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2026-07-04 - 06:42
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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 04, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1503721320,3sleep30-21swapper/323:11:033
1661421300,2sleep10-21swapper/122:35:441
1661421300,2sleep10-21swapper/122:35:441
1455721250,2sleep114555-21df_inode00:25:531
1455721250,2sleep114555-21df_inode00:25:531
1938021240,2sleep00-21swapper/020:06:000
1938021240,2sleep00-21swapper/020:06:000
2758021210,3sleep30-21swapper/320:30:433
2758021210,3sleep30-21swapper/320:30:433
265621110,3chrt0-21swapper/322:56:483
265621110,3chrt0-21swapper/322:56:483
237292860,3sleep10-21swapper/100:36:021
237292860,3sleep10-21swapper/100:36:021
237292860,3sleep10-21swapper/100:36:021
265092840,4chrt0-21swapper/300:03:203
265092840,4chrt0-21swapper/300:03:203
234152840,3sleep30-21swapper/320:16:043
234152840,3sleep30-21swapper/320:16:043
88252830,3sleep30-21swapper/321:46:033
88252830,3sleep30-21swapper/321:46:033
88252830,3sleep30-21swapper/321:46:033
145742720,2chrt0-21swapper/123:48:431
145742720,2chrt0-21swapper/123:48:431
145742720,2chrt0-21swapper/123:48:431
53252700,2sleep25467-21fschecks_time00:15:552
100272700,3sleep30-21swapper/321:10:463
100272700,3sleep30-21swapper/321:10:463
123742680,3sleep30-21swapper/321:51:013
123742680,3sleep30-21swapper/321:51:013
156992650,3sleep30-21swapper/322:34:103
156992650,3sleep30-21swapper/322:34:103
321932640,4sleep30-21swapper/322:54:073
321932640,4sleep30-21swapper/322:54:073
108332640,3chrt0-21swapper/200:20:562
108332640,3chrt0-21swapper/200:20:562
108332640,3chrt0-21swapper/200:20:562
106342640,4sleep30-21swapper/323:44:003
106342640,4sleep30-21swapper/323:44:003
201322630,4sleep30-21swapper/322:39:443
201322630,4sleep30-21swapper/322:39:443
257222620,3sleep00-21swapper/021:26:260
257222620,3sleep00-21swapper/021:26:260
257222620,3sleep00-21swapper/021:26:260
168892620,3sleep30-21swapper/323:51:033
168892620,3sleep30-21swapper/323:51:033
168892620,3sleep30-21swapper/323:51:033
165022620,3chrt0-21swapper/000:27:290
165022620,3chrt0-21swapper/000:27:290
165022620,3chrt0-21swapper/000:27:290
150452590,2chrt14403-21/usr/sbin/munin00:25:571
150452590,2chrt14403-21/usr/sbin/munin00:25:571
150452590,2chrt14403-21/usr/sbin/munin00:25:571
213432580,6sleep333-21ksoftirqd/322:40:573
213432580,6sleep333-21ksoftirqd/322:40:573
17492570,2sleep20-21swapper/223:32:502
17492570,2sleep20-21swapper/223:32:502
176782560,2sleep20-21swapper/222:36:012
176782560,2sleep20-21swapper/222:36:012
117262560,3chrt0-21swapper/223:08:092
117262560,3chrt0-21swapper/223:08:092
220212540,4chrt0-21swapper/122:02:451
220212540,4chrt0-21swapper/122:02:451
193712540,2sleep19911-21diskmemload21:20:011
165262530,2sleep216593-21ntpq23:50:582
165262530,2sleep216593-21ntpq23:50:582
165262530,2sleep216593-21ntpq23:50:582
151982510,9sleep227-21ksoftirqd/223:11:062
31988995035,10cyclictest23804-21latency_hist00:00:432
31988995035,10cyclictest23804-21latency_hist00:00:432
31988995035,10cyclictest23804-21latency_hist00:00:432
273972500,3sleep20-21swapper/221:29:462
273972500,3sleep20-21swapper/221:29:462
273972500,3sleep20-21swapper/221:29:462
54592490,3sleep30-21swapper/321:42:013
54592490,3sleep30-21swapper/321:42:013
54592490,3sleep30-21swapper/321:42:013
205602490,2sleep00-21swapper/000:32:190
205602490,2sleep00-21swapper/000:32:190
205602490,2sleep00-21swapper/000:32:190
91182480,3sleep10-21swapper/123:41:161
91182480,3sleep10-21swapper/123:41:161
3198499483,10cyclictest24810-21ntp_states00:01:010
3198499483,10cyclictest24810-21ntp_states00:01:010
31984994816,23cyclictest23932-21ssh00:00:450
31984994816,23cyclictest23932-21ssh00:00:450
31984994816,23cyclictest23932-21ssh00:00:450
299012480,4sleep029898-21sh00:07:030
299012480,4sleep029898-21sh00:07:030
39922470,3chrt0-21swapper/121:40:541
39922470,3chrt0-21swapper/121:40:541
39922470,3chrt0-21swapper/121:40:541
247292470,3sleep20-21swapper/221:25:562
247292470,3sleep20-21swapper/221:25:562
319382460,3sleep130496-21ls19:11:171
319382460,3sleep130496-21ls19:11:171
303952460,3sleep10-21swapper/122:51:041
303952460,3sleep10-21swapper/122:51:041
192562460,2sleep00-21swapper/023:54:530
192562460,2sleep00-21swapper/023:54:530
192562460,2sleep00-21swapper/023:54:530
256922450,5sleep223859-40mandb00:01:472
256922450,5sleep223859-40mandb00:01:472
24822450,3sleep30-21swapper/300:12:213
137842450,4chrt0-21swapper/219:50:592
137842450,4chrt0-21swapper/219:50:592
12402430,3chrt0-21swapper/221:36:332
12402430,3chrt0-21swapper/221:36:332
12402430,3chrt0-21swapper/221:36:332
3198599423,28cyclictest24512-21interrupts00:00:561
3198599423,28cyclictest24512-21interrupts00:00:561
238922410,4sleep20-21swapper/222:05:512
238922410,4sleep20-21swapper/222:05:512
160822410,3sleep231983-21cyclictest23:50:532
160822410,3sleep231983-21cyclictest23:50:532
297902400,3sleep20-21swapper/222:50:572
297902400,3sleep20-21swapper/222:50:572
66682390,3sleep30-21swapper/323:39:173
66682390,3sleep30-21swapper/323:39:173
3198499391,19cyclictest5427-21cut23:00:530
3198599384,27cyclictest24201-21df_inode00:00:531
319392385,23sleep20-21swapper/219:11:182
319392385,23sleep20-21swapper/219:11:182
222942380,4sleep30-21swapper/300:35:283
222942380,4sleep30-21swapper/300:35:283
222942380,4sleep30-21swapper/300:35:283
22232380,6sleep22217-21grep19:20:532
22232380,6sleep22217-21grep19:20:532
134152370,3sleep30-21swapper/323:10:313
134152370,3sleep30-21swapper/323:10:313
81192360,3sleep20-21swapper/219:35:562
81192360,3sleep20-21swapper/219:35:562
81192360,3sleep20-21swapper/219:35:562
274572360,3chrt0-21swapper/122:10:161
274572360,3chrt0-21swapper/122:10:161
274572360,3chrt0-21swapper/122:10:161
267892360,3sleep30-21swapper/321:28:353
267892360,3sleep30-21swapper/321:28:353
267892360,3sleep30-21swapper/321:28:353
179882360,3sleep20-21swapper/200:30:082
179882360,3sleep20-21swapper/200:30:082
179882360,3sleep20-21swapper/200:30:082
31782350,4sleep10-21swapper/122:19:291
226092350,3sleep30-21swapper/321:23:083
226092350,3sleep30-21swapper/321:23:083
226092350,3sleep30-21swapper/321:23:083
85372340,1sleep08755-21uptime19:36:030
85372340,1sleep08755-21uptime19:36:030
85372340,1sleep08755-21uptime19:36:030
67902340,3sleep20-21swapper/219:31:022
67902340,3sleep20-21swapper/219:31:022
73092330,2sleep30-21swapper/300:17:113
281642330,3sleep30-21swapper/322:49:213
281642330,3sleep30-21swapper/322:49:213
281642330,3sleep30-21swapper/322:49:213
250152320,2sleep30-21swapper/323:21:043
250152320,2sleep30-21swapper/323:21:043
250152320,2sleep30-21swapper/323:21:043
100642320,3sleep00-21swapper/000:20:460
3127623014,4sleep00-21swapper/019:11:000
3127623014,4sleep00-21swapper/019:11:000
300102300,3chrt0-21swapper/120:35:551
300102300,3chrt0-21swapper/120:35:551
240522300,2sleep124055-21tr23:20:541
240522300,2sleep124055-21tr23:20:541
240522300,2sleep124055-21tr23:20:541
70932290,3sleep20-21swapper/222:23:362
70932290,3sleep20-21swapper/222:23:362
3198599294,18cyclictest25655-21rm00:01:411
3198599294,18cyclictest25655-21rm00:01:411
311682290,2sleep131177-21ssh22:14:311
311682290,2sleep131177-21ssh22:14:311
211722290,2sleep021182-21diskmemload22:01:120
211722290,2sleep021182-21diskmemload22:01:120
135712290,2sleep013580-21ssh23:46:550
135712290,2sleep013580-21ssh23:46:550
135712290,2sleep013580-21ssh23:46:550
64092280,4sleep30-21swapper/323:01:023
64092280,4sleep30-21swapper/323:01:023
5092280,9sleep121-21ksoftirqd/100:10:541
18802280,3chrt0-21swapper/123:33:041
18802280,3chrt0-21swapper/123:33:041
96092270,2sleep00-21swapper/023:42:030
96092270,2sleep00-21swapper/023:42:030
3198899271,3cyclictest510-21sh00:10:542
36332260,4sleep10-21swapper/120:51:021
36332260,4sleep10-21swapper/120:51:021
36332260,4sleep10-21swapper/120:51:021
314022261,16sleep30-21swapper/319:11:033
314022261,16sleep30-21swapper/319:11:033
173962260,4sleep30-21swapper/321:17:173
62312250,2sleep3321rcuc/319:30:553
62312250,2sleep3321rcuc/319:30:553
31985992515,8cyclictest29958-21ssh23:27:401
31985992515,8cyclictest29958-21ssh23:27:401
144102250,2sleep00-21swapper/000:25:520
144102250,2sleep00-21swapper/000:25:520
144102250,2sleep00-21swapper/000:25:520
70242240,2sleep00-21swapper/021:00:580
70242240,2sleep00-21swapper/021:00:580
31988992419,3cyclictest18592-1kworker/2:0H19:20:412
31988992419,3cyclictest18592-1kworker/2:0H19:20:412
3198599241,19cyclictest29512-21ls20:35:461
3198599241,19cyclictest29512-21ls20:35:461
287152240,3sleep30-21swapper/300:05:583
287152240,3sleep30-21swapper/300:05:583
3198599239,10cyclictest5525-21/usr/sbin/munin00:15:551
3198599231,19cyclictest4891-21ls20:55:551
3198599231,19cyclictest4891-21ls20:55:551
31985992310,10cyclictest8826-21/usr/sbin/munin21:46:031
31985992310,10cyclictest8826-21/usr/sbin/munin21:46:031
31985992310,10cyclictest8826-21/usr/sbin/munin21:46:031
3198499231,16cyclictest24557-21ls21:25:540
3198499231,16cyclictest24557-21ls21:25:540
3198499231,16cyclictest24557-21ls21:25:540
313232230,2chrt0-21swapper/200:09:182
313232230,2chrt0-21swapper/200:09:182
296102230,4sleep30-21swapper/322:11:393
296102230,4sleep30-21swapper/322:11:393
3198999221,15cyclictest21662-21chrt20:11:063
3198999221,15cyclictest21662-21chrt20:11:063
3198999221,15cyclictest21662-21chrt20:11:063
3198999221,15cyclictest0-21swapper/300:00:433
3198999221,15cyclictest0-21swapper/300:00:433
3198999221,15cyclictest0-21swapper/300:00:433
3198899229,10cyclictest12638-21/usr/sbin/munin22:30:572
3198899229,10cyclictest12638-21/usr/sbin/munin22:30:572
3198899221,3cyclictest0-21swapper/221:24:292
31988992212,7cyclictest27141-21sh22:47:332
31988992212,7cyclictest27141-21sh22:47:332
31988992212,7cyclictest27141-21sh22:47:332
3198899221,17cyclictest1086-21cut20:45:542
3198899221,17cyclictest1086-21cut20:45:542
3198899221,16cyclictest15459-21cut21:15:542
3198899221,14cyclictest20765-21ls20:10:552
3198899221,14cyclictest20765-21ls20:10:552
3198899221,14cyclictest20765-21ls20:10:552
3198599221,15cyclictest20125-21cut23:55:531
3198599221,15cyclictest20125-21cut23:55:531
3198499221,18cyclictest3944-21grep21:40:540
3198499221,18cyclictest3944-21grep21:40:540
3198499221,18cyclictest3944-21grep21:40:540
3198499221,18cyclictest31540-21ssh22:15:090
3198499221,18cyclictest31540-21ssh22:15:090
297742221,2sleep20-21swapper/222:11:592
297742221,2sleep20-21swapper/222:11:592
3198899211,17cyclictest23996-21ls20:20:442
3198899211,17cyclictest23996-21ls20:20:442
3198899211,16cyclictest28138-21ls23:25:542
3198899211,15cyclictest5588-21timerwakeupswit20:56:042
3198899211,15cyclictest5588-21timerwakeupswit20:56:042
31988992110,8cyclictest5712-21needreboot23:00:552
31988992110,8cyclictest5712-21needreboot23:00:552
31985992112,6cyclictest28927-21sh00:06:021
31985992112,6cyclictest28927-21sh00:06:021
3198599211,17cyclictest18857-21ls23:15:531
31985992110,8cyclictest9166-21sendmail19:40:411
31985992110,8cyclictest9166-21sendmail19:40:411
31985992110,8cyclictest9166-21sendmail19:40:411
3198499219,9cyclictest134-21systemd-journal22:25:410
3198499219,9cyclictest134-21systemd-journal22:25:410
3198499218,6cyclictest0-21swapper/021:49:510
3198499218,6cyclictest0-21swapper/021:49:510
3198499218,6cyclictest0-21swapper/021:49:510
3198499212,13cyclictest24720-21ls23:21:020
3198499212,13cyclictest24720-21ls23:21:020
3198499212,13cyclictest24720-21ls23:21:020
31984992114,5cyclictest2669-21sh00:12:370
3198499211,10cyclictest26565-21sed00:40:410
3198499211,10cyclictest26565-21sed00:40:410
3198499211,10cyclictest26565-21sed00:40:410
3198499210,18cyclictest17158-21ls22:35:550
3198499210,18cyclictest17158-21ls22:35:550
309382210,3sleep30-21swapper/321:33:573
309382210,3sleep30-21swapper/321:33:573
309382210,3sleep30-21swapper/321:33:573
309382210,3sleep30-21swapper/321:33:573
222062210,2sleep10-21swapper/100:35:181
222062210,2sleep10-21swapper/100:35:181
222062210,2sleep10-21swapper/100:35:181
80382201,3sleep30-21swapper/321:05:403
80382201,3sleep30-21swapper/321:05:403
3198999201,14cyclictest0-21swapper/322:10:523
3198999201,14cyclictest0-21swapper/322:10:523
3198999201,14cyclictest0-21swapper/322:10:523
3198899203,9cyclictest20216-21latency_hist20:10:482
3198899203,9cyclictest20216-21latency_hist20:10:482
31988992013,5cyclictest6549-21ssh21:44:032
31988992013,5cyclictest6549-21ssh21:44:032
31988992013,5cyclictest6549-21ssh21:44:032
3198899201,16cyclictest6778-21ls21:00:552
3198899201,16cyclictest6778-21ls21:00:552
31988992011,6cyclictest0-21swapper/223:21:042
31988992011,6cyclictest0-21swapper/223:21:042
3198599209,8cyclictest134-21systemd-journal22:42:411
3198599209,8cyclictest134-21systemd-journal22:42:411
3198599202,15cyclictest15866-21cut21:55:551
3198599202,15cyclictest15866-21cut21:55:551
31985992012,6cyclictest9911-21diskmemload23:15:171
31985992012,6cyclictest9911-21diskmemload22:28:251
31985992012,6cyclictest9911-21diskmemload22:28:251
31985992012,6cyclictest9911-21diskmemload22:28:251
3198599201,17cyclictest9965-21ls19:40:571
3198599201,17cyclictest9965-21ls19:40:571
31985992011,6cyclictest9918-21idleruntime-cro21:10:411
31985992011,6cyclictest9918-21idleruntime-cro21:10:411
31985992011,6cyclictest0-21swapper/119:46:021
31985992011,6cyclictest0-21swapper/119:46:021
3198599201,10cyclictest25954-21/usr/sbin/munin20:25:541
3198599201,10cyclictest25954-21/usr/sbin/munin20:25:541
3198499209,8cyclictest26309-21sed22:46:030
3198499209,8cyclictest26309-21sed22:46:030
3198499209,8cyclictest26309-21sed22:46:030
3198499206,11cyclictest14858-21ssh21:15:360
3198499206,11cyclictest14858-21ssh21:15:360
31984992013,5cyclictest31494-21sh21:35:000
31984992013,5cyclictest31494-21sh21:35:000
31984992013,5cyclictest31494-21sh21:35:000
31984992013,5cyclictest31494-21sh21:35:000
31984992013,5cyclictest29788-21bingrep22:50:570
31984992013,5cyclictest29788-21bingrep22:50:570
31984992013,5cyclictest11735-21rm23:08:100
31984992013,5cyclictest11735-21rm23:08:100
3198499201,17cyclictest11399-21uniq19:45:530
3198499201,17cyclictest11399-21uniq19:45:530
3198499201,16cyclictest18609-21latency_hist20:05:510
3198499201,16cyclictest18609-21latency_hist20:05:510
3198499201,12cyclictest16533-21ps21:56:020
3198499201,12cyclictest16533-21ps21:56:020
3198499200,18cyclictest615-21ls22:16:000
55222190,3sleep30-21swapper/319:30:433
55222190,3sleep30-21swapper/319:30:433
3198999191,14cyclictest0-21swapper/321:10:543
3198999191,14cyclictest0-21swapper/321:10:543
3198999191,12cyclictest0-21swapper/319:40:563
3198999191,12cyclictest0-21swapper/319:40:563
3198999191,11cyclictest0-21swapper/320:55:523
3198899199,7cyclictest4768-21unixbench_multi23:36:032
3198899199,7cyclictest4768-21unixbench_multi23:36:032
3198899199,7cyclictest12874-21cron19:50:412
3198899199,7cyclictest12874-21cron19:50:412
3198899198,8cyclictest12604-21find21:51:032
3198899198,8cyclictest12604-21find21:51:032
3198899193,13cyclictest9954-21cat21:10:422
3198899193,13cyclictest9954-21cat21:10:422
3198899191,9cyclictest817-21runrttasks21:35:352
3198899191,9cyclictest817-21runrttasks21:35:352
3198899191,9cyclictest817-21runrttasks21:35:352
3198899191,9cyclictest817-21runrttasks21:35:352
3198899191,9cyclictest25116-21cpuspeed22:45:512
3198899191,9cyclictest25116-21cpuspeed22:45:512
3198899191,2cyclictest131rcu_preempt19:30:442
3198899191,2cyclictest131rcu_preempt19:30:442
31988991912,5cyclictest21465-21kworker/u8:322:19:052
31988991912,5cyclictest12320-21ssh21:12:092
31988991912,5cyclictest12320-21ssh21:12:092
31988991911,6cyclictest9572-21uniq19:40:542
31988991911,6cyclictest9572-21uniq19:40:542
31988991911,5cyclictest26533-21sh00:40:412
31988991911,5cyclictest26533-21sh00:40:412
31988991911,5cyclictest26533-21sh00:40:412
31988991911,5cyclictest13860-21sh23:47:262
3198599199,7cyclictest7027-21cut21:00:581
3198599199,7cyclictest7027-21cut21:00:581
3198599193,13cyclictest5567-21ssh22:21:031
3198599193,13cyclictest5567-21ssh22:21:031
3198599191,9cyclictest3886-21/usr/sbin/munin19:26:031
3198599191,9cyclictest3886-21/usr/sbin/munin19:26:031
3198599191,14cyclictest5954-21ssh23:00:591
3198599191,14cyclictest5954-21ssh23:00:591
3198499196,10cyclictest22066-21ssh23:18:520
3198499193,7cyclictest12-21ksoftirqd/020:50:540
3198499193,7cyclictest12-21ksoftirqd/020:50:540
3198499193,7cyclictest12-21ksoftirqd/020:50:540
3198499191,8cyclictest3825-21grep23:35:530
3198499191,8cyclictest3825-21grep23:35:530
31984991913,3cyclictest30707-1kworker/u9:120:00:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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