Messages in this thread | | | Subject | Re: trace/events: DECLARE vs DEFINE semantic | From | Steven Rostedt <> | Date | Thu, 03 Dec 2009 10:56:13 -0500 |
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On Thu, 2009-12-03 at 10:31 -0500, Masami Hiramatsu wrote: > Steven Rostedt wrote:
> >> Would you mean putting those headers in sub-system's directory? > >> (e.g. fs/ext4/) > >> In that case, a problem will happen when user want to hook those > >> tracepoint from their module, because it is hard to find those > >> local headers. > > > > Why? Modules usually do have their own headers in their sub system. > > Module's local headers usually uses only from itself. Other modules > may not touch it. However, AFAIK, event definitions must be referred > by event consumer which is another module. IOW, those local headers > will not be included in kernel-headers/kernel-devel package :-(
I'm a little confused. Who is the event consumer? The trace point user? The one that hooks into the tracepoint?
-- Steve
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