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https://github.com/prometheus/node_exporter.git
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a077024f51
* Add diskstats collector for Darwin * Update year in the header * Update README.md * Add github.com/lufia/iostat to vendored packages * Change stats to follow naming guidelines * Add a entry of github.com/lufia/iostat into vendor.json * Remove /proc/diskstats from description
38 lines
1023 B
Go
38 lines
1023 B
Go
// +build darwin
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package iostat
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// #cgo LDFLAGS: -framework CoreFoundation -framework IOKit
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// #include <stdint.h>
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// #include "iostat_darwin.h"
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import "C"
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import (
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"time"
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)
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// ReadDriveStats returns statictics of each of the drives.
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func ReadDriveStats() ([]*DriveStats, error) {
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var buf [C.NDRIVE]C.DriveStats
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n, err := C.readdrivestat(&buf[0], C.int(len(buf)))
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if err != nil {
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return nil, err
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}
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stats := make([]*DriveStats, n)
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for i := 0; i < int(n); i++ {
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stats[i] = &DriveStats{
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Name: C.GoString(&buf[i].name[0]),
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Size: int64(buf[i].size),
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BlockSize: int64(buf[i].blocksize),
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BytesRead: int64(buf[i].read),
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BytesWritten: int64(buf[i].written),
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NumRead: int64(buf[i].nread),
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NumWrite: int64(buf[i].nwrite),
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TotalReadTime: time.Duration(buf[i].readtime),
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TotalWriteTime: time.Duration(buf[i].writetime),
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ReadLatency: time.Duration(buf[i].readlat),
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WriteLatency: time.Duration(buf[i].writelat),
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}
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}
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return stats, nil
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}
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