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2025-05-02 - 12:23
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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 rack9slot4.osadl.org (updated Fri May 02, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3752114073sleep0-21swapper/112:25:161
38399912046cyclictest4797-21sshd12:25:510
38399911945cyclictest20914-21latency_hist13:20:180
38399911839cyclictest16251-21latency_hist13:05:190
38399911640cyclictest4686-21fschecks_count15:55:430
38399911541cyclictest25578-21latency_hist13:35:190
38399911443cyclictest31297-21proc_pri13:51:150
38399911238cyclictest32205-21latency_hist17:25:250
38399911143cyclictest18333-21/usr/sbin/munin16:40:430
38399911031cyclictest26766-21ntp_states15:20:560
38399910943cyclictest16458-21latency_hist14:50:210
38399910941cyclictest900-21latency_hist14:00:200
38399910841cyclictest19047-21unixbench_singl13:11:190
38399910838cyclictest31434-21sshd15:35:560
38399910835cyclictest1-21systemd16:10:580
38399910637cyclictest26725-21if_eth017:05:530
38399910636cyclictest480-21systemd-journal17:51:010
38399910631cyclictest2455-21latency_hist14:05:200
38399910534cyclictest8907-21latency_hist16:10:240
38399910532cyclictest21337-21wc16:50:250
3685110570sleep0-21swapper/012:25:140
38399910438cyclictest14342-21runrttasks14:41:010
38399910437cyclictest304-21snmpd16:20:430
38399910436cyclictest7126-21latency_hist14:20:200
38399910432cyclictest1340-21latency_hist17:30:260
38399910341cyclictest11995-21latency_hist16:20:240
38399910241cyclictest22469-21latency_hist13:25:190
38399910237cyclictest18215-21latency_hist16:40:240
38399910235cyclictest15104-21latency_hist16:30:250
38399910034cyclictest29405-21cpuspeed17:15:390
3839999941cyclictest4221-21latency_hist15:55:230
3839999941cyclictest4221-21latency_hist15:55:230
3839999939cyclictest16661-21latency_hist16:35:240
3839999939cyclictest16661-21latency_hist16:35:240
3839999930cyclictest21123-21latency_hist15:05:220
3839999834cyclictest15563-21kworker/u4:215:45:560
3839999830cyclictest27660-21/usr/sbin/munin17:10:490
383999967cyclictest0-21swapper/016:55:380
3839999631cyclictest11793-21latency_hist14:35:210
3839999630cyclictest10293-21latency_hist14:30:210
3839999533cyclictest24554-21/usr/sbin/munin17:00:390
3839999439cyclictest13945-21sshd12:55:520
3839999435cyclictest8476-21latency_hist12:40:170
3839999327cyclictest28690-21latency_hist13:45:200
3839999228cyclictest16476-21aten_r9power_vo13:05:320
383999916cyclictest0-21swapper/015:33:270
383999916cyclictest0-21swapper/015:33:270
383999909cyclictest0-21swapper/014:58:000
3839999034cyclictest326-21runrttasks15:26:280
3844998935cyclictest12697-21sshd14:35:551
3844998917cyclictest0-21swapper/113:38:191
384499873cyclictest25695-21unixbench_singl17:01:261
384499873cyclictest24814-21kernelversion13:30:481
383999877cyclictest0-21swapper/016:00:230
3839998741cyclictest326-21runrttasks12:42:490
3839998727cyclictest3160-21if_err_can014:05:470
3839998669cyclictest7244-21/usr/sbin/munin14:20:490
3839998634cyclictest74-21mmcqd/015:15:220
3839998634cyclictest74-21mmcqd/015:15:220
384499853cyclictest16442-21sshd16:31:581
384499853cyclictest16442-21sshd16:31:581
383999853cyclictest1106-21latency_hist15:45:230
384499849cyclictest0-21swapper/117:45:511
384499844cyclictest21773-21cut15:05:451
384499844cyclictest19330-21sshd13:14:531
3844998423cyclictest31784-21sshd15:36:561
3839998443cyclictest480-21systemd-journal15:06:550
3839998442cyclictest6179-21basename17:45:390
3839998442cyclictest12982-21ls14:36:240
3839998439cyclictest4614-21fschecks_time14:10:450
384499838cyclictest0-21swapper/116:56:221
384499834cyclictest20540-21ntpq15:00:541
3844998331cyclictest30510-21grep15:35:231
3844998331cyclictest30510-21grep15:35:231
384499833cyclictest9180-21cat12:40:421
384499833cyclictest8933-21sshd17:53:011
384499833cyclictest20738-21runrttasks13:17:331
384499833cyclictest14214-21idleruntime16:25:471
384499833cyclictest10434-21chrt12:45:361
3844998319cyclictest0-21swapper/115:46:211
3839998342cyclictest22613-21aten2.4-expect13:25:330
3839998342cyclictest1753-21fschecks_count17:30:450
384499828cyclictest0-21swapper/114:31:171
384499825cyclictest30633-21runrttasks13:50:351
384499824cyclictest15805-21processes13:01:181
3844998230cyclictest7791-21sort14:20:451
3844998223cyclictest0-21swapper/116:50:451
3839998241cyclictest5447-21awk17:41:200
3839998239cyclictest6271-21missed_timers12:30:470
3839998237cyclictest29802-21rt-features13:46:160
384499818cyclictest0-21swapper/117:15:251
384499818cyclictest0-21swapper/115:10:361
384499818cyclictest0-21swapper/115:10:361
384499814cyclictest32115-21sort13:55:391
384499814cyclictest27450-21sshd17:08:591
384499814cyclictest23256-21/usr/sbin/munin13:25:481
384499813cyclictest25910-21aten_r9power_cu15:20:361
384499813cyclictest18013-21sh14:55:211
384499813cyclictest18013-21sh14:55:211
383999818cyclictest0-21swapper/015:15:260
3839998141cyclictest2984-21/usr/sbin/munin17:35:590
3839998139cyclictest12217-21perl12:50:390
3839998129cyclictest10890-21latency12:45:450
384499808cyclictest0-21swapper/115:55:451
384499808cyclictest0-21swapper/114:05:421
384499804cyclictest9657-21/usr/sbin/munin16:10:491
384499804cyclictest29891-21unixbench_multi13:46:181
384499804cyclictest27728-21chrt15:25:361
3844998032cyclictest13312-21basename12:55:371
3844998030cyclictest9294-21fschecks_time14:25:451
3844998030cyclictest2968-21sort17:35:261
384499803cyclictest8566-21unixbench_singl16:06:231
384499803cyclictest4568-21head17:40:381
3844998022cyclictest0-21swapper/115:15:461
3839998018cyclictest0-21swapper/016:51:280
384499798cyclictest28082-21ntp_kernel_err13:40:511
384499798cyclictest0-21swapper/116:02:111
384499793cyclictest539-21sshd15:40:571
384499793cyclictest12309-21sort16:20:391
3844997917cyclictest0-21swapper/117:35:261
3839997929cyclictest74-21mmcqd/014:50:250
3839997929cyclictest74-21mmcqd/014:50:250
384499788cyclictest0-21swapper/112:50:391
384499785cyclictest4517-21if_err_can012:25:421
3844997832cyclictest6787-21unixbench_multi14:16:231
384499783cyclictest304-21snmpd16:48:141
384499783cyclictest29386-21cpu17:15:391
3839997841cyclictest304-21snmpd13:37:010
384499779cyclictest0-21swapper/114:55:551
384499779cyclictest0-21swapper/114:45:531
384499778cyclictest0-21swapper/117:25:571
384499778cyclictest0-21swapper/117:20:551
384499778cyclictest0-21swapper/114:40:531
384499778cyclictest0-21swapper/112:35:471
384499774cyclictest6648-21/usr/sbin/munin12:31:171
384499774cyclictest4845-21wc14:10:511
384499773cyclictest11707-21unixbench_singl16:16:231
3844997721cyclictest16393-21aten_r9power_cu13:05:311
3844997715cyclictest332-21ntpd15:50:541
3844997715cyclictest332-21ntpd15:50:541
3844997713cyclictest19185-21ntp_offset16:40:551
3844997616cyclictest0-21swapper/113:24:471
384499759cyclictest0-21swapper/116:35:441
384499754cyclictest1091-21aten_r9power_po14:00:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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