perf hists: Use own hpp_list for hierarchy mode

Now each hists has its own hpp lists in hierarchy.  So instead of having
a pointer to a single perf_hpp_fmt in a hist entry, make it point the
hpp_list for its level.  This will be used to support multiple sort keys
in a single hierarchy level.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1457361308-514-3-git-send-email-namhyung@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

4 files changed, 66 insertions, 48 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 5ffffcb..928b482 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1388,25 +1388,26 @@ static int hist_browser__show_hierarchy_entry(struct hist_browser *browser,
 					      HE_COLORSET_NORMAL);
 		}
 
-		ui_browser__write_nstring(&browser->b, "", 2);
-		width -= 2;
+		perf_hpp_list__for_each_format(entry->hpp_list, fmt) {
+			ui_browser__write_nstring(&browser->b, "", 2);
+			width -= 2;
 
-		/*
-		 * No need to call hist_entry__snprintf_alignment()
-		 * since this fmt is always the last column in the
-		 * hierarchy mode.
-		 */
-		fmt = entry->fmt;
-		if (fmt->color) {
-			width -= fmt->color(fmt, &hpp, entry);
-		} else {
-			int i = 0;
+			/*
+			 * No need to call hist_entry__snprintf_alignment()
+			 * since this fmt is always the last column in the
+			 * hierarchy mode.
+			 */
+			if (fmt->color) {
+				width -= fmt->color(fmt, &hpp, entry);
+			} else {
+				int i = 0;
 
-			width -= fmt->entry(fmt, &hpp, entry);
-			ui_browser__printf(&browser->b, "%s", ltrim(s));
+				width -= fmt->entry(fmt, &hpp, entry);
+				ui_browser__printf(&browser->b, "%s", ltrim(s));
 
-			while (isspace(s[i++]))
-				width++;
+				while (isspace(s[i++]))
+					width++;
+			}
 		}
 	}
 
@@ -1934,7 +1935,7 @@ static int hist_browser__fprintf_hierarchy_entry(struct hist_browser *browser,
 	struct perf_hpp_fmt *fmt;
 	bool first = true;
 	int ret;
-	int hierarchy_indent = (nr_sort_keys + 1) * HIERARCHY_INDENT;
+	int hierarchy_indent = nr_sort_keys * HIERARCHY_INDENT;
 
 	printed = fprintf(fp, "%*s", level * HIERARCHY_INDENT, "");
 
@@ -1962,9 +1963,13 @@ static int hist_browser__fprintf_hierarchy_entry(struct hist_browser *browser,
 	ret = scnprintf(hpp.buf, hpp.size, "%*s", hierarchy_indent, "");
 	advance_hpp(&hpp, ret);
 
-	fmt = he->fmt;
-	ret = fmt->entry(fmt, &hpp, he);
-	advance_hpp(&hpp, ret);
+	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
+		ret = scnprintf(hpp.buf, hpp.size, "  ");
+		advance_hpp(&hpp, ret);
+
+		ret = fmt->entry(fmt, &hpp, he);
+		advance_hpp(&hpp, ret);
+	}
 
 	printed += fprintf(fp, "%s\n", rtrim(s));
 
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index a5758fd..4534e2d 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -412,6 +412,7 @@ static void perf_gtk__add_hierarchy_entries(struct hists *hists,
 	for (node = rb_first(root); node; node = rb_next(node)) {
 		GtkTreeIter iter;
 		float percent;
+		char *bf;
 
 		he = rb_entry(node, struct hist_entry, rb_node);
 		if (he->filtered)
@@ -437,13 +438,20 @@ static void perf_gtk__add_hierarchy_entries(struct hists *hists,
 			gtk_tree_store_set(store, &iter, col_idx++, hpp->buf, -1);
 		}
 
-		fmt = he->fmt;
-		if (fmt->color)
-			fmt->color(fmt, hpp, he);
-		else
-			fmt->entry(fmt, hpp, he);
+		bf = hpp->buf;
+		perf_hpp_list__for_each_format(he->hpp_list, fmt) {
+			int ret;
+
+			if (fmt->color)
+				ret = fmt->color(fmt, hpp, he);
+			else
+				ret = fmt->entry(fmt, hpp, he);
+
+			snprintf(hpp->buf + ret, hpp->size - ret, "  ");
+			advance_hpp(hpp, ret + 2);
+		}
 
-		gtk_tree_store_set(store, &iter, col_idx, rtrim(hpp->buf), -1);
+		gtk_tree_store_set(store, &iter, col_idx, rtrim(bf), -1);
 
 		if (!he->leaf) {
 			perf_gtk__add_hierarchy_entries(hists, &he->hroot_out,
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 3a15e84..95795ef 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -722,6 +722,7 @@ static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 	struct perf_hpp_list_node *node = NULL;
 	struct perf_hpp_fmt *fmt_copy;
 	bool found = false;
+	bool skip = perf_hpp__should_skip(fmt, hists);
 
 	list_for_each_entry(node, &hists->hpp_formats, list) {
 		if (node->level == fmt->level) {
@@ -735,6 +736,7 @@ static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 		if (node == NULL)
 			return -1;
 
+		node->skip = skip;
 		node->level = fmt->level;
 		perf_hpp_list__init(&node->hpp);
 
@@ -745,6 +747,9 @@ static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 	if (fmt_copy == NULL)
 		return -1;
 
+	if (!skip)
+		node->skip = false;
+
 	list_add_tail(&fmt_copy->list, &node->hpp.fields);
 	list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 6d06fbb..073642a 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -451,33 +451,33 @@ static int hist_entry__hierarchy_fprintf(struct hist_entry *he,
 		advance_hpp(hpp, ret);
 	}
 
-	if (sep)
-		ret = scnprintf(hpp->buf, hpp->size, "%s", sep);
-	else
+	if (!sep)
 		ret = scnprintf(hpp->buf, hpp->size, "%*s",
-				(nr_sort_key - 1) * HIERARCHY_INDENT + 2, "");
+				(nr_sort_key - 1) * HIERARCHY_INDENT, "");
 	advance_hpp(hpp, ret);
 
 	printed += fprintf(fp, "%s", buf);
 
-	hpp->buf  = buf;
-	hpp->size = size;
-
-	/*
-	 * No need to call hist_entry__snprintf_alignment() since this
-	 * fmt is always the last column in the hierarchy mode.
-	 */
-	fmt = he->fmt;
-	if (perf_hpp__use_color() && fmt->color)
-		fmt->color(fmt, hpp, he);
-	else
-		fmt->entry(fmt, hpp, he);
-
-	/*
-	 * dynamic entries are right-aligned but we want left-aligned
-	 * in the hierarchy mode
-	 */
-	printed += fprintf(fp, "%s\n", ltrim(buf));
+	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
+		hpp->buf  = buf;
+		hpp->size = size;
+
+		/*
+		 * No need to call hist_entry__snprintf_alignment() since this
+		 * fmt is always the last column in the hierarchy mode.
+		 */
+		if (perf_hpp__use_color() && fmt->color)
+			fmt->color(fmt, hpp, he);
+		else
+			fmt->entry(fmt, hpp, he);
+
+		/*
+		 * dynamic entries are right-aligned but we want left-aligned
+		 * in the hierarchy mode
+		 */
+		printed += fprintf(fp, "%s%s", sep ?: "  ", ltrim(buf));
+	}
+	printed += putc('\n', fp);
 
 	if (symbol_conf.use_callchain && he->leaf) {
 		u64 total = hists__total_period(hists);