Hello
In the file
pfmon_os_v2x.c
In the funcion
get_unavail_regs_v2x()
There is the code sequence
fd = pfm_create_context(&ctx, NULL, NULL, 0);
if (fd == -1)
return -1;
ret = pfm_getinfo_evtsets(fd, &setf, 1);
if (ret == -1) {
close(fd);
return -1;
}
My problem is that on my MIPS machine (running 2.6.26 patched with
perfmon2) the pfm_create_context() call is returning "0" as the fd.
Then the pfm_getinfo_evtsets() call is returning -1, so then fd 0 gets
closed.
This is a problem because fd 0 is stdin, so if I am trying to profile a
program that gets input from stdin it fails.
I tried to track down where this problem was coming from, but there are so
many compatability layers I can't easily follow where the problem is being
introduced from.
Any advice on the best way to track this down?
Thanks,
Vince
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