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2026-07-16 - 01:07
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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 Wed Jul 15, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57821690,2sleep20-21swapper/209:21:132
57821690,2sleep20-21swapper/209:21:132
2761721100,3sleep20-21swapper/211:53:382
2761721100,3sleep20-21swapper/211:53:382
2761721100,3sleep20-21swapper/211:53:382
100221100,3sleep10-21swapper/108:06:171
100221100,3sleep10-21swapper/108:06:171
137772980,3chrt0-21swapper/109:37:241
137772980,3chrt0-21swapper/109:37:241
118572930,3chrt0-21swapper/108:36:111
118572930,3chrt0-21swapper/108:36:111
87252910,2sleep10-21swapper/110:51:071
87252910,2sleep10-21swapper/110:51:071
293652910,3sleep10-21swapper/107:56:121
293652910,3sleep10-21swapper/107:56:121
293652910,3sleep10-21swapper/107:56:121
55632900,4chrt0-21swapper/309:27:053
55632900,4chrt0-21swapper/309:27:053
319332900,3sleep10-21swapper/109:20:521
319332900,3sleep10-21swapper/109:20:521
319332900,3sleep10-21swapper/109:20:521
323352890,2sleep20-21swapper/210:40:272
323352890,2sleep20-21swapper/210:40:272
13622800,4sleep10-21swapper/109:21:401
13622800,4sleep10-21swapper/109:21:401
81312750,2sleep20-21swapper/212:10:142
81312750,2sleep20-21swapper/212:10:142
81312750,2sleep20-21swapper/212:10:142
81312750,2sleep20-21swapper/212:10:142
167052720,2sleep10-21swapper/111:01:041
167052720,2sleep10-21swapper/111:01:041
177912680,2sleep10-21swapper/109:42:141
177912680,2sleep10-21swapper/109:42:141
204302670,3sleep119724-21/usr/sbin/munin10:26:111
204302670,3sleep119724-21/usr/sbin/munin10:26:111
204302670,3sleep119724-21/usr/sbin/munin10:26:111
204302670,3sleep119724-21/usr/sbin/munin10:26:111
214332660,2sleep10-21swapper/111:06:181
214332660,2sleep10-21swapper/111:06:181
277432650,2sleep20-21swapper/207:51:152
277432650,2sleep20-21swapper/207:51:152
277432650,2sleep20-21swapper/207:51:152
259322650,3chrt0-21swapper/209:52:282
259322650,3chrt0-21swapper/209:52:282
132112590,4sleep211727-21ls07:11:252
132112590,4sleep211727-21ls07:11:252
222522560,3chrt0-21swapper/109:05:571
222522560,3chrt0-21swapper/109:05:571
222522560,3chrt0-21swapper/109:05:571
75772550,2chrt0-21swapper/208:26:032
75772550,2chrt0-21swapper/208:26:032
210042530,1sleep2261rcuc/211:06:112
210042530,1sleep2261rcuc/211:06:112
131912530,3sleep011727-21ls07:11:190
131912530,3sleep011727-21ls07:11:190
74332520,2sleep07441-21ssh09:30:410
74332520,2sleep07441-21ssh09:30:410
324562500,2sleep00-21swapper/010:40:370
324562500,2sleep00-21swapper/010:40:370
138992500,3chrt0-21swapper/110:17:551
138992500,3chrt0-21swapper/110:17:551
267732490,3sleep30-21swapper/307:51:043
267732490,3sleep30-21swapper/307:51:043
267732490,3sleep30-21swapper/307:51:043
240402480,2sleep224048-21ssh11:49:212
240402480,2sleep224048-21ssh11:49:212
203482480,3sleep30-21swapper/310:26:093
203482480,3sleep30-21swapper/310:26:093
203482480,3sleep30-21swapper/310:26:093
203482480,3sleep30-21swapper/310:26:093
260652470,3sleep10-21swapper/109:52:431
260652470,3sleep10-21swapper/109:52:431
18022470,2sleep10-21swapper/111:22:261
18022470,2sleep10-21swapper/111:22:261
18022470,2sleep10-21swapper/111:22:261
63772450,3sleep10-21swapper/109:28:361
63772450,3sleep10-21swapper/109:28:361
288732450,3sleep128872-21rm10:36:121
288732450,3sleep128872-21rm10:36:121
49152420,2sleep20-21swapper/212:06:042
289362400,2sleep228197-21/usr/sbin/munin09:16:122
289362400,2sleep228197-21/usr/sbin/munin09:16:122
289362400,2sleep228197-21/usr/sbin/munin09:16:122
221472400,1sleep00-21swapper/009:05:520
221472400,1sleep00-21swapper/009:05:520
221472400,1sleep00-21swapper/009:05:520
278162370,3sleep20-21swapper/209:15:422
278162370,3sleep20-21swapper/209:15:422
278162370,3sleep20-21swapper/209:15:422
238292370,3sleep273-21kswapd010:31:032
238292370,3sleep273-21kswapd010:31:032
238292370,3sleep273-21kswapd010:31:032
238292370,3sleep273-21kswapd010:31:032
91422360,2sleep10-21swapper/109:31:171
91422360,2sleep10-21swapper/109:31:171
211692350,3sleep10-21swapper/112:27:091
211692350,3sleep10-21swapper/112:27:091
211692350,3sleep10-21swapper/112:27:091
211692350,3sleep10-21swapper/112:27:091
138252350,2sleep113831-21ssh12:16:451
138252350,2sleep113831-21ssh12:16:451
138252350,2sleep113831-21ssh12:16:451
71612330,3sleep10-21swapper/112:08:121
71612330,3sleep10-21swapper/112:08:121
71612330,3sleep10-21swapper/112:08:121
71612330,3sleep10-21swapper/112:08:121
29432330,3chrt0-21swapper/108:11:151
241692330,2sleep024315-21sh09:51:060
241692330,2sleep024315-21sh09:51:060
119732336,16sleep112068-21df_inode07:11:041
119732336,16sleep112068-21df_inode07:11:041
274962320,2sleep227504-21ssh11:15:092
274962320,2sleep227504-21ssh11:15:092
274962320,2sleep227504-21ssh11:15:092
114532320,3sleep00-21swapper/008:36:060
114532320,3sleep00-21swapper/008:36:060
261902280,3sleep10-21swapper/110:33:311
261902280,3sleep10-21swapper/110:33:311
1327899289,4cyclictest141rcub/008:06:062
1327899289,4cyclictest141rcub/008:06:062
1327899289,4cyclictest141rcub/008:06:062
1327699281,21cyclictest12371-21ssh12:16:050
1327699281,21cyclictest12371-21ssh12:16:050
1327699281,21cyclictest12371-21ssh12:16:050
1327699281,21cyclictest12371-21ssh12:16:050
77632270,2sleep00-21swapper/010:50:020
77632270,2sleep00-21swapper/010:50:020
77632270,2sleep00-21swapper/010:50:020
269382270,2sleep10-21swapper/109:14:011
269382270,2sleep10-21swapper/109:14:011
269382270,2sleep10-21swapper/109:14:011
129102270,3chrt0-21swapper/312:16:103
129102270,3chrt0-21swapper/312:16:103
13276992619,5cyclictest15331-21ssh09:40:240
13276992619,5cyclictest15331-21ssh09:40:240
1327699261,18cyclictest28511-21cut09:16:050
1327699261,18cyclictest28511-21cut09:16:050
1327699261,18cyclictest28511-21cut09:16:050
132282251,15sleep30-21swapper/307:11:343
132282251,15sleep30-21swapper/307:11:343
322962240,2sleep30-21swapper/310:01:053
322962240,2sleep30-21swapper/310:01:053
269202240,2sleep30-21swapper/309:13:593
269202240,2sleep30-21swapper/309:13:593
269202240,2sleep30-21swapper/309:13:593
1327799245,4cyclictest131rcu_preempt11:35:291
1327799245,4cyclictest131rcu_preempt11:35:291
1327799245,4cyclictest131rcu_preempt11:35:291
1327799243,17cyclictest674-21snmpd09:46:071
1327799243,17cyclictest674-21snmpd09:46:071
1327799242,16cyclictest674-21snmpd09:56:091
1327799242,16cyclictest674-21snmpd09:56:091
1327799242,16cyclictest674-21snmpd09:56:091
70422230,3sleep30-21swapper/310:48:363
70422230,3sleep30-21swapper/310:48:363
70422230,3sleep30-21swapper/310:48:363
42642230,3sleep10-21swapper/110:06:101
42642230,3sleep10-21swapper/110:06:101
42642230,3sleep10-21swapper/110:06:101
250412231,2sleep00-21swapper/010:31:220
250412231,2sleep00-21swapper/010:31:220
1327899231,18cyclictest25531-21ls07:46:082
1327899231,18cyclictest25531-21ls07:46:082
1327899231,16cyclictest7804-21ls09:31:022
1327899231,16cyclictest7804-21ls09:31:022
1327799232,15cyclictest18450-21taskset11:41:181
1327799232,15cyclictest18450-21taskset11:41:181
1327799232,15cyclictest18450-21taskset11:41:181
1327699232,13cyclictest16969-21chrt10:21:160
1327699232,13cyclictest16969-21chrt10:21:160
1327699232,13cyclictest16969-21chrt10:21:160
1327699232,13cyclictest16969-21chrt10:21:160
1327699231,11cyclictest19608-21fschecks_count07:31:050
1327699231,11cyclictest19608-21fschecks_count07:31:050
117162230,3sleep30-21swapper/310:16:043
117162230,3sleep30-21swapper/310:16:043
138422220,3chrt0-21swapper/011:36:280
138422220,3chrt0-21swapper/011:36:280
1327899222,16cyclictest20222-21ssh12:26:122
1327899222,16cyclictest20222-21ssh12:26:122
1327899222,16cyclictest20222-21ssh12:26:122
1327899222,16cyclictest20222-21ssh12:26:122
1327899221,3cyclictest0-21swapper/211:23:542
1327899221,3cyclictest0-21swapper/211:23:542
1327899221,3cyclictest0-21swapper/211:23:542
1327899221,18cyclictest8977-21ssh09:31:162
1327899221,18cyclictest8977-21ssh09:31:162
1327899221,18cyclictest17309-21ls08:51:102
1327899221,18cyclictest17309-21ls08:51:102
1327899221,16cyclictest19524-21ls12:26:042
1327899221,16cyclictest19524-21ls12:26:042
1327899221,16cyclictest19524-21ls12:26:042
1327899221,14cyclictest24446-21cut09:11:052
13278992210,9cyclictest25270-21ls07:46:052
1327799229,10cyclictest27472-21ntpq07:51:121
1327799229,10cyclictest27472-21ntpq07:51:121
1327799229,10cyclictest27472-21ntpq07:51:121
1327799221,18cyclictest20228-21ls11:05:581
1327799221,18cyclictest20228-21ls11:05:581
1327799221,18cyclictest20228-21ls11:05:581
1327799221,17cyclictest4051-21ls08:16:061
1327799221,17cyclictest4051-21ls08:16:061
1327799221,17cyclictest27316-21ls07:51:091
1327799221,16cyclictest24983-21sh11:11:111
1327799221,16cyclictest24983-21sh11:11:111
1327799221,16cyclictest24983-21sh11:11:111
1327699222,18cyclictest27046-21cut07:51:060
1327699222,18cyclictest27046-21cut07:51:060
1327699222,18cyclictest27046-21cut07:51:060
1327699222,17cyclictest24113-21latency_hist11:10:560
1327699222,17cyclictest24113-21latency_hist11:10:560
13276992217,3cyclictest17615-21ssh11:01:140
13276992217,3cyclictest17615-21ssh11:01:140
13276992217,3cyclictest17615-21ssh11:01:140
13276992213,6cyclictest0-21swapper/012:36:320
13276992213,6cyclictest0-21swapper/012:36:320
13276992213,6cyclictest0-21swapper/012:36:320
13276992212,7cyclictest3651-21latency_hist11:25:520
13276992212,7cyclictest3651-21latency_hist11:25:520
13276992212,7cyclictest3651-21latency_hist11:25:520
1327699221,19cyclictest26922-21ls12:36:070
1327699221,19cyclictest26922-21ls12:36:070
1327699221,19cyclictest26922-21ls12:36:070
1327699221,19cyclictest26922-21ls12:36:070
1327699221,17cyclictest19232-21cron07:30:510
1327699221,17cyclictest19232-21cron07:30:510
13276992211,7cyclictest0-21swapper/011:15:590
13276992211,7cyclictest0-21swapper/011:15:590
13276992211,7cyclictest0-21swapper/011:15:590
1327699221,12cyclictest16249-21fschecks_time09:41:060
1327699221,12cyclictest16249-21fschecks_time09:41:060
13276992210,9cyclictest16153-21cron11:00:520
13276992210,9cyclictest16153-21cron11:00:520
13276992210,9cyclictest16153-21cron11:00:520
10612220,2sleep0151rcuc/010:01:300
10612220,2sleep0151rcuc/010:01:300
1327899211,5cyclictest4583-21ntpq11:26:082
1327899211,5cyclictest4583-21ntpq11:26:082
13278992111,8cyclictest3513-21cron08:15:532
13278992111,7cyclictest23199-21cat07:41:042
13278992111,7cyclictest23199-21cat07:41:042
13278992111,7cyclictest23199-21cat07:41:042
1327799212,15cyclictest5752-21taskset08:21:061
1327799212,15cyclictest5752-21taskset08:21:061
1327799212,15cyclictest12480-21ssh11:36:051
1327799212,15cyclictest12480-21ssh11:36:051
13277992117,2cyclictest201rcuc/110:11:061
13277992117,2cyclictest201rcuc/110:11:061
13277992112,7cyclictest21-21ksoftirqd/108:56:051
13277992112,7cyclictest21-21ksoftirqd/108:56:051
1327699212,8cyclictest13429-21timerwakeupswit12:16:160
1327699212,8cyclictest13429-21timerwakeupswit12:16:160
1327699212,8cyclictest13429-21timerwakeupswit12:16:160
1327699212,10cyclictest22798-21sh11:47:010
1327699212,10cyclictest22798-21sh11:47:010
1327699211,9cyclictest16992-21grep08:51:070
1327699211,9cyclictest16992-21grep08:51:070
13276992114,5cyclictest7140-21rm11:29:540
13276992114,5cyclictest7140-21rm11:29:540
13276992114,5cyclictest23986-21diskmemload09:11:160
13276992114,5cyclictest23986-21diskmemload09:11:160
13276992114,5cyclictest23986-21diskmemload09:11:160
13276992114,5cyclictest20705-21swap10:26:150
13276992114,5cyclictest20705-21swap10:26:150
13276992114,5cyclictest20705-21swap10:26:150
13276992114,5cyclictest20705-21swap10:26:150
13276992114,4cyclictest38150irq/55-eth007:41:040
13276992114,4cyclictest38150irq/55-eth007:41:040
13276992114,4cyclictest38150irq/55-eth007:41:040
13276992113,6cyclictest20287-21systemctl09:00:520
13276992113,6cyclictest20287-21systemctl09:00:520
1327699211,17cyclictest3894-21fschecks_count08:16:050
1327699211,17cyclictest3894-21fschecks_count08:16:050
1327699211,17cyclictest32229-21latency_hist08:05:540
1327699211,17cyclictest32229-21latency_hist08:05:540
1327699211,17cyclictest32229-21latency_hist08:05:540
1327699211,17cyclictest17114-21find11:41:030
1327699211,17cyclictest17114-21find11:41:030
1327699211,17cyclictest17114-21find11:41:030
1327699211,16cyclictest12678-21ls10:16:150
1327699211,16cyclictest12678-21ls10:16:150
1327699211,10cyclictest604-21proc_pri09:21:140
1327699211,10cyclictest604-21proc_pri09:21:140
13276992110,9cyclictest27616-21ssh11:53:380
13276992110,9cyclictest27616-21ssh11:53:380
13276992110,9cyclictest27616-21ssh11:53:380
289892200,2sleep30-21swapper/309:16:123
289892200,2sleep30-21swapper/309:16:123
289892200,2sleep30-21swapper/309:16:123
183672200,2sleep218370-21grep11:41:162
183672200,2sleep218370-21grep11:41:162
183672200,2sleep218370-21grep11:41:162
162242201,3sleep30-21swapper/308:46:553
162242201,3sleep30-21swapper/308:46:553
1327999201,13cyclictest0-21swapper/312:06:003
1327999201,13cyclictest0-21swapper/312:06:003
1327899208,8cyclictest23986-21diskmemload11:21:052
13278992014,4cyclictest26738-21/usr/sbin/munin07:51:052
13278992014,4cyclictest26738-21/usr/sbin/munin07:51:052
13278992014,4cyclictest26738-21/usr/sbin/munin07:51:052
13278992014,3cyclictest27-21ksoftirqd/209:36:052
13278992014,3cyclictest27-21ksoftirqd/209:36:052
1327899201,16cyclictest5143-21needreboot10:46:092
1327899201,16cyclictest5143-21needreboot10:46:092
1327899201,16cyclictest5143-21needreboot10:46:092
13278992011,6cyclictest16571-21cron08:50:512
13278992011,6cyclictest16571-21cron08:50:512
13278992011,6cyclictest0-21swapper/212:15:552
13278992011,6cyclictest0-21swapper/212:15:552
13278992011,6cyclictest0-21swapper/212:15:552
13278992011,6cyclictest0-21swapper/212:15:552
1327899201,10cyclictest5482-21wc08:20:552
1327899201,10cyclictest5482-21wc08:20:552
13278992010,7cyclictest0-21swapper/209:05:562
13278992010,7cyclictest0-21swapper/209:05:562
13278992010,7cyclictest0-21swapper/209:05:562
1327799207,9cyclictest31688-21unixbench_multi08:01:161
1327799207,9cyclictest31688-21unixbench_multi08:01:161
1327799207,9cyclictest31688-21unixbench_multi08:01:161
1327799205,12cyclictest25826-21ssh11:51:101
1327799205,12cyclictest25826-21ssh11:51:101
1327799205,12cyclictest25826-21ssh11:51:101
1327799201,2cyclictest131rcu_preempt12:40:251
1327799201,2cyclictest131rcu_preempt12:40:251
1327799201,2cyclictest131rcu_preempt12:40:251
1327799201,17cyclictest22615-21grep09:06:081
1327799201,17cyclictest22615-21grep09:06:081
1327799201,17cyclictest22615-21grep09:06:081
1327799201,16cyclictest21570-21ssh11:46:081
1327799201,16cyclictest21570-21ssh11:46:081
1327799201,13cyclictest8474-21ls10:51:031
1327799201,13cyclictest8474-21ls10:51:031
1327799201,13cyclictest8474-21ls10:51:031
1327799201,13cyclictest19815-21ls12:26:071
1327799201,13cyclictest19815-21ls12:26:071
1327799201,13cyclictest19815-21ls12:26:071
1327799201,12cyclictest550-21ls10:01:141
1327799201,12cyclictest550-21ls10:01:141
1327799201,12cyclictest16838-21ls10:21:151
1327799201,12cyclictest16838-21ls10:21:151
1327799201,12cyclictest16838-21ls10:21:151
1327799201,12cyclictest16838-21ls10:21:151
1327699206,12cyclictest29895-21proc_pri11:56:130
1327699206,12cyclictest29895-21proc_pri11:56:130
1327699206,12cyclictest29895-21proc_pri11:56:130
1327699201,9cyclictest8960-21switchtime11:31:160
1327699201,9cyclictest8960-21switchtime11:31:160
1327699201,9cyclictest8960-21switchtime11:31:160
1327699201,9cyclictest5687-21find12:06:140
1327699201,9cyclictest5687-21find12:06:140
1327699201,9cyclictest5687-21find12:06:140
1327699201,9cyclictest5687-21find12:06:140
1327699201,6cyclictest841-21fschecks_time10:41:060
1327699201,6cyclictest841-21fschecks_time10:41:060
1327699201,6cyclictest841-21fschecks_time10:41:060
13276992014,4cyclictest8740-21ssh09:31:130
13276992014,4cyclictest8740-21ssh09:31:130
1327699201,16cyclictest4814-21unixbench-2d10:06:170
1327699201,16cyclictest4814-21unixbench-2d10:06:170
1327699201,16cyclictest4814-21unixbench-2d10:06:170
1327699201,16cyclictest20640-21needreboot09:46:100
1327699201,16cyclictest20640-21needreboot09:46:100
1327699201,13cyclictest15543-21plymouth07:20:520
1327699201,13cyclictest15543-21plymouth07:20:520
198732190,3sleep30-21swapper/310:26:053
198732190,3sleep30-21swapper/310:26:053
177222190,4sleep30-21swapper/311:41:093
177222190,4sleep30-21swapper/311:41:093
177222190,4sleep30-21swapper/311:41:093
1327999191,11cyclictest0-21swapper/311:06:103
1327999191,11cyclictest0-21swapper/311:06:103
1327899197,9cyclictest27-21ksoftirqd/211:56:072
1327899197,9cyclictest27-21ksoftirqd/211:56:072
1327899197,9cyclictest27-21ksoftirqd/211:56:072
1327899196,10cyclictest29437-21sed11:16:162
1327899192,14cyclictest4651-21cat10:46:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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