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Date: Mon, 27 Apr 2015 14:20:36 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Jiri Olsa <jolsa@...hat.com>,
LKML <linux-kernel@...r.kernel.org>,
David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 10/10] perf tools: Move TUI-specific fields out of
map_symbol
Em Wed, Apr 22, 2015 at 04:18:21PM +0900, Namhyung Kim escreveu:
> @@ -139,24 +139,19 @@ static char tree__folded_sign(bool unfolded)
> return unfolded ? '-' : '+';
> }
>
> -static char map_symbol__folded(const struct map_symbol *ms)
> -{
> - return ms->has_children ? tree__folded_sign(ms->unfolded) : ' ';
> -}
> -
So what is wrong with renaming the above function to
hist_entry__folded() instead of open coding it multiple times? Applied
all the other patches, thanks,
- Arnaldo
> static char hist_entry__folded(const struct hist_entry *he)
> {
> - return map_symbol__folded(&he->ms);
> + return he->has_children ? tree__folded_sign(he->unfolded) : ' ';
> }
>
> static char callchain_list__folded(const struct callchain_list *cl)
> {
> - return map_symbol__folded(&cl->ms);
> + return cl->has_children ? tree__folded_sign(cl->unfolded) : ' ';
> }
>
> -static void map_symbol__set_folding(struct map_symbol *ms, bool unfold)
> +static void callchain_list__set_folding(struct callchain_list *cl, bool unfold)
> {
> - ms->unfolded = unfold ? ms->has_children : false;
> + cl->unfolded = unfold ? cl->has_children : false;
> }
>
> static int callchain_node__count_rows_rb_tree(struct callchain_node *node)
> @@ -192,7 +187,7 @@ static int callchain_node__count_rows(struct callchain_node *node)
>
> list_for_each_entry(chain, &node->val, list) {
> ++n;
> - unfolded = chain->ms.unfolded;
> + unfolded = chain->unfolded;
> }
>
> if (unfolded)
> @@ -214,15 +209,15 @@ static int callchain__count_rows(struct rb_root *chain)
> return n;
> }
>
> -static bool map_symbol__toggle_fold(struct map_symbol *ms)
> +static bool hist_entry__toggle_fold(struct hist_entry *he)
> {
> - if (!ms)
> + if (!he)
> return false;
>
> - if (!ms->has_children)
> + if (!he->has_children)
> return false;
>
> - ms->unfolded = !ms->unfolded;
> + he->unfolded = !he->unfolded;
> return true;
> }
>
> @@ -238,10 +233,10 @@ static void callchain_node__init_have_children_rb_tree(struct callchain_node *no
> list_for_each_entry(chain, &child->val, list) {
> if (first) {
> first = false;
> - chain->ms.has_children = chain->list.next != &child->val ||
> + chain->has_children = chain->list.next != &child->val ||
> !RB_EMPTY_ROOT(&child->rb_root);
> } else
> - chain->ms.has_children = chain->list.next == &child->val &&
> + chain->has_children = chain->list.next == &child->val &&
> !RB_EMPTY_ROOT(&child->rb_root);
> }
>
> @@ -255,11 +250,11 @@ static void callchain_node__init_have_children(struct callchain_node *node,
> struct callchain_list *chain;
>
> chain = list_entry(node->val.next, struct callchain_list, list);
> - chain->ms.has_children = has_sibling;
> + chain->has_children = has_sibling;
>
> if (!list_empty(&node->val)) {
> chain = list_entry(node->val.prev, struct callchain_list, list);
> - chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root);
> + chain->has_children = !RB_EMPTY_ROOT(&node->rb_root);
> }
>
> callchain_node__init_have_children_rb_tree(node);
> @@ -279,7 +274,7 @@ static void callchain__init_have_children(struct rb_root *root)
> static void hist_entry__init_have_children(struct hist_entry *he)
> {
> if (!he->init_have_children) {
> - he->ms.has_children = !RB_EMPTY_ROOT(&he->sorted_chain);
> + he->has_children = !RB_EMPTY_ROOT(&he->sorted_chain);
> callchain__init_have_children(&he->sorted_chain);
> he->init_have_children = true;
> }
> @@ -287,14 +282,14 @@ static void hist_entry__init_have_children(struct hist_entry *he)
>
> static bool hist_browser__toggle_fold(struct hist_browser *browser)
> {
> - if (map_symbol__toggle_fold(browser->selection)) {
> + if (hist_entry__toggle_fold(browser->he_selection)) {
> struct hist_entry *he = browser->he_selection;
>
> hist_entry__init_have_children(he);
> browser->b.nr_entries -= he->nr_rows;
> browser->nr_callchain_rows -= he->nr_rows;
>
> - if (he->ms.unfolded)
> + if (he->unfolded)
> he->nr_rows = callchain__count_rows(&he->sorted_chain);
> else
> he->nr_rows = 0;
> @@ -321,8 +316,8 @@ static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool
>
> list_for_each_entry(chain, &child->val, list) {
> ++n;
> - map_symbol__set_folding(&chain->ms, unfold);
> - has_children = chain->ms.has_children;
> + callchain_list__set_folding(chain, unfold);
> + has_children = chain->has_children;
> }
>
> if (has_children)
> @@ -340,8 +335,8 @@ static int callchain_node__set_folding(struct callchain_node *node, bool unfold)
>
> list_for_each_entry(chain, &node->val, list) {
> ++n;
> - map_symbol__set_folding(&chain->ms, unfold);
> - has_children = chain->ms.has_children;
> + callchain_list__set_folding(chain, unfold);
> + has_children = chain->has_children;
> }
>
> if (has_children)
> @@ -366,9 +361,9 @@ static int callchain__set_folding(struct rb_root *chain, bool unfold)
> static void hist_entry__set_folding(struct hist_entry *he, bool unfold)
> {
> hist_entry__init_have_children(he);
> - map_symbol__set_folding(&he->ms, unfold);
> + hist_entry__set_folding(he, unfold);
>
> - if (he->ms.has_children) {
> + if (he->has_children) {
> int n = callchain__set_folding(&he->sorted_chain, unfold);
> he->nr_rows = unfold ? n : 0;
> } else
> @@ -1019,7 +1014,7 @@ do_offset:
> if (offset > 0) {
> do {
> h = rb_entry(nd, struct hist_entry, rb_node);
> - if (h->ms.unfolded) {
> + if (h->unfolded) {
> u16 remaining = h->nr_rows - h->row_offset;
> if (offset > remaining) {
> offset -= remaining;
> @@ -1040,7 +1035,7 @@ do_offset:
> } else if (offset < 0) {
> while (1) {
> h = rb_entry(nd, struct hist_entry, rb_node);
> - if (h->ms.unfolded) {
> + if (h->unfolded) {
> if (first) {
> if (-offset > h->row_offset) {
> offset += h->row_offset;
> @@ -1077,7 +1072,7 @@ do_offset:
> * row_offset at its last entry.
> */
> h = rb_entry(nd, struct hist_entry, rb_node);
> - if (h->ms.unfolded)
> + if (h->unfolded)
> h->row_offset = h->nr_rows;
> break;
> }
> diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
> index 6033a0a212ca..679c2c6d8ade 100644
> --- a/tools/perf/util/callchain.h
> +++ b/tools/perf/util/callchain.h
> @@ -72,6 +72,10 @@ extern struct callchain_param callchain_param;
> struct callchain_list {
> u64 ip;
> struct map_symbol ms;
> + struct /* for TUI */ {
> + bool unfolded;
> + bool has_children;
> + };
> char *srcline;
> struct list_head list;
> };
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index cc22b9158b93..338770679863 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -1163,7 +1163,7 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
> return;
>
> /* force fold unfiltered entry for simplicity */
> - h->ms.unfolded = false;
> + h->unfolded = false;
> h->row_offset = 0;
> h->nr_rows = 0;
>
> diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
> index 4d923e6e0069..e97cd476d336 100644
> --- a/tools/perf/util/sort.h
> +++ b/tools/perf/util/sort.h
> @@ -109,6 +109,8 @@ struct hist_entry {
> u16 row_offset;
> u16 nr_rows;
> bool init_have_children;
> + bool unfolded;
> + bool has_children;
> };
> };
> char *srcline;
> diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
> index 09561500164a..8483a864a915 100644
> --- a/tools/perf/util/symbol.h
> +++ b/tools/perf/util/symbol.h
> @@ -158,8 +158,6 @@ struct ref_reloc_sym {
> struct map_symbol {
> struct map *map;
> struct symbol *sym;
> - bool unfolded;
> - bool has_children;
> };
>
> struct addr_map_symbol {
> --
> 2.3.5
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