On Tue, 26 Apr 2016 11:59:34 -0300 Arnaldo Carvalho de Melo <a...@kernel.org> wrote:
> Em Tue, Apr 26, 2016 at 11:40:47PM +0900, Masami Hiramatsu escreveu: > > On Tue, 26 Apr 2016 10:36:57 -0300 > > Arnaldo Carvalho de Melo <a...@kernel.org> wrote: > > > > > Em Tue, Apr 26, 2016 at 06:02:11PM +0900, Masami Hiramatsu escreveu: > > > > From: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > > > > > > > > Replace many fixed-length char array with strbuf to > > > > stringify perf_probe_event and probe_trace_event etc. > > > > > > Sure you want to do that? From time to time I try to reduce the strbuf > > > usage, not grow it :-\ > > > > Aah, I got what you want. > > > > > > > > That is one of the last users of xrealloc(), via that ALLOC_GROW() > > > thing. > > > > Hmm I'm not sure what you considering, memory usage? or code reducing? > > I also would like to remove e_snprintf() use in perf probe by replacing > > with strbuf functions. I'd like to find better way. > > What I don't like is that xrealloc ends up calling die() :-\ It should > instead propagate back the error. > > In lots of cases I managed to use what is in glibc, asprintf(), that > will allocate space and format in one go. > > But strbuf has this addf() one that indeed is handy. So I think I'll > take this patch as it is not for the simpler cases where asprintf() can > be used. OK, I'll try to remove die() and xrealloc() from the strbuf, since it seems most of users of strbuf() is perf-probe. Thanks, -- Masami Hiramatsu <mhira...@kernel.org>