linux-kernel - Re: [PATCH 3/9] tools/lib/traceevent: Install trace-seq.h API header file

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Date:   Wed, 5 Dec 2018 12:03:34 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Namhyung Kim <namhyung@...nel.org>, linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tzvetomir Stoyanov <tstoyanov@...are.com>, kernel-team@....com
Subject: Re: [PATCH 3/9] tools/lib/traceevent: Install trace-seq.h API
 header file

On Wed, 5 Dec 2018 13:25:17 +0100
Jiri Olsa <jolsa@...hat.com> wrote:

> On Tue, Dec 04, 2018 at 02:41:45PM -0500, Steven Rostedt wrote:
> > On Tue, 4 Dec 2018 16:47:39 +0900
> > Namhyung Kim <namhyung@...nel.org> wrote:
> > 
> >   
> > > > @@ -302,6 +302,7 @@ install_headers:
> > > >  	$(call QUIET_INSTALL, headers) \
> > > >  		$(call do_install,event-parse.h,$(prefix)/include/traceevent,644); \
> > > >  		$(call do_install,event-utils.h,$(prefix)/include/traceevent,644); \
> > > > +		$(call do_install,trace-seq.h,$(prefix)/include/traceevent,644); \
> > > >  		$(call do_install,kbuffer.h,$(prefix)/include/traceevent,644)    
> > > 
> > > Do you still wanna have 'traceevent' directory prefix?  I just
> > > sometimes feel a bit annoying to type it. ;-)  
> > 
> > I'd still want the separate directory for it. I'll probably have a
> > ftrace.h file added to this for ftrace specific code in the future.
> >   
> > > 
> > > Or you can rename it something like 'tep' or 'libtep' - and hopefully
> > > having only single header file to include..
> > >  
> > 
> > Hmm, I wonder if we should just call the directory "trace"?  
> 
> hum, I think it should match the library name, like 'include/tep/'

I was hoping to add other headers in this directly, like ftrace.h and
perf.h ;-)

> 
> also we should change the plugin installation directory
> 
> [jolsa@...va traceevent]$ rpm -ql perf | grep traceevent
> /usr/lib64/traceevent
> /usr/lib64/traceevent/plugins
> /usr/lib64/traceevent/plugins/plugin_cfg80211.so
> /usr/lib64/traceevent/plugins/plugin_function.so
> /usr/lib64/traceevent/plugins/plugin_hrtimer.so
> /usr/lib64/traceevent/plugins/plugin_jbd2.so
> /usr/lib64/traceevent/plugins/plugin_kmem.so
> /usr/lib64/traceevent/plugins/plugin_kvm.so
> /usr/lib64/traceevent/plugins/plugin_mac80211.so
> /usr/lib64/traceevent/plugins/plugin_sched_switch.so
> /usr/lib64/traceevent/plugins/plugin_scsi.so
> /usr/lib64/traceevent/plugins/plugin_xen.so

Change it to tep?

-- Steve