#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 <signal.h>
+#include "../libslang.h"
#include <stdlib.h>
-#include <elf.h>
+#include <string.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"
-#include "ui/browser.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
-
-newtComponent newt_form__new(void);
-
-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;
-
- if (use_browser <= 0)
- return self;
- 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();
- }
+#include <linux/rbtree.h>
- return self;
+#include "../../hist.h"
+#include "../../pstack.h"
+#include "../../sort.h"
+#include "../../util.h"
-out_free_form:
- newtFormDestroy(self->form);
-out_free_self:
- free(self);
- return NULL;
-}
+#include "../browser.h"
+#include "../helpline.h"
+#include "../util.h"
+#include "map.h"
-void ui_progress__update(struct ui_progress *self, u64 curr)
-{
- /*
- * FIXME: We should have a per UI backend way of showing progress,
- * stdio will just show a percentage as NN%, etc.
- */
- if (use_browser <= 0)
- return;
- newtScaleSet(self->scale, curr);
- newtRefresh();
-}
+struct hist_browser {
+ struct ui_browser b;
+ struct hists *hists;
+ struct hist_entry *he_selection;
+ struct map_symbol *selection;
+};
-void ui_progress__delete(struct ui_progress *self)
+static void hist_browser__refresh_dimensions(struct hist_browser *self)
{
- if (use_browser > 0) {
- newtFormDestroy(self->form);
- newtPopWindow();
- }
- free(self);
+ /* 3 == +/- toggle symbol before actual hist_entry rendering */
+ self->b.width = 3 + (hists__sort_list_width(self->hists) +
+ sizeof("[k]"));
}
-static void ui_helpline__pop(void)
+static void hist_browser__reset(struct hist_browser *self)
{
- newtPopHelpLine();
+ self->b.nr_entries = self->hists->nr_entries;
+ hist_browser__refresh_dimensions(self);
+ ui_browser__reset_index(&self->b);
}
-static void ui_helpline__push(const char *msg)
+static char tree__folded_sign(bool unfolded)
{
- newtPushHelpLine(msg);
+ return unfolded ? '-' : '+';
}
-static void ui_helpline__vpush(const char *fmt, va_list ap)
+static char map_symbol__folded(const struct map_symbol *self)
{
- char *s;
-
- if (vasprintf(&s, fmt, ap) < 0)
- vfprintf(stderr, fmt, ap);
- else {
- ui_helpline__push(s);
- free(s);
- }
+ return self->has_children ? tree__folded_sign(self->unfolded) : ' ';
}
-static void ui_helpline__fpush(const char *fmt, ...)
+static char hist_entry__folded(const struct hist_entry *self)
{
- va_list ap;
-
- va_start(ap, fmt);
- ui_helpline__vpush(fmt, ap);
- va_end(ap);
+ return map_symbol__folded(&self->ms);
}
-static void ui_helpline__puts(const char *msg)
+static char callchain_list__folded(const struct callchain_list *self)
{
- ui_helpline__pop();
- ui_helpline__push(msg);
+ return map_symbol__folded(&self->ms);
}
-static int ui_entry__read(const char *title, char *bf, size_t size, int width)
+static int callchain_node__count_rows_rb_tree(struct callchain_node *self)
{
- struct newtExitStruct es;
- newtComponent form, entry;
- const char *result;
- int err = -1;
-
- newtCenteredWindow(width, 1, title);
- form = newtForm(NULL, NULL, 0);
- if (form == NULL)
- return -1;
+ int n = 0;
+ struct rb_node *nd;
- entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL);
- if (entry == NULL)
- goto out_free_form;
+ for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+ struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
+ struct callchain_list *chain;
+ char folded_sign = ' '; /* No children */
- newtFormAddComponent(form, entry);
- newtFormAddHotKey(form, NEWT_KEY_ENTER);
- newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
- newtFormAddHotKey(form, NEWT_KEY_LEFT);
- newtFormAddHotKey(form, CTRL('c'));
- newtFormRun(form, &es);
+ list_for_each_entry(chain, &child->val, list) {
+ ++n;
+ /* We need this because we may not have children */
+ folded_sign = callchain_list__folded(chain);
+ if (folded_sign == '+')
+ break;
+ }
- if (result != NULL) {
- strncpy(bf, result, size);
- err = 0;
+ if (folded_sign == '-') /* Have children and they're unfolded */
+ n += callchain_node__count_rows_rb_tree(child);
}
-out_free_form:
- newtPopWindow();
- newtFormDestroy(form);
- return 0;
-}
-static char browser__last_msg[1024];
+ return n;
+}
-int browser__show_help(const char *format, va_list ap)
+static int callchain_node__count_rows(struct callchain_node *node)
{
- int ret;
- static int backlog;
-
- ret = vsnprintf(browser__last_msg + backlog,
- sizeof(browser__last_msg) - backlog, format, ap);
- backlog += ret;
+ struct callchain_list *chain;
+ bool unfolded = false;
+ int n = 0;
- if (browser__last_msg[backlog - 1] == '\n') {
- ui_helpline__puts(browser__last_msg);
- newtRefresh();
- backlog = 0;
+ list_for_each_entry(chain, &node->val, list) {
+ ++n;
+ unfolded = chain->ms.unfolded;
}
- 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'));
-}
+ if (unfolded)
+ n += callchain_node__count_rows_rb_tree(node);
-newtComponent newt_form__new(void)
-{
- newtComponent self = newtForm(NULL, NULL, 0);
- if (self)
- newt_form__set_exit_keys(self);
- return self;
+ return n;
}
-static int popup_menu(int argc, char * const argv[])
+static int callchain__count_rows(struct rb_root *chain)
{
- 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);
+ struct rb_node *nd;
+ int n = 0;
- 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;
+ for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
+ struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+ n += callchain_node__count_rows(node);
}
- 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;
+ return n;
}
-static int ui__help_window(const char *text)
+static bool map_symbol__toggle_fold(struct map_symbol *self)
{
- 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;
-}
+ if (!self->has_children)
+ return false;
-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;
+ self->unfolded = !self->unfolded;
+ return true;
}
-static void ui__error_window(const char *fmt, ...)
+static void callchain_node__init_have_children_rb_tree(struct callchain_node *self)
{
- va_list ap;
+ struct rb_node *nd = rb_first(&self->rb_root);
- va_start(ap, fmt);
- newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
- va_end(ap);
-}
+ for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+ struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
+ struct callchain_list *chain;
+ int first = true;
-static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
-{
- struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
- bool current_entry = ui_browser__is_current_entry(self, row);
- int width = self->width;
-
- if (ol->offset != -1) {
- struct hist_entry *he = self->priv;
- struct symbol *sym = he->ms.sym;
- int len = he->ms.sym->end - he->ms.sym->start;
- 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 = ol->offset;
- struct objdump_line *next = objdump__get_next_ip_line(self->entries, ol);
-
- while (offset < (s64)len &&
- (next == NULL || offset < next->offset)) {
- if (sym_ext) {
- percent += sym_ext[offset].percent;
+ list_for_each_entry(chain, &child->val, list) {
+ if (first) {
+ first = false;
+ chain->ms.has_children = chain->list.next != &child->val ||
+ rb_first(&child->rb_root) != NULL;
} else
- hits += h->ip[offset];
-
- ++offset;
+ chain->ms.has_children = chain->list.next == &child->val &&
+ rb_first(&child->rb_root) != NULL;
}
- 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);
+ callchain_node__init_have_children_rb_tree(child);
}
-
- SLsmg_write_char(':');
- slsmg_write_nstring(" ", 8);
- if (!*ol->line)
- slsmg_write_nstring(" ", width - 18);
- else
- slsmg_write_nstring(ol->line, width - 18);
}
-static char *callchain_list__sym_name(struct callchain_list *self,
- char *bf, size_t bfsize)
+static void callchain_node__init_have_children(struct callchain_node *self)
{
- if (self->ms.sym)
- return self->ms.sym->name;
+ struct callchain_list *chain;
- snprintf(bf, bfsize, "%#Lx", self->ip);
- return bf;
+ list_for_each_entry(chain, &self->val, list)
+ chain->ms.has_children = rb_first(&self->rb_root) != NULL;
+
+ callchain_node__init_have_children_rb_tree(self);
}
-int hist_entry__tui_annotate(struct hist_entry *self)
+static void callchain__init_have_children(struct rb_root *self)
{
- struct newtExitStruct es;
- struct objdump_line *pos, *n;
- LIST_HEAD(head);
- struct ui_browser browser = {
- .entries = &head,
- .refresh = ui_browser__list_head_refresh,
- .seek = ui_browser__list_head_seek,
- .write = annotate_browser__write,
- .priv = self,
- };
- int ret;
-
- if (self->ms.sym == NULL)
- return -1;
-
- 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");
+ struct rb_node *nd;
- 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;
+ for (nd = rb_first(self); nd; nd = rb_next(nd)) {
+ struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+ callchain_node__init_have_children(node);
}
+}
- browser.width += 18; /* Percentage */
- ui_browser__show(&browser, self->ms.sym->name);
- newtFormAddHotKey(browser.form, ' ');
- ret = ui_browser__run(&browser, &es);
- newtFormDestroy(browser.form);
- newtPopWindow();
- list_for_each_entry_safe(pos, n, &head, node) {
- list_del(&pos->node);
- objdump_line__free(pos);
+static void hist_entry__init_have_children(struct hist_entry *self)
+{
+ if (!self->init_have_children) {
+ callchain__init_have_children(&self->sorted_chain);
+ self->init_have_children = true;
}
- ui_helpline__pop();
- return ret;
}
-/* -------------------------------------------------------------------- */
+static bool hist_browser__toggle_fold(struct hist_browser *self)
+{
+ if (map_symbol__toggle_fold(self->selection)) {
+ struct hist_entry *he = self->he_selection;
-struct map_browser {
- struct ui_browser b;
- struct map *map;
- u16 namelen;
- u8 addrlen;
-};
+ hist_entry__init_have_children(he);
+ self->hists->nr_entries -= he->nr_rows;
-static void map_browser__write(struct ui_browser *self, void *nd, int row)
-{
- struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
- struct map_browser *mb = container_of(self, struct map_browser, b);
- bool current_entry = ui_browser__is_current_entry(self, row);
- int color = ui_browser__percent_color(0, current_entry);
-
- SLsmg_set_color(color);
- slsmg_printf("%*llx %*llx %c ",
- mb->addrlen, sym->start, mb->addrlen, sym->end,
- sym->binding == STB_GLOBAL ? 'g' :
- sym->binding == STB_LOCAL ? 'l' : 'w');
- slsmg_write_nstring(sym->name, mb->namelen);
-}
+ if (he->ms.unfolded)
+ he->nr_rows = callchain__count_rows(&he->sorted_chain);
+ else
+ he->nr_rows = 0;
+ self->hists->nr_entries += he->nr_rows;
+ self->b.nr_entries = self->hists->nr_entries;
-/* FIXME uber-kludgy, see comment on cmd_report... */
-static u32 *symbol__browser_index(struct symbol *self)
-{
- return ((void *)self) - sizeof(struct rb_node) - sizeof(u32);
+ return true;
+ }
+
+ /* If it doesn't have children, no toggling performed */
+ return false;
}
-static int map_browser__search(struct map_browser *self)
+static int hist_browser__run(struct hist_browser *self, const char *title,
+ struct newtExitStruct *es)
{
- char target[512];
- struct symbol *sym;
- int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40);
-
- if (err)
- return err;
+ char str[256], unit;
+ unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE];
- if (target[0] == '0' && tolower(target[1]) == 'x') {
- u64 addr = strtoull(target, NULL, 16);
- sym = map__find_symbol(self->map, addr, NULL);
- } else
- sym = map__find_symbol_by_name(self->map, target, NULL);
+ self->b.entries = &self->hists->entries;
+ self->b.nr_entries = self->hists->nr_entries;
- if (sym != NULL) {
- u32 *idx = symbol__browser_index(sym);
-
- self->b.first_visible_entry = &sym->rb_node;
- self->b.index = self->b.first_visible_entry_idx = *idx;
- } else
- ui_helpline__fpush("%s not found!", target);
+ hist_browser__refresh_dimensions(self);
- return 0;
-}
+ nr_events = convert_unit(nr_events, &unit);
+ snprintf(str, sizeof(str), "Events: %lu%c ",
+ nr_events, unit);
+ newtDrawRootText(0, 0, str);
-static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
-{
- if (ui_browser__show(&self->b, self->map->dso->long_name) < 0)
+ if (ui_browser__show(&self->b, title,
+ "Press '?' for help on key bindings") < 0)
return -1;
- ui_helpline__fpush("Press <- or ESC to exit, %s / to search",
- verbose ? "" : "restart with -v to use");
+ newtFormAddHotKey(self->b.form, 'a');
+ newtFormAddHotKey(self->b.form, '?');
+ newtFormAddHotKey(self->b.form, 'h');
+ newtFormAddHotKey(self->b.form, 'd');
+ newtFormAddHotKey(self->b.form, 'D');
+ newtFormAddHotKey(self->b.form, 't');
+
newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
+ newtFormAddHotKey(self->b.form, NEWT_KEY_RIGHT);
newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
- if (verbose)
- newtFormAddHotKey(self->b.form, '/');
while (1) {
ui_browser__run(&self->b, es);
if (es->reason != NEWT_EXIT_HOTKEY)
break;
- if (verbose && es->u.key == '/')
- map_browser__search(self);
- else
- break;
+ switch (es->u.key) {
+ case 'D': { /* Debug */
+ static int seq;
+ struct hist_entry *h = rb_entry(self->b.top,
+ struct hist_entry, rb_node);
+ ui_helpline__pop();
+ ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
+ seq++, self->b.nr_entries,
+ self->hists->nr_entries,
+ self->b.height,
+ self->b.index,
+ self->b.top_idx,
+ h->row_offset, h->nr_rows);
+ }
+ continue;
+ case NEWT_KEY_ENTER:
+ if (hist_browser__toggle_fold(self))
+ break;
+ /* fall thru */
+ default:
+ return 0;
+ }
}
- newtFormDestroy(self->b.form);
- newtPopWindow();
- ui_helpline__pop();
+ ui_browser__hide(&self->b);
return 0;
}
-static int map__browse(struct map *self)
+static char *callchain_list__sym_name(struct callchain_list *self,
+ char *bf, size_t bfsize)
{
- struct map_browser mb = {
- .b = {
- .entries = &self->dso->symbols[self->type],
- .refresh = ui_browser__rb_tree_refresh,
- .seek = ui_browser__rb_tree_seek,
- .write = map_browser__write,
- },
- .map = self,
- };
- struct newtExitStruct es;
- struct rb_node *nd;
- char tmp[BITS_PER_LONG / 4];
- u64 maxaddr = 0;
-
- for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
- struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
-
- if (mb.namelen < pos->namelen)
- mb.namelen = pos->namelen;
- if (maxaddr < pos->end)
- maxaddr = pos->end;
- if (verbose) {
- u32 *idx = symbol__browser_index(pos);
- *idx = mb.b.nr_entries;
- }
- ++mb.b.nr_entries;
- }
+ if (self->ms.sym)
+ return self->ms.sym->name;
- mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr);
- mb.b.width += mb.addrlen * 2 + 4 + mb.namelen;
- return map_browser__run(&mb, &es);
+ snprintf(bf, bfsize, "%#Lx", self->ip);
+ return bf;
}
-/* -------------------------------------------------------------------- */
-
-struct hist_browser {
- struct ui_browser b;
- struct hists *hists;
- struct hist_entry *he_selection;
- struct map_symbol *selection;
-};
-
-static void hist_browser__reset(struct hist_browser *self);
-static int hist_browser__run(struct hist_browser *self, const char *title,
- struct newtExitStruct *es);
-static unsigned int hist_browser__refresh(struct ui_browser *self);
-static void ui_browser__hists_seek(struct ui_browser *self,
- off_t offset, int whence);
-
-static struct hist_browser *hist_browser__new(struct hists *hists)
-{
- struct hist_browser *self = zalloc(sizeof(*self));
-
- if (self) {
- self->hists = hists;
- self->b.refresh = hist_browser__refresh;
- self->b.seek = ui_browser__hists_seek;
- }
-
- return self;
-}
-
-static void hist_browser__delete(struct hist_browser *self)
-{
- newtFormDestroy(self->b.form);
- newtPopWindow();
- free(self);
-}
-
-static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
-{
- return self->he_selection;
-}
-
-static struct thread *hist_browser__selected_thread(struct hist_browser *self)
-{
- return self->he_selection->thread;
-}
-
-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;
-
- 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, "Event: %s", ev_name);
-}
-
-int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
-{
- struct hist_browser *browser = hist_browser__new(self);
- struct pstack *fstack;
- const struct thread *thread_filter = NULL;
- const struct dso *dso_filter = NULL;
- struct newtExitStruct es;
- char msg[160];
- int key = -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), ev_name,
- dso_filter, thread_filter);
-
- 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,
- browse_map = -2;
-
- if (hist_browser__run(browser, msg, &es))
- break;
-
- thread = hist_browser__selected_thread(browser);
- dso = browser->selection->map ? browser->selection->map->dso : NULL;
-
- if (es.reason == NEWT_EXIT_HOTKEY) {
- 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:;
- }
-
- 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;
- 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 (is_exit_key(key)) {
- if (key == NEWT_KEY_ESCAPE) {
- if (dialog_yesno("Do you really want to exit?"))
- break;
- else
- continue;
- } else
- break;
- }
-
- 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 &&
- !browser->selection->map->dso->annotate_warned &&
- 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++;
-
- if (browser->selection->map != NULL &&
- asprintf(&options[nr_options], "Browse map details") > 0)
- browse_map = 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) {
- browser->selection->map->dso->annotate_warned = 1;
- 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__tui_annotate(he);
- } else if (choice == browse_map)
- map__browse(browser->selection->map);
- 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), ev_name,
- dso_filter, thread_filter);
- hist_browser__reset(browser);
- } 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), ev_name,
- dso_filter, thread_filter);
- hist_browser__reset(browser);
- }
- }
-out_free_stack:
- pstack__delete(fstack);
-out:
- hist_browser__delete(browser);
- 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 void newt_suspend(void *d __used)
-{
- newtSuspend();
- raise(SIGTSTP);
- newtResume();
-}
-
-void setup_browser(void)
-{
- if (!isatty(1) || !use_browser || dump_trace) {
- use_browser = 0;
- setup_pager();
- return;
- }
-
- use_browser = 1;
- newtInit();
- newtCls();
- newtSetSuspendCallback(newt_suspend, NULL);
- ui_helpline__puts(" ");
- ui_browser__init();
-}
-
-void exit_browser(bool wait_for_ok)
-{
- if (use_browser > 0) {
- if (wait_for_ok) {
- char title[] = "Fatal Error", ok[] = "Ok";
- newtWinMessage(title, ok, browser__last_msg);
- }
- newtFinished();
- }
-}
-
-static void hist_browser__refresh_dimensions(struct hist_browser *self)
-{
- /* 3 == +/- toggle symbol before actual hist_entry rendering */
- self->b.width = 3 + (hists__sort_list_width(self->hists) +
- sizeof("[k]"));
-}
-
-static void hist_browser__reset(struct hist_browser *self)
-{
- self->b.nr_entries = self->hists->nr_entries;
- hist_browser__refresh_dimensions(self);
- ui_browser__reset_index(&self->b);
-}
-
-static char tree__folded_sign(bool unfolded)
-{
- return unfolded ? '-' : '+';
-}
-
-static char map_symbol__folded(const struct map_symbol *self)
-{
- return self->has_children ? tree__folded_sign(self->unfolded) : ' ';
-}
-
-static char hist_entry__folded(const struct hist_entry *self)
-{
- return map_symbol__folded(&self->ms);
-}
-
-static char callchain_list__folded(const struct callchain_list *self)
-{
- return map_symbol__folded(&self->ms);
-}
-
-static bool map_symbol__toggle_fold(struct map_symbol *self)
-{
- if (!self->has_children)
- return false;
-
- self->unfolded = !self->unfolded;
- return true;
-}
-
-#define LEVEL_OFFSET_STEP 3
+#define LEVEL_OFFSET_STEP 3
static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self,
struct callchain_node *chain_node,
}
SLsmg_set_color(color);
- SLsmg_gotorc(self->b.top + row, self->b.left);
+ SLsmg_gotorc(self->b.y + row, self->b.x);
slsmg_write_nstring(" ", offset + extra_offset);
slsmg_printf("%c ", folded_sign);
slsmg_write_nstring(str, width);
}
s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
- SLsmg_gotorc(self->b.top + row, self->b.left);
+ SLsmg_gotorc(self->b.y + row, self->b.x);
SLsmg_set_color(color);
slsmg_write_nstring(" ", offset);
slsmg_printf("%c ", folded_sign);
}
SLsmg_set_color(color);
- SLsmg_gotorc(self->b.top + row, self->b.left);
+ SLsmg_gotorc(self->b.y + row, self->b.x);
if (symbol_conf.use_callchain) {
slsmg_printf("%c ", folded_sign);
width -= 2;
struct rb_node *nd;
struct hist_browser *hb = container_of(self, struct hist_browser, b);
- if (self->first_visible_entry == NULL)
- self->first_visible_entry = rb_first(&hb->hists->entries);
+ if (self->top == NULL)
+ self->top = rb_first(&hb->hists->entries);
- for (nd = self->first_visible_entry; nd; nd = rb_next(nd)) {
+ for (nd = self->top; nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (h->filtered)
return row;
}
-static void callchain_node__init_have_children_rb_tree(struct callchain_node *self)
-{
- struct rb_node *nd = rb_first(&self->rb_root);
-
- for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
- struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
- struct callchain_list *chain;
- int first = true;
-
- list_for_each_entry(chain, &child->val, list) {
- if (first) {
- first = false;
- chain->ms.has_children = chain->list.next != &child->val ||
- rb_first(&child->rb_root) != NULL;
- } else
- chain->ms.has_children = chain->list.next == &child->val &&
- rb_first(&child->rb_root) != NULL;
- }
-
- callchain_node__init_have_children_rb_tree(child);
- }
-}
-
-static void callchain_node__init_have_children(struct callchain_node *self)
-{
- struct callchain_list *chain;
-
- list_for_each_entry(chain, &self->val, list)
- chain->ms.has_children = rb_first(&self->rb_root) != NULL;
-
- callchain_node__init_have_children_rb_tree(self);
-}
-
-static void callchain__init_have_children(struct rb_root *self)
-{
- struct rb_node *nd;
-
- for (nd = rb_first(self); nd; nd = rb_next(nd)) {
- struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
- callchain_node__init_have_children(node);
- }
-}
-
-static void hist_entry__init_have_children(struct hist_entry *self)
-{
- if (!self->init_have_children) {
- callchain__init_have_children(&self->sorted_chain);
- self->init_have_children = true;
- }
-}
-
static struct rb_node *hists__filter_entries(struct rb_node *nd)
{
while (nd != NULL) {
nd = hists__filter_entries(rb_first(self->entries));
break;
case SEEK_CUR:
- nd = self->first_visible_entry;
+ nd = self->top;
goto do_offset;
case SEEK_END:
nd = hists__filter_prev_entries(rb_last(self->entries));
* Moves not relative to the first visible entry invalidates its
* row_offset:
*/
- h = rb_entry(self->first_visible_entry, struct hist_entry, rb_node);
+ h = rb_entry(self->top, struct hist_entry, rb_node);
h->row_offset = 0;
/*
} else {
h->row_offset += offset;
offset = 0;
- self->first_visible_entry = nd;
+ self->top = nd;
break;
}
}
if (nd == NULL)
break;
--offset;
- self->first_visible_entry = nd;
+ self->top = nd;
} while (offset != 0);
} else if (offset < 0) {
while (1) {
} else {
h->row_offset += offset;
offset = 0;
- self->first_visible_entry = nd;
+ self->top = nd;
break;
}
} else {
} else {
h->row_offset = h->nr_rows + offset;
offset = 0;
- self->first_visible_entry = nd;
+ self->top = nd;
break;
}
}
if (nd == NULL)
break;
++offset;
- self->first_visible_entry = nd;
+ self->top = nd;
if (offset == 0) {
/*
* Last unfiltered hist_entry, check if it is
* unfolded, if it is then we should have
* row_offset at its last entry.
*/
- h = rb_entry(nd, struct hist_entry, rb_node);
- if (h->ms.unfolded)
- h->row_offset = h->nr_rows;
- break;
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ if (h->ms.unfolded)
+ h->row_offset = h->nr_rows;
+ break;
+ }
+ first = false;
+ }
+ } else {
+ self->top = nd;
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ h->row_offset = 0;
+ }
+}
+
+static struct hist_browser *hist_browser__new(struct hists *hists)
+{
+ struct hist_browser *self = zalloc(sizeof(*self));
+
+ if (self) {
+ self->hists = hists;
+ self->b.refresh = hist_browser__refresh;
+ self->b.seek = ui_browser__hists_seek;
+ }
+
+ return self;
+}
+
+static void hist_browser__delete(struct hist_browser *self)
+{
+ newtFormDestroy(self->b.form);
+ newtPopWindow();
+ free(self);
+}
+
+static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
+{
+ return self->he_selection;
+}
+
+static struct thread *hist_browser__selected_thread(struct hist_browser *self)
+{
+ return self->he_selection->thread;
+}
+
+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;
+
+ 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, "Event: %s", ev_name);
+}
+
+int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
+{
+ struct hist_browser *browser = hist_browser__new(self);
+ struct pstack *fstack;
+ const struct thread *thread_filter = NULL;
+ const struct dso *dso_filter = NULL;
+ struct newtExitStruct es;
+ char msg[160];
+ int key = -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), ev_name,
+ dso_filter, thread_filter);
+
+ 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,
+ browse_map = -2;
+
+ if (hist_browser__run(browser, msg, &es))
+ break;
+
+ thread = hist_browser__selected_thread(browser);
+ dso = browser->selection->map ? browser->selection->map->dso : NULL;
+
+ if (es.reason == NEWT_EXIT_HOTKEY) {
+ 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:;
}
- first = false;
- }
- } else {
- self->first_visible_entry = nd;
- h = rb_entry(nd, struct hist_entry, rb_node);
- h->row_offset = 0;
- }
-}
-static int callchain_node__count_rows_rb_tree(struct callchain_node *self)
-{
- int n = 0;
- struct rb_node *nd;
+ switch (key) {
+ case 'a':
+ if (browser->selection->map == NULL &&
+ browser->selection->map->dso->annotate_warned)
+ continue;
+ 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 (is_exit_key(key)) {
+ if (key == NEWT_KEY_ESCAPE &&
+ !ui__dialog_yesno("Do you really want to exit?"))
+ continue;
+ break;
+ }
- for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
- struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
- struct callchain_list *chain;
- char folded_sign = ' '; /* No children */
+ if (es.u.key == NEWT_KEY_LEFT) {
+ const void *top;
- list_for_each_entry(chain, &child->val, list) {
- ++n;
- /* We need this because we may not have children */
- folded_sign = callchain_list__folded(chain);
- if (folded_sign == '+')
- break;
+ 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 (folded_sign == '-') /* Have children and they're unfolded */
- n += callchain_node__count_rows_rb_tree(child);
- }
-
- return n;
-}
+ 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++;
-static int callchain_node__count_rows(struct callchain_node *node)
-{
- struct callchain_list *chain;
- bool unfolded = false;
- int n = 0;
+ 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++;
- list_for_each_entry(chain, &node->val, list) {
- ++n;
- unfolded = chain->ms.unfolded;
- }
+ 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++;
- if (unfolded)
- n += callchain_node__count_rows_rb_tree(node);
+ if (browser->selection->map != NULL &&
+ asprintf(&options[nr_options], "Browse map details") > 0)
+ browse_map = nr_options++;
- return n;
-}
+ options[nr_options++] = (char *)"Exit";
-static int callchain__count_rows(struct rb_root *chain)
-{
- struct rb_node *nd;
- int n = 0;
+ choice = ui__popup_menu(nr_options, options);
- for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
- struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
- n += callchain_node__count_rows(node);
- }
+ for (i = 0; i < nr_options - 1; ++i)
+ free(options[i]);
- return n;
-}
+ if (choice == nr_options - 1)
+ break;
-static bool hist_browser__toggle_fold(struct hist_browser *self)
-{
- if (map_symbol__toggle_fold(self->selection)) {
- struct hist_entry *he = self->he_selection;
+ if (choice == -1)
+ continue;
- hist_entry__init_have_children(he);
- self->hists->nr_entries -= he->nr_rows;
+ if (choice == annotate) {
+ 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");
+ continue;
+ }
- if (he->ms.unfolded)
- he->nr_rows = callchain__count_rows(&he->sorted_chain);
- else
- he->nr_rows = 0;
- self->hists->nr_entries += he->nr_rows;
- self->b.nr_entries = self->hists->nr_entries;
+ he = hist_browser__selected_entry(browser);
+ if (he == NULL)
+ continue;
- return true;
+ hist_entry__tui_annotate(he);
+ } else if (choice == browse_map)
+ map__browse(browser->selection->map);
+ 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), ev_name,
+ dso_filter, thread_filter);
+ hist_browser__reset(browser);
+ } 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), ev_name,
+ dso_filter, thread_filter);
+ hist_browser__reset(browser);
+ }
}
-
- /* If it doesn't have children, no toggling performed */
- return false;
+out_free_stack:
+ pstack__delete(fstack);
+out:
+ hist_browser__delete(browser);
+ return key;
}
-static int hist_browser__run(struct hist_browser *self, const char *title,
- struct newtExitStruct *es)
+int hists__tui_browse_tree(struct rb_root *self, const char *help)
{
- char str[256], unit;
- unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE];
-
- self->b.entries = &self->hists->entries;
- self->b.nr_entries = self->hists->nr_entries;
-
- hist_browser__refresh_dimensions(self);
-
- nr_events = convert_unit(nr_events, &unit);
- snprintf(str, sizeof(str), "Events: %lu%c ",
- nr_events, unit);
- newtDrawRootText(0, 0, str);
-
- if (ui_browser__show(&self->b, title) < 0)
- return -1;
+ struct rb_node *first = rb_first(self), *nd = first, *next;
+ int key = 0;
- newtFormAddHotKey(self->b.form, 'A');
- newtFormAddHotKey(self->b.form, 'a');
- newtFormAddHotKey(self->b.form, '?');
- newtFormAddHotKey(self->b.form, 'h');
- newtFormAddHotKey(self->b.form, 'H');
- newtFormAddHotKey(self->b.form, 'd');
+ while (nd) {
+ struct hists *hists = rb_entry(nd, struct hists, rb_node);
+ const char *ev_name = __event_name(hists->type, hists->config);
- newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
- newtFormAddHotKey(self->b.form, NEWT_KEY_RIGHT);
- newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
+ key = hists__browse(hists, help, ev_name);
- while (1) {
- ui_browser__run(&self->b, es);
+ if (is_exit_key(key))
+ break;
- if (es->reason != NEWT_EXIT_HOTKEY)
+ switch (key) {
+ case NEWT_KEY_TAB:
+ next = rb_next(nd);
+ if (next)
+ nd = next;
break;
- switch (es->u.key) {
- case 'd': { /* Debug */
- static int seq;
- struct hist_entry *h = rb_entry(self->b.first_visible_entry,
- struct hist_entry, rb_node);
- ui_helpline__pop();
- ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
- seq++, self->b.nr_entries,
- self->hists->nr_entries,
- self->b.height,
- self->b.index,
- self->b.first_visible_entry_idx,
- h->row_offset, h->nr_rows);
- }
- continue;
- case NEWT_KEY_ENTER:
- if (hist_browser__toggle_fold(self))
- break;
- /* fall thru */
+ case NEWT_KEY_UNTAB:
+ if (nd == first)
+ continue;
+ nd = rb_prev(nd);
default:
- return 0;
+ break;
}
}
- return 0;
+
+ return key;
}
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff