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/*
* hyptop - Show hypervisor performance data on System z
*
* Command line options, window definition, print functions, etc.
*
* Copyright IBM Corp. 2010, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef HYPTOP_H
#define HYPTOP_H
#include <ncurses.h>
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include "helper.h"
#include "nav_desc.h"
#include "table.h"
#define HYPTOP_OPT_DEFAULT_DELAY 2
#define HYPTOP_OPT_DEFAULT_SMT_SCALE 1.3
#define HYPTOP_MAX_WIN_DEPTH 4
#define HYPTOP_MAX_LINE 512
#define PROG_NAME "hyptop"
/*
* Options info
*/
struct hyptop_str_vec_opt {
unsigned int specified;
char **vec;
unsigned int cnt;
};
struct hyptop_col_vec_opt {
unsigned int specified;
struct table_col_spec **vec;
unsigned int cnt;
};
struct hyptop_win_opts {
struct hyptop_str_vec_opt sys;
struct hyptop_col_vec_opt fields;
unsigned int sort_field_specified;
char sort_field;
};
struct hyptop_opts {
unsigned int win_specified;
unsigned int batch_mode_specified;
unsigned int iterations_specified;
unsigned int iterations;
unsigned int iterations_act;
struct hyptop_win *cur_win;
struct hyptop_str_vec_opt cpu_types;
int delay_s;
int delay_us;
double smt_factor;
};
/*
* Curses info
*/
struct hyptop_curses {
int row_cnt;
int col_cnt;
char line[HYPTOP_MAX_LINE];
int x;
int y;
int initialized;
};
/*
* Window info
*/
struct hyptop_win_info {
struct hyptop_win *cur;
struct hyptop_win *prev[HYPTOP_MAX_WIN_DEPTH];
unsigned int prev_cnt;
};
/*
* Globals definition
*/
struct hyptop_globals {
struct hyptop_opts o;
struct hyptop_curses c;
struct hyptop_win_info w;
const char *prog_name;
struct hyptop_win *win_cpu_types;
};
extern struct hyptop_globals g;
/*
* Print functions
*/
#define hyptop_printf_pos(y, x, p...) \
do { \
if (g.o.batch_mode_specified) \
printf(p); \
else { \
int len; \
len = snprintf(g.c.line, sizeof(g.c.line) - 1, p); \
len = MIN(len, (g.c.col_cnt - (x))); \
if (len > 0) { \
mvaddnstr((y), (x), g.c.line, len); \
} \
} \
} while (0)
#define hyptop_printf(p...) \
do { \
if (g.o.batch_mode_specified) \
printf(p); \
else { \
int len; \
len = snprintf(g.c.line, sizeof(g.c.line) - 1, p); \
len = MIN(len, (g.c.col_cnt - g.c.x)); \
if (len > 0) { \
mvaddnstr(g.c.y, g.c.x, g.c.line, len); \
g.c.x += len; \
} \
} \
} while (0)
static inline void hyptop_printf_init(void)
{
g.c.x = 0;
g.c.y = 0;
}
static inline void hyptop_print_seek_back(int i)
{
unsigned int cnt = MAX(g.c.col_cnt - g.c.x - i, 0);
if (g.o.batch_mode_specified)
return;
if (cnt) {
memset(g.c.line, ' ', cnt);
assert(cnt < sizeof(g.c.line));
g.c.line[cnt] = 0;
addstr(g.c.line);
}
g.c.x = g.c.col_cnt - i;
}
static inline void hyptop_print_nl(void)
{
unsigned int cnt = MAX(g.c.col_cnt - g.c.x, 0);
if (g.o.batch_mode_specified) {
printf("\n");
return;
}
if (cnt) {
memset(g.c.line, ' ', g.c.col_cnt - g.c.x);
assert(cnt < sizeof(g.c.line));
g.c.line[cnt] = 0;
addstr(g.c.line);
}
g.c.x = 0;
g.c.y++;
}
/*
* hyptop windows
*/
enum hyptop_win_action {
WIN_SWITCH,
WIN_KEEP,
};
extern enum hyptop_win_action hyptop_process_input_timeout(void);
extern enum hyptop_win_action hyptop_process_input(void);
extern enum hyptop_win_action win_switch(struct hyptop_win *w);
extern enum hyptop_win_action win_back(void);
struct hyptop_win;
struct hyptop_win {
enum hyptop_win_action (*process_input)(struct hyptop_win *w, int c);
void (*update_term)(struct hyptop_win *w);
void (*run)(struct hyptop_win *w);
const char *id;
const char *desc;
struct nav_desc **desc_normal_vec;
struct nav_desc **desc_select_vec;
struct nav_desc **desc_general_vec;
struct hyptop_win_opts opts;
};
/*
* Window sys_list
*/
extern struct hyptop_win win_sys_list;
extern void win_sys_list_init(void);
/*
* Window sys
*/
extern struct hyptop_win win_sys;
extern void win_sys_set(const char *sys_id);
extern void win_sys_init(void);
/*
* Window cpu_types
*/
extern void win_cpu_types_init(void);
/*
* Misc functions
*/
extern void hyptop_update_term(void);
extern void __noreturn hyptop_exit(int rc);
extern void hyptop_text_mode(void);
#endif /* HYPTOP_H */
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