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2026-06-12 - 10:12
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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 rack7slot8.osadl.org (updated Thu Jun 11, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7377212470,12sleep07376-21/usr/sbin/munin07:05:140
839999133110,14cyclictest0-21swapper/007:10:030
83999910842,31cyclictest15721-21cron09:45:050
83999910342,20cyclictest1276-21runrttasks11:40:550
83999910228,54cyclictest11314-21grep07:20:180
83999910033,27cyclictest1408-21nginx08:30:460
83999910031,29cyclictest1408-21nginx11:06:200
8399999915,32cyclictest15103-21/usr/sbin/munin09:40:420
8399999658,25cyclictest101ktimersoftd/008:25:390
8399999549,29cyclictest3650irq/20-4900000008:02:110
8399999522,35cyclictest28491-21cron12:40:010
8399999437,43cyclictest31807-21runrttasks08:39:000
8399999436,38cyclictest0-21swapper/009:14:550
8399999425,36cyclictest23531-21runrttasks08:05:170
8399999323,50cyclictest25511-21ifconfig12:28:160
8399999248,34cyclictest19525-21runrttasks09:57:280
8399999226,48cyclictest14241-21ntp_states07:30:370
8399999222,51cyclictest25904-21wget08:15:130
8399999148,28cyclictest3650irq/20-4900000008:55:230
8399999135,38cyclictest17526-21seq07:42:120
8399999133,41cyclictest48292chrt09:00:190
8399999131,45cyclictest101ktimersoftd/009:52:120
8399999120,35cyclictest7878-21ntp_states11:20:410
8399999049,29cyclictest10880-21aten_r7power_cu09:25:110
8399999034,18cyclictest754-21systemd-journal11:18:200
8399999025,32cyclictest1052-21df08:45:160
8399999022,48cyclictest23798-21wget10:15:160
8399999017,35cyclictest13894-21df11:45:180
8399999010,18cyclictest23607-21memory12:21:040
8399998968,9cyclictest101ktimersoftd/008:10:310
839999896,31cyclictest18226-21ntp_states12:00:430
8399998948,31cyclictest1427-21diskstats10:55:210
8399998944,31cyclictest3650irq/20-4900000011:57:130
8399998917,33cyclictest9923-21irqstats09:20:300
8399998915,34cyclictest21585-21apt-get08:00:010
8399998823,32cyclictest787-21haveged11:10:210
8399998819,34cyclictest1305-21snmpd11:25:440
8399998817,51cyclictest13460-21wget09:35:140
8399998817,36cyclictest19606-21ntp_states07:50:390
8399998743,29cyclictest3650irq/20-4900000007:45:320
8399998738,31cyclictest20772-21sshd10:02:200
8399998726,41cyclictest31053-21latency_hist10:45:040
8399998717,33cyclictest11409-21diskstats11:35:210
8399998639,31cyclictest101ktimersoftd/010:25:490
8399998616,34cyclictest1305-21snmpd11:50:530
8399998616,31cyclictest27987-21mailstats10:30:470
8399998560,11cyclictest101ktimersoftd/010:35:120
8399998539,35cyclictest19287-21runrttasks12:05:270
8399998533,16cyclictest21959-21runrttasks12:15:380
8399998517,18cyclictest15282-21df07:35:170
8399998516,33cyclictest1305-21snmpd07:17:310
8399998514,31cyclictest1408-21nginx10:50:130
8399998456,19cyclictest9142-21seq09:17:070
8399998445,28cyclictest801-21dbus-daemon08:55:000
8399998424,42cyclictest12538-21pluginstate09:30:430
327662845,11sleep00-21swapper/008:41:250
8399998353,14cyclictest10150irq/55-4a10000011:30:320
8399998316,51cyclictest23580-21latency_hist10:15:020
8399998232,31cyclictest21449-21cron12:15:000
8399998220,46cyclictest2835-21/usr/sbin/munin11:00:340
8399998217,47cyclictest6906-21seq09:09:210
8399998217,47cyclictest25665-21runrttasks10:21:310
8399998112,19cyclictest12804-21df07:25:160
8399997946,21cyclictest27289-21runrttasks08:20:180
8399997940,30cyclictest21592-21ntp_states10:05:390
8399997831,14cyclictest10250irq/56-4a10000012:31:030
8399997713,31cyclictest1305-21snmpd10:45:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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