> > > I need to look at the content of the lwpsinfo structure from a process core > > dump. Is there some MDB magic for that? > > > > - Alexander Kolbasov > > The mdb proc target publishes some of the libproc data structures > as "xdata" (extended data buffers): you can list them using ::xdata: > > > ::xdata > auxv - procfs auxv_t array (104 bytes) > cred - procfs prcred_t structure (44 bytes) > ehdr - executable file GElf_Ehdr structure (64 bytes) > lwpstatus - procfs lwpstatus_t array (800 bytes) > pshandle - libproc proc service API handle (4 bytes) > psinfo - procfs psinfo_t structure (336 bytes) > pstatus - procfs pstatus_t structure (1136 bytes) > utsname - utsname structure (1285 bytes) > > The mdb_get_xdata() api (see the docs for info) is used to read these buffers. > Feel free to add more if they are needed and useful. Note that the pshandle > itself is exported, so you can read it directly and then get to other things. > Some example code to do this for per-lwp cursig values is below.
Thanks Mike, this is very helpful. Is there any programmatic support for LWP iteration similar to Plwp_iter_all()? - Alexander Kolbasov
