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https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-29 00:03:58 +01:00
李通洲
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
#include "diskio.h"
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#include "util/stringUtils.h"
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#include "util/mallocHelper.h"
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#include <sys/iostat.h>
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#include <sys/sysctl.h>
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const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
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{
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int mib[] = {CTL_HW, HW_IOSTATS, sizeof(struct io_sysctl)};
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size_t len;
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if (sysctl(mib, ARRAY_SIZE(mib), NULL, &len, NULL, 0) < 0)
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return "sysctl({HW_IOSTATS}, NULL) failed";
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uint32_t nDrive = (uint32_t) (len / sizeof(struct io_sysctl));
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FF_AUTO_FREE struct io_sysctl* stats = malloc(len);
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if (sysctl(mib, ARRAY_SIZE(mib), stats, &len, NULL, 0) < 0)
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return "sysctl({HW_IOSTATS}, stats) failed";
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for (uint32_t i = 0; i < nDrive; ++i)
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{
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struct io_sysctl* st = &stats[i];
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if (options->namePrefix.length && strncmp(st->name, options->namePrefix.chars, options->namePrefix.length) != 0)
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continue;
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FFDiskIOResult* device = (FFDiskIOResult*) ffListAdd(result);
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ffStrbufInitF(&device->devPath, "/dev/%s", st->name);
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ffStrbufInitS(&device->name, st->name);
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device->bytesRead = st->rbytes;
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device->readCount = st->rxfer;
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device->bytesWritten = st->wbytes;
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device->writeCount = st->wxfer;
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}
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return NULL;
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}
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