mirror of
https://github.com/prometheus/node_exporter.git
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80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build !nodevstat
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#include <devstat.h>
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#include <fcntl.h>
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#include <libgeom.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <devstat_freebsd.h>
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int _get_stats(struct devinfo *info, Stats **stats) {
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struct statinfo current;
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current.dinfo = info;
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if (devstat_getdevs(NULL, ¤t) == -1) {
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return -1;
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}
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Stats *p = (Stats*)calloc(current.dinfo->numdevs, sizeof(Stats));
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for (int i = 0; i < current.dinfo->numdevs; i++) {
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uint64_t bytes_read, bytes_write, bytes_free;
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uint64_t transfers_other, transfers_read, transfers_write, transfers_free;
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long double duration_other, duration_read, duration_write, duration_free;
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long double busy_time;
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uint64_t blocks;
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strcpy(p[i].device, current.dinfo->devices[i].device_name);
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p[i].unit = current.dinfo->devices[i].unit_number;
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devstat_compute_statistics(¤t.dinfo->devices[i],
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NULL,
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1.0,
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DSM_TOTAL_BYTES_READ, &bytes_read,
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DSM_TOTAL_BYTES_WRITE, &bytes_write,
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DSM_TOTAL_BYTES_FREE, &bytes_free,
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DSM_TOTAL_TRANSFERS_OTHER, &transfers_other,
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DSM_TOTAL_TRANSFERS_READ, &transfers_read,
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DSM_TOTAL_TRANSFERS_WRITE, &transfers_write,
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DSM_TOTAL_TRANSFERS_FREE, &transfers_free,
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DSM_TOTAL_DURATION_OTHER, &duration_other,
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DSM_TOTAL_DURATION_READ, &duration_read,
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DSM_TOTAL_DURATION_WRITE, &duration_write,
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DSM_TOTAL_DURATION_FREE, &duration_free,
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DSM_TOTAL_BUSY_TIME, &busy_time,
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DSM_TOTAL_BLOCKS, &blocks,
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DSM_NONE);
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p[i].bytes.read = bytes_read;
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p[i].bytes.write = bytes_write;
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p[i].bytes.free = bytes_free;
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p[i].transfers.other = transfers_other;
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p[i].transfers.read = transfers_read;
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p[i].transfers.write = transfers_write;
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p[i].transfers.free = transfers_free;
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p[i].duration.other = duration_other;
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p[i].duration.read = duration_read;
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p[i].duration.write = duration_write;
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p[i].duration.free = duration_free;
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p[i].busyTime = busy_time;
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p[i].blocks = blocks;
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}
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*stats = p;
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return current.dinfo->numdevs;
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}
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