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/*
* SPDX-License-Identifier: GPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Copyright (C) 2012 Sami Kerola <kerolasa@iki.fi>
* Copyright (C) 2012-2023 Karel Zak <kzak@redhat.com>
*/
#ifndef UTIL_LINUX_H_IRQ_COMMON
#define UTIL_LINUX_H_IRQ_COMMON
#include "c.h"
#include "nls.h"
#include "cpuset.h"
/* supported columns */
enum {
COL_IRQ = 0,
COL_TOTAL,
COL_DELTA,
COL_NAME,
__COL_COUNT
};
struct irq_info {
char *irq; /* short name of this irq */
char *name; /* descriptive name of this irq */
unsigned long total; /* total count since system start up */
unsigned long delta; /* delta count since previous update */
};
struct irq_cpu {
unsigned long total;
unsigned long delta;
};
struct irq_stat {
unsigned long nr_irq; /* number of irq vector */
unsigned long nr_irq_info; /* number of irq info */
struct irq_info *irq_info; /* array of irq_info */
struct irq_cpu *cpus; /* array of irq_cpu */
size_t nr_active_cpu; /* number of active cpu */
unsigned long total_irq; /* total irqs */
unsigned long delta_irq; /* delta irqs */
};
typedef int (irq_cmp_t)(const struct irq_info *, const struct irq_info *);
/* output definition */
struct irq_output {
int columns[__COL_COUNT * 2];
size_t ncolumns;
irq_cmp_t *sort_cmp_func;
unsigned int
json:1, /* JSON output */
pairs:1, /* export, NAME="value" aoutput */
no_headings:1; /* don't print header */
};
int irq_column_name_to_id(char const *const name, size_t const namesz);
void free_irqstat(struct irq_stat *stat);
void irq_print_columns(FILE *f, int nodelta);
void set_sort_func_by_name(struct irq_output *out, const char *name);
void set_sort_func_by_key(struct irq_output *out, const char c);
struct libscols_table *get_scols_table(struct irq_output *out,
struct irq_stat *prev,
struct irq_stat **xstat,
int softirq,
size_t setsize,
cpu_set_t *cpuset);
struct libscols_table *get_scols_cpus_table(struct irq_output *out,
struct irq_stat *prev,
struct irq_stat *curr,
size_t setsize,
cpu_set_t *cpuset);
#endif /* UTIL_LINUX_H_IRQ_COMMON */
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