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Date: Wed, 24 Mar 2010 15:02:33 -0300
From: Arnaldo Carvalho de Melo <acme@...radead.org>
To: Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Frédéric Weisbecker <fweisbec@...il.com>,
Mike Galbraith <efault@....de>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>
Subject: [PATCH 1/6] perf report: Add a popup menu to ask what operation is to be performed
From: Arnaldo Carvalho de Melo <acme@...hat.com>
Right now it presents a menu with these options:
+------------------------------+
| Annotate CURRENT_SYMBOL_NAME |
| Exit |
+------------------------------+
If the highlighted (current) symbol is not annotatable only the "Exit"
option will appear.
Also add a confirmation dialog when ESC is pressed on the top level to
avoid exiting the application by pressing one too many ESC key.
To get to the menu just press the -> (Right navigation key), to exit
just press ESC.
Cc: Frédéric Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/util/newt.c | 96 ++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 88 insertions(+), 8 deletions(-)
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 12b229b..a3465a0 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -28,6 +28,47 @@ static newtComponent newt_form__new(void)
return self;
}
+static int popup_menu(int argc, const char *argv[])
+{
+ struct newtExitStruct es;
+ int i, rc = -1, max_len = 5;
+ newtComponent listbox, form = newt_form__new();
+
+ if (form == NULL)
+ return -1;
+
+ listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
+ if (listbox == NULL)
+ goto out_destroy_form;
+
+ newtFormAddComponents(form, listbox, NULL);
+
+ for (i = 0; i < argc; ++i) {
+ int len = strlen(argv[i]);
+ if (len > max_len)
+ max_len = len;
+ if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
+ goto out_destroy_form;
+ }
+
+ newtCenteredWindow(max_len, argc, NULL);
+ newtFormRun(form, &es);
+ rc = newtListboxGetCurrent(listbox) - NULL;
+ if (es.reason == NEWT_EXIT_HOTKEY)
+ rc = -1;
+ newtPopWindow();
+out_destroy_form:
+ newtFormDestroy(form);
+ return rc;
+}
+
+static bool dialog_yesno(const char *msg)
+{
+ /* newtWinChoice should really be accepting const char pointers... */
+ char yes[] = "Yes", no[] = "No";
+ return newtWinChoice(NULL, no, yes, (char *)msg) == 2;
+}
+
/*
* When debugging newt problems it was useful to be able to "unroll"
* the calls to newtCheckBoxTreeAdd{Array,Item}, so that we can generate
@@ -309,6 +350,19 @@ out_free_str:
free(str);
}
+static const void *newt__symbol_tree_get_current(newtComponent self)
+{
+ if (symbol_conf.use_callchain)
+ return newtCheckboxTreeGetCurrent(self);
+ return newtListboxGetCurrent(self);
+}
+
+static void perf_session__selection(newtComponent self, void *data)
+{
+ const struct symbol **symbol_ptr = data;
+ *symbol_ptr = newt__symbol_tree_get_current(self);
+}
+
void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
const char *helpline)
{
@@ -322,6 +376,7 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
char str[1024];
newtComponent form, tree;
struct newtExitStruct es;
+ const struct symbol *selection;
snprintf(str, sizeof(str), "Samples: %Ld", session_total);
newtDrawRootText(0, 0, str);
@@ -336,6 +391,8 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
tree = newtListbox(0, 0, rows - 5, (NEWT_FLAG_SCROLL |
NEWT_FLAG_RETURNEXIT));
+ newtComponentAddCallback(tree, perf_session__selection, &selection);
+
list_for_each_entry(se, &hist_entry__sort_list, list) {
if (se->elide)
continue;
@@ -377,20 +434,43 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
form = newt_form__new();
newtFormAddHotKey(form, 'A');
newtFormAddHotKey(form, 'a');
+ newtFormAddHotKey(form, NEWT_KEY_RIGHT);
newtFormAddComponents(form, tree, NULL);
+ selection = newt__symbol_tree_get_current(tree);
while (1) {
- const struct symbol *selection;
+ char annotate[512];
+ const char *options[2];
+ int nr_options = 0, choice;
newtFormRun(form, &es);
- if (es.reason == NEWT_EXIT_HOTKEY &&
- toupper(es.u.key) != 'A')
+ if (es.reason == NEWT_EXIT_HOTKEY) {
+ if (toupper(es.u.key) == 'A') {
+ symbol__annotate_browser(selection);
+ continue;
+ }
+ if (es.u.key == NEWT_KEY_ESCAPE ||
+ toupper(es.u.key) == 'Q' ||
+ es.u.key == CTRL('c')) {
+ if (dialog_yesno("Do you really want to exit?"))
+ break;
+ else
+ continue;
+ }
+ }
+
+ if (selection != NULL) {
+ snprintf(annotate, sizeof(annotate),
+ "Annotate %s", selection->name);
+ options[nr_options++] = annotate;
+ }
+
+ options[nr_options++] = "Exit";
+ choice = popup_menu(nr_options, options);
+ if (choice == nr_options - 1)
break;
- if (!symbol_conf.use_callchain)
- selection = newtListboxGetCurrent(tree);
- else
- selection = newtCheckboxTreeGetCurrent(tree);
- symbol__annotate_browser(selection);
+ else if (selection != NULL && choice >= 0)
+ symbol__annotate_browser(selection);
}
newtFormDestroy(form);
--
1.6.2.5
--
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