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