From 9d1b4bfd05b781951c0a11e036c69e6c1898722a Mon Sep 17 00:00:00 2001
From: Babz <babz@tfnux.org>
Date: Tue, 14 Sep 2021 18:41:53 +0200
Subject: [PATCH] show heap usage in statusbar

---
 src/ui.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/ui.c b/src/ui.c
index 322509c..a4a5601 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -2,6 +2,8 @@
 
 #include "term.h"
 #include <gint/display.h>
+#include <gint/kmalloc.h>
+#include <gint/mmu.h>
 #include <gint/rtc.h>
 
 #include <printf.h>
@@ -40,15 +42,19 @@ void set_statusbar(int tick_ctr, int shift_state, int alpha_state, int battery)
     for (int i = 0; i < UNS_TERM_COLS; i++)
         term_writeat(0, i, C_NONE, C_GREEN, " ");
 
+    kmalloc_arena_t *uram_arena = kmalloc_get_arena("_uram");
+    kmalloc_gint_stats_t *ram_stats = kmalloc_get_gint_stats(uram_arena);
+    const int uram_percent = 100 * ram_stats->used_memory / mmu_uram_size();
+
     char *shift_symbol = shift_state ? "⇫" : " ";
     char *alpha_symbol = alpha_state ? (shift_state ? "A" : "a") : "1";
 
+    char prefix[UNS_TERM_COLS + 1];
+    sprintf(prefix, "%s%s t=%d bat=%.2fV uram=%d%%", shift_symbol, alpha_symbol, tick_ctr, (float)battery / 100, uram_percent);
+
     char now[32];
     date_str(now);
 
-    char prefix[UNS_TERM_COLS + 1];
-    sprintf(prefix, "%s%s t=%d bat=%.2fV", shift_symbol, alpha_symbol, tick_ctr, (float)battery / 100);
-
     char suffix[UNS_TERM_COLS + 1];
     sprintf(suffix, "%s", now);