linux-kernel - Re: [PATCH v5 0/3] perf report: Support annotation of code without symbols

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Message-Id: <ff574b62-d8b4-79df-2752-e63eb70ad5d0@linux.ibm.com>
Date:   Mon, 2 Mar 2020 09:38:59 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     Jin Yao <yao.jin@...ux.intel.com>, acme@...nel.org
Cc:     jolsa@...nel.org, peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, kan.liang@...el.com, yao.jin@...el.com,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: Re: [PATCH v5 0/3] perf report: Support annotation of code without
 symbols



On 2/27/20 10:09 AM, Jin Yao wrote:
> For perf report on stripped binaries it is currently impossible to do
> annotation. The annotation state is all tied to symbols, but there are
> either no symbols, or symbols are not covering all the code.
> 
> We should support the annotation functionality even without symbols.
> 
> The first patch uses al_addr to print because it's easy to dump
> the instructions from this address in binary for branch mode.
> 
> The second patch supports the annotation on stripped binary.
> 
> The third patch supports the hotkey 'a' on address for annotation.

For the series:
Tested-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>

Ravi