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2026-04-28 - 23:18
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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 Tue Apr 28, 2026 10:06:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
817124930,3sleep06688-21ls07:12:410
817124930,3sleep06688-21ls07:12:410
819424020,1sleep227-21ksoftirqd/207:12:472
819424020,1sleep227-21ksoftirqd/207:12:472
790221930,8sleep10-21swapper/107:12:381
790221930,8sleep10-21swapper/107:12:381
2897421270,3sleep30-21swapper/309:57:163
2897421270,3sleep30-21swapper/309:57:163
259221050,2sleep10-21swapper/110:02:331
259221050,2sleep10-21swapper/110:02:331
259221050,2sleep10-21swapper/110:02:331
1466821010,2sleep30-21swapper/307:32:213
310052990,3sleep230999-21find08:12:342
310052990,3sleep230999-21find08:12:342
252082980,3sleep10-21swapper/107:57:321
252082980,3sleep10-21swapper/107:57:321
63062970,2sleep30-21swapper/308:32:333
63062970,2sleep30-21swapper/308:32:333
45792890,3chrt0-21swapper/109:29:071
45792890,3chrt0-21swapper/109:29:071
281932870,3sleep10-21swapper/109:56:221
281932870,3sleep10-21swapper/109:56:221
290612710,2sleep10-21swapper/108:07:341
190432700,3sleep30-21swapper/309:45:263
190432700,3sleep30-21swapper/309:45:263
213932690,3chrt21386-21find09:47:331
213932690,3chrt21386-21find09:47:331
213932690,3chrt21386-21find09:47:331
155272650,3sleep10-21swapper/108:57:271
155272650,3sleep10-21swapper/108:57:271
286612580,3sleep10-21swapper/109:19:591
286612580,3sleep10-21swapper/109:19:591
219032530,1chrt12-21ksoftirqd/009:12:340
281972510,2sleep228283-21fschecks_count08:07:222
4682500,2sleep2640-21sed08:17:332
4682500,2sleep2640-21sed08:17:332
4682500,2sleep2640-21sed08:17:332
4682500,2sleep2640-21sed08:17:332
18662500,2sleep11873-21sh09:26:551
18662500,2sleep11873-21sh09:26:551
50822490,1sleep05094-21ssh09:30:040
50822490,1sleep05094-21ssh09:30:040
269122490,3sleep30-21swapper/309:17:363
269122490,3sleep30-21swapper/309:17:363
200002480,5sleep048-21kcompactd009:47:080
200002480,5sleep048-21kcompactd009:47:080
824699470,29cyclictest12192-21taskset07:23:501
824699470,29cyclictest12192-21taskset07:23:501
272232460,3sleep20-21swapper/209:54:542
272232460,3sleep20-21swapper/209:54:542
9362440,3sleep20-21swapper/210:01:452
9362440,3sleep20-21swapper/210:01:452
824699441,40cyclictest19487-21find07:42:311
824699441,40cyclictest19487-21find07:42:311
824699441,2cyclictest0-21swapper/109:57:301
824699441,2cyclictest0-21swapper/109:57:301
824699441,2cyclictest0-21swapper/108:32:321
824699441,2cyclictest0-21swapper/108:32:321
824699441,29cyclictest18475-21seq09:06:381
824699441,29cyclictest18475-21seq09:06:381
824699441,29cyclictest18475-21seq09:06:381
24052440,3sleep30-21swapper/310:02:313
24052440,3sleep30-21swapper/310:02:313
24052440,3sleep30-21swapper/310:02:313
824699421,25cyclictest0-21swapper/108:32:171
255302420,4sleep1201rcuc/109:17:171
184212420,2sleep00-21swapper/007:42:150
184212420,2sleep00-21swapper/007:42:150
824699411,2cyclictest0-21swapper/108:37:341
824699411,2cyclictest0-21swapper/108:37:341
824699411,2cyclictest0-21swapper/108:37:341
824699411,28cyclictest14175-21ssh09:39:541
824699411,28cyclictest14175-21ssh09:39:541
824699411,27cyclictest10424-21ssh09:36:261
824699411,27cyclictest10424-21ssh09:36:261
824699410,27cyclictest23929-21taskset07:56:461
824699410,27cyclictest23929-21taskset07:56:461
824699410,26cyclictest19917-21ssh09:46:581
824699410,26cyclictest19917-21ssh09:46:581
824699401,4cyclictest0-21swapper/107:27:341
824699401,4cyclictest0-21swapper/107:27:341
824699401,36cyclictest2393-21find08:22:321
824699401,36cyclictest2393-21find08:22:321
824699401,25cyclictest14277-21sshd08:52:441
824699401,25cyclictest14277-21sshd08:52:441
12962400,10sleep333-21ksoftirqd/310:02:103
12962400,10sleep333-21ksoftirqd/310:02:103
78322391,28sleep30-21swapper/307:12:363
78322391,28sleep30-21swapper/307:12:363
259922380,3sleep30-21swapper/308:02:123
259922380,3sleep30-21swapper/308:02:123
824699371,27cyclictest21853-21seq07:49:141
824699370,3cyclictest461-21find08:17:311
824699370,3cyclictest461-21find08:17:311
824699370,3cyclictest461-21find08:17:311
824699370,3cyclictest461-21find08:17:311
824699361,3cyclictest0-21swapper/109:07:341
824699361,3cyclictest0-21swapper/109:07:341
824699361,2cyclictest0-21swapper/108:47:341
311782360,3sleep30-21swapper/308:12:353
311782360,3sleep30-21swapper/308:12:353
824699351,5cyclictest0-21swapper/107:37:321
824699351,5cyclictest0-21swapper/107:37:321
824699351,4cyclictest0-21swapper/107:32:331
824699351,3cyclictest0-21swapper/108:42:301
824699351,3cyclictest0-21swapper/108:42:301
824699351,3cyclictest0-21swapper/108:42:301
824699350,2cyclictest31004-21grep08:12:331
824699350,2cyclictest31004-21grep08:12:331
29122350,3sleep30-21swapper/309:27:243
29122350,3sleep30-21swapper/309:27:243
153222350,2sleep215363-21proc_pri07:32:292
94682340,3sleep10-21swapper/107:17:241
94682340,3sleep10-21swapper/107:17:241
20902330,4sleep30-21swapper/308:22:273
20902330,4sleep30-21swapper/308:22:273
824699321,3cyclictest0-21swapper/108:02:331
824699321,3cyclictest0-21swapper/108:02:331
150072320,3sleep3321rcuc/309:41:083
150072320,3sleep3321rcuc/309:41:083
137432320,3sleep00-21swapper/009:39:160
137432320,3sleep00-21swapper/009:39:160
150282300,2sleep015165-21cut08:57:230
150282300,2sleep015165-21cut08:57:230
824799291,5cyclictest13966-21find08:52:342
824799291,5cyclictest13966-21find08:52:342
824599295,4cyclictest12-21ksoftirqd/009:02:320
824599295,4cyclictest12-21ksoftirqd/009:02:320
824599295,4cyclictest12-21ksoftirqd/009:02:320
8245992910,10cyclictest12-21ksoftirqd/009:37:110
8245992910,10cyclictest12-21ksoftirqd/009:37:110
40062290,2sleep00-21swapper/008:27:270
8247992811,5cyclictest131rcu_preempt09:47:332
8247992811,5cyclictest131rcu_preempt09:47:332
8247992811,5cyclictest131rcu_preempt09:47:332
3342280,2sleep0341-21sh09:24:130
3342280,2sleep0341-21sh09:24:130
193022280,2sleep219387-21mailstats07:42:302
193022280,2sleep219387-21mailstats07:42:302
824799272,6cyclictest27-21ksoftirqd/207:22:322
824799272,6cyclictest27-21ksoftirqd/207:22:322
21182270,4sleep00-21swapper/008:22:280
21182270,4sleep00-21swapper/008:22:280
154092270,4sleep30-21swapper/308:57:253
154092270,4sleep30-21swapper/308:57:253
824799269,7cyclictest7675-21taskset09:32:342
824799269,7cyclictest7675-21taskset09:32:342
8245992614,3cyclictest12-21ksoftirqd/010:04:090
8245992614,3cyclictest12-21ksoftirqd/010:04:090
8245992614,3cyclictest12-21ksoftirqd/010:04:090
8245992613,4cyclictest12-21ksoftirqd/007:37:170
824799259,3cyclictest131rcu_preempt09:17:322
824799259,3cyclictest131rcu_preempt09:17:322
8247992510,5cyclictest27-21ksoftirqd/207:27:292
8247992510,5cyclictest27-21ksoftirqd/207:27:292
824599254,10cyclictest12-21ksoftirqd/009:49:130
824599254,10cyclictest12-21ksoftirqd/009:49:130
824599254,10cyclictest12-21ksoftirqd/009:49:130
824599252,5cyclictest12-21ksoftirqd/007:42:310
824599252,5cyclictest12-21ksoftirqd/007:42:310
316012250,2sleep00-21swapper/009:59:140
316012250,2sleep00-21swapper/009:59:140
824799242,3cyclictest131rcu_preempt08:34:432
824799242,3cyclictest131rcu_preempt08:34:432
824599248,8cyclictest12-21ksoftirqd/007:24:080
824599248,8cyclictest12-21ksoftirqd/007:24:080
824799239,3cyclictest131rcu_preempt09:22:422
824799239,3cyclictest131rcu_preempt09:22:422
824799238,10cyclictest261rcuc/209:27:242
824799238,10cyclictest261rcuc/209:27:242
824799236,6cyclictest17523-21grep07:37:342
824799236,6cyclictest17523-21grep07:37:342
824799234,4cyclictest131rcu_preempt09:12:322
824799231,19cyclictest16685-21ls09:42:262
824799231,19cyclictest16685-21ls09:42:262
824799230,3cyclictest131rcu_preempt07:52:342
824799230,3cyclictest131rcu_preempt07:52:342
824599239,7cyclictest12-21ksoftirqd/008:39:440
824599239,7cyclictest12-21ksoftirqd/008:39:440
824599239,7cyclictest12-21ksoftirqd/008:39:440
824599237,3cyclictest131rcu_preempt08:42:290
824599237,3cyclictest131rcu_preempt08:42:290
824599237,3cyclictest131rcu_preempt08:42:290
824599234,7cyclictest12-21ksoftirqd/008:07:340
824599233,6cyclictest73-21kswapd008:12:340
824599233,6cyclictest73-21kswapd008:12:340
8245992310,6cyclictest12-21ksoftirqd/009:18:240
8245992310,6cyclictest12-21ksoftirqd/009:18:240
41492230,3sleep30-21swapper/308:27:303
824799227,8cyclictest27-21ksoftirqd/208:47:232
824799221,19cyclictest9860-21find07:17:312
824799221,19cyclictest9860-21find07:17:312
824599227,6cyclictest24499-21fschecks_time07:57:210
824599227,6cyclictest24499-21fschecks_time07:57:210
824599227,3cyclictest131rcu_preempt09:07:340
824599227,3cyclictest131rcu_preempt09:07:340
8245992214,6cyclictest151rcuc/007:52:340
8245992214,6cyclictest151rcuc/007:52:340
8248992116,3cyclictest321rcuc/308:50:303
8248992115,4cyclictest321rcuc/308:19:153
8248992115,4cyclictest321rcuc/308:19:153
8248992115,4cyclictest321rcuc/308:19:153
8248992115,4cyclictest321rcuc/308:19:153
824799219,3cyclictest27-21ksoftirqd/208:47:182
824799219,3cyclictest27-21ksoftirqd/208:47:182
824799219,3cyclictest27-21ksoftirqd/208:47:182
824799218,8cyclictest0-21swapper/210:05:352
824799218,8cyclictest0-21swapper/210:05:352
824799218,8cyclictest0-21swapper/210:05:352
824799213,4cyclictest27-21ksoftirqd/207:57:322
824799213,4cyclictest27-21ksoftirqd/207:57:322
8247992110,3cyclictest27-21ksoftirqd/208:40:242
8247992110,3cyclictest27-21ksoftirqd/208:40:242
8247992110,3cyclictest27-21ksoftirqd/208:40:242
824599218,5cyclictest20945-21/usr/sbin/munin07:47:240
824599216,8cyclictest12-21ksoftirqd/009:55:410
824599216,8cyclictest12-21ksoftirqd/009:55:410
824599213,9cyclictest7137-21latency_hist08:37:140
824599213,9cyclictest7137-21latency_hist08:37:140
8245992112,7cyclictest151rcuc/008:47:330
824599211,18cyclictest32019-21ls08:17:200
824599211,18cyclictest32019-21ls08:17:200
824599211,18cyclictest32019-21ls08:17:200
824599211,18cyclictest32019-21ls08:17:200
78562210,3chrt0-21swapper/309:32:363
78562210,3chrt0-21swapper/309:32:363
824899205,11cyclictest321rcuc/308:52:353
824899205,11cyclictest321rcuc/308:52:353
824799209,3cyclictest27-21ksoftirqd/209:38:092
824799209,3cyclictest27-21ksoftirqd/209:38:092
824799207,2cyclictest131rcu_preempt09:02:262
824799207,2cyclictest131rcu_preempt09:02:262
824799207,2cyclictest131rcu_preempt09:02:262
8247992014,4cyclictest27-21ksoftirqd/208:27:322
824799201,14cyclictest21368-21switchtime07:47:312
8247992010,3cyclictest27-21ksoftirqd/209:07:212
8247992010,3cyclictest27-21ksoftirqd/209:07:212
824799200,2cyclictest131rcu_preempt08:22:322
824799200,2cyclictest131rcu_preempt08:22:322
824599209,5cyclictest12-21ksoftirqd/008:03:310
824599209,5cyclictest12-21ksoftirqd/008:03:310
8248991914,3cyclictest321rcuc/308:40:173
8248991914,3cyclictest321rcuc/308:40:173
8248991914,3cyclictest321rcuc/308:40:173
8248991913,4cyclictest321rcuc/307:31:023
8248991913,4cyclictest321rcuc/307:31:023
8248991913,4cyclictest0-21swapper/307:20:573
8248991913,4cyclictest0-21swapper/307:20:573
824799198,3cyclictest27-21ksoftirqd/208:57:262
824799198,3cyclictest27-21ksoftirqd/208:57:262
824799197,3cyclictest27-21ksoftirqd/208:02:252
824799197,3cyclictest27-21ksoftirqd/208:02:252
824599192,14cyclictest9458-21needreboot07:17:230
824599192,14cyclictest9458-21needreboot07:17:230
248562190,3sleep30-21swapper/309:16:303
8248991813,3cyclictest0-21swapper/309:47:273
8248991813,3cyclictest0-21swapper/309:47:273
8248991813,3cyclictest0-21swapper/309:47:273
8248991812,4cyclictest321rcuc/308:45:403
8248991812,4cyclictest321rcuc/308:45:403
8248991812,4cyclictest321rcuc/308:45:403
8248991812,4cyclictest321rcuc/307:38:173
8248991812,4cyclictest321rcuc/307:38:173
8248991812,4cyclictest321rcuc/307:26:233
8248991812,4cyclictest321rcuc/307:26:233
8245991812,4cyclictest0-21swapper/007:27:260
8245991812,4cyclictest0-21swapper/007:27:260
8248991713,3cyclictest0-21swapper/307:52:353
8248991713,3cyclictest0-21swapper/307:52:353
8248991712,3cyclictest0-21swapper/309:07:343
8248991712,3cyclictest0-21swapper/309:07:343
8248991711,4cyclictest321rcuc/307:44:233
8248991711,4cyclictest321rcuc/307:44:233
8248991711,4cyclictest0-21swapper/308:02:293
8248991711,4cyclictest0-21swapper/308:02:293
824599172,13cyclictest14146-21grep08:52:360
824599172,13cyclictest14146-21grep08:52:360
8248991612,3cyclictest321rcuc/309:25:493
8248991612,3cyclictest321rcuc/309:25:493
8248991611,4cyclictest0-21swapper/309:02:243
8248991611,4cyclictest0-21swapper/309:02:243
8248991611,4cyclictest0-21swapper/309:02:243
824899161,10cyclictest0-21swapper/307:47:253
8248991610,4cyclictest321rcuc/308:07:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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