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2026-07-10 - 13:55
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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 Fri Jul 10, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2736821140,3sleep30-21swapper/308:26:133
2736821140,3sleep30-21swapper/308:26:133
44192970,3chrt0-21swapper/207:26:042
44192970,3chrt0-21swapper/207:26:042
138982940,3chrt0-21swapper/109:52:281
138982940,3chrt0-21swapper/109:52:281
138982940,3chrt0-21swapper/109:52:281
139192910,3sleep20-21swapper/207:51:032
139192910,3sleep20-21swapper/207:51:032
51792810,2chrt0-21swapper/108:56:011
51792810,2chrt0-21swapper/108:56:011
51792810,2chrt0-21swapper/108:56:011
132112760,3sleep20-21swapper/210:30:552
132112760,3sleep20-21swapper/210:30:552
4602690,5sleep227-21ksoftirqd/210:56:112
4602690,5sleep227-21ksoftirqd/210:56:112
4602690,5sleep227-21ksoftirqd/210:56:112
4602690,5sleep227-21ksoftirqd/210:56:112
128112650,3chrt0-21swapper/111:13:471
128112650,3chrt0-21swapper/111:13:471
128112650,3chrt0-21swapper/111:13:471
128112650,3chrt0-21swapper/111:13:471
124922650,3sleep10-21swapper/107:46:121
124922650,3sleep10-21swapper/107:46:121
124922650,3sleep10-21swapper/107:46:121
273032620,3sleep30-21swapper/310:49:093
273032620,3sleep30-21swapper/310:49:093
273032620,3sleep30-21swapper/310:49:093
273032620,3sleep30-21swapper/310:49:093
186852610,3chrt0-21swapper/111:59:201
186852610,3chrt0-21swapper/111:59:201
186852610,3chrt0-21swapper/111:59:201
310622600,2sleep30-21swapper/310:54:273
310622600,2sleep30-21swapper/310:54:273
310622600,2sleep30-21swapper/310:54:273
100622560,3sleep20-21swapper/207:41:032
100622560,3sleep20-21swapper/207:41:032
287902550,3chrt28789-21awk10:11:062
287902550,3chrt28789-21awk10:11:062
196832550,2sleep119696-21ssh12:39:411
196832550,2sleep119696-21ssh12:39:411
183562530,8chrt21-21ksoftirqd/109:18:311
183562530,8chrt21-21ksoftirqd/109:18:311
110752530,8sleep333-21ksoftirqd/309:49:483
110752530,8sleep333-21ksoftirqd/309:49:483
110752530,8sleep333-21ksoftirqd/309:49:483
60912520,3chrt0-21swapper/212:24:092
60912520,3chrt0-21swapper/212:24:092
60912520,3chrt0-21swapper/212:24:092
60912520,3chrt0-21swapper/212:24:092
317232500,2sleep030597-21ls07:11:120
317232500,2sleep030597-21ls07:11:120
297812500,2sleep129791-21ssh10:11:461
297812500,2sleep129791-21ssh10:11:461
283892480,3sleep20-21swapper/208:31:022
283892480,3sleep20-21swapper/208:31:022
70962470,4sleep30-21swapper/311:06:013
70962470,4sleep30-21swapper/311:06:013
70962470,4sleep30-21swapper/311:06:013
310462470,1sleep10-21swapper/112:15:161
310462470,1sleep10-21swapper/112:15:161
310462470,1sleep10-21swapper/112:15:161
89212460,3sleep20-21swapper/211:08:092
89212460,3sleep20-21swapper/211:08:092
89212460,3sleep20-21swapper/211:08:092
254742460,4sleep10-21swapper/110:46:051
254742460,4sleep10-21swapper/110:46:051
254742460,4sleep10-21swapper/110:46:051
254742460,4sleep10-21swapper/110:46:051
202442460,3sleep30-21swapper/312:40:303
202442460,3sleep30-21swapper/312:40:303
118872460,3sleep00-21swapper/010:28:440
118872460,3sleep00-21swapper/010:28:440
37302450,3sleep30-21swapper/311:01:023
37302450,3sleep30-21swapper/311:01:023
37302450,3sleep30-21swapper/311:01:023
37302450,3sleep30-21swapper/311:01:023
34622450,3sleep00-21swapper/009:40:330
34622450,3sleep00-21swapper/009:40:330
302592450,2sleep30-21swapper/312:13:453
302592450,2sleep30-21swapper/312:13:453
302592450,2sleep30-21swapper/312:13:453
21282450,2sleep121-21ksoftirqd/110:16:431
21282450,2sleep121-21ksoftirqd/110:16:431
206382450,3sleep220622-21ssh10:01:052
206382450,3sleep220622-21ssh10:01:052
206382450,3sleep220622-21ssh10:01:052
86862440,3sleep10-21swapper/110:25:151
86862440,3sleep10-21swapper/110:25:151
39772440,3sleep10-21swapper/112:21:071
39772440,3sleep10-21swapper/112:21:071
39772440,3sleep10-21swapper/112:21:071
39772440,3sleep10-21swapper/112:21:071
300152440,3chrt0-21swapper/210:52:052
300152440,3chrt0-21swapper/210:52:052
300152440,3chrt0-21swapper/210:52:052
263542440,3sleep00-21swapper/010:08:340
263542440,3sleep00-21swapper/010:08:340
321332430,8sleep333-21ksoftirqd/309:35:543
321332430,8sleep333-21ksoftirqd/309:35:543
321332430,8sleep333-21ksoftirqd/309:35:543
177582430,3sleep00-21swapper/008:01:060
177582430,3sleep00-21swapper/008:01:060
244382420,3sleep00-21swapper/012:06:070
244382420,3sleep00-21swapper/012:06:070
244382420,3sleep00-21swapper/012:06:070
182492420,4sleep30-21swapper/309:18:213
182492420,4sleep30-21swapper/309:18:213
137562420,2sleep20-21swapper/209:13:462
137562420,2sleep20-21swapper/209:13:462
204252400,3sleep10-21swapper/111:23:151
204252400,3sleep10-21swapper/111:23:151
204252400,3sleep10-21swapper/111:23:151
233072390,3sleep232110-21cyclictest11:26:132
233072390,3sleep232110-21cyclictest11:26:132
58332380,2sleep20-21swapper/211:42:502
58332380,2sleep20-21swapper/211:42:502
58332380,2sleep20-21swapper/211:42:502
99842370,2sleep110061-21/usr/sbin/munin07:41:031
99842370,2sleep110061-21/usr/sbin/munin07:41:031
91612370,3sleep10-21swapper/112:27:261
91612370,3sleep10-21swapper/112:27:261
320272370,27sleep30-21swapper/307:11:153
320272370,27sleep30-21swapper/307:11:153
240342370,3sleep30-21swapper/309:25:493
240342370,3sleep30-21swapper/309:25:493
164562370,3sleep30-21swapper/309:56:033
164562370,3sleep30-21swapper/309:56:033
164562370,3sleep30-21swapper/309:56:033
155772370,2sleep015586-21ssh10:33:030
155772370,2sleep015586-21ssh10:33:030
154162370,4sleep10-21swapper/111:55:431
154162370,4sleep10-21swapper/111:55:431
154162370,4sleep10-21swapper/111:55:431
108342370,3sleep30-21swapper/307:41:123
108342370,3sleep30-21swapper/307:41:123
9192350,2sleep10-21swapper/110:56:231
9192350,2sleep10-21swapper/110:56:231
9192350,2sleep10-21swapper/110:56:231
9192350,2sleep10-21swapper/110:56:231
41512350,3sleep30-21swapper/309:41:003
320582358,16sleep20-21swapper/207:11:262
320582358,16sleep20-21swapper/207:11:262
245982350,3sleep20-21swapper/212:06:092
245982350,3sleep20-21swapper/212:06:092
245982350,3sleep20-21swapper/212:06:092
33722340,2sleep13377-21unixbench_singl07:21:121
33722340,2sleep13377-21unixbench_singl07:21:121
33722340,2sleep13377-21unixbench_singl07:21:121
221562340,3chrt73-21kswapd011:25:590
221562340,3chrt73-21kswapd011:25:590
136382340,2sleep30-21swapper/310:31:003
136382340,2sleep30-21swapper/310:31:003
85262330,3chrt0-21swapper/009:46:040
85262330,3chrt0-21swapper/009:46:040
85262330,3chrt0-21swapper/009:46:040
32111993313,15cyclictest38150irq/55-eth010:45:590
32111993313,15cyclictest38150irq/55-eth010:45:590
32111993313,15cyclictest38150irq/55-eth010:45:590
136352330,2sleep20-21swapper/209:51:572
136352330,2sleep20-21swapper/209:51:572
136352330,2sleep20-21swapper/209:51:572
69602320,3chrt0-21swapper/109:44:321
69602320,3chrt0-21swapper/109:44:321
32111993217,10cyclictest12-21ksoftirqd/007:50:590
32111993217,10cyclictest12-21ksoftirqd/007:50:590
276272320,3sleep10-21swapper/112:10:581
276272320,3sleep10-21swapper/112:10:581
276272320,3sleep10-21swapper/112:10:581
23912320,2sleep30-21swapper/310:17:053
23912320,2sleep30-21swapper/310:17:053
116972320,3sleep30-21swapper/307:46:023
116972320,3sleep30-21swapper/307:46:023
116972320,3sleep30-21swapper/307:46:023
32113993114,6cyclictest27-21ksoftirqd/211:25:592
32113993114,6cyclictest27-21ksoftirqd/211:25:592
32113993114,6cyclictest27-21ksoftirqd/211:25:592
3211299315,7cyclictest21-21ksoftirqd/108:21:011
3211299315,7cyclictest21-21ksoftirqd/108:21:011
290592310,2sleep00-21swapper/010:51:070
290592310,2sleep00-21swapper/010:51:070
290592310,2sleep00-21swapper/010:51:070
326192300,4sleep30-21swapper/310:15:493
326192300,4sleep30-21swapper/310:15:493
161072300,2sleep20-21swapper/212:35:592
161072300,2sleep20-21swapper/212:35:592
39172290,2chrt0-21swapper/109:40:581
39172290,2chrt0-21swapper/109:40:581
32113992917,10cyclictest14306-21ssh11:53:332
32113992917,10cyclictest14306-21ssh11:53:332
32113992917,10cyclictest14306-21ssh11:53:332
320452294,16sleep10-21swapper/107:11:171
320452294,16sleep10-21swapper/107:11:171
304822290,3sleep10-21swapper/108:36:031
304822290,3sleep10-21swapper/108:36:031
24602290,4sleep00-21swapper/012:19:530
24602290,4sleep00-21swapper/012:19:530
182532290,2sleep118262-21sshd09:58:111
182532290,2sleep118262-21sshd09:58:111
182532290,2sleep118262-21sshd09:58:111
179832290,3sleep00-21swapper/012:37:090
179832290,3sleep00-21swapper/012:37:090
66592280,3sleep30-21swapper/311:44:193
66592280,3sleep30-21swapper/311:44:193
66592280,3sleep30-21swapper/311:44:193
3211299286,9cyclictest21-21ksoftirqd/109:30:051
3211299286,9cyclictest21-21ksoftirqd/109:30:051
3211299285,5cyclictest21-21ksoftirqd/108:11:021
3211299285,5cyclictest21-21ksoftirqd/108:11:021
3211299282,4cyclictest21-21ksoftirqd/111:16:101
3211299282,4cyclictest21-21ksoftirqd/111:16:101
3211299282,4cyclictest21-21ksoftirqd/111:16:101
293862280,3sleep10-21swapper/109:31:091
293862280,3sleep10-21swapper/109:31:091
293862280,3sleep10-21swapper/109:31:091
3211399271,6cyclictest73-21kswapd012:06:002
32113992715,10cyclictest22098-21ssh09:22:152
32113992715,10cyclictest22098-21ssh09:22:152
3211299274,6cyclictest21-21ksoftirqd/112:31:581
3211299274,6cyclictest21-21ksoftirqd/112:31:581
34452260,3chrt0-21swapper/308:51:003
34452260,3chrt0-21swapper/308:51:003
3211399266,9cyclictest131rcu_preempt09:30:392
3211399266,9cyclictest131rcu_preempt09:30:392
32113992612,7cyclictest31444-21rm09:34:472
32113992612,7cyclictest31444-21rm09:34:472
32113992612,7cyclictest31444-21rm09:34:472
3211299268,9cyclictest21-21ksoftirqd/112:17:101
3211299268,9cyclictest21-21ksoftirqd/112:17:101
3211299268,9cyclictest21-21ksoftirqd/111:46:541
3211299268,9cyclictest21-21ksoftirqd/111:46:541
3211299268,3cyclictest131rcu_preempt07:31:521
3211299268,3cyclictest131rcu_preempt07:31:521
3211299268,3cyclictest131rcu_preempt07:31:521
3211299267,10cyclictest21-21ksoftirqd/111:35:001
3211299266,7cyclictest21-21ksoftirqd/110:08:101
3211299266,7cyclictest21-21ksoftirqd/110:08:101
32112992618,5cyclictest201rcuc/109:05:181
32112992618,5cyclictest201rcuc/109:05:181
32112992618,5cyclictest201rcuc/109:05:181
3211199261,21cyclictest7642-21acpi11:45:570
3211199261,21cyclictest7642-21acpi11:45:570
3211199261,21cyclictest7642-21acpi11:45:570
101532260,1sleep110272-21cat10:26:091
101532260,1sleep110272-21cat10:26:091
97462250,2sleep30-21swapper/311:47:333
97462250,2sleep30-21swapper/311:47:333
46192250,3sleep14046-21/usr/sbin/munin07:26:071
46192250,3sleep14046-21/usr/sbin/munin07:26:071
3211399258,9cyclictest27-21ksoftirqd/210:41:002
3211399258,9cyclictest27-21ksoftirqd/210:41:002
3211399258,9cyclictest27-21ksoftirqd/210:41:002
32113992510,4cyclictest131rcu_preempt07:36:002
32113992510,4cyclictest131rcu_preempt07:36:002
32113992510,4cyclictest131rcu_preempt07:36:002
3211299259,6cyclictest21-21ksoftirqd/107:59:191
3211299259,6cyclictest21-21ksoftirqd/107:59:191
3211299257,11cyclictest21-21ksoftirqd/111:38:391
3211299257,11cyclictest21-21ksoftirqd/111:38:391
3211299256,9cyclictest21-21ksoftirqd/110:54:081
3211299256,9cyclictest21-21ksoftirqd/110:54:081
3211299256,9cyclictest21-21ksoftirqd/110:54:081
3211299256,11cyclictest21-21ksoftirqd/110:37:491
3211299256,11cyclictest21-21ksoftirqd/110:37:491
3211299256,11cyclictest21-21ksoftirqd/110:37:491
3211299255,10cyclictest21-21ksoftirqd/111:43:341
3211299255,10cyclictest21-21ksoftirqd/111:43:341
3211299255,10cyclictest21-21ksoftirqd/111:43:341
3211299254,9cyclictest21-21ksoftirqd/112:01:311
3211299254,9cyclictest21-21ksoftirqd/112:01:311
3211299254,9cyclictest21-21ksoftirqd/112:01:311
3211299252,4cyclictest21-21ksoftirqd/108:06:011
3211299252,4cyclictest21-21ksoftirqd/108:06:011
32112992519,4cyclictest201rcuc/110:02:351
32112992519,4cyclictest201rcuc/110:02:351
32112992519,4cyclictest201rcuc/110:02:351
32113992411,5cyclictest0-21swapper/212:00:292
32113992411,5cyclictest0-21swapper/212:00:292
32113992411,5cyclictest0-21swapper/212:00:292
3211299248,10cyclictest21-21ksoftirqd/109:47:221
3211299248,10cyclictest21-21ksoftirqd/109:47:221
3211299248,10cyclictest21-21ksoftirqd/109:47:221
3211299247,9cyclictest21-21ksoftirqd/109:25:331
3211299247,9cyclictest21-21ksoftirqd/109:25:331
3211299247,6cyclictest21-21ksoftirqd/111:08:131
3211299247,6cyclictest21-21ksoftirqd/111:08:131
3211299247,6cyclictest21-21ksoftirqd/111:08:131
3211299246,8cyclictest21-21ksoftirqd/109:11:131
3211299246,8cyclictest21-21ksoftirqd/109:11:131
3211299246,10cyclictest21-21ksoftirqd/110:31:461
3211299246,10cyclictest21-21ksoftirqd/110:31:461
32112992417,5cyclictest201rcuc/108:42:311
32112992417,5cyclictest201rcuc/108:42:311
32112992417,5cyclictest201rcuc/108:42:311
32112992411,5cyclictest21-21ksoftirqd/110:41:191
32112992411,5cyclictest21-21ksoftirqd/110:41:191
32112992411,5cyclictest21-21ksoftirqd/110:41:191
32112992411,3cyclictest131rcu_preempt11:02:331
32112992411,3cyclictest131rcu_preempt11:02:331
32112992411,3cyclictest131rcu_preempt11:02:331
3211199243,2cyclictest131rcu_preempt07:41:000
3211199243,2cyclictest131rcu_preempt07:41:000
143702240,3sleep10-21swapper/107:51:101
143702240,3sleep10-21swapper/107:51:101
32113992312,5cyclictest10366-21diskmemload12:05:442
32113992312,5cyclictest10366-21diskmemload12:05:442
3211399231,16cyclictest11642-21ssh12:31:012
3211399231,16cyclictest11642-21ssh12:31:012
32113992310,5cyclictest131rcu_preempt09:17:072
32113992310,5cyclictest131rcu_preempt09:17:072
32113992310,4cyclictest131rcu_preempt08:05:512
32113992310,4cyclictest131rcu_preempt08:05:512
3211299238,5cyclictest21-21ksoftirqd/108:32:311
3211299238,5cyclictest21-21ksoftirqd/108:32:311
3211299236,8cyclictest21-21ksoftirqd/111:28:021
3211299236,8cyclictest21-21ksoftirqd/111:28:021
3211199233,10cyclictest18322-21fschecks_time11:21:000
3211199233,10cyclictest18322-21fschecks_time11:21:000
32111992311,9cyclictest2472-21sh10:17:110
32111992311,9cyclictest2472-21sh10:17:110
290632230,2sleep30-21swapper/311:32:583
248052230,3sleep30-21swapper/309:26:053
248052230,3sleep30-21swapper/309:26:053
3211399229,4cyclictest27-21ksoftirqd/212:20:382
3211399229,4cyclictest27-21ksoftirqd/212:20:382
3211399229,3cyclictest27-21ksoftirqd/209:57:322
3211399229,3cyclictest27-21ksoftirqd/209:57:322
3211399229,3cyclictest27-21ksoftirqd/209:57:322
3211399223,8cyclictest27-21ksoftirqd/211:32:552
32113992216,4cyclictest27-21ksoftirqd/208:41:002
32113992216,4cyclictest27-21ksoftirqd/208:41:002
32113992216,4cyclictest27-21ksoftirqd/208:41:002
32113992215,5cyclictest7801-21find09:01:102
32113992215,5cyclictest7801-21find09:01:102
32113992215,5cyclictest7801-21find09:01:102
32113992215,5cyclictest22042-21ps10:41:072
32113992215,5cyclictest22042-21ps10:41:072
32113992215,5cyclictest22042-21ps10:41:072
32113992213,6cyclictest26748-21diskmemload10:09:192
32113992213,6cyclictest26748-21diskmemload10:09:192
3211399221,19cyclictest17038-21ls10:35:482
3211399221,19cyclictest17038-21ls10:35:482
3211399221,18cyclictest6014-21ls07:31:002
3211399221,18cyclictest6014-21ls07:31:002
3211399221,18cyclictest6014-21ls07:31:002
32113992211,5cyclictest10366-21diskmemload11:13:072
32113992211,5cyclictest10366-21diskmemload11:13:072
32113992211,5cyclictest10366-21diskmemload11:13:072
32113992211,5cyclictest10366-21diskmemload11:13:072
32113992211,5cyclictest0-21swapper/211:39:072
32113992211,5cyclictest0-21swapper/211:39:072
3211399221,14cyclictest3097-21ls07:21:102
3211399221,14cyclictest3097-21ls07:21:102
3211399221,14cyclictest3097-21ls07:21:102
3211299224,6cyclictest21-21ksoftirqd/108:01:011
3211299224,6cyclictest21-21ksoftirqd/108:01:011
32112992215,4cyclictest201rcuc/108:52:001
32112992215,4cyclictest201rcuc/108:52:001
3211199227,6cyclictest28764-21ntpq10:11:050
3211199227,6cyclictest28764-21ntpq10:11:050
32111992215,4cyclictest10586-21ssh09:10:550
32111992215,4cyclictest10586-21ssh09:10:550
32111992214,5cyclictest19631-21ssh10:38:080
32111992214,5cyclictest19631-21ssh10:38:080
32111992214,5cyclictest19631-21ssh10:38:080
32111992213,6cyclictest5364-21irqstats08:56:030
32111992213,6cyclictest5364-21irqstats08:56:030
32111992213,6cyclictest5364-21irqstats08:56:030
3211199221,11cyclictest14265-21cut11:16:000
3211199221,11cyclictest14265-21cut11:16:000
3211199221,11cyclictest10426-21latency_hist11:11:000
3211199221,11cyclictest10426-21latency_hist11:11:000
3211199221,11cyclictest10426-21latency_hist11:11:000
152612220,3chrt0-21swapper/009:55:040
152612220,3chrt0-21swapper/009:55:040
152612220,3chrt0-21swapper/009:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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