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-rw-r--r--tools/perf/util/newt.c1084
1 files changed, 1084 insertions, 0 deletions
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
new file mode 100644
index 000000000000..ccb7c5bb269e
--- /dev/null
+++ b/tools/perf/util/newt.c
@@ -0,0 +1,1084 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#undef _GNU_SOURCE
+
+#include <slang.h>
+#include <stdlib.h>
+#include <newt.h>
+#include <sys/ttydefaults.h>
+
+#include "cache.h"
+#include "hist.h"
+#include "pstack.h"
+#include "session.h"
+#include "sort.h"
+#include "symbol.h"
+
+#if SLANG_VERSION < 20104
+#define slsmg_printf(msg, args...) SLsmg_printf((char *)msg, ##args)
+#define slsmg_write_nstring(msg, len) SLsmg_write_nstring((char *)msg, len)
+#define sltt_set_color(obj, name, fg, bg) SLtt_set_color(obj,(char *)name,\
+ (char *)fg, (char *)bg)
+#else
+#define slsmg_printf SLsmg_printf
+#define slsmg_write_nstring SLsmg_write_nstring
+#define sltt_set_color SLtt_set_color
+#endif
+
+struct ui_progress {
+ newtComponent form, scale;
+};
+
+struct ui_progress *ui_progress__new(const char *title, u64 total)
+{
+ struct ui_progress *self = malloc(sizeof(*self));
+
+ if (self != NULL) {
+ int cols;
+ newtGetScreenSize(&cols, NULL);
+ cols -= 4;
+ newtCenteredWindow(cols, 1, title);
+ self->form = newtForm(NULL, NULL, 0);
+ if (self->form == NULL)
+ goto out_free_self;
+ self->scale = newtScale(0, 0, cols, total);
+ if (self->scale == NULL)
+ goto out_free_form;
+ newtFormAddComponent(self->form, self->scale);
+ newtRefresh();
+ }
+
+ return self;
+
+out_free_form:
+ newtFormDestroy(self->form);
+out_free_self:
+ free(self);
+ return NULL;
+}
+
+void ui_progress__update(struct ui_progress *self, u64 curr)
+{
+ newtScaleSet(self->scale, curr);
+ newtRefresh();
+}
+
+void ui_progress__delete(struct ui_progress *self)
+{
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ free(self);
+}
+
+static void ui_helpline__pop(void)
+{
+ newtPopHelpLine();
+}
+
+static void ui_helpline__push(const char *msg)
+{
+ newtPushHelpLine(msg);
+}
+
+static void ui_helpline__vpush(const char *fmt, va_list ap)
+{
+ char *s;
+
+ if (vasprintf(&s, fmt, ap) < 0)
+ vfprintf(stderr, fmt, ap);
+ else {
+ ui_helpline__push(s);
+ free(s);
+ }
+}
+
+static void ui_helpline__fpush(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ ui_helpline__vpush(fmt, ap);
+ va_end(ap);
+}
+
+static void ui_helpline__puts(const char *msg)
+{
+ ui_helpline__pop();
+ ui_helpline__push(msg);
+}
+
+static char browser__last_msg[1024];
+
+int browser__show_help(const char *format, va_list ap)
+{
+ int ret;
+ static int backlog;
+
+ ret = vsnprintf(browser__last_msg + backlog,
+ sizeof(browser__last_msg) - backlog, format, ap);
+ backlog += ret;
+
+ if (browser__last_msg[backlog - 1] == '\n') {
+ ui_helpline__puts(browser__last_msg);
+ newtRefresh();
+ backlog = 0;
+ }
+
+ return ret;
+}
+
+static void newt_form__set_exit_keys(newtComponent self)
+{
+ newtFormAddHotKey(self, NEWT_KEY_LEFT);
+ newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
+ newtFormAddHotKey(self, 'Q');
+ newtFormAddHotKey(self, 'q');
+ newtFormAddHotKey(self, CTRL('c'));
+}
+
+static newtComponent newt_form__new(void)
+{
+ newtComponent self = newtForm(NULL, NULL, 0);
+ if (self)
+ newt_form__set_exit_keys(self);
+ return self;
+}
+
+static int popup_menu(int argc, char * const 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;
+
+ newtFormAddComponent(form, listbox);
+
+ 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 int ui__help_window(const char *text)
+{
+ struct newtExitStruct es;
+ newtComponent tb, form = newt_form__new();
+ int rc = -1;
+ int max_len = 0, nr_lines = 0;
+ const char *t;
+
+ if (form == NULL)
+ return -1;
+
+ t = text;
+ while (1) {
+ const char *sep = strchr(t, '\n');
+ int len;
+
+ if (sep == NULL)
+ sep = strchr(t, '\0');
+ len = sep - t;
+ if (max_len < len)
+ max_len = len;
+ ++nr_lines;
+ if (*sep == '\0')
+ break;
+ t = sep + 1;
+ }
+
+ tb = newtTextbox(0, 0, max_len, nr_lines, 0);
+ if (tb == NULL)
+ goto out_destroy_form;
+
+ newtTextboxSetText(tb, text);
+ newtFormAddComponent(form, tb);
+ newtCenteredWindow(max_len, nr_lines, NULL);
+ newtFormRun(form, &es);
+ newtPopWindow();
+ rc = 0;
+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, yes, no, (char *)msg) == 1;
+}
+
+#define HE_COLORSET_TOP 50
+#define HE_COLORSET_MEDIUM 51
+#define HE_COLORSET_NORMAL 52
+#define HE_COLORSET_SELECTED 53
+#define HE_COLORSET_CODE 54
+
+static int ui_browser__percent_color(double percent, bool current)
+{
+ if (current)
+ return HE_COLORSET_SELECTED;
+ if (percent >= MIN_RED)
+ return HE_COLORSET_TOP;
+ if (percent >= MIN_GREEN)
+ return HE_COLORSET_MEDIUM;
+ return HE_COLORSET_NORMAL;
+}
+
+struct ui_browser {
+ newtComponent form, sb;
+ u64 index, first_visible_entry_idx;
+ void *first_visible_entry, *entries;
+ u16 top, left, width, height;
+ void *priv;
+ u32 nr_entries;
+};
+
+static void ui_browser__refresh_dimensions(struct ui_browser *self)
+{
+ int cols, rows;
+ newtGetScreenSize(&cols, &rows);
+
+ if (self->width > cols - 4)
+ self->width = cols - 4;
+ self->height = rows - 5;
+ if (self->height > self->nr_entries)
+ self->height = self->nr_entries;
+ self->top = (rows - self->height) / 2;
+ self->left = (cols - self->width) / 2;
+}
+
+static void ui_browser__reset_index(struct ui_browser *self)
+{
+ self->index = self->first_visible_entry_idx = 0;
+ self->first_visible_entry = NULL;
+}
+
+static int objdump_line__show(struct objdump_line *self, struct list_head *head,
+ int width, struct hist_entry *he, int len,
+ bool current_entry)
+{
+ if (self->offset != -1) {
+ struct symbol *sym = he->ms.sym;
+ unsigned int hits = 0;
+ double percent = 0.0;
+ int color;
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_ext *sym_ext = priv->ext;
+ struct sym_hist *h = priv->hist;
+ s64 offset = self->offset;
+ struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+ while (offset < (s64)len &&
+ (next == NULL || offset < next->offset)) {
+ if (sym_ext) {
+ percent += sym_ext[offset].percent;
+ } else
+ hits += h->ip[offset];
+
+ ++offset;
+ }
+
+ if (sym_ext == NULL && h->sum)
+ percent = 100.0 * hits / h->sum;
+
+ color = ui_browser__percent_color(percent, current_entry);
+ SLsmg_set_color(color);
+ slsmg_printf(" %7.2f ", percent);
+ if (!current_entry)
+ SLsmg_set_color(HE_COLORSET_CODE);
+ } else {
+ int color = ui_browser__percent_color(0, current_entry);
+ SLsmg_set_color(color);
+ slsmg_write_nstring(" ", 9);
+ }
+
+ SLsmg_write_char(':');
+ slsmg_write_nstring(" ", 8);
+ if (!*self->line)
+ slsmg_write_nstring(" ", width - 18);
+ else
+ slsmg_write_nstring(self->line, width - 18);
+
+ return 0;
+}
+
+static int ui_browser__refresh_entries(struct ui_browser *self)
+{
+ struct objdump_line *pos;
+ struct list_head *head = self->entries;
+ struct hist_entry *he = self->priv;
+ int row = 0;
+ int len = he->ms.sym->end - he->ms.sym->start;
+
+ if (self->first_visible_entry == NULL || self->first_visible_entry == self->entries)
+ self->first_visible_entry = head->next;
+
+ pos = list_entry(self->first_visible_entry, struct objdump_line, node);
+
+ list_for_each_entry_from(pos, head, node) {
+ bool current_entry = (self->first_visible_entry_idx + row) == self->index;
+ SLsmg_gotorc(self->top + row, self->left);
+ objdump_line__show(pos, head, self->width,
+ he, len, current_entry);
+ if (++row == self->height)
+ break;
+ }
+
+ SLsmg_set_color(HE_COLORSET_NORMAL);
+ SLsmg_fill_region(self->top + row, self->left,
+ self->height - row, self->width, ' ');
+
+ return 0;
+}
+
+static int ui_browser__run(struct ui_browser *self, const char *title,
+ struct newtExitStruct *es)
+{
+ if (self->form) {
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ }
+
+ ui_browser__refresh_dimensions(self);
+ newtCenteredWindow(self->width + 2, self->height, title);
+ self->form = newt_form__new();
+ if (self->form == NULL)
+ return -1;
+
+ self->sb = newtVerticalScrollbar(self->width + 1, 0, self->height,
+ HE_COLORSET_NORMAL,
+ HE_COLORSET_SELECTED);
+ if (self->sb == NULL)
+ return -1;
+
+ newtFormAddHotKey(self->form, NEWT_KEY_UP);
+ newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
+ newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
+ newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
+ newtFormAddHotKey(self->form, NEWT_KEY_HOME);
+ newtFormAddHotKey(self->form, NEWT_KEY_END);
+
+ if (ui_browser__refresh_entries(self) < 0)
+ return -1;
+ newtFormAddComponent(self->form, self->sb);
+
+ while (1) {
+ unsigned int offset;
+
+ newtFormRun(self->form, es);
+
+ if (es->reason != NEWT_EXIT_HOTKEY)
+ break;
+ switch (es->u.key) {
+ case NEWT_KEY_DOWN:
+ if (self->index == self->nr_entries - 1)
+ break;
+ ++self->index;
+ if (self->index == self->first_visible_entry_idx + self->height) {
+ struct list_head *pos = self->first_visible_entry;
+ ++self->first_visible_entry_idx;
+ self->first_visible_entry = pos->next;
+ }
+ break;
+ case NEWT_KEY_UP:
+ if (self->index == 0)
+ break;
+ --self->index;
+ if (self->index < self->first_visible_entry_idx) {
+ struct list_head *pos = self->first_visible_entry;
+ --self->first_visible_entry_idx;
+ self->first_visible_entry = pos->prev;
+ }
+ break;
+ case NEWT_KEY_PGDN:
+ if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
+ break;
+
+ offset = self->height;
+ if (self->index + offset > self->nr_entries - 1)
+ offset = self->nr_entries - 1 - self->index;
+ self->index += offset;
+ self->first_visible_entry_idx += offset;
+
+ while (offset--) {
+ struct list_head *pos = self->first_visible_entry;
+ self->first_visible_entry = pos->next;
+ }
+
+ break;
+ case NEWT_KEY_PGUP:
+ if (self->first_visible_entry_idx == 0)
+ break;
+
+ if (self->first_visible_entry_idx < self->height)
+ offset = self->first_visible_entry_idx;
+ else
+ offset = self->height;
+
+ self->index -= offset;
+ self->first_visible_entry_idx -= offset;
+
+ while (offset--) {
+ struct list_head *pos = self->first_visible_entry;
+ self->first_visible_entry = pos->prev;
+ }
+ break;
+ case NEWT_KEY_HOME:
+ ui_browser__reset_index(self);
+ break;
+ case NEWT_KEY_END: {
+ struct list_head *head = self->entries;
+ offset = self->height - 1;
+
+ if (offset > self->nr_entries)
+ offset = self->nr_entries;
+
+ self->index = self->first_visible_entry_idx = self->nr_entries - 1 - offset;
+ self->first_visible_entry = head->prev;
+ while (offset-- != 0) {
+ struct list_head *pos = self->first_visible_entry;
+ self->first_visible_entry = pos->prev;
+ }
+ }
+ break;
+ case NEWT_KEY_ESCAPE:
+ case NEWT_KEY_LEFT:
+ case CTRL('c'):
+ case 'Q':
+ case 'q':
+ return 0;
+ default:
+ continue;
+ }
+ if (ui_browser__refresh_entries(self) < 0)
+ return -1;
+ }
+ return 0;
+}
+
+/*
+ * When debugging newt problems it was useful to be able to "unroll"
+ * the calls to newtCheckBoxTreeAdd{Array,Item}, so that we can generate
+ * a source file with the sequence of calls to these methods, to then
+ * tweak the arrays to get the intended results, so I'm keeping this code
+ * here, may be useful again in the future.
+ */
+#undef NEWT_DEBUG
+
+static void newt_checkbox_tree__add(newtComponent tree, const char *str,
+ void *priv, int *indexes)
+{
+#ifdef NEWT_DEBUG
+ /* Print the newtCheckboxTreeAddArray to tinker with its index arrays */
+ int i = 0, len = 40 - strlen(str);
+
+ fprintf(stderr,
+ "\tnewtCheckboxTreeAddItem(tree, %*.*s\"%s\", (void *)%p, 0, ",
+ len, len, " ", str, priv);
+ while (indexes[i] != NEWT_ARG_LAST) {
+ if (indexes[i] != NEWT_ARG_APPEND)
+ fprintf(stderr, " %d,", indexes[i]);
+ else
+ fprintf(stderr, " %s,", "NEWT_ARG_APPEND");
+ ++i;
+ }
+ fprintf(stderr, " %s", " NEWT_ARG_LAST);\n");
+ fflush(stderr);
+#endif
+ newtCheckboxTreeAddArray(tree, str, priv, 0, indexes);
+}
+
+static char *callchain_list__sym_name(struct callchain_list *self,
+ char *bf, size_t bfsize)
+{
+ if (self->ms.sym)
+ return self->ms.sym->name;
+
+ snprintf(bf, bfsize, "%#Lx", self->ip);
+ return bf;
+}
+
+static void __callchain__append_graph_browser(struct callchain_node *self,
+ newtComponent tree, u64 total,
+ int *indexes, int depth)
+{
+ struct rb_node *node;
+ u64 new_total, remaining;
+ int idx = 0;
+
+ if (callchain_param.mode == CHAIN_GRAPH_REL)
+ new_total = self->children_hit;
+ else
+ new_total = total;
+
+ remaining = new_total;
+ node = rb_first(&self->rb_root);
+ while (node) {
+ struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
+ struct rb_node *next = rb_next(node);
+ u64 cumul = cumul_hits(child);
+ struct callchain_list *chain;
+ int first = true, printed = 0;
+ int chain_idx = -1;
+ remaining -= cumul;
+
+ indexes[depth] = NEWT_ARG_APPEND;
+ indexes[depth + 1] = NEWT_ARG_LAST;
+
+ list_for_each_entry(chain, &child->val, list) {
+ char ipstr[BITS_PER_LONG / 4 + 1],
+ *alloc_str = NULL;
+ const char *str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
+
+ if (first) {
+ double percent = cumul * 100.0 / new_total;
+
+ first = false;
+ if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0)
+ str = "Not enough memory!";
+ else
+ str = alloc_str;
+ } else {
+ indexes[depth] = idx;
+ indexes[depth + 1] = NEWT_ARG_APPEND;
+ indexes[depth + 2] = NEWT_ARG_LAST;
+ ++chain_idx;
+ }
+ newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
+ free(alloc_str);
+ ++printed;
+ }
+
+ indexes[depth] = idx;
+ if (chain_idx != -1)
+ indexes[depth + 1] = chain_idx;
+ if (printed != 0)
+ ++idx;
+ __callchain__append_graph_browser(child, tree, new_total, indexes,
+ depth + (chain_idx != -1 ? 2 : 1));
+ node = next;
+ }
+}
+
+static void callchain__append_graph_browser(struct callchain_node *self,
+ newtComponent tree, u64 total,
+ int *indexes, int parent_idx)
+{
+ struct callchain_list *chain;
+ int i = 0;
+
+ indexes[1] = NEWT_ARG_APPEND;
+ indexes[2] = NEWT_ARG_LAST;
+
+ list_for_each_entry(chain, &self->val, list) {
+ char ipstr[BITS_PER_LONG / 4 + 1], *str;
+
+ if (chain->ip >= PERF_CONTEXT_MAX)
+ continue;
+
+ if (!i++ && sort__first_dimension == SORT_SYM)
+ continue;
+
+ str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
+ newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
+ }
+
+ indexes[1] = parent_idx;
+ indexes[2] = NEWT_ARG_APPEND;
+ indexes[3] = NEWT_ARG_LAST;
+ __callchain__append_graph_browser(self, tree, total, indexes, 2);
+}
+
+static void hist_entry__append_callchain_browser(struct hist_entry *self,
+ newtComponent tree, u64 total, int parent_idx)
+{
+ struct rb_node *rb_node;
+ int indexes[1024] = { [0] = parent_idx, };
+ int idx = 0;
+ struct callchain_node *chain;
+
+ rb_node = rb_first(&self->sorted_chain);
+ while (rb_node) {
+ chain = rb_entry(rb_node, struct callchain_node, rb_node);
+ switch (callchain_param.mode) {
+ case CHAIN_FLAT:
+ break;
+ case CHAIN_GRAPH_ABS: /* falldown */
+ case CHAIN_GRAPH_REL:
+ callchain__append_graph_browser(chain, tree, total, indexes, idx++);
+ break;
+ case CHAIN_NONE:
+ default:
+ break;
+ }
+ rb_node = rb_next(rb_node);
+ }
+}
+
+static size_t hist_entry__append_browser(struct hist_entry *self,
+ newtComponent tree, u64 total)
+{
+ char s[256];
+ size_t ret;
+
+ if (symbol_conf.exclude_other && !self->parent)
+ return 0;
+
+ ret = hist_entry__snprintf(self, s, sizeof(s), NULL,
+ false, 0, false, total);
+ if (symbol_conf.use_callchain) {
+ int indexes[2];
+
+ indexes[0] = NEWT_ARG_APPEND;
+ indexes[1] = NEWT_ARG_LAST;
+ newt_checkbox_tree__add(tree, s, &self->ms, indexes);
+ } else
+ newtListboxAppendEntry(tree, s, &self->ms);
+
+ return ret;
+}
+
+static void hist_entry__annotate_browser(struct hist_entry *self)
+{
+ struct ui_browser browser;
+ struct newtExitStruct es;
+ struct objdump_line *pos, *n;
+ LIST_HEAD(head);
+
+ if (self->ms.sym == NULL)
+ return;
+
+ if (hist_entry__annotate(self, &head) < 0)
+ return;
+
+ ui_helpline__push("Press <- or ESC to exit");
+
+ memset(&browser, 0, sizeof(browser));
+ browser.entries = &head;
+ browser.priv = self;
+ list_for_each_entry(pos, &head, node) {
+ size_t line_len = strlen(pos->line);
+ if (browser.width < line_len)
+ browser.width = line_len;
+ ++browser.nr_entries;
+ }
+
+ browser.width += 18; /* Percentage */
+ ui_browser__run(&browser, self->ms.sym->name, &es);
+ newtFormDestroy(browser.form);
+ newtPopWindow();
+ list_for_each_entry_safe(pos, n, &head, node) {
+ list_del(&pos->node);
+ objdump_line__free(pos);
+ }
+ ui_helpline__pop();
+}
+
+static const void *newt__symbol_tree_get_current(newtComponent self)
+{
+ if (symbol_conf.use_callchain)
+ return newtCheckboxTreeGetCurrent(self);
+ return newtListboxGetCurrent(self);
+}
+
+static void hist_browser__selection(newtComponent self, void *data)
+{
+ const struct map_symbol **symbol_ptr = data;
+ *symbol_ptr = newt__symbol_tree_get_current(self);
+}
+
+struct hist_browser {
+ newtComponent form, tree;
+ const struct map_symbol *selection;
+};
+
+static struct hist_browser *hist_browser__new(void)
+{
+ struct hist_browser *self = malloc(sizeof(*self));
+
+ if (self != NULL)
+ self->form = NULL;
+
+ return self;
+}
+
+static void hist_browser__delete(struct hist_browser *self)
+{
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ free(self);
+}
+
+static int hist_browser__populate(struct hist_browser *self, struct hists *hists,
+ const char *title)
+{
+ int max_len = 0, idx, cols, rows;
+ struct ui_progress *progress;
+ struct rb_node *nd;
+ u64 curr_hist = 0;
+ char seq[] = ".", unit;
+ char str[256];
+ unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ if (self->form) {
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ }
+
+ nr_events = convert_unit(nr_events, &unit);
+ snprintf(str, sizeof(str), "Events: %lu%c ",
+ nr_events, unit);
+ newtDrawRootText(0, 0, str);
+
+ newtGetScreenSize(NULL, &rows);
+
+ if (symbol_conf.use_callchain)
+ self->tree = newtCheckboxTreeMulti(0, 0, rows - 5, seq,
+ NEWT_FLAG_SCROLL);
+ else
+ self->tree = newtListbox(0, 0, rows - 5,
+ (NEWT_FLAG_SCROLL |
+ NEWT_FLAG_RETURNEXIT));
+
+ newtComponentAddCallback(self->tree, hist_browser__selection,
+ &self->selection);
+
+ progress = ui_progress__new("Adding entries to the browser...",
+ hists->nr_entries);
+ if (progress == NULL)
+ return -1;
+
+ idx = 0;
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+ int len;
+
+ if (h->filtered)
+ continue;
+
+ len = hist_entry__append_browser(h, self->tree, hists->stats.total_period);
+ if (len > max_len)
+ max_len = len;
+ if (symbol_conf.use_callchain)
+ hist_entry__append_callchain_browser(h, self->tree,
+ hists->stats.total_period, idx++);
+ ++curr_hist;
+ if (curr_hist % 5)
+ ui_progress__update(progress, curr_hist);
+ }
+
+ ui_progress__delete(progress);
+
+ newtGetScreenSize(&cols, &rows);
+
+ if (max_len > cols)
+ max_len = cols - 3;
+
+ if (!symbol_conf.use_callchain)
+ newtListboxSetWidth(self->tree, max_len);
+
+ newtCenteredWindow(max_len + (symbol_conf.use_callchain ? 5 : 0),
+ rows - 5, title);
+ self->form = newt_form__new();
+ if (self->form == NULL)
+ return -1;
+
+ newtFormAddHotKey(self->form, 'A');
+ newtFormAddHotKey(self->form, 'a');
+ newtFormAddHotKey(self->form, 'D');
+ newtFormAddHotKey(self->form, 'd');
+ newtFormAddHotKey(self->form, 'T');
+ newtFormAddHotKey(self->form, 't');
+ newtFormAddHotKey(self->form, '?');
+ newtFormAddHotKey(self->form, 'H');
+ newtFormAddHotKey(self->form, 'h');
+ newtFormAddHotKey(self->form, NEWT_KEY_F1);
+ newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
+ newtFormAddComponents(self->form, self->tree, NULL);
+ self->selection = newt__symbol_tree_get_current(self->tree);
+
+ return 0;
+}
+
+static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
+{
+ int *indexes;
+
+ if (!symbol_conf.use_callchain)
+ goto out;
+
+ indexes = newtCheckboxTreeFindItem(self->tree, (void *)self->selection);
+ if (indexes) {
+ bool is_hist_entry = indexes[1] == NEWT_ARG_LAST;
+ free(indexes);
+ if (is_hist_entry)
+ goto out;
+ }
+ return NULL;
+out:
+ return container_of(self->selection, struct hist_entry, ms);
+}
+
+static struct thread *hist_browser__selected_thread(struct hist_browser *self)
+{
+ struct hist_entry *he = hist_browser__selected_entry(self);
+ return he ? he->thread : NULL;
+}
+
+static int hist_browser__title(char *bf, size_t size, const char *input_name,
+ const struct dso *dso, const struct thread *thread)
+{
+ int printed = 0;
+
+ if (thread)
+ printed += snprintf(bf + printed, size - printed,
+ "Thread: %s(%d)",
+ (thread->comm_set ? thread->comm : ""),
+ thread->pid);
+ if (dso)
+ printed += snprintf(bf + printed, size - printed,
+ "%sDSO: %s", thread ? " " : "",
+ dso->short_name);
+ return printed ?: snprintf(bf, size, "Report: %s", input_name);
+}
+
+int hists__browse(struct hists *self, const char *helpline, const char *input_name)
+{
+ struct hist_browser *browser = hist_browser__new();
+ struct pstack *fstack = pstack__new(2);
+ const struct thread *thread_filter = NULL;
+ const struct dso *dso_filter = NULL;
+ struct newtExitStruct es;
+ char msg[160];
+ int err = -1;
+
+ if (browser == NULL)
+ return -1;
+
+ fstack = pstack__new(2);
+ if (fstack == NULL)
+ goto out;
+
+ ui_helpline__push(helpline);
+
+ hist_browser__title(msg, sizeof(msg), input_name,
+ dso_filter, thread_filter);
+ if (hist_browser__populate(browser, self, msg) < 0)
+ goto out_free_stack;
+
+ while (1) {
+ const struct thread *thread;
+ const struct dso *dso;
+ char *options[16];
+ int nr_options = 0, choice = 0, i,
+ annotate = -2, zoom_dso = -2, zoom_thread = -2;
+
+ newtFormRun(browser->form, &es);
+
+ thread = hist_browser__selected_thread(browser);
+ dso = browser->selection->map ? browser->selection->map->dso : NULL;
+
+ if (es.reason == NEWT_EXIT_HOTKEY) {
+ if (es.u.key == NEWT_KEY_F1)
+ goto do_help;
+
+ switch (toupper(es.u.key)) {
+ case 'A':
+ goto do_annotate;
+ case 'D':
+ goto zoom_dso;
+ case 'T':
+ goto zoom_thread;
+ case 'H':
+ case '?':
+do_help:
+ ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
+ "<- Zoom out\n"
+ "a Annotate current symbol\n"
+ "h/?/F1 Show this window\n"
+ "d Zoom into current DSO\n"
+ "t Zoom into current Thread\n"
+ "q/CTRL+C Exit browser");
+ 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?"))
+ break;
+ else
+ continue;
+ }
+
+ if (es.u.key == NEWT_KEY_LEFT) {
+ const void *top;
+
+ if (pstack__empty(fstack))
+ continue;
+ top = pstack__pop(fstack);
+ if (top == &dso_filter)
+ goto zoom_out_dso;
+ if (top == &thread_filter)
+ goto zoom_out_thread;
+ continue;
+ }
+ }
+
+ if (browser->selection->sym != NULL &&
+ asprintf(&options[nr_options], "Annotate %s",
+ browser->selection->sym->name) > 0)
+ annotate = nr_options++;
+
+ if (thread != NULL &&
+ asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
+ (thread_filter ? "out of" : "into"),
+ (thread->comm_set ? thread->comm : ""),
+ thread->pid) > 0)
+ zoom_thread = nr_options++;
+
+ if (dso != NULL &&
+ asprintf(&options[nr_options], "Zoom %s %s DSO",
+ (dso_filter ? "out of" : "into"),
+ (dso->kernel ? "the Kernel" : dso->short_name)) > 0)
+ zoom_dso = nr_options++;
+
+ options[nr_options++] = (char *)"Exit";
+
+ choice = popup_menu(nr_options, options);
+
+ for (i = 0; i < nr_options - 1; ++i)
+ free(options[i]);
+
+ if (choice == nr_options - 1)
+ break;
+
+ if (choice == -1)
+ continue;
+
+ if (choice == annotate) {
+ struct hist_entry *he;
+do_annotate:
+ if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
+ ui_helpline__puts("No vmlinux file found, can't "
+ "annotate with just a "
+ "kallsyms file");
+ continue;
+ }
+
+ he = hist_browser__selected_entry(browser);
+ if (he == NULL)
+ continue;
+
+ hist_entry__annotate_browser(he);
+ } else if (choice == zoom_dso) {
+zoom_dso:
+ if (dso_filter) {
+ pstack__remove(fstack, &dso_filter);
+zoom_out_dso:
+ ui_helpline__pop();
+ dso_filter = NULL;
+ } else {
+ if (dso == NULL)
+ continue;
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
+ dso->kernel ? "the Kernel" : dso->short_name);
+ dso_filter = dso;
+ pstack__push(fstack, &dso_filter);
+ }
+ hists__filter_by_dso(self, dso_filter);
+ hist_browser__title(msg, sizeof(msg), input_name,
+ dso_filter, thread_filter);
+ if (hist_browser__populate(browser, self, msg) < 0)
+ goto out;
+ } else if (choice == zoom_thread) {
+zoom_thread:
+ if (thread_filter) {
+ pstack__remove(fstack, &thread_filter);
+zoom_out_thread:
+ ui_helpline__pop();
+ thread_filter = NULL;
+ } else {
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
+ thread->comm_set ? thread->comm : "",
+ thread->pid);
+ thread_filter = thread;
+ pstack__push(fstack, &thread_filter);
+ }
+ hists__filter_by_thread(self, thread_filter);
+ hist_browser__title(msg, sizeof(msg), input_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;
+}
+
+static struct newtPercentTreeColors {
+ const char *topColorFg, *topColorBg;
+ const char *mediumColorFg, *mediumColorBg;
+ const char *normalColorFg, *normalColorBg;
+ const char *selColorFg, *selColorBg;
+ const char *codeColorFg, *codeColorBg;
+} defaultPercentTreeColors = {
+ "red", "lightgray",
+ "green", "lightgray",
+ "black", "lightgray",
+ "lightgray", "magenta",
+ "blue", "lightgray",
+};
+
+void setup_browser(void)
+{
+ struct newtPercentTreeColors *c = &defaultPercentTreeColors;
+ if (!isatty(1))
+ return;
+
+ use_browser = true;
+ newtInit();
+ newtCls();
+ ui_helpline__puts(" ");
+ sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
+ sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
+ sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);
+ sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);
+ sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);
+}
+
+void exit_browser(bool wait_for_ok)
+{
+ if (use_browser) {
+ if (wait_for_ok) {
+ char title[] = "Fatal Error", ok[] = "Ok";
+ newtWinMessage(title, ok, browser__last_msg);
+ }
+ newtFinished();
+ }
+}