SWDEV-295878 Fix for seg fault when using --trace-start off

Change-Id: Ic76d814b3591f72db18319d78f34596dae1ddfee

src/roctx/roctx.cpp

@@ -82,7 +82,7 @@ typedef std::stack<std::string> message_stack_t;
 typedef std::map<uint32_t, message_stack_t*> thread_map_t;
 typedef std::mutex map_mutex_t;
 map_mutex_t map_mutex;
-thread_map_t* thread_map = NULL;
+thread_map_t thread_map;
 static thread_local message_stack_t* message_stack = NULL;
 
 roctx_status_t GetExcStatus(const std::exception& e) {
@@ -95,8 +95,7 @@ void thread_data_init() {
   const auto tid = GetTid();
 
   std::lock_guard<map_mutex_t> lck(map_mutex);
-  if (thread_map == NULL) thread_map = new thread_map_t;
-  (*thread_map)[tid] = message_stack;
+  thread_map[tid] = message_stack;
 }
 
 // callbacks table
@@ -194,7 +193,7 @@ PUBLIC_API void roctxRangeStop(roctx_range_id_t rangeId) {
 }
 
 PUBLIC_API void RangeStackIterate(roctx_range_iterate_cb_t callback, void* arg) {
-  for (const auto& entry : *roctx::thread_map) {
+  for (const auto& entry : roctx::thread_map) {
     const auto tid = entry.first;
     for (roctx::message_stack_t stack = *(entry.second); !stack.empty(); stack.pop()){
       std::string message = stack.top();

test/tool/tracer_tool.cpp

@@ -34,6 +34,7 @@ THE SOFTWARE.
 #include <unistd.h>  /* usleep */
 
 #include <roctracer_ext.h>
+#include "src/util/exception.h"
 #include <roctracer_roctx.h>
 #include <roctracer_hsa.h>
 #include <roctracer_hip.h>
@@ -915,11 +916,11 @@ void tool_load() {
     uint32_t ctrl_len = 0;
     uint32_t ctrl_rate = 0;
 
-    sscanf(ctrl_str, "%d:%d:%d", &ctrl_delay, &ctrl_len, &ctrl_rate);
-
+    if (sscanf(ctrl_str, "%d:%d:%d", &ctrl_delay, &ctrl_len, &ctrl_rate) != 3) {
+      EXC_RAISING(ROCTRACER_STATUS_ERROR, "Invalid ROCP_CTRL_RATE var(" << ctrl_str << "), expected ctrl_delay:ctrl_len:ctrl_rate");
+    }
     if (ctrl_len > ctrl_rate) {
-      fprintf(stderr, "ROCTracer: control length value (%u) > rate value (%u)\n", ctrl_len, ctrl_rate);
-      abort();
+      EXC_RAISING(ROCTRACER_STATUS_ERROR, "Control length value " << ctrl_len << " > rate value " << ctrl_rate);
     }
     control_dist_us = ctrl_rate - ctrl_len;
     control_len_us = ctrl_len;