Re: PROBLEM: found 2 tests failed using "perf test" command

From: Jiri Olsa
Date: Tue May 22 2018 - 08:53:52 EST


On Sun, May 20, 2018 at 01:53:15AM +0530, Jeffrin Thalakkottoor wrote:
> hello,
>
>
> i found two tests failed while i did "sudo ./perf test"
>
> --------------------------------------------------------------------------->
> 24: Object code reading : FAILED!
> 64: probe libc's inet_pton & backtrace it with ping : FAILED!
> ---------------------------------------------------------------------------->
>
> some relevent shell session details from ./sudo perf test -vv 24
> -------------------------------------------------------------------------------------------------------->
> Objdump command is: objdump -z -d --start-address=0xffffffff8132dda7
> --stop-address=0xffffffff8132de27
> /lib/modules/4.17.0-rc5+/build/vmlinux
> Bytes read match those read by objdump
> Reading object code for memory address: 0xfffffe000005e01e
> thread__find_addr_map failed
> test child finished with -1
> ---- end ----
> Object code reading: FAILED!
> ---------------------------------------------------------------------------------------------------------->
>
> $sudo ./perf test -vv 64
> 64: probe libc's inet_pton & backtrace it with ping :
> --- start ---
> test child forked, pid 4751
> test child finished with -1
> ---- end ----
> probe libc's inet_pton & backtrace it with ping: FAILED!

there's been some recent discussion/changes in here, please follow:
https://marc.info/?t=152662842600002&r=1&w=2

jirka