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98 lines
3.7 KiB
98 lines
3.7 KiB
/* |
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htop - generic/openzfs_sysctl.c |
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(C) 2014 Hisham H. Muhammad |
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Released under the GNU GPLv2, see the COPYING file |
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in the source distribution for its full text. |
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*/ |
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#include "generic/openzfs_sysctl.h" |
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#include <stdlib.h> |
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#include <sys/types.h> // IWYU pragma: keep |
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#include <sys/sysctl.h> // needs <sys/types.h> for u_int with gcc |
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#include "zfs/ZfsArcStats.h" |
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static int MIB_kstat_zfs_misc_arcstats_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_c_max[5]; |
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static int MIB_kstat_zfs_misc_arcstats_mfu_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_mru_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_anon_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_hdr_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_other_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_compressed_size[5]; |
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static int MIB_kstat_zfs_misc_arcstats_uncompressed_size[5]; |
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void openzfs_sysctl_init(ZfsArcStats* stats) { |
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size_t len; |
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unsigned long long int arcSize; |
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len = sizeof(arcSize); |
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if (sysctlbyname("kstat.zfs.misc.arcstats.size", &arcSize, &len, NULL, 0) == 0 && arcSize != 0) { |
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stats->enabled = 1; |
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len = 5; |
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sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.c_max", MIB_kstat_zfs_misc_arcstats_c_max, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.mfu_size", MIB_kstat_zfs_misc_arcstats_mfu_size, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.mru_size", MIB_kstat_zfs_misc_arcstats_mru_size, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.anon_size", MIB_kstat_zfs_misc_arcstats_anon_size, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.hdr_size", MIB_kstat_zfs_misc_arcstats_hdr_size, &len); |
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sysctlnametomib("kstat.zfs.misc.arcstats.other_size", MIB_kstat_zfs_misc_arcstats_other_size, &len); |
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if (sysctlnametomib("kstat.zfs.misc.arcstats.compressed_size", MIB_kstat_zfs_misc_arcstats_compressed_size, &len) == 0) { |
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stats->isCompressed = 1; |
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sysctlnametomib("kstat.zfs.misc.arcstats.uncompressed_size", MIB_kstat_zfs_misc_arcstats_uncompressed_size, &len); |
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} else { |
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stats->isCompressed = 0; |
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} |
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} else { |
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stats->enabled = 0; |
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} |
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} |
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void openzfs_sysctl_updateArcStats(ZfsArcStats* stats) { |
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size_t len; |
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if (stats->enabled) { |
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len = sizeof(stats->size); |
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sysctl(MIB_kstat_zfs_misc_arcstats_size, 5, &(stats->size), &len, NULL, 0); |
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stats->size /= 1024; |
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len = sizeof(stats->max); |
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sysctl(MIB_kstat_zfs_misc_arcstats_c_max, 5, &(stats->max), &len, NULL, 0); |
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stats->max /= 1024; |
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len = sizeof(stats->MFU); |
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sysctl(MIB_kstat_zfs_misc_arcstats_mfu_size, 5, &(stats->MFU), &len, NULL, 0); |
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stats->MFU /= 1024; |
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len = sizeof(stats->MRU); |
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sysctl(MIB_kstat_zfs_misc_arcstats_mru_size, 5, &(stats->MRU), &len, NULL, 0); |
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stats->MRU /= 1024; |
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len = sizeof(stats->anon); |
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sysctl(MIB_kstat_zfs_misc_arcstats_anon_size, 5, &(stats->anon), &len, NULL, 0); |
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stats->anon /= 1024; |
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len = sizeof(stats->header); |
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sysctl(MIB_kstat_zfs_misc_arcstats_hdr_size, 5, &(stats->header), &len, NULL, 0); |
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stats->header /= 1024; |
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len = sizeof(stats->other); |
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sysctl(MIB_kstat_zfs_misc_arcstats_other_size, 5, &(stats->other), &len, NULL, 0); |
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stats->other /= 1024; |
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if (stats->isCompressed) { |
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len = sizeof(stats->compressed); |
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sysctl(MIB_kstat_zfs_misc_arcstats_compressed_size, 5, &(stats->compressed), &len, NULL, 0); |
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stats->compressed /= 1024; |
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len = sizeof(stats->uncompressed); |
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sysctl(MIB_kstat_zfs_misc_arcstats_uncompressed_size, 5, &(stats->uncompressed), &len, NULL, 0); |
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stats->uncompressed /= 1024; |
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} |
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} |
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}
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