linux-kernel - Re: [PATCH v3] trace:Add "gfp_t" support in synthetic

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Message-ID: <20190904125923.7b1e66b8@oasis.local.home>
Date:   Wed, 4 Sep 2019 12:59:23 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Tom Zanussi <zanussi@...nel.org>
Cc:     Zhengjun Xing <zhengjun.xing@...ux.intel.com>, mingo@...hat.com,
        tom.zanussi@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] trace:Add "gfp_t" support in synthetic_events

On Wed, 04 Sep 2019 08:13:58 -0500
Tom Zanussi <zanussi@...nel.org> wrote:

> Hi Steve,
> 
> On Wed, 2019-09-04 at 06:43 -0400, Steven Rostedt wrote:
> > On Fri, 12 Jul 2019 11:05:06 -0500
> > Tom Zanussi <zanussi@...nel.org> wrote:
> >   
> > > Hi Zhengjun,
> > > 
> > > On Fri, 2019-07-12 at 09:53 +0800, Zhengjun Xing wrote:  
> > > > Add "gfp_t" support in synthetic_events, then the "gfp_t" type
> > > > parameter in some functions can be traced.
> > > > 
> > > > Prints the gfp flags as hex in addition to the human-readable
> > > > flag
> > > > string.  Example output:
> > > > 
> > > >   whoopsie-630 [000] ...1 78.969452: testevent: bar=b20
> > > > (GFP_ATOMIC|__GFP_ZERO)
> > > >     rcuc/0-11  [000] ...1 81.097555: testevent: bar=a20
> > > > (GFP_ATOMIC)
> > > >     rcuc/0-11  [000] ...1 81.583123: testevent: bar=a20
> > > > (GFP_ATOMIC)
> > > > 
> > > > Signed-off-by: Tom Zanussi <zanussi@...nel.org>  
> > 
> > Why is this Signed-off-by Tom? Tom, did you author part of this??
> >   
> 
> Yeah, I added the part that prints the flag names.
> 

OK, I'll comment that in the patch change log.

Thanks!

-- Steve