Re: [PATCH] perf tools: Fix build errors on tsc functions for archs other than x86

From: Adrian Hunter
Date: Fri Apr 01 2016 - 09:43:18 EST


On 01/04/16 16:24, Arnaldo Carvalho de Melo wrote:
> Em Fri, Apr 01, 2016 at 10:13:12AM -0300, Arnaldo Carvalho de Melo escreveu:
>> Em Fri, Apr 01, 2016 at 03:49:32AM +0000, He Kuang escreveu:
>>> Build errors on aarch64:
>>>
>>> libperf.a(libperf-in.o): In function `convert_timestamp':
>>> util/jitdump.c:356: undefined reference to `tsc_to_perf_time'
>>> collect2: error: ld returned 1 exit status
>>> Makefile.perf:347: recipe for target 'perf' failed
>>> make[1]: *** [perf] Error 1
>>> Makefile:68: recipe for target 'all' failed
>>> make: *** [all] Error 2
>>
>> Got it, my cross-compile environment for aarch64 doesn't build jitdump.c
>> because it needs a package I haven't found in ubuntu:
>>
>> config/Makefile:416: No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev
>> minimal-ubuntu-x-arm64: Ok
>>
>> BTW, He, what environment do you use to build for arm64, is it a cross
>> compile one? Yocto?
>
> Adrian, BTW, Ok with this? I'm adding a:
>
> Fixes: d3e58a3b8b3b ("perf jit: Add support for using TSC as a timestamp")
>
> And would appreciate your Acked-by.

Sure, already did in http://marc.info/?l=linux-kernel&m=145949505329251

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>