added --cheaper-overload

master.c

@@ -653,7 +653,7 @@ int master_loop(char **argv, char **environ) {
 
 	      healthy:
 		if (uwsgi.cheaper && !uwsgi.cheap && !uwsgi.to_heaven && !uwsgi.to_hell) {
-			if (overload_count > 3) {
+			if (overload_count > uwsgi.cheaper_overload) {
 				// activate the first available worker
 				int decheaped = 0;
 				for (i = 1; i <= uwsgi.numproc; i++) {

uwsgi.c

@@ -276,6 +276,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"cheap", no_argument, 0, "set cheap mode (spawn workers only after the first request)", uwsgi_opt_true, &uwsgi.cheap, 0},
 	{"cheaper", required_argument, 0, "set cheaper mode (adaptive process spawning)", uwsgi_opt_set_int, &uwsgi.cheaper_count, UWSGI_OPT_MASTER|UWSGI_OPT_CHEAPER},
 	{"cheaper-step", required_argument, 0, "number of additional processes to spawn at each overload", uwsgi_opt_set_int, &uwsgi.cheaper_step, UWSGI_OPT_MASTER|UWSGI_OPT_CHEAPER},
+	{"cheaper-overload", required_argument, 0, "increase workers after specified overload", uwsgi_opt_set_64bit, &uwsgi.cheaper_overload, UWSGI_OPT_MASTER|UWSGI_OPT_CHEAPER},
 	{"idle", required_argument, 0, "set idle mode (put uWSGI in cheap mode after inactivity)", uwsgi_opt_set_int, &uwsgi.idle, 0},
 	{"die-on-idle", no_argument, 0, "shutdown uWSGI when idle", uwsgi_opt_true, &uwsgi.die_on_idle, 0},
 	{"mount", required_argument, 0, "load application under mountpoint", uwsgi_opt_add_app, NULL,0},
@@ -1172,6 +1173,8 @@ int main(int argc, char *argv[], char *envp[]) {
 	uwsgi.async = 1;
 	uwsgi.listen_queue = 100;
 
+	uwsgi.cheaper_overload = 3;
+
 	uwsgi.max_vars = MAX_VARS;
 	uwsgi.vec_size = 4 + 1 + (4 * MAX_VARS);
 

uwsgi.h

@@ -981,6 +981,7 @@ struct uwsgi_server {
 	// enable cheaper mode
 	int cheaper;
 	int cheaper_step;
+	uint64_t cheaper_overload;
 	// minimal number of running workers in cheaper mode
 	int cheaper_count;
 	// enable idle mode