improve some defaults to tune performance if you use -heavy_timer, try not using it

src/include/switch_core.h

@@ -1940,6 +1940,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_management_exec(char *relative_oid,
   \return 0 on success
 */
 SWITCH_DECLARE(int32_t) set_high_priority(void);
+SWITCH_DECLARE(int32_t) set_normal_priority(void);
 
 /*! 
   \brief Change user and/or group of the running process

src/switch.c

@@ -824,6 +824,8 @@ int main(int argc, char *argv[])
 
 	if (high_prio) {
 		set_high_priority();
+	} else {
+		set_normal_priority();
 	}
 
 	switch_core_setrlimits();

src/switch_apr.c

@@ -630,7 +630,7 @@ SWITCH_DECLARE(switch_status_t) switch_threadattr_priority_increase(switch_threa
 	struct apr_threadattr_t *myattr = attr;
 
 	pthread_attr_getschedparam(&myattr->attr, &param);
-	param.sched_priority = 50;
+	param.sched_priority = 1;
 	stat = pthread_attr_setschedparam(&myattr->attr, &param);
 
 	if (stat == 0) {

src/switch_core.c

@@ -606,16 +606,8 @@ SWITCH_DECLARE(void) switch_core_set_globals(void)
 	switch_assert(SWITCH_GLOBAL_dirs.temp_dir);
 }
 
-SWITCH_DECLARE(int32_t) set_high_priority(void)
+static int32_t set_priority(void)
 {
-#ifdef WIN32
-	SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
-#else
-
-#ifdef USE_SETRLIMIT
-	struct rlimit lim = { RLIM_INFINITY, RLIM_INFINITY };
-#endif
-
 #ifdef USE_SCHED_SETSCHEDULER
 	/*
 	 * Try to use a round-robin scheduler
@@ -637,13 +629,40 @@ SWITCH_DECLARE(int32_t) set_high_priority(void)
 	 */
 	if (setpriority(PRIO_PROCESS, getpid(), -10) < 0) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Could not set nice level\n");
+		return -1;
 	}
 #else
 	if (nice(-10) != -10) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Could not set nice level\n");
+		return -1;
 	}
 #endif
 
+	return 0;
+}
+
+
+SWITCH_DECLARE(int32_t) set_normal_priority(void)
+{
+	return set_priority();
+}
+
+SWITCH_DECLARE(int32_t) set_high_priority(void)
+{
+	int pri;
+
+#ifdef WIN32
+	SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
+#else
+
+#ifdef USE_SETRLIMIT
+	struct rlimit lim = { RLIM_INFINITY, RLIM_INFINITY };
+#endif
+	
+	if ((pri = set_priority())) {
+		return pri;
+	}
+
 #ifdef USE_SETRLIMIT
 	/*
 	 * The amount of memory which can be mlocked is limited for non-root users.