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SubjectRe: [PATCHSET 0/6] perf tools: Honor column width setting
On Wed, Jul 23, 2014 at 04:40:36PM +0900, Namhyung Kim wrote:
> Hi Jiri,
>
> On Mon, 21 Jul 2014 11:07:55 +0200, Jiri Olsa wrote:
> > On Wed, Jul 09, 2014 at 02:28:08PM +0900, Namhyung Kim wrote:
> >> Hello,
> >>
> >> This patchset is to control perf report/top output column width by
> >> -w/--column-widths option so that it can fit into the terminal size.
> >> The -w option is there for perf report but it ignored by recent output
> >> field changed due to some reason. This patchset fixes it and supports
> >> perf top also.
> >>
> >> This is sometimes useful if your terminal is small and there's some
> >> C++ applications which have amazingly long symbol names. Without this
> >> patchset user might not see those symbols on TUI, since it maps
> >> left/right arrow keys to other functions.
> >>
> >> The -w option sets column width starting from the first column
> >> (overhead or optional overhead_children column unless -F option is
> >> given). It doesn't make sense to limit those overhead columns so it's
> >> not a hard-limit for them. But it *is* a hard-limit for other columns
> >> such as comm, dso, symbol, and so on. One can use 0 not to
> >> limit/force a width for those columns.
> >
> > hi,
> > I've got broken TUI output for "perf report --group"
> >
> > Samples: 17 of event 'anon group { cycles, instructions }', Event count (approx.): 9145256
> > 56.44% 31.59% ls libc-2.17.so [.] __strcoll_l
> > 39.94% 0.00% ls ld-2.17.so [.] _dl_new_object
> > 3.48% 0.00% ls [kernel.kallsyms] [k] setup_arg_pages
> > 0.14% 0.33% ls [kernel.kallsyms] [k] native_write_msr_safe
> > 0.00% 30.17% ls [kernel.kallsyms] [k] security_inode_permission
> > 0.00% 29.78% ls ls [.] indent
> > 0.00% 8.12% ls [kernel.kallsyms] [k] __slab_alloc
> >
> > I have 'show-headers' set to false in ~/.perfconfig and the output
> > got fixed after displaying headers by pressing 'H'
>
> Argh, you're right. It should be fixed with this patch:

yep, that fixed that for me

thanks,
jirka


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