mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-29 00:03:58 +01:00
Carter Li
29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
#include "memory.h"
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#include "common/debug.h"
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#include "common/sysctl.h"
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#include <errno.h>
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#include <string.h>
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#include <sys/param.h>
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#include <uvm/uvm_extern.h>
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const char* ffDetectMemory(FFMemoryResult* ram) {
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struct uvmexp_sysctl buf;
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size_t length = sizeof(buf);
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if (sysctl((int[]) { CTL_VM, VM_UVMEXP2 }, 2, &buf, &length, nullptr, 0) < 0) {
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FF_DEBUG("sysctl(CTL_VM, VM_UVMEXP2) failed: %s", strerror(errno));
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return "sysctl(CTL_VM, VM_UVMEXP2) failed";
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}
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ram->bytesTotal = (uint64_t) buf.npages << instance.state.platform.sysinfo.pageSizeShift;
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ram->bytesUsed = ((uint64_t) buf.active + (uint64_t) buf.inactive + (uint64_t) buf.wired) << instance.state.platform.sysinfo.pageSizeShift;
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int64_t bytesArc = ffSysctlGetInt64("kstat.zfs.misc.arcstats.size", 0);
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if (bytesArc > 0) bytesArc -= ffSysctlGetInt64("kstat.zfs.misc.arcstats.c_min", 0);
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if (bytesArc > 0 && (uint64_t) bytesArc < ram->bytesUsed) {
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ram->bytesUsed -= (uint64_t) bytesArc;
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}
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return nullptr;
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}
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