linux-kernel - Re: [PATCH v2] perf callchain: Return directly when use '--call-graph dwarf' under !HAVE_DWARF

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Message-ID: <20201215133944.GC252952@kernel.org>
Date:   Tue, 15 Dec 2020 10:39:44 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH v2] perf callchain: Return directly when use
 '--call-graph dwarf' under !HAVE_DWARF_SUPPORT

Em Tue, Dec 15, 2020 at 09:35:31AM +0800, Tiezhu Yang escreveu:
> DWARF register mappings have not been defined for some architectures,
> at least for mips, so we can print an error message and then return
> directly when use '--call-graph dwarf'.
> 
> E.g. without this patch:


Thanks, applied.

- Arnaldo