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perf ui/gtk: Support folded callchains

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The folded callchain mode is to print all chains in a single line.
Currently perf report --gtk doesn't support folded callchains.  Like
flat callchains, only leaf nodes are added to the final rbtree so it
should show entries in parent nodes.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1447047946-1691-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2015-11-09 14:45:46 +09:00 committed by Arnaldo Carvalho de Melo
parent 3cd99dfd1c
commit 2c6caff2b2
1 changed files with 62 additions and 0 deletions
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62
tools/perf/ui/gtk/hists.c
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@ -152,6 +152,66 @@ static void perf_gtk__add_callchain_flat(struct rb_root *root, GtkTreeStore *sto
}
}
static void perf_gtk__add_callchain_folded(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
struct rb_node *nd;
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
struct callchain_node *node;
struct callchain_list *chain;
GtkTreeIter iter;
char buf[64];
char *str, *str_alloc = NULL;
bool first = true;
node = rb_entry(nd, struct callchain_node, rb_node);
callchain_node__make_parent_list(node);
list_for_each_entry(chain, &node->parent_val, list) {
char name[1024];
callchain_list__sym_name(chain, name, sizeof(name), false);
if (asprintf(&str, "%s%s%s",
first ? "" : str_alloc,
first ? "" : symbol_conf.field_sep ?: "; ",
name) < 0)
return;
first = false;
free(str_alloc);
str_alloc = str;
}
list_for_each_entry(chain, &node->val, list) {
char name[1024];
callchain_list__sym_name(chain, name, sizeof(name), false);
if (asprintf(&str, "%s%s%s",
first ? "" : str_alloc,
first ? "" : symbol_conf.field_sep ?: "; ",
name) < 0)
return;
first = false;
free(str_alloc);
str_alloc = str;
}
gtk_tree_store_append(store, &iter, parent);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
gtk_tree_store_set(store, &iter, col, str, -1);
free(str_alloc);
}
}
static void perf_gtk__add_callchain_graph(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
@ -207,6 +267,8 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
{
if (callchain_param.mode == CHAIN_FLAT)
perf_gtk__add_callchain_flat(root, store, parent, col, total);
else if (callchain_param.mode == CHAIN_FOLDED)
perf_gtk__add_callchain_folded(root, store, parent, col, total);
else
perf_gtk__add_callchain_graph(root, store, parent, col, total);
}