11612287117

Committed 31 Oct 2024 12:54PM UTC coverage: 87.269% (-0.007%) from 87.276%

Build # 11612287117

Build Type

push

github

Committed by

sergepetrenko

Commit Message

perf: introduce perf test for luafun

When fixing `drop_while` function in `luafun` submodule, we wrote a
benchmark to choose the most efficient solution - let's put it to our
perf test suite. The commit creates a new perf test for `luafun` module
and puts there above-mentioned benchmark.

NO_TEST=perftest
NO_CHANGELOG=perftest
NO_DOC=perftest

(cherry picked from commit 6ae595f5d)

Run Details

68522 of 121744 branches covered (56.28%)

101129 of 115882 relevant lines covered (87.27%)

2507771.9 hits per line

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85.71

/src/lib/core/tt_sigaction.c

/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright 2010-2022, Tarantool AUTHORS, please see AUTHORS file.
 */
#include <assert.h>
#include <pthread.h>
#include <stdbool.h>
#include "tt_sigaction.h"

#define SIGMAX 32

/** Flag is set if main_thread_id variable is initialized. */
static bool main_thread_initialized;
/** Main thread id, it is set on first tt_sigaction call. */
static pthread_t main_thread_id;

static void (*sighandlers[SIGMAX])(int signum);

/**
 * Check that signal has been delivered to the main thread
 * and call signal handler or redirect it if thread is not main.
 */
static void
sighandler_dispatcher(int signum)
{
        if (!pthread_equal(pthread_self(), main_thread_id)) {
                pthread_kill(main_thread_id, signum);
                return;
        }
        assert(sighandlers[signum] != NULL);
        sighandlers[signum](signum);
}

int
tt_sigaction(int signum, struct sigaction *sa, struct sigaction *osa)
{
        assert(signum < SIGMAX);
        assert(sa != NULL);

        /* Memorize id of main thread at the first call. */
        if (!main_thread_initialized) {
                main_thread_id = pthread_self();
                main_thread_initialized = true;
        }

        void (*old_handler)(int) = sighandlers[signum];
        if (sa->sa_handler == SIG_DFL || sa->sa_handler == SIG_IGN) {
                sighandlers[signum] = NULL;
        } else {
                sighandlers[signum] = sa->sa_handler;
                sa->sa_handler = sighandler_dispatcher;
        }
        int rc = sigaction(signum, sa, osa);
        if (osa != NULL && old_handler != NULL)
                osa->sa_handler = old_handler;
        return rc;
}

1	/*
2	* SPDX-License-Identifier: BSD-2-Clause
3	*
4	* Copyright 2010-2022, Tarantool AUTHORS, please see AUTHORS file.
5	*/
6	#include <assert.h>
7	#include <pthread.h>
8	#include <stdbool.h>
9	#include "tt_sigaction.h"
10
11	#define SIGMAX 32
12
13	/** Flag is set if main_thread_id variable is initialized. */
14	static bool main_thread_initialized;
15	/** Main thread id, it is set on first tt_sigaction call. */
16	static pthread_t main_thread_id;
17
18	static void (*sighandlers[SIGMAX])(int signum);
19
20	/**
21	* Check that signal has been delivered to the main thread
22	* and call signal handler or redirect it if thread is not main.
23	*/
24	static void
25	sighandler_dispatcher(int signum)	1,201,630✔
26	{
27	if (!pthread_equal(pthread_self(), main_thread_id)) {	1,201,630!
28	pthread_kill(main_thread_id, signum);	×
29	return;	×
30	}
31	assert(sighandlers[signum] != NULL);	1,201,630!
32	sighandlers[signum](signum);	1,201,630✔
33	}
34
35	int
36	tt_sigaction(int signum, struct sigaction sa, struct sigaction osa)	10,729✔
37	{
38	assert(signum < SIGMAX);	10,729!
39	assert(sa != NULL);	10,729!
40
41	/* Memorize id of main thread at the first call. */
42	if (!main_thread_initialized) {	10,729✔
43	main_thread_id = pthread_self();	5,364✔
44	main_thread_initialized = true;	5,364✔
45	}
46
47	void (*old_handler)(int) = sighandlers[signum];	10,729✔
48	if (sa->sa_handler == SIG_DFL \|\| sa->sa_handler == SIG_IGN) {	10,729!
49	sighandlers[signum] = NULL;	2✔
50	} else {
51	sighandlers[signum] = sa->sa_handler;	10,727✔
52	sa->sa_handler = sighandler_dispatcher;	10,727✔
53	}
54	int rc = sigaction(signum, sa, osa);	10,729✔
55	if (osa != NULL && old_handler != NULL)	10,729!
56	osa->sa_handler = old_handler;	×
57	return rc;	10,729✔
58	}

tarantool / tarantool / 11612287117

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