sched-messaging.c File Reference

#include "../perf.h"
#include "../util/util.h"
#include <subcmd/parse-options.h>
#include "../builtin.h"
#include "bench.h"
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <poll.h>
#include <limits.h>
#include <err.h>
#include <linux/time64.h>

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Classes
struct	sender_context
struct	receiver_context

Macros
#define	DATASIZE   100

Functions
static void	fdpair (int fds[2])
static void	ready (int ready_out, int wakefd)
static void *	sender (struct sender_context *ctx)
static void *	receiver (struct receiver_context *ctx)
static pthread_t	create_worker (void *ctx, void *(*func)(void *))
static void	reap_worker (pthread_t id)
static unsigned int	group (pthread_t *pth, unsigned int num_fds, int ready_out, int wakefd)
int	bench_sched_messaging (int argc, const char **argv)

Variables
static bool	use_pipes = false
static unsigned int	nr_loops = 100
static bool	thread_mode = false
static unsigned int	num_groups = 10
static const struct option	options []
static const char *const	bench_sched_message_usage []

Macro Definition Documentation

DATASIZE

#define DATASIZE   100

Definition at line 35 of file sched-messaging.c.

Function Documentation

bench_sched_messaging()

int bench_sched_messaging	(	int	argc,
		const char **	argv
	)

Definition at line 264 of file sched-messaging.c.

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create_worker()

static pthread_t create_worker ( void *  ctx, void *(*)(void *)  func  )

static

Definition at line 140 of file sched-messaging.c.

fdpair()

static void fdpair ( int  fds[2] )

static

Definition at line 56 of file sched-messaging.c.

group()

static unsigned int group ( pthread_t *  pth, unsigned int  num_fds, int  ready_out, int  wakefd  )

static

Definition at line 195 of file sched-messaging.c.

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ready()

static void ready ( int  ready_out, int  wakefd  )

static

Definition at line 70 of file sched-messaging.c.

reap_worker()

static void reap_worker ( pthread_t  id )

static

Definition at line 179 of file sched-messaging.c.

receiver()

static void* receiver ( struct receiver_context *  ctx )

static

Definition at line 113 of file sched-messaging.c.

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sender()

static void* sender ( struct sender_context *  ctx )

static

Definition at line 85 of file sched-messaging.c.

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Variable Documentation

bench_sched_message_usage

const char* const bench_sched_message_usage[]

static

Initial value:

= {
    "perf bench sched messaging <options>",
    NULL
}

Definition at line 259 of file sched-messaging.c.

nr_loops

unsigned int nr_loops = 100

static

Definition at line 38 of file sched-messaging.c.

num_groups

unsigned int num_groups = 10

static

Definition at line 40 of file sched-messaging.c.

options

const struct option options[]

static

Initial value:

= {
    OPT_BOOLEAN('p', "pipe", &use_pipes,
            "Use pipe() instead of socketpair()"),
    OPT_BOOLEAN('t', "thread", &thread_mode,
            "Be multi thread instead of multi process"),
    OPT_UINTEGER('g', "group", &num_groups, "Specify number of groups"),
    OPT_UINTEGER('l', "nr_loops", &nr_loops, "Specify the number of loops to run (default: 100)"),

}

Definition at line 249 of file sched-messaging.c.

thread_mode

bool thread_mode = false

static

Definition at line 39 of file sched-messaging.c.

use_pipes

bool use_pipes = false

static

Definition at line 37 of file sched-messaging.c.