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2025-05-02 - 12:35
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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 100 highest latencies:
System rack2slot7.osadl.org (updated Fri May 02, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1318794994920,3cyclictest11050irq/107-eth%d23:06:312
131879299484,31cyclictest0-21swapper/022:26:180
1318792993921,4cyclictest0-21swapper/023:22:550
131879399362,17cyclictest0-21swapper/121:41:221
131879399356,13cyclictest1431192-21awk22:31:181
1318792993515,2cyclictest1345344-21grep20:31:210
131879299331,26cyclictest0-21swapper/023:01:180
131879299331,26cyclictest0-21swapper/023:01:180
131879299330,18cyclictest11050irq/107-eth%d22:01:170
131879299328,17cyclictest2243333-21munin-node19:28:070
1318792993221,2cyclictest0-21swapper/021:16:160
1318792993213,7cyclictest0-21swapper/022:46:190
131879299321,2cyclictest1408387-21ntpq22:06:190
131879299321,16cyclictest0-21swapper/000:21:210
131879299312,20cyclictest0-21swapper/000:31:120
131879299311,29cyclictest1498963-21sed23:46:190
131879299311,24cyclictest1394250-21ntpq21:51:180
131879299310,19cyclictest1365681-21aten_r2power_cu21:21:160
131879299310,16cyclictest0-21swapper/023:53:240
112699310,3rtkit-daemon1125-21rtkit-daemon23:59:202
131879499305,12cyclictest0-21swapper/221:26:202
1318794993027,2cyclictest1341049-21fschecks_time20:21:152
1318794993026,3cyclictest1346959-21unixbench_multi20:36:202
131879299304,5cyclictest1517827-21ssh00:06:220
131879299301,22cyclictest0-21swapper/022:51:050
131879299300,6cyclictest1435766-21ntp_states22:36:180
1318792992918,7cyclictest1354180-21fschecks_time21:01:170
1318792992918,7cyclictest1354180-21fschecks_time21:01:170
1318792992916,1cyclictest1541655-21sed00:36:140
131879299281,26cyclictest1421573-21fschecks_time22:21:130
131879299281,17cyclictest0-21swapper/021:56:170
131879499274,21cyclictest1444843-21/usr/sbin/munin22:46:192
1318792992721,4cyclictest1379661-21head21:36:140
131879299272,13cyclictest0-21swapper/022:31:230
1318792992721,0cyclictest0-21swapper/023:28:290
131879399261,8cyclictest11050irq/107-eth%d00:06:141
131879299260,5cyclictest1502621-21ssh23:51:130
131879299260,21cyclictest0-21swapper/000:11:170
1318794992521,2cyclictest1421501-21cut22:21:132
131879399258,4cyclictest11050irq/107-eth%d22:41:201
1318793992518,4cyclictest1008-21mta-sts-daemon22:11:161
131879299253,19cyclictest0-21swapper/021:33:000
131879299251,16cyclictest0-21swapper/021:39:410
131879299248,4cyclictest1341157-21gltestperf20:21:160
131879299240,6cyclictest1452825-21/usr/sbin/munin22:56:210
131879499232,17cyclictest1389779-21/usr/sbin/munin21:46:202
1318794992320,2cyclictest1366054-21fschecks_time21:21:182
1318794992319,3cyclictest1375333-21gltestperf21:31:182
131879399233,15cyclictest1319415-21head19:16:141
1318792992318,4cyclictest1328876-21unixbench_multi19:41:270
131879299230,17cyclictest1468873-21true23:13:000
1318794992219,2cyclictest1459783-21munin-plugin-st23:03:002
1318794992219,2cyclictest1459783-21munin-plugin-st23:03:002
131879399223,12cyclictest11050irq/107-eth%d22:16:201
1318793992221,1cyclictest1006-21mta-sts-daemon21:53:031
1318793992215,5cyclictest1389102-21fschecks_count21:46:141
131879299228,10cyclictest0-21swapper/021:46:200
131879299220,20cyclictest0-21swapper/000:01:170
131879599215,7cyclictest0-21swapper/323:01:153
131879599215,7cyclictest0-21swapper/323:01:153
131879499211,9cyclictest1315850-1kworker/2:0H+kblockd21:03:002
1318794992118,2cyclictest1380926-21unixbench_multi21:36:242
1318794992117,1cyclictest1496122-21sendmail-msp23:43:172
1318794992110,9cyclictest0-21swapper/223:21:122
131879399213,11cyclictest1489475-21grep23:36:141
131879399213,10cyclictest11050irq/107-eth%d23:22:551
1318793992116,3cyclictest1453180-21fschecks_time22:56:131
131879299211,9cyclictest1489368-21/usr/sbin/munin23:36:130
131879299211,2cyclictest0-21swapper/022:41:170
1318792992112,2cyclictest0-21swapper/021:28:010
112699210,0rtkit-daemon0-21swapper/120:26:430
131879499206,12cyclictest122792-21ntpd23:39:312
131879499203,5cyclictest1485025-21gltestperf23:31:162
1318793992016,3cyclictest1379854-21fschecks_count21:36:161
1318793992016,3cyclictest1350859-21fschecks_count20:51:151
131879399201,1cyclictest1526333-21/usr/sbin/munin00:16:191
131879299202,10cyclictest1416644-21/usr/sbin/munin22:16:240
1318792992016,3cyclictest1495049-21unixbench_multi23:41:210
1318792992016,3cyclictest1326248-21fschecks_count19:36:120
1318792992016,3cyclictest1319383-21fschecks_time19:16:130
1318792992013,6cyclictest0-21swapper/019:46:180
131879299200,12cyclictest1470856-21/usr/sbin/munin23:16:120
112699200,1rtkit-daemon1008-21mta-sts-daemon22:04:311
1318794991916,2cyclictest0-21swapper/223:53:022
1318794991914,4cyclictest1530812-21unixbench_multi00:21:242
131879499191,12cyclictest1467834-21sed23:11:212
131879499191,11cyclictest1385614-21sed21:41:232
131879399197,6cyclictest619-21mta-sts-daemon00:27:221
131879399196,3cyclictest1472203-21unixbench_singl23:16:221
131879399192,8cyclictest11050irq/107-eth%d00:41:181
1318793991910,7cyclictest1457688-21fschecks_count23:01:141
1318793991910,7cyclictest1457688-21fschecks_count23:01:141
131879299192,11cyclictest0-21swapper/022:11:100
1318792991915,3cyclictest1350907-21cut20:51:150
131879499185,10cyclictest1487302-21ssh23:33:092
131879499183,11cyclictest1318751-21munin-run19:12:592
1318794991814,3cyclictest1535567-21cron00:28:002
1318794991811,4cyclictest0-21swapper/200:36:212
131879399189,7cyclictest1358546-21diskmemload21:31:241
131879399189,7cyclictest0-21swapper/123:56:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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