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Move generic (shared) code into its own sub-directory

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Code that is shared across some (but not all) platforms
is moved into a 'generic' home. Makefile.am cleanups to
match plus some minor alphabetic reordering/formatting.

As discussed in https://github.com/htop-dev/htop/pull/553
This commit is contained in:
Nathan Scott
2021-03-03 10:59:28 +11:00
parent 5b50ae3aa3
commit 61ef1134d9
15 changed files with 144 additions and 77 deletions
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98
zfs/openzfs_sysctl.c
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@ -1,98 +0,0 @@
/*
htop - zfs/openzfs_sysctl.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "zfs/openzfs_sysctl.h"
#include <stdlib.h>
#include <sys/types.h> // IWYU pragma: keep
#include <sys/sysctl.h> // needs <sys/types.h> for u_int with gcc
#include "zfs/ZfsArcStats.h"
static int MIB_kstat_zfs_misc_arcstats_size[5];
static int MIB_kstat_zfs_misc_arcstats_c_max[5];
static int MIB_kstat_zfs_misc_arcstats_mfu_size[5];
static int MIB_kstat_zfs_misc_arcstats_mru_size[5];
static int MIB_kstat_zfs_misc_arcstats_anon_size[5];
static int MIB_kstat_zfs_misc_arcstats_hdr_size[5];
static int MIB_kstat_zfs_misc_arcstats_other_size[5];
static int MIB_kstat_zfs_misc_arcstats_compressed_size[5];
static int MIB_kstat_zfs_misc_arcstats_uncompressed_size[5];
void openzfs_sysctl_init(ZfsArcStats* stats) {
size_t len;
unsigned long long int arcSize;
len = sizeof(arcSize);
if (sysctlbyname("kstat.zfs.misc.arcstats.size", &arcSize, &len, NULL, 0) == 0 && arcSize != 0) {
stats->enabled = 1;
len = 5;
sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.c_max", MIB_kstat_zfs_misc_arcstats_c_max, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.mfu_size", MIB_kstat_zfs_misc_arcstats_mfu_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.mru_size", MIB_kstat_zfs_misc_arcstats_mru_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.anon_size", MIB_kstat_zfs_misc_arcstats_anon_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.hdr_size", MIB_kstat_zfs_misc_arcstats_hdr_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.other_size", MIB_kstat_zfs_misc_arcstats_other_size, &len);
if (sysctlnametomib("kstat.zfs.misc.arcstats.compressed_size", MIB_kstat_zfs_misc_arcstats_compressed_size, &len) == 0) {
stats->isCompressed = 1;
sysctlnametomib("kstat.zfs.misc.arcstats.uncompressed_size", MIB_kstat_zfs_misc_arcstats_uncompressed_size, &len);
} else {
stats->isCompressed = 0;
}
} else {
stats->enabled = 0;
}
}
void openzfs_sysctl_updateArcStats(ZfsArcStats* stats) {
size_t len;
if (stats->enabled) {
len = sizeof(stats->size);
sysctl(MIB_kstat_zfs_misc_arcstats_size, 5, &(stats->size), &len, NULL, 0);
stats->size /= 1024;
len = sizeof(stats->max);
sysctl(MIB_kstat_zfs_misc_arcstats_c_max, 5, &(stats->max), &len, NULL, 0);
stats->max /= 1024;
len = sizeof(stats->MFU);
sysctl(MIB_kstat_zfs_misc_arcstats_mfu_size, 5, &(stats->MFU), &len, NULL, 0);
stats->MFU /= 1024;
len = sizeof(stats->MRU);
sysctl(MIB_kstat_zfs_misc_arcstats_mru_size, 5, &(stats->MRU), &len, NULL, 0);
stats->MRU /= 1024;
len = sizeof(stats->anon);
sysctl(MIB_kstat_zfs_misc_arcstats_anon_size, 5, &(stats->anon), &len, NULL, 0);
stats->anon /= 1024;
len = sizeof(stats->header);
sysctl(MIB_kstat_zfs_misc_arcstats_hdr_size, 5, &(stats->header), &len, NULL, 0);
stats->header /= 1024;
len = sizeof(stats->other);
sysctl(MIB_kstat_zfs_misc_arcstats_other_size, 5, &(stats->other), &len, NULL, 0);
stats->other /= 1024;
if (stats->isCompressed) {
len = sizeof(stats->compressed);
sysctl(MIB_kstat_zfs_misc_arcstats_compressed_size, 5, &(stats->compressed), &len, NULL, 0);
stats->compressed /= 1024;
len = sizeof(stats->uncompressed);
sysctl(MIB_kstat_zfs_misc_arcstats_uncompressed_size, 5, &(stats->uncompressed), &len, NULL, 0);
stats->uncompressed /= 1024;
}
}
}

16
zfs/openzfs_sysctl.h
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@ -1,16 +0,0 @@
#ifndef HEADER_openzfs_sysctl
#define HEADER_openzfs_sysctl
/*
htop - zfs/openzfs_sysctl.h
(C) 2014 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "zfs/ZfsArcStats.h"
void openzfs_sysctl_init(ZfsArcStats* stats);
void openzfs_sysctl_updateArcStats(ZfsArcStats* stats);
#endif