95cd051c27
This commit just tweaks some recent copyright changes. Foe example, the six public header files are unique to this new library and thus are just attributed to Craig and me. Plus, there were some misnamed file references as '.c' for '.h' or 'libprocps' instead of 'libproc2'. Signed-off-by: Jim Warner <james.warner@comcast.net>
176 lines
6.1 KiB
C
176 lines
6.1 KiB
C
/*
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* stat.h - cpu/numa related declarations for libproc2
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*
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* Copyright © 2015-2023 Jim Warner <james.warner@comcast.net>
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* Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
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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 PROCPS_STAT_H
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#define PROCPS_STAT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum stat_item {
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STAT_noop, // ( never altered )
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STAT_extra, // ( reset to zero )
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// returns origin, see proc(5)
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// ------- -------------------
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STAT_TIC_ID, // s_int /proc/stat, cpu or numa node id
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STAT_TIC_ID_CORE, // s_int /proc/cpuinfo: 'core id', -1 = n/a
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STAT_TIC_NUMA_NODE, // s_int [ CPU ID based, see: numa(3) ]
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STAT_TIC_NUM_CONTRIBUTORS, // s_int [ total CPUs contributing to TIC counts ]
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STAT_TIC_TYPE_CORE, // s_int [ 2 = P-core, 1 = E-core, 0 = n/a ]
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STAT_TIC_USER, // ull_int /proc/stat
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STAT_TIC_NICE, // ull_int "
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STAT_TIC_SYSTEM, // ull_int "
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STAT_TIC_IDLE, // ull_int "
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STAT_TIC_IOWAIT, // ull_int "
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STAT_TIC_IRQ, // ull_int "
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STAT_TIC_SOFTIRQ, // ull_int "
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STAT_TIC_STOLEN, // ull_int "
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STAT_TIC_GUEST, // ull_int "
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STAT_TIC_GUEST_NICE, // ull_int "
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STAT_TIC_DELTA_USER, // sl_int derived from above
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STAT_TIC_DELTA_NICE, // sl_int "
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STAT_TIC_DELTA_SYSTEM, // sl_int "
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STAT_TIC_DELTA_IDLE, // sl_int "
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STAT_TIC_DELTA_IOWAIT, // sl_int "
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STAT_TIC_DELTA_IRQ, // sl_int "
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STAT_TIC_DELTA_SOFTIRQ, // sl_int "
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STAT_TIC_DELTA_STOLEN, // sl_int "
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STAT_TIC_DELTA_GUEST, // sl_int "
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STAT_TIC_DELTA_GUEST_NICE, // sl_int "
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STAT_TIC_SUM_USER, // ull_int derived from USER + NICE tics
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STAT_TIC_SUM_SYSTEM, // ull_int derived from SYSTEM + IRQ + SOFTIRQ tics
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STAT_TIC_SUM_IDLE, // ull_int derived from IDLE + IOWAIT tics
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STAT_TIC_SUM_BUSY, // ull_int derived from SUM_TOTAL - SUM_IDLE tics
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STAT_TIC_SUM_TOTAL, // ull_int derived from sum of all 10 tics
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STAT_TIC_SUM_DELTA_USER, // sl_int derived from above
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STAT_TIC_SUM_DELTA_SYSTEM, // sl_int "
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STAT_TIC_SUM_DELTA_IDLE, // sl_int "
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STAT_TIC_SUM_DELTA_BUSY, // sl_int "
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STAT_TIC_SUM_DELTA_TOTAL, // sl_int "
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STAT_SYS_CTX_SWITCHES, // ul_int /proc/stat
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STAT_SYS_INTERRUPTS, // ul_int "
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STAT_SYS_PROC_BLOCKED, // ul_int "
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STAT_SYS_PROC_CREATED, // ul_int "
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STAT_SYS_PROC_RUNNING, // ul_int "
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STAT_SYS_TIME_OF_BOOT, // ul_int "
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STAT_SYS_DELTA_CTX_SWITCHES, // s_int derived from above
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STAT_SYS_DELTA_INTERRUPTS, // s_int "
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STAT_SYS_DELTA_PROC_BLOCKED, // s_int "
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STAT_SYS_DELTA_PROC_CREATED, // s_int "
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STAT_SYS_DELTA_PROC_RUNNING // s_int "
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};
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enum stat_reap_type {
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STAT_REAP_CPUS_ONLY,
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STAT_REAP_NUMA_NODES_TOO
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};
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enum stat_sort_order {
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STAT_SORT_ASCEND = +1,
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STAT_SORT_DESCEND = -1
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};
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struct stat_result {
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enum stat_item item;
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union {
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signed int s_int;
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signed long sl_int;
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unsigned long ul_int;
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unsigned long long ull_int;
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} result;
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};
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struct stat_stack {
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struct stat_result *head;
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};
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struct stat_reap {
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int total;
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struct stat_stack **stacks;
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};
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struct stat_reaped {
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struct stat_stack *summary;
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struct stat_reap *cpus;
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struct stat_reap *numa;
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};
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struct stat_info;
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// STAT_TIC_ID value for /proc/stat cpu summary
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#define STAT_SUMMARY_ID -11111
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// STAT_TIC_NUMA_NODE value for STAT_REAP_CPUS_ONLY or
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// for STAT_REAP_NUMA_NODES_TOO when node was inactive
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#define STAT_NODE_INVALID -22222
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#define STAT_GET( info, actual_enum, type ) ( { \
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struct stat_result *r = procps_stat_get( info, actual_enum ); \
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r ? r->result . type : 0; } )
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#define STAT_VAL( relative_enum, type, stack, info ) \
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stack -> head [ relative_enum ] . result . type
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int procps_stat_new (struct stat_info **info);
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int procps_stat_ref (struct stat_info *info);
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int procps_stat_unref (struct stat_info **info);
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struct stat_result *procps_stat_get (
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struct stat_info *info,
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enum stat_item item);
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struct stat_reaped *procps_stat_reap (
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struct stat_info *info,
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enum stat_reap_type what,
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enum stat_item *items,
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int numitems);
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struct stat_stack *procps_stat_select (
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struct stat_info *info,
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enum stat_item *items,
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int numitems);
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struct stat_stack **procps_stat_sort (
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struct stat_info *info,
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struct stat_stack *stacks[],
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int numstacked,
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enum stat_item sortitem,
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enum stat_sort_order order);
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#ifdef XTRA_PROCPS_DEBUG
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# include "xtra-procps-debug.h"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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