From 22fbd7d630390f1e3070259b6212a0fca97eb176 Mon Sep 17 00:00:00 2001
From: Justin Martin <jaming@protonmail.com>
Date: Fri, 7 Feb 2025 19:02:07 -0500
Subject: [PATCH] other: return `None` when `mem_total` is zero (#1667)

---
 src/collection/memory/arc.rs     | 12 ++++++++----
 src/collection/memory/sysinfo.rs | 13 ++++++++-----
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/collection/memory/arc.rs b/src/collection/memory/arc.rs
index 46251d64..3f6eefe0 100644
--- a/src/collection/memory/arc.rs
+++ b/src/collection/memory/arc.rs
@@ -63,8 +63,12 @@ pub(crate) fn get_arc_usage() -> Option<MemHarvest> {
         }
     };
 
-    Some(MemHarvest {
-        total_bytes: mem_total,
-        used_bytes: mem_used,
-    })
+    if mem_total > 0 {
+        Some(MemHarvest {
+            total_bytes: mem_total,
+            used_bytes: mem_used,
+        })
+    } else {
+        None
+    }
 }
diff --git a/src/collection/memory/sysinfo.rs b/src/collection/memory/sysinfo.rs
index f7540b23..fb67b718 100644
--- a/src/collection/memory/sysinfo.rs
+++ b/src/collection/memory/sysinfo.rs
@@ -19,11 +19,14 @@ pub(crate) fn get_ram_usage(sys: &System) -> Option<MemHarvest> {
 pub(crate) fn get_swap_usage(sys: &System) -> Option<MemHarvest> {
     let mem_used = sys.used_swap();
     let mem_total = sys.total_swap();
-
-    Some(MemHarvest {
-        used_bytes: mem_used,
-        total_bytes: mem_total,
-    })
+    if mem_total > 0 {
+        Some(MemHarvest {
+            used_bytes: mem_used,
+            total_bytes: mem_total,
+        })
+    } else {
+        None
+    }
 }
 
 /// Returns cache usage. sysinfo has no way to do this directly but it should