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2026-06-13 - 15:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Sat Jun 13, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17635224042216,136sleep00-21swapper07:03:180
178469917221,124cyclictest4377-21apt-get10:30:110
178469917020,123cyclictest17979-21apt-get09:35:150
178469917020,107cyclictest23108-21apt-get09:50:140
178469916915,126cyclictest929-21/usr/sbin/munin10:21:370
178469916618,109cyclictest6992-21df_inode09:00:320
178469916614,126cyclictest7858-21apt-get12:15:140
178469916519,104cyclictest20323-21ntp_states09:41:280
178469916517,123cyclictest12971-21apt-get12:30:120
178469916517,122cyclictest28244-21apt-get10:05:200
178469916420,118cyclictest32634-21users10:16:460
178469916418,120cyclictest24904-21apt-get11:30:170
178469916418,101cyclictest11213-21apt-get10:50:130
178469916417,122cyclictest26551-21apt-get10:00:100
178469916417,121cyclictest26623-21apt-get11:35:170
178469916414,125cyclictest21504-21apt-get11:20:220
178469916413,109cyclictest29951-21/usr/sbin/munin10:10:040
178469916412,126cyclictest28325-21/usr/sbin/munin11:40:280
178469916319,99cyclictest9509-21apt-get10:45:160
178469916319,114cyclictest31059-21apt-get08:15:100
178469916319,101cyclictest9565-21apt-get12:20:120
178469916318,101cyclictest4416-21/usr/sbin/munin12:06:500
178469916316,123cyclictest2657-21apt-get10:25:130
178469916315,106cyclictest12937-21apt-get10:55:200
178469916314,125cyclictest30022-21apt-get11:45:120
178469916217,122cyclictest7809-21apt-get10:40:180
178469916216,121cyclictest6133-21apt-get12:10:200
178469916215,122cyclictest987-21apt-get11:55:100
178469916213,125cyclictest7710-21latency_hist10:39:580
178469916117,120cyclictest3072-21df_inode12:00:500
178469916116,99cyclictest18508-21irqstats11:11:040
178469916115,123cyclictest16780-21memory09:31:200
178469916114,105cyclictest10298-21users09:11:440
178469916113,126cyclictest14915-21fw_conntrack09:25:580
178469916018,121cyclictest7684-21ssh09:05:240
178469916018,101cyclictest13204-21fw_conntrack09:20:580
178469916015,122cyclictest19790-21apt-get11:15:100
178469916014,124cyclictest15431-21sort11:01:350
178469916014,102cyclictest18884-21munin-node07:09:590
178469916013,121cyclictest11295-21ssh12:25:180
17846991599,126cyclictest28595-21snmpd08:55:250
178469915931,105cyclictest0-21swapper11:27:260
178469915919,100cyclictest16347-21apt-get11:05:120
178469915916,119cyclictest11454-21df_inode09:15:500
178469915915,118cyclictest3119-21apt-get08:40:120
178469915913,123cyclictest21394-21/usr/sbin/munin09:46:000
178469915912,122cyclictest32630-21grep11:51:390
178469915817,116cyclictest24841-21apt-get09:55:130
178469915812,123cyclictest4003-21/usr/sbin/munin08:45:180
178469915711,122cyclictest4903-21/usr/sbin/munin08:50:220
178469915619,111cyclictest22040-21apt-get07:25:050
178469915618,97cyclictest23853-21apt-get07:35:100
178469915617,96cyclictest26537-21apt-get07:50:070
178469915614,116cyclictest28757-21memory08:00:440
178469915518,112cyclictest2220-21apt-get08:35:130
178469915517,96cyclictest1286-21apt08:30:040
178469915512,118cyclictest29281-21/usr/sbin/munin08:05:150
178469915416,113cyclictest21152-21apt-get07:20:100
178469915412,101cyclictest30945-21munin-run08:14:550
178469915317,111cyclictest25638-21apt-get07:45:100
178469915315,114cyclictest342-21wc08:24:570
178469915314,116cyclictest28061-21cat07:55:580
178469915313,120cyclictest20014-21wc07:11:190
178469915228,105cyclictest22997-21aten_r5power_en07:30:160
178469915214,101cyclictest20313-21tr07:15:160
178469915112,117cyclictest1079-21timerwakeupswit08:25:590
178469914818,104cyclictest24752-21apt-get07:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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