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2025-12-09 - 09:56
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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 highest latencies:
System rack9slot4.osadl.org (updated Tue Dec 09, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170751303283sleep0-21swapper/100:09:441
173019912534cyclictest0-21swapper/002:45:320
173019912534cyclictest0-21swapper/002:45:320
173019912040cyclictest26253-21ssh02:15:310
173019911243cyclictest19637-21latency_hist03:00:010
173019911239cyclictest480-21systemd-journal02:20:270
173019911139cyclictest12867-21latency_hist01:39:590
173019911139cyclictest12867-21latency_hist01:39:590
173019911132cyclictest29739-21latency_hist00:49:570
173019910942cyclictest304-21snmpd05:15:420
173019910933cyclictest28439-21sh03:14:330
16982110974sleep0-21swapper/000:09:370
173019910736cyclictest8911-21ps02:40:380
173019910729cyclictest9781-21latency_hist01:29:580
173019910633cyclictest11232-21/usr/sbin/munin03:40:390
173019910626cyclictest326-21runrttasks00:44:440
173019910537cyclictest23007-21latency_hist04:00:030
173019910534cyclictest22324-21ssh04:52:010
173019910531cyclictest25271-21sh04:03:000
173019910531cyclictest25271-21sh04:03:000
173019910444cyclictest17542-21diskstats03:50:240
173019910437cyclictest24411-21ssh02:12:420
173019910333cyclictest5741-21memory02:35:320
173019910325cyclictest0-21swapper/003:47:040
173019910138cyclictest15408-21ntp_states01:45:310
173019910038cyclictest2830-21ssh02:30:320
173019910035cyclictest30893-21sh04:12:000
173019910033cyclictest8474-21ssh04:30:030
173019910031cyclictest6635-21latency_hist01:19:580
173019910030cyclictest26559-21/usr/sbin/munin05:00:440
173019910030cyclictest0-21swapper/004:30:040
173019910027cyclictest0-21swapper/000:20:260
17301999830cyclictest2128-21latency_hist03:25:020
17301999829cyclictest27029-21sort04:05:350
17301999733cyclictest13021-21open_inodes05:30:430
17301999729cyclictest32248-21tr00:55:270
17301999630cyclictest5078-21latency_hist01:14:590
17301999627cyclictest0-21swapper/000:10:230
17301999527cyclictest22633-21latency_hist03:05:020
17301999524cyclictest74-21mmcqd/004:45:040
17301999429cyclictest1733-21latency_hist02:30:000
17301999428cyclictest0-21swapper/003:05:390
17301999331cyclictest0-21swapper/001:34:590
17301999236cyclictest23896-21df_inode00:30:140
17301999234cyclictest74-21mmcqd/003:15:180
17301999231cyclictest0-21swapper/001:44:580
17301999229cyclictest2508-21latency_hist04:20:030
17301999222cyclictest0-21swapper/004:50:050
17301999221cyclictest22225-21diskmemload05:10:050
17301999139cyclictest4688-21ssh04:22:460
17301999131cyclictest22798-21latency00:25:220
17301999128cyclictest0-21swapper/002:53:580
1730199908cyclictest0-21swapper/001:05:280
17301999033cyclictest2209-21ssh03:25:020
17301998926cyclictest19150-21latency_hist01:59:590
1730199878cyclictest0-21swapper/001:20:290
17301998728cyclictest326-21runrttasks05:36:460
17301998629cyclictest326-21runrttasks00:39:440
17301998628cyclictest20070-21/usr/sbin/munin02:00:310
17301998618cyclictest25048-21rm04:56:160
17301998541cyclictest22225-21diskmemload05:20:170
1730199848cyclictest0-21swapper/004:35:350
1730199837cyclictest0-21swapper/000:51:540
17301998358cyclictest0-21swapper/003:30:360
17301998340cyclictest9034-21/usr/sbin/munin05:25:270
17301998335cyclictest16473-21fschecks_count01:50:190
17301998331cyclictest0-21swapper/005:11:400
17301998231cyclictest0-21swapper/001:01:190
17301998230cyclictest0-21swapper/003:37:240
17301998117cyclictest20386-21latency_hist00:19:560
17313998030cyclictest21619-21grep00:20:331
1731399794cyclictest18570-21/usr/sbin/munin01:55:371
17313997932cyclictest480-21systemd-journal03:03:281
17313997931cyclictest28601-21crond03:15:021
17313997931cyclictest11571-21forks03:40:221
17313997919cyclictest5113-21cstates02:35:161
17301997925cyclictest0-21swapper/002:04:590
17313997827cyclictest3329-21sh03:25:401
17313997826cyclictest3381-21if_eth004:20:301
17313997733cyclictest12056-21unixbench_multi02:45:421
17313997733cyclictest12056-21unixbench_multi02:45:421
1731399773cyclictest22916-21/usr/sbin/munin03:05:141
1731399773cyclictest21065-21diskstats02:05:191
1731399773cyclictest17675-21memory02:55:311
1731399764cyclictest25716-21/usr/sbin/munin00:35:191
17313997632cyclictest15083-21cut05:35:181
1731399763cyclictest3231-21/usr/sbin/munin01:05:381
1731399763cyclictest32103-21/usr/sbin/munin02:25:281
1731399763cyclictest25792-21/usr/sbin/munin03:10:461
1731399763cyclictest20203-21/usr/sbin/munin02:00:371
1731399763cyclictest18612-21ssh03:51:021
1731399763cyclictest10274-21/usr/sbin/munin01:30:181
1731399754cyclictest29122-21/usr/sbin/munin00:45:251
1731399754cyclictest18782-21/usr/sbin/munin04:45:451
1731399753cyclictest9457-21latency04:30:331
1731399753cyclictest9293-21/usr/sbin/munin01:25:351
1731399753cyclictest7039-21/usr/sbin/munin01:20:161
1731399753cyclictest24682-21/usr/sbin/munin04:55:431
1731399753cyclictest15628-21/usr/sbin/munin04:40:411
17313997529cyclictest26171-21/usr/sbin/munin04:05:181
17313997526cyclictest3772-21if_eth005:15:331
17313997526cyclictest32380-21cstates04:15:191
1731399749cyclictest0-21swapper/102:30:291
1731399744cyclictest8564-21df_inode03:35:211
1731399744cyclictest23475-21df_inode04:00:191
1731399744cyclictest23475-21df_inode04:00:191
1731399744cyclictest22238-21/usr/sbin/munin00:25:091
1731399744cyclictest14762-21/usr/sbin/munin02:50:331
1731399743cyclictest32687-21/usr/sbin/munin03:20:341
1731399743cyclictest30150-21/usr/sbin/munin04:10:401
1731399743cyclictest23121-21/usr/sbin/munin02:10:291
1731399743cyclictest20514-21df_inode03:55:231
1731399743cyclictest19845-21/usr/sbin/munin00:15:321
1731399743cyclictest16208-21/usr/sbin/munin01:50:121
1731399743cyclictest14652-21tune2fs03:45:241
1731399743cyclictest1390-21/usr/sbin/munin01:00:301
1731399743cyclictest13850-21ntp_states01:40:291
1731399743cyclictest12864-21memory05:30:371
1731399735cyclictest30512-21/usr/sbin/munin05:05:391
1731399734cyclictest30606-21/usr/sbin/munin00:50:231
1731399733cyclictest6781-21/usr/sbin/munin05:20:321
1731399733cyclictest5952-21/usr/sbin/munin01:15:251
1731399733cyclictest4178-21/usr/sbin/munin01:10:211
1731399733cyclictest28966-21ssh02:20:261
1731399733cyclictest12371-21irqstats04:35:311
1731399733cyclictest1211-21/usr/sbin/munin05:10:461
1731399733cyclictest12081-21/usr/sbin/munin01:35:231
1731399733cyclictest12081-21/usr/sbin/munin01:35:231
1731399724cyclictest9725-21/usr/sbin/munin05:25:331
1731399724cyclictest5670-21/usr/sbin/munin04:25:481
1731399724cyclictest24495-21/usr/sbin/munin00:30:301
1731399724cyclictest20937-21fschecks_count04:50:261
1731399723cyclictest5567-21/usr/sbin/munin03:30:201
1731399723cyclictest25424-21aten_r9power_cu02:15:121
1731399723cyclictest18482-21/usr/sbin/munin00:10:361
17313997211cyclictest0-21swapper/102:40:011
1731399713cyclictest31447-21/usr/sbin/munin00:55:091
1731399713cyclictest27056-21grep05:00:271
17313997113cyclictest27407-21/usr/sbin/munin00:40:231
17313997110cyclictest0-21swapper/101:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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