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tracing: Add DEFINE_EVENT(), DEFINE_SINGLE_EVENT() support to docbook

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The introduction of the new 'DECLARE_EVENT_CLASS()' obviates the
need for the 'TRACE_EVENT()' macro in some cases. Thus, docbook
style comments that used to live with 'TRACE_EVENT()' are now
moved to 'DEFINE_EVENT()'. Thus, we need to make the docbook
system understand the new 'DEFINE_EVENT()' macro. In addition
I've tried to futureproof the patch, by also adding support for
'DEFINE_SINGLE_EVENT()', since there has been discussion about
renaming: TRACE_EVENT() -> DEFINE_SINGLE_EVENT().

Without this patch the tracepoint docbook fails to build.

I've verified that this patch correctly builds the tracepoint
docbook which currently covers signals, and irqs.

Changes in v2:
 - properly indent perl 'if' statements

Signed-off-by: Jason Baron <jbaron@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: William Cohen <wcohen@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
LKML-Reference: <200912011718.nB1HIn7t011371@int-mx04.intmail.prod.int.phx2.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jason Baron 2009-12-01 12:18:49 -05:00 committed by Ingo Molnar
parent ec70ccd806
commit 3a9089fd78
1 changed files with 12 additions and 3 deletions
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11
scripts/kernel-doc
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@ -1855,6 +1855,13 @@ sub tracepoint_munge($) {
if ($prototype =~ m/TRACE_EVENT\((.*?),/) {
$tracepointname = $1;
}
if ($prototype =~ m/DEFINE_SINGLE_EVENT\((.*?),/) {
$tracepointname = $1;
}
if ($prototype =~ m/DEFINE_EVENT\((.*?),(.*?),/) {
$tracepointname = $2;
}
$tracepointname =~ s/^\s+//; #strip leading whitespace
if ($prototype =~ m/TP_PROTO\((.*?)\)/) {
$tracepointargs = $1;
}
@ -1920,7 +1927,9 @@ sub process_state3_function($$) {
if ($prototype =~ /SYSCALL_DEFINE/) {
syscall_munge();
}
if ($prototype =~ /TRACE_EVENT/) {
if ($prototype =~ /TRACE_EVENT/ || $prototype =~ /DEFINE_EVENT/ ||
$prototype =~ /DEFINE_SINGLE_EVENT/)
{
tracepoint_munge($file);
}
dump_function($prototype, $file);