linux-kernel - Re: [PATCH] perf report: Fix -F for branch & mem modes

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Date:   Thu, 4 Mar 2021 14:05:54 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
Cc:     Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Jiri Olsa <jolsa@...hat.com>, namhyung@...nel.org,
        kan.liang@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf report: Fix -F for branch & mem modes

Em Thu, Mar 04, 2021 at 12:15:58PM +0530, Athira Rajeev escreveu:
> > On 04-Mar-2021, at 11:59 AM, Ravi Bangoria <ravi.bangoria@...ux.ibm.com> wrote:
> > 
> > perf report fails to add valid additional fields with -F when
> > used with branch or mem modes. Fix it.
> > 
> > Before patch:
> > 
> >  $ ./perf record -b
> >  $ ./perf report -b -F +srcline_from --stdio
> >  Error:
> >  Invalid --fields key: `srcline_from'
> > 
> > After patch:
> > 
> >  $ ./perf report -b -F +srcline_from --stdio
> >  # Samples: 8K of event 'cycles'
> >  # Event count (approx.): 8784
> >  ...
> > 
> > Reported-by: Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
> > Fixes: aa6b3c99236b ("perf report: Make -F more strict like -s")
> > Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
> 
> Thanks for the fix Ravi.
> 
> Reviewed-and-tested-by: Athira Rajeev <atrajeev@...ux.vnet.ibm.com>

Thanks, applied.

- Arnaldo

 
> > ---
> > tools/perf/util/sort.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
> > index 0d5ad42812b9..552b590485bf 100644
> > --- a/tools/perf/util/sort.c
> > +++ b/tools/perf/util/sort.c
> > @@ -3140,7 +3140,7 @@ int output_field_add(struct perf_hpp_list *list, char *tok)
> > 		if (strncasecmp(tok, sd->name, strlen(tok)))
> > 			continue;
> > 
> > -		if (sort__mode != SORT_MODE__MEMORY)
> > +		if (sort__mode != SORT_MODE__BRANCH)
> > 			return -EINVAL;
> > 
> > 		return __sort_dimension__add_output(list, sd);
> > @@ -3152,7 +3152,7 @@ int output_field_add(struct perf_hpp_list *list, char *tok)
> > 		if (strncasecmp(tok, sd->name, strlen(tok)))
> > 			continue;
> > 
> > -		if (sort__mode != SORT_MODE__BRANCH)
> > +		if (sort__mode != SORT_MODE__MEMORY)
> > 			return -EINVAL;
> > 
> > 		return __sort_dimension__add_output(list, sd);
> > -- 
> > 2.29.2
> > 
> 

-- 

- Arnaldo