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2025-12-12 - 20:16
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Fri Dec 12, 2025 06:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
876321400,4sleep08731-21execl05:50:450
876321400,4sleep08731-21execl05:50:450
2012321330,2sleep120131-21od06:11:331
2012321330,2sleep120131-21od06:11:331
2804521310,2sleep00-21swapper/006:08:380
2804521310,2sleep00-21swapper/006:08:380
2804521310,2sleep00-21swapper/006:08:380
1297521310,4sleep333-21ksoftirqd/306:00:583
1297521310,4sleep333-21ksoftirqd/306:00:583
1297521310,4sleep333-21ksoftirqd/306:00:583
1519121280,3sleep30-21swapper/306:09:263
1519121280,3sleep30-21swapper/306:09:263
1519121280,3sleep30-21swapper/306:09:263
2058921270,3sleep20-21swapper/205:29:252
2058921270,3sleep20-21swapper/205:29:252
2058921270,3sleep20-21swapper/205:29:252
1335521250,3sleep30-21swapper/306:03:163
1335521250,3sleep30-21swapper/306:03:163
1861421230,3sleep20-21swapper/205:23:592
1597721210,6sleep115986-21rm06:11:201
1597721210,6sleep115986-21rm06:11:201
1035021210,2sleep30-21swapper/305:52:013
1035021210,2sleep30-21swapper/305:52:013
1859121200,3sleep30-21swapper/305:23:483
1804821200,2sleep218023-21sh06:09:332
1804821200,2sleep218023-21sh06:09:332
1804821200,2sleep218023-21sh06:09:332
1459721180,2chrt14600-21sh05:41:082
1459721180,2chrt14600-21sh05:41:082
1459721180,2chrt14600-21sh05:41:082
863021150,2sleep30-21swapper/305:49:363
863021150,2sleep30-21swapper/305:49:363
2231121140,4sleep20-21swapper/205:31:512
1854721130,2sleep00-21swapper/005:23:160
280521110,5sleep12810-21sh06:08:551
1621021080,5chrt0-21swapper/305:41:133
1621021080,5chrt0-21swapper/305:41:133
1621021080,5chrt0-21swapper/305:41:133
1799121050,3sleep30-21swapper/306:11:263
1799121050,3sleep30-21swapper/306:11:263
1053121050,2chrt10511-21fstime05:53:361
1053121050,2chrt10511-21fstime05:53:361
1017321040,7sleep010175-21sort05:42:340
1017321040,7sleep010175-21sort05:42:340
2954021030,2sleep30-21swapper/305:43:323
2954021030,2sleep30-21swapper/305:43:323
1095821030,2sleep210950-21expr05:42:362
1095821030,2sleep210950-21expr05:42:362
2784321020,10sleep127854-21multi.sh05:41:491
2784321020,10sleep127854-21multi.sh05:41:491
196472990,3sleep30-21swapper/305:26:133
196472990,3sleep30-21swapper/305:26:133
196472990,3sleep30-21swapper/305:26:133
87642970,4sleep18733-21execl05:50:461
87642970,4sleep18733-21execl05:50:461
128872900,7chrt12878-21context106:00:332
128872900,7chrt12878-21context106:00:332
128872900,7chrt12878-21context106:00:332
242232850,4sleep024262-21rm06:11:500
242232850,4sleep024262-21rm06:11:500
19192820,2sleep22240-21expr06:12:252
19192820,2sleep22240-21expr06:12:252
103772780,3sleep20-21swapper/206:16:162
103772780,3sleep20-21swapper/206:16:162
71972770,3chrt0-21swapper/005:35:180
17962760,3sleep014818-21spawn06:03:090
17962760,3sleep014818-21spawn06:03:090
224192670,2sleep30-21swapper/305:32:363
86512630,4sleep28608-21execl05:49:512
86512630,4sleep28608-21execl05:49:512
147012610,2chrt14685-21context106:02:062
147012610,2chrt14685-21context106:02:062
135322610,3sleep012068-21ls05:06:290
135322610,3sleep012068-21ls05:06:290
128042580,2sleep112799-21pipe06:00:051
128042580,2sleep112799-21pipe06:00:051
128042580,2sleep112799-21pipe06:00:051
105682560,3chrt10513-21fstime05:54:030
105682560,3chrt10513-21fstime05:54:030
147432540,2sleep114732-21context106:02:221
147432540,2sleep114732-21context106:02:221
142162520,3chrt0-21swapper/306:26:223
142162520,3chrt0-21swapper/306:26:223
142162520,3chrt0-21swapper/306:26:223
143772500,3sleep20-21swapper/205:11:132
268442480,3sleep10-21swapper/105:34:511
170682460,3sleep00-21swapper/005:39:530
170682460,3sleep00-21swapper/005:39:530
170682460,3sleep00-21swapper/005:39:530
182592430,3sleep20-21swapper/205:21:052
279182400,3sleep10-21swapper/105:40:181
279182400,3sleep10-21swapper/105:40:181
279182400,3sleep10-21swapper/105:40:181
187322400,1sleep118686-21fstime05:25:151
123472400,2sleep012325-21fstime05:56:580
123472400,2sleep012325-21fstime05:56:580
123472400,2sleep012325-21fstime05:56:580
207332370,2sleep120715-21pipe05:30:341
207332370,2sleep120715-21pipe05:30:341
207332370,2sleep120715-21pipe05:30:341
206952370,8sleep012-21ksoftirqd/005:30:160
206952370,8sleep012-21ksoftirqd/005:30:160
206952370,8sleep012-21ksoftirqd/005:30:160
140652320,2sleep30-21swapper/305:11:023
140652320,2sleep30-21swapper/305:11:023
180252300,2sleep30-21swapper/305:20:423
13586993018,9cyclictest18872-21chrt06:39:443
13586993018,9cyclictest18872-21chrt06:39:443
1358599308,19cyclictest27-21ksoftirqd/205:51:132
1358599308,19cyclictest27-21ksoftirqd/205:51:132
13586992917,9cyclictest19410-21chrt06:41:133
13586992917,9cyclictest19410-21chrt06:41:133
13586992917,9cyclictest19410-21chrt06:41:133
13585992921,5cyclictest261rcuc/206:41:132
13585992921,5cyclictest261rcuc/206:41:132
13585992921,5cyclictest261rcuc/206:41:132
13586992815,10cyclictest16121-21chrt06:31:163
124902285,15sleep10-21swapper/105:06:141
124902285,15sleep10-21swapper/105:06:141
13586992714,9cyclictest15640-21chrt05:13:193
13586992614,9cyclictest11183-21chrt06:19:393
13586992614,9cyclictest11183-21chrt06:19:393
183162250,2sleep00-21swapper/005:21:070
13586992512,10cyclictest12855-21taskset06:21:523
13586992512,10cyclictest12855-21taskset06:21:523
123052256,12sleep20-21swapper/205:06:112
123052256,12sleep20-21swapper/205:06:112
1358299241,12cyclictest10772-21grep06:16:210
1358299241,12cyclictest10772-21grep06:16:210
13585992312,4cyclictest27-21ksoftirqd/206:37:442
13585992312,4cyclictest27-21ksoftirqd/206:37:442
1358399231,8cyclictest14233-21/usr/sbin/munin05:11:231
1358599223,5cyclictest131rcu_preempt06:26:162
1358599223,5cyclictest131rcu_preempt06:26:162
1358599223,5cyclictest131rcu_preempt06:26:162
1358599218,3cyclictest131rcu_preempt06:31:202
1358399212,8cyclictest18020-21execl05:21:011
1358399212,3cyclictest0-21swapper/106:21:131
1358399212,3cyclictest0-21swapper/106:21:131
1358399210,2cyclictest131rcu_preempt06:41:151
1358399210,2cyclictest131rcu_preempt06:41:151
1358399210,2cyclictest131rcu_preempt06:41:151
1358299215,13cyclictest13674-21df_inode06:26:160
1358299215,13cyclictest13674-21df_inode06:26:160
1358299215,13cyclictest13674-21df_inode06:26:160
1358299210,18cyclictest17874-21ls06:36:180
1358299210,18cyclictest17874-21ls06:36:180
1358399200,2cyclictest131rcu_preempt06:31:201
1358299206,3cyclictest12-21ksoftirqd/005:11:230
1358299201,8cyclictest13219-21latency_hist06:26:020
1358299201,8cyclictest13219-21latency_hist06:26:020
1358599195,3cyclictest131rcu_preempt06:21:132
1358599195,3cyclictest131rcu_preempt06:21:132
1358399191,4cyclictest131rcu_preempt06:26:281
1358399191,4cyclictest131rcu_preempt06:26:281
1358399191,4cyclictest131rcu_preempt06:26:281
13583991912,5cyclictest0-21swapper/106:16:141
13583991912,5cyclictest0-21swapper/106:16:141
1358399181,11cyclictest17654-21ls06:36:161
1358399181,11cyclictest17654-21ls06:36:161
1358299181,14cyclictest19762-21memory06:41:160
1358299181,14cyclictest19762-21memory06:41:160
1358299181,14cyclictest19762-21memory06:41:160
1358299171,13cyclictest17234-21wc06:36:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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