How to enable ETM/ETB on Qualcom chipset

[Mathieu Poirier]

On 19 September 2014 14:11, Lijun Chen <ljchen999 at gmail.com> wrote:
> Resent with plain text mode.
>
> Thanks, Mathieu.
>
> I will keep monitoring the following links. BTW, is it going to be
> supported in AOSP L-series?

All the work we are doing is targeting the mainline kernel.  When
things do go mainline you can use Linaro's LSK if you need an Android
kernel.

Mathieu

>
> Regards,
> Lijun
>
> On Thu, Sep 18, 2014 at 8:37 PM, Mathieu Poirier
> <mathieu.poirier at linaro.org> wrote:
>> HW assisted tracing is currently not supported upstream on a core like
>> the 8974.  There is currently a lot of work being done to change that
>> but things aren't finished yet.
>>
>> Support for the 8974 can be found here [1] and here [2] as work in progress.
>>
>> For a free trace decoding "ptm2human" does a pretty good job.  Tools
>> like DS-5 and Trace32 will work flawlessly.
>>
>> Mathieu
>>
>> [1]. https://www.codeaurora.org/cgit/quic/la/kernel/msm-3.10/log/?h=LNX.LA.3.7.1_rb3.2
>> [2]. https://git.linaro.org/kernel/coresight.git
>>
>> On 15 September 2014 09:49, Lijun Chen <ljchen999 at gmail.com> wrote:
>>> Hi,
>>>
>>> Anybody used ETM/ETB on Qualcomm, e.g. 8974? Which CONFIGs need to be
>>> turned on? And how to decode the buffer afterwards?
>>>
>>> Thanks,
>>> Lijun
>>>
>>>
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