Messages in this thread Patch in this message | | | From | changbin.du@intel ... | Subject | [PATCH] perf report: show sort_order in title | Date | Mon, 13 Mar 2017 16:36:35 +0800 |
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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) +{ + 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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