linux-kernel - Re: [RFC v3 06/17] perf kwork: Implement perf kwork report

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Date:   Wed, 27 Jul 2022 11:04:35 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Yang Jihong <yangjihong1@...wei.com>
Cc:     peterz@...radead.org, mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, pc@...ibm.com, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [RFC v3 06/17] perf kwork: Implement perf kwork report

Em Wed, Jul 27, 2022 at 08:39:33AM +0800, Yang Jihong escreveu:
> Hello,
> 
> On 2022/7/27 1:40, Arnaldo Carvalho de Melo wrote:
> > Em Sat, Jul 09, 2022 at 09:50:22AM +0800, Yang Jihong escreveu:
> > > +
> > > +static void report_print_work(struct perf_kwork *kwork,
> > > +			      struct kwork_work *work)
> > > +{
> > > +	int ret = 0;
> > > +	char kwork_name[PRINT_KWORK_NAME_WIDTH];
> > > +	char max_runtime_start[32], max_runtime_end[32];
> > 
> > Committer notes:
> > 
> > - Add some {} for multiline for/if blocks
> > 
> > - Return the calculated number of printed bytes in report_print_work,
> >    otherwise soem compilers will complain that variable isn't used, e.g.:
> > 
> >     2    92.64 almalinux:9                   : FAIL clang version 13.0.1 (Red Hat 13.0.1-1.el9)
> >      builtin-kwork.c:1061:6: error: variable 'ret' set but not used [-Werror,-Wunused-but-set-variable]
> >              int ret = 0;
> > 
> > 
> OK, I'll fix it in next version.

your work with these fixups is already at acme/perf/core:

git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core

Please continue from there. Please let me know if I made some mistake.

Thanks for working on this!

- Arnaldo