cpu_sched_vty.c File Reference

Implementation to CPU / Threading / Scheduler properties from VTY configuration. More...

#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <unistd.h>
#include <sched.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <pthread.h>
#include <inttypes.h>
#include <osmocom/vty/vty.h>
#include <osmocom/vty/command.h>
#include <osmocom/core/fsm.h>
#include <osmocom/core/linuxlist.h>

Data Structures
struct	cpu_affinity_it
struct	sched_vty_opts

Macros
#define	_GNU_SOURCE

Enumerations
enum	sched_vty_thread_id {   SCHED_VTY_THREAD_SELF ,   SCHED_VTY_THREAD_ALL ,   SCHED_VTY_THREAD_ID ,   SCHED_VTY_THREAD_NAME ,   SCHED_VTY_THREAD_UNKNOWN }

Functions
static int	get_num_cpus (void)
static int	parse_cpu_hex_mask (const char *str, cpu_set_t *cpuset, size_t cpuset_size)
static int	generate_cpu_hex_mask (char *str, size_t str_buf_size, cpu_set_t *cpuset, size_t cpuset_size)
static bool	proc_tid_exists (pid_t tid)
static bool	proc_name_exists (const char *name, pid_t *res_pid)
static enum sched_vty_thread_id	procname2pid (pid_t *res_pid, const char *str, bool applynow)
static int	my_sched_setaffinity (enum sched_vty_thread_id tid_type, pid_t pid, cpu_set_t *cpuset, size_t cpuset_size)
	DEFUN_ATTR (cfg_sched_cpu_affinity, cfg_sched_cpu_affinity_cmd, "cpu-affinity (self|all|<0-4294967295>|THREADNAME) CPUHEXMASK [delay]", "Set CPU affinity mask on a (group of) thread(s)\n" "Set CPU affinity mask on thread running the VTY\n" "Set CPU affinity mask on all process' threads\n" "Set CPU affinity mask on a thread with specified PID\n" "Set CPU affinity mask on a thread with specified thread name\n" "CPU affinity mask\n" "If set, delay applying the affinity mask now and let the app handle it at a later point\n", CMD_ATTR_IMMEDIATE)
static int	set_sched_rr (unsigned int prio)
	DEFUN_ATTR (cfg_sched_policy, cfg_sched_policy_cmd, "policy rr <1-32>", "Set the scheduling policy to use for the process\n" "Use the SCHED_RR real-time scheduling algorithm\n" "Set the SCHED_RR real-time priority\n", CMD_ATTR_IMMEDIATE)
	DEFUN (cfg_sched, cfg_sched_cmd, "cpu-sched", "Configure CPU Scheduler related settings")
	DEFUN (show_sched_threads, show_sched_threads_cmd, "show cpu-sched threads", SHOW_STR "Show Sched section information\n" "Show information about running threads)\n")
static int	config_write_sched (struct vty *vty)
int	osmo_cpu_sched_vty_init (void *tall_ctx)
	Initialize sched VTY nodes. More...
int	osmo_cpu_sched_vty_apply_localthread (void)
	Apply cpu-affinity on calling thread based on VTY configuration. More...

Variables
static struct sched_vty_opts *	sched_vty_opts
static struct cmd_node	sched_node

Detailed Description

Implementation to CPU / Threading / Scheduler properties from VTY configuration.

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE