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2026-08-09 - 11:47
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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 all highest latencies:
System rack7slot8.osadl.org (updated Sat Aug 08, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1169026940,7sleep011691-21/usr/sbin/munin07:05:270
125419916740,109cyclictest10250irq/56-4a10000007:59:420
12541991666,106cyclictest7353-21diskstats08:55:260
12541991637,138cyclictest1699-21runrttasks08:32:120
12541991617,97cyclictest28611-21apt-get10:18:180
125419916142,103cyclictest10250irq/56-4a10000012:01:470
12541991609,129cyclictest17050-21sshd11:40:150
125419916018,120cyclictest22018-21https09:55:060
12541991598,92cyclictest24961-21apt-get08:02:110
12541991589,105cyclictest13491-21diskstats11:25:260
12541991578,112cyclictest12325-21df_inode09:15:220
12541991578,100cyclictest21554-21df_inode07:45:190
12541991577,92cyclictest7775-21apt-get11:07:090
12541991569,112cyclictest19982-21apt07:40:010
12541991559,103cyclictest12242-21diskstats11:20:240
12541991558,110cyclictest29907-21ntp_states12:30:570
125419915510,109cyclictest22980-21ntpq09:56:260
12541991548,125cyclictest1305-21snmpd10:20:510
12541991547,106cyclictest14634-21apt-get07:17:060
12541991538,124cyclictest2180-21aten_r7power_cu08:35:130
12541991536,90cyclictest16754-21ntp_states07:25:370
125419915310,104cyclictest22804-21diskstats07:50:230
12541991528,108cyclictest27341-21apt-get10:15:040
125419915224,110cyclictest14568-21wget11:30:130
125419915223,112cyclictest1408-21nginx12:35:400
125419915130,104cyclictest10250irq/56-4a10000008:19:440
125419915113,117cyclictest21129-21ntpq11:55:420
12541991508,124cyclictest31711-21/usr/sbin/munin08:25:290
12541991508,104cyclictest30557-21wget08:20:140
125419915040,99cyclictest43942chrt10:50:280
125419915027,110cyclictest5476-21aten_r7power_po10:55:150
12541991499,120cyclictest1408-21nginx11:15:190
12541991498,108cyclictest8514-21wget09:00:160
12541991497,119cyclictest2069-21ntp_states10:40:410
125419914941,89cyclictest10150irq/55-4a10000011:36:300
125419914934,103cyclictest801-21dbus-daemon09:40:010
125419914911,98cyclictest30559-21diskstats10:25:230
12541991488,102cyclictest562-21df_inode10:35:210
12541991486,122cyclictest20304-21chrt07:40:170
12541991486,102cyclictest13746-21/usr/sbin/munin09:20:360
125419914826,110cyclictest26509-21apt-get12:17:120
125419914815,113cyclictest4747-21wget08:45:160
12541991478,107cyclictest10192-21/usr/sbin/munin09:05:480
12541991477,123cyclictest24324-21sshd12:09:520
12541991477,119cyclictest1305-21snmpd09:10:210
125419914737,99cyclictest754-21systemd-journal10:35:010
125419914722,110cyclictest18281-21wget11:45:130
125419914710,95cyclictest12853-21fw_conntrack07:10:250
12541991468,99cyclictest3100-21df10:45:170
12541991468,97cyclictest20101-21users11:50:500
12541991458,99cyclictest1305-21snmpd10:05:440
12541991457,97cyclictest18410-21tr09:40:120
125419914430,94cyclictest15898-21cut09:30:140
125419914426,107cyclictest15224-21grep07:20:140
12541991437,120cyclictest28210-21cut12:25:040
125419914338,93cyclictest20357-21seq09:46:470
125419914338,93cyclictest1305-21snmpd12:10:180
12541991429,93cyclictest6135-21fw_forwarded_lo08:50:270
12541991428,123cyclictest1305-21snmpd10:00:420
12541991418,120cyclictest1305-21snmpd08:10:000
12541991418,119cyclictest1305-21snmpd08:15:020
12541991418,118cyclictest9905-21ntp_states11:10:410
125419914137,94cyclictest18018-21sshd07:30:420
12541991408,120cyclictest1305-21snmpd09:25:260
125419914032,97cyclictest6655-21cat11:00:120
125419914020,98cyclictest787-21haveged08:41:140
12541991378,117cyclictest28460-21df12:25:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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