Harden coverage workflow and stabilize thermal test

Author: SaridakisStamatisChristos

.github/workflows/ci.yml

@@ -78,8 +78,8 @@ jobs:
 
       - name: Generate coverage report
         run: |
-          ~/.local/bin/gcovr --root . --txt coverage-summary.txt
-          ~/.local/bin/gcovr --root . --xml-pretty coverage.xml
+          ~/.local/bin/gcovr --root . --object-directory build --txt --output coverage-summary.txt
+          ~/.local/bin/gcovr --root . --object-directory build --xml-pretty --output coverage.xml
 
       - name: Upload coverage artifact
         uses: actions/upload-artifact@v4

tests/test_thermal_simd.c

@@ -56,11 +56,11 @@ static int run_monitor_thread_scenario(void) {
         return 1;
     }
     int rc = 0;
-    if (wait_for_width(SIMD_SSE41, 500) != 0) {
+    if (wait_for_width(SIMD_SSE41, 5000) != 0) {
         fprintf(stderr, "width did not downgrade\n");
         rc = 1;
     }
-    if (rc == 0 && wait_for_width(SIMD_AVX2, 500) != 0) {
+    if (rc == 0 && wait_for_width(SIMD_AVX2, 5000) != 0) {
         fprintf(stderr, "width did not upgrade\n");
         rc = 1;
     }