Re: [PATCH] trace-cmd: Try alternate path for message cache

[Steven Rostedt <rostedt@xxxxxxxxxxx>]

On Fri, 1 Apr 2022 15:50:10 -0400
Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> wrote:

> export TRACECMD_TEMPDIR="/data"
> 
> That’s fair. What about using memfd for this, do you feel that’s
> reasonable? I have not yet measured how big this file gets but if it’s
> small enough that might work too.

Is this a separate question? That is, do you mean using the above
environment variable *and* then use memfd?

I believe that the cache is used for passing the compressed data from the
guest to the host. I don't think it will be more than one compressed chunk.

But Tzvetomir would know better.

-- Steve