[PATCH 1/1] cr: add a few more ckpt_write_err()s
Serge E. Hallyn
serue at us.ibm.com
Fri Sep 11 14:27:42 PDT 2009
Quoting Oren Laadan (orenl at librato.com):
> I wonder if it can be useful to decide on a common "format", that
> can be useful in the future for automatic error analysis. E.g:
> "[PID %d ERR %d]: .....", for error with a specific task, and
> "[PID %d ERR %d OBJ %d]: ......" for error with an object, and so on.
> Or even a bit more fancy, like:
> ckpt_write_err("EO", "error message %p blah", err, obj, ptr);
> SPEC FMT VARS...
> Which ckpt_write_err() will translate to
> sprintf(s, "[PID %d ERR %d] FMT", VARS...);
> So the SPEC "EO" (stands for ERR, OBJ) becomes "[PID %d ERR %d OBJ %d]: "
> (pid is mandatory, the rest requested by the caller):
> E -> ERR %d
> O -> OBJ %d
> P -> PTR %p
> S -> SYM %pS
Yes, it'd be useful. BTW it also would be useful to have mktree/
restart auto-detect such error strings and report them.
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