341
128742930,2sleep112871-21unixbench_singl08:00:341
262872850,5sleep20-21swapper/207:10:252
193692840,3sleep20-21swapper/209:29:042
193692840,3sleep20-21swapper/209:29:042
264572790,2sleep126584-21ls07:10:281
179692730,2chrt0-21swapper/109:26:141
179692730,2chrt0-21swapper/109:26:141
191782710,3sleep10-21swapper/108:20:271
191782710,3sleep10-21swapper/108:20:271
234522700,3sleep00-21swapper/010:14:280
234522700,3sleep00-21swapper/010:14:280
234522700,3sleep00-21swapper/010:14:280
308632680,3sleep00-21swapper/011:44:550
308632680,3sleep00-21swapper/011:44:550
308632680,3sleep00-21swapper/011:44:550
266012640,2sleep10-21swapper/110:18:071
266012640,2sleep10-21swapper/110:18:071
117632640,3sleep30-21swapper/312:00:133
117632640,3sleep30-21swapper/312:00:133
163952600,10sleep227-21ksoftirqd/208:10:362
163952600,10sleep227-21ksoftirqd/208:10:362
223502590,3sleep20-21swapper/210:51:562
223502590,3sleep20-21swapper/210:51:562
200542590,3chrt0-21swapper/110:50:021
200542590,3chrt0-21swapper/110:50:021
200542590,3chrt0-21swapper/110:50:021
149372570,4chrt0-21swapper/309:22:503
149372570,4chrt0-21swapper/309:22:503
88462560,3sleep10-21swapper/109:15:331
88462560,3sleep10-21swapper/109:15:331
148282550,10sleep227-21ksoftirqd/211:23:312
148282550,10sleep227-21ksoftirqd/211:23:312
148282550,10sleep227-21ksoftirqd/211:23:312
288062540,3sleep10-21swapper/112:20:451
288062540,3sleep10-21swapper/112:20:451
288062540,3sleep10-21swapper/112:20:451
214352540,3sleep00-21swapper/009:30:350
214352540,3sleep00-21swapper/009:30:350
214352540,3sleep00-21swapper/009:30:350
160552540,2sleep00-21swapper/009:25:050
160552540,2sleep00-21swapper/009:25:050
314862530,3chrt0-21swapper/309:45:133
314862530,3chrt0-21swapper/309:45:133
314862530,3chrt0-21swapper/309:45:133
274642530,3sleep026070-21ls07:10:510
121372530,3sleep20-21swapper/210:39:502
121372530,3sleep20-21swapper/210:39:502
35712520,2sleep23671-21wc11:50:322
35712520,2sleep23671-21wc11:50:322
48642510,3chrt0-21swapper/312:31:443
48642510,3chrt0-21swapper/312:31:443
48642510,3chrt0-21swapper/312:31:443
166162510,1sleep216778-21idleruntime10:05:272
315822500,2sleep30-21swapper/311:45:263
3722490,2sleep2383-21ssh12:26:092
3722490,2sleep2383-21ssh12:26:092
172582490,3chrt0-21swapper/112:05:581
172582490,3chrt0-21swapper/112:05:581
137782490,3sleep00-21swapper/012:01:350
137782490,3sleep00-21swapper/012:01:350
137782490,3sleep00-21swapper/012:01:350
294362460,3sleep30-21swapper/311:00:413
294362460,3sleep30-21swapper/311:00:413
135312460,3sleep20-21swapper/209:20:322
135312460,3sleep20-21swapper/209:20:322
2751299443,28cyclictest32604-21sh12:25:400
2751299443,28cyclictest32604-21sh12:25:400
2751299441,26cyclictest7146-21runrttasks12:35:060
2751299441,26cyclictest7146-21runrttasks12:35:060
2751299441,26cyclictest7146-21runrttasks12:35:060
2751299430,26cyclictest26048-21ssh09:37:090
2751299430,26cyclictest26048-21ssh09:37:090
2751299430,26cyclictest26048-21ssh09:37:090
2751299421,30cyclictest0-21swapper/011:47:190
27512994211,28cyclictest19370-21ssh09:29:040
27512994211,28cyclictest19370-21ssh09:29:040
214032420,3sleep10-21swapper/110:10:351
214032420,3sleep10-21swapper/110:10:351
214032420,3sleep10-21swapper/110:10:351
117812420,3chrt0-21swapper/212:40:112
117812420,3chrt0-21swapper/212:40:112
281272410,2sleep20-21swapper/211:40:312
281272410,2sleep20-21swapper/211:40:312
281272410,2sleep20-21swapper/211:40:312
2751299411,25cyclictest250922chrt11:36:060
2751299411,25cyclictest250922chrt11:36:060
170562410,3sleep30-21swapper/309:25:323
170562410,3sleep30-21swapper/309:25:323
126882410,2sleep112843-21fschecks_time09:20:241
126882410,2sleep112843-21fschecks_time09:20:241
2751299401,36cyclictest817-21runrttasks09:55:190
2751299401,36cyclictest817-21runrttasks09:55:190
2751299401,26cyclictest12614-21sh10:40:200
2751299401,26cyclictest12614-21sh10:40:200
2751299401,25cyclictest817-21runrttasks10:08:330
2751299401,25cyclictest817-21runrttasks10:08:330
2751299401,25cyclictest817-21runrttasks10:08:330
2751299401,25cyclictest6028-21rm09:11:320
2751299401,25cyclictest6028-21rm09:11:320
2751299400,28cyclictest11441-21ssh12:39:400
2751299400,28cyclictest11441-21ssh12:39:400
2751299400,26cyclictest641-21ssh09:45:470
2751299400,26cyclictest2521-21chrt07:34:130
2751299400,26cyclictest2521-21chrt07:34:130
164282400,4sleep10-21swapper/110:45:191
164282400,4sleep10-21swapper/110:45:191
132452400,3sleep30-21swapper/311:20:343
132452400,3sleep30-21swapper/311:20:343
132452400,3sleep30-21swapper/311:20:343
294682390,2chrt0-21swapper/009:41:120
294682390,2chrt0-21swapper/009:41:120
294682390,2chrt0-21swapper/009:41:120
2751299391,21cyclictest0-21swapper/010:26:040
2751299391,21cyclictest0-21swapper/010:26:040
2751299390,27cyclictest16202-21sh10:45:060
2751299390,27cyclictest16202-21sh10:45:060
2751299390,26cyclictest6602-21sh11:14:160
2751299390,25cyclictest19516-21sh11:30:120
2751299390,25cyclictest19516-21sh11:30:120
2751299390,25cyclictest19516-21sh11:30:120
2751299390,23cyclictest6782-21irqstats07:45:270
2751299390,23cyclictest6782-21irqstats07:45:270
143832390,3sleep20-21swapper/210:41:272
143832390,3sleep20-21swapper/210:41:272
309792380,3sleep30-21swapper/310:24:043
309792380,3sleep30-21swapper/310:24:043
2751299380,34cyclictest18371-21seq08:17:050
2751299380,34cyclictest18371-21seq08:17:050
2751299380,24cyclictest21154-21proc_pri10:50:310
2751299380,24cyclictest21154-21proc_pri10:50:310
36432370,2sleep13698-21fschecks_count10:30:251
323592370,2sleep30-21swapper/310:25:283
323592370,2sleep30-21swapper/310:25:283
2751299371,32cyclictest28860-21/usr/sbin/munin07:15:320
2751299371,26cyclictest20431-21ssh11:30:300
2751299371,26cyclictest20431-21ssh11:30:300
2751299371,21cyclictest14667-21ssh11:23:110
2751299371,21cyclictest14667-21ssh11:23:110
2751299371,21cyclictest14667-21ssh11:23:110
2751299370,34cyclictest134-21systemd-journal08:06:450
2751299370,34cyclictest134-21systemd-journal08:06:450
231132370,2sleep10-21swapper/111:34:481
231132370,2sleep10-21swapper/111:34:481
101782370,3sleep30-21swapper/312:37:433
101782370,3sleep30-21swapper/312:37:433
2751299361,32cyclictest28140-21/usr/sbin/munin10:20:250
2751299361,31cyclictest15776-21memory08:10:280
2751299361,31cyclictest15776-21memory08:10:280
272042360,3chrt0-21swapper/308:41:313
272042360,3chrt0-21swapper/308:41:313
2751299351,31cyclictest32508-21awk07:25:340
2751299351,31cyclictest32508-21awk07:25:340
2751299351,31cyclictest32508-21awk07:25:340
2751299351,30cyclictest6772-21ssh10:33:370
2751299351,30cyclictest27142-21seq08:40:440
2751299351,30cyclictest27142-21seq08:40:440
2751299351,30cyclictest25331-21uptime08:35:360
2751299351,30cyclictest25331-21uptime08:35:360
2751299351,30cyclictest21457-21systemctl08:25:340
2751299351,30cyclictest21457-21systemctl08:25:340
2751299351,30cyclictest10596-21ntp_states07:55:320
2751299351,27cyclictest9991-21ssh09:16:450
2751299351,27cyclictest9991-21ssh09:16:450
2751299351,24cyclictest19702-21/usr/sbin/munin12:10:250
2751299351,24cyclictest19702-21/usr/sbin/munin12:10:250
2751299341,30cyclictest27455-21ssh10:19:480
2751299341,30cyclictest16561-21df_inode10:05:250
2751299341,30cyclictest16561-21df_inode10:05:250
2751299341,29cyclictest4774-21fschecks_count07:40:260
2751299341,29cyclictest4774-21fschecks_count07:40:260
2751299341,29cyclictest4774-21fschecks_count07:40:260
2751299341,29cyclictest25545-21ssh10:55:420
2751299341,29cyclictest25545-21ssh10:55:420
2751299341,29cyclictest2488-21/usr/sbin/munin09:05:240
2751299341,29cyclictest2488-21/usr/sbin/munin09:05:240
2751299341,29cyclictest23117-21processes08:30:330
2751299341,29cyclictest23117-21processes08:30:330
2751299341,22cyclictest0-21swapper/008:50:160
2751299341,22cyclictest0-21swapper/008:50:160
2751299341,22cyclictest0-21swapper/008:50:160
2751299340,31cyclictest3744-21sensors_temp11:50:330
2751299340,31cyclictest3744-21sensors_temp11:50:330
2751299337,24cyclictest22185-21ssh12:13:020
2751299337,24cyclictest22185-21ssh12:13:020
2751299337,24cyclictest22185-21ssh12:13:020
2751299336,24cyclictest29293-21unixbench_multi11:00:360
2751299336,24cyclictest29293-21unixbench_multi11:00:360
2751299331,29cyclictest539-21sed09:00:150
2751299331,29cyclictest539-21sed09:00:150
2751299331,29cyclictest40252sleep007:36:020
2751299331,29cyclictest19135-21uniq08:20:270
2751299331,29cyclictest19135-21uniq08:20:270
2751299331,29cyclictest134-21systemd-journal08:54:170
2751299331,29cyclictest134-21systemd-journal08:54:170
2751299331,29cyclictest134-21systemd-journal08:54:170
2751299331,28cyclictest713-21grep11:05:350
2751299331,28cyclictest713-21grep11:05:350
2751299331,28cyclictest713-21grep11:05:350
2751299331,28cyclictest11871-21df08:00:240
2751299331,28cyclictest11871-21df08:00:240
2751299331,28cyclictest11871-21df08:00:240
2751299330,30cyclictest9170-21ssh11:56:190
2751299330,30cyclictest9170-21ssh11:56:190
2751299330,30cyclictest4028-21diskmemload10:03:050
2751299330,29cyclictest8863-21mailstats09:55:330
2751299330,29cyclictest8863-21mailstats09:55:330
2751299330,20cyclictest24219-21ssh12:15:300
2751299330,20cyclictest24219-21ssh12:15:300
272042330,2sleep10-21swapper/110:59:021
272042330,2sleep10-21swapper/110:59:021
2751299328,21cyclictest30027-21sh07:20:240
2751299328,21cyclictest30027-21sh07:20:240
2751299321,21cyclictest28419-21wc12:20:330
2751299321,21cyclictest28419-21wc12:20:330
2751299321,21cyclictest28419-21wc12:20:330
2751299320,28cyclictest8907-21chrt11:15:490
183812320,5sleep227-21ksoftirqd/210:46:452
183812320,5sleep227-21ksoftirqd/210:46:452
183812320,5sleep227-21ksoftirqd/210:46:452
173032320,3sleep20-21swapper/208:15:262
173032320,3sleep20-21swapper/208:15:262
31052310,3sleep10-21swapper/107:35:261
2751299311,27cyclictest9511-21taskset07:52:330
2751299311,27cyclictest9511-21taskset07:52:330
2751299311,26cyclictest1945-21seq09:01:250
2751299311,26cyclictest1945-21seq09:01:250
2751299311,26cyclictest1945-21seq09:01:250
2751299310,28cyclictest28274-21grep10:20:250
2751299310,28cyclictest28274-21grep10:20:250
36992300,2sleep20-21swapper/210:30:252
320942290,4chrt0-21swapper/307:25:283
320942290,4chrt0-21swapper/307:25:283
320942290,4chrt0-21swapper/307:25:283
24202290,4sleep30-21swapper/312:29:593
24202290,4sleep30-21swapper/312:29:593
269292280,3sleep10-21swapper/111:39:491
269292280,3sleep10-21swapper/111:39:491
15072280,3sleep20-21swapper/210:27:122
15072280,3sleep20-21swapper/210:27:122
40842270,2sleep10-21swapper/109:10:141
40842270,2sleep10-21swapper/109:10:141
27513992715,10cyclictest4028-21diskmemload11:54:541
27513992715,10cyclictest4028-21diskmemload11:54:541
224012260,3chrt0-21swapper/210:12:212
224012260,3chrt0-21swapper/210:12:212
224012260,3chrt0-21swapper/210:12:212
27513992515,7cyclictest134-21systemd-journal12:30:131
27513992515,7cyclictest134-21systemd-journal12:30:131
27513992514,9cyclictest21660-21ssh09:30:591
27513992514,9cyclictest21660-21ssh09:30:591
27513992514,9cyclictest21660-21ssh09:30:591
27513992513,10cyclictest13857-21ssh11:21:351
27513992513,10cyclictest13857-21ssh11:21:351
27513992513,10cyclictest13857-21ssh11:21:351
269112251,16sleep30-21swapper/307:10:343
27513992416,6cyclictest31778-21ssh11:05:141
27513992416,6cyclictest31778-21ssh11:05:141
273342240,3sleep20-21swapper/212:20:212
273342240,3sleep20-21swapper/212:20:212
27514992314,7cyclictest1817-21sh11:49:002
27514992312,8cyclictest134-21systemd-journal09:10:132
27514992312,8cyclictest134-21systemd-journal09:10:132
27514992312,7cyclictest536-21dbus-daemon10:05:332
27514992312,7cyclictest536-21dbus-daemon10:05:332
27514992312,7cyclictest536-21dbus-daemon10:05:332
2751499230,19cyclictest31838-21ls09:45:242
2751499230,19cyclictest31838-21ls09:45:242
2751499230,19cyclictest31838-21ls09:45:242
27513992315,6cyclictest1596-21ssh11:07:071
27513992315,6cyclictest1596-21ssh11:07:071
27513992315,6cyclictest1596-21ssh11:07:071
236272230,3sleep30-21swapper/310:54:303
236272230,3sleep30-21swapper/310:54:303
165942230,2sleep20-21swapper/211:25:312
165942230,2sleep20-21swapper/211:25:312
165942230,2sleep20-21swapper/211:25:312
324442220,2sleep131334-21/usr/sbin/munin08:55:361
324442220,2sleep131334-21/usr/sbin/munin08:55:361
27514992210,10cyclictest27058-21ssh09:39:112
27514992210,10cyclictest27058-21ssh09:39:112
27514992210,10cyclictest27058-21ssh09:39:112
2751399221,19cyclictest9063-21ls10:35:331
2751399221,19cyclictest9063-21ls10:35:331
2751399221,17cyclictest23622-21ls12:15:241
2751399221,17cyclictest23622-21ls12:15:241
2751399221,17cyclictest23622-21ls12:15:241
27515992115,4cyclictest321rcuc/309:57:243
27515992115,4cyclictest321rcuc/309:57:243
2751599211,12cyclictest0-21swapper/311:50:233
2751599211,12cyclictest0-21swapper/311:50:233
2751499218,10cyclictest4254-21ssh12:30:472
2751499218,10cyclictest4254-21ssh12:30:472
2751499218,10cyclictest4254-21ssh12:30:472
2751499211,6cyclictest13309-21cron08:05:132
2751499211,6cyclictest13309-21cron08:05:132
2751499211,6cyclictest13309-21cron08:05:132
27514992113,6cyclictest4028-21diskmemload12:23:462
27514992113,6cyclictest4028-21diskmemload12:23:462
27514992113,6cyclictest4028-21diskmemload12:23:462
2751399218,10cyclictest25977-21ssh09:37:011
2751399218,10cyclictest25977-21ssh09:37:011
2751399218,10cyclictest25977-21ssh09:37:011
27513992114,5cyclictest25683-21ssh12:17:201
27513992114,5cyclictest25683-21ssh12:17:201
27513992112,7cyclictest29411-21latency_hist08:50:161
27513992112,7cyclictest29411-21latency_hist08:50:161
27513992112,7cyclictest29411-21latency_hist08:50:161
2751399211,18cyclictest24497-21ls08:35:271
2751399211,18cyclictest24497-21ls08:35:271
2751399211,12cyclictest31673-21latency_hist07:25:231
2751399211,12cyclictest31673-21latency_hist07:25:231
2751399211,10cyclictest13783-21grep10:00:361
2751399211,10cyclictest13783-21grep10:00:361
2751399211,10cyclictest13783-21grep10:00:361
34572200,2sleep20-21swapper/209:50:222
34572200,2sleep20-21swapper/209:50:222
27515992013,5cyclictest321rcuc/309:02:303
27515992013,5cyclictest321rcuc/309:02:303
27515992013,5cyclictest321rcuc/309:02:303
27515992013,4cyclictest321rcuc/310:47:223
27515992013,4cyclictest321rcuc/310:47:223
27515992013,4cyclictest321rcuc/310:47:223
2751599201,13cyclictest0-21swapper/310:40:233
2751599201,13cyclictest0-21swapper/310:40:233
2751599201,13cyclictest0-21swapper/310:15:263
2751599201,11cyclictest0-21swapper/310:40:213
2751599201,11cyclictest0-21swapper/310:40:213
2751499209,8cyclictest9215-21users09:55:362
2751499209,8cyclictest9215-21users09:55:362
2751499209,8cyclictest27550-21df_inode11:40:252
2751499202,15cyclictest13711-21ssh10:00:362
2751499202,15cyclictest13711-21ssh10:00:362
27514992012,5cyclictest8327-21fschecks_count09:15:272
27514992012,5cyclictest8327-21fschecks_count09:15:272
27514992012,5cyclictest12686-21sh12:00:302
27514992012,5cyclictest12686-21sh12:00:302
27514992012,5cyclictest12686-21sh12:00:302
2751499201,10cyclictest817-21runrttasks09:10:382
2751499201,10cyclictest817-21runrttasks09:10:382
2751499201,10cyclictest817-21runrttasks08:09:572
2751499201,10cyclictest817-21runrttasks08:09:572
2751399208,9cyclictest29720-21grep08:50:271
2751399208,9cyclictest29720-21grep08:50:271
2751399208,9cyclictest29720-21grep08:50:271
2751399204,3cyclictest131rcu_preempt10:09:121
2751399204,3cyclictest131rcu_preempt10:09:121
2751399204,3cyclictest131rcu_preempt10:09:121
2751399201,16cyclictest17598-21ls08:15:291
2751399201,16cyclictest17598-21ls08:15:291
2751399200,13cyclictest1931-21ls07:30:351
2751399200,13cyclictest1931-21ls07:30:351
106412201,3sleep10-21swapper/111:18:281
27515991914,3cyclictest321rcuc/309:33:193
27515991914,3cyclictest321rcuc/309:33:193
27515991914,3cyclictest321rcuc/309:33:193
27515991912,5cyclictest321rcuc/311:08:323
27515991912,5cyclictest321rcuc/311:08:323
27515991912,5cyclictest321rcuc/311:08:323
2751599191,15cyclictest0-21swapper/310:10:283
2751599191,15cyclictest0-21swapper/310:10:283
2751599191,14cyclictest0-21swapper/312:05:213
2751599191,14cyclictest0-21swapper/312:05:213
2751599191,14cyclictest0-21swapper/312:05:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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