From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753405AbcBENEM (ORCPT ); Fri, 5 Feb 2016 08:04:12 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36850 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753380AbcBENEH (ORCPT ); Fri, 5 Feb 2016 08:04:07 -0500 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , David Ahern , Andi Kleen , Stephane Eranian , Wang Nan Subject: [PATCH 15/23] perf ui/stdio: Align column header for hierarchy output Date: Fri, 5 Feb 2016 22:01:47 +0900 Message-Id: <1454677315-7515-16-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1454677315-7515-1-git-send-email-namhyung@kernel.org> References: <1454677315-7515-1-git-send-email-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The hierarchy output mode is to group entries so the existing columns won't fit to the new output. Treat all sort keys as a single column and separate headers by "/". # Overhead Command / Shared Object # ........... ................................ # 15.11% swapper 14.97% [kernel.vmlinux] 0.09% [libahci] 0.05% [iwlwifi] ... Acked-by: Pekka Enberg Signed-off-by: Namhyung Kim --- tools/perf/ui/stdio/hist.c | 107 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index b58f718a6afc..4bdab3cf1b6c 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -505,6 +505,108 @@ static int hist_entry__fprintf(struct hist_entry *he, size_t size, return ret; } +static int print_hierarchy_indent(const char *sep, int nr_sort, + const char *line, FILE *fp) +{ + if (sep != NULL || nr_sort < 1) + return 0; + + return fprintf(fp, "%-.*s", (nr_sort - 1) * HIERARCHY_INDENT, line); +} + +static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, + const char *sep, FILE *fp) +{ + bool first = true; + int nr_sort; + unsigned width = 0; + unsigned header_width = 0; + struct perf_hpp_fmt *fmt; + const char spaces[] = " " + " " + " "; + const char dots[] = "................................................." + "....................................................................." + "....................................................................."; + + nr_sort = perf_hpp__count_sort_keys(); + + /* preserve max indent depth for column headers */ + print_hierarchy_indent(sep, nr_sort, spaces, fp); + + hists__for_each_format(hists, fmt) { + if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt)) + break; + + if (!first) + fprintf(fp, "%s", sep ?: " "); + else + first = false; + + fmt->header(fmt, hpp, hists_to_evsel(hists)); + fprintf(fp, "%s", hpp->buf); + } + + /* combine sort headers with ' / ' */ + first = true; + hists__for_each_format(hists, fmt) { + if (!perf_hpp__is_sort_entry(fmt) && !perf_hpp__is_dynamic_entry(fmt)) + continue; + + if (!first) + header_width += fprintf(fp, " / "); + else { + header_width += fprintf(fp, "%s", sep ?: " "); + first = false; + } + + fmt->header(fmt, hpp, hists_to_evsel(hists)); + rtrim(hpp->buf); + + header_width += fprintf(fp, "%s", hpp->buf); + } + + /* preserve max indent depth for combined sort headers */ + print_hierarchy_indent(sep, nr_sort, spaces, fp); + + fprintf(fp, "\n# "); + + /* preserve max indent depth for initial dots */ + print_hierarchy_indent(sep, nr_sort, dots, fp); + + first = true; + hists__for_each_format(hists, fmt) { + if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt)) + break; + + if (!first) + fprintf(fp, "%s", sep ?: " "); + else + first = false; + + width = fmt->width(fmt, hpp, hists_to_evsel(hists)); + fprintf(fp, "%.*s", width, dots); + } + + hists__for_each_format(hists, fmt) { + if (!perf_hpp__is_sort_entry(fmt) && !perf_hpp__is_dynamic_entry(fmt)) + continue; + + width = fmt->width(fmt, hpp, hists_to_evsel(hists)); + if (width > header_width) + header_width = width; + } + + fprintf(fp, "%s%-.*s", sep ?: " ", header_width, dots); + + /* preserve max indent depth for dots under sort headers */ + print_hierarchy_indent(sep, nr_sort, dots, fp); + + fprintf(fp, "\n#\n"); + + return 2; +} + size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, int max_cols, float min_pcnt, FILE *fp) { @@ -536,6 +638,11 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, fprintf(fp, "# "); + if (symbol_conf.report_hierarchy) { + nr_rows += print_hierarchy_header(hists, &dummy_hpp, sep, fp); + goto print_entries; + } + hists__for_each_format(hists, fmt) { if (perf_hpp__should_skip(fmt, hists)) continue; -- 2.7.0