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2026-06-10 - 01:51
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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 10, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
971621360,2sleep00-21swapper/022:00:230
971621360,2sleep00-21swapper/022:00:230
2050721330,3sleep30-21swapper/300:14:063
2050721330,3sleep30-21swapper/300:14:063
510421280,3sleep20-21swapper/219:50:332
510421280,3sleep20-21swapper/219:50:332
510421280,3sleep20-21swapper/219:50:332
2580221190,5sleep225770-21awk22:20:192
2580221190,5sleep225770-21awk22:20:192
2967521180,2sleep30-21swapper/323:45:323
3111921070,3sleep131108-21ssh22:25:401
3111921070,3sleep131108-21ssh22:25:401
3111921070,3sleep131108-21ssh22:25:401
1491621070,3sleep10-21swapper/123:26:131
1491621070,3sleep10-21swapper/123:26:131
103522980,3sleep30-21swapper/322:40:093
103522980,3sleep30-21swapper/322:40:093
30292940,4sleep30-21swapper/321:52:353
232742940,5sleep333-21ksoftirqd/300:16:473
232742940,5sleep333-21ksoftirqd/300:16:473
232742940,5sleep333-21ksoftirqd/300:16:473
197842940,3chrt0-21swapper/220:30:392
197842940,3chrt0-21swapper/220:30:392
177132900,3chrt0-21swapper/322:10:193
177132900,3chrt0-21swapper/322:10:193
132832880,4sleep30-21swapper/322:43:033
132832880,4sleep30-21swapper/322:43:033
60862860,4chrt4990-21/usr/sbin/munin23:55:431
60862860,4chrt4990-21/usr/sbin/munin23:55:431
47682850,1sleep333-21ksoftirqd/319:50:303
47682850,1sleep333-21ksoftirqd/319:50:303
229802840,2chrt22979-21/usr/sbin/munin22:15:401
229802840,2chrt22979-21/usr/sbin/munin22:15:401
112482830,2sleep30-21swapper/320:05:413
112482830,2sleep30-21swapper/320:05:413
91802770,3sleep30-21swapper/300:00:203
91802770,3sleep30-21swapper/300:00:203
316392750,3sleep10-21swapper/123:47:311
316392750,3sleep10-21swapper/123:47:311
43642730,3chrt0-21swapper/200:34:222
43642730,3chrt0-21swapper/200:34:222
53952720,3chrt0-21swapper/221:15:362
53952720,3chrt0-21swapper/221:15:362
239172700,2sleep022506-21ls19:10:490
239172700,2sleep022506-21ls19:10:490
239172700,2sleep022506-21ls19:10:490
210052700,2chrt0-21swapper/120:35:331
210052700,2chrt0-21swapper/120:35:331
85212680,2chrt0-21swapper/000:38:300
298442670,2sleep10-21swapper/119:30:261
298442670,2sleep10-21swapper/119:30:261
303582660,9sleep333-21ksoftirqd/323:45:403
303582660,9sleep333-21ksoftirqd/323:45:403
126852640,3sleep00-21swapper/023:24:310
126852640,3sleep00-21swapper/023:24:310
258032600,2sleep31829-21kworker/3:023:40:343
306362580,3chrt0-21swapper/119:30:391
306362580,3chrt0-21swapper/119:30:391
294802580,3sleep30-21swapper/320:59:463
202792560,3sleep30-21swapper/322:12:363
202792560,3sleep30-21swapper/322:12:363
53042550,3sleep1201rcuc/121:15:351
53042550,3sleep1201rcuc/121:15:351
113432540,9sleep227-21ksoftirqd/221:22:362
113432540,9sleep227-21ksoftirqd/221:22:362
298462530,3sleep30-21swapper/321:00:303
298462530,3sleep30-21swapper/321:00:303
129142530,3sleep30-21swapper/321:25:223
129142530,3sleep30-21swapper/321:25:223
255092520,3chrt0-21swapper/321:40:333
255092520,3chrt0-21swapper/321:40:333
255092520,3chrt0-21swapper/321:40:333
211152520,3chrt0-21swapper/323:35:153
211152520,3chrt0-21swapper/323:35:153
211152520,3chrt0-21swapper/323:35:153
95802510,3sleep30-21swapper/322:00:183
95802510,3sleep30-21swapper/322:00:183
43972510,4chrt0-21swapper/122:33:201
43972510,4chrt0-21swapper/122:33:201
54692500,3sleep30-21swapper/323:15:263
54692500,3sleep30-21swapper/323:15:263
198132490,2sleep10-21swapper/100:12:471
198132490,2sleep10-21swapper/100:12:471
57602460,2sleep30-21swapper/321:15:413
57602460,2sleep30-21swapper/321:15:413
52242460,3sleep05226-21needreboot19:50:350
52242460,3sleep05226-21needreboot19:50:350
52242460,3sleep05226-21needreboot19:50:350
28572460,4sleep30-21swapper/323:51:513
28572460,4sleep30-21swapper/323:51:513
128342450,2sleep30-21swapper/323:24:463
128342450,2sleep30-21swapper/323:24:463
289042440,3sleep30-21swapper/323:44:563
23968994431,6cyclictest9136-21latency_hist00:00:250
23968994431,6cyclictest9136-21latency_hist00:00:250
167842440,3sleep00-21swapper/023:29:420
167842440,3sleep00-21swapper/023:29:420
92872430,3chrt0-21swapper/323:20:243
92872430,3chrt0-21swapper/323:20:243
92872430,3chrt0-21swapper/323:20:243
310392430,4sleep30-21swapper/323:05:373
310392430,4sleep30-21swapper/323:05:373
310392430,4sleep30-21swapper/323:05:373
159722430,3sleep30-21swapper/321:28:433
159722430,3sleep30-21swapper/321:28:433
159722430,3sleep30-21swapper/321:28:433
133732430,2sleep213508-21/usr/sbin/munin23:25:312
133732430,2sleep213508-21/usr/sbin/munin23:25:312
131982430,3chrt0-21swapper/300:05:223
131982430,3chrt0-21swapper/300:05:223
46762420,4sleep30-21swapper/300:34:523
46762420,4sleep30-21swapper/300:34:523
291032410,2sleep129144-21awk23:45:191
291032410,2sleep129144-21awk23:45:191
233062411,30sleep30-21swapper/319:10:363
233062411,30sleep30-21swapper/319:10:363
233062411,30sleep30-21swapper/319:10:363
56872400,6sleep15685-21ssh21:55:381
56872400,6sleep15685-21ssh21:55:381
2396899401,19cyclictest9493-21acpi00:00:300
2396899401,19cyclictest9493-21acpi00:00:300
130512400,3sleep10-21swapper/121:25:281
130512400,3sleep10-21swapper/121:25:281
88892390,3chrt0-21swapper/120:00:361
88892390,3chrt0-21swapper/120:00:361
105392390,5sleep29313-21cups-browsed00:00:422
105392390,5sleep29313-21cups-browsed00:00:422
50312380,2chrt0-21swapper/123:14:441
50312380,2chrt0-21swapper/123:14:441
250102380,3sleep30-21swapper/319:15:343
250102380,3sleep30-21swapper/319:15:343
117522380,4chrt0-21swapper/322:01:473
117522380,4chrt0-21swapper/322:01:473
27592340,5sleep0151rcuc/023:51:400
27592340,5sleep0151rcuc/023:51:400
239072345,19sleep222719-21/usr/sbin/munin19:10:432
239072345,19sleep222719-21/usr/sbin/munin19:10:432
239072345,19sleep222719-21/usr/sbin/munin19:10:432
78772330,3sleep20-21swapper/223:58:332
78772330,3sleep20-21swapper/223:58:332
74052330,3chrt0-21swapper/300:36:533
121422330,2sleep00-21swapper/020:10:320
121422330,2sleep00-21swapper/020:10:320
308562320,2sleep00-21swapper/021:46:330
308562320,2sleep00-21swapper/021:46:330
125202320,3sleep00-21swapper/022:03:130
125202320,3sleep00-21swapper/022:03:130
90122310,3sleep10-21swapper/100:39:121
294932310,2sleep129489-21latency_hist00:25:291
294932310,2sleep129489-21latency_hist00:25:291
118002310,2sleep20-21swapper/220:10:262
118002310,2sleep20-21swapper/220:10:262
316252300,2sleep30-21swapper/321:47:573
316252300,2sleep30-21swapper/321:47:573
279662290,4sleep10-21swapper/121:43:411
279662290,4sleep10-21swapper/121:43:411
279662290,4sleep10-21swapper/121:43:411
190342290,3sleep117985-21/usr/sbin/munin22:10:411
190342290,3sleep117985-21/usr/sbin/munin22:10:411
166462290,8sleep227-21ksoftirqd/222:08:212
166462290,8sleep227-21ksoftirqd/222:08:212
246632280,3chrt0-21swapper/320:45:313
246632280,3chrt0-21swapper/320:45:313
2396999285,20cyclictest10594-21ssh00:00:431
2396999285,20cyclictest10594-21ssh00:00:431
228272285,15sleep10-21swapper/119:10:301
228272285,15sleep10-21swapper/119:10:301
228272285,15sleep10-21swapper/119:10:301
100382280,2sleep012-21ksoftirqd/022:39:420
100382280,2sleep012-21ksoftirqd/022:39:420
23970992718,6cyclictest17363-21df20:25:302
23970992718,6cyclictest17363-21df20:25:302
23970992718,6cyclictest17363-21df20:25:302
207662270,3sleep10-21swapper/123:34:371
207662270,3sleep10-21swapper/123:34:371
207662270,3sleep10-21swapper/123:34:371
153262270,3chrt0-21swapper/300:06:583
153262270,3chrt0-21swapper/300:06:583
178262260,1chrt0-21swapper/000:10:330
178262260,1chrt0-21swapper/000:10:330
11362260,6sleep11232-21latency21:50:331
272622250,4sleep227259-21grep22:20:432
272622250,4sleep227259-21grep22:20:432
57002240,2sleep1131rcu_preempt19:50:401
57002240,2sleep1131rcu_preempt19:50:401
57002240,2sleep1131rcu_preempt19:50:401
242832240,4sleep30-21swapper/322:56:133
242832240,4sleep30-21swapper/322:56:133
242832240,4sleep30-21swapper/322:56:133
318802231,2sleep20-21swapper/221:48:252
318802231,2sleep20-21swapper/221:48:252
23969992311,9cyclictest7592-21rm23:17:101
23969992311,9cyclictest7592-21rm23:17:101
23969992311,9cyclictest7592-21rm23:17:101
2396899231,7cyclictest2326-21needreboot22:30:350
2396899231,7cyclictest2326-21needreboot22:30:350
23968992316,4cyclictest18008-21ssh23:30:350
23968992316,4cyclictest18008-21ssh23:30:350
23968992316,4cyclictest18008-21ssh23:30:350
2396899231,10cyclictest817-21runrttasks22:13:140
2396899231,10cyclictest817-21runrttasks22:13:140
87652220,3sleep30-21swapper/320:00:343
87652220,3sleep30-21swapper/320:00:343
250042220,3sleep30-21swapper/323:40:063
23970992215,5cyclictest17810-21irqstats23:30:332
23970992213,6cyclictest15118-21ssh00:06:342
23970992213,6cyclictest15118-21ssh00:06:342
23969992212,8cyclictest674-21snmpd21:31:121
23969992212,8cyclictest674-21snmpd21:31:121
23969992212,8cyclictest674-21snmpd21:31:121
2396899221,8cyclictest19924-21grep22:50:400
2396899221,8cyclictest19924-21grep22:50:400
2396899221,8cyclictest19924-21grep22:50:400
23968992215,5cyclictest32256-21ssh23:06:560
23968992215,5cyclictest32256-21ssh23:06:560
23968992215,5cyclictest32256-21ssh23:06:560
23968992212,8cyclictest743-21diskmemload21:30:360
23968992212,8cyclictest743-21diskmemload21:30:360
23968992212,8cyclictest743-21diskmemload21:30:360
2396899221,12cyclictest14271-21tr20:15:340
2396899221,12cyclictest14271-21tr20:15:340
2396899221,11cyclictest22871-21cut20:40:310
2396899221,11cyclictest22871-21cut20:40:310
172702220,2sleep30-21swapper/323:30:253
172702220,2sleep30-21swapper/323:30:253
251882210,4sleep225190-21basename23:40:212
251882210,4sleep225190-21basename23:40:212
2397099211,5cyclictest0-21swapper/222:44:352
2397099211,5cyclictest0-21swapper/222:44:352
2397099211,5cyclictest0-21swapper/222:11:482
2397099211,5cyclictest0-21swapper/222:11:482
23970992115,4cyclictest217322sleep200:15:342
23970992115,4cyclictest217322sleep200:15:342
23970992115,4cyclictest217322sleep200:15:342
23970992113,6cyclictest29091-21sh21:45:282
23970992113,6cyclictest29091-21sh21:45:282
23970992113,6cyclictest29091-21sh21:45:282
2397099211,10cyclictest2679650kworker/u8:100:22:322
2397099211,10cyclictest2679650kworker/u8:100:22:322
23969992113,6cyclictest4148-21sh23:54:171
23969992113,6cyclictest4148-21sh23:54:171
23969992111,7cyclictest134-21systemd-journal22:05:191
23969992111,7cyclictest134-21systemd-journal22:05:191
2396999211,16cyclictest1706-21sh21:10:371
2396999211,16cyclictest1706-21sh21:10:371
2396999211,16cyclictest1706-21sh21:10:371
23968992114,5cyclictest9194-21find20:00:400
23968992114,5cyclictest9194-21find20:00:400
2396899211,15cyclictest12060-21sh22:40:460
2396899211,15cyclictest12060-21sh22:40:460
291032200,2sleep00-21swapper/019:25:390
291032200,2sleep00-21swapper/019:25:390
2397199201,13cyclictest0-21swapper/319:20:333
2397199201,13cyclictest0-21swapper/319:20:333
2397099202,4cyclictest131rcu_preempt22:30:232
2397099202,4cyclictest131rcu_preempt22:30:232
2397099202,4cyclictest131rcu_preempt22:30:232
23970992013,5cyclictest1572-21bingrep23:50:362
23970992013,5cyclictest1572-21bingrep23:50:362
23970992010,8cyclictest29243-21cron00:25:322
23970992010,8cyclictest29243-21cron00:25:322
23970992010,8cyclictest29243-21cron00:25:322
23970992010,7cyclictest25317-21grep20:45:402
23970992010,7cyclictest25317-21grep20:45:402
23970992010,7cyclictest134-21systemd-journal00:40:192
2396999209,7cyclictest13956-21cat21:25:401
2396999209,7cyclictest13956-21cat21:25:401
2396999209,7cyclictest13956-21cat21:25:401
2396999206,11cyclictest11368-21needreboot22:40:371
2396999206,11cyclictest11368-21needreboot22:40:371
2396999201,3cyclictest0-21swapper/122:09:481
2396999201,3cyclictest0-21swapper/122:09:481
23969992012,5cyclictest14591-21sed00:05:461
23969992012,5cyclictest14591-21sed00:05:461
2396999201,13cyclictest25733-21sh23:40:331
23969992010,7cyclictest0-21swapper/120:50:411
2396899206,12cyclictest38250irq/56-eth023:00:410
2396899206,12cyclictest38250irq/56-eth023:00:410
2396899206,12cyclictest38250irq/56-eth023:00:410
2396899203,6cyclictest4739-21kworker/u8:221:20:380
2396899203,6cyclictest4739-21kworker/u8:221:20:380
2396899201,9cyclictest29190-21latency_hist23:45:220
2396899201,9cyclictest29190-21latency_hist23:45:220
2396899201,8cyclictest1567-21latency_hist22:30:230
2396899201,8cyclictest1567-21latency_hist22:30:230
2396899201,8cyclictest1567-21latency_hist22:30:230
23968992015,3cyclictest12-21ksoftirqd/021:36:210
23968992015,3cyclictest12-21ksoftirqd/021:36:210
23968992013,5cyclictest16835-21ssh22:47:100
23968992013,5cyclictest16835-21ssh22:47:100
23968992011,7cyclictest6853-21ssh21:16:490
23968992011,7cyclictest6853-21ssh21:16:490
2396899201,16cyclictest30565-21cat00:25:410
2396899201,16cyclictest30565-21cat00:25:410
2396899201,16cyclictest30565-21cat00:25:410
2396899201,15cyclictest30240-21cut22:25:310
2396899201,15cyclictest30240-21cut22:25:310
2396899201,15cyclictest22626-21unixbench_multi00:15:430
2396899201,15cyclictest22626-21unixbench_multi00:15:430
2396899201,15cyclictest22626-21unixbench_multi00:15:430
188172201,16sleep218827-21sh21:31:332
188172201,16sleep218827-21sh21:31:332
188172201,16sleep218827-21sh21:31:332
247732190,3sleep00-21swapper/020:45:320
247732190,3sleep00-21swapper/020:45:320
2397199191,13cyclictest0-21swapper/321:10:223
2397199191,13cyclictest0-21swapper/321:10:223
2397099198,8cyclictest30657-21awk23:45:432
2397099198,8cyclictest30657-21awk23:45:432
2397099197,9cyclictest134-21systemd-journal20:00:182
2397099193,8cyclictest137062needreboot21:25:352
2397099193,8cyclictest137062needreboot21:25:352
2397099193,8cyclictest137062needreboot21:25:352
2397099193,3cyclictest131rcu_preempt20:20:322
2397099193,3cyclictest131rcu_preempt20:20:322
23970991912,5cyclictest21613-21sed21:35:342
23970991912,5cyclictest21613-21sed21:35:342
23970991912,4cyclictest0-21swapper/222:45:382
23970991912,4cyclictest0-21swapper/222:45:382
23970991911,5cyclictest20485-21kworker/u8:023:08:292
23970991911,5cyclictest20485-21kworker/u8:023:08:292
23970991911,5cyclictest20485-21kworker/u8:023:08:292
2396999198,9cyclictest11646-21cron20:10:311
2396999198,9cyclictest11646-21cron20:10:311
2396999196,10cyclictest30621-21fschecks_time23:05:321
2396999196,10cyclictest30621-21fschecks_time23:05:321
23969991912,5cyclictest0-21swapper/123:00:241
23969991912,5cyclictest0-21swapper/123:00:241
23969991912,5cyclictest0-21swapper/123:00:241
23969991911,6cyclictest29582-21ssh22:24:551
23969991911,6cyclictest29582-21ssh22:24:551
2396999191,14cyclictest743-21diskmemload21:45:331
2396999191,14cyclictest743-21diskmemload21:45:331
2396999190,15cyclictest21427-21sh21:35:321
2396999190,15cyclictest21427-21sh21:35:321
2396899198,3cyclictest5015-21sh23:14:420
2396899198,3cyclictest5015-21sh23:14:420
2396899197,10cyclictest38250irq/56-eth023:40:240
2396899197,10cyclictest38250irq/56-eth023:40:240
2396899195,6cyclictest17517-21fschecks_time20:25:320
2396899195,6cyclictest17517-21fschecks_time20:25:320
2396899195,6cyclictest17517-21fschecks_time20:25:320
2396899194,13cyclictest13878-21tr00:05:380
2396899194,13cyclictest13878-21tr00:05:380
2396899191,8cyclictest4774-21latency_hist21:15:220
2396899191,8cyclictest4774-21latency_hist21:15:220
2396899191,8cyclictest4774-21latency_hist21:15:220
2396899191,8cyclictest4139-21runrttasks00:33:560
2396899191,8cyclictest4139-21runrttasks00:33:560
2396899191,4cyclictest12-21ksoftirqd/023:15:380
2396899191,4cyclictest12-21ksoftirqd/023:15:380
2396899191,4cyclictest12-21ksoftirqd/023:15:380
23968991912,5cyclictest30656-21vmstat23:45:420
23968991912,5cyclictest30656-21vmstat23:45:420
23968991912,4cyclictest817-21runrttasks21:40:420
23968991912,4cyclictest817-21runrttasks21:40:420
23968991912,4cyclictest817-21runrttasks21:40:420
2396899191,15cyclictest1163-21fschecks_count21:10:310
2396899191,15cyclictest1163-21fschecks_count21:10:310
2396899191,10cyclictest27385-21ssh00:21:550
2396899191,10cyclictest27385-21ssh00:21:550
2396899190,11cyclictest4576-21sh21:55:130
150932191,3sleep10-21swapper/120:18:461
150932191,3sleep10-21swapper/120:18:461
131172191,3sleep20-21swapper/220:11:312
131172191,3sleep20-21swapper/220:11:312
251702181,11sleep125186-21ssh23:40:211
23971991811,4cyclictest258952sleep300:20:333
23971991811,4cyclictest258952sleep300:20:333
2397199181,13cyclictest0-21swapper/322:20:313
2397199181,13cyclictest0-21swapper/322:20:313
2397199181,11cyclictest2816-21chrt22:30:413
2397199181,11cyclictest2816-21chrt22:30:413
2397199181,11cyclictest0-21swapper/320:50:353
2397199181,11cyclictest0-21swapper/320:40:313
2397199181,11cyclictest0-21swapper/320:40:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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