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2026-05-27 - 10:07
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2.osadl.org (updated Wed May 27, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14638579910089,8cyclictest53-21kswapd021:45:100
1463857999134,42cyclictest1463854-21awk19:10:000
146385799885,27cyclictest1619262-21apt-get23:30:170
1463857998642,38cyclictest1465098-21modprobe19:14:590
1463858998274,6cyclictest1474135-21kworker/u4:10+events_unbound20:24:591
146385799785,71cyclictest0-21swapper/022:30:250
1463857997646,27cyclictest37-21kcompactd022:20:200
1463857997560,10cyclictest1562725-21ntpq22:25:350
1463857997543,29cyclictest1586517-21kworker/u4:12-rpciod22:55:400
1463857997530,5cyclictest0-21swapper/000:05:360
1463857997466,5cyclictest1466370-21kworker/u4:12+events_unbound19:31:390
1463858997262,6cyclictest1672673-21fschecks_count00:30:211
1463857997239,30cyclictest53-21kswapd023:05:120
1463857997134,5cyclictest1534988-21latency_hist21:55:020
1463857997131,5cyclictest1509071-21diskmemload21:25:230
1463857997060,6cyclictest1463792-21kworker/u4:4+events_unbound19:25:010
1463857997038,30cyclictest1463856-21cyclictest20:50:200
1463857997035,31cyclictest1659199-21/usr/sbin/munin00:15:160
1463857997032,4cyclictest0-21swapper/023:49:590
1463857997031,6cyclictest1610790-21fschecks_time23:20:200
1463857996934,31cyclictest0-21swapper/023:50:330
1463857996933,33cyclictest1481511-21switchtime20:15:370
1463857996832,5cyclictest1621062-21kworker/u4:8-xprtiod23:35:300
1463857996831,7cyclictest1468857-21unixbench_multi19:25:360
1463857996831,5cyclictest0-21swapper/020:45:360
1463857996829,7cyclictest0-21swapper/000:27:290
1463857996829,6cyclictest0-21swapper/022:15:100
1463857996828,6cyclictest0-21swapper/000:35:360
1463857996826,8cyclictest0-21swapper/021:35:180
146385799681,60cyclictest1540385-21ssh22:00:260
1463858996759,6cyclictest1519715-21kworker/u4:0+events_unbound22:00:011
1463857996630,6cyclictest0-21swapper/000:30:230
1463857996629,6cyclictest1486086-21fschecks_count20:35:200
1463857996629,6cyclictest0-21swapper/021:20:000
1463857996628,33cyclictest0-21swapper/022:10:360
146385799661,31cyclictest1494914-21apt-get21:10:130
1463857996529,7cyclictest1483352-21aten_r7power_en20:25:150
1463857996529,6cyclictest0-21swapper/021:55:370
1463857996529,5cyclictest0-21swapper/000:02:280
146385799646,13cyclictest1595301-21ssh23:02:300
1463857996435,26cyclictest1617245-21kworker/u4:2-rpciod23:40:290
1463857996435,26cyclictest1617245-21kworker/u4:2-rpciod23:40:290
1463857996424,11cyclictest0-21swapper/019:45:190
1463857996230,4cyclictest1544520-21fschecks_time22:05:170
1463858996153,6cyclictest1571088-21fschecks_time22:35:191
1463858996153,6cyclictest1571088-21fschecks_time22:35:181
1463857996156,3cyclictest1510558-21kworker/u4:18+events_unbound21:31:590
1463857996154,5cyclictest1474136-21kworker/u4:11+events_unbound20:01:450
146385799615,21cyclictest1658338-21ssh00:14:260
1463858996050,6cyclictest37-21kcompactd022:43:181
1463857996029,5cyclictest0-21swapper/021:20:440
1463857995930,5cyclictest1663427-21/usr/sbin/munin00:20:200
1463857995919,9cyclictest1472776-21kworker/u4:5-xprtiod19:55:020
1463857995827,6cyclictest0-21swapper/022:35:340
1463857995827,6cyclictest0-21swapper/022:35:330
1463858995520,20cyclictest0-21swapper/123:00:181
1463857995545,7cyclictest1615038-21/usr/sbin/munin23:25:170
1463857995543,7cyclictest1487311-21df20:40:170
1463858995447,5cyclictest1509443-21sendmail_mailqu21:25:381
1463858995343,8cyclictest53-21kswapd022:10:321
1463858995245,5cyclictest1645472-21sendmail00:00:011
1463858995218,20cyclictest0-21swapper/100:20:241
1463857995245,5cyclictest1584816-21ssh22:50:350
1463857995144,5cyclictest1645479-21ssh00:00:010
1463857995142,7cyclictest1608402-21systemd23:17:220
1463858995043,5cyclictest1624820-21timerwakeupswit23:35:441
1463858995043,5cyclictest1610582-21cpu23:20:161
1463858995043,5cyclictest1492048-21sendmail21:00:001
1463858995042,5cyclictest1526358-21apt-key21:45:031
1463858995042,5cyclictest1480966-21grep20:15:181
1463857995026,19cyclictest0-21swapper/019:20:010
1463857995024,7cyclictest0-21swapper/022:45:380
1463858994943,4cyclictest1652722-21sshd00:07:341
1463858994942,5cyclictest1618933-21apt-get23:30:001
1463858994942,5cyclictest1531886-21sendmail_mailqu21:50:441
1463858994940,7cyclictest1490842-21latency_hist20:55:001
1463858994842,4cyclictest1654920-21fschecks_count00:10:201
1463858994841,5cyclictest1676901-21aten_r7power_vo00:35:171
1463858994840,6cyclictest1636689-21latency_hist23:50:011
1463858994840,6cyclictest1494567-21systemd21:06:541
1463858994813,25cyclictest0-21swapper/121:30:351
1463857994840,6cyclictest1526176-21apt21:45:010
1463857994838,6cyclictest1483102-21modprobe20:25:000
1463857994835,8cyclictest1485646-21kworker/u4:220:35:000
1463858994740,5cyclictest1544900-21ntp_offset22:05:281
1463858994739,6cyclictest1546117-21kworker/u4:7+rpciod22:15:221
1463857994738,7cyclictest1579241-21munin-plugin-st22:45:000
146385899464,39cyclictest1602436-21ssh23:10:351
1463858994639,5cyclictest1669096-21unixbench-2d00:25:381
1463858994639,5cyclictest1597341-21wget23:05:201
1463858994639,5cyclictest1566364-21aten_r7power_en22:30:151
1463858994639,5cyclictest1557552-21aten_r7power_en22:20:181
1463858994635,9cyclictest1579868-21fschecks_count22:45:191
1463858994634,7cyclictest1645748-21dpkg00:00:131
1463857994627,16cyclictest0-21swapper/020:59:590
1463858994537,6cyclictest1464747-21sendmail_mailqu19:10:361
1463858994535,8cyclictest1473951-21timerwakeupswit19:45:461
1463858994534,7cyclictest0-21swapper/122:55:281
1463857994535,6cyclictest1572414-21kworker/u4:1-rpciod23:10:370
1463858994438,5cyclictest1472776-21kworker/u4:5+events_unbound20:06:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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