HelenOS sources

root/uspace/dist/src/c/demos/top/top.h

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/*
 * Copyright (c) 2010 Stanislav Kozina
 * Copyright (c) 2010 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup top
 * @{
 */

#ifndef TOP_TOP_H_
#define TOP_TOP_H_

#include <task.h>
#include <stats.h>
#include <time.h>

#define FRACTION_TO_FLOAT(float, a, b) \
        do { \
                if ((b) != 0) { \
                        (float).upper = (a); \
                        (float).lower = (b); \
                } else { \
                        (float).upper = 0; \
                        (float).lower = 1; \
                } \
        } while (0)

typedef enum {
        SCREEN_TABLE,
        SCREEN_SORT,
        SCREEN_HELP,
} screen_mode_t;

extern screen_mode_t screen_mode;

typedef struct {
        uint64_t upper;
        uint64_t lower;
} fixed_float;

typedef struct {
        fixed_float idle;
        fixed_float busy;
} perc_cpu_t;

typedef struct {
        fixed_float virtmem;
        fixed_float resmem;
        fixed_float ucycles;
        fixed_float kcycles;
} perc_task_t;

typedef struct {
        fixed_float cycles;
        fixed_float count;
} perc_exc_t;

typedef enum {
        FIELD_EMPTY,
        FIELD_UINT,
        FIELD_UINT_SUFFIX_BIN,
        FIELD_UINT_SUFFIX_DEC,
        FIELD_PERCENT,
        FIELD_STRING
} field_type_t;

typedef struct {
        field_type_t type;
        union {
                fixed_float fixed;
                uint64_t uint;
                const char *string;
        };
} field_t;

typedef struct {
        const char *name;
        char key;
        int width;
} column_t;

typedef struct {
        const char *name;
        size_t num_columns;
        const column_t *columns;
        size_t num_fields;
        field_t *fields;
} table_t;

typedef struct {
        time_t hours;
        time_t minutes;
        time_t seconds;

        sysarg_t udays;
        sysarg_t uhours;
        sysarg_t uminutes;
        sysarg_t useconds;

        size_t load_count;
        load_t *load;

        size_t cpus_count;
        stats_cpu_t *cpus;
        perc_cpu_t *cpus_perc;

        size_t tasks_count;
        stats_task_t *tasks;
        perc_task_t *tasks_perc;

        size_t threads_count;
        stats_thread_t *threads;

        size_t exceptions_count;
        stats_exc_t *exceptions;
        perc_exc_t *exceptions_perc;

        stats_physmem_t *physmem;

        uint64_t *ucycles_diff;
        uint64_t *kcycles_diff;
        uint64_t *ecycles_diff;
        uint64_t *ecount_diff;

        table_t table;
} data_t;

#endif

/**
 * @}
 */