The https://www.yoctoproject.org/docs/current/ref-manual/ref-manual.html#debugging section of the manual references using "bitbake -S" and "bitbake-diffsigs". I tried to follow this documentation, and the first thing I noticed was that "bitbake -S" doesn't work without an argument. The second thing is that .siginfo files aren't used by bitbake-diffsigs, it uses .sigdata files. I'm not sure how to fix the documenation for sure, because I was trying to use the documentation.
I talked with Richard and got some information on this. See the http://www.yoctoproject.org/docs/2.1/ref-manual/ref-manual.html#debugging section and let me know if this clears things up. I added more detail about the BB command-line options and fixed the wrong file name. Scott
Scott: This needs to say "Whenever a shared state package is written out into the SSTATE_DIR, so is a corresponding .siginfo file. This file contains a pickled Python database of all the metadata that went into creating the hash for a given shared state package. Whenever a stamp is written into the stamp directory STAMPS, there is also a corresponding .sigdata file containg the same data for the hash which represented the executed task." and "There is a bitbake-diffsigs command that can process .sigdata and .siginfo files"
Hi, See http://www.yoctoproject.org/docs/2.1/ref-manual/ref-manual.html#tips-and-tricks for the final. Richard approved it so I am marking the bug RESOLVED and setting the doc flag to "done." Thanks, Scott
Information is added to manual. Marked as verified.