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Add DTrace probe points for X server <-> client communications

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See http://people.freedesktop.org/~alanc/dtrace/ for more details
This commit is contained in:
Alan Coopersmith 2006-11-03 12:54:43 -08:00
commit 49a26681b2
11 changed files with 453 additions and 6 deletions
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56
dix/resource.c
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@ -72,6 +72,34 @@ dealings in this Software without prior written authorization from Digital
Equipment Corporation.
******************************************************************/
/* XSERVER_DTRACE additions:
* Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* of the copyright holder.
*/
/* $TOG: resource.c /main/41 1998/02/09 14:20:31 kaleb $ */
@ -125,6 +153,14 @@ Equipment Corporation.
#endif
#include <assert.h>
#ifdef XSERVER_DTRACE
#include <sys/types.h>
typedef const char *string;
#include "Xserver-dtrace.h"
#define TypeNameString(t) NameForAtom(ResourceNames[t & TypeMask])
#endif
static void RebuildTable(
int /*client*/
);
@ -429,6 +465,9 @@ AddResource(XID id, RESTYPE type, pointer value)
register ClientResourceRec *rrec;
register ResourcePtr res, *head;
#ifdef XSERVER_DTRACE
XSERVER_RESOURCE_ALLOC(id, type, value, TypeNameString(type));
#endif
client = CLIENT_ID(id);
rrec = &clientTable[client];
if (!rrec->buckets)
@ -528,6 +567,11 @@ FreeResource(XID id, RESTYPE skipDeleteFuncType)
if (res->id == id)
{
RESTYPE rtype = res->type;
#ifdef XSERVER_DTRACE
XSERVER_RESOURCE_FREE(res->id, res->type,
res->value, TypeNameString(res->type));
#endif
*prev = res->next;
elements = --*eltptr;
if (rtype & RC_CACHED)
@ -569,6 +613,10 @@ FreeResourceByType(XID id, RESTYPE type, Bool skipFree)
{
if (res->id == id && res->type == type)
{
#ifdef XSERVER_DTRACE
XSERVER_RESOURCE_FREE(res->id, res->type,
res->value, TypeNameString(res->type));
#endif
*prev = res->next;
if (type & RC_CACHED)
FlushClientCaches(res->id);
@ -731,6 +779,10 @@ FreeClientNeverRetainResources(ClientPtr client)
RESTYPE rtype = this->type;
if (rtype & RC_NEVERRETAIN)
{
#ifdef XSERVER_DTRACE
XSERVER_RESOURCE_FREE(this->id, this->type,
this->value, TypeNameString(this->type));
#endif
*prev = this->next;
if (rtype & RC_CACHED)
FlushClientCaches(this->id);
@ -777,6 +829,10 @@ FreeClientResources(ClientPtr client)
for (this = *head; this; this = *head)
{
RESTYPE rtype = this->type;
#ifdef XSERVER_DTRACE
XSERVER_RESOURCE_FREE(this->id, this->type,
this->value, TypeNameString(this->type));
#endif
*head = this->next;
if (rtype & RC_CACHED)
FlushClientCaches(this->id);