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2026-07-09 - 03:07
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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 Thu Jul 09, 2026 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
438621440,3sleep10-21swapper/122:17:331
438621440,3sleep10-21swapper/122:17:331
438621440,3sleep10-21swapper/122:17:331
82821340,2sleep10-21swapper/120:36:001
82821340,2sleep10-21swapper/120:36:001
1213821290,3sleep30-21swapper/323:06:143
1213821290,3sleep30-21swapper/323:06:143
1473321140,2sleep30-21swapper/322:31:013
1473321140,2sleep30-21swapper/322:31:013
1473321140,2sleep30-21swapper/322:31:013
915021130,2sleep00-21swapper/019:31:010
3051421110,2sleep10-21swapper/121:31:021
3051421110,2sleep10-21swapper/121:31:021
3051421110,2sleep10-21swapper/121:31:021
246121070,2sleep30-21swapper/320:40:573
246121070,2sleep30-21swapper/320:40:573
246121070,2sleep30-21swapper/320:40:573
2509821050,3sleep20-21swapper/222:43:582
2509821050,3sleep20-21swapper/222:43:582
1933521050,3sleep30-21swapper/323:53:213
1933521050,3sleep30-21swapper/323:53:213
206032960,3chrt0-21swapper/322:38:173
206032960,3chrt0-21swapper/322:38:173
80452920,5sleep28043-21sshd00:19:002
80452920,5sleep28043-21sshd00:19:002
170332840,3chrt17034-21fschecks_count23:50:582
47092830,3sleep00-21swapper/022:57:550
47092830,3sleep00-21swapper/022:57:550
47092830,3sleep00-21swapper/022:57:550
109812830,3sleep30-21swapper/323:43:203
109812830,3sleep30-21swapper/323:43:203
112262820,3chrt0-21swapper/322:26:073
112262820,3chrt0-21swapper/322:26:073
259832780,3sleep20-21swapper/222:04:562
259832780,3sleep20-21swapper/222:04:562
242462780,3sleep30-21swapper/322:01:433
242462780,3sleep30-21swapper/322:01:433
234212740,4chrt0-21swapper/023:20:580
234212740,4chrt0-21swapper/023:20:580
72852700,3sleep30-21swapper/321:41:293
72852700,3sleep30-21swapper/321:41:293
312752690,2sleep0151rcuc/023:30:470
312752690,2sleep0151rcuc/023:30:470
309212690,3sleep00-21swapper/020:30:570
309212690,3sleep00-21swapper/020:30:570
120082670,2chrt0-21swapper/223:06:092
120082670,2chrt0-21swapper/223:06:092
243642660,3chrt0-21swapper/200:36:562
243642660,3chrt0-21swapper/200:36:562
243642660,3chrt0-21swapper/200:36:562
207422660,3sleep20-21swapper/200:33:472
207422660,3sleep20-21swapper/200:33:472
322772640,3sleep00-21swapper/000:09:210
322772640,3sleep00-21swapper/000:09:210
237722640,3sleep30-21swapper/323:58:513
237722640,3sleep30-21swapper/323:58:513
237722640,3sleep30-21swapper/323:58:513
257462610,3chrt0-21swapper/300:38:543
257462610,3chrt0-21swapper/300:38:543
257462610,3chrt0-21swapper/300:38:543
170712580,4sleep20-21swapper/221:53:502
170712580,4sleep20-21swapper/221:53:502
170712580,4sleep20-21swapper/221:53:502
120182580,4sleep30-21swapper/321:47:203
120182580,4sleep30-21swapper/321:47:203
120182580,4sleep30-21swapper/321:47:203
213252570,3chrt0-21swapper/221:58:572
213252570,3chrt0-21swapper/221:58:572
17882560,2sleep21859-21tail19:11:022
17882560,2sleep21859-21tail19:11:022
17882560,2sleep21859-21tail19:11:022
55102530,4sleep20-21swapper/223:37:082
150552530,2sleep10-21swapper/100:26:301
150552530,2sleep10-21swapper/100:26:301
179192520,3sleep30-21swapper/300:30:593
61272510,3chrt0-21swapper/323:37:573
283842510,4chrt0-21swapper/321:28:313
283842510,4chrt0-21swapper/321:28:313
103732510,3sleep20-21swapper/221:01:052
103732510,3sleep20-21swapper/221:01:052
103732510,3sleep20-21swapper/221:01:052
316692500,3sleep30-21swapper/321:32:013
316692500,3sleep30-21swapper/321:32:013
316692500,3sleep30-21swapper/321:32:013
23962500,1sleep22410-21/usr/sbin/munin22:55:572
23962500,1sleep22410-21/usr/sbin/munin22:55:572
23962500,1sleep22410-21/usr/sbin/munin22:55:572
35642490,3chrt0-21swapper/322:56:093
35642490,3chrt0-21swapper/322:56:093
35642490,3chrt0-21swapper/322:56:093
314232490,3chrt0-21swapper/222:11:032
314232490,3chrt0-21swapper/222:11:032
314232490,3chrt0-21swapper/222:11:032
18992490,3sleep01075-21ls19:11:050
18992490,3sleep01075-21ls19:11:050
18992490,3sleep01075-21ls19:11:050
136972470,3chrt0-21swapper/223:46:082
136972470,3chrt0-21swapper/223:46:082
90032440,4sleep20-21swapper/223:03:032
90032440,4sleep20-21swapper/223:03:032
90032440,4sleep20-21swapper/223:03:032
52382440,3chrt0-21swapper/322:19:113
52382440,3chrt0-21swapper/322:19:113
52382440,3chrt0-21swapper/322:19:113
298572440,3sleep30-21swapper/323:28:173
298572440,3sleep30-21swapper/323:28:173
139482440,3chrt0-21swapper/022:30:380
139482440,3chrt0-21swapper/022:30:380
221762410,4sleep30-21swapper/323:19:203
221762410,4sleep30-21swapper/323:19:203
169972410,3sleep20-21swapper/222:33:572
169972410,3sleep20-21swapper/222:33:572
169972410,3sleep20-21swapper/222:33:572
259599391,29cyclictest25296-21expr00:00:581
259599391,29cyclictest25296-21expr00:00:581
259599391,29cyclictest25296-21expr00:00:581
210422350,3sleep00-21swapper/021:58:270
210422350,3sleep00-21swapper/021:58:270
102532350,2sleep210418-21cat21:46:002
102532350,2sleep210418-21cat21:46:002
102532350,2sleep210418-21cat21:46:002
265822340,4sleep30-21swapper/300:01:323
265822340,4sleep30-21swapper/300:01:323
248322340,9chrt33-21ksoftirqd/322:43:313
248322340,9chrt33-21ksoftirqd/322:43:313
287622330,2sleep128772-21ssh00:05:291
287622330,2sleep128772-21ssh00:05:291
243012330,2sleep024310-21ssh22:42:330
243012330,2sleep024310-21ssh22:42:330
2594993219,3cyclictest12-21ksoftirqd/000:01:200
2594993219,3cyclictest12-21ksoftirqd/000:01:200
241682320,2sleep30-21swapper/320:11:033
241682320,2sleep30-21swapper/320:11:033
210022320,3sleep20-21swapper/223:17:142
210022320,3sleep20-21swapper/223:17:142
156592300,2sleep015668-21ssh00:27:390
156592300,2sleep015668-21ssh00:27:390
267602290,2sleep026970-21/usr/sbin/munin21:26:080
267602290,2sleep026970-21/usr/sbin/munin21:26:080
264792290,2sleep226489-21ssh23:24:432
264792290,2sleep226489-21ssh23:24:432
241192290,4sleep30-21swapper/321:23:133
241192290,4sleep30-21swapper/321:23:133
241192290,4sleep30-21swapper/321:23:133
128582290,2sleep20-21swapper/222:28:352
128582290,2sleep20-21swapper/222:28:352
35002280,2sleep23510-21sh00:13:182
35002280,2sleep23510-21sh00:13:182
35002280,2sleep23510-21sh00:13:182
34252280,3sleep10-21swapper/121:37:011
34252280,3sleep10-21swapper/121:37:011
32352280,3sleep20-21swapper/223:35:472
32352280,3sleep20-21swapper/223:35:472
259699281,19cyclictest26262-21cat00:01:102
259699281,19cyclictest26262-21cat00:01:102
54852270,2sleep05484-21sh21:40:460
54852270,2sleep05484-21sh21:40:460
301242270,3sleep30-21swapper/300:06:083
301242270,3sleep30-21swapper/300:06:083
284902270,3chrt0-21swapper/221:28:422
284902270,3chrt0-21swapper/221:28:422
259499271,21cyclictest24978-40runlevel00:00:510
259499271,21cyclictest24978-40runlevel00:00:510
259499271,21cyclictest24978-40runlevel00:00:510
62652260,3sleep26263-21ssh21:41:002
62652260,3sleep26263-21ssh21:41:002
39902260,3sleep20-21swapper/222:16:452
39902260,3sleep20-21swapper/222:16:452
39902260,3sleep20-21swapper/222:16:452
2596992616,7cyclictest24915-40mandb00:00:552
2596992616,7cyclictest24915-40mandb00:00:552
2596992616,7cyclictest24915-40mandb00:00:552
259499261,5cyclictest0-21swapper/021:55:570
259499261,5cyclictest0-21swapper/021:55:570
259499261,5cyclictest0-21swapper/021:55:570
185752260,3sleep30-21swapper/300:31:073
185752260,3sleep30-21swapper/300:31:073
99712250,4sleep30-21swapper/322:25:393
99712250,4sleep30-21swapper/322:25:393
99712250,4sleep30-21swapper/322:25:393
99712250,4sleep30-21swapper/322:25:393
29762250,3sleep20-21swapper/220:41:042
29762250,3sleep20-21swapper/220:41:042
29762250,3sleep20-21swapper/220:41:042
2596992516,7cyclictest8677-21ssh22:23:072
2596992516,7cyclictest8677-21ssh22:23:072
2596992516,7cyclictest8677-21ssh22:23:072
2596992516,7cyclictest8677-21ssh22:23:072
259499253,3cyclictest131rcu_preempt22:55:590
2594992515,2cyclictest12-21ksoftirqd/023:46:000
2594992515,2cyclictest12-21ksoftirqd/023:46:000
2594992515,2cyclictest12-21ksoftirqd/023:46:000
259499251,4cyclictest131rcu_preempt20:41:090
259499251,4cyclictest131rcu_preempt20:41:090
259499251,4cyclictest131rcu_preempt20:41:090
190262250,3chrt0-21swapper/321:56:003
190262250,3chrt0-21swapper/321:56:003
107342250,3sleep00-21swapper/019:35:550
107342250,3sleep00-21swapper/019:35:550
259699241,19cyclictest23476-21ls20:10:532
259699241,19cyclictest23476-21ls20:10:532
259599241,10cyclictest0-21swapper/120:25:541
259599241,10cyclictest0-21swapper/120:25:541
259499247,5cyclictest12-21ksoftirqd/021:35:520
259499247,5cyclictest12-21ksoftirqd/021:35:520
259499247,5cyclictest12-21ksoftirqd/021:35:520
2594992416,6cyclictest832-21systemd-journal19:22:510
2594992416,6cyclictest832-21systemd-journal19:22:510
2594992416,6cyclictest832-21systemd-journal19:22:510
25582241,17sleep30-21swapper/319:11:323
25582241,17sleep30-21swapper/319:11:323
25582241,17sleep30-21swapper/319:11:323
148372240,2sleep00-21swapper/021:11:200
148372240,2sleep00-21swapper/021:11:200
148372240,2sleep00-21swapper/021:11:200
68342230,3sleep26811-21ssh23:00:582
68342230,3sleep26811-21ssh23:00:582
306582230,3chrt0-21swapper/322:10:513
306582230,3chrt0-21swapper/322:10:513
306582230,3chrt0-21swapper/322:10:513
2596992314,5cyclictest27-21ksoftirqd/223:26:042
2596992314,5cyclictest27-21ksoftirqd/223:26:042
259699231,19cyclictest1333-21latency_hist21:35:522
259699231,19cyclictest1333-21latency_hist21:35:522
259699231,19cyclictest1333-21latency_hist21:35:522
2596992311,6cyclictest0-21swapper/221:20:552
2596992311,6cyclictest0-21swapper/221:20:552
259599231,9cyclictest0-21swapper/122:29:391
259599231,9cyclictest0-21swapper/122:29:391
2595992314,7cyclictest25391-21ssh22:44:221
2595992314,7cyclictest25391-21ssh22:44:221
259499239,8cyclictest0-21swapper/022:14:410
259499239,8cyclictest0-21swapper/022:14:410
259499239,8cyclictest0-21swapper/022:14:410
259499232,3cyclictest131rcu_preempt22:11:010
259499231,4cyclictest131rcu_preempt22:46:220
259499231,4cyclictest131rcu_preempt22:46:220
2594992311,6cyclictest0-21swapper/023:43:480
2594992311,6cyclictest0-21swapper/023:43:480
2596992215,5cyclictest20446-21gzip20:01:042
2596992215,5cyclictest20446-21gzip20:01:042
2596992213,6cyclictest8719-21wc19:30:532
2596992213,6cyclictest8719-21wc19:30:532
259699221,10cyclictest31512-21needreboot20:31:032
259699221,10cyclictest31512-21needreboot20:31:032
259599222,8cyclictest12219-21latency_hist19:40:451
259599222,8cyclictest12219-21latency_hist19:40:451
2595992215,5cyclictest28155-21ps23:26:031
2595992215,5cyclictest28155-21ps23:26:031
259599221,19cyclictest24224-21ls23:21:071
259599221,19cyclictest24224-21ls23:21:071
259599221,10cyclictest5236-21fschecks_count19:20:571
259599221,10cyclictest5236-21fschecks_count19:20:571
259599221,10cyclictest5236-21fschecks_count19:20:571
259599220,9cyclictest9458-21ssh00:20:581
259599220,9cyclictest9458-21ssh00:20:581
259599220,18cyclictest22459-21ssh00:35:561
259599220,18cyclictest22459-21ssh00:35:561
259599220,18cyclictest22459-21ssh00:35:561
259499229,10cyclictest38150irq/55-eth023:03:140
259499229,10cyclictest38150irq/55-eth023:03:140
259499229,10cyclictest38150irq/55-eth023:03:140
259499227,6cyclictest817-21runrttasks23:25:370
259499227,6cyclictest817-21runrttasks23:25:370
259499223,7cyclictest10548-21ssh00:21:100
259499223,7cyclictest10548-21ssh00:21:100
259499223,7cyclictest10548-21ssh00:21:100
259499222,4cyclictest131rcu_preempt23:31:000
259499222,4cyclictest131rcu_preempt23:31:000
259499222,4cyclictest131rcu_preempt21:10:570
259499222,4cyclictest131rcu_preempt21:10:570
259499222,4cyclictest131rcu_preempt21:10:570
259499222,4cyclictest131rcu_preempt21:10:570
259499221,6cyclictest30670-21taskset22:10:520
259499221,6cyclictest30670-21taskset22:10:520
2594992216,4cyclictest15599-21ssh23:11:020
2594992216,4cyclictest15599-21ssh23:11:020
2594992215,4cyclictest18021-21ssh00:30:590
2594992215,4cyclictest18021-21ssh00:30:590
259499221,4cyclictest131rcu_preempt00:16:030
259499221,4cyclictest131rcu_preempt00:16:030
259499221,3cyclictest131rcu_preempt22:05:580
259499221,3cyclictest131rcu_preempt22:05:580
259499221,3cyclictest131rcu_preempt21:43:460
259499221,3cyclictest131rcu_preempt21:43:460
259499221,3cyclictest131rcu_preempt00:38:540
259499221,3cyclictest131rcu_preempt00:38:540
259499221,3cyclictest131rcu_preempt00:38:540
259499220,2cyclictest131rcu_preempt22:40:580
25292224,10sleep11075-21ls19:11:141
25292224,10sleep11075-21ls19:11:141
25292224,10sleep11075-21ls19:11:141
245492220,3sleep00-21swapper/020:11:080
245492220,3sleep00-21swapper/020:11:080
193512220,3sleep30-21swapper/321:17:063
193512220,3sleep30-21swapper/321:17:063
113662220,3chrt0-21swapper/200:22:262
113662220,3chrt0-21swapper/200:22:262
113662220,3chrt0-21swapper/200:22:262
259699219,10cyclictest27687-21switchtime22:06:072
259699219,10cyclictest27687-21switchtime22:06:072
259699219,10cyclictest27687-21switchtime22:06:072
259699211,15cyclictest27197-21ntp_states22:46:032
259699211,15cyclictest27197-21ntp_states22:46:032
259699211,10cyclictest13151-21diskmemload21:25:572
259699211,10cyclictest13151-21diskmemload21:25:572
2596992110,8cyclictest832-21systemd-journal20:25:452
2596992110,8cyclictest832-21systemd-journal20:25:452
259599211,7cyclictest16335-21fschecks_count19:50:581
259599211,3cyclictest0-21swapper/100:11:141
259599211,3cyclictest0-21swapper/100:11:141
259599211,3cyclictest0-21swapper/100:11:141
2595992113,5cyclictest0-21swapper/100:06:031
2595992113,5cyclictest0-21swapper/100:06:031
259599211,11cyclictest5366-21ssh23:36:561
259599211,11cyclictest17241-21seq23:12:581
259599211,11cyclictest17241-21seq23:12:581
259499219,4cyclictest38250irq/56-eth022:51:000
259499219,4cyclictest38250irq/56-eth022:51:000
259499216,3cyclictest131rcu_preempt22:34:590
259499216,3cyclictest131rcu_preempt22:34:590
259499216,3cyclictest131rcu_preempt22:34:590
259499212,8cyclictest466-21fschecks_count20:35:580
259499212,8cyclictest466-21fschecks_count20:35:580
259499211,8cyclictest18908-21ntp_states22:36:040
259499211,6cyclictest18033-21ssh21:16:010
259499211,6cyclictest18033-21ssh21:16:010
259499211,6cyclictest16469-21idleruntime19:50:580
259499211,6cyclictest16469-21idleruntime19:50:580
259499211,6cyclictest16469-21idleruntime19:50:580
259499211,4cyclictest131rcu_preempt23:53:000
259499211,4cyclictest131rcu_preempt23:53:000
259499211,3cyclictest131rcu_preempt21:50:570
259499211,3cyclictest131rcu_preempt21:50:570
259499211,3cyclictest131rcu_preempt21:50:570
259499211,3cyclictest131rcu_preempt20:20:580
259499211,3cyclictest131rcu_preempt20:20:580
2594992113,5cyclictest6559-21uname20:51:020
2594992113,5cyclictest6559-21uname20:51:020
259499211,2cyclictest131rcu_preempt19:16:080
259499211,2cyclictest131rcu_preempt19:16:080
2594992112,7cyclictest7557-21cron20:55:580
2594992112,7cyclictest7557-21cron20:55:580
259499211,17cyclictest1697-21ssh00:11:040
259499211,17cyclictest1697-21ssh00:11:040
259499211,17cyclictest1697-21ssh00:11:040
259499211,14cyclictest0-21swapper/023:40:470
259499211,11cyclictest22829-21grep20:06:090
259499211,11cyclictest22829-21grep20:06:090
259499210,2cyclictest131rcu_preempt20:01:000
259499210,2cyclictest131rcu_preempt20:01:000
44472201,4sleep10-21swapper/119:16:481
44472201,4sleep10-21swapper/119:16:481
259799201,14cyclictest0-21swapper/322:51:003
259799201,14cyclictest0-21swapper/322:51:003
259799201,14cyclictest0-21swapper/322:51:003
2596992013,5cyclictest0-21swapper/223:11:032
2596992013,5cyclictest0-21swapper/223:11:032
2596992013,4cyclictest29626-21uname00:06:002
2596992013,4cyclictest29626-21uname00:06:002
259699201,15cyclictest12984-21ls19:41:012
259699201,15cyclictest12984-21ls19:41:012
259699201,15cyclictest12984-21ls19:41:012
259699201,14cyclictest25783-21latency20:16:002
259699201,14cyclictest25783-21latency20:16:002
259699201,10cyclictest30712-21cat20:30:462
259699201,10cyclictest30712-21cat20:30:462
259699201,10cyclictest30712-21cat20:30:462
259599209,3cyclictest131rcu_preempt22:56:111
259599209,3cyclictest131rcu_preempt22:56:111
259599209,3cyclictest131rcu_preempt22:56:111
259599201,9cyclictest0-21swapper/122:33:501
259599201,9cyclictest0-21swapper/122:33:501
259599201,9cyclictest0-21swapper/122:33:501
259599201,9cyclictest0-21swapper/121:46:321
259599201,9cyclictest0-21swapper/121:46:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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