diff options
Diffstat (limited to 'dix/dispatch.c')
| -rw-r--r-- | dix/dispatch.c | 119 |
1 files changed, 118 insertions, 1 deletions
diff --git a/dix/dispatch.c b/dix/dispatch.c index 6347e3924..2e7fa79ab 100644 --- a/dix/dispatch.c +++ b/dix/dispatch.c @@ -74,6 +74,36 @@ 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. + */ + + #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> @@ -119,6 +149,17 @@ int ProcInitialConnection(); #include <X11/extensions/XKBsrv.h> #endif +#ifdef XSERVER_DTRACE +#include <sys/types.h> +typedef const char *string; +#include "Xserver-dtrace.h" + +char *RequestNames[256]; +static void LoadRequestNames(void); +static void FreeRequestNames(void); +#define GetRequestName(i) (RequestNames[i]) +#endif + #define mskcnt ((MAXCLIENTS + 31) / 32) #define BITMASK(i) (1U << ((i) & 31)) #define MASKIDX(i) ((i) >> 5) @@ -373,6 +414,10 @@ Dispatch(void) if (!clientReady) return; +#ifdef XSERVER_DTRACE + LoadRequestNames(); +#endif + while (!dispatchException) { if (*icheck[0] != *icheck[1]) @@ -452,6 +497,11 @@ Dispatch(void) client->requestLog[client->requestLogIndex] = MAJOROP; client->requestLogIndex++; #endif +#ifdef XSERVER_DTRACE + XSERVER_REQUEST_START(GetRequestName(MAJOROP), MAJOROP, + ((xReq *)client->requestBuffer)->length, + client->index, client->requestBuffer); +#endif if (result > (maxBigRequestSize << 2)) result = BadLength; else @@ -464,7 +514,11 @@ Dispatch(void) #else result = (* client->requestVector[MAJOROP])(client); #endif /* XACE */ - +#ifdef XSERVER_DTRACE + XSERVER_REQUEST_DONE(GetRequestName(MAJOROP), MAJOROP, + client->sequence, client->index, result); +#endif + if (result != Success) { if (client->noClientException != Success) @@ -495,6 +549,9 @@ Dispatch(void) KillAllClients(); DEALLOCATE_LOCAL(clientReady); dispatchException &= ~DE_RESET; +#ifdef XSERVER_DTRACE + FreeRequestNames(); +#endif } #undef MAJOROP @@ -3569,6 +3626,9 @@ CloseDownClient(register ClientPtr client) CallCallbacks((&ClientStateCallback), (pointer)&clientinfo); } FreeClientResources(client); +#ifdef XSERVER_DTRACE + XSERVER_CLIENT_DISCONNECT(client->index); +#endif if (client->index < nextFreeClientID) nextFreeClientID = client->index; clients[client->index] = NullClient; @@ -3995,3 +4055,60 @@ MarkClientException(ClientPtr client) { client->noClientException = -1; } + +#ifdef XSERVER_DTRACE +#include <ctype.h> + +/* Load table of request names for dtrace probes */ +static void LoadRequestNames(void) +{ + int i; + FILE *xedb; + extern void LoadExtensionNames(char **RequestNames); + + bzero(RequestNames, 256 * sizeof(char *)); + + xedb = fopen(XERRORDB_PATH, "r"); + if (xedb != NULL) { + char buf[256]; + while (fgets(buf, sizeof(buf), xedb)) { + if ((strncmp("XRequest.", buf, 9) == 0) && (isdigit(buf[9]))) { + char *name; + i = strtol(buf + 9, &name, 10); + if (RequestNames[i] == 0) { + char *end = strchr(name, '\n'); + if (end) { *end = '\0'; } + RequestNames[i] = strdup(name + 1); + } + } + } + fclose(xedb); + } + + LoadExtensionNames(RequestNames); + + for (i = 0; i < 256; i++) { + if (RequestNames[i] == 0) { +#define RN_SIZE 12 /* "Request#' + up to 3 digits + \0 */ + RequestNames[i] = xalloc(RN_SIZE); + if (RequestNames[i]) { + snprintf(RequestNames[i], RN_SIZE, "Request#%d", i); + } + } + /* fprintf(stderr, "%d: %s\n", i, RequestNames[i]); */ + } +} + +static void FreeRequestNames(void) +{ + int i; + + for (i = 0; i < 256; i++) { + if (RequestNames[i] != 0) { + free(RequestNames[i]); + RequestNames[i] = 0; + } + } +} + +#endif |