Commit-ID:  c818b49820aea96d6a1b43815bae0ee38b09ca0d
Gitweb:     http://git.kernel.org/tip/c818b49820aea96d6a1b43815bae0ee38b09ca0d
Author:     Jiri Olsa <jo...@redhat.com>
AuthorDate: Sat, 1 Dec 2012 21:57:04 +0100
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Fri, 12 Jul 2013 13:54:09 -0300

perf diff: Move columns into struct data__file

Another step towards multiple data files support. Having columns
definition within struct data__file force each data file having its own
columns.

Signed-off-by: Jiri Olsa <jo...@redhat.com>
Reviewed-by: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Link: http://lkml.kernel.org/n/tip-lnfqj7k7fqw8bz07pupi5...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-diff.c | 97 +++++++++++++++++++++++++++--------------------
 1 file changed, 55 insertions(+), 42 deletions(-)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 8734f1c..7787ee2 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -44,6 +44,7 @@ struct data__file {
        struct perf_session     *session;
        const char              *file;
        int                      idx;
+       struct diff_hpp_fmt      fmt[PERF_HPP_DIFF__MAX_INDEX];
 };
 
 static struct data__file *data__files;
@@ -584,6 +585,17 @@ static void data_process(void)
        }
 }
 
+static void data__free(struct data__file *d)
+{
+       int col;
+
+       for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) {
+               struct diff_hpp_fmt *fmt = &d->fmt[col];
+
+               free(fmt->header);
+       }
+}
+
 static int __cmd_diff(void)
 {
        struct data__file *d;
@@ -613,6 +625,8 @@ static int __cmd_diff(void)
        data__for_each_file(i, d) {
                if (d->session)
                        perf_session__delete(d->session);
+
+               data__free(d);
        }
 
        free(data__files);
@@ -818,32 +832,6 @@ static int hpp__width(struct perf_hpp_fmt *fmt,
        return dfmt->header_width;
 }
 
-#define hpp__color_global hpp__entry_global
-
-#define FMT(_i, _entry, _color)                                        \
-       [_i] = {                                                \
-               .fmt = {                                        \
-                       .header = hpp__header,                  \
-                       .width  = hpp__width,                   \
-                       .entry  = hpp__entry_ ## _entry,        \
-                       .color  = hpp__color_ ## _color,        \
-               },                                              \
-               .idx = _i,                                      \
-       }
-
-#define FMT_GLOBAL(_i)  FMT(_i, global, global)
-#define FMT_BASELINE(_i) FMT(_i, global, baseline)
-
-static struct diff_hpp_fmt diff_fmt[] = {
-       FMT_BASELINE(PERF_HPP_DIFF__BASELINE),
-       FMT_GLOBAL(PERF_HPP_DIFF__PERIOD),
-       FMT_GLOBAL(PERF_HPP_DIFF__PERIOD_BASELINE),
-       FMT_GLOBAL(PERF_HPP_DIFF__DELTA),
-       FMT_GLOBAL(PERF_HPP_DIFF__RATIO),
-       FMT_GLOBAL(PERF_HPP_DIFF__WEIGHTED_DIFF),
-       FMT_GLOBAL(PERF_HPP_DIFF__FORMULA),
-};
-
 static void init_header(struct diff_hpp_fmt *dfmt)
 {
 #define MAX_HEADER_NAME 100
@@ -873,31 +861,56 @@ static void init_header(struct diff_hpp_fmt *dfmt)
 #undef NAME
 }
 
-static void column_enable(unsigned col)
+static void data__hpp_register(struct data__file *d, int idx)
 {
-       struct diff_hpp_fmt *dfmt;
+       struct diff_hpp_fmt *dfmt = &d->fmt[idx];
+       struct perf_hpp_fmt *fmt = &dfmt->fmt;
+
+       dfmt->idx = idx;
+
+       fmt->header = hpp__header;
+       fmt->width  = hpp__width;
+       fmt->entry  = hpp__entry_global;
+
+       /* TODO more colors */
+       if (idx == PERF_HPP_DIFF__BASELINE)
+               fmt->color = hpp__color_baseline;
 
-       BUG_ON(col >= PERF_HPP_DIFF__MAX_INDEX);
-       dfmt = &diff_fmt[col];
        init_header(dfmt);
-       perf_hpp__column_register(&dfmt->fmt);
+       perf_hpp__column_register(fmt);
 }
 
 static void ui_init(void)
 {
-       /*
-        * Display baseline/delta/ratio/
-        * formula/periods columns.
-        */
-       column_enable(PERF_HPP_DIFF__BASELINE);
-       column_enable(compute_2_hpp[compute]);
+       struct data__file *d;
+       int i;
+
+       data__for_each_file(i, d) {
+
+               /*
+                * Baseline or compute realted columns:
+                *
+                *   PERF_HPP_DIFF__BASELINE
+                *   PERF_HPP_DIFF__DELTA
+                *   PERF_HPP_DIFF__RATIO
+                *   PERF_HPP_DIFF__WEIGHTED_DIFF
+                */
+               data__hpp_register(d, i ? compute_2_hpp[compute] :
+                                         PERF_HPP_DIFF__BASELINE);
 
-       if (show_formula)
-               column_enable(PERF_HPP_DIFF__FORMULA);
+               /*
+                * And the rest:
+                *
+                * PERF_HPP_DIFF__FORMULA
+                * PERF_HPP_DIFF__PERIOD
+                * PERF_HPP_DIFF__PERIOD_BASELINE
+                */
+               if (show_formula && i)
+                       data__hpp_register(d, PERF_HPP_DIFF__FORMULA);
 
-       if (show_period) {
-               column_enable(PERF_HPP_DIFF__PERIOD);
-               column_enable(PERF_HPP_DIFF__PERIOD_BASELINE);
+               if (show_period)
+                       data__hpp_register(d, i ? PERF_HPP_DIFF__PERIOD :
+                                                 
PERF_HPP_DIFF__PERIOD_BASELINE);
        }
 }
 
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