/usr/include/proc/sysinfo.h is in libproc-dev 1:3.2.8-11ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | #ifndef PROC_SYSINFO_H
#define PROC_SYSINFO_H
#include <sys/types.h>
#include <sys/dir.h>
#include "procps.h"
EXTERN_C_BEGIN
extern unsigned long long Hertz; /* clock tick frequency */
extern long smp_num_cpus; /* number of CPUs */
extern int have_privs; /* boolean, true if setuid or similar */
#if 0
#define JT double
extern void eight_cpu_numbers(JT *uret, JT *nret, JT *sret, JT *iret, JT *wret, JT *xret, JT *yret, JT *zret);
#undef JT
#endif
extern int uptime (double *uptime_secs, double *idle_secs);
extern unsigned long getbtime(void);
extern void loadavg(double *av1, double *av5, double *av15);
/* obsolete */
extern unsigned long kb_main_shared;
/* old but still kicking -- the important stuff */
extern unsigned long kb_main_buffers;
extern unsigned long kb_main_cached;
extern unsigned long kb_main_free;
extern unsigned long kb_main_total;
extern unsigned long kb_swap_free;
extern unsigned long kb_swap_total;
/* recently introduced */
extern unsigned long kb_high_free;
extern unsigned long kb_high_total;
extern unsigned long kb_low_free;
extern unsigned long kb_low_total;
/* 2.4.xx era */
extern unsigned long kb_active;
extern unsigned long kb_inact_laundry; // grrr...
extern unsigned long kb_inact_dirty;
extern unsigned long kb_inact_clean;
extern unsigned long kb_inact_target;
extern unsigned long kb_swap_cached; /* late 2.4+ */
/* derived values */
extern unsigned long kb_swap_used;
extern unsigned long kb_main_used;
/* 2.5.41+ */
extern unsigned long kb_writeback;
extern unsigned long kb_slab;
extern unsigned long nr_reversemaps;
extern unsigned long kb_committed_as;
extern unsigned long kb_dirty;
extern unsigned long kb_inactive;
extern unsigned long kb_mapped;
extern unsigned long kb_pagetables;
#define BUFFSIZE (64*1024)
typedef unsigned long long jiff;
extern void getstat(jiff *restrict cuse, jiff *restrict cice, jiff *restrict csys, jiff *restrict cide, jiff *restrict ciow, jiff *restrict cxxx, jiff *restrict cyyy, jiff *restrict czzz,
unsigned long *restrict pin, unsigned long *restrict pout, unsigned long *restrict s_in, unsigned long *restrict sout,
unsigned *restrict intr, unsigned *restrict ctxt,
unsigned int *restrict running, unsigned int *restrict blocked,
unsigned int *restrict btime, unsigned int *restrict processes);
extern void meminfo(void);
extern unsigned long vm_nr_dirty;
extern unsigned long vm_nr_writeback;
extern unsigned long vm_nr_pagecache;
extern unsigned long vm_nr_page_table_pages;
extern unsigned long vm_nr_reverse_maps;
extern unsigned long vm_nr_mapped;
extern unsigned long vm_nr_slab;
extern unsigned long vm_pgpgin;
extern unsigned long vm_pgpgout;
extern unsigned long vm_pswpin;
extern unsigned long vm_pswpout;
extern unsigned long vm_pgalloc;
extern unsigned long vm_pgfree;
extern unsigned long vm_pgactivate;
extern unsigned long vm_pgdeactivate;
extern unsigned long vm_pgfault;
extern unsigned long vm_pgmajfault;
extern unsigned long vm_pgscan;
extern unsigned long vm_pgrefill;
extern unsigned long vm_pgsteal;
extern unsigned long vm_kswapd_steal;
extern unsigned long vm_pageoutrun;
extern unsigned long vm_allocstall;
extern void vminfo(void);
typedef struct disk_stat{
unsigned long long reads_sectors;
unsigned long long written_sectors;
char disk_name [16];
unsigned inprogress_IO;
unsigned merged_reads;
unsigned merged_writes;
unsigned milli_reading;
unsigned milli_spent_IO;
unsigned milli_writing;
unsigned partitions;
unsigned reads;
unsigned weighted_milli_spent_IO;
unsigned writes;
}disk_stat;
typedef struct partition_stat{
char partition_name [16];
unsigned long long reads_sectors;
unsigned parent_disk; // index into a struct disk_stat array
unsigned reads;
unsigned writes;
unsigned long long requested_writes;
}partition_stat;
extern unsigned int getpartitions_num(struct disk_stat *disks, int ndisks);
extern unsigned int getdiskstat (struct disk_stat**,struct partition_stat**);
typedef struct slab_cache{
char name[48];
unsigned active_objs;
unsigned num_objs;
unsigned objsize;
unsigned objperslab;
}slab_cache;
extern unsigned int getslabinfo (struct slab_cache**);
extern unsigned get_pid_digits(void) FUNCTION;
EXTERN_C_END
#endif /* SYSINFO_H */
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