To John Birrell: weird behaviors of DTrace on amd64
jhb at freebsd.org
Thu Feb 5 13:46:59 PST 2009
On Thursday 05 February 2009 11:31:52 am Klapper Zhu wrote:
> Hi John Birrell,
> I am exploring DTrace on "7.1-STABLE FreeBSD amd64" and I found several
> weird behaviors:
> 1) Not all kernel functions show up in fbt provider. Take isp(4) as example:
> "dtrace -l" shows
> static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
> ___but not___
> static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
> Both are static functions. But one shows up in fbt, another not.
> What's the rational behind it ? Any way to fix it ?
Perhaps gcc inlined it? Try using -fno-inline perhaps.
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