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author | Namhyung Kim <namhyung@kernel.org> | 2016-02-24 15:13:42 (GMT) |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-02-24 23:21:12 (GMT) |
commit | 8e2fc44f46ba4d3d1ee8b6ba0839a282a9f3fdd7 (patch) | |
tree | db39e463627af344013494e785ddf5996f861fac /tools/perf | |
parent | ef86d68a088c324e4bd85f82387d1f9a571affd0 (diff) | |
download | linux-8e2fc44f46ba4d3d1ee8b6ba0839a282a9f3fdd7.tar.xz |
perf ui/stdio: Align column header for hierarchy output
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]
...
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1456326830-30456-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/ui/stdio/hist.c | 105 | ||||
-rw-r--r-- | tools/perf/util/ctype.c | 9 | ||||
-rw-r--r-- | tools/perf/util/util.h | 2 |
3 files changed, 116 insertions, 0 deletions
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index 90b8677..435eaaa 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -511,6 +511,106 @@ 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; + + nr_sort = hists->hpp_list->nr_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 (perf_hpp__should_skip(fmt, hists)) + 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; + if (perf_hpp__should_skip(fmt, hists)) + 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) { @@ -542,6 +642,11 @@ 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; diff --git a/tools/perf/util/ctype.c b/tools/perf/util/ctype.c index aada3ac..d4a5a21 100644 --- a/tools/perf/util/ctype.c +++ b/tools/perf/util/ctype.c @@ -32,8 +32,17 @@ unsigned char sane_ctype[256] = { const char *graph_line = "_____________________________________________________________________" + "_____________________________________________________________________" "_____________________________________________________________________"; const char *graph_dotted_line = "---------------------------------------------------------------------" "---------------------------------------------------------------------" "---------------------------------------------------------------------"; +const char *spaces = + " " + " " + " "; +const char *dots = + "....................................................................." + "....................................................................." + "....................................................................."; diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 7015019..d0d50ce 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -82,6 +82,8 @@ extern const char *graph_line; extern const char *graph_dotted_line; +extern const char *spaces; +extern const char *dots; extern char buildid_dir[]; /* On most systems <limits.h> would have given us this, but |