From b1908587ee1d78a061cb81e8929cf767b17bead2 Mon Sep 17 00:00:00 2001
From: jpirnay <jens@pirnay.com>
Date: Wed, 20 May 2026 10:57:46 +0200
Subject: [PATCH] Reduce non-sensical logs

---
 lib/EpdFont/FontDecompressor.cpp | 6 ++++++
 lib/EpdFont/SdCardFont.cpp       | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/EpdFont/FontDecompressor.cpp b/lib/EpdFont/FontDecompressor.cpp
index 3c05e77e..9694c81c 100644
--- a/lib/EpdFont/FontDecompressor.cpp
+++ b/lib/EpdFont/FontDecompressor.cpp
@@ -567,6 +567,12 @@ void FontDecompressor::resetStats() { stats = Stats{}; }
 
 void FontDecompressor::logStats(const char* label) {
   const uint32_t total = stats.cacheHits + stats.cacheMisses;
+  // Suppress the block entirely when the decompressor was untouched this phase
+  // (e.g. an SD-card font page — FontCacheManager early-returns before invoking us).
+  if (total == 0 && stats.pageBufferBytes == 0 && stats.decompressTimeMs == 0 && stats.getBitmapCalls == 0) {
+    resetStats();
+    return;
+  }
   LOG_DBG("FDC", "[%s] hits=%lu misses=%lu (%.1f%% hit rate)", label, stats.cacheHits, stats.cacheMisses,
           total > 0 ? 100.0f * stats.cacheHits / total : 0.0f);
   LOG_DBG("FDC", "[%s] decompress=%lums groups_accessed=%u", label, stats.decompressTimeMs, stats.uniqueGroupsAccessed);
diff --git a/lib/EpdFont/SdCardFont.cpp b/lib/EpdFont/SdCardFont.cpp
index 725bf8bd..939f6be8 100644
--- a/lib/EpdFont/SdCardFont.cpp
+++ b/lib/EpdFont/SdCardFont.cpp
@@ -1331,6 +1331,12 @@ void SdCardFont::clearAccumulation() {
 // --- Stats ---
 
 void SdCardFont::logStats(const char* label) {
+  // Suppress when this font wasn't touched this phase — FontCacheManager iterates every
+  // registered SD font, but only the active one for the page will have non-zero stats.
+  if (stats_.prewarmTotalMs == 0 && stats_.sdReadTimeMs == 0 && stats_.seekCount == 0 && stats_.uniqueGlyphs == 0 &&
+      stats_.bitmapBytes == 0) {
+    return;
+  }
   LOG_DBG("SDCF", "[%s] total=%ums sd_read=%ums seeks=%u glyphs=%u bitmap=%u bytes", label, stats_.prewarmTotalMs,
           stats_.sdReadTimeMs, stats_.seekCount, stats_.uniqueGlyphs, stats_.bitmapBytes);
 }