We mostly use in our code base ERR in conjunction with system related error. This
doesn't require any information from who did call that function to get debugged and
is creating way to much noise with little value.
static int _abort_level_on_critical = EINA_LOG_LEVEL_CRITICAL;
#ifdef EINA_LOG_BACKTRACE
-static int _backtrace_level = 2; // CRI & ERR by default
+static int _backtrace_level = 1; // CRI & ERR by default
#endif
static Eina_Bool _threads_enabled = EINA_FALSE;