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2026-04-12 - 06:50
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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 Sun Apr 12, 2026 00:21:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
687226960,1sleep121-21ksoftirqd/119:12:281
687226960,1sleep121-21ksoftirqd/119:12:281
687124000,1sleep012-21ksoftirqd/019:12:270
687124000,1sleep012-21ksoftirqd/019:12:270
2688921510,3sleep00-21swapper/022:27:030
2688921510,3sleep00-21swapper/022:27:030
2688921510,3sleep00-21swapper/022:27:030
1743021310,3sleep217420-21find23:22:172
1743021310,3sleep217420-21find23:22:172
1743021310,3sleep217420-21find23:22:172
1902021180,3sleep20-21swapper/223:57:192
1902021180,3sleep20-21swapper/223:57:192
2864021160,2sleep30-21swapper/300:07:173
2864021160,2sleep30-21swapper/300:07:173
862621070,2sleep18622-21find20:42:171
862621070,2sleep18622-21find20:42:171
862621070,2sleep18622-21find20:42:171
3262621050,4sleep132622-21grep22:32:191
3262621050,4sleep132622-21grep22:32:191
1808521010,3sleep30-21swapper/322:17:183
1808521010,3sleep30-21swapper/322:17:183
105582990,1sleep012-21ksoftirqd/020:47:180
105582990,1sleep012-21ksoftirqd/020:47:180
318562980,4sleep20-21swapper/223:37:172
318562980,4sleep20-21swapper/223:37:172
295222980,4sleep129518-21find20:12:181
295222980,4sleep129518-21find20:12:181
219572960,1sleep012-21ksoftirqd/023:27:180
219572960,1sleep012-21ksoftirqd/023:27:180
104372950,2sleep30-21swapper/319:22:153
104372950,2sleep30-21swapper/319:22:153
104372950,2sleep30-21swapper/319:22:153
9112940,1sleep012-21ksoftirqd/020:22:140
9112940,1sleep012-21ksoftirqd/020:22:140
9112940,1sleep012-21ksoftirqd/020:22:140
250392940,2sleep30-21swapper/322:57:183
250392940,2sleep30-21swapper/322:57:183
250392940,2sleep30-21swapper/322:57:183
9032900,4sleep10-21swapper/121:26:061
9032900,4sleep10-21swapper/121:26:061
9032900,4sleep10-21swapper/121:26:061
9802890,3sleep30-21swapper/323:39:073
9802890,3sleep30-21swapper/323:39:073
276212890,1sleep012-21ksoftirqd/020:07:180
276212890,1sleep012-21ksoftirqd/020:07:180
115032870,1sleep012-21ksoftirqd/019:27:060
115032870,1sleep012-21ksoftirqd/019:27:060
113922840,3sleep20-21swapper/222:11:532
65392820,3sleep10-21swapper/121:32:091
65392820,3sleep10-21swapper/121:32:091
65392820,3sleep10-21swapper/121:32:091
249982750,3sleep10-21swapper/121:52:111
249982750,3sleep10-21swapper/121:52:111
55662740,3sleep10-21swapper/121:31:451
55662740,3sleep10-21swapper/121:31:451
55662740,3sleep10-21swapper/121:31:451
202872740,2sleep30-21swapper/321:47:113
202872740,2sleep30-21swapper/321:47:113
19162630,3sleep30-21swapper/322:34:143
19162630,3sleep30-21swapper/322:34:143
134072630,2sleep00-21swapper/019:32:050
134072630,2sleep00-21swapper/019:32:050
178022620,4sleep30-21swapper/321:07:113
178022620,4sleep30-21swapper/321:07:113
85132610,3chrt0-21swapper/200:19:582
85132610,3chrt0-21swapper/200:19:582
85132610,3chrt0-21swapper/200:19:582
67972610,3sleep30-21swapper/323:12:133
67972610,3sleep30-21swapper/323:12:133
118522600,4sleep30-21swapper/320:52:083
118522600,4sleep30-21swapper/320:52:083
253582590,2chrt0-21swapper/200:03:502
253582590,2chrt0-21swapper/200:03:502
253582590,2chrt0-21swapper/200:03:502
164632590,3sleep00-21swapper/023:55:280
164632590,3sleep00-21swapper/023:55:280
142662580,4chrt0-21swapper/323:52:373
142662580,4chrt0-21swapper/323:52:373
11842550,2sleep30-21swapper/321:26:363
11842550,2sleep30-21swapper/321:26:363
11842550,2sleep30-21swapper/321:26:363
73202540,4sleep30-21swapper/300:18:273
73202540,4sleep30-21swapper/300:18:273
73202540,4sleep30-21swapper/300:18:273
45662540,4chrt0-21swapper/300:16:463
45662540,4chrt0-21swapper/300:16:463
261782540,5chrt0-21swapper/321:17:443
261782540,5chrt0-21swapper/321:17:443
261782540,5chrt0-21swapper/321:17:443
212722540,3chrt0-21swapper/223:27:082
212722540,3chrt0-21swapper/223:27:082
44712530,4sleep24383-21sh22:37:062
44712530,4sleep24383-21sh22:37:062
230182530,3sleep10-21swapper/121:15:251
230182530,3sleep10-21swapper/121:15:251
230182530,3sleep10-21swapper/121:15:251
93432520,4sleep30-21swapper/320:46:533
93432520,4sleep30-21swapper/320:46:533
93432520,4sleep30-21swapper/320:46:533
259742520,3chrt0-21swapper/022:58:110
259742520,3chrt0-21swapper/022:58:110
259742520,3chrt0-21swapper/022:58:110
242852520,2sleep124294-21sh22:23:201
242852520,2sleep124294-21sh22:23:201
242852520,2sleep124294-21sh22:23:201
172662520,3chrt0-21swapper/223:56:302
172662520,3chrt0-21swapper/223:56:302
42162510,2sleep20-21swapper/221:29:252
42162510,2sleep20-21swapper/221:29:252
42162510,2sleep20-21swapper/221:29:252
6916994922,24cyclictest73-21kswapd019:22:160
6916994922,24cyclictest73-21kswapd019:22:160
6916994922,24cyclictest73-21kswapd019:22:160
43202470,3sleep10-21swapper/123:42:141
43202470,3sleep10-21swapper/123:42:141
43202470,3sleep10-21swapper/123:42:141
120362460,3sleep20-21swapper/223:17:152
120362460,3sleep20-21swapper/223:17:152
120362460,3sleep20-21swapper/223:17:152
95472450,4sleep00-21swapper/021:36:140
95472450,4sleep00-21swapper/021:36:140
95472450,4sleep00-21swapper/021:36:140
6916994528,14cyclictest16278-21find21:02:170
6916994528,14cyclictest16278-21find21:02:170
6916994519,11cyclictest7506-21ssh23:46:300
6916994519,11cyclictest7506-21ssh23:46:300
6916994519,11cyclictest7506-21ssh23:46:300
166672450,3sleep0151rcuc/021:42:330
166672450,3sleep0151rcuc/021:42:330
166672450,3sleep0151rcuc/021:42:330
131312450,3sleep00-21swapper/021:39:400
131312450,3sleep00-21swapper/021:39:400
131312450,3sleep00-21swapper/021:39:400
6916994418,11cyclictest3021-21ssh21:27:240
6916994418,11cyclictest3021-21ssh21:27:240
6916994418,11cyclictest3021-21ssh21:27:240
233832440,3chrt0-21swapper/219:57:102
233832440,3chrt0-21swapper/219:57:102
146742440,3chrt0-21swapper/023:20:100
146742440,3chrt0-21swapper/023:20:100
146742440,3chrt0-21swapper/023:20:100
134212440,3chrt0-21swapper/322:46:123
134212440,3chrt0-21swapper/322:46:123
134212440,3chrt0-21swapper/322:46:123
125932440,6sleep333-21ksoftirqd/322:12:153
125932440,6sleep333-21ksoftirqd/322:12:153
6916994321,18cyclictest28638-21sh00:07:170
6916994321,18cyclictest28638-21sh00:07:170
282272430,3chrt0-21swapper/021:20:180
282272430,3chrt0-21swapper/021:20:180
282272430,3chrt0-21swapper/021:20:180
108862430,9sleep333-21ksoftirqd/323:49:403
108862430,9sleep333-21ksoftirqd/323:49:403
6916994227,12cyclictest73-21kswapd022:32:180
6916994227,12cyclictest73-21kswapd022:32:180
6916994219,19cyclictest73-21kswapd000:17:160
6916994219,19cyclictest73-21kswapd000:17:160
6916994219,19cyclictest73-21kswapd000:17:160
6916994217,8cyclictest9841-21ssh22:09:330
66482420,2chrt0-21swapper/022:38:250
66482420,2chrt0-21swapper/022:38:250
209032420,3sleep00-21swapper/019:52:020
9062410,4sleep00-21swapper/022:00:220
9062410,4sleep00-21swapper/022:00:220
6916994130,9cyclictest20289-21find21:12:180
6916994130,9cyclictest20289-21find21:12:180
6916994130,9cyclictest20289-21find21:12:180
6916994127,9cyclictest24170-21grep00:02:180
6916994127,9cyclictest24170-21grep00:02:180
6916994127,9cyclictest24170-21grep00:02:180
28012410,3chrt0-21swapper/100:14:351
28012410,3chrt0-21swapper/100:14:351
148132410,4sleep30-21swapper/323:20:213
148132410,4sleep30-21swapper/323:20:213
148132410,4sleep30-21swapper/323:20:213
99952400,3sleep20-21swapper/223:48:142
99952400,3sleep20-21swapper/223:48:142
6916994024,12cyclictest73-21kswapd022:27:150
6916994024,12cyclictest73-21kswapd022:27:150
267962400,2sleep20-21swapper/221:18:322
267962400,2sleep20-21swapper/221:18:322
267962400,2sleep20-21swapper/221:18:322
251252400,3sleep30-21swapper/321:52:133
251252400,3sleep30-21swapper/321:52:133
130352400,3chrt0-21swapper/222:45:352
130352400,3chrt0-21swapper/222:45:352
130352400,3chrt0-21swapper/222:45:352
253992390,3chrt0-21swapper/222:57:252
253992390,3chrt0-21swapper/222:57:252
253992390,3chrt0-21swapper/222:57:252
241542390,2sleep30-21swapper/323:30:313
241542390,2sleep30-21swapper/323:30:313
6916993825,9cyclictest18077-21find22:17:170
6916993825,9cyclictest18077-21find22:17:170
6916993825,11cyclictest73-21kswapd020:17:060
6916993825,11cyclictest73-21kswapd020:17:060
6916993825,11cyclictest73-21kswapd020:17:060
6916993817,7cyclictest22188-21ssh21:49:050
6916993817,7cyclictest22188-21ssh21:49:050
6916993817,10cyclictest27785-21sh21:54:570
6916993817,10cyclictest27785-21sh21:54:570
6916993817,10cyclictest13124-21sh22:12:210
6916993817,10cyclictest13124-21sh22:12:210
208952380,3sleep30-21swapper/322:53:163
208952380,3sleep30-21swapper/322:53:163
193142380,2sleep30-21swapper/319:47:073
193142380,2sleep30-21swapper/319:47:073
6917993723,7cyclictest30679-21find21:57:171
6917993723,7cyclictest30679-21find21:57:171
6916993726,9cyclictest18180-21find21:07:170
6916993726,9cyclictest18180-21find21:07:170
6916993725,10cyclictest73-21kswapd019:57:070
6916993725,10cyclictest73-21kswapd019:57:070
313782370,3sleep00-21swapper/023:37:110
313782370,3sleep00-21swapper/023:37:110
131912370,4sleep333-21ksoftirqd/319:31:593
131912370,4sleep333-21ksoftirqd/319:31:593
90732360,2sleep29075-21ssh23:14:392
90732360,2sleep29075-21ssh23:14:392
6916993623,9cyclictest9092-21find23:47:170
6916993623,9cyclictest9092-21find23:47:170
6916993623,11cyclictest73-21kswapd020:57:170
6916993623,11cyclictest73-21kswapd020:57:170
6916993617,7cyclictest19417-21sh23:25:020
6916993617,7cyclictest19417-21sh23:25:020
6916993617,7cyclictest19417-21sh23:25:020
81302350,2sleep227-21ksoftirqd/221:33:432
81302350,2sleep227-21ksoftirqd/221:33:432
81302350,2sleep227-21ksoftirqd/221:33:432
6916993526,7cyclictest18069-21find19:42:150
6916993526,7cyclictest18069-21find19:42:150
6916993526,7cyclictest18069-21find19:42:150
6916993526,7cyclictest14937-21ps22:47:140
6916993526,7cyclictest14937-21ps22:47:140
6916993525,7cyclictest30215-21find23:02:170
6916993525,7cyclictest30215-21find23:02:170
6916993525,7cyclictest30215-21find23:02:170
6916993525,7cyclictest30215-21find23:02:170
6916993522,10cyclictest4774-21find20:32:180
6916993522,10cyclictest4774-21find20:32:180
6916993517,9cyclictest359-21sh21:25:120
6916993517,9cyclictest359-21sh21:25:120
6916993517,9cyclictest359-21sh21:25:120
180842350,4sleep30-21swapper/323:57:073
180842350,4sleep30-21swapper/323:57:073
6916993425,7cyclictest73-21kswapd023:57:180
6916993425,7cyclictest73-21kswapd023:57:180
6916993425,7cyclictest73-21kswapd023:32:050
6916993425,6cyclictest73-21kswapd022:42:160
6916993425,6cyclictest73-21kswapd022:42:160
6916993425,6cyclictest73-21kswapd022:42:160
6916993424,8cyclictest2286-21find23:07:180
6916993424,8cyclictest2286-21find23:07:180
6916993423,8cyclictest18957-21ssh22:52:060
6916993423,8cyclictest18957-21ssh22:52:060
6916993420,11cyclictest695-21runrttasks20:42:160
6916993420,11cyclictest695-21runrttasks20:42:160
6916993420,11cyclictest695-21runrttasks20:42:160
263472340,3sleep20-21swapper/223:32:142
6916993325,6cyclictest3675-21snmpd20:30:380
6916993325,6cyclictest3675-21snmpd20:30:380
6916993323,8cyclictest3486-21ssh22:02:150
6916993323,8cyclictest3486-21ssh22:02:150
6916993323,8cyclictest3486-21ssh22:02:150
691699331,30cyclictest73-21kswapd020:37:170
691699331,30cyclictest73-21kswapd020:37:170
234012330,4sleep30-21swapper/321:15:553
234012330,4sleep30-21swapper/321:15:553
234012330,4sleep30-21swapper/321:15:553
75952320,2sleep30-21swapper/323:46:383
75952320,2sleep30-21swapper/323:46:383
75952320,2sleep30-21swapper/323:46:383
6916993222,8cyclictest73-21kswapd023:12:160
6916993222,8cyclictest73-21kswapd023:12:160
6916993222,8cyclictest22124-21/usr/sbin/munin19:52:180
6916993221,8cyclictest25677-21find20:02:160
6916993221,8cyclictest25677-21find20:02:160
6916993221,8cyclictest25677-21find20:02:160
6916993220,9cyclictest73-21kswapd019:17:150
6916993220,9cyclictest73-21kswapd019:17:150
6916993220,9cyclictest73-21kswapd019:17:150
6916993124,5cyclictest73-21kswapd020:52:060
6916993124,5cyclictest73-21kswapd020:52:060
691699310,15cyclictest32450-21fw_packets00:12:060
691699310,15cyclictest32450-21fw_packets00:12:060
691699310,10cyclictest16840-21basename19:41:530
691699310,10cyclictest16840-21basename19:41:530
212152310,2chrt0-21swapper/221:47:342
212152310,2chrt0-21swapper/221:47:342
691899301,3cyclictest0-21swapper/223:02:182
691899301,3cyclictest0-21swapper/223:02:182
691899301,3cyclictest0-21swapper/223:02:182
691899301,3cyclictest0-21swapper/223:02:182
239122300,2sleep10-21swapper/122:57:031
178612300,3sleep30-21swapper/322:51:023
178612300,3sleep30-21swapper/322:51:023
6916992918,9cyclictest29281-21ps20:12:140
6916992918,9cyclictest29281-21ps20:12:140
159632290,2sleep116078-21sendmail_mailtr21:42:151
159632290,2sleep116078-21sendmail_mailtr21:42:151
159632290,2sleep116078-21sendmail_mailtr21:42:151
96052280,3chrt0-21swapper/122:09:111
691799281,7cyclictest907-21find20:22:151
691799281,7cyclictest907-21find20:22:151
691799281,7cyclictest907-21find20:22:151
6917992816,9cyclictest20570-21ssh22:52:501
32322280,3chrt0-21swapper/223:08:232
32322280,3chrt0-21swapper/223:08:232
6918992720,5cyclictest30195-1kworker/2:0H20:41:532
6918992720,5cyclictest30195-1kworker/2:0H20:41:532
6918992718,7cyclictest23386-21ssh22:22:172
6918992718,7cyclictest23386-21ssh22:22:172
6918992718,7cyclictest23386-21ssh22:22:172
6917992713,6cyclictest6714-21find20:37:171
6917992713,6cyclictest6714-21find20:37:171
6916992719,6cyclictest19745-21ps19:47:140
176102270,4sleep30-21swapper/319:42:083
176102270,4sleep30-21swapper/319:42:083
176102270,4sleep30-21swapper/319:42:083
691899261,3cyclictest131rcu_preempt20:42:162
691899261,3cyclictest131rcu_preempt20:42:162
691899261,3cyclictest131rcu_preempt20:42:162
691799261,4cyclictest0-21swapper/120:52:571
691799261,4cyclictest0-21swapper/120:52:571
691799251,9cyclictest0-21swapper/123:52:171
691799251,9cyclictest0-21swapper/123:52:171
45892250,3sleep30-21swapper/321:30:023
45892250,3sleep30-21swapper/321:30:023
45892250,3sleep30-21swapper/321:30:023
6917992417,5cyclictest23464-21grep19:57:121
6917992417,5cyclictest23464-21grep19:57:121
691799241,4cyclictest131rcu_preempt22:57:171
691799241,4cyclictest131rcu_preempt22:57:171
691799241,4cyclictest131rcu_preempt22:57:171
68742243,15sleep30-21swapper/319:12:313
68742243,15sleep30-21swapper/319:12:313
691899232,4cyclictest131rcu_preempt22:32:182
691899232,4cyclictest131rcu_preempt22:32:182
6918992318,3cyclictest29962-21fschecks_count21:22:072
6918992318,3cyclictest29962-21fschecks_count21:22:072
6918992318,3cyclictest29962-21fschecks_count21:22:072
691899231,19cyclictest24905-21cut20:02:052
691899231,19cyclictest24905-21cut20:02:052
691899231,19cyclictest24905-21cut20:02:052
691899231,17cyclictest13588-21cut20:57:072
691899231,17cyclictest13588-21cut20:57:072
691799232,19cyclictest24162-21find00:02:181
691799232,19cyclictest24162-21find00:02:181
691799232,19cyclictest24162-21find00:02:181
6917992312,8cyclictest25677-21find20:02:151
6917992312,8cyclictest25677-21find20:02:151
6917992312,8cyclictest25677-21find20:02:151
691799231,17cyclictest2595-21fschecks_count22:02:051
691799231,17cyclictest2595-21fschecks_count22:02:051
691799231,17cyclictest2595-21fschecks_count22:02:051
6919992213,6cyclictest0-21swapper/319:37:153
6919992213,6cyclictest0-21swapper/319:37:153
691899228,6cyclictest3765-21fschecks_time23:42:072
691899228,6cyclictest3765-21fschecks_time23:42:072
691899228,6cyclictest3765-21fschecks_time23:42:072
691899221,5cyclictest19870-21find22:52:172
691899221,5cyclictest19870-21find22:52:172
6918992212,8cyclictest29521-21grep20:12:182
6918992212,8cyclictest29521-21grep20:12:182
691799222,5cyclictest21-21ksoftirqd/119:47:171
691799222,5cyclictest21-21ksoftirqd/119:47:171
6917992214,6cyclictest18884-21diskmemload23:12:271
6917992214,6cyclictest18884-21diskmemload23:12:271
691799221,17cyclictest26493-21find23:32:161
691799221,16cyclictest9216-21ls23:47:181
691799221,16cyclictest9216-21ls23:47:181
691799221,12cyclictest18681-21latency_hist22:52:011
691799221,12cyclictest18681-21latency_hist22:52:011
691899218,10cyclictest18319-21unixbench_singl19:42:172
691899218,10cyclictest18319-21unixbench_singl19:42:172
691899218,10cyclictest18319-21unixbench_singl19:42:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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