From 83a98543b58c661a22574a6f8d8f9d777c0955b8 Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Tue, 13 Dec 2011 20:23:40 -0500 Subject: dix: Tune dtrace hooks around Dispatch Don't call LookupMajorName if the hooks aren't active, it's quite expensive. Before: 40000000 trep @ 0.0009 msec (1087458.5/sec): PutImage 10x10 square 60000000 trep @ 0.0005 msec (2012238.6/sec): ShmPutImage 10x10 square After: 40000000 trep @ 0.0009 msec (1109091.3/sec): PutImage 10x10 square 60000000 trep @ 0.0005 msec (2072652.2/sec): ShmPutImage 10x10 square Reviewed-by: Alan Coopersmith Signed-off-by: Adam Jackson --- dix/dispatch.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/dix/dispatch.c b/dix/dispatch.c index 554462328..b91b41f4a 100644 --- a/dix/dispatch.c +++ b/dix/dispatch.c @@ -425,9 +425,11 @@ Dispatch(void) client->minorOp = ext->MinorOpcode(client); } #ifdef XSERVER_DTRACE - XSERVER_REQUEST_START(LookupMajorName(client->majorOp), client->majorOp, - ((xReq *)client->requestBuffer)->length, - client->index, client->requestBuffer); + if (XSERVER_REQUEST_START_ENABLED()) + XSERVER_REQUEST_START(LookupMajorName(client->majorOp), + client->majorOp, + ((xReq *)client->requestBuffer)->length, + client->index, client->requestBuffer); #endif if (result > (maxBigRequestSize << 2)) result = BadLength; @@ -438,8 +440,10 @@ Dispatch(void) XaceHookAuditEnd(client, result); } #ifdef XSERVER_DTRACE - XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp), client->majorOp, - client->sequence, client->index, result); + if (XSERVER_REQUEST_DONE_ENABLED()) + XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp), + client->majorOp, client->sequence, + client->index, result); #endif if (client->noClientException != Success) -- cgit v1.2.3