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2026-04-17 - 07:04
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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 highest latencies:
System rack4slot1.osadl.org (updated Thu Apr 16, 2026 21:16:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3235821290,1sleep132359-21timerandwakeup19:42:211
3235821290,1sleep132359-21timerandwakeup19:42:211
3235821290,1sleep132359-21timerandwakeup19:42:211
2671421260,2sleep30-21swapper/320:52:223
2293621030,1sleep012-21ksoftirqd/020:42:210
2293621030,1sleep012-21ksoftirqd/020:42:210
227672990,2sleep20-21swapper/219:17:212
227672990,2sleep20-21swapper/219:17:212
248232970,2sleep30-21swapper/320:47:193
248232970,2sleep30-21swapper/320:47:193
224002960,3chrt0-21swapper/319:17:133
224002960,3chrt0-21swapper/319:17:133
229422920,3sleep122944-21grep20:42:221
229422920,3sleep122944-21grep20:42:221
94622820,9sleep333-21ksoftirqd/320:07:193
14242640,3chrt0-21swapper/321:12:113
14242640,3chrt0-21swapper/321:12:113
14242640,3chrt0-21swapper/321:12:113
8852600,3chrt881-21ssh21:12:022
8852600,3chrt881-21ssh21:12:022
211182560,3sleep019635-21ls19:12:290
211182560,3sleep019635-21ls19:12:290
303522550,2chrt0-21swapper/021:02:150
303522550,2chrt0-21swapper/021:02:150
10632550,2chrt0-21swapper/321:12:073
261222510,3sleep20-21swapper/220:52:132
180602500,3sleep10-21swapper/120:32:051
180602500,3sleep10-21swapper/120:32:051
53092480,3chrt0-21swapper/221:15:562
53092480,3chrt0-21swapper/221:15:562
53092480,3chrt0-21swapper/221:15:562
21175994513,29cyclictest73-21kswapd020:52:110
124722450,2chrt12-21ksoftirqd/020:17:090
124722450,2chrt12-21ksoftirqd/020:17:090
199692446,30sleep10-21swapper/119:12:101
199692446,30sleep10-21swapper/119:12:101
201532430,2chrt0-21swapper/020:37:100
201532430,2chrt0-21swapper/020:37:100
76272420,1chrt12-21ksoftirqd/020:02:220
76272420,1chrt12-21ksoftirqd/020:02:220
110922410,3sleep20-21swapper/220:12:122
110922410,3sleep20-21swapper/220:12:122
2117599371,11cyclictest12187-21latency_hist20:17:000
2117599371,11cyclictest12187-21latency_hist20:17:000
2117599351,10cyclictest23467-21ls19:21:580
2117599351,10cyclictest23467-21ls19:21:580
185952340,2sleep218709-21bingrep20:32:152
2117599331,12cyclictest29911-1kworker/0:0H19:47:120
2117599331,12cyclictest29911-1kworker/0:0H19:47:120
2117599311,6cyclictest27692-21fschecks_count19:32:100
2117599311,6cyclictest27692-21fschecks_count19:32:100
2117599311,2cyclictest0-21swapper/020:47:190
2117599311,2cyclictest0-21swapper/020:47:190
21177993020,8cyclictest24672-21find19:22:211
21177993020,8cyclictest24672-21find19:22:211
65642290,3sleep30-21swapper/320:02:053
65642290,3sleep30-21swapper/320:02:053
2117799297,17cyclictest21-21ksoftirqd/119:27:201
2117799297,17cyclictest21-21ksoftirqd/119:27:201
205912287,12sleep20-21swapper/219:12:192
205912287,12sleep20-21swapper/219:12:192
21177992712,6cyclictest28613-21find20:57:201
21177992712,6cyclictest28613-21find20:57:201
21177992712,6cyclictest28613-21find20:57:201
2117599272,21cyclictest2122-21find21:12:200
2117599272,21cyclictest2122-21find21:12:200
2117599272,21cyclictest2122-21find21:12:200
226312260,2sleep30-21swapper/320:42:163
226312260,2sleep30-21swapper/320:42:163
2118099262,3cyclictest131rcu_preempt20:17:202
2118099262,3cyclictest131rcu_preempt20:17:202
2118099253,2cyclictest131rcu_preempt20:47:192
2118099253,2cyclictest131rcu_preempt20:47:192
21180992516,7cyclictest28468-21find19:32:212
21180992516,7cyclictest28468-21find19:32:212
21177992513,10cyclictest1423-21fw_packets21:12:111
21177992513,10cyclictest1423-21fw_packets21:12:111
21177992513,10cyclictest1423-21fw_packets21:12:111
2118099231,4cyclictest261rcuc/219:27:202
2118099231,4cyclictest261rcuc/219:27:202
2118099231,19cyclictest29542-21ls19:37:092
2118099231,19cyclictest29542-21ls19:37:092
21175992317,3cyclictest29911-1kworker/0:0H21:02:080
198442230,15sleep30-21swapper/319:12:083
198442230,15sleep30-21swapper/319:12:083
2118299227,12cyclictest457-21chrt19:45:253
2118299227,12cyclictest457-21chrt19:45:253
2118299227,12cyclictest457-21chrt19:45:253
21182992210,9cyclictest27149-21chrt19:30:373
21182992210,9cyclictest27149-21chrt19:30:373
2117799222,3cyclictest0-21swapper/119:32:211
2117799222,3cyclictest0-21swapper/119:32:211
2117599221,8cyclictest32350-21find19:42:210
2117599221,8cyclictest32350-21find19:42:210
2117599221,8cyclictest32350-21find19:42:210
2117599221,15cyclictest16175-21ls20:27:070
2117599221,15cyclictest16175-21ls20:27:070
2118299219,9cyclictest13670-21chrt20:17:523
2118299219,9cyclictest13670-21chrt20:17:523
2118299218,9cyclictest29232-21chrt21:00:463
2118299218,9cyclictest29232-21chrt21:00:463
2118299218,9cyclictest29232-21chrt21:00:463
2118299218,10cyclictest12086-21chrt20:16:313
2118299218,10cyclictest12086-21chrt20:16:313
2118299217,10cyclictest19567-21chrt20:34:123
21182992111,8cyclictest0-21swapper/320:02:213
21182992111,8cyclictest0-21swapper/320:02:213
21182992110,9cyclictest565-21chrt21:09:543
2118099212,3cyclictest141rcub/020:37:222
2118099212,3cyclictest141rcub/020:37:222
2118099211,2cyclictest131rcu_preempt20:57:202
2118099211,2cyclictest131rcu_preempt20:57:202
2118099211,2cyclictest131rcu_preempt20:57:202
2118099211,17cyclictest25703-21df_inode19:27:092
21177992114,5cyclictest10975-21sed20:12:101
21177992114,5cyclictest10975-21sed20:12:101
21177992114,4cyclictest21-21ksoftirqd/120:47:191
21177992114,4cyclictest21-21ksoftirqd/120:47:191
21177992112,7cyclictest32491-21find21:07:241
21177992112,7cyclictest32491-21find21:07:241
2117599211,17cyclictest29585-21cut19:37:100
2117599211,17cyclictest29585-21cut19:37:100
2117599211,10cyclictest27277-21cron19:31:570
2117599211,10cyclictest27277-21cron19:31:570
2118299208,9cyclictest15691-21chrt20:23:473
2118299208,9cyclictest15691-21chrt20:23:473
2118299207,10cyclictest3428-21chrt19:52:163
2118299207,10cyclictest3428-21chrt19:52:163
2118299207,10cyclictest30434-21chrt19:37:213
2118299207,10cyclictest30434-21chrt19:37:213
2118099203,3cyclictest131rcu_preempt20:06:552
2118099203,3cyclictest131rcu_preempt20:06:552
2118099203,11cyclictest0-21swapper/219:22:162
2118099201,3cyclictest131rcu_preempt20:42:132
2118099201,3cyclictest131rcu_preempt20:42:132
21180992012,6cyclictest15015-21wc20:22:182
21180992012,6cyclictest15015-21wc20:22:182
21180992011,6cyclictest0-21swapper/219:52:052
21180992011,6cyclictest0-21swapper/219:52:052
2117599201,8cyclictest24344-21grep19:22:150
2117599201,8cyclictest24344-21grep19:22:150
2117599200,14cyclictest16751-21ls20:27:130
2117599200,14cyclictest16751-21ls20:27:130
2118299196,9cyclictest280402sleep319:32:153
2118299196,9cyclictest280402sleep319:32:153
2118299191,14cyclictest0-21swapper/321:07:033
2118299191,14cyclictest0-21swapper/321:07:033
2118099191,4cyclictest0-21swapper/221:02:152
2118099191,4cyclictest0-21swapper/221:02:152
2118099191,2cyclictest131rcu_preempt20:07:102
2118099191,2cyclictest131rcu_preempt19:42:102
2118099191,2cyclictest131rcu_preempt19:42:102
2118099191,2cyclictest131rcu_preempt19:42:102
2117799192,3cyclictest31279-21latency_hist21:06:581
2117799192,3cyclictest31279-21latency_hist21:06:581
21177991912,4cyclictest21-21ksoftirqd/119:52:211
21177991912,4cyclictest21-21ksoftirqd/119:52:211
2117799191,10cyclictest8376-21latency_hist20:07:011
2117799191,10cyclictest8376-21latency_hist20:07:011
21177991910,7cyclictest26373-21netstat20:52:151
21177991910,7cyclictest12682-21grep20:17:111
21177991910,7cyclictest12682-21grep20:17:111
2117599199,8cyclictest4838-21cut19:57:100
2117599199,8cyclictest4838-21cut19:57:100
2117599196,4cyclictest9179-21tr20:07:140
2117599191,9cyclictest32682-21grep21:07:250
2117599191,9cyclictest32682-21grep21:07:250
21175991911,6cyclictest0-21swapper/020:57:190
21175991911,6cyclictest0-21swapper/020:57:190
2118299186,9cyclictest25057-21chrt19:23:213
2118299186,9cyclictest25057-21chrt19:23:213
21177991812,3cyclictest21-21ksoftirqd/119:47:121
21177991812,3cyclictest21-21ksoftirqd/119:47:121
2117799181,11cyclictest20477-21ls20:37:141
2117799181,11cyclictest20477-21ls20:37:141
21177991810,6cyclictest31138-21ls19:41:581
21177991810,6cyclictest31138-21ls19:41:581
2117599181,14cyclictest3752-21find19:52:200
2117599181,14cyclictest3752-21find19:52:200
2117599180,12cyclictest19803-21latency_hist20:37:020
2118299175,9cyclictest20442-21chrt20:37:133
2118299175,9cyclictest20442-21chrt20:37:133
2118299175,9cyclictest1545-21chrt19:47:183
2118299175,9cyclictest1545-21chrt19:47:183
2118099172,3cyclictest141rcub/019:52:212
2118099172,3cyclictest141rcub/019:52:212
2118099171,4cyclictest131rcu_preempt19:57:132
2118099171,4cyclictest131rcu_preempt19:57:132
2118099171,2cyclictest131rcu_preempt20:27:102
2118099171,2cyclictest131rcu_preempt20:27:102
2117799179,6cyclictest22724-21/usr/sbin/munin19:17:191
2117799179,6cyclictest22724-21/usr/sbin/munin19:17:191
21177991711,5cyclictest19249-21sed20:32:231
2117799171,14cyclictest8863-21/usr/sbin/munin20:07:111
2117799171,13cyclictest4771-21sort19:57:091
2117799171,13cyclictest4771-21sort19:57:091
2118299164,9cyclictest17504-21chrt20:27:453
2118299164,9cyclictest17504-21chrt20:27:453
2117799161,12cyclictest15113-21mailstats20:22:191
2117799161,12cyclictest15113-21mailstats20:22:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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