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2026-06-30 - 18:06
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 30, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3377220321,50sleep00-21swapper/019:09:240
35169911342,33cyclictest28840-21wget22:55:310
35169911086,14cyclictest0-21swapper/019:10:040
35169910942,32cyclictest23663-21munin-run00:40:030
35169910751,42cyclictest22089-21sshd00:32:590
35169910635,51cyclictest5556-21seq19:16:410
35169910561,23cyclictest0-21swapper/021:03:160
35169910434,20cyclictest1276-21runrttasks21:27:100
35169910431,51cyclictest805-21rs:main0
35169910364,30cyclictest16962-21sshd20:03:110
35169910336,48cyclictest17145-21wget00:15:130
35169910328,34cyclictest1305-21snmpd21:33:400
35169910229,34cyclictest11167-21diskstats21:45:220
35169910130,34cyclictest11582-21wget23:55:150
35169910128,38cyclictest19945-21munin-run22:20:020
35169910128,34cyclictest13039-21ntpq21:51:080
35169910128,18cyclictest2104-21apt-cache23:17:120
35169910060,31cyclictest11782-21runrttasks19:41:280
35169910058,32cyclictest24611-21runrttasks22:37:330
35169910044,37cyclictest24642-21cron20:35:030
35169910031,50cyclictest31398-21wget23:05:190
35169910030,48cyclictest1608-21ntpd20:50:380
35169910029,36cyclictest22935-21ntp_states22:30:400
35169910028,33cyclictest20301-21/usr/sbin/munin00:26:270
35169910027,19cyclictest14279-21ps21:55:420
3516999928,33cyclictest443-21ntp_states23:10:410
3516999920,61cyclictest8688-21runrttasks23:44:490
3516999845,33cyclictest18441-21hostname00:20:130
3516999836,31cyclictest4446-21wget21:20:150
3516999832,46cyclictest30924-21runrttasks20:56:040
3516999825,35cyclictest952-21ntp_states21:05:370
3516999766,21cyclictest7457-21cron23:40:020
3516999762,25cyclictest14418-21df00:05:210
3516999744,41cyclictest15375-21apt-get00:12:110
3516999735,22cyclictest10117-21ntp_states21:40:420
3516999651,35cyclictest27947-21sh22:50:430
3516999648,36cyclictest27891-21seq20:45:330
3516999633,23cyclictest22633-21nfs_client20:25:360
3516999624,35cyclictest10074-21munin-node23:50:120
3516999623,34cyclictest9955-21latency_hist23:50:020
3516999553,33cyclictest1408-21nginx22:48:160
3516999536,44cyclictest14523-21sshd19:53:400
3516999426,53cyclictest2962-21latency_hist21:15:020
3516999425,36cyclictest16574-21fw_forwarded_lo22:05:340
351699936,34cyclictest27001-21runrttasks20:43:480
3516999342,41cyclictest3854-21apt-get21:17:060
3516999334,43cyclictest0-21swapper/020:30:060
3516999323,35cyclictest21697-21ntp_states22:25:390
3516999251,32cyclictest21220-21latency_hist22:25:020
3516999250,32cyclictest18086-21runrttasks22:10:490
3516999247,33cyclictest754-21systemd-journal23:21:400
3516999225,48cyclictest12556-21fw_conntrack19:45:250
3516999159,22cyclictest20562-21seq20:17:090
3516999146,34cyclictest10020-21chrt19:35:190
3516999139,41cyclictest5526-21ntp_states23:30:580
3516999129,20cyclictest19660-21apt20:15:000
3516999122,34cyclictest15384-21load22:00:300
3516999061,20cyclictest26193-21latency_hist22:45:020
3516999058,23cyclictest9196-21/usr/sbin/munin19:30:490
3516999037,36cyclictest14801-21/usr/sbin/munin19:55:180
3516999029,44cyclictest3927-21grep23:25:190
3516999027,47cyclictest1305-21snmpd23:03:430
3516998922,37cyclictest7979-21chrt19:25:540
3516998759,20cyclictest17366-21aten_r7power_po20:05:140
3516998656,20cyclictest787-21haveged00:04:180
3516998556,21cyclictest6630-21sendmail_mailst19:20:450
3516998439,35cyclictest8752-21chrt21:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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