Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[pandora-kernel.git] / tools / perf / util / newt.c
index ccb7c5b..d54c540 100644 (file)
@@ -1,7 +1,15 @@
 #define _GNU_SOURCE
 #include <stdio.h>
 #undef _GNU_SOURCE
-
+/*
+ * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
+ * the build if it isn't defined. Use the equivalent one that glibc
+ * has on features.h.
+ */
+#include <features.h>
+#ifndef HAVE_LONG_LONG
+#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
+#endif
 #include <slang.h>
 #include <stdlib.h>
 #include <newt.h>
@@ -227,6 +235,15 @@ static bool dialog_yesno(const char *msg)
        return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
 }
 
+static void ui__error_window(const char *fmt, ...)
+{
+       va_list ap;
+
+       va_start(ap, fmt);
+       newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
+       va_end(ap);
+}
+
 #define HE_COLORSET_TOP                50
 #define HE_COLORSET_MEDIUM     51
 #define HE_COLORSET_NORMAL     52
@@ -375,8 +392,11 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
        newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
        newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
        newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
+       newtFormAddHotKey(self->form, ' ');
        newtFormAddHotKey(self->form, NEWT_KEY_HOME);
        newtFormAddHotKey(self->form, NEWT_KEY_END);
+       newtFormAddHotKey(self->form, NEWT_KEY_TAB);
+       newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
 
        if (ui_browser__refresh_entries(self) < 0)
                return -1;
@@ -389,6 +409,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 
                if (es->reason != NEWT_EXIT_HOTKEY)
                        break;
+               if (is_exit_key(es->u.key))
+                       return es->u.key;
                switch (es->u.key) {
                case NEWT_KEY_DOWN:
                        if (self->index == self->nr_entries - 1)
@@ -411,6 +433,7 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
                        }
                        break;
                case NEWT_KEY_PGDN:
+               case ' ':
                        if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
                                break;
 
@@ -461,12 +484,10 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
                        }
                }
                        break;
-               case NEWT_KEY_ESCAPE:
+               case NEWT_KEY_RIGHT:
                case NEWT_KEY_LEFT:
-               case CTRL('c'):
-               case 'Q':
-               case 'q':
-                       return 0;
+               case NEWT_KEY_TAB:
+                       return es->u.key;
                default:
                        continue;
                }
@@ -658,18 +679,24 @@ static size_t hist_entry__append_browser(struct hist_entry *self,
        return ret;
 }
 
-static void hist_entry__annotate_browser(struct hist_entry *self)
+int hist_entry__tui_annotate(struct hist_entry *self)
 {
        struct ui_browser browser;
        struct newtExitStruct es;
        struct objdump_line *pos, *n;
        LIST_HEAD(head);
+       int ret;
 
        if (self->ms.sym == NULL)
-               return;
+               return -1;
 
-       if (hist_entry__annotate(self, &head) < 0)
-               return;
+       if (self->ms.map->dso->annotate_warned)
+               return -1;
+
+       if (hist_entry__annotate(self, &head) < 0) {
+               ui__error_window(browser__last_msg);
+               return -1;
+       }
 
        ui_helpline__push("Press <- or ESC to exit");
 
@@ -684,7 +711,7 @@ static void hist_entry__annotate_browser(struct hist_entry *self)
        }
 
        browser.width += 18; /* Percentage */
-       ui_browser__run(&browser, self->ms.sym->name, &es);
+       ret = ui_browser__run(&browser, self->ms.sym->name, &es);
        newtFormDestroy(browser.form);
        newtPopWindow();
        list_for_each_entry_safe(pos, n, &head, node) {
@@ -692,6 +719,7 @@ static void hist_entry__annotate_browser(struct hist_entry *self)
                objdump_line__free(pos);
        }
        ui_helpline__pop();
+       return ret;
 }
 
 static const void *newt__symbol_tree_get_current(newtComponent self)
@@ -814,6 +842,8 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
        newtFormAddHotKey(self->form, 'h');
        newtFormAddHotKey(self->form, NEWT_KEY_F1);
        newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
+       newtFormAddHotKey(self->form, NEWT_KEY_TAB);
+       newtFormAddHotKey(self->form, NEWT_KEY_UNTAB);
        newtFormAddComponents(self->form, self->tree, NULL);
        self->selection = newt__symbol_tree_get_current(self->tree);
 
@@ -845,7 +875,7 @@ static struct thread *hist_browser__selected_thread(struct hist_browser *self)
        return he ? he->thread : NULL;
 }
 
-static int hist_browser__title(char *bf, size_t size, const char *input_name,
+static int hist_browser__title(char *bf, size_t size, const char *ev_name,
                               const struct dso *dso, const struct thread *thread)
 {
        int printed = 0;
@@ -859,18 +889,18 @@ static int hist_browser__title(char *bf, size_t size, const char *input_name,
                printed += snprintf(bf + printed, size - printed,
                                    "%sDSO: %s", thread ? " " : "",
                                    dso->short_name);
-       return printed ?: snprintf(bf, size, "Report: %s", input_name);
+       return printed ?: snprintf(bf, size, "Event: %s", ev_name);
 }
 
-int hists__browse(struct hists *self, const char *helpline, const char *input_name)
+int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
 {
        struct hist_browser *browser = hist_browser__new();
-       struct pstack *fstack = pstack__new(2);
+       struct pstack *fstack;
        const struct thread *thread_filter = NULL;
        const struct dso *dso_filter = NULL;
        struct newtExitStruct es;
        char msg[160];
-       int err = -1;
+       int key = -1;
 
        if (browser == NULL)
                return -1;
@@ -881,7 +911,7 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
 
        ui_helpline__push(helpline);
 
-       hist_browser__title(msg, sizeof(msg), input_name,
+       hist_browser__title(msg, sizeof(msg), ev_name,
                            dso_filter, thread_filter);
        if (hist_browser__populate(browser, self, msg) < 0)
                goto out_free_stack;
@@ -899,11 +929,27 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
                dso = browser->selection->map ? browser->selection->map->dso : NULL;
 
                if (es.reason == NEWT_EXIT_HOTKEY) {
-                       if (es.u.key == NEWT_KEY_F1)
+                       key = es.u.key;
+
+                       switch (key) {
+                       case NEWT_KEY_F1:
                                goto do_help;
+                       case NEWT_KEY_TAB:
+                       case NEWT_KEY_UNTAB:
+                               /*
+                                * Exit the browser, let hists__browser_tree
+                                * go to the next or previous
+                                */
+                               goto out_free_stack;
+                       default:;
+                       }
 
-                       switch (toupper(es.u.key)) {
+                       key = toupper(key);
+                       switch (key) {
                        case 'A':
+                               if (browser->selection->map == NULL &&
+                                   browser->selection->map->dso->annotate_warned)
+                                       continue;
                                goto do_annotate;
                        case 'D':
                                goto zoom_dso;
@@ -922,14 +968,14 @@ do_help:
                                continue;
                        default:;
                        }
-                       if (toupper(es.u.key) == 'Q' ||
-                           es.u.key == CTRL('c'))
-                               break;
-                       if (es.u.key == NEWT_KEY_ESCAPE) {
-                               if (dialog_yesno("Do you really want to exit?"))
+                       if (is_exit_key(key)) {
+                               if (key == NEWT_KEY_ESCAPE) {
+                                       if (dialog_yesno("Do you really want to exit?"))
+                                               break;
+                                       else
+                                               continue;
+                               } else
                                        break;
-                               else
-                                       continue;
                        }
 
                        if (es.u.key == NEWT_KEY_LEFT) {
@@ -947,6 +993,7 @@ do_help:
                }
 
                if (browser->selection->sym != NULL &&
+                   !browser->selection->map->dso->annotate_warned &&
                    asprintf(&options[nr_options], "Annotate %s",
                             browser->selection->sym->name) > 0)
                        annotate = nr_options++;
@@ -981,6 +1028,7 @@ do_help:
                        struct hist_entry *he;
 do_annotate:
                        if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
+                               browser->selection->map->dso->annotate_warned = 1;
                                ui_helpline__puts("No vmlinux file found, can't "
                                                 "annotate with just a "
                                                 "kallsyms file");
@@ -991,7 +1039,7 @@ do_annotate:
                        if (he == NULL)
                                continue;
 
-                       hist_entry__annotate_browser(he);
+                       hist_entry__tui_annotate(he);
                } else if (choice == zoom_dso) {
 zoom_dso:
                        if (dso_filter) {
@@ -1008,7 +1056,7 @@ zoom_out_dso:
                                pstack__push(fstack, &dso_filter);
                        }
                        hists__filter_by_dso(self, dso_filter);
-                       hist_browser__title(msg, sizeof(msg), input_name,
+                       hist_browser__title(msg, sizeof(msg), ev_name,
                                            dso_filter, thread_filter);
                        if (hist_browser__populate(browser, self, msg) < 0)
                                goto out;
@@ -1027,18 +1075,49 @@ zoom_out_thread:
                                pstack__push(fstack, &thread_filter);
                        }
                        hists__filter_by_thread(self, thread_filter);
-                       hist_browser__title(msg, sizeof(msg), input_name,
+                       hist_browser__title(msg, sizeof(msg), ev_name,
                                            dso_filter, thread_filter);
                        if (hist_browser__populate(browser, self, msg) < 0)
                                goto out;
                }
        }
-       err = 0;
 out_free_stack:
        pstack__delete(fstack);
 out:
        hist_browser__delete(browser);
-       return err;
+       return key;
+}
+
+int hists__tui_browse_tree(struct rb_root *self, const char *help)
+{
+       struct rb_node *first = rb_first(self), *nd = first, *next;
+       int key = 0;
+
+       while (nd) {
+               struct hists *hists = rb_entry(nd, struct hists, rb_node);
+               const char *ev_name = __event_name(hists->type, hists->config);
+
+               key = hists__browse(hists, help, ev_name);
+
+               if (is_exit_key(key))
+                       break;
+
+               switch (key) {
+               case NEWT_KEY_TAB:
+                       next = rb_next(nd);
+                       if (next)
+                               nd = next;
+                       break;
+               case NEWT_KEY_UNTAB:
+                       if (nd == first)
+                               continue;
+                       nd = rb_prev(nd);
+               default:
+                       break;
+               }
+       }
+
+       return key;
 }
 
 static struct newtPercentTreeColors {
@@ -1058,10 +1137,13 @@ static struct newtPercentTreeColors {
 void setup_browser(void)
 {
        struct newtPercentTreeColors *c = &defaultPercentTreeColors;
-       if (!isatty(1))
+
+       if (!isatty(1) || !use_browser || dump_trace) {
+               setup_pager();
                return;
+       }
 
-       use_browser = true;
+       use_browser = 1;
        newtInit();
        newtCls();
        ui_helpline__puts(" ");
@@ -1074,7 +1156,7 @@ void setup_browser(void)
 
 void exit_browser(bool wait_for_ok)
 {
-       if (use_browser) {
+       if (use_browser > 0) {
                if (wait_for_ok) {
                        char title[] = "Fatal Error", ok[] = "Ok";
                        newtWinMessage(title, ok, browser__last_msg);