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path: root/test/rspamd_lua_pcall_vs_resume_test.c
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/*-
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "config.h"
#include "rspamd.h"
#include "util.h"
#include "lua/lua_common.h"
#include "lua/lua_thread_pool.h"
#include "unix-std.h"

static const char *lua_src_name = "lua/pcall_test.lua";
extern char *argv0_dirname;

extern struct rspamd_main *rspamd_main;

const int N = 20000;


static double
test_pcall(lua_State *L, int function_call)
{
	double t1, t2;
	int i;
	t1 = rspamd_get_virtual_ticks();

	for (i = 0; i < N; i++) {
		lua_rawgeti(L, LUA_REGISTRYINDEX, function_call);
		lua_pcall(L, 0, 1, 0);
		lua_pop(L, 1);
	}

	t2 = rspamd_get_virtual_ticks();

	return t2 - t1;
}

static double
test_resume(lua_State *L, int function_call)
{
	double t1, t2;
	int i;
	t1 = rspamd_get_virtual_ticks();

	for (i = 0; i < N; i++) {
		lua_rawgeti(L, LUA_REGISTRYINDEX, function_call);
#if LUA_VERSION_NUM < 502
		lua_resume(L, 0);
#elif LUA_VERSION_NUM >= 504
		lua_resume(L, NULL, 0, NULL);
#else
		lua_resume(L, NULL, 0);
#endif
		lua_pop(L, 1);
	}

	t2 = rspamd_get_virtual_ticks();

	return t2 - t1;
}

static double
test_resume_get_thread(int function_call)
{
	double t1, t2;
	int i;
	struct thread_entry *ent;

	t1 = rspamd_get_virtual_ticks();

	for (i = 0; i < N; i++) {
		ent = lua_thread_pool_get_for_config(rspamd_main->cfg);

		lua_rawgeti(ent->lua_state, LUA_REGISTRYINDEX, function_call);
#if LUA_VERSION_NUM < 502
		lua_resume(ent->lua_state, 0);
#elif LUA_VERSION_NUM >= 504
		lua_resume(ent->lua_state, NULL, 0, NULL);
#else
		lua_resume(ent->lua_state, NULL, 0);
#endif
		lua_pop(ent->lua_state, 1);

		lua_thread_pool_return(rspamd_main->cfg->lua_thread_pool, ent);
	}

	t2 = rspamd_get_virtual_ticks();

	return t2 - t1;
}

static double
test_resume_get_new_thread(int function_call)
{
	double t1, t2;
	int i;
	struct thread_entry *ent;

	t1 = rspamd_get_virtual_ticks();

	for (i = 0; i < N; i++) {
		ent = lua_thread_pool_get_for_task(rspamd_main->cfg->lua_thread_pool);

		lua_rawgeti(ent->lua_state, LUA_REGISTRYINDEX, function_call);
#if LUA_VERSION_NUM < 502
		lua_resume(ent->lua_state, 0);
#elif LUA_VERSION_NUM >= 504
		lua_resume(ent->lua_state, NULL, 0, NULL);
#else
		lua_resume(ent->lua_state, NULL, 0);
#endif
		lua_pop(ent->lua_state, 1);

		/* lua_thread_pool_return (rspamd_main->cfg->lua_thread_pool, ent); */
	}

	t2 = rspamd_get_virtual_ticks();

	return t2 - t1;
}

void rspamd_lua_lua_pcall_vs_resume_test_func(void)
{
	lua_State *L = rspamd_main->cfg->lua_state;
	char *lua_src;
	double t1, reference;

	lua_src = g_build_filename(argv0_dirname, lua_src_name, NULL);
	if (luaL_dofile(L, lua_src) != 0) {
		msg_err("failed to load test file: %s ", lua_tostring(L, -1));
		g_assert(0);
	}
	g_free(lua_src);

	int function_call = luaL_ref(L, LUA_REGISTRYINDEX);

	msg_info("calling");

	reference = t1 = test_pcall(L, function_call);
	msg_notice("pcall stat: ts: %1.5f, avg:%1.5f, slow=%1.2f", t1, t1 / (double) N, t1 / reference);

	t1 = test_resume(L, function_call);
	msg_notice("resume stat: ts: %1.5f, avg:%1.5f, slow=%1.2f", t1, t1 / (double) N, t1 / reference);

	t1 = test_resume_get_thread(function_call);
	msg_notice("resume+get thread stat: ts: %1.5f, avg:%1.5f, slow=%1.2f", t1, t1 / (double) N, t1 / reference);

	t1 = test_resume_get_new_thread(function_call);
	msg_notice("resume+get [new] thread stat: ts: %1.5f, avg:%1.5f, slow=%1.2f", t1, t1 / (double) N, t1 / reference);
}