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2025-08-30 - 01:14
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot5.osadl.org (updated Fri Aug 29, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3869299955216,536cyclictest0-21swapper/1520:01:297
3869299954813,535cyclictest0-21swapper/1520:13:297
386877995382,534cyclictest0-21swapper/220:46:298
3868919952415,508cyclictest0-21swapper/620:54:2912
386891995240,523cyclictest0-21swapper/622:03:2912
386917995220,521cyclictest0-21swapper/1220:53:294
38688399517515,2cyclictest473905-21kworker/4:1+i915-unordered20:53:2910
3868919951121,490cyclictest0-21swapper/620:35:2912
38691799502500,1cyclictest491085-21kworker/12:1+i915-unordered21:15:294
38689199482482,0cyclictest584659-21kworker/6:1+i915-unordered23:51:2812
38690199479478,1cyclictest654381-21kworker/9:2+i915-unordered00:35:2815
38690199479478,1cyclictest654381-21kworker/9:2+i915-unordered00:35:2815
38690699477476,1cyclictest465501-21kworker/10:1+i915-unordered20:46:292
38690699476476,0cyclictest621477-21kworker/10:2+i915-unordered00:03:282
3868969947220,445cyclictest386862-21cyclictest23:35:2813
3868729947021,29cyclictest0-21swapper/122:27:521
3869299946820,30cyclictest0-21swapper/1522:27:137
38688399466465,1cyclictest0-21swapper/421:15:2910
3868889946522,30cyclictest0-21swapper/521:19:2811
3868729946516,29cyclictest0-21swapper/120:29:511
3868729946419,29cyclictest0-21swapper/120:39:291
3868729946215,28cyclictest0-21swapper/100:10:501
3868729946213,29cyclictest0-21swapper/123:27:511
38690699461455,5cyclictest1811-21snmpd19:23:232
3868689946115,29cyclictest0-21swapper/023:37:120
386914994600,459cyclictest0-21swapper/1119:52:243
386877994600,459cyclictest0-21swapper/220:16:248
3868729946012,30cyclictest0-21swapper/123:56:111
3868689946014,444cyclictest0-21swapper/019:39:290
3868729945911,30cyclictest0-21swapper/120:04:131
3868729945910,30cyclictest0-21swapper/121:21:131
3868729945910,30cyclictest0-21swapper/120:49:121
3868729945910,29cyclictest0-21swapper/119:45:501
3868889945811,30cyclictest0-21swapper/522:33:2811
3868729945810,29cyclictest0-21swapper/123:42:111
3869069945716,29cyclictest0-21swapper/1000:16:282
3868889945718,30cyclictest0-21swapper/519:11:2911
3868889945718,30cyclictest0-21swapper/519:11:2911
386929994547,29cyclictest0-21swapper/1522:09:127
38691499454450,3cyclictest1811-21snmpd23:27:413
38688399453452,1cyclictest77250irq/159-i91500:35:2810
38688399453452,1cyclictest77250irq/159-i91500:35:2810
386872994528,29cyclictest0-21swapper/120:37:241
38687299452449,3cyclictest1811-21snmpd22:04:241
386929994516,28cyclictest0-21swapper/1519:47:137
386888994514,444cyclictest0-21swapper/522:14:2811
386877994510,30cyclictest0-21swapper/222:20:518
3868779944826,421cyclictest0-21swapper/223:08:508
3868779944725,420cyclictest0-21swapper/220:48:518
38691799446446,0cyclictest0-21swapper/1223:51:284
3868779944526,418cyclictest0-21swapper/200:01:288
3869249944426,415cyclictest0-21swapper/1419:14:296
3868779944423,418cyclictest0-21swapper/219:18:118
386868994441,29cyclictest0-21swapper/023:21:500
38691799443442,1cyclictest0-21swapper/1223:54:284
3868889944325,417cyclictest0-21swapper/521:39:2811
3868889944325,417cyclictest0-21swapper/500:19:2811
3868889944223,418cyclictest0-21swapper/523:15:2811
3868779944225,417cyclictest0-21swapper/222:09:288
3869299944120,418cyclictest0-21swapper/1522:57:507
38691799441440,1cyclictest0-21swapper/1220:01:294
3869149944121,418cyclictest0-21swapper/1119:52:503
3869019944122,418cyclictest0-21swapper/919:49:2915
3868919944123,418cyclictest0-21swapper/619:54:2912
3868889944125,416cyclictest0-21swapper/500:11:2811
38688399441440,1cyclictest77250irq/159-i91523:51:2810
3868779944122,419cyclictest0-21swapper/221:38:288
3868729944120,421cyclictest0-21swapper/123:11:131
3869149944020,420cyclictest0-21swapper/1100:27:113
3868779944018,419cyclictest0-21swapper/219:14:118
38687299440439,1cyclictest0-21swapper/100:35:281
38687299440439,1cyclictest0-21swapper/100:35:281
38691799439437,2cyclictest0-21swapper/1200:34:284
38691799439437,2cyclictest0-21swapper/1200:34:284
3869019943920,418cyclictest0-21swapper/919:23:2915
3868889943923,416cyclictest0-21swapper/521:34:2811
3869249943820,416cyclictest0-21swapper/1421:05:286
38691799438438,0cyclictest0-21swapper/1200:03:284
38689199438434,3cyclictest599784-21kworker/u64:9+events_unbound23:26:2812
3868889943820,417cyclictest0-21swapper/522:08:2811
3869249943719,418cyclictest0-21swapper/1421:28:286
3869019943720,416cyclictest0-21swapper/919:53:2915
3868729943711,29cyclictest0-21swapper/123:02:131
3868969943617,416cyclictest0-21swapper/720:14:2913
38688399436436,0cyclictest77250irq/159-i91523:54:2810
38688399436435,1cyclictest77250irq/159-i91520:01:2910
3869249943516,416cyclictest0-21swapper/1420:50:286
38692199435434,1cyclictest539385-21kworker/13:2+i915-unordered22:10:285
3868889943519,416cyclictest0-21swapper/523:28:2811
3868779943517,418cyclictest0-21swapper/200:03:288
38692499434433,1cyclictest473858-21kworker/14:0+i915-unordered20:54:296
38692499434431,2cyclictest531324-21kworker/14:0+i915-unordered22:03:296
3869249943413,420cyclictest0-21swapper/1420:30:296
3868779943415,418cyclictest0-21swapper/221:46:288
3868729943414,418cyclictest0-21swapper/119:18:521
3869249943315,418cyclictest0-21swapper/1420:38:296
3869249943314,417cyclictest0-21swapper/1423:44:286
3869069943320,412cyclictest0-21swapper/1022:51:282
38688099433431,2cyclictest440885-21kworker/3:2+pm20:16:249
3868729943314,417cyclictest0-21swapper/123:07:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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