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2025-12-31 - 05:51
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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 Wed Dec 31, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
374198621110,2sleep01288-1atopacctd22:43:180
348135421010,1sleep00-21swapper/019:53:220
35258632920,1sleep10-21swapper/120:28:211
37962532830,2sleep20-21swapper/223:13:182
36793602340,2sleep20-21swapper/222:08:212
3428290992623,2cyclictest3829261-21grep23:30:020
3428291992522,2cyclictest3774783-21munin-plugin-st23:00:001
342829099249,2cyclictest0-21swapper/023:10:010
3428290992414,6cyclictest3840815-21/usr/sbin/munin23:38:270
342829099239,5cyclictest3831549-21/usr/sbin/munin23:33:270
342829099238,5cyclictest3669365-21cstates22:03:160
3428290992320,2cyclictest3920210-21perf00:20:000
3428290992318,1cyclictest36848361systemd-run22:10:010
3428290992311,5cyclictest3645600-21kthreadcore21:48:230
3428290992310,5cyclictest3774754-21latency_hist23:00:010
3428291992218,3cyclictest3893487-21grep00:05:021
3428291992216,2cyclictest134050irq/121-eno100:15:011
3428291992215,1cyclictest134050irq/121-eno100:23:211
3428290992213,5cyclictest3687402-21cstates22:13:180
342829099221,1cyclictest3605865-21apt-get21:28:140
3428290992210,5cyclictest0-21swapper/000:28:150
342829099220,13cyclictest0-21swapper/023:48:220
3428291992118,2cyclictest3720632-21dump-pmu-power22:30:001
3428291992117,3cyclictest0-21swapper/121:25:001
3428291992115,2cyclictest134050irq/121-eno122:08:281
3428291992115,2cyclictest134050irq/121-eno121:45:021
3428291992114,2cyclictest134050irq/121-eno123:35:001
342829099217,5cyclictest3428289-21cyclictest23:18:250
342829099211,3cyclictest3732796-21fschecks_time22:38:160
3428290992112,8cyclictest3706725-21kthreadcore22:23:200
342829199209,3cyclictest3700634-21kthreadcore22:18:231
342829199201,7cyclictest3642006-21apt-get21:48:151
3428291992014,2cyclictest134050irq/121-eno123:48:251
3428291992014,2cyclictest134050irq/121-eno123:38:161
3428291992012,3cyclictest3623449-21sh21:37:311
3428291992010,1cyclictest17350irq/127-ahci[0000:00:17.0]22:00:021
342829099208,5cyclictest0-21swapper/021:20:010
342829099207,5cyclictest0-21swapper/023:23:190
342829099204,6cyclictest3720675-21systemd-run22:30:010
342829099201,4cyclictest3883803-21perf-exec00:00:010
342829199195,9cyclictest3546495-21aten2.4-expect20:48:171
342829199195,8cyclictest3787829-21kthreadcore23:08:211
3428291991916,2cyclictest3778615-21sed23:03:201
3428291991915,3cyclictest3565838-21kthreadcore21:03:201
3428291991915,3cyclictest3474227-21fschecks_count19:48:181
3428291991915,3cyclictest3456838-21kthreadcore19:33:211
3428291991915,3cyclictest3434949-21kthreadcore19:15:021
3428291991911,3cyclictest3606726-21if_enp1s021:28:191
3428291991910,4cyclictest0-21swapper/122:13:281
342829099199,5cyclictest0-21swapper/000:15:010
342829099198,6cyclictest0-21swapper/021:43:270
342829099198,6cyclictest0-21swapper/000:08:140
342829099195,5cyclictest0-21swapper/023:02:470
342829099195,2cyclictest0-21swapper/021:58:150
342829099194,7cyclictest3757044-21sh22:50:010
2649091190,2phc2sys0-21swapper/323:53:563
342829199188,3cyclictest3799465-21kthreadcore23:13:211
342829199188,3cyclictest3576024-21diskmemload21:31:131
342829199188,3cyclictest3576024-21diskmemload21:31:131
342829199187,4cyclictest3828218-21diskmemload23:29:061
342829199186,3cyclictest0-21swapper/122:03:211
342829199183,3cyclictest3706641-21kthreadcore22:23:191
342829199182,5cyclictest3750392-21aten2.4-expect22:48:151
3428291991815,2cyclictest3880036-21sed23:58:231
3428291991815,2cyclictest3870797-21kthreadcore23:53:221
3428291991815,2cyclictest3732855-21grep22:38:161
3428291991815,2cyclictest3723263-21aten_repower_vo22:33:141
3428291991815,2cyclictest0-21swapper/120:20:011
3428291991814,3cyclictest3954545-21pmu-power00:38:241
3428291991814,3cyclictest3545164-21pmu-power20:43:241
3428291991814,3cyclictest3505401-21kthreadcore20:13:201
3428291991814,3cyclictest3470374-21kthreadcore19:43:241
3428291991814,3cyclictest3462867-21kthreadcore19:38:201
3428291991814,3cyclictest3446220-21kthreadcore19:23:231
3428291991812,2cyclictest134050irq/121-eno122:43:161
342829199180,1cyclictest0-21swapper/121:17:571
342829099188,4cyclictest0-21swapper/020:18:160
342829099187,4cyclictest3455571-21aten_repower_cu19:33:140
342829099181,7cyclictest3552061-21munin-run20:50:010
3428290991815,2cyclictest1296-21polkitd19:40:010
3428290991812,5cyclictest3759549-21tr22:53:160
2649091180,2phc2sys0-21swapper/323:12:243
342829199175,7cyclictest3931514-21diskmemload00:28:041
342829199175,3cyclictest0-21swapper/123:25:021
342829199174,6cyclictest3856418-21diskmemload23:44:541
342829199173,7cyclictest3578612-21telnet21:13:151
342829199173,4cyclictest3449571-21aten2.4-expect19:28:141
3428291991714,2cyclictest1288-1atopacctd21:53:221
3428291991713,3cyclictest3762077-21kthreadcore22:53:221
3428291991713,3cyclictest3555721-21kthreadcore20:53:221
3428291991713,3cyclictest3518974-21kthreadcore20:23:211
3428291991713,3cyclictest3493342-21kthreadcore20:03:211
3428291991713,3cyclictest3430548-21kthreadcore19:13:201
3428291991713,2cyclictest3539795-21latency_hist20:40:011
3428291991712,2cyclictest134050irq/121-eno119:53:161
342829099179,7cyclictest0-21swapper/021:23:210
342829099178,5cyclictest0-21swapper/021:51:360
342829099177,6cyclictest0-21swapper/019:18:120
342829099172,8cyclictest0-21swapper/023:40:200
342829099172,6cyclictest3729740-21latency_hist22:35:010
342829099172,2cyclictest3624771-21basename21:38:180
3428290991714,2cyclictest1-21systemd00:33:280
3428290991712,3cyclictest3893542-21latency_hist00:05:020
3428290991710,2cyclictest3757048-21kworker/u16:1-rpciod23:14:470
342829099170,4cyclictest3702675-21sshd22:20:000
342829099170,4cyclictest0-21swapper/021:30:240
342829099170,4cyclictest0-21swapper/021:30:240
342829099170,2cyclictest0-21swapper/021:10:410
2649091171,5phc2sys0-21swapper/300:25:013
2649091170,2phc2sys0-21swapper/319:53:303
3428292991613,1cyclictest0-21swapper/221:56:572
3428292991613,1cyclictest0-21swapper/221:43:152
342829199165,6cyclictest0-21swapper/100:10:011
342829199163,5cyclictest3938586-21diskmemload00:30:151
3428291991613,2cyclictest3916705-21kthreadcore00:18:231
3428291991613,2cyclictest3805695-21kthreadcore23:18:201
3428291991613,2cyclictest3528873-21fschecks_count20:33:181
3428291991613,2cyclictest1286-21avahi-daemon21:10:011
3428291991612,3cyclictest3503348-21unixbench_singl20:08:261
342829099168,2cyclictest0-21swapper/000:36:250
342829099165,3cyclictest3536511-21cut20:38:200
342829099165,2cyclictest0-21swapper/023:50:280
342829099163,6cyclictest0-21swapper/020:03:260
342829099162,5cyclictest3516182-21/usr/sbin/munin20:23:150
342829099161,7cyclictest3546012-21munin-run20:45:010
342829099161,7cyclictest3498023-21/usr/sbin/munin20:08:230
342829099161,6cyclictest0-21swapper/000:21:410
342829099161,3cyclictest3450284-21basename19:28:180
342829099161,3cyclictest0-21swapper/020:58:580
3428290991613,2cyclictest3428289-21cyclictest19:13:290
3428290991612,3cyclictest3528987-21head20:33:190
342829099160,4cyclictest0-21swapper/021:00:340
2649091160,4phc2sys0-21swapper/323:20:573
2649091160,2phc2sys0-21swapper/323:01:393
2649091160,2phc2sys0-21swapper/322:45:303
2649091160,1phc2sys0-21swapper/300:10:033
34708292150,1sleep00-21swapper/019:43:240
3428292991513,1cyclictest0-21swapper/222:35:012
3428292991512,1cyclictest0-21swapper/223:32:102
3428292991512,1cyclictest0-21swapper/200:10:002
342829299150,7cyclictest0-21swapper/220:23:132
342829299150,7cyclictest0-21swapper/219:23:152
3428291991512,2cyclictest3558758-21cpuspeed_turbos20:58:171
3428291991512,2cyclictest3487274-21kthreadcore19:58:251
342829099158,6cyclictest3428289-21cyclictest21:10:010
342829099153,6cyclictest0-21swapper/020:26:310
342829099152,6cyclictest0-21swapper/020:54:310
3428290991512,2cyclictest3448006-21kthreadcore19:23:230
3428290991511,3cyclictest3509292-21unixbench-2d20:13:270
2649091155,2phc2sys0-21swapper/322:04:313
2649091150,3phc2sys0-21swapper/323:36:383
2649091150,2phc2sys0-21swapper/323:09:083
2649091150,1phc2sys0-21swapper/321:42:343
342829299141,7cyclictest0-21swapper/222:58:152
3428292991412,1cyclictest0-21swapper/200:40:022
3428292991411,1cyclictest0-21swapper/223:18:202
3428292991411,1cyclictest0-21swapper/222:28:142
3428292991411,1cyclictest0-21swapper/222:25:012
3428292991411,1cyclictest0-21swapper/221:53:202
3428292991411,1cyclictest0-21swapper/221:08:192
342829299140,7cyclictest0-21swapper/220:28:142
342829299140,12cyclictest0-21swapper/222:10:172
3428290991411,2cyclictest3490989-21switchtime19:58:300
2649091141,2phc2sys0-21swapper/321:31:123
2649091141,2phc2sys0-21swapper/321:31:123
2649091141,2phc2sys0-21swapper/320:43:273
2649091140,2phc2sys0-21swapper/323:29:423
2649091140,2phc2sys0-21swapper/321:37:013
2649091140,2phc2sys0-21swapper/300:35:173
34690722130,2sleep30-21swapper/319:43:233
342829299135,4cyclictest38114832sleep223:20:312
342829299131,9cyclictest3612402-21taskset21:29:582
3428292991310,1cyclictest0-21swapper/223:01:252
3428292991310,1cyclictest0-21swapper/222:48:152
3428292991310,1cyclictest0-21swapper/222:43:212
3428292991310,1cyclictest0-21swapper/221:18:172
3428292991310,1cyclictest0-21swapper/200:13:212
342829099131,3cyclictest3428410-21munin-run19:10:010
2649091132,1phc2sys0-21swapper/322:35:533
2649091131,3phc2sys0-21swapper/321:48:153
2649091131,2phc2sys0-21swapper/320:33:183
2649091130,3phc2sys0-21swapper/320:48:163
2649091130,2phc2sys0-21swapper/322:59:423
2649091130,2phc2sys0-21swapper/321:54:373
2649091130,2phc2sys0-21swapper/319:07:323
2649091130,1phc2sys0-21swapper/319:48:143
37574172120,4sleep30-21swapper/322:50:313
36775432120,4sleep30-21swapper/322:07:393
342829299129,1cyclictest0-21swapper/223:53:212
342829299129,1cyclictest0-21swapper/223:43:192
342829299129,1cyclictest0-21swapper/223:25:552
342829299129,1cyclictest0-21swapper/222:36:462
342829299129,1cyclictest0-21swapper/222:18:272
342829299129,1cyclictest0-21swapper/221:11:342
342829299129,1cyclictest0-21swapper/220:08:172
342829299129,1cyclictest0-21swapper/219:57:012
342829299129,1cyclictest0-21swapper/219:53:162
342829299129,1cyclictest0-21swapper/219:45:022
342829299129,1cyclictest0-21swapper/219:33:142
342829299129,1cyclictest0-21swapper/200:31:002
342829299129,1cyclictest0-21swapper/200:28:232
342829299129,1cyclictest0-21swapper/200:03:182
342829299128,2cyclictest0-21swapper/219:37:342
342829299128,2cyclictest0-21swapper/200:18:232
342829299121,8cyclictest3884280-21chrt00:00:032
342829099126,2cyclictest134050irq/121-eno119:46:330
2649091121,2phc2sys0-21swapper/323:55:293
2649091121,2phc2sys0-21swapper/300:08:233
2649091120,2phc2sys0-21swapper/322:12:523
2649091120,2phc2sys0-21swapper/321:26:293
2649091120,1phc2sys0-21swapper/319:26:383
342829299119,1cyclictest0-21swapper/220:44:072
342829299119,1cyclictest0-21swapper/220:00:052
342829299119,1cyclictest0-21swapper/219:47:482
342829299119,1cyclictest0-21swapper/219:18:072
342829299118,1cyclictest0-21swapper/223:47:482
342829299118,1cyclictest0-21swapper/223:35:562
342829299118,1cyclictest0-21swapper/223:08:202
342829299118,1cyclictest0-21swapper/222:51:062
342829299118,1cyclictest0-21swapper/221:21:352
342829299118,1cyclictest0-21swapper/220:53:212
342829299118,1cyclictest0-21swapper/220:50:012
342829299118,1cyclictest0-21swapper/220:13:242
342829299118,1cyclictest0-21swapper/219:28:212
342829299118,1cyclictest0-21swapper/219:13:252
342829299118,1cyclictest0-21swapper/200:23:092
342829299111,7cyclictest3528022-21taskset20:30:022
2649091116,2phc2sys0-21swapper/300:26:363
2649091113,1phc2sys0-21swapper/319:33:233
2649091112,2phc2sys0-21swapper/322:27:563
2649091111,2phc2sys0-21swapper/322:43:033
2649091111,2phc2sys0-21swapper/322:33:133
2649091111,2phc2sys0-21swapper/322:18:293
2649091111,2phc2sys0-21swapper/321:24:513
2649091111,2phc2sys0-21swapper/321:03:193
2649091110,8phc2sys0-21swapper/300:33:263
2649091110,2phc2sys0-21swapper/323:30:483
2649091110,2phc2sys0-21swapper/321:15:213
2649091110,2phc2sys0-21swapper/321:13:173
2649091110,2phc2sys0-21swapper/320:07:413
2649091110,2phc2sys0-21swapper/300:17:293
2649091110,1phc2sys0-21swapper/319:10:543
342829299108,1cyclictest0-21swapper/222:01:572
342829299108,1cyclictest0-21swapper/221:30:452
342829299108,1cyclictest0-21swapper/221:30:452
342829299107,2cyclictest0-21swapper/221:03:192
342829299107,1cyclictest0-21swapper/221:35:032
342829299107,1cyclictest0-21swapper/220:55:232
342829299101,7cyclictest3509863-21taskset20:15:042
342829299101,6cyclictest3640065-21taskset21:45:252
342829199104,4cyclictest1290-21dbus-daemon19:10:001
2649091102,2phc2sys0-21swapper/323:46:193
2649091101,2phc2sys0-21swapper/320:18:193
2649091101,2phc2sys0-21swapper/319:38:243
2649091100,2phc2sys0-21swapper/323:42:023
2649091100,2phc2sys0-21swapper/323:15:493
2649091100,2phc2sys0-21swapper/321:58:333
2649091100,2phc2sys0-21swapper/320:53:213
2649091100,2phc2sys0-21swapper/320:13:143
2649091100,2phc2sys0-21swapper/300:00:093
2649091100,1phc2sys0-21swapper/319:59:003
34282929990,7cyclictest3534055-21taskset20:35:032
264909191,2phc2sys0-21swapper/322:20:093
264909190,2phc2sys0-21swapper/320:55:503
264909190,2phc2sys0-21swapper/320:27:093
264909190,2phc2sys0-21swapper/320:22:363
264909190,2phc2sys0-21swapper/319:23:173
264909190,2phc2sys0-21swapper/319:18:193
264909190,1phc2sys0-21swapper/321:05:153
264909180,2phc2sys0-21swapper/320:03:203
264909180,1phc2sys0-21swapper/320:38:073
34282929975,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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