search for: b_rptr

Hi i''m trying to write my first dtrace script apparently i bit off a bit more than i can chew, i want to track io over sockets, i found your socketsize.d that gave me how to track writes, but i''m at a loss how to track reads, frankly i don''t see how your write tracker works because it uses a probe in a function that only takes two arguments but you grab size of write

.../dtrace -Cs > > #include <sys/stream.h> > > strrput:entry > / > args[0]->q_stream->sd_vnode == (struct vnode *)$1 > && args[1]->b_datap->db_type == M_DATA > / > { > printf("strrput mp = %p\n", args[1]); > printf("mp->b_rptr = %*.*s\n", > args[1]->b_wptr-args[1]->b_rptr, > args[1]->b_wptr-args[1]->b_rptr, stringof(args[1]->b_rptr)); > } > > ----------------------------------------------------- > > At any rate, without the -C, I can''t use #include <sys/stream.h>. &...

I was trying to use tracemem to look at mblk contents. First, I tried to use mblk->b_wptr - mblk->b_rptr as the size, and was told that it had to be a constant. Foo. (RFE #1). Then, I tried to use 8 as the size, and kept getting decimal numbers printed. Stumbled on #pragma D option rawbytes=true (is the =true necessary, btw?) and that didn''t help. Then, in desperation, I changed the si...

(networking-discuss Bcc''ed) Good morning, The Crossbow team would like to invite you to participate in the project''s third and last phase of code review. The third phase of the review starts today, and will last for two weeks. It covers the following parts of the code: VLANs Link Aggregations Xen mac_datapath_setup All drivers