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[Mehmet Basaran <1909187@xxxxxxxxxxxxxxxxxx>]

Found on bionic:linux-oracle-5.4 5.4.0-1129.138~18.04.1 cycle=2024.07.08


tst_test.c:1733: TINFO: LTP version: 20240524
tst_test.c:1619: TINFO: Timeout per run is 0h 01m 42s
perf_event_open02.c:103: TINFO: bench_work estimated loops = 14265 in 500 ms
perf_event_open02.c:150: TINFO: [0] value:4280083417 time_enabled:477160888 time_running:477160888
perf_event_open02.c:150: TINFO: [1] value:4280055574 time_enabled:450324290 time_running:450324290
perf_event_open02.c:150: TINFO: [2] value:4280008596 time_enabled:397589516 time_running:397589516
perf_event_open02.c:150: TINFO: [3] value:4280002183 time_enabled:397704598 time_running:397704598
perf_event_open02.c:150: TINFO: [4] value:4279990844 time_enabled:397618923 time_running:397618923
perf_event_open02.c:150: TINFO: [5] value:4279997056 time_enabled:397620210 time_running:397620210
perf_event_open02.c:150: TINFO: [6] value:4280004866 time_enabled:397586142 time_running:397586142
perf_event_open02.c:150: TINFO: [7] value:4280007178 time_enabled:397571131 time_running:397571131
perf_event_open02.c:150: TINFO: [8] value:4279994628 time_enabled:397574823 time_running:397574823
perf_event_open02.c:150: TINFO: [9] value:3849929136 time_enabled:398003655 time_running:358003444
perf_event_open02.c:307: TINFO: nhw: 9, overall task clock: 3262796561
perf_event_open02.c:308: TINFO: hw sum: 308157246688, task clock sum: 29365640722
perf_event_open02.c:320: TINFO: ratio: 9.000145
perf_event_open02.c:322: TFAIL: test failed (ratio was greater than 9)
88549 	  	Summary:
passed   0
failed   1
broken   0
skipped  0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20240524
INFO: Test end time: Sat Aug  3 19:49:17 UTC 2024

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https://bugs.launchpad.net/bugs/1909187

Title:
  perf_event_open02 from ubuntu_ltp_syscalls failed on F-aws /
  B-oracle-5.4 with specific instance

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with Focal AWS 5.4.0-1034.35, exclusively on a1.medium

  Fail rate: 2/2

  Test failed with:
   startup='Wed Dec 23 18:40:58 2020'
   tst_test.c:1261: TINFO: Timeout per run is 0h 05m 00s
   perf_event_open02.c:130: TINFO: bench_work estimated loops = 5715 in 500 ms
   perf_event_open02.c:175: TINFO: [0] value:2287744246 time_enabled:500058840 time_running:500058840
   perf_event_open02.c:175: TINFO: [1] value:2287708056 time_enabled:500381232 time_running:500381232
   perf_event_open02.c:175: TINFO: [2] value:2289974062 time_enabled:504715896 time_running:504715896
   perf_event_open02.c:175: TINFO: [3] value:1715806060 time_enabled:532575876 time_running:399201912
   perf_event_open02.c:334: TINFO: nhw: 3, overall task clock: 4233846396
   perf_event_open02.c:335: TINFO: hw sum: 54940303470, task clock sum: 12702998172
   perf_event_open02.c:347: TINFO: ratio: 3.000345
   perf_event_open02.c:349: TFAIL: test failed (ratio was greater than 3)

   Summary:
   passed 0
   failed 1
   broken 0
   skipped 0
   warnings 0
   tag=perf_event_open02 stime=1608748858 dur=9 exit=exited stat=1 core=no cu=881 cs=0

  As I can't see this failure on other ARM instances and not on B-5.4
  AWS, I won't call this a regression.

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