CHOP-753: Reduce redundancy in LLMemoryInfo.

Recast stream() to display data from LLSD array rather than reinvoking OS
operations used to capture it.
Make refresh() cache LLSD data in map form as well as array; fetch items from
that in a few places to avoid going back to OS.

1 files changed, 6 insertions, 4 deletions

diff --git a/indra/llcommon/llsys.h b/indra/llcommon/llsys.h
index 5b44757e08..8565bfa0b9 100644
--- a/indra/llcommon/llsys.h
+++ b/indra/llcommon/llsys.h
@@ -141,10 +141,12 @@ public:
 	LLMemoryInfo& refresh();
 
 private:
-	// Internally, we store memory stats as for getStatsArray(). It's
-	// straightforward to convert that to getStatsMap() form, less so to
-	// reconstruct the original order when converting the other way.
-	LLSD mData;
+	// Memory stats for getStatsArray(). It's straightforward to convert that
+	// to getStatsMap() form, less so to reconstruct the original order when
+	// converting the other way.
+	LLSD mStatsArray;
+	// Memory stats for getStatsMap().
+	LLSD mStatsMap;
 };