From 748684df05750301246bbd65d4b415e7e0601d81 Mon Sep 17 00:00:00 2001
From: Romain Beurdouche <romain.beurdouche@eurecom.fr>
Date: Tue, 29 Apr 2025 12:46:28 +0000
Subject: [PATCH] feat(time_meas): Standard deviation & merge

`diff_square` was not merged in `merge_meas` so that calculation of the
standard deviation was not working with merged timers.
---
 common/utils/time_meas.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/utils/time_meas.h b/common/utils/time_meas.h
index f7c2810b60..de79a0252d 100644
--- a/common/utils/time_meas.h
+++ b/common/utils/time_meas.h
@@ -193,6 +193,7 @@ static inline void merge_meas(time_stats_t *dst_ts, const time_stats_t *src_ts)
     return;
   dst_ts->trials += src_ts->trials;
   dst_ts->diff += src_ts->diff;
+  dst_ts->diff_square += src_ts->diff_square;
   if (src_ts->max > dst_ts->max)
     dst_ts->max = src_ts->max;
 }