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2026-09-07 - 18:27
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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 Mon Sep 07, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11158211930,10sleep011157-21/usr/sbin/munin07:05:140
121819915073,37cyclictest27478-21apt-get10:17:090
121819914670,20cyclictest17146-21ntp_states09:35:420
121819914565,39cyclictest5391-21apt-get11:02:130
121819914259,24cyclictest12530-21apt-get09:17:100
121819914168,20cyclictest8136-21df09:00:250
121819914166,37cyclictest1305-21snmpd09:20:170
121819914165,23cyclictest24119-21ntp_states12:10:420
121819914072,52cyclictest29735-21runrttasks10:25:460
121819914071,27cyclictest735-21fw_forwarded_lo10:40:290
121819914062,37cyclictest12176-21wget11:25:140
121819913968,34cyclictest13886-21ntp_states07:15:380
121819913966,34cyclictest1305-21snmpd08:35:010
121819913873,23cyclictest16082-21cmp11:40:150
121819913869,51cyclictest16258-21/usr/sbin/munin07:25:280
121819913866,36cyclictest7197-21chrt08:57:230
121819913864,21cyclictest19943-21sshd09:46:230
121819913764,51cyclictest27208-21/usr/sbin/munin08:10:360
121819913669,48cyclictest1285-21lldpd11:39:160
121819913667,51cyclictest1111-21/usr/sbin/munin08:35:120
121819913666,50cyclictest30770-21ntp_states12:35:480
121819913559,37cyclictest20648-21users11:56:180
121819913475,39cyclictest7341-21runrttasks11:05:190
121819913472,22cyclictest10706-21df09:10:180
121819913471,22cyclictest13587-21df_inode11:30:210
121819913467,51cyclictest362-21munin-run10:40:020
121819913467,46cyclictest9689-21wget11:15:150
121819913467,44cyclictest27904-21ntp_states12:25:420
121819913466,33cyclictest15172-21ntp_states07:20:410
121819913463,34cyclictest1777-21/usr/sbin/munin10:45:420
121819913462,37cyclictest25764-21apt-get12:17:040
121819913461,21cyclictest25701-21fw_conntrack10:10:250
121819913458,38cyclictest25967-21/usr/sbin/munin08:05:280
121819913383,39cyclictest22104-21ntpq09:55:370
121819913373,40cyclictest754-21systemd-journal09:40:180
121819913367,47cyclictest17609-21runrttasks11:45:190
121819913366,48cyclictest26494-21fw_conntrack12:20:240
121819913363,29cyclictest30843-21ntp_states10:30:380
121819913277,41cyclictest20723-21fw_conntrack09:50:250
121819913274,45cyclictest29920-21apt-get12:32:140
121819913272,20cyclictest15070-21sshd09:27:170
121819913265,47cyclictest5218-21wget08:50:180
121819913171,40cyclictest23290-21irqstats10:00:310
121819913164,33cyclictest18878-21ntp_states07:35:390
121819913164,25cyclictest24964-21fw_conntrack08:00:260
121819913160,35cyclictest1305-21snmpd08:24:580
121819913160,34cyclictest9305-21wget09:05:140
121819913061,55cyclictest23966-1kworker/0:0H10:05:320
121819913060,50cyclictest19140-21ntp_states11:50:390
121819913060,34cyclictest16201-21sshd09:31:220
121819913059,34cyclictest22368-21latency_hist12:05:030
121819912978,40cyclictest5418-21http11:00:050
121819912963,30cyclictest1305-21snmpd10:20:450
121819912870,37cyclictest23665-21sshd07:55:180
121819912859,33cyclictest3059-21ntp_states08:40:410
121819912856,34cyclictest28502-21aten_r7power_en08:15:120
121819912767,21cyclictest1305-21snmpd07:10:180
121819912761,48cyclictest4824-21sshd08:48:180
121819912664,45cyclictest20268-21find07:40:440
121819912664,22cyclictest17250-21/usr/sbin/munin07:30:310
121819912657,34cyclictest22418-21df07:50:170
121819912576,39cyclictest31164-21chrt08:25:190
121819912565,20cyclictest22487-21/usr/sbin/munin12:05:360
121819912560,44cyclictest4145-21latency_hist10:55:040
121819912474,39cyclictest21301-21memory07:45:320
121819912472,39cyclictest8578-21df11:10:180
121819912374,38cyclictest11482-21tr11:21:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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