mirror of
https://github.com/Llewellynvdm/conky.git
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150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2005 Adi Zaimi, Dan Piponi <dan@tanelorn.demon.co.uk>,
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* Dave Clark <clarkd@skynet.ca>
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* Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _top_h_
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#define _top_h_
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/* Ensure there's an operating system defined.
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* compile with gcc -DOS ...
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* There is *no* default because every OS has it's own way of revealing
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* CPU/memory usage. */
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/******************************************
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* Includes *
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******************************************/
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#include "conky.h"
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#include "text_object.h"
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#define CPU_THRESHHOLD 0 /* threshhold for the cpu diff to appear */
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#include <time.h>
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#include <dirent.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <math.h>
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#include <assert.h>
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#include <limits.h>
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#include <errno.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <regex.h>
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/******************************************
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* Defines *
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******************************************/
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/* XXX: I shouldn't really use this BUFFER_LEN variable but scanf is so lame
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* and it'll take me a while to write a replacement. */
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#define BUFFER_LEN 1024
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#define PROCFS_TEMPLATE "/proc/%d/stat"
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#define PROCFS_TEMPLATE_MEM "/proc/%d/statm"
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#define PROCFS_TEMPLATE_IO "/proc/%d/io"
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#define PROCFS_CMDLINE_TEMPLATE "/proc/%d/cmdline"
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#define MAX_SP 10 // number of elements to sort
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enum top_field {
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TOP_CPU,
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TOP_NAME,
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TOP_PID,
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TOP_MEM,
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TOP_TIME,
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TOP_MEM_RES,
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TOP_MEM_VSIZE,
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#ifdef IOSTATS
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TOP_READ_BYTES,
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TOP_WRITE_BYTES,
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TOP_IO_PERC
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#endif
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};
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/******************************************
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* Process class *
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******************************************/
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struct process {
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struct process *next;
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struct process *previous;
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pid_t pid;
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char *name;
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float amount;
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// User and kernel times are in hundredths of seconds
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unsigned long user_time;
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unsigned long total;
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unsigned long kernel_time;
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unsigned long previous_user_time;
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unsigned long previous_kernel_time;
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unsigned long total_cpu_time;
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unsigned int vsize;
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unsigned int rss;
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#ifdef IOSTATS
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unsigned long long read_bytes;
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unsigned long long previous_read_bytes;
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unsigned long long write_bytes;
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unsigned long long previous_write_bytes;
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float io_perc;
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#endif
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unsigned int time_stamp;
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unsigned int counted;
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unsigned int changed;
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float totalmem;
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};
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struct sorted_process {
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struct sorted_process *greater;
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struct sorted_process *less;
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struct process *proc;
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};
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/* Pointer to head of process list */
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void process_find_top(struct process **, struct process **, struct process **
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#ifdef IOSTATS
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, struct process **
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#endif
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);
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/* lookup a program by it's name */
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struct process *get_process_by_name(const char *);
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int parse_top_args(const char *s, const char *arg, struct text_object *obj);
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void print_top(struct text_object *, char *, int);
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void free_top(struct text_object *, int);
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#endif /* _top_h_ */
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