"stap -u" testing

[Vara Prasad]

I think this is a good idea.

Mike Mason wrote:

> As far as I can tell, none of the tests invoke stap with the -u option 
> (unoptimized mode).  Doing so is revealing (see examples below).  I 
> propose we add "-u" tests to verify that *all* parameters used in 
> tapsets can be accessed, even those not explicitly referenced in the 
> tests.  What do others think?
>
> Mike
>
> Examples:
>
> # stap -p4 -u -e "probe signal.* {}"
>
> semantic error: unsupported type tag 19: identifier '$act' at 
> /usr/local/share/systemtap/tapset/signal.stp:418:20
> semantic error: failed to retrieve location attribute for local 'info' 
> (dieoffset: 0x5951a): identifier '$info' at 
> /usr/local/share/systemtap/tapset/signal.stp:379:13
> semantic error: failed to retrieve location attribute for local 'info' 
> (dieoffset: 0x5951a): identifier '$info' at 
> /usr/local/share/systemtap/tapset/signal.stp:380:16
> semantic error: failed to retrieve location attribute for local 'ka' 
> (dieoffset: 0x59515): identifier '$ka' at 
> /usr/local/share/systemtap/tapset/signal.stp:381:15
> semantic error: failed to retrieve location attribute for local 
> 'oldset' (dieoffset: 0x59510): identifier '$oldset' at 
> /usr/local/share/systemtap/tapset/signal.stp:382:18
> semantic error: failed to retrieve location attribute for local 'regs' 
> (dieoffset: 0x5950b): identifier '$regs' at 
> /usr/local/share/systemtap/tapset/signal.stp:383:12
> semantic error: unsupported type tag 19: identifier '$q' at 
> /usr/local/share/systemtap/tapset/signal.stp:65:13
> semantic error: unsupported type tag 19: identifier '$q' at 
> /usr/local/share/systemtap/tapset/signal.stp:74:13
> semantic error: probe_1497 with unresolved type for identifier 
> 'sa_mask' at /usr/local/share/systemtap/tapset/signal.stp:418:10
> semantic error: probe_1503 with unresolved type for identifier 
> 'ka_addr' at /usr/local/share/systemtap/tapset/signal.stp:381:5
> semantic error: probe_1503 with unresolved type for identifier 
> 'oldset_addr' at /usr/local/share/systemtap/tapset/signal.stp:382:5
> semantic error: probe_1503 with unresolved type for identifier 'regs' 
> at /usr/local/share/systemtap/tapset/signal.stp:383:5
> Pass 2: analysis failed.  Try again with more '-v' (verbose) options.
>
> # stap -p4 -u -e "probe vm.* {}"
>
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0xad1ca2): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x87cb8c): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x87c976): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x87ee4b): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x28f97a): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x28d1f0): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'addr' 
> (dieoffset: 0x28cdbe): identifier '$addr' at 
> /usr/local/share/systemtap/tapset/memory.stp:97:15
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0xad1c9d): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0x87cb87): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0x87c971): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0x87ee46): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0x28f975): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: failed to retrieve location attribute for local 'len' 
> (dieoffset: 0x28cdb9): identifier '$len' at 
> /usr/local/share/systemtap/tapset/memory.stp:98:14
> semantic error: probe_1495 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1495 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> semantic error: probe_1496 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1497 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1497 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> semantic error: probe_1498 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1498 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> semantic error: probe_1499 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1499 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> semantic error: probe_1500 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1500 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> semantic error: probe_1501 with unresolved type for identifier 
> 'address' at /usr/local/share/systemtap/tapset/memory.stp:97:5
> semantic error: probe_1501 with unresolved type for identifier 
> 'length' at /usr/local/share/systemtap/tapset/memory.stp:98:5
> Pass 2: analysis failed.  Try again with more '-v' (verbose) options.
>
>