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2026-06-16 - 21:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Tue Jun 16, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169811121710,3sleep30-21swapper/307:10:163
1697336993027,2cyclictest1809016-21latency_hist08:40:011
1697336993023,2cyclictest67250irq/126-eno109:20:011
1697336992613,3cyclictest274-21systemd-journal10:35:031
1697335992517,7cyclictest1246-21mta-sts-daemon11:50:190
1697336992416,3cyclictest2025847-21kthreadcore11:10:201
1697336992320,2cyclictest2081979-21apt-config11:50:011
1697336992320,2cyclictest1926869-21cron10:05:011
1697336992315,3cyclictest1864440-21kthreadcore09:20:231
169733699229,3cyclictest0-21swapper/109:55:131
1697336992219,2cyclictest0-21swapper/111:35:011
1697336992213,2cyclictest67250irq/126-eno109:45:501
1697336992212,5cyclictest1778659-21latency_hist08:15:001
1697336992211,6cyclictest1912157-21munin-run09:55:001
1697336992211,3cyclictest0-21swapper/110:10:031
1697336992210,7cyclictest0-21swapper/111:05:011
1697335992214,4cyclictest2127431-21tail12:20:160
1697335992210,7cyclictest0-21swapper/010:25:270
169733699217,5cyclictest1754339-21perf07:55:001
1697336992117,3cyclictest1731597-21kthreadcore07:35:211
1697336992111,3cyclictest2090302-21cstates11:55:161
1697336992111,2cyclictest1703461-21systemd07:15:011
169733599219,5cyclictest1791249-21tail08:25:140
169733599219,4cyclictest1840100-21tail09:05:150
169733599219,4cyclictest1840100-21tail09:05:150
1697335992118,2cyclictest2059858-21apt-key11:35:010
1697335992118,2cyclictest1883461-21fschecks_time09:35:180
1697335992118,2cyclictest1860565-21systemd-run09:20:020
1697335992114,6cyclictest1986199-21aten_repower_en10:45:140
1697335992112,8cyclictest1965161-21irqrtprio10:30:180
1697335992110,6cyclictest0-21swapper/012:10:270
169733599210,3cyclictest2043383-21awk11:20:300
169733699209,3cyclictest1237-21mta-sts-daemon09:28:591
169733699205,5cyclictest2098255-21sed12:00:181
1697336992017,2cyclictest660-21dbus-daemon08:55:011
1697336992017,2cyclictest2126771-21aten_repower_fr12:20:131
1697336992017,2cyclictest1890365-21/usr/sbin/munin09:40:031
1697336992017,2cyclictest1742137-21cron07:45:001
1697336992017,2cyclictest0-21swapper/112:35:021
1697336992017,2cyclictest0-21swapper/112:35:021
1697336992016,3cyclictest2038659-21gltestperf11:20:181
169733599208,5cyclictest2152211-21kthreadcore12:35:230
169733599201,7cyclictest2052383-21ssh11:30:010
1697335992017,2cyclictest2015267-21apt-key11:05:010
1697335992017,2cyclictest1897417-21latency_hist09:45:020
1697335992013,6cyclictest0-21swapper/011:15:010
1697335992012,7cyclictest0-21swapper/009:50:130
1697335992011,8cyclictest1809457-21aten2.4-expect08:40:140
1697335992010,6cyclictest1863647-21kthreadcore09:20:230
1697335992010,5cyclictest0-21swapper/010:06:400
492398190,6rtkit-daemon675-21mta-sts-daemon09:42:061
3153891190,1ptp4l0-21swapper/311:35:193
3153791190,2phc2sys0-21swapper/310:41:413
3153791190,2phc2sys0-21swapper/310:35:283
169733699198,6cyclictest0-21swapper/110:54:281
169733699198,6cyclictest0-21swapper/110:54:281
169733699198,6cyclictest0-21swapper/110:48:401
1697336991916,2cyclictest1934797-21aten_repower_vo10:10:161
1697336991916,2cyclictest0-21swapper/111:45:011
1697336991915,3cyclictest2137659-21kthreadcore12:25:231
1697336991915,3cyclictest2002242-21kthreadcore10:55:201
1697336991915,3cyclictest1954560-21wc10:20:281
1697336991915,3cyclictest1814272-21ptp4l-jitter08:40:251
1697336991915,3cyclictest1763534-21kthreadcore08:00:211
1697336991913,2cyclictest67250irq/126-eno109:10:181
169733599199,4cyclictest2068984-21kthreadcore11:40:220
169733599197,7cyclictest2076277-21sed11:45:190
169733599197,7cyclictest1912629-21aten2.4-expect09:55:140
169733599196,5cyclictest660-21dbus-daemon08:00:010
1697335991916,2cyclictest765-1atopacctd08:45:260
1697335991916,2cyclictest1-21systemd10:40:030
1697335991911,7cyclictest0-21swapper/011:55:140
1697335991911,7cyclictest0-21swapper/010:40:200
1697335991911,7cyclictest0-21swapper/009:30:260
169733599190,5cyclictest2147177-21ssh12:31:380
169733599190,5cyclictest2147177-21ssh12:31:380
3153791180,2phc2sys0-21swapper/309:20:533
1697337991816,1cyclictest0-21swapper/211:00:022
1697337991816,1cyclictest0-21swapper/208:55:012
1697337991815,1cyclictest0-21swapper/212:00:012
1697337991815,1cyclictest0-21swapper/210:42:432
1697337991815,1cyclictest0-21swapper/209:30:012
169733699187,6cyclictest0-21swapper/112:37:591
1697336991815,2cyclictest2119647-21cpuspeed_turbos12:15:151
1697336991815,2cyclictest2067227-21systemctl11:40:011
1697336991815,2cyclictest1834605-21gltestperf09:00:171
1697336991815,2cyclictest1712180-21aten_repower_vo07:20:151
1697336991815,2cyclictest0-21swapper/108:20:001
1697336991814,3cyclictest1767952-21irqrtprio08:05:211
1697336991814,2cyclictest1729968-21latency_hist07:35:021
169733699180,5cyclictest1-21systemd08:25:011
169733599189,5cyclictest0-21swapper/012:16:400
169733599189,5cyclictest0-21swapper/010:21:390
169733599188,5cyclictest0-21swapper/012:04:160
169733599186,5cyclictest0-21swapper/012:30:010
169733599186,3cyclictest1823876-21tr08:50:210
169733599184,4cyclictest1747073-21grep07:45:210
169733599183,7cyclictest0-21swapper/011:15:210
1697335991815,2cyclictest765-1atopacctd10:10:280
1697335991815,2cyclictest2006227-21unixbench_multi10:55:270
1697335991815,2cyclictest1853081-21sh09:15:010
3153791170,3phc2sys0-21swapper/311:30:583
3153791170,2phc2sys0-21swapper/312:25:283
3153791170,2phc2sys0-21swapper/310:13:523
3153791170,1phc2sys0-21swapper/311:02:493
1697337991714,1cyclictest0-21swapper/210:15:142
1697337991714,1cyclictest0-21swapper/210:05:212
1697337991711,1cyclictest0-21swapper/208:15:012
1697336991714,2cyclictest2112140-21aten_repower_po12:10:151
1697336991714,2cyclictest1755486-21if_enp1s0.807:55:181
1697336991714,2cyclictest0-21swapper/110:35:011
1697336991713,2cyclictest1882631-21latency_hist09:35:011
169733599179,2cyclictest0-21swapper/010:16:440
169733599177,2cyclictest191rcu_preempt10:53:000
169733599177,2cyclictest191rcu_preempt10:53:000
169733599176,6cyclictest0-21swapper/010:04:400
169733599171,6cyclictest2109724-21systemctl12:05:250
1697335991714,2cyclictest2067395-21/usr/sbin/munin11:40:020
1697335991714,2cyclictest1875081-21cron09:30:000
1697335991714,2cyclictest0-21swapper/009:50:020
1697335991714,2cyclictest0-21swapper/007:15:030
169733599170,7cyclictest2016550-21head11:05:170
3153791161,1phc2sys0-21swapper/309:49:273
3153791160,3phc2sys0-21swapper/309:57:573
3153791160,2phc2sys0-21swapper/312:31:193
3153791160,2phc2sys0-21swapper/312:31:193
3153791160,2phc2sys0-21swapper/311:06:423
3153791160,2phc2sys0-21swapper/308:20:223
3153791160,2phc2sys0-21swapper/307:45:403
19864462160,1sleep20-21swapper/210:45:152
1697337991614,1cyclictest0-21swapper/211:00:152
1697337991614,1cyclictest0-21swapper/208:45:022
1697337991613,1cyclictest0-21swapper/211:50:282
1697337991613,1cyclictest0-21swapper/211:40:282
1697337991612,2cyclictest0-21swapper/211:15:562
1697336991613,2cyclictest765-1atopacctd08:25:211
1697336991613,2cyclictest1981618-21kthreadcore10:40:231
1697336991613,2cyclictest1833594-21latency_hist09:00:031
1697336991613,2cyclictest0-21swapper/109:10:011
1697336991613,2cyclictest0-21swapper/109:10:011
169733699160,2cyclictest1802994-21basename08:35:011
169733599165,6cyclictest1736251-21munin-run07:40:020
169733599164,4cyclictest1739183-21kthreadcore07:40:220
169733599163,4cyclictest16-21ksoftirqd/008:15:140
1697335991610,5cyclictest1712174-21aten2.4-expect07:20:150
3153791150,2phc2sys0-21swapper/309:53:363
3153791150,1phc2sys0-21swapper/312:24:493
3153791150,1phc2sys0-21swapper/310:16:043
1697337991513,1cyclictest0-21swapper/208:25:012
1697337991512,1cyclictest0-21swapper/212:10:012
1697337991512,1cyclictest0-21swapper/212:00:202
1697337991512,1cyclictest0-21swapper/211:45:122
1697337991512,1cyclictest0-21swapper/211:40:032
1697337991512,1cyclictest0-21swapper/211:25:142
1697337991512,1cyclictest0-21swapper/211:05:192
1697337991512,1cyclictest0-21swapper/210:10:262
1697337991512,1cyclictest0-21swapper/209:55:472
1697337991512,1cyclictest0-21swapper/209:39:072
1697337991512,1cyclictest0-21swapper/209:15:152
1697337991512,1cyclictest0-21swapper/209:10:222
1697337991512,1cyclictest0-21swapper/207:25:012
1697337991512,1cyclictest0-21swapper/207:20:012
1697337991511,2cyclictest0-21swapper/212:26:432
169733699157,3cyclictest0-21swapper/110:30:021
169733699155,2cyclictest67250irq/126-eno110:19:231
169733699154,4cyclictest1718179-21aten2.4-expect07:25:151
169733699154,2cyclictest67250irq/126-eno107:45:201
1697336991512,2cyclictest2087817-21timerandwakeup11:50:281
1697336991512,2cyclictest1697333-21cyclictest07:15:191
1697336991511,3cyclictest2034938-21kthreadcore11:15:221
1697336991511,3cyclictest1246-21mta-sts-daemon11:08:561
1697336991510,2cyclictest1242-21mta-sts-daemon12:05:111
169733599159,5cyclictest1834008-21telnet09:00:140
169733599158,6cyclictest0-21swapper/007:50:150
169733599153,5cyclictest1827957-21aten2.4-expect08:55:140
169733599153,5cyclictest1803400-21aten2.4-expect08:35:150
1697335991512,2cyclictest1797376-21aten_repower_vo08:30:150
1697335991512,2cyclictest1773141-21cpuspeed_turbos08:10:150
1697335991512,2cyclictest1722371-21kthreadcore07:25:220
169733599150,8cyclictest1705878-21if_enp1s007:15:040
3153791140,2phc2sys0-21swapper/312:19:083
3153791140,2phc2sys0-21swapper/311:50:313
3153791140,2phc2sys0-21swapper/311:29:173
3153791140,2phc2sys0-21swapper/310:54:283
3153791140,2phc2sys0-21swapper/310:54:283
3153791140,2phc2sys0-21swapper/310:29:193
3153791140,2phc2sys0-21swapper/310:06:513
169733799141,5cyclictest0-21swapper/212:15:142
1697337991412,1cyclictest0-21swapper/209:05:012
1697337991411,1cyclictest0-21swapper/211:10:132
1697337991411,1cyclictest0-21swapper/210:36:402
1697337991411,1cyclictest0-21swapper/210:30:232
1697337991411,1cyclictest0-21swapper/210:26:122
1697337991411,1cyclictest0-21swapper/210:21:562
1697337991411,1cyclictest0-21swapper/209:46:152
1697337991411,1cyclictest0-21swapper/209:40:212
1697337991411,1cyclictest0-21swapper/209:20:212
1697337991411,1cyclictest0-21swapper/209:00:032
1697337991411,1cyclictest0-21swapper/208:30:022
1697337991411,1cyclictest0-21swapper/208:00:182
1697337991411,1cyclictest0-21swapper/207:25:192
1697337991411,1cyclictest0-21swapper/207:10:152
1697336991411,2cyclictest2048698-21kthreadcore11:25:211
1697336991410,3cyclictest1820458-21switchtime08:45:251
169733599141,2cyclictest1760739-21apt-get08:00:140
1697335991411,2cyclictest693-21systemd-logind07:35:020
1697335991411,2cyclictest1770737-21kthreadcore08:05:230
169733599140,3cyclictest1786158-21irqcore08:20:190
3153791130,3phc2sys0-21swapper/309:00:133
3153791130,2phc2sys0-21swapper/312:12:513
3153791130,2phc2sys0-21swapper/311:49:103
3153791130,2phc2sys0-21swapper/311:41:543
3153791130,2phc2sys0-21swapper/311:21:213
3153791130,2phc2sys0-21swapper/310:47:223
3153791130,2phc2sys0-21swapper/308:18:503
3153791130,1phc2sys0-21swapper/311:18:523
169733799138,1cyclictest0-21swapper/207:50:022
169733799131,7cyclictest0-21swapper/208:05:152
1697337991311,1cyclictest0-21swapper/212:35:222
1697337991311,1cyclictest0-21swapper/212:30:202
1697337991311,1cyclictest0-21swapper/212:30:202
1697337991311,1cyclictest0-21swapper/209:30:102
1697337991311,1cyclictest0-21swapper/208:31:152
1697337991310,1cyclictest0-21swapper/212:10:222
1697337991310,1cyclictest0-21swapper/211:30:162
1697337991310,1cyclictest0-21swapper/211:20:162
1697337991310,1cyclictest0-21swapper/210:50:202
1697337991310,1cyclictest0-21swapper/210:50:202
1697337991310,1cyclictest0-21swapper/210:00:312
1697337991310,1cyclictest0-21swapper/208:35:232
1697337991310,1cyclictest0-21swapper/208:15:192
1697337991310,1cyclictest0-21swapper/207:55:202
1697337991310,1cyclictest0-21swapper/207:50:202
1697337991310,1cyclictest0-21swapper/207:40:022
3153791122,2phc2sys0-21swapper/310:03:143
3153791121,2phc2sys0-21swapper/308:40:173
3153791120,2phc2sys0-21swapper/312:02:383
3153791120,2phc2sys0-21swapper/311:58:553
3153791120,2phc2sys0-21swapper/309:19:043
3153791120,2phc2sys0-21swapper/308:36:253
3153791120,2phc2sys0-21swapper/308:27:183
3153791120,2phc2sys0-21swapper/308:13:393
3153791120,2phc2sys0-21swapper/307:31:453
3153791120,2phc2sys0-21swapper/307:27:213
3153791120,1phc2sys0-21swapper/308:50:593
169733799129,1cyclictest0-21swapper/209:50:132
1697337991210,1cyclictest0-21swapper/212:20:032
1697337991210,1cyclictest0-21swapper/209:05:272
1697337991210,1cyclictest0-21swapper/209:05:272
169733699129,1cyclictest0-21swapper/107:10:021
3153791111,4phc2sys0-21swapper/307:20:143
3153791111,2phc2sys0-21swapper/311:10:273
3153791110,2phc2sys0-21swapper/312:39:213
3153791110,2phc2sys0-21swapper/309:41:173
3153791110,2phc2sys0-21swapper/308:30:283
3153791110,2phc2sys0-21swapper/307:55:133
3153791110,1phc2sys0-21swapper/309:39:443
3153791110,1phc2sys0-21swapper/308:06:473
3153791110,1phc2sys0-21swapper/308:04:313
3153791110,1phc2sys0-21swapper/307:43:503
20077822110,2sleep30-21swapper/310:59:563
169733799119,1cyclictest0-21swapper/208:45:212
169733799119,1cyclictest0-21swapper/207:40:112
169733799119,1cyclictest0-21swapper/207:33:012
169733599118,2cyclictest0-21swapper/007:10:010
3153791102,2phc2sys0-21swapper/309:10:023
3153791102,2phc2sys0-21swapper/309:10:023
3153791101,3phc2sys0-21swapper/310:24:263
3153791101,2phc2sys0-21swapper/309:30:153
3153791101,2phc2sys0-21swapper/309:10:153
3153791100,3phc2sys0-21swapper/310:33:183
3153791100,2phc2sys0-21swapper/312:07:263
3153791100,2phc2sys0-21swapper/309:25:503
3153791100,2phc2sys0-21swapper/307:05:133
315379191,3phc2sys0-21swapper/307:50:163
315379191,2phc2sys0-21swapper/307:15:143
315379190,2phc2sys0-21swapper/308:55:243
315379190,2phc2sys0-21swapper/308:45:063
315379190,2phc2sys0-21swapper/307:35:183
16973379991,5cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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