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2026-04-14 - 05:54
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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 Mon Apr 13, 2026 22:16:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13432214380,3sleep20-21swapper/219:12:222
13432214380,3sleep20-21swapper/219:12:222
1371425000,2sleep012-21ksoftirqd/019:12:280
1371425000,2sleep012-21ksoftirqd/019:12:280
553821460,2chrt0-21swapper/321:22:193
553821460,2chrt0-21swapper/321:22:193
553821460,2chrt0-21swapper/321:22:193
1621521460,3sleep30-21swapper/320:46:103
1621521460,3sleep30-21swapper/320:46:103
1621521460,3sleep30-21swapper/320:46:103
2878521110,1sleep012-21ksoftirqd/019:52:200
2878521110,1sleep012-21ksoftirqd/019:52:200
401621050,3sleep30-21swapper/320:12:163
401621050,3sleep30-21swapper/320:12:163
2114721010,2sleep20-21swapper/219:32:202
2114721010,2sleep20-21swapper/219:32:202
232612980,2sleep10-21swapper/121:02:201
232612980,2sleep10-21swapper/121:02:201
122652950,3sleep30-21swapper/321:30:433
122652950,3sleep30-21swapper/321:30:433
194402870,2sleep219626-21unixbench_multi20:52:202
194402870,2sleep219626-21unixbench_multi20:52:202
3622820,3sleep30-21swapper/321:51:583
56242790,3sleep20-21swapper/220:17:142
56242790,3sleep20-21swapper/220:17:142
56242790,3sleep20-21swapper/220:17:142
172232760,3chrt17222-21ssh22:07:212
172232760,3chrt17222-21ssh22:07:212
243912720,2sleep30-21swapper/321:07:083
243912720,2sleep30-21swapper/321:07:083
309832650,2sleep333-21ksoftirqd/319:57:213
309832650,2sleep333-21ksoftirqd/319:57:213
309832650,2sleep333-21ksoftirqd/319:57:213
133742630,3sleep20-21swapper/220:37:172
133742630,3sleep20-21swapper/220:37:172
133742630,3sleep20-21swapper/220:37:172
23352590,3chrt0-21swapper/221:19:492
23352590,3chrt0-21swapper/221:19:492
291742550,3sleep229169-21ntp_states21:47:142
192172550,3sleep30-21swapper/320:52:163
192172550,3sleep30-21swapper/320:52:163
77662540,2sleep30-21swapper/320:22:173
77662540,2sleep30-21swapper/320:22:173
274232510,2sleep127432-21ssh21:45:501
274232510,2sleep127432-21ssh21:45:501
196902400,2sleep119673-21ssh21:37:161
196902400,2sleep119673-21ssh21:37:161
1375999391,4cyclictest0-21swapper/020:47:200
1375999391,4cyclictest0-21swapper/020:47:200
231452380,4sleep30-21swapper/321:02:173
231452380,4sleep30-21swapper/321:02:173
65952360,3sleep26587-21ssh21:57:112
65952360,3sleep26587-21ssh21:57:112
65952360,3sleep26587-21ssh21:57:112
246162360,2sleep10-21swapper/121:07:101
246162360,2sleep10-21swapper/121:07:101
145302360,2sleep30-21swapper/319:17:093
145302360,2sleep30-21swapper/319:17:093
13759993625,8cyclictest21143-21find19:32:200
13759993625,8cyclictest21143-21find19:32:200
92902350,3sleep29260-21latency20:27:112
210432350,4sleep20-21swapper/220:57:142
210432350,4sleep20-21swapper/220:57:142
199252350,2sleep119968-21latency_hist19:31:551
199252350,2sleep119968-21latency_hist19:31:551
302832330,2sleep00-21swapper/021:15:490
302832330,2sleep00-21swapper/021:15:490
184442330,3sleep30-21swapper/321:36:583
13759993223,7cyclictest7025-21find21:57:180
13759993223,7cyclictest7025-21find21:57:180
13759993223,7cyclictest7025-21find21:57:180
1376199319,7cyclictest11745-21find20:32:202
134292310,2sleep013440-21ssh22:03:380
134292310,2sleep013440-21ssh22:03:380
127142310,1sleep012658-21snmpd21:31:260
127142310,1sleep012658-21snmpd21:31:260
226162300,10sleep333-21ksoftirqd/322:13:173
226162300,10sleep333-21ksoftirqd/322:13:173
297662290,2sleep0131rcu_preempt21:47:200
13761992815,11cyclictest73-21kswapd021:02:082
13761992815,11cyclictest73-21kswapd021:02:082
13759992811,12cyclictest38650irq/55-eth021:52:180
13759992811,12cyclictest38650irq/55-eth021:52:180
91822270,2sleep19289-21cat20:27:111
1376199274,2cyclictest0-21swapper/221:52:182
1376199274,2cyclictest0-21swapper/221:52:182
13760992714,6cyclictest73-21kswapd020:32:201
13759992716,9cyclictest2167-21ssh21:19:360
13759992716,9cyclictest2167-21ssh21:19:360
94282260,3sleep30-21swapper/320:27:123
249742260,2sleep224973-21ssh21:42:202
249742260,2sleep224973-21ssh21:42:202
197622260,3sleep225826-21diskmemload21:37:172
197622260,3sleep225826-21diskmemload21:37:172
174812260,3sleep10-21swapper/119:22:181
174812260,3sleep10-21swapper/119:22:181
174812260,3sleep10-21swapper/119:22:181
136932268,10sleep10-21swapper/119:12:261
136932268,10sleep10-21swapper/119:12:261
13761992514,9cyclictest17574-21ssh21:35:562
13761992513,10cyclictest17038-21memory20:47:122
13761992513,10cyclictest17038-21memory20:47:122
13760992519,4cyclictest21-21ksoftirqd/119:52:191
13760992519,4cyclictest21-21ksoftirqd/119:52:191
13759992513,9cyclictest38650irq/55-eth021:42:200
13759992513,9cyclictest38650irq/55-eth021:42:200
1375999251,18cyclictest14188-21rm21:32:160
1375999243,8cyclictest131rcu_preempt20:46:100
1375999243,8cyclictest131rcu_preempt20:46:100
1375999243,8cyclictest131rcu_preempt20:46:100
13759992417,4cyclictest25723-1kworker/0:0H20:32:170
1375999241,11cyclictest2998-21/usr/sbin/munin20:12:060
1375999241,11cyclictest2998-21/usr/sbin/munin20:12:060
13761992310,11cyclictest12363-21systemd-journal20:01:552
13761992310,11cyclictest12363-21systemd-journal20:01:552
13761992310,11cyclictest12363-21systemd-journal20:01:552
1376099231,7cyclictest0-21swapper/119:17:091
1376099231,7cyclictest0-21swapper/119:17:091
13760992316,5cyclictest3368-21ssh21:21:071
13760992316,5cyclictest3368-21ssh21:21:071
13760992311,10cyclictest503-21rm21:52:031
1375999234,4cyclictest131rcu_preempt21:02:190
1375999234,4cyclictest131rcu_preempt21:02:190
1375999230,18cyclictest13003-21ls20:37:100
1375999230,18cyclictest13003-21ls20:37:100
1375999230,18cyclictest13003-21ls20:37:100
184562220,3sleep00-21swapper/019:27:070
184562220,3sleep00-21swapper/019:27:070
182572221,18sleep00-21swapper/022:09:010
182572221,18sleep00-21swapper/022:09:010
13761992215,3cyclictest27-21ksoftirqd/219:42:182
13761992215,3cyclictest27-21ksoftirqd/219:42:182
13760992215,5cyclictest18576-21df_inode20:52:081
13760992215,5cyclictest18576-21df_inode20:52:081
1376099221,2cyclictest131rcu_preempt21:52:181
1376099221,2cyclictest131rcu_preempt21:52:181
13760992211,9cyclictest21892-21awk19:36:561
13760992211,9cyclictest21892-21awk19:36:561
1375999220,4cyclictest151rcuc/020:27:190
132022224,12sleep30-21swapper/319:12:193
132022224,12sleep30-21swapper/319:12:193
1376199218,10cyclictest7128-21grep20:22:092
1376199218,10cyclictest7128-21grep20:22:092
1376199217,4cyclictest131rcu_preempt20:42:192
1376199217,4cyclictest131rcu_preempt20:42:192
1376199217,4cyclictest131rcu_preempt20:42:192
1376199212,17cyclictest12634-21sh22:02:222
1376199212,17cyclictest12634-21sh22:02:222
13761992114,4cyclictest27-21ksoftirqd/220:12:162
13761992114,4cyclictest27-21ksoftirqd/220:12:162
1376099212,4cyclictest131rcu_preempt20:47:191
1376099212,4cyclictest131rcu_preempt20:47:191
1376099212,3cyclictest131rcu_preempt21:57:181
1376099212,3cyclictest131rcu_preempt21:57:181
1376099212,3cyclictest131rcu_preempt21:57:181
13760992115,5cyclictest21-21ksoftirqd/120:07:181
13760992115,5cyclictest21-21ksoftirqd/120:07:181
1376099211,17cyclictest11440-21grep22:02:091
1376099211,17cyclictest11440-21grep22:02:091
1376099210,7cyclictest21587-21find22:12:201
1376099210,7cyclictest21587-21find22:12:201
1375999215,13cyclictest24763-21needreboot21:07:110
1375999215,13cyclictest24763-21needreboot21:07:110
1375999211,18cyclictest213412find20:57:190
1375999211,18cyclictest213412find20:57:190
1375999211,13cyclictest14493-21ls19:17:080
1375999211,13cyclictest14493-21ls19:17:080
1375999211,10cyclictest19556-21cut21:37:150
1375999211,10cyclictest19556-21cut21:37:150
13761992012,6cyclictest5034-21uname21:22:132
13761992012,6cyclictest5034-21uname21:22:132
13761992012,6cyclictest5034-21uname21:22:132
13761992012,6cyclictest23042-21sshd22:13:522
13761992012,6cyclictest23042-21sshd22:13:522
13761992012,6cyclictest15047-21cat19:17:152
13761992012,6cyclictest15047-21cat19:17:152
1376199201,11cyclictest26376-21fschecks_count21:12:082
1376199201,11cyclictest26376-21fschecks_count21:12:082
1376199201,11cyclictest12658-21snmpd19:27:302
1376199201,11cyclictest12658-21snmpd19:27:302
1376099206,3cyclictest21-21ksoftirqd/120:46:091
1376099206,3cyclictest21-21ksoftirqd/120:46:091
1376099206,3cyclictest21-21ksoftirqd/120:46:091
13760992013,5cyclictest136282sleep120:37:201
13760992013,5cyclictest136282sleep120:37:201
13760992013,5cyclictest136282sleep120:37:201
13760992011,6cyclictest0-21swapper/121:16:561
13760992011,6cyclictest0-21swapper/121:16:561
13759992013,5cyclictest24246-21fschecks_time19:42:080
13759992013,5cyclictest24246-21fschecks_time19:42:080
1375999201,16cyclictest32766-21unixbench-2d20:02:190
1375999201,16cyclictest32766-21unixbench-2d20:02:190
233912190,2sleep30-21swapper/321:41:413
233912190,2sleep30-21swapper/321:41:413
183602190,3sleep3321rcuc/319:27:063
183602190,3sleep3321rcuc/319:27:063
175952191,3sleep20-21swapper/219:22:202
175952191,3sleep20-21swapper/219:22:202
175952191,3sleep20-21swapper/219:22:202
1376299191,13cyclictest0-21swapper/321:57:083
1376299191,13cyclictest0-21swapper/321:57:083
1376299191,13cyclictest0-21swapper/321:57:083
1376299191,12cyclictest0-21swapper/319:37:073
1376299191,12cyclictest0-21swapper/319:37:073
1376299191,11cyclictest0-21swapper/320:02:073
1376299191,11cyclictest0-21swapper/320:02:073
1376099191,5cyclictest4018-21grep20:12:171
1376099191,5cyclictest4018-21grep20:12:171
1376099191,5cyclictest0-21swapper/119:47:191
1376099191,5cyclictest0-21swapper/119:47:191
1376099191,4cyclictest131rcu_preempt20:57:081
1376099191,4cyclictest131rcu_preempt20:57:081
1376099191,4cyclictest131rcu_preempt20:17:091
1376099191,4cyclictest131rcu_preempt20:17:091
1376099191,4cyclictest131rcu_preempt20:17:091
1376099191,4cyclictest0-21swapper/121:28:231
1376099191,4cyclictest0-21swapper/121:28:231
1376099191,3cyclictest131rcu_preempt20:02:081
1376099191,3cyclictest131rcu_preempt20:02:081
1376099191,2cyclictest131rcu_preempt20:22:191
1376099191,2cyclictest131rcu_preempt20:22:191
1376099191,13cyclictest24084-21ls19:42:071
1376099191,13cyclictest24084-21ls19:42:071
1375999198,9cyclictest2293-21grep20:07:200
1375999198,9cyclictest2293-21grep20:07:200
1375999191,9cyclictest7167-21grep20:22:090
1375999191,9cyclictest7167-21grep20:22:090
1375999191,9cyclictest5262-21ps21:22:160
1375999191,9cyclictest5262-21ps21:22:160
1375999191,9cyclictest5262-21ps21:22:160
1375999191,16cyclictest26097-21fschecks_time19:47:090
1375999191,16cyclictest26097-21fschecks_time19:47:090
1375999191,10cyclictest22088-21sh22:12:360
1375999191,10cyclictest22088-21sh22:12:360
1376299181,13cyclictest0-21swapper/319:32:023
1376299181,13cyclictest0-21swapper/319:32:023
1376199183,12cyclictest10056-21wc21:27:202
1376199183,12cyclictest10056-21wc21:27:202
13761991811,5cyclictest28134-21/usr/sbin/munin19:52:092
13761991811,5cyclictest28134-21/usr/sbin/munin19:52:092
1376099185,3cyclictest731kswapd021:22:081
1376099185,3cyclictest731kswapd021:22:081
1376099185,3cyclictest731kswapd021:22:081
1376099181,5cyclictest18996-21sh22:10:101
1376099181,5cyclictest18996-21sh22:10:101
1376099181,4cyclictest0-21swapper/121:34:421
1376099180,3cyclictest131rcu_preempt19:57:081
1376099180,3cyclictest131rcu_preempt19:57:081
1376099180,3cyclictest131rcu_preempt19:57:081
1375999185,11cyclictest23190-21grep19:37:200
1375999185,11cyclictest23190-21grep19:37:200
1375999181,9cyclictest695-21runrttasks20:21:060
1375999181,9cyclictest695-21runrttasks20:21:060
1375999181,9cyclictest695-21runrttasks20:21:060
1375999181,15cyclictest18787-21ls20:52:100
1375999181,15cyclictest18787-21ls20:52:100
1376299173,10cyclictest0-21swapper/321:12:193
1376299173,10cyclictest0-21swapper/321:12:193
1376299171,12cyclictest0-21swapper/322:07:193
1376299171,12cyclictest0-21swapper/322:07:193
1376299171,12cyclictest0-21swapper/320:17:073
1376299171,12cyclictest0-21swapper/320:17:073
1376299171,12cyclictest0-21swapper/320:17:073
1376199173,12cyclictest31922-21fschecks_time20:02:092
1376199173,12cyclictest31922-21fschecks_time20:02:092
1376199171,14cyclictest25029-21sendmail_mailtr21:07:172
1376199171,14cyclictest25029-21sendmail_mailtr21:07:172
1376199171,13cyclictest26853-21find19:47:192
1376199171,13cyclictest26853-21find19:47:192
1376099171,7cyclictest22690-21grep19:37:121
1376099171,7cyclictest22690-21grep19:37:121
1375999175,10cyclictest30031-21gltestperf19:57:090
1375999175,10cyclictest30031-21gltestperf19:57:090
1375999175,10cyclictest30031-21gltestperf19:57:090
1375999171,14cyclictest25723-1kworker/0:0H19:26:550
1375999171,14cyclictest25723-1kworker/0:0H19:26:550
1375999171,14cyclictest25723-1kworker/0:0H19:26:550
1376299163,9cyclictest287792sleep319:52:193
1376299163,9cyclictest287792sleep319:52:193
1376299161,12cyclictest0-21swapper/320:37:073
1376299161,12cyclictest0-21swapper/320:37:073
1376299161,12cyclictest0-21swapper/320:37:073
1376299161,10cyclictest0-21swapper/319:32:093
1376299161,10cyclictest0-21swapper/319:32:093
1376199168,4cyclictest1323-21fschecks_count20:07:082
1376199168,4cyclictest1323-21fschecks_count20:07:082
1376199161,11cyclictest22751-21awk19:37:142
1376199161,11cyclictest22751-21awk19:37:142
1376299151,12cyclictest0-21swapper/322:02:213
1376299151,12cyclictest0-21swapper/322:02:213
13762991510,3cyclictest15862chrt21:18:503
13762991510,3cyclictest15862chrt21:18:503
1376299141,8cyclictest0-21swapper/320:57:103
1376299141,8cyclictest0-21swapper/320:57:103
1376299141,8cyclictest0-21swapper/320:47:103
1376299141,8cyclictest0-21swapper/320:47:103
1376299141,11cyclictest0-21swapper/321:42:083
1376299141,11cyclictest0-21swapper/321:42:083
1376299141,11cyclictest0-21swapper/320:32:113
1376299141,10cyclictest5288-21chrt21:56:323
1376299141,10cyclictest5288-21chrt21:56:323
1376299141,10cyclictest27015-21chrt19:47:203
1376299141,10cyclictest27015-21chrt19:47:203
1376299131,10cyclictest0-21swapper/320:07:083
1376299131,10cyclictest0-21swapper/320:07:083
1376299121,9cyclictest17014-21chrt19:22:123
1376299111,8cyclictest0-21swapper/319:42:073
1376299111,8cyclictest0-21swapper/319:42:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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