From 331634fd809a8fe2829f6b691584f20db4de51b9 Mon Sep 17 00:00:00 2001
From: correctmost <134317971+correctmost@users.noreply.github.com>
Date: Sun, 1 Feb 2026 06:48:09 -0500
Subject: [PATCH] Measure install time with monotonic clock instead of system
 clock (#4198)

Using time.time() can be inaccurate if the system clock gets
updated in between calls.
---
 archinstall/scripts/guided.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/archinstall/scripts/guided.py b/archinstall/scripts/guided.py
index d8c2faac..1815d4e2 100644
--- a/archinstall/scripts/guided.py
+++ b/archinstall/scripts/guided.py
@@ -57,7 +57,7 @@ def perform_installation(
 	Only requirement is that the block devices are
 	formatted and setup prior to entering this function.
 	"""
-	start_time = time.time()
+	start_time = time.monotonic()
 	info('Starting installation...')
 
 	config = arch_config_handler.config
@@ -169,7 +169,7 @@ def perform_installation(
 		debug(f'Disk states after installing:\n{disk_layouts()}')
 
 		if not arch_config_handler.args.silent:
-			elapsed_time = time.time() - start_time
+			elapsed_time = time.monotonic() - start_time
 			action = select_post_installation(elapsed_time)
 
 			match action: