procps/proc/readstat.h
Jim Warner e88b11f176 library: normalize the readstat context structure name
The new library meminfo & vmstat modules use structure
names for their context which exactly mirror the names
of the very /proc/ files whose particulars they yield.

The one exception to this rule was the readstat module
whose struct was named statinfo yet the file was stat.

This commit simply renames that structure (only) so as
to hopefully establish such a naming convention as our
standard going forward. And, it's makes good symmetry.

[ this module's name itself is just perfect as it is ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
2015-07-01 21:30:58 +10:00

92 lines
2.8 KiB
C

/*
* libprocps - Library to read proc filesystem
*
* 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.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PROC_READ_STAT_H
#define PROC_READ_STAT_H
#include <proc/procps.h>
__BEGIN_DECLS
enum procps_cpu_item {
PROCPS_CPU_USER,
PROCPS_CPU_NICE,
PROCPS_CPU_SYSTEM,
PROCPS_CPU_IDLE,
PROCPS_CPU_IOWAIT,
PROCPS_CPU_IRQ,
PROCPS_CPU_SIRQ,
PROCPS_CPU_STOLEN,
PROCPS_CPU_GUEST,
PROCPS_CPU_GNICE
};
enum procps_stat_item {
PROCPS_STAT_INTR,
PROCPS_STAT_CTXT,
PROCPS_STAT_BTIME,
PROCPS_STAT_PROCS,
PROCPS_STAT_PROCS_BLK,
PROCPS_STAT_PROCS_RUN
};
typedef unsigned long long jiff;
struct procps_cpu_result {
enum procps_cpu_item item;
jiff result;
struct procps_cpu_result *next;
};
struct procps_jiffs {
jiff user, nice, system, idle, iowait, irq, sirq, stolen, guest, gnice;
};
struct procps_jiffs_hist {
struct procps_jiffs new;
struct procps_jiffs old;
int id;
};
struct procps_sys_result {
enum procps_stat_item item;
int result;
struct procps_sys_result *next;
};
struct procps_stat;
int procps_stat_new (struct procps_stat **info);
int procps_stat_read (struct procps_stat *info, const int cpu_only);
int procps_stat_read_jiffs (struct procps_stat *info);
int procps_stat_ref (struct procps_stat *info);
int procps_stat_unref (struct procps_stat **info);
jiff procps_stat_get_cpu (struct procps_stat *info, enum procps_cpu_item item);
int procps_stat_get_cpu_chain (struct procps_stat *info, struct procps_cpu_result *item);
int procps_stat_get_jiffs (struct procps_stat *info, struct procps_jiffs *item, int which);
int procps_stat_get_jiffs_all (struct procps_stat *info, struct procps_jiffs *item, int numitems);
int procps_stat_get_jiffs_hist (struct procps_stat *info, struct procps_jiffs_hist *item, int which);
int procps_stat_get_jiffs_hist_all (struct procps_stat *info, struct procps_jiffs_hist *item, int numitems);
unsigned int procps_stat_get_sys (struct procps_stat *info, enum procps_stat_item item);
int procps_stat_get_sys_chain (struct procps_stat *info, struct procps_sys_result *item);
__END_DECLS
#endif