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2026-07-11 - 03:56
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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 Sat Jul 11, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1899522760,6sleep1201rcuc/119:11:031
1899522760,6sleep1201rcuc/119:11:031
1430421170,8sleep227-21ksoftirqd/222:43:212
1430421170,8sleep227-21ksoftirqd/222:43:212
132452970,4sleep30-21swapper/300:01:073
132452970,4sleep30-21swapper/300:01:073
54462930,4sleep30-21swapper/322:32:333
54462930,4sleep30-21swapper/322:32:333
38762870,2sleep30-21swapper/300:27:363
38762870,2sleep30-21swapper/300:27:363
38762870,2sleep30-21swapper/300:27:363
27232860,3chrt0-21swapper/322:30:083
27232860,3chrt0-21swapper/322:30:083
27232860,3chrt0-21swapper/322:30:083
170082850,2sleep219792-21cyclictest22:46:112
170082850,2sleep219792-21cyclictest22:46:112
170082850,2sleep219792-21cyclictest22:46:112
313022840,3sleep00-21swapper/000:21:140
313022840,3sleep00-21swapper/000:21:140
95632750,4chrt0-21swapper/222:01:012
95632750,4chrt0-21swapper/222:01:012
139632730,2sleep012-21ksoftirqd/000:40:400
139632730,2sleep012-21ksoftirqd/000:40:400
139632730,2sleep012-21ksoftirqd/000:40:400
280502680,3sleep00-21swapper/022:21:040
280502680,3sleep00-21swapper/022:21:040
280502680,3sleep00-21swapper/022:21:040
263242680,2chrt0-21swapper/019:31:040
263242680,2chrt0-21swapper/019:31:040
263242680,2chrt0-21swapper/019:31:040
244952640,3sleep00-21swapper/022:56:010
244952640,3sleep00-21swapper/022:56:010
244952640,3sleep00-21swapper/022:56:010
181942640,3sleep00-21swapper/022:47:530
181942640,3sleep00-21swapper/022:47:530
181942640,3sleep00-21swapper/022:47:530
189992600,3sleep20-21swapper/200:08:222
189992600,3sleep20-21swapper/200:08:222
38742590,2sleep20-21swapper/221:54:102
38742590,2sleep20-21swapper/221:54:102
38742590,2sleep20-21swapper/221:54:102
265672570,3chrt0-21swapper/222:20:102
219712570,3chrt0-21swapper/023:32:270
219712570,3chrt0-21swapper/023:32:270
219712570,3chrt0-21swapper/023:32:270
206192570,2sleep00-21swapper/021:35:510
206192570,2sleep00-21swapper/021:35:510
206192570,2sleep00-21swapper/021:35:510
172612570,4chrt0-21swapper/323:26:313
172612570,4chrt0-21swapper/323:26:313
172612570,4chrt0-21swapper/323:26:313
19794995323,21cyclictest1-21systemd00:00:541
19794995323,21cyclictest1-21systemd00:00:541
19794995323,21cyclictest1-21systemd00:00:541
229682520,3sleep20-21swapper/200:13:082
229682520,3sleep20-21swapper/200:13:082
88892510,2sleep08943-21ntpq21:21:050
88892510,2sleep08943-21ntpq21:21:050
88892510,2sleep08943-21ntpq21:21:050
19793995126,17cyclictest12138-21latency_hist00:00:540
19793995126,17cyclictest12138-21latency_hist00:00:540
19793995126,17cyclictest12138-21latency_hist00:00:540
166992510,3chrt0-21swapper/023:26:080
166992510,3chrt0-21swapper/023:26:080
166992510,3chrt0-21swapper/023:26:080
152782510,3sleep30-21swapper/322:45:073
152782510,3sleep30-21swapper/322:45:073
28442500,3chrt0-21swapper/223:09:462
28442500,3chrt0-21swapper/223:09:462
28442500,3chrt0-21swapper/223:09:462
168542500,2sleep217023-21cat21:31:032
168542500,2sleep217023-21cat21:31:032
168542500,2sleep217023-21cat21:31:032
161782500,3sleep20-21swapper/220:31:022
161782500,3sleep20-21swapper/220:31:022
61712490,3sleep20-21swapper/200:31:012
61712490,3sleep20-21swapper/200:31:012
23082490,2sleep02315-21sh23:47:590
23082490,2sleep02315-21sh23:47:590
27842480,3sleep20-21swapper/222:30:152
27842480,3sleep20-21swapper/222:30:152
27842480,3sleep20-21swapper/222:30:152
18002480,3chrt0-21swapper/323:47:053
18002480,3chrt0-21swapper/323:47:053
202812470,4chrt0-21swapper/321:35:213
202812470,4chrt0-21swapper/321:35:213
202812470,4chrt0-21swapper/321:35:213
243052460,4sleep00-21swapper/019:26:010
243052460,4sleep00-21swapper/019:26:010
217862460,3sleep00-21swapper/020:46:030
217862460,3sleep00-21swapper/020:46:030
241662450,4sleep30-21swapper/321:39:523
241662450,4sleep30-21swapper/321:39:523
241662450,4sleep30-21swapper/321:39:523
288692440,4sleep30-21swapper/323:01:083
288692440,4sleep30-21swapper/323:01:083
278962440,3chrt0-21swapper/123:00:491
278962440,3chrt0-21swapper/123:00:491
278962440,3chrt0-21swapper/123:00:491
227252440,3sleep10-21swapper/119:21:041
227252440,3sleep10-21swapper/119:21:041
227252440,3sleep10-21swapper/119:21:041
139422440,4sleep00-21swapper/000:01:330
139422440,4sleep00-21swapper/000:01:330
79132420,5sleep0151rcuc/021:20:470
79132420,5sleep0151rcuc/021:20:470
307192410,4sleep10-21swapper/123:03:381
307192410,4sleep10-21swapper/123:03:381
253412410,7sleep333-21ksoftirqd/300:16:033
253412410,7sleep333-21ksoftirqd/300:16:033
91202400,3sleep00-21swapper/023:16:390
91202400,3sleep00-21swapper/023:16:390
91202400,3sleep00-21swapper/023:16:390
273102400,3sleep20-21swapper/200:17:422
273102400,3sleep20-21swapper/200:17:422
264432400,3sleep30-21swapper/321:41:323
264432400,3sleep30-21swapper/321:41:323
17412400,2sleep121-21ksoftirqd/123:07:361
17412400,2sleep121-21ksoftirqd/123:07:361
17412400,2sleep121-21ksoftirqd/123:07:361
238402390,3sleep10-21swapper/122:55:381
238402390,3sleep10-21swapper/122:55:381
238402390,3sleep10-21swapper/122:55:381
151342390,3sleep20-21swapper/223:25:092
151342390,3sleep20-21swapper/223:25:092
141852390,4sleep121-21ksoftirqd/121:26:551
141852390,4sleep121-21ksoftirqd/121:26:551
64162380,3sleep00-21swapper/000:31:030
64162380,3sleep00-21swapper/000:31:030
217352380,3sleep00-21swapper/022:15:220
217352380,3sleep00-21swapper/022:15:220
246422370,2sleep30-21swapper/319:26:043
246422370,2sleep30-21swapper/319:26:043
279552360,2sleep028002-21latency_hist23:40:480
279552360,2sleep028002-21latency_hist23:40:480
193402360,2sleep119348-21ssh22:50:001
193402360,2sleep119348-21ssh22:50:001
193402360,2sleep119348-21ssh22:50:001
108662360,3sleep20-21swapper/222:01:452
108662360,3sleep20-21swapper/222:01:452
105002350,2sleep20-21swapper/221:22:502
105002350,2sleep20-21swapper/221:22:502
105002350,2sleep20-21swapper/221:22:502
320862340,3chrt0-21swapper/021:11:230
320862340,3chrt0-21swapper/021:11:230
246422340,5sleep2261rcuc/223:36:022
246422340,5sleep2261rcuc/223:36:022
1979599342,25cyclictest12995-21ssh00:01:032
1979599341,30cyclictest13206-21/usr/sbin/munin00:01:072
1979599341,30cyclictest13206-21/usr/sbin/munin00:01:072
1979499342,25cyclictest13392-21/usr/sbin/munin00:01:091
1979499342,25cyclictest13392-21/usr/sbin/munin00:01:091
319712330,3sleep2261rcuc/223:45:352
319712330,3sleep2261rcuc/223:45:352
319712330,3sleep2261rcuc/223:45:352
148022330,2sleep10-21swapper/122:44:181
148022330,2sleep10-21swapper/122:44:181
28652320,3sleep10-21swapper/123:49:001
28652320,3sleep10-21swapper/123:49:001
32402310,4sleep121-21ksoftirqd/121:53:001
32402310,4sleep121-21ksoftirqd/121:53:001
32402310,4sleep121-21ksoftirqd/121:53:001
19795993121,7cyclictest27-21ksoftirqd/221:45:592
19795993121,7cyclictest27-21ksoftirqd/221:45:592
1979399314,5cyclictest12-21ksoftirqd/021:26:010
1979399314,5cyclictest12-21ksoftirqd/021:26:010
1979399302,7cyclictest29640-21find21:06:090
1979399302,7cyclictest29640-21find21:06:090
160792300,2sleep10-21swapper/122:08:391
160792300,2sleep10-21swapper/122:08:391
160792300,2sleep10-21swapper/122:08:391
9852290,3sleep30-21swapper/321:50:573
9852290,3sleep30-21swapper/321:50:573
9852290,3sleep30-21swapper/321:50:573
293202290,3sleep00-21swapper/023:41:110
293202290,3sleep00-21swapper/023:41:110
293202290,3sleep00-21swapper/023:41:110
1979399294,7cyclictest12-21ksoftirqd/022:46:000
1979399293,6cyclictest12-21ksoftirqd/023:06:000
1979399293,6cyclictest12-21ksoftirqd/023:06:000
192562290,2sleep30-21swapper/322:11:553
192562290,2sleep30-21swapper/322:11:553
19795992815,10cyclictest9866-21ssh23:56:392
19795992815,10cyclictest9866-21ssh23:56:392
1979499282,21cyclictest1060-21ssh21:50:581
1979499282,21cyclictest1060-21ssh21:50:581
1979499282,21cyclictest1060-21ssh21:50:581
1979399281,6cyclictest73-21kswapd000:10:580
1979399281,6cyclictest73-21kswapd000:10:580
1979399281,19cyclictest18690-21ls20:36:100
1979399281,19cyclictest18690-21ls20:36:100
118892280,3sleep00-21swapper/022:03:360
118892280,3sleep00-21swapper/022:03:360
206122270,3chrt0-21swapper/323:31:053
206122270,3chrt0-21swapper/323:31:053
206122270,3chrt0-21swapper/323:31:053
1979399279,8cyclictest131rcu_preempt23:09:010
1979399279,8cyclictest131rcu_preempt23:09:010
1979399279,8cyclictest131rcu_preempt23:09:010
1979399279,12cyclictest12-21ksoftirqd/022:40:130
1979399279,12cyclictest12-21ksoftirqd/022:40:130
1979399278,9cyclictest12-21ksoftirqd/022:27:560
1979399278,9cyclictest12-21ksoftirqd/022:27:560
1979399278,9cyclictest12-21ksoftirqd/022:27:560
1979399274,4cyclictest12-21ksoftirqd/020:41:000
1979399274,4cyclictest12-21ksoftirqd/020:41:000
1979399272,5cyclictest12-21ksoftirqd/000:16:000
1979399272,5cyclictest12-21ksoftirqd/000:16:000
107892270,2sleep110799-21ssh22:01:371
107892270,2sleep110799-21ssh22:01:371
47432260,3sleep30-21swapper/323:11:113
47432260,3sleep30-21swapper/323:11:113
47432260,3sleep30-21swapper/323:11:113
268252260,3sleep30-21swapper/322:20:313
1979499261,3cyclictest0-21swapper/123:46:001
1979499261,3cyclictest0-21swapper/123:46:001
1979499261,2cyclictest0-21swapper/100:10:581
1979499261,2cyclictest0-21swapper/100:10:581
19794992612,3cyclictest21-21ksoftirqd/121:20:591
19794992612,3cyclictest21-21ksoftirqd/121:20:591
19794992612,3cyclictest21-21ksoftirqd/121:20:591
1979399268,8cyclictest12-21ksoftirqd/019:41:470
1979399268,8cyclictest12-21ksoftirqd/019:41:470
1979399268,8cyclictest12-21ksoftirqd/019:41:470
1979399268,10cyclictest12-21ksoftirqd/020:19:360
1979399268,10cyclictest12-21ksoftirqd/020:19:360
1979399268,10cyclictest12-21ksoftirqd/019:22:370
1979399268,10cyclictest12-21ksoftirqd/019:22:370
1979399268,10cyclictest12-21ksoftirqd/019:22:370
1979399265,7cyclictest12-21ksoftirqd/021:41:090
1979399265,7cyclictest12-21ksoftirqd/021:41:090
1979399261,4cyclictest12-21ksoftirqd/023:00:530
1979399261,4cyclictest12-21ksoftirqd/023:00:530
1979399261,4cyclictest12-21ksoftirqd/023:00:530
166162260,4sleep30-21swapper/322:09:383
166162260,4sleep30-21swapper/322:09:383
166162260,4sleep30-21swapper/322:09:383
58422250,3sleep00-21swapper/022:33:140
58422250,3sleep00-21swapper/022:33:140
263682250,3chrt0-21swapper/320:58:243
263682250,3chrt0-21swapper/320:58:243
1979399258,9cyclictest12-21ksoftirqd/023:21:140
1979399258,9cyclictest12-21ksoftirqd/023:21:140
1979399258,9cyclictest12-21ksoftirqd/019:20:110
1979399258,9cyclictest12-21ksoftirqd/019:20:110
1979399257,7cyclictest12-21ksoftirqd/020:13:260
1979399257,7cyclictest12-21ksoftirqd/020:13:260
1979399257,6cyclictest12-21ksoftirqd/000:26:030
1979399257,6cyclictest12-21ksoftirqd/000:26:030
1979399257,6cyclictest12-21ksoftirqd/000:26:030
1979399257,3cyclictest131rcu_preempt19:36:020
1979399257,3cyclictest131rcu_preempt19:36:020
1979399256,6cyclictest12-21ksoftirqd/023:53:420
1979399256,6cyclictest12-21ksoftirqd/023:53:420
1979399256,10cyclictest12-21ksoftirqd/019:12:040
1979399256,10cyclictest12-21ksoftirqd/019:12:040
1979399255,14cyclictest12-21ksoftirqd/023:14:130
1979399255,14cyclictest12-21ksoftirqd/023:14:130
1979399255,14cyclictest12-21ksoftirqd/023:14:130
19793992510,6cyclictest12-21ksoftirqd/000:11:350
19793992510,6cyclictest12-21ksoftirqd/000:11:350
19793992510,4cyclictest12-21ksoftirqd/021:48:290
19793992510,4cyclictest12-21ksoftirqd/021:48:290
19793992510,4cyclictest12-21ksoftirqd/021:48:290
188472251,16sleep30-21swapper/319:11:023
188472251,16sleep30-21swapper/319:11:023
77342240,3sleep30-21swapper/323:55:213
77342240,3sleep30-21swapper/323:55:213
267862240,4sleep20-21swapper/222:58:492
267862240,4sleep20-21swapper/222:58:492
267862240,4sleep20-21swapper/222:58:492
1979699242,17cyclictest0-21swapper/300:00:543
1979699242,17cyclictest0-21swapper/300:00:543
1979699242,17cyclictest0-21swapper/300:00:543
19795992415,6cyclictest6411-21uname00:31:032
19795992415,6cyclictest6411-21uname00:31:032
19794992414,7cyclictest0-21swapper/120:21:111
19794992414,7cyclictest0-21swapper/120:21:111
1979399249,7cyclictest12-21ksoftirqd/021:57:470
1979399249,7cyclictest12-21ksoftirqd/021:57:470
1979399245,7cyclictest12-21ksoftirqd/022:09:270
1979399245,7cyclictest12-21ksoftirqd/022:09:270
1979399245,7cyclictest12-21ksoftirqd/022:09:270
1979399245,11cyclictest12-21ksoftirqd/020:35:150
1979399245,11cyclictest12-21ksoftirqd/020:35:150
1979399243,5cyclictest12-21ksoftirqd/020:25:590
1979399243,5cyclictest12-21ksoftirqd/020:25:590
19793992416,5cyclictest21911-21ssh21:36:110
19793992416,5cyclictest21911-21ssh21:36:110
19793992416,5cyclictest21911-21ssh21:36:110
196502243,12sleep218299-21ls19:11:132
196502243,12sleep218299-21ls19:11:132
51082230,3sleep10-21swapper/120:01:031
51082230,3sleep10-21swapper/120:01:031
19795992316,5cyclictest6261-21ssh23:13:442
19795992316,5cyclictest6261-21ssh23:13:442
19795992316,5cyclictest6261-21ssh23:13:442
1979399238,7cyclictest12-21ksoftirqd/021:01:150
1979399238,7cyclictest12-21ksoftirqd/021:01:150
1979399238,7cyclictest12-21ksoftirqd/019:58:220
1979399238,7cyclictest12-21ksoftirqd/019:58:220
1979399238,4cyclictest12-21ksoftirqd/022:16:450
1979399237,6cyclictest12-21ksoftirqd/020:22:410
1979399237,6cyclictest12-21ksoftirqd/020:22:410
1979399237,10cyclictest12-21ksoftirqd/021:51:480
1979399237,10cyclictest12-21ksoftirqd/021:51:480
1979399237,10cyclictest12-21ksoftirqd/021:51:480
1979399234,3cyclictest131rcu_preempt19:51:030
1979399234,3cyclictest131rcu_preempt19:51:030
315632220,3sleep20-21swapper/223:05:162
315632220,3sleep20-21swapper/223:05:162
1979599221,15cyclictest26314-21ls19:31:042
1979599221,15cyclictest26314-21ls19:31:042
1979599221,15cyclictest26314-21ls19:31:042
19795992210,10cyclictest24423-21ssh21:40:202
19795992210,10cyclictest24423-21ssh21:40:202
19795992210,10cyclictest24423-21ssh21:40:202
19794992214,5cyclictest22492-21ssh00:12:141
19794992214,5cyclictest22492-21ssh00:12:141
19794992212,7cyclictest7095-21ssh22:35:291
19794992212,7cyclictest7095-21ssh22:35:291
1979499221,16cyclictest10118-21find00:35:581
1979499221,16cyclictest10118-21find00:35:581
19794992210,10cyclictest30563-21ssh23:43:001
1979399227,7cyclictest12-21ksoftirqd/020:09:190
1979399227,7cyclictest12-21ksoftirqd/020:04:120
1979399227,7cyclictest12-21ksoftirqd/020:04:120
1979399226,5cyclictest12-21ksoftirqd/022:42:070
19793992214,5cyclictest11069-1kworker/0:1H20:51:030
19793992214,5cyclictest11069-1kworker/0:1H20:51:030
1979399221,17cyclictest32510-21ls19:46:130
1979399221,17cyclictest32510-21ls19:46:130
285902210,2sleep10-21swapper/121:45:161
285902210,2sleep10-21swapper/121:45:161
1979599211,16cyclictest12314-21cut20:21:002
1979599211,16cyclictest12314-21cut20:21:002
1979599211,14cyclictest31294-21ssh00:21:132
1979599211,14cyclictest31294-21ssh00:21:132
1979499216,2cyclictest131rcu_preempt20:46:011
1979499216,2cyclictest131rcu_preempt20:46:011
19794992113,5cyclictest29784-21fschecks_count19:40:581
19794992113,5cyclictest29784-21fschecks_count19:40:581
19794992112,6cyclictest30742-21/usr/sbin/munin21:10:591
19794992112,6cyclictest30742-21/usr/sbin/munin21:10:591
19794992112,6cyclictest1726-21munin-node00:25:581
19794992112,6cyclictest1726-21munin-node00:25:581
1979499211,17cyclictest22065-21latency_hist22:15:561
1979499211,17cyclictest22065-21latency_hist22:15:561
1979499211,17cyclictest12713-21ls23:21:111
1979499211,17cyclictest12713-21ls23:21:111
1979499211,13cyclictest8076-21rm23:16:031
1979499211,13cyclictest8076-21rm23:16:031
1979499211,13cyclictest8076-21rm23:16:031
19794992110,9cyclictest28164-21which22:21:071
19794992110,9cyclictest28164-21which22:21:071
19794992110,9cyclictest28164-21which22:21:071
19794992110,8cyclictest27967-21cron23:40:481
19794992110,8cyclictest27967-21cron23:40:481
1979499210,12cyclictest17629-21find20:35:581
1979499210,12cyclictest17629-21find20:35:581
1979399214,8cyclictest12-21ksoftirqd/021:00:200
1979399214,8cyclictest12-21ksoftirqd/021:00:200
125952211,3sleep30-21swapper/321:26:023
125952211,3sleep30-21swapper/321:26:023
90672200,3sleep19066-21ssh22:00:521
90672200,3sleep19066-21ssh22:00:521
301032200,2sleep30-21swapper/323:42:103
301032200,2sleep30-21swapper/323:42:103
301032200,2sleep30-21swapper/323:42:103
1979699201,14cyclictest0-21swapper/321:05:583
1979699201,13cyclictest0-21swapper/320:26:023
1979699201,13cyclictest0-21swapper/320:26:023
1979599208,10cyclictest10752-21gzip00:36:052
1979599208,10cyclictest10752-21gzip00:36:052
1979599208,10cyclictest10752-21gzip00:36:052
1979599207,10cyclictest20981-21grep23:31:102
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