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2025-11-15 - 07:20
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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 rackeslot4.osadl.org (updated Sat Nov 15, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1502721994946,2cyclictest1751610-21fwupd22:46:460
150272499285,22cyclictest1814826-21grep23:35:281
1502724992823,4cyclictest1681642-21ssh21:50:331
150272499275,3cyclictest1732229-21ssh22:31:201
1502724992723,2cyclictest1820756-21ntpq23:40:241
1502724992722,3cyclictest1747854-21cut22:45:181
150272499272,21cyclictest1886167-21apt-get00:35:121
150273099261,23cyclictest1681142-21ntpq21:50:213
150272499265,1cyclictest17019332sleep122:10:001
150272499265,19cyclictest1668794-21ssh21:41:031
1502724992623,1cyclictest1809843-21cat23:35:011
1502724992622,3cyclictest1708206-21ls22:15:001
150272499261,23cyclictest0-21swapper/123:05:121
150272499261,21cyclictest0-21swapper/121:30:111
1502721992623,2cyclictest1839881-21sh23:55:190
1502721992623,2cyclictest1559268-21latency_hist20:05:010
1502721992619,5cyclictest1765902-21/usr/sbin/munin23:00:170
1502721992619,5cyclictest1733651-21readlink22:35:010
150273099252,20cyclictest1518226-21apt-get19:25:123
150273099252,20cyclictest1518226-21apt-get19:25:123
150273099250,5cyclictest1795527-21chrt23:21:363
150273099250,5cyclictest1657518-21cron21:35:013
150273099250,22cyclictest1784597-21ssh23:15:163
150273099250,21cyclictest1664062-21ssh21:40:123
1502724992523,1cyclictest0-21swapper/122:20:271
150272499252,2cyclictest1549122-21apt-get19:55:121
150272499252,20cyclictest1829631-21apt-get23:50:121
1502724992517,6cyclictest0-21swapper/119:55:001
150272499251,21cyclictest1538946-21apt-get19:45:161
150272499251,21cyclictest1502945-21apt-get19:10:121
1502721992520,3cyclictest1623223-21kthreadcore21:05:220
150272199251,4cyclictest1655529-21sh21:30:230
150272199251,3cyclictest1759196-21apt-get22:55:120
1502730992420,2cyclictest1610833-21apt-get20:55:133
1502730992420,2cyclictest0-21swapper/322:10:163
150273099241,2cyclictest1854786-21apt-get00:10:133
150273099241,22cyclictest1625808-21diskmemload21:13:123
150273099241,21cyclictest1676362-21dpkg21:50:013
150273099241,21cyclictest0-21swapper/300:21:143
150273099241,20cyclictest0-21swapper/323:55:083
150273099241,20cyclictest0-21swapper/320:20:023
150273099240,20cyclictest0-21swapper/319:10:133
150272799242,2cyclictest1734116-21apt-get22:35:132
150272799241,3cyclictest1683079-21munin-run21:55:002
150272799241,21cyclictest0-21swapper/222:25:172
150272799241,20cyclictest1595601-21apt-get20:40:132
150272799240,4cyclictest1635386-21ssh21:15:212
150272799240,22cyclictest1605458-21cron20:50:002
150272799240,22cyclictest1525538-21sed19:30:192
150272799240,21cyclictest0-21swapper/223:45:132
150272499244,6cyclictest1670347-21apt-get21:45:151
150272499243,18cyclictest1626132-21apt-get21:10:131
1502724992422,1cyclictest1777999-21ssh23:10:091
1502724992422,1cyclictest1763811-21ssh22:55:431
1502724992422,1cyclictest0-21swapper/122:20:011
1502724992422,1cyclictest0-21swapper/100:21:251
1502724992421,2cyclictest1802569-21ssh23:29:061
1502724992420,3cyclictest1796149-21ssh23:23:411
1502724992420,3cyclictest0-21swapper/100:12:531
1502724992420,3cyclictest0-21swapper/100:04:441
1502724992420,2cyclictest0-21swapper/121:25:131
150272499240,22cyclictest1852950-21unixbench_multi00:05:271
150272499240,22cyclictest1852950-21unixbench_multi00:05:261
150272499240,20cyclictest1835912-21ssh23:55:121
150272499240,20cyclictest1529198-21kworker/1:2+events21:20:191
1502721992420,3cyclictest1695910-21apt-get22:05:120
1502721992419,3cyclictest1861081-21apt-get00:15:130
150272199240,23cyclictest1714504-21latency_hist22:20:000
1502730992319,3cyclictest1719698-21taskset22:21:393
1502730992319,2cyclictest1848505-21ssh00:05:143
1502730992319,2cyclictest1848505-21ssh00:05:133
1502730992319,2cyclictest0-21swapper/322:40:143
1502730992318,4cyclictest1587677-21sed20:30:173
150273099231,2cyclictest1721070-21apt-get22:25:123
150273099231,2cyclictest1625808-21diskmemload23:05:573
150273099231,2cyclictest0-21swapper/300:30:253
150273099231,21cyclictest1771297-21ssh23:04:393
150273099231,20cyclictest1625808-21diskmemload22:31:213
150273099230,3cyclictest1750719-21ntpq22:45:233
150273099230,21cyclictest1695423-21ssh22:04:263
150273099230,21cyclictest1625808-21diskmemload22:17:393
150273099230,20cyclictest0-21swapper/321:20:163
150273099230,20cyclictest0-21swapper/319:40:123
150273099230,20cyclictest0-21swapper/300:00:023
150273099230,19cyclictest0-21swapper/300:35:063
1502727992319,3cyclictest1778272-21tune2fs23:10:152
1502727992318,4cyclictest1784946-21ssh23:15:182
1502727992318,3cyclictest1591011-21ps20:35:182
1502727992317,4cyclictest1813481-21cut23:35:202
150272799231,2cyclictest1625808-21diskmemload23:22:542
150272799231,2cyclictest1549609-21grep19:55:162
150272799231,21cyclictest1625808-21diskmemload23:57:222
150272799231,21cyclictest1625808-21diskmemload21:14:412
150272799231,19cyclictest0-21swapper/222:45:082
150272799230,22cyclictest64-21kcompactd023:28:282
150272799230,22cyclictest1717544-21grep22:20:162
150272799230,21cyclictest1867061-21ls00:20:002
150272799230,21cyclictest1625808-21diskmemload22:19:172
150272799230,20cyclictest1625808-21diskmemload00:00:112
150272799230,20cyclictest0-21swapper/220:55:122
150272499234,18cyclictest1625808-21diskmemload23:01:371
150272499233,1cyclictest1625808-21diskmemload22:00:041
1502724992321,1cyclictest1866498-21ssh00:18:161
1502724992321,1cyclictest1625808-21diskmemload21:17:021
1502724992321,1cyclictest0-21swapper/121:35:101
1502724992320,2cyclictest0-21swapper/122:26:181
1502724992320,2cyclictest0-21swapper/100:32:151
1502724992320,1cyclictest0-21swapper/119:20:131
1502724992319,3cyclictest0-21swapper/122:54:451
150272499231,3cyclictest1599985-21head20:40:251
150272499231,3cyclictest0-21swapper/120:05:011
150272499231,2cyclictest1580369-21apt-get20:25:131
150272499231,21cyclictest1625808-21diskmemload22:35:081
150272499230,21cyclictest1784327-21ssh23:15:131
150272499230,20cyclictest1625808-21diskmemload23:45:051
1502721992320,2cyclictest1600661-21apt-get20:45:160
1502721992319,3cyclictest1855080-21fw_forwarded_lo00:10:160
1502721992319,2cyclictest1714788-21apt-get22:20:120
1502721992319,2cyclictest1625808-21diskmemload21:15:100
1502721992318,3cyclictest1758874-21awk22:55:010
150272199231,2cyclictest1775742-21ntpq23:05:240
150272199231,2cyclictest1625808-21diskmemload23:43:420
150272199231,2cyclictest1625808-21diskmemload23:19:500
150272199231,2cyclictest1625808-21diskmemload21:42:340
150272199231,21cyclictest1781922-21/usr/sbin/munin23:10:200
150272199231,21cyclictest1689636-21apt-get22:00:120
150272199231,21cyclictest1645321-21apt-get21:25:120
150272199231,21cyclictest0-21swapper/022:35:140
150272199230,21cyclictest1848458-21ssh00:05:110
150272199230,21cyclictest1848458-21ssh00:05:100
150272199230,21cyclictest1625808-21diskmemload21:54:060
150272199230,21cyclictest0-21swapper/000:20:120
150272199230,20cyclictest0-21swapper/019:50:120
1502730992219,1cyclictest1625808-21diskmemload21:26:593
1502730992218,3cyclictest521-21systemd-logind19:25:003
1502730992217,3cyclictest1508519-21ps19:15:163
150273099221,2cyclictest64-21kcompactd019:35:033
150273099221,2cyclictest1625808-21diskmemload23:46:593
150273099221,2cyclictest1625808-21diskmemload00:16:383
150273099221,20cyclictest1625808-21diskmemload21:18:323
150273099221,20cyclictest0-21swapper/323:50:213
150273099221,20cyclictest0-21swapper/322:51:523
150273099221,20cyclictest0-21swapper/321:09:083
150273099221,1cyclictest0-21swapper/320:05:003
150273099220,3cyclictest1761439-21kthreadcore22:55:183
150273099220,2cyclictest1625808-21diskmemload21:57:253
150273099220,21cyclictest1822049-21ssh23:43:133
150273099220,21cyclictest1812440-21ssh23:35:203
150273099220,21cyclictest1738643-21grep22:35:253
150273099220,20cyclictest1801637-21ssh23:26:013
150273099220,20cyclictest1625808-21diskmemload21:35:083
150273099220,20cyclictest0-21swapper/323:30:543
150273099220,20cyclictest0-21swapper/322:05:173
150273099220,19cyclictest0-21swapper/300:25:113
1502727992219,2cyclictest1808756-21ssh23:32:232
1502727992219,2cyclictest1732614-21ssh22:32:342
1502727992219,2cyclictest1625808-21diskmemload21:20:522
1502727992219,2cyclictest0-21swapper/221:44:362
1502727992218,3cyclictest1757937-21ssh22:52:002
1502727992217,3cyclictest1762531-21kthreadcore22:55:192
1502727992217,3cyclictest0-21swapper/221:09:592
150272799221,2cyclictest1873631-21apt-get00:25:142
150272799221,20cyclictest1625808-21diskmemload00:22:152
150272799221,20cyclictest0-21swapper/223:04:502
150272799221,1cyclictest0-21swapper/223:40:222
150272799221,1cyclictest0-21swapper/219:15:122
150272799221,1cyclictest0-21swapper/200:06:332
150272799221,1cyclictest0-21swapper/200:06:332
150272799220,3cyclictest1625808-21diskmemload22:10:332
150272799220,3cyclictest1625808-21diskmemload00:32:312
150272799220,2cyclictest1889318-21cut00:35:182
150272799220,2cyclictest1657519-21cron21:35:012
150272799220,2cyclictest1625808-21diskmemload22:42:322
150272799220,2cyclictest1625808-21diskmemload22:09:342
150272799220,21cyclictest1854951-21diskstats00:10:152
150272799220,21cyclictest1647097-21ssh21:25:182
150272799220,21cyclictest1625808-21diskmemload23:05:322
150272799220,20cyclictest0-21swapper/220:10:122
150272499223,7cyclictest1530527-21grep19:35:181
1502724992220,1cyclictest1625808-21diskmemload22:42:061
1502724992217,2cyclictest0-21swapper/100:25:141
150272499221,1cyclictest0-21swapper/120:08:551
150272499220,21cyclictest0-21swapper/121:55:591
150272499220,19cyclictest0-21swapper/120:45:171
1502721992219,2cyclictest1625808-21diskmemload23:36:390
1502721992219,2cyclictest1625808-21diskmemload23:23:070
1502721992219,2cyclictest1625808-21diskmemload21:56:060
1502721992219,2cyclictest0-21swapper/020:05:150
1502721992219,2cyclictest0-21swapper/000:25:170
1502721992219,1cyclictest0-21swapper/021:46:160
1502721992218,3cyclictest1625808-21diskmemload21:39:230
1502721992215,5cyclictest683-21runrttasks00:35:200
150272199221,2cyclictest1829631-21apt-get23:50:120
150272199221,20cyclictest1625808-21diskmemload23:25:200
150272199221,20cyclictest1575313-21apt-get20:20:120
150272199221,20cyclictest1565251-21ps20:10:160
150272199221,20cyclictest1528808-21apt-get19:35:120
150272199221,19cyclictest1625808-21diskmemload00:30:480
150272199221,19cyclictest0-21swapper/023:46:120
150272199220,3cyclictest1632294-21latency_hist21:15:000
150272199220,20cyclictest1625808-21diskmemload23:31:210
150272199220,20cyclictest0-21swapper/020:30:120
150272199220,19cyclictest64-21kcompactd022:25:010
1502730992119,1cyclictest0-21swapper/323:10:063
1502730992118,2cyclictest1615913-21apt-get21:00:133
1502730992118,2cyclictest1595324-21cron20:40:003
1502730992117,2cyclictest1581321-21kthreadcore20:25:173
150273099210,20cyclictest0-21swapper/319:53:523
150273099210,19cyclictest0-21swapper/320:05:023
150273099210,19cyclictest0-21swapper/319:45:163
1502727992119,1cyclictest1661794-21ssh21:35:222
1502727992119,1cyclictest0-21swapper/220:05:152
1502727992119,1cyclictest0-21swapper/219:25:212
1502727992119,1cyclictest0-21swapper/219:25:212
1502727992119,1cyclictest0-21swapper/219:20:142
1502727992118,2cyclictest0-21swapper/220:15:122
150272799211,1cyclictest0-21swapper/219:40:222
150272799210,2cyclictest0-21swapper/221:55:122
150272799210,20cyclictest1829640-21ssh23:50:122
150272799210,19cyclictest0-21swapper/221:45:122
150272499215,11cyclictest1580163-21cat20:25:011
150272499214,7cyclictest1569076-21unixbench_multi20:10:241
150272499214,6cyclictest1619281-21tr21:00:201
1502724992119,1cyclictest0-21swapper/119:25:121
1502724992119,1cyclictest0-21swapper/119:25:121
1502724992118,2cyclictest1610564-21cron20:54:591
1502724992118,2cyclictest0-21swapper/120:55:131
1502724992116,4cyclictest1508025-21taskset19:15:111
150272499210,20cyclictest1528286-21sed19:35:001
1502721992119,1cyclictest1569832-21apt-get20:15:120
1502721992119,1cyclictest0-21swapper/020:35:140
1502721992118,2cyclictest1620720-21cron21:04:590
150272199210,2cyclictest1744970-21ssh22:40:380
150272199210,20cyclictest0-21swapper/021:20:250
150272199210,20cyclictest0-21swapper/020:25:120
150272199210,20cyclictest0-21swapper/019:56:010
1502730992015,3cyclictest1549610-21irqcore19:55:163
150273099200,1cyclictest0-21swapper/320:40:123
150273099200,1cyclictest0-21swapper/320:10:113
1502727992018,1cyclictest64-21kcompactd019:14:142
1502727992018,1cyclictest0-21swapper/221:00:132
1502727992018,1cyclictest0-21swapper/219:54:242
150272499202,6cyclictest1625197-21timerandwakeup21:05:281
1502724992018,1cyclictest0-21swapper/120:30:131
150272499201,19cyclictest0-21swapper/120:17:001
150272499200,1cyclictest0-21swapper/120:35:141
150272499200,19cyclictest0-21swapper/119:44:111
1502721992018,1cyclictest0-21swapper/020:55:410
150272199200,19cyclictest0-21swapper/019:45:160
1502727991918,1cyclictest0-21swapper/220:05:002
1502727991917,1cyclictest0-21swapper/220:31:312
150272799190,18cyclictest0-21swapper/219:45:202
1502721991916,2cyclictest64-21kcompactd020:53:000
150272199190,18cyclictest1518710-21ps19:25:160
150272199190,18cyclictest1518710-21ps19:25:160
1502727991816,1cyclictest0-21swapper/220:50:122
1502727991815,2cyclictest1575641-21gltestperf20:20:152
1502721991816,1cyclictest1600394-21munin-run20:45:000
1502721991714,2cyclictest245621450irq/127-enp0s29f1:rx-019:44:450
1502721991714,2cyclictest1503442-21ps19:10:170
1502721991713,3cyclictest1517493-21unixbench_multi19:20:270
1502730991614,1cyclictest0-21swapper/320:50:123
1502727991614,1cyclictest0-21swapper/219:35:132
1502721991614,1cyclictest0-21swapper/019:30:140
1502721991613,2cyclictest245622250irq/128-enp0s29f1:tx-019:15:110
150273099149,3cyclictest1574647-21https20:20:003
1502730991410,2cyclictest0-21swapper/319:30:163
150272799148,5cyclictest1-21systemd20:30:002
150273099139,2cyclictest0-21swapper/320:45:203
150272499136,5cyclictest1502726-21latency_hist19:09:591
15027279975,1cyclictest0-21swapper/219:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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