linux-kernel - Re: [PATCH net-next v4 0/6] net: tcp: sctp: dccp: Replace jprobe usage with trace events

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Date:   Wed, 20 Dec 2017 22:12:38 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     David Miller <davem@...emloft.net>, mingo@...nel.org,
        ian.mcdonald@...di.co.nz, vyasevich@...il.com,
        stephen@...workplumber.org, peterz@...radead.org,
        tglx@...utronix.de, linux-kernel@...r.kernel.org, hpa@...or.com,
        gerrit@....abdn.ac.uk, nhorman@...driver.com, dccp@...r.kernel.org,
        netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
        sfr@...b.auug.org.au
Subject: Re: [PATCH net-next v4 0/6] net: tcp: sctp: dccp: Replace jprobe
 usage with trace events

On Thu, 21 Dec 2017 11:36:57 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> On Wed, 20 Dec 2017 14:24:24 -0500 (EST)
> David Miller <davem@...emloft.net> wrote:
> 
> > From: David Miller <davem@...emloft.net>
> > Date: Wed, 20 Dec 2017 14:20:40 -0500 (EST)
> >   
> > > From: Masami Hiramatsu <mhiramat@...nel.org>
> > > Date: Wed, 20 Dec 2017 13:14:11 +0900
> > >   
> > >> This series is v4 of the replacement of jprobe usage with trace
> > >> events. This version is rebased on net-next, fixes a build warning
> > >> and moves a temporal variable definition in a block.
> > >> 
> > >> Previous version is here;
> > >> https://lkml.org/lkml/2017/12/19/153
> > >> 
> > >> Changes from v3:
> > >>   All: Rebased on net-next
> > >>   [3/6]: fixes a build warning for i386 by casting pointer unsigned
> > >>         long instead of __u64, and moves a temporal variable
> > >>          definition in a block.  
> > > 
> > > Looks good, series applied to net-next, thanks.  
> > 
> > Actually, this doesn't even compile, so I've reverted:
> > 
> > [davem@...p-10-15-49-227 net-next]$ make -s -j16
> > In file included from net/dccp/trace.h:105:0,
> >                  from net/dccp/proto.c:42:
> > ./include/trace/define_trace.h:89:42: fatal error: ./trace.h: No such file or directory
> >  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
> >                                           ^
> > compilation terminated.  
> 
> Hi David,
> 
> Could you share your .config file? I would like to reproduce it.
> When I tried with attached kconfig, I could not reproduce this issue,
> and could run it.
>

Hi Masami,

Are you sure you committed everything in this change set? I don't see a
modification of the Makefile to get the trace.h file you created.
Shouldn't there be something like:

CFLAGS_proto.o := -I$(src)

in the Makefile?

-- Steve