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2026-07-14 - 19:43
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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 Jul 14, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190078721110,2sleep30-21swapper/311:16:193
166053421110,2sleep20-21swapper/208:26:252
187212921030,2sleep30-21swapper/310:56:273
19049942990,1sleep20-21swapper/211:16:262
18540302730,1sleep11854029-21ssh10:41:381
1565251993122,8cyclictest1795527-21apt-config10:05:011
1565251993116,10cyclictest1719194-21kthreadcore09:11:251
1565250993126,4cyclictest664-21dbus-daemon11:45:010
15982252300,1sleep10-21swapper/107:36:191
1565251992617,2cyclictest1571543-21cut07:15:021
1565251992510,3cyclictest0-21swapper/111:40:021
1565251992421,2cyclictest1023401-1atop09:10:011
1565250992314,5cyclictest1799333-21kthreadcore10:06:240
1157598230,4rtkit-daemon1306-21mta-sts-daemon07:14:580
1565251992215,3cyclictest1886709-21irqcore11:06:231
1565251992215,3cyclictest1886709-21irqcore11:06:231
1565251992212,4cyclictest1306-21mta-sts-daemon10:16:261
1565251992210,2cyclictest0-21swapper/111:50:011
1565250992111,5cyclictest0-21swapper/010:45:020
1565250992110,6cyclictest0-21swapper/012:16:040
1565252992017,1cyclictest0-21swapper/212:05:012
1565251992017,2cyclictest1841382-21tr10:36:181
1565251992017,2cyclictest1728964-21grep09:20:031
156525099209,6cyclictest0-21swapper/009:41:250
156525099209,6cyclictest0-21swapper/009:41:250
1565250992017,2cyclictest1966605-21/usr/sbin/munin12:00:010
1565250992017,2cyclictest0-21swapper/011:15:010
1565250992010,5cyclictest0-21swapper/009:16:280
18377212190,3sleep30-21swapper/310:31:263
1565252991917,0cyclictest0-21swapper/211:50:012
1565251991916,2cyclictest664-21dbus-daemon12:35:031
1565251991916,2cyclictest664-21dbus-daemon12:35:031
1565251991911,4cyclictest1830313-21kthreadcore10:26:261
156525099198,6cyclictest0-21swapper/010:26:180
1565250991916,2cyclictest684-21systemd-logind07:55:010
1565250991916,2cyclictest664-21dbus-daemon10:55:020
1565250991916,2cyclictest1907170-21dump-pmu-power11:20:000
1565250991916,2cyclictest1610455-21cut07:45:030
1565250991914,3cyclictest1-21systemd09:47:210
1565250991911,2cyclictest1947012-21kthreadcore11:46:230
1565252991816,1cyclictest0-21swapper/209:30:032
1565252991815,1cyclictest0-21swapper/210:01:292
1565252991815,1cyclictest0-21swapper/207:50:012
156525199189,3cyclictest0-21swapper/109:36:171
156525199184,12cyclictest69250irq/121-eno112:16:041
1565251991815,2cyclictest1610948-21tr07:46:201
156525099189,5cyclictest1986958-21kthreadcore12:11:270
1565250991815,2cyclictest1714083-21sh09:10:020
156525099181,12cyclictest1818787-21apt-get10:21:170
1565250991810,4cyclictest0-21swapper/012:05:010
3240591170,2phc2sys0-21swapper/312:37:563
3240591170,2phc2sys0-21swapper/308:56:283
3240591170,1phc2sys0-21swapper/309:45:143
1565252991715,1cyclictest0-21swapper/211:05:022
1565252991715,1cyclictest0-21swapper/210:20:022
1565252991714,1cyclictest0-21swapper/210:51:302
1565251991714,2cyclictest1937618-21acpi11:41:161
1565251991714,2cyclictest1871900-21sed10:56:261
1565251991713,3cyclictest1998592-21kthreadcore12:21:251
1565251991711,2cyclictest69250irq/121-eno110:51:221
156525099179,2cyclictest0-21swapper/010:56:270
156525099177,6cyclictest0-21swapper/009:11:240
156525099177,5cyclictest0-21swapper/010:01:290
1565250991715,1cyclictest1847991-21grep10:40:030
1565250991714,2cyclictest664-21dbus-daemon10:16:310
1565250991714,2cyclictest1981771-21latency_hist12:10:020
1565250991714,2cyclictest1878843-21grep11:01:210
1565250991714,2cyclictest1805264-21sed10:11:230
1565250991714,2cyclictest1701813-21systemctl09:00:010
1565250991713,3cyclictest664-21dbus-daemon09:25:020
1565250991710,6cyclictest0-21swapper/012:36:190
1565250991710,4cyclictest1622844-21tail07:56:170
3240591160,1phc2sys0-21swapper/311:31:073
3240591160,1phc2sys0-21swapper/310:03:543
1565252991614,1cyclictest0-21swapper/212:40:022
1565252991613,1cyclictest0-21swapper/209:56:222
1565252991613,1cyclictest0-21swapper/208:00:012
156525199169,3cyclictest1900423-21/usr/sbin/munin11:16:281
1565251991613,2cyclictest684-21systemd-logind09:50:021
1565251991613,2cyclictest1653071-21/usr/sbin/munin08:20:011
1565251991613,2cyclictest1300-21mta-sts-daemon08:36:161
1565251991613,2cyclictest0-21swapper/110:31:261
1565251991612,3cyclictest1961211-21kthreadcore11:56:251
1565251991612,3cyclictest1677468-21kworker/u16:1+xprtiod10:00:001
1565251991611,2cyclictest1307-21mta-sts-daemon09:51:191
156525099167,1cyclictest0-21swapper/012:21:220
156525099166,3cyclictest759-1atopacctd11:21:260
1565250991613,2cyclictest1745189-21if_err_eno109:31:220
1565250991613,2cyclictest1738021-21irqrtprio09:26:250
1565250991613,2cyclictest1646985-21systemd08:15:010
1565250991613,1cyclictest0-21swapper/007:50:030
1565250991612,3cyclictest1594910-21kthreadcore07:31:250
1565250991612,2cyclictest1708060-21systemd09:05:020
3240591151,1phc2sys0-21swapper/312:16:573
17852282150,2sleep30-21swapper/309:56:273
1565252991513,1cyclictest0-21swapper/212:30:022
1565252991513,1cyclictest0-21swapper/211:57:212
1565252991513,1cyclictest0-21swapper/211:55:022
1565252991513,1cyclictest0-21swapper/210:39:002
1565252991513,1cyclictest0-21swapper/210:35:022
1565252991513,1cyclictest0-21swapper/210:06:212
1565252991513,1cyclictest0-21swapper/207:31:182
1565252991513,0cyclictest0-21swapper/209:00:012
1565252991512,1cyclictest0-21swapper/212:06:242
1565252991512,1cyclictest0-21swapper/211:11:192
1565252991512,1cyclictest0-21swapper/210:26:262
1565252991512,1cyclictest0-21swapper/209:45:392
1565252991512,1cyclictest0-21swapper/208:31:282
156525199159,5cyclictest1309-21mta-sts-daemon07:16:191
156525199159,2cyclictest1898002-21grep11:11:291
156525199154,7cyclictest1700563-21sed08:56:271
1565251991512,2cyclictest688-21in:imuxsock08:14:311
1565251991512,2cyclictest672-21polkitd12:36:281
1565251991512,2cyclictest2011435-21systemd-run12:30:021
1565251991512,2cyclictest1804757-21if_enp1s010:11:211
1565251991512,2cyclictest1764315-21xargs09:41:301
1565251991512,2cyclictest1764315-21xargs09:41:301
1565251991512,2cyclictest1742017-21mailstats09:26:311
1565251991512,2cyclictest1300-21mta-sts-daemon07:35:011
1565251991511,3cyclictest1859193-21kthreadcore10:46:241
1565251991511,3cyclictest1800355-21kthreadcore10:06:251
1565251991511,3cyclictest1617656-21irqcore07:51:251
1565251991511,3cyclictest1609867-21unixbench_singl07:41:311
1565251991510,2cyclictest1306-21mta-sts-daemon11:22:511
156525099156,5cyclictest1309-21mta-sts-daemon11:51:130
1565250991512,2cyclictest2012893-21ethtool12:31:220
1565250991512,2cyclictest2012893-21ethtool12:31:220
1565250991512,2cyclictest1930850-21fschecks_time11:36:220
1565250991512,2cyclictest1885919-21cut11:06:180
1565250991512,2cyclictest1885919-21cut11:06:180
1565250991512,2cyclictest1834546-21if_err_enp1s0.810:31:230
1565250991512,2cyclictest1758575-21munin-plugin-st09:40:030
1565250991512,2cyclictest1640962-21systemd08:10:010
1565250991512,2cyclictest1640962-21systemd08:10:010
1565250991512,2cyclictest1571352-21munin-node08:36:040
1565250991512,2cyclictest1565249-21cyclictest11:26:240
1565250991512,2cyclictest1300-21mta-sts-daemon08:01:240
1565250991511,3cyclictest1678021-21cpuspeed_turbos08:41:190
156525099150,12cyclictest1927890-21ssh11:31:300
1157598150,6rtkit-daemon1306-21mta-sts-daemon10:45:520
3240591141,2phc2sys0-21swapper/307:25:013
3240591140,4phc2sys0-21swapper/311:03:413
3240591140,2phc2sys0-21swapper/308:40:013
1565252991413,0cyclictest0-21swapper/210:25:012
1565252991413,0cyclictest0-21swapper/209:25:032
1565252991412,1cyclictest0-21swapper/211:06:282
1565252991412,1cyclictest0-21swapper/211:06:282
1565252991412,1cyclictest0-21swapper/209:36:182
1565252991412,1cyclictest0-21swapper/208:50:012
1565252991412,1cyclictest0-21swapper/207:15:012
1565252991411,1cyclictest0-21swapper/211:30:012
1565252991411,1cyclictest0-21swapper/207:40:432
156525199144,5cyclictest1671138-21cron08:35:001
1565251991411,2cyclictest688-21in:imuxsock11:25:211
1565251991411,2cyclictest688-21in:imuxsock10:20:221
1565251991411,2cyclictest1985193-21kthreadcore12:11:261
1565251991411,2cyclictest1975962-21kernelversion12:06:221
1565251991411,2cyclictest1953861-21kthreadcore11:51:261
1565251991411,2cyclictest1923372-21fschecks_count11:31:201
1565251991411,2cyclictest1744910-21cut09:31:201
1565251991411,2cyclictest1660130-21head08:26:231
1565251991411,2cyclictest1634370-21unixbench_multi08:01:301
1565251991411,2cyclictest1628414-21latency_hist08:00:021
1565251991411,2cyclictest1300-21mta-sts-daemon07:21:241
1565251991411,2cyclictest11574-21rtkit-daemon09:01:041
1565251991410,3cyclictest1971523-21kthreadcore12:01:251
1565251991410,3cyclictest0-21swapper/108:10:011
1565251991410,3cyclictest0-21swapper/108:10:011
156525099149,4cyclictest1774005-21aten_repower_fr09:51:160
156525099143,6cyclictest0-21swapper/009:56:180
1565250991412,1cyclictest1300-21mta-sts-daemon08:46:230
1565250991411,2cyclictest2007173-21kthreadcore12:26:250
1565250991411,2cyclictest1662125-21kthreadcore08:26:260
1565250991411,2cyclictest1600973-21kthreadcore07:36:270
1565250991411,2cyclictest1572726-21kthreadcore07:15:030
1565250991411,2cyclictest0-21swapper/007:25:010
1565250991410,3cyclictest1565249-21cyclictest08:51:240
3240591130,3phc2sys0-21swapper/311:50:543
3240591130,3phc2sys0-21swapper/310:06:183
3240591130,2phc2sys0-21swapper/312:25:543
3240591130,2phc2sys0-21swapper/310:42:543
3240591130,2phc2sys0-21swapper/310:29:343
3240591130,1phc2sys0-21swapper/309:16:283
1565252991311,1cyclictest0-21swapper/212:31:222
1565252991311,1cyclictest0-21swapper/212:31:222
1565252991311,1cyclictest0-21swapper/211:21:242
1565252991311,1cyclictest0-21swapper/210:11:262
1565252991311,1cyclictest0-21swapper/209:41:192
1565252991311,1cyclictest0-21swapper/209:41:192
1565252991311,1cyclictest0-21swapper/209:31:212
1565252991311,1cyclictest0-21swapper/208:36:222
1565252991311,1cyclictest0-21swapper/208:10:012
1565252991311,1cyclictest0-21swapper/208:10:012
1565252991311,1cyclictest0-21swapper/208:01:352
1565252991310,1cyclictest0-21swapper/212:11:182
1565252991310,1cyclictest0-21swapper/211:41:242
1565252991310,1cyclictest0-21swapper/211:34:102
1565252991310,1cyclictest0-21swapper/210:41:282
1565252991310,1cyclictest0-21swapper/209:16:172
1565252991310,1cyclictest0-21swapper/208:51:242
1565252991310,1cyclictest0-21swapper/208:21:212
1565252991310,1cyclictest0-21swapper/208:11:302
156525199139,3cyclictest1590563-21kthreadcore07:26:281
156525199139,3cyclictest0-21swapper/109:21:221
156525199137,2cyclictest69250irq/121-eno108:51:241
156525199136,3cyclictest0-21swapper/111:01:251
1565251991310,2cyclictest1654611-21irqrtprio08:21:221
1565251991310,2cyclictest1306-21mta-sts-daemon08:46:291
156525099139,3cyclictest1666647-21irqrtprio08:31:240
1565250991310,2cyclictest1649765-21kthreadcore08:16:250
1565250991310,2cyclictest1586958-21cut07:26:240
3240591120,2phc2sys0-21swapper/312:13:313
3240591120,2phc2sys0-21swapper/311:45:143
3240591120,2phc2sys0-21swapper/309:54:523
3240591120,1phc2sys0-21swapper/311:58:523
3240591120,1phc2sys0-21swapper/311:44:253
3240591120,1phc2sys0-21swapper/311:39:573
156525299129,1cyclictest0-21swapper/211:36:272
156525299129,1cyclictest0-21swapper/209:11:092
156525299129,1cyclictest0-21swapper/208:17:522
156525299129,1cyclictest0-21swapper/207:51:322
1565252991210,1cyclictest0-21swapper/212:21:182
1565252991210,1cyclictest0-21swapper/210:56:222
1565252991210,1cyclictest0-21swapper/210:50:032
1565252991210,1cyclictest0-21swapper/209:51:172
1565252991210,1cyclictest0-21swapper/209:06:262
1565252991210,1cyclictest0-21swapper/207:16:182
1565252991210,1cyclictest0-21swapper/207:10:012
156525199124,3cyclictest0-21swapper/108:41:211
1157598120,1rtkit-daemon1307-21mta-sts-daemon07:08:311
3240591112,2phc2sys0-21swapper/312:21:183
3240591112,2phc2sys0-21swapper/312:01:173
3240591111,4phc2sys0-21swapper/307:06:163
3240591110,2phc2sys0-21swapper/309:07:453
3240591110,1phc2sys0-21swapper/311:23:173
3240591110,1phc2sys0-21swapper/311:14:163
3240591110,1phc2sys0-21swapper/310:39:453
3240591110,1phc2sys0-21swapper/309:27:193
19212832110,2sleep30-21swapper/311:27:503
156525299119,1cyclictest0-21swapper/212:16:242
156525299119,1cyclictest0-21swapper/208:40:182
156525299119,1cyclictest0-21swapper/207:36:272
156525299119,1cyclictest0-21swapper/207:25:382
156525299118,1cyclictest0-21swapper/209:01:182
156525299110,7cyclictest1585401-21chrt07:22:012
156525099114,5cyclictest714-21gdbus07:10:020
156525099114,4cyclictest0-21swapper/008:21:170
3240591103,1phc2sys0-21swapper/308:06:193
3240591103,1phc2sys0-21swapper/308:06:193
3240591101,3phc2sys0-21swapper/308:25:023
3240591101,2phc2sys0-21swapper/309:13:353
3240591100,2phc2sys0-21swapper/309:21:253
3240591100,2phc2sys0-21swapper/308:31:203
3240591100,2phc2sys0-21swapper/308:26:193
3240591100,2phc2sys0-21swapper/308:12:343
3240591100,2phc2sys0-21swapper/308:03:393
3240591100,2phc2sys0-21swapper/307:50:013
3240591100,2phc2sys0-21swapper/307:31:173
3240591100,1phc2sys0-21swapper/310:12:403
3240591100,1phc2sys0-21swapper/309:40:173
3240591100,1phc2sys0-21swapper/309:40:173
3240591100,1phc2sys0-21swapper/308:00:023
3240591100,1phc2sys0-21swapper/307:17:113
18919222100,2sleep30-21swapper/311:08:583
18919222100,2sleep30-21swapper/311:08:583
324059193,2phc2sys0-21swapper/310:47:093
324059192,1phc2sys0-21swapper/308:51:193
324059191,1phc2sys0-21swapper/307:51:253
324059191,1phc2sys0-21swapper/307:15:023
324059190,2phc2sys0-21swapper/310:21:173
324059190,2phc2sys0-21swapper/308:41:263
324059190,2phc2sys0-21swapper/307:41:193
324059190,2phc2sys0-21swapper/307:36:183
324059190,1phc2sys0-21swapper/312:34:573
324059190,1phc2sys0-21swapper/312:34:573
324059190,1phc2sys0-21swapper/310:53:323
324059190,1phc2sys0-21swapper/309:01:353
1981279290,3sleep30-21swapper/312:09:543
324059182,2phc2sys0-21swapper/307:26:213
324059180,3phc2sys0-21swapper/308:46:173
324059180,2phc2sys0-21swapper/310:15:283
324059180,2phc2sys0-21swapper/308:16:253
324059180,1phc2sys0-21swapper/309:35:113
324059180,1phc2sys0-21swapper/309:30:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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