Messages in this thread | | | Date | Mon, 13 Mar 2017 11:47:14 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] perf report: show sort_order in title |
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Em Mon, Mar 13, 2017 at 04:36:35PM +0800, changbin.du@intel.com escreveu: > From: Changbin Du <changbin.du@intel.com> > > In the report, how does the data sort is a important info for > analyser. Moreover, perf sometimes insert or append sort fields > automatically. Thus user may confuse how it sorts w/o reading > perf internal. So here print the order info to repor title. > > Signed-off-by: Changbin Du <changbin.du@intel.com> > --- > tools/perf/ui/browsers/hists.c | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c > index fc4fb66..6c6b615 100644 > --- a/tools/perf/ui/browsers/hists.c > +++ b/tools/perf/ui/browsers/hists.c > @@ -2194,6 +2194,25 @@ static inline bool is_report_browser(void *timer) > return timer == NULL; > } > > +static int get_sort_fields_str(struct hists *hists, char *buf, size_t size)
I'll just rename this to use the tools/perf/ style for such functions, making it:
static int hists__scnprintf_sort_fields(hists, buf, size)
> +{ > + struct perf_hpp_fmt *fmt; > + bool first = true; > + int ret = 0; > + > + hists__for_each_sort_list(hists, fmt) { > + if (first) { > + first = false; > + ret += scnprintf(buf + ret, size - ret, "%s", fmt->name); > + } else { > + ret += scnprintf(buf + ret, size - ret, ",%s", fmt->name); > + } > + if (size - ret <= 0) > + break; > + } > + return ret; > +} > + > static int perf_evsel_browser_title(struct hist_browser *browser, > char *bf, size_t size) > { > @@ -2274,6 +2293,9 @@ static int perf_evsel_browser_title(struct hist_browser *browser, > printed += scnprintf(bf + printed, size - printed, " [z]"); > } > > + get_sort_fields_str(hists, buf, sizeof(buf)); > + printed += scnprintf(bf + printed, size - printed, ", Sort by: %s", buf); > + > return printed; > } > > -- > 2.7.4
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