Load the dtraceall module if /dev/dtrace/dtrace doesn't exist.
MFC after: 3 days
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@ -1086,7 +1086,17 @@ dt_vopen(int version, int flags, int *errp,
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dtfd = open("/dev/dtrace/dtrace", O_RDWR);
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err = errno; /* save errno from opening dtfd */
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#if defined(__FreeBSD__)
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/*
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* Automatically load the 'dtraceall' module if we couldn't open the
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* char device.
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*/
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if (err == ENOENT && modfind("dtraceall") < 0) {
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kldload("dtraceall"); /* ignore the error */
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dtfd = open("/dev/dtrace/dtrace", O_RDWR);
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err = errno;
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}
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#endif
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#if defined(sun)
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ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR);
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#else
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