Re: [PATCH v1 0/7] Add and use run_command_strbuf

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Em Thu, Jan 19, 2023 at 08:05:36AM -0800, Ian Rogers escreveu:
> On Tue, Jan 10, 2023 at 2:20 PM Ian Rogers <irogers@xxxxxxxxxx> wrote:
> >
> > It is commonly useful to run a command using "/bin/sh -c" (like popen)
> > and to place the output in a string. Move strbuf to libapi, add a new
> > run_command that places output in a strbuf, then use it in help and
> > llvm in perf. Some small strbuf efficiency improvements are
> > included. Whilst adding a new function should increase lines-of-code,
> > by sharing two similar usages in perf llvm and perf help, the overall
> > lines-of-code is moderately reduced.
> >
> > First "perf llvm: Fix inadvertent file creation" is cherry-picked
> > from:
> > https://lore.kernel.org/lkml/20230105082609.344538-1-irogers@xxxxxxxxxx/
> > to avoid a merge conflict. The next patches deal with moving strbuf,
> > adding the run_command function with Makefile dependency from
> > libsubcmd to libapi, and improving the strbuf performance. The final
> > two patches add usage from the perf command.
> >
> > Ian Rogers (7):
> >   perf llvm: Fix inadvertent file creation
> >   tools lib: Move strbuf to libapi
> >   tools lib subcmd: Add run_command_strbuf
> >   tools lib api: Minor strbuf_read improvements
> >   tools lib api: Tweak strbuf allocation size computation
> >   perf help: Use run_command_strbuf
> >   perf llvm: Remove read_from_pipe
> 
> This isn't ready yet. Kernel test robot reported legitimate build
> breakages in other tools outside of perf, I'm looking to address those
> in separate patch series.
> https://lore.kernel.org/lkml/20230116215751.633675-1-irogers@xxxxxxxxxx/

Thanks for the heads up, I recall seeing a build bot report.

It's great to have that build bot testing perf patches, thanks to
whoever put it in place!

- Arnaldo



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