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134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright (C) 2009-2013 Intel Corporation
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Authors:
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Auke Kok <auke-jan.h.kok@intel.com>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <dirent.h>
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#include <stdbool.h>
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#include "list.h"
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#define MAXCPUS 16
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#define MAXPIDS 65535
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struct block_stat_struct {
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/* /proc/vmstat pgpgin & pgpgout */
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int bi;
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int bo;
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};
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struct cpu_stat_sample_struct {
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/* /proc/schedstat fields 10 & 11 (after name) */
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double runtime;
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double waittime;
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};
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/* per process, per sample data we will log */
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struct ps_sched_struct {
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/* /proc/<n>/schedstat fields 1 & 2 */
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double runtime;
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double waittime;
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int pss;
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struct list_sample_data *sampledata;
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struct ps_sched_struct *next;
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struct ps_sched_struct *prev;
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struct ps_sched_struct *cross; /* cross pointer */
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struct ps_struct *ps_new;
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};
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struct list_sample_data {
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double runtime[MAXCPUS];
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double waittime[MAXCPUS];
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double sampletime;
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int entropy_avail;
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struct block_stat_struct blockstat;
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LIST_FIELDS(struct list_sample_data, link); /* DLL */
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int counter;
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};
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/* process info */
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struct ps_struct {
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struct ps_struct *next_ps; /* SLL pointer */
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struct ps_struct *parent; /* ppid ref */
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struct ps_struct *children; /* children */
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struct ps_struct *next; /* siblings */
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/* must match - otherwise it's a new process with same PID */
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char name[256];
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int pid;
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int ppid;
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/* cache fd's */
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int sched;
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int schedstat;
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FILE *smaps;
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/* pointers to first/last seen timestamps */
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struct ps_sched_struct *first;
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struct ps_sched_struct *last;
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/* records actual start time, may be way before bootchart runs */
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double starttime;
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/* record human readable total cpu time */
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double total;
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/* largest PSS size found */
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int pss_max;
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/* for drawing connection lines later */
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double pos_x;
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double pos_y;
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struct ps_sched_struct *sample;
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};
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extern int entropy_avail[];
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extern double graph_start;
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extern double log_start;
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extern double sampletime[];
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extern struct ps_struct *ps_first;
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extern struct block_stat_struct blockstat[];
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extern int pscount;
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extern bool arg_relative;
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extern bool arg_filter;
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extern bool arg_show_cmdline;
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extern bool arg_pss;
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extern bool arg_entropy;
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extern bool initcall;
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extern int samples;
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extern int cpus;
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extern int arg_samples_len;
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extern double arg_hz;
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extern double arg_scale_x;
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extern double arg_scale_y;
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extern int overrun;
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extern double interval;
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extern char arg_output_path[PATH_MAX];
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extern char arg_init_path[PATH_MAX];
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extern FILE *of;
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extern int sysfd;
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