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2025-11-18 - 23:04
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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 Tue Nov 18, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27262212620,10sleep027263-21/usr/sbin/munin07:05:290
281529917449,105cyclictest22645-21tr11:00:020
28152991678,104cyclictest15435-21users12:35:510
28152991658,116cyclictest11900-21apt-get10:18:170
281529916436,110cyclictest10250irq/56-4a10000007:39:530
281529916210,130cyclictest1356-21snmpd07:55:480
28152991618,114cyclictest1356-21snmpd10:01:230
28152991606,119cyclictest32206-21/usr/sbin/munin07:25:220
281529916025,115cyclictest23042-21wget11:00:170
28152991596,91cyclictest18512-21apt-get10:47:120
28152991587,96cyclictest2168-21df11:45:210
28152991587,110cyclictest13199-21apt-get08:17:060
28152991579,127cyclictest3673-21chrt09:47:090
28152991578,106cyclictest28180-21apt-get09:17:070
28152991568,108cyclictest18882-21df08:40:200
28152991568,105cyclictest14877-21/usr/sbin/munin10:30:280
28152991567,109cyclictest14377-21seq12:32:130
28152991558,106cyclictest22441-21wget08:55:130
281529915549,94cyclictest9841-21/usr/sbin/munin10:10:340
28152991538,96cyclictest10684-21apt-get08:12:070
28152991537,124cyclictest4519-21ntp_states09:50:410
281529915315,117cyclictest32274-21ntp_states11:35:420
28152991528,109cyclictest15152-21diskstats08:25:220
281529915229,81cyclictest24259-21swap09:00:480
28152991518,121cyclictest1356-21snmpd07:40:420
28152991516,126cyclictest28606-21proc_pri11:20:450
281529915135,95cyclictest1424-21nginx08:09:560
28152991509,98cyclictest20499-21fw_conntrack10:50:310
28152991509,123cyclictest1372-21lldpd07:20:410
28152991508,105cyclictest26030-21ntp_states11:10:450
28152991507,101cyclictest4856-21ntp_states11:55:470
281529915028,85cyclictest20590-21sshd08:46:080
281529915026,105cyclictest4605-21wget07:45:140
28152991498,92cyclictest10589-21munin-run12:20:040
281529914952,86cyclictest3527-21sshd11:50:350
28152991489,100cyclictest30673-21wget11:30:170
28152991488,128cyclictest1549-21irqstats09:40:340
28152991488,106cyclictest1185-21ntp_states07:30:390
28152991479,104cyclictest21723-21sendmail_mailst08:51:020
281529914737,99cyclictest14309-21users08:20:500
281529914734,89cyclictest6320-21sshd09:58:350
28152991467,87cyclictest800-21avahi-daemon10:20:470
28152991467,85cyclictest16123-21munin-node10:35:130
281529914645,87cyclictest18077-21runrttasks10:41:260
281529914642,93cyclictest29911-21latency_hist09:25:040
28152991457,95cyclictest760-21systemd-journal08:31:040
281529914540,94cyclictest11991-21aten_r7power_cu12:25:150
281529914532,101cyclictest29854-21/usr/sbin/munin07:15:390
28152991448,94cyclictest7273-21memory12:05:350
28152991448,121cyclictest24600-21diskstats11:05:280
28152991447,124cyclictest11023-21irqstats12:20:360
28152991446,119cyclictest760-21systemd-journal08:36:050
28152991446,119cyclictest5957-21/usr/sbin/munin12:00:320
28152991446,101cyclictest9440-21latency_hist08:05:020
281529914424,101cyclictest31171-21/usr/sbin/munin09:30:370
28152991439,123cyclictest32623-21diskstats09:35:230
28152991437,95cyclictest760-21systemd-journal07:50:520
28152991436,125cyclictest28880-21runrttasks09:20:190
281529914345,86cyclictest28664-21sshd07:10:450
28152991429,97cyclictest28012-21munin-run11:20:020
281529914237,93cyclictest760-21systemd-journal09:08:350
28152991418,121cyclictest678-21/usr/sbin/munin11:40:140
28152991417,99cyclictest26561-21ntp_states09:10:430
28152991417,95cyclictest1356-21snmpd10:07:360
28152991417,87cyclictest1336-21runrttasks10:25:090
281529913942,87cyclictest8961-21runrttasks12:11:580
281529913644,83cyclictest29899-21awk11:25:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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