3a48427d5d
In an attempt to normalize the 'stat' interface, we'll first shed any reminders of the old readproc interface by changing file names to be more descriptive & brief. Signed-off-by: Jim Warner <james.warner@comcast.net>
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
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* libprocps - Library to read proc filesystem
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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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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PROC_STAT_H
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#define PROC_STAT_H
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#include <proc/procps.h>
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__BEGIN_DECLS
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enum procps_cpu_item {
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PROCPS_CPU_USER, // jiff
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PROCPS_CPU_NICE, // jiff
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PROCPS_CPU_SYSTEM, // jiff
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PROCPS_CPU_IDLE, // jiff
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PROCPS_CPU_IOWAIT, // jiff
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PROCPS_CPU_IRQ, // jiff
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PROCPS_CPU_SIRQ, // jiff
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PROCPS_CPU_STOLEN, // jiff
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PROCPS_CPU_GUEST, // jiff
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PROCPS_CPU_GNICE, // jiff
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PROCPS_CPU_noop, // n/a
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PROCPS_CPU_stack_end // n/a
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};
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enum procps_stat_item {
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PROCPS_STAT_INTR, // u_int
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PROCPS_STAT_CTXT, // u_int
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PROCPS_STAT_BTIME, // u_int
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PROCPS_STAT_PROCS, // u_int
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PROCPS_STAT_PROCS_BLK, // u_int
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PROCPS_STAT_PROCS_RUN, // u_int
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PROCPS_STAT_noop, // n/a
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PROCPS_STAT_stack_end // n/a
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};
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typedef unsigned long long jiff;
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struct procps_jiffs {
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jiff user, nice, system, idle, iowait, irq, sirq, stolen, guest, gnice;
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};
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struct procps_jiffs_hist {
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struct procps_jiffs new;
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struct procps_jiffs old;
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int id;
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};
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struct stat_result {
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int item;
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union {
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unsigned int u_int;
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jiff jiff;
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} result;
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};
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struct procps_stat;
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int procps_stat_new (struct procps_stat **info);
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int procps_stat_read (struct procps_stat *info, const int cpu_only);
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int procps_stat_read_jiffs (struct procps_stat *info);
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int procps_stat_ref (struct procps_stat *info);
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int procps_stat_unref (struct procps_stat **info);
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jiff procps_stat_cpu_get (
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struct procps_stat *info,
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enum procps_cpu_item item);
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int procps_stat_cpu_getstack (
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struct procps_stat *info,
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struct stat_result *these);
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int procps_stat_jiffs_get (
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struct procps_stat *info,
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struct procps_jiffs *dest,
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int which);
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int procps_stat_jiffs_hist_get (
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struct procps_stat *info,
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struct procps_jiffs_hist *dest,
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int which);
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int procps_stat_jiffs_fill (
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struct procps_stat *info,
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struct procps_jiffs *dests,
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int maxdests);
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int procps_stat_jiffs_hist_fill (
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struct procps_stat *info,
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struct procps_jiffs_hist *dests,
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int maxdests);
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unsigned int procps_stat_sys_get (
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struct procps_stat *info,
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enum procps_stat_item item);
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int procps_stat_sys_getstack (
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struct procps_stat *info,
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struct stat_result *these);
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__END_DECLS
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#endif
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