Improved Logging - Core Software

Logging macros:
Added ethosu_logging.h as a lib, containing logging macros controlled by
a parameter ETHOSU_LOG_SEVERITY set in core_software CMakeLists.txt

Updated inference_process:
Updated inference_process to include ethosu_logging and use the logging
macros rather than printf()

Updated message_process:
Updated message_process to include ethosu_logging and use the
logging macros rather than printf()

Updated ethosu_monitor:
Updated ethosu_monitor to include ethosu_logging and use the
logging macros rather than printf()

Updated layer_by_layer_profiler:
Updated layer_by_layer_profiler to include ethosu_logging and use the
logging macros rather than printf()

Updated mhu_v2:
Updated mhu_v2 to include ethosu_logging and use the
logging macros rather than printf()

Change-Id: I5d6fd80b7645b3e0af5b494eea6dbb7755f02122

2 files changed, 3 insertions, 2 deletions

diff --git a/lib/ethosu_monitor/CMakeLists.txt b/lib/ethosu_monitor/CMakeLists.txt
index 50f6526..7983c48 100644
--- a/lib/ethosu_monitor/CMakeLists.txt
+++ b/lib/ethosu_monitor/CMakeLists.txt
@@ -21,6 +21,6 @@ if (NOT TARGET ethosu_core_driver)
 endif()
 add_library(ethosu_monitor INTERFACE)
 
-target_link_libraries(ethosu_monitor INTERFACE ethosu_core_driver event_recorder)
+target_link_libraries(ethosu_monitor INTERFACE ethosu_core_driver event_recorder ethosu_log)
 target_include_directories(ethosu_monitor INTERFACE include)
 target_sources(ethosu_monitor INTERFACE src/ethosu_monitor.cpp)
diff --git a/lib/ethosu_monitor/src/ethosu_monitor.cpp b/lib/ethosu_monitor/src/ethosu_monitor.cpp
index d5cfce9..651fc28 100644
--- a/lib/ethosu_monitor/src/ethosu_monitor.cpp
+++ b/lib/ethosu_monitor/src/ethosu_monitor.cpp
@@ -17,6 +17,7 @@
  */
 
 #include "ethosu_monitor.hpp"
+#include "ethosu_log.h"
 #include <stdio.h>
 
 EthosUMonitor::EthosUMonitor(std::vector<int32_t> __eventRecordIds, Backend __backend) :
@@ -33,7 +34,7 @@ void EthosUMonitor::monitorSample(ethosu_driver *drv) {
             break;
         case PRINTF:
         default:
-            printf("ethosu_pmu_cntr%d : %u\n", i, eventCount[i]);
+            LOG("ethosu_pmu_cntr%d : %u\n", i, eventCount[i]);
         }
     }
 }