diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92048b29..9bcd0542 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -85,6 +85,7 @@ jobs:
         if: matrix.os == 'ubuntu-22.04' && matrix.perm == 'root' && matrix.dir == 'github'
         run: |
           export DLIO_PROFILER_ENABLE=1
+          export DLIO_PROFILER_LOG_LEVEL=ERROR
           dlio_benchmark workload=unet3d ++workload.output.folder=$PWD/output ++workload.train.computation_time=0.05 ++workload.evaluation.eval_time=0.01 ++workload.train.epochs=2 ++workload.workflow.train=True ++workload.workflow.generate_data=True ++workload.dataset.num_files_train=16 ++workload.dataset.num_files_eval=16 ++workload.reader.read_threads=2 ++workload.dataset.record_length=4096 ++workload.dataset.record_length_stdev=0 \
                         ++workload.framework=tensorflow ++workload.reader.data_loader=tensorflow ++workload.dataset.format=npz
           ls -a $PWD/output
diff --git a/include/dlio_profiler/core/dlio_profiler_main.h b/include/dlio_profiler/core/dlio_profiler_main.h
index f60179ad..1a0dc173 100644
--- a/include/dlio_profiler/core/dlio_profiler_main.h
+++ b/include/dlio_profiler/core/dlio_profiler_main.h
@@ -20,7 +20,7 @@
 #include <csignal>
 #include "typedef.h"
 
-static void handler(int sig) {
+static void handler(int sig) {  // GCOVR_EXCL_START
   void *array[10];
   size_t size;
 
@@ -31,7 +31,7 @@ static void handler(int sig) {
   fprintf(stderr, "Error: signal %d:\n", sig);
   backtrace_symbols_fd(array, size, STDERR_FILENO);
   exit(1);
-}
+}  // GCOVR_EXCL_STOP
 
 namespace dlio_profiler {
     class DLIOProfilerCore {
diff --git a/src/dlio_profiler/brahma/posix.h b/src/dlio_profiler/brahma/posix.h
index a4db903b..21cbab42 100644
--- a/src/dlio_profiler/brahma/posix.h
+++ b/src/dlio_profiler/brahma/posix.h
@@ -57,7 +57,7 @@ class POSIXDLIOProfiler : public POSIX {
     (void) data;
     ignore_filename.push_back(resolved_path);
   }
-  ~POSIXDLIOProfiler() override = default;
+  ~POSIXDLIOProfiler() override = default;   // GCOVR_EXCL_LINE
   static std::shared_ptr<POSIXDLIOProfiler> get_instance() {
     if (instance == nullptr) {
       instance = std::make_shared<POSIXDLIOProfiler>();
diff --git a/src/dlio_profiler/core/dlio_profiler_main.cpp b/src/dlio_profiler/core/dlio_profiler_main.cpp
index 7b5735d9..6c46e14c 100644
--- a/src/dlio_profiler/core/dlio_profiler_main.cpp
+++ b/src/dlio_profiler/core/dlio_profiler_main.cpp
@@ -37,10 +37,10 @@ dlio_profiler::DLIOProfilerCore::DLIOProfilerCore(ProfilerStage stage, ProfileTy
       }
       break;
     }
-    default: {
+    default: {  // GCOVR_EXCL_START
       DLIO_PROFILER_LOGERROR(UNKNOWN_PROFILER_TYPE.message, type);
       throw std::runtime_error(UNKNOWN_PROFILER_TYPE.code);
-    }
+    }  // GCOVR_EXCL_STOP
   }
 }
 
@@ -73,7 +73,7 @@ dlio_profiler::DLIOProfilerCore::initlialize(bool is_init, bool _bind, const cha
   bind_signals();
   if (is_init) {
     char *dlio_profiler_log_level = getenv(DLIO_PROFILER_LOG_LEVEL);
-    if (dlio_profiler_log_level == nullptr) {
+    if (dlio_profiler_log_level == nullptr) {  // GCOV_EXCL_START
       logger_level = cpplogger::LoggerType::LOG_ERROR;
     } else {
       if (strcmp(dlio_profiler_log_level, "ERROR") == 0) {
@@ -83,7 +83,7 @@ dlio_profiler::DLIOProfilerCore::initlialize(bool is_init, bool _bind, const cha
       } else if (strcmp(dlio_profiler_log_level, "DEBUG") == 0) {
         logger_level = cpplogger::LoggerType::LOG_WARN;
       }
-    }
+    }  // GCOV_EXCL_STOP
     DLIO_PROFILER_LOGGER->level = logger_level;
     DLIO_PROFILER_LOGINFO("Enabling logging level %d", logger_level);
 
@@ -95,7 +95,7 @@ dlio_profiler::DLIOProfilerCore::initlialize(bool is_init, bool _bind, const cha
       DLIO_PROFILER_LOGINFO("DLIO Profiler enabled", "");
       char *dlio_profiler_priority_str = getenv(DLIO_PROFILER_GOTCHA_PRIORITY);
       if (dlio_profiler_priority_str != nullptr) {
-        gotcha_priority = atoi(dlio_profiler_priority_str);
+        gotcha_priority = atoi(dlio_profiler_priority_str); // GCOV_EXCL_LINE
       }
       if (_process_id == nullptr || *_process_id == -1) {
         this->process_id = getpid();
@@ -107,10 +107,10 @@ dlio_profiler::DLIOProfilerCore::initlialize(bool is_init, bool _bind, const cha
         char *dlio_profiler_log = getenv(DLIO_PROFILER_LOG_FILE);
         if (dlio_profiler_log != nullptr) {
           this->log_file = std::string(dlio_profiler_log) + "-" + std::to_string(this->process_id) + ".pfw";
-        } else {
+        } else {  // GCOV_EXCL_START
           DLIO_PROFILER_LOGERROR(UNDEFINED_LOG_FILE.message, "");
           throw std::runtime_error(UNDEFINED_LOG_FILE.code);
-        }
+        } // GCOV_EXCL_STOP
       } else {
         this->log_file = _log_file;
       }
@@ -119,10 +119,10 @@ dlio_profiler::DLIOProfilerCore::initlialize(bool is_init, bool _bind, const cha
         char *dlio_profiler_data_dirs = getenv(DLIO_PROFILER_DATA_DIR);
         if (dlio_profiler_data_dirs != nullptr) {
           this->data_dirs = dlio_profiler_data_dirs;
-        } else {
+        } else { // GCOV_EXCL_START
           DLIO_PROFILER_LOGERROR(UNDEFINED_DATA_DIR.message, "");
           throw std::runtime_error(UNDEFINED_DATA_DIR.code);
-        }
+        } // GCOV_EXCL_STOP
       } else {
         this->data_dirs = _data_dirs;
       }
diff --git a/src/dlio_profiler/dlio_logger.h b/src/dlio_profiler/dlio_logger.h
index 9e6cf202..6c2bbc00 100644
--- a/src/dlio_profiler/dlio_logger.h
+++ b/src/dlio_profiler/dlio_logger.h
@@ -31,7 +31,7 @@ class DLIOLogger {
       }
       char *dlio_profiler_error = getenv("DLIO_PROFILER_ERROR");
       if (dlio_profiler_error != nullptr && strcmp(dlio_profiler_error, "1") == 0) {
-        throw_error = true;
+        throw_error = true; // GCOVR_EXCL_LINE
       }
       this->is_init=true;
       int fd = -1;
@@ -42,7 +42,7 @@ class DLIOLogger {
           fd = fileno(stderr);
           log_file = "STDERR";
         } else {
-          if (strcmp(dlio_profiler_log_dir, "STDERR") == 0) {
+          if (strcmp(dlio_profiler_log_dir, "STDERR") == 0) { // GCOV_EXCL_START
             fd = fileno(stderr);
             log_file = "STDERR";
           } else if (strcmp(dlio_profiler_log_dir, "STDOUT") == 0) {
@@ -51,7 +51,7 @@ class DLIOLogger {
           } else {
             int pid = getpid();
             log_file = std::string(dlio_profiler_log_dir) + "/" + "trace_ll_" + std::to_string(pid) + ".pfw";
-          }
+          } // GCOV_EXCL_STOP
         }
       }
       update_log_file(log_file);
diff --git a/src/dlio_profiler/utils/posix_internal.cpp b/src/dlio_profiler/utils/posix_internal.cpp
index d3bf0906..e2fc3079 100644
--- a/src/dlio_profiler/utils/posix_internal.cpp
+++ b/src/dlio_profiler/utils/posix_internal.cpp
@@ -25,24 +25,24 @@ int dlp_open(const char *pathname, int flags, ...) {
 
   if (result >= 0)
     return (int) result;
-  return -1;
+  return -1; // GCOV_EXCL_LINE
 }
 
 ssize_t dlp_write(int fd, const void *buf, size_t count) {
   return syscall(SYS_write, fd, buf, count);
 }
 
-ssize_t dlp_read(int fd, void *buf, size_t count) {
+ssize_t dlp_read(int fd, void *buf, size_t count) {  // GCOV_EXCL_START
   return syscall(SYS_read, fd, buf, count);
-}
+}  // GCOV_EXCL_STOP
 
 int dlp_close(int fd) {
   return syscall(SYS_close, fd);
 }
 
-int dlp_fsync(int fd) {
+int dlp_fsync(int fd) { // GCOV_EXCL_START
   return syscall(SYS_fsync, fd);
-}
+} // GCOV_EXCL_STOP
 
 ssize_t dlp_readlink(const char *path, char *buf, size_t bufsize) {
   return syscall(SYS_readlink, path, buf, bufsize);