Disable PGO on macOS except for official releases.

.github/workflows/cmake-macos.yml

@@ -184,12 +184,14 @@ jobs:
           sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
 
     - name: Build instrumented freedv-gui
+      if: ${{ vars.FREEDV_MACOS_CODE_SIGNING_TEAM_ID != '' }}
       shell: bash
       working-directory: ${{github.workspace}}
       run: |
           BUILD_TYPE=Release UT_ENABLE=0 UNIV_BUILD=1 BUILD_DEPS=1 PGO_INSTRUMENT=1 CC=$(brew --prefix llvm@20)/bin/clang CXX=$(brew --prefix llvm@20)/bin/clang++ OBJCXX=$(brew --prefix llvm@20)/bin/clang ./build_osx.sh
 
     - name: Generate optimization profile
+      if: ${{ vars.FREEDV_MACOS_CODE_SIGNING_TEAM_ID != '' }}
       shell: bash
       working-directory: ${{github.workspace}}
       run: |
@@ -197,13 +199,13 @@ jobs:
           LLVM_PROFILE_FILE="code-%p.profraw" FREEDV_COMPUTER_TO_RADIO_DEVICE="VB-Cable" FREEDV_RADIO_TO_COMPUTER_DEVICE="VB-Cable" FREEDV_COMPUTER_TO_SPEAKER_DEVICE="BlackHole1 2ch" FREEDV_MICROPHONE_TO_COMPUTER_DEVICE="BlackHole2 2ch" ../test/generate_pgo_profiles.sh 2>&1
           $(brew --prefix llvm@20)/bin/llvm-profdata merge -output ${{ github.workspace }}/code.profdata code-*.profraw
 
-    - name: Build PGO optimized freedv-gui (unsigned)
+    - name: Build freedv-gui (unsigned)
       if: ${{ vars.FREEDV_MACOS_CODE_SIGNING_TEAM_ID == '' }}
       shell: bash
       working-directory: ${{github.workspace}}
       run: |
           rm -rf build_osx
-          BUILD_TYPE=Release UT_ENABLE=0 UNIV_BUILD=1 BUILD_DEPS=1 PGO_USE_PROFILE=${{github.workspace}}/code.profdata CC=$(brew --prefix llvm@20)/bin/clang CXX=$(brew --prefix llvm@20)/bin/clang++ OBJCXX=$(brew --prefix llvm@20)/bin/clang  ./build_osx.sh 
+          BUILD_TYPE=Release UT_ENABLE=0 UNIV_BUILD=1 BUILD_DEPS=1 ./build_osx.sh 
 
     - name: Build PGO optimized freedv-gui (signed)
       if: ${{ vars.FREEDV_MACOS_CODE_SIGNING_TEAM_ID != '' }}

src/gui/controls/plot_waterfall.cpp

@@ -27,6 +27,8 @@
 #include "plot_waterfall.h"
 #include "codec2_fdmdv.h" // for FDMDV_FCENTRE
 
+#include "util/logging/ulog.h"
+
 // Tweak accordingly
 #define Y_PER_SECOND (30) 
 
@@ -191,9 +193,11 @@ bool PlotWaterfall::checkDT(void)
 
     float px_per_sec = (float)m_rGrid.GetHeight() / WATERFALL_SECS_Y;
     float dy = m_dT * px_per_sec;
+    log_info("dy = %f, m_dT = %f, pxpps = %f", dy, m_dT, px_per_sec);
     
     if (dy < 1.0) {
         m_dT += DT;
+        log_info("new m_DT = %f", m_dT);
         return false;
     }
     else