From 9daededf7f625af249cf81d05a430e3727003775 Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Tue, 4 Jan 2005 12:54:07 +0000
Subject: [PATCH] stats merged from REL1_3A

---
 includes/ParserCache.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/includes/ParserCache.php b/includes/ParserCache.php
index 00ed003058..4447869b31 100644
--- a/includes/ParserCache.php
+++ b/includes/ParserCache.php
@@ -35,6 +35,7 @@ class ParserCache {
 		$hash = $user->getPageRenderingHash();
 		$pageid = intval( $article->getID() );
 		$key = $this->getKey( $article, $user );
+
 		wfDebug( "Trying parser cache $key\n" );
 		$value = $this->mMemc->get( $key );
 		if ( is_object( $value ) ) {
@@ -45,15 +46,21 @@ class ParserCache {
 			$touched = $article->mTouched;
 			if ( !$canCache || $value->expired( $touched ) ) {
 				if ( !$canCache ) {
+					$this->incrStats( "pcache_miss_invalid" );
 					wfDebug( "Invalid cached redirect, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
 				} else {
+					$this->incrStats( "pcache_miss_expired" );
 					wfDebug( "Key expired, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
 				}
 				$this->mMemc->delete( $key );
 				$value = false;
+
+			} else {
+				$this->incrStats( "pcache_hit" );
 			}
 		} else {
 			wfDebug( "Parser cache miss.\n" );
+			$this->incrStats( "pcache_miss_absent" );
 			$value = false;
 		}
 
@@ -75,6 +82,14 @@ class ParserCache {
 		}
 		$this->mMemc->set( $key, $parserOutput, $expire );
 	}
+
+	function incrStats( $key ) {
+		global $wgDBname, $wgMemc;
+		$key = "$wgDBname:stats:$key";
+		if ( is_null( $wgMemc->incr( $key ) ) ) {
+			$wgMemc->add( $key, 1 );
+		}
+	}
 }
 
 
-- 
2.20.1