Merge branch 'perf' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core

5 files changed, 116 insertions, 44 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 77bcc9b130f5..08278eda31a5 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -277,7 +277,7 @@ static void hist_entry__print_hits(struct hist_entry *self)
         printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
 }
 
-static void annotate_sym(struct hist_entry *he)
+static int hist_entry__tty_annotate(struct hist_entry *he)
 {
         struct map *map = he->ms.map;
         struct dso *dso = map->dso;
@@ -288,7 +288,7 @@ static void annotate_sym(struct hist_entry *he)
         struct objdump_line *pos, *n;
 
         if (hist_entry__annotate(he, &head) < 0)
-                return;
+                return -1;
 
         if (full_paths)
                 d_filename = filename;
@@ -317,30 +317,59 @@ static void annotate_sym(struct hist_entry *he)
 
         if (print_line)
                 free_source_line(he, len);
+
+        return 0;
 }
 
 static void hists__find_annotations(struct hists *self)
 {
-        struct rb_node *nd;
+        struct rb_node *first = rb_first(&self->entries), *nd = first;
+        int key = KEY_RIGHT;
 
-        for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+        while (nd) {
                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
                 struct sym_priv *priv;
 
-                if (he->ms.sym == NULL)
-                        continue;
+                if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
+                        goto find_next;
 
                 priv = symbol__priv(he->ms.sym);
-                if (priv->hist == NULL)
+                if (priv->hist == NULL) {
+find_next:
+                        if (key == KEY_LEFT)
+                                nd = rb_prev(nd);
+                        else
+                                nd = rb_next(nd);
                         continue;
+                }
 
-                annotate_sym(he);
-                /*
-                 * Since we have a hist_entry per IP for the same symbol, free
-                 * he->ms.sym->hist to signal we already processed this symbol.
-                 */
-                free(priv->hist);
-                priv->hist = NULL;
+                if (use_browser) {
+                        key = hist_entry__tui_annotate(he);
+                        if (is_exit_key(key))
+                                break;
+                        switch (key) {
+                        case KEY_RIGHT:
+                        case '\t':
+                                nd = rb_next(nd);
+                                break;
+                        case KEY_LEFT:
+                                if (nd == first)
+                                        continue;
+                                nd = rb_prev(nd);
+                        default:
+                                break;
+                        }
+                } else {
+                        hist_entry__tty_annotate(he);
+                        nd = rb_next(nd);
+                        /*
+                         * Since we have a hist_entry per IP for the same
+                         * symbol, free he->ms.sym->hist to signal we already
+                         * processed this symbol.
+                         */
+                        free(priv->hist);
+                        priv->hist = NULL;
+                }
         }
 }
 
@@ -416,6 +445,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 {
         argc = parse_options(argc, argv, options, annotate_usage, 0);
 
+        setup_browser();
+
         symbol_conf.priv_size = sizeof(struct sym_priv);
         symbol_conf.try_vmlinux_path = true;
 
@@ -435,8 +466,6 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
                 sym_hist_filter = argv[0];
         }
 
-        setup_pager();
-
         if (field_sep && *field_sep == '.') {
                 pr_err("'.' is the only non valid --field-separator argument\n");
                 return -1;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 009ad76b0879..682a6d88862c 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -992,14 +992,14 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
         char *filename = dso__build_id_filename(dso, NULL, 0);
         char command[PATH_MAX * 2];
         FILE *file;
-        int err = -1;
+        int err = 0;
         u64 len;
 
         if (filename == NULL) {
                 if (dso->has_build_id) {
                         pr_err("Can't annotate %s: not enough memory\n",
                                sym->name);
-                        return -1;
+                        return -ENOMEM;
                 }
                 /*
                  * If we don't have build-ids, well, lets hope that this
@@ -1009,14 +1009,12 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
         }
 
         if (dso->origin == DSO__ORIG_KERNEL) {
-                if (dso->annotate_warned) {
-                        err = 0;
+                if (dso->annotate_warned)
                         goto out_free_filename;
-                }
+                err = -ENOENT;
                 dso->annotate_warned = 1;
                 pr_err("Can't annotate %s: No vmlinux file was found in the "
-                       "path:\n", sym->name);
-                vmlinux_path__fprintf(stderr);
+                       "path\n", sym->name);
                 goto out_free_filename;
         }
 
@@ -1046,7 +1044,6 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
                         break;
 
         pclose(file);
-        err = 0;
 out_free_filename:
         if (dso->has_build_id)
                 free(filename);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 6f17dcd8412c..2d5203fedb20 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -102,8 +102,18 @@ static inline int hists__browse(struct hists *self __used,
 {
         return 0;
 }
+static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
+{
+        return 0;
+}
+#define KEY_LEFT -1
+#define KEY_RIGHT -2
 #else
+#include <newt.h>
 int hists__browse(struct hists *self, const char *helpline,
                   const char *input_name);
+int hist_entry__tui_annotate(struct hist_entry *self);
+#define KEY_LEFT NEWT_KEY_LEFT
+#define KEY_RIGHT NEWT_KEY_RIGHT
 #endif
 #endif  /* __PERF_HIST_H */
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 0b45658f7497..ffd04720b754 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -235,6 +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
@@ -386,6 +395,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
         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;
@@ -398,6 +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)
@@ -471,12 +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;
                 }
@@ -668,18 +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");
 
@@ -694,7 +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) {
@@ -702,6 +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)
@@ -914,6 +932,9 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
 
                         switch (toupper(es.u.key)) {
                         case 'A':
+                                if (browser->selection->map == NULL &&
+                                    browser->selection->map->dso->annotate_warned)
+                                        continue;
                                 goto do_annotate;
                         case 'D':
                                 goto zoom_dso;
@@ -932,14 +953,14 @@ 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(es.u.key)) {
+                                if (es.u.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) {
@@ -957,6 +978,7 @@ 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++;
@@ -991,6 +1013,7 @@ 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");
@@ -1001,7 +1024,7 @@ 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) {
@@ -1069,7 +1092,7 @@ void setup_browser(void)
 {
         struct newtPercentTreeColors *c = &defaultPercentTreeColors;
 
-        if (!isatty(1) || !use_browser) {
+        if (!isatty(1) || !use_browser || dump_trace) {
                 setup_pager();
                 return;
         }
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 45b9655f3a5c..4e8b6b0c551c 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -81,7 +81,7 @@
 #include <inttypes.h>
 #include "../../../include/linux/magic.h"
 #include "types.h"
-
+#include <sys/ttydefaults.h>
 
 #ifndef NO_ICONV
 #include <iconv.h>
@@ -263,6 +263,19 @@ bool strglobmatch(const char *str, const char *pat);
 bool strlazymatch(const char *str, const char *pat);
 unsigned long convert_unit(unsigned long value, char *unit);
 
+#ifndef ESC
+#define ESC 27
+#endif
+
+static inline bool is_exit_key(int key)
+{
+        char up;
+        if (key == CTRL('c') || key == ESC)
+                return true;
+        up = toupper(key);
+        return up == 'Q';
+}
+
 #define _STR(x) #x
 #define STR(x) _STR(x)