From e241dbeba4bd8e4f9cd2786d76697afd6057e406 Mon Sep 17 00:00:00 2001
From: Vincent Loupmon <vincentloupmon@gmail.com>
Date: Wed, 9 Mar 2016 12:38:22 +0100
Subject: Changed RAM calculation formula.
Former : MemTotal - MemAvailable
New : (MemTotal - MemFree) - (Buffers + Cached)
---
slstatus.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/slstatus.c b/slstatus.c
index cd2def6..331a345 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -162,7 +162,7 @@ char *
get_ram_usage()
{
int ram_perc;
- long total, free, available;
+ long total, free, buffers, cached;
FILE *fp;
/* open meminfo file */
@@ -174,13 +174,14 @@ get_ram_usage()
/* read the values */
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
- fscanf(fp, "MemAvailable: %ld kB\n", &available);
+ fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
+ fscanf(fp, "Cached: %ld kB\n", &cached);
/* close meminfo file */
fclose(fp);
/* calculate percentage */
- ram_perc = 100 * (total - available) / total;
+ ram_perc = 100 * ((total - free) - (buffers + cached)) / total;
/* return ram_perc as string */
return smprintf("%d%%",ram_perc);
--
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