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2026-07-04 - 07:56
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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