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2026-05-12 - 22:01
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Tue May 12, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21194223972170,173sleep00-21swapper07:01:440
225139910417,47cyclictest7263-21fw_conntrack12:02:260
225139910330,44cyclictest0-21swapper10:44:180
225139910317,49cyclictest15767-21ssh12:27:130
225139910316,66cyclictest28709-21ssh11:30:350
225139910314,66cyclictest15526-21ssh10:52:120
225139910228,64cyclictest0-21swapper10:48:350
225139910217,21cyclictest10573-21df12:12:110
225139910118,63cyclictest10098-21apt-get10:36:440
225139910116,25cyclictest1981-21df11:47:080
225139910113,68cyclictest14219-21uname12:22:380
225139910018,61cyclictest13855-21/usr/sbin/munin09:12:500
225139910017,23cyclictest17676-21users09:23:160
225139910016,65cyclictest12434-21fw_packets12:17:290
225139910016,64cyclictest25679-21ssh09:47:200
225139910015,46cyclictest30772-21/usr/sbin/munin11:36:540
225139910013,68cyclictest15080-21ssh09:16:550
225139910013,26cyclictest8333-21latency_hist10:31:310
2251399999,67cyclictest19453-21ssh09:28:330
22513999927,56cyclictest0-21swapper10:04:350
22513999918,43cyclictest19625-21users11:03:140
22513999917,44cyclictest29943-21users11:33:140
22513999916,22cyclictest28644-21munin-run09:56:260
22513999913,50cyclictest8381-21ssh10:31:400
2251399989,47cyclictest3714-21ssh11:52:110
22513999828,54cyclictest3774-21missed_timers10:17:480
22513999818,62cyclictest20395-21apt-get11:06:520
22513999817,62cyclictest17420-21irqstats10:57:360
22513999817,59cyclictest21760-21munin-run09:36:270
22513999815,21cyclictest22272-21fw_conntrack09:37:230
22513999814,44cyclictest2481-21cat08:16:300
22513999814,22cyclictest8963-21fw_conntrack12:07:240
22513999812,27cyclictest18756-21ssh12:36:250
22513999731,49cyclictest0-21swapper09:59:570
22513999716,23cyclictest12962-21ssh09:10:350
22513999715,62cyclictest22464-21df_inode11:12:170
22513999715,61cyclictest23889-21df09:42:100
22513999715,43cyclictest24035-21munin-run07:16:270
22513999714,22cyclictest1817-21df_inode10:12:180
22513999713,46cyclictest5878-21users10:23:140
22513999711,65cyclictest32452-21dpkg11:41:360
22513999618,21cyclictest26516-21zcat07:27:280
22513999615,60cyclictest23015-21memory07:07:160
2251399959,24cyclictest5694-21memory11:57:450
2251399959,22cyclictest29536-21/usr/sbin/munin07:47:380
22513999531,49cyclictest0-21swapper10:10:070
22513999515,43cyclictest7806-21munin-run08:46:260
22513999512,25cyclictest28595-21snmpd08:48:260
22513999511,63cyclictest26487-21sed11:23:110
22513999433,23cyclictest27445-21wc07:32:280
22513999417,57cyclictest24313-21irqstats11:17:390
22513999317,57cyclictest10902-21fw_conntrack09:02:020
22513999214,59cyclictest24232-21grep07:16:490
22513999117,25cyclictest10004-21fw_conntrack08:57:040
22513999116,24cyclictest28652-21apt-get07:41:410
22513998913,28cyclictest2977-21/usr/sbin/munin08:17:180
22513998911,58cyclictest4893-21fgrep08:27:270
22513998817,23cyclictest573-21munin-run08:06:260
22513998815,25cyclictest1471-21sshd08:11:020
22513998814,27cyclictest5248-21/usr/sbin/munin08:31:460
22513998812,56cyclictest31016-21grep07:52:250
22513998718,23cyclictest27956-21df07:36:540
22513998716,24cyclictest25455-21memory07:22:160
22513998716,22cyclictest31688-21irqstats07:57:100
22513998619,25cyclictest6455-21irqstats08:37:080
22513998616,22cyclictest3757-21irqstats08:22:110
22513998514,22cyclictest9073-21df_inode08:52:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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