From fa27f1976e800c8e224a89ea4317ca29a23a1f3d Mon Sep 17 00:00:00 2001
From: goeiecool9999 <>
Date: Sat, 10 Sep 2022 14:33:54 +0200
Subject: [PATCH] Use smaps_rollup for more accurate info.

---
 src/util/SystemInfo/SystemInfoLinux.cpp | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/src/util/SystemInfo/SystemInfoLinux.cpp b/src/util/SystemInfo/SystemInfoLinux.cpp
index 07fe9aea..954b1559 100644
--- a/src/util/SystemInfo/SystemInfoLinux.cpp
+++ b/src/util/SystemInfo/SystemInfoLinux.cpp
@@ -2,30 +2,21 @@
 
 #include "util/SystemInfo/SystemInfo.h"
 
-#include <unistd.h>
 #include <sys/times.h>
 
 uint64 QueryRamUsage()
 {
-	long page_size = sysconf(_SC_PAGESIZE);
-	if (page_size == -1)
-	{
-		return 0;
-	}
-
-	std::ifstream file("/proc/self/statm");
+	std::ifstream file("/proc/self/smaps_rollup");
 	if (file)
 	{
+		file.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
 		file.ignore(std::numeric_limits<std::streamsize>::max(), ' ');
-		uint64 no_pages;
-		file >> no_pages;
+		uint64 kilobytes;
+		file >> kilobytes;
 
-		return no_pages * page_size;
-	}
-	else
-	{
-		return 0;
+		return kilobytes / 1000;
 	}
+	return 0;
 }
 
 void QueryProcTime(uint64 &out_now, uint64 &out_user, uint64 &out_kernel)
@@ -64,4 +55,4 @@ void QueryCoreTimes(uint32 count, ProcessorTime out[])
 	}
 }
 
-#endif
\ No newline at end of file
+#endif