perf tools: Move UI bits to tools/perf/ui directory
Move those files to new directory in order to be prepared to further UI
work. Makefile and header file pathes are adjusted accordingly.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/1333523666-12057-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
new file mode 100644
index 0000000..4db5186
--- /dev/null
+++ b/tools/perf/ui/browsers/annotate.c
@@ -0,0 +1,673 @@
+#include "../../util/util.h"
+#include "../browser.h"
+#include "../helpline.h"
+#include "../libslang.h"
+#include "../ui.h"
+#include "../util.h"
+#include "../../util/annotate.h"
+#include "../../util/hist.h"
+#include "../../util/sort.h"
+#include "../../util/symbol.h"
+#include <pthread.h>
+#include <newt.h>
+
+struct annotate_browser {
+ struct ui_browser b;
+ struct rb_root entries;
+ struct rb_node *curr_hot;
+ struct objdump_line *selection;
+ u64 start;
+ int nr_asm_entries;
+ int nr_entries;
+ bool hide_src_code;
+ bool use_offset;
+ bool searching_backwards;
+ char search_bf[128];
+};
+
+struct objdump_line_rb_node {
+ struct rb_node rb_node;
+ double percent;
+ u32 idx;
+ int idx_asm;
+};
+
+static inline
+struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
+{
+ return (struct objdump_line_rb_node *)(self + 1);
+}
+
+static bool objdump_line__filter(struct ui_browser *browser, void *entry)
+{
+ struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
+
+ if (ab->hide_src_code) {
+ struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
+ return ol->offset == -1;
+ }
+
+ return false;
+}
+
+static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
+{
+ struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
+ struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
+ bool current_entry = ui_browser__is_current_entry(self, row);
+ bool change_color = (!ab->hide_src_code &&
+ (!current_entry || (self->use_navkeypressed &&
+ !self->navkeypressed)));
+ int width = self->width;
+
+ if (ol->offset != -1) {
+ struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
+ ui_browser__set_percent_color(self, olrb->percent, current_entry);
+ slsmg_printf(" %7.2f ", olrb->percent);
+ } else {
+ ui_browser__set_percent_color(self, 0, current_entry);
+ slsmg_write_nstring(" ", 9);
+ }
+
+ SLsmg_write_char(':');
+ slsmg_write_nstring(" ", 8);
+
+ /* The scroll bar isn't being used */
+ if (!self->navkeypressed)
+ width += 1;
+
+ if (ol->offset != -1 && change_color)
+ ui_browser__set_color(self, HE_COLORSET_CODE);
+
+ if (!*ol->line)
+ slsmg_write_nstring(" ", width - 18);
+ else if (ol->offset == -1)
+ slsmg_write_nstring(ol->line, width - 18);
+ else {
+ char bf[64];
+ u64 addr = ol->offset;
+ int printed, color = -1;
+
+ if (!ab->use_offset)
+ addr += ab->start;
+
+ printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr);
+ if (change_color)
+ color = ui_browser__set_color(self, HE_COLORSET_ADDR);
+ slsmg_write_nstring(bf, printed);
+ if (change_color)
+ ui_browser__set_color(self, color);
+ slsmg_write_nstring(ol->line, width - 18 - printed);
+ }
+
+ if (current_entry)
+ ab->selection = ol;
+}
+
+static double objdump_line__calc_percent(struct objdump_line *self,
+ struct symbol *sym, int evidx)
+{
+ double percent = 0.0;
+
+ if (self->offset != -1) {
+ int len = sym->end - sym->start;
+ unsigned int hits = 0;
+ struct annotation *notes = symbol__annotation(sym);
+ struct source_line *src_line = notes->src->lines;
+ struct sym_hist *h = annotation__histogram(notes, evidx);
+ s64 offset = self->offset;
+ struct objdump_line *next;
+
+ next = objdump__get_next_ip_line(¬es->src->source, self);
+ while (offset < (s64)len &&
+ (next == NULL || offset < next->offset)) {
+ if (src_line) {
+ percent += src_line[offset].percent;
+ } else
+ hits += h->addr[offset];
+
+ ++offset;
+ }
+ /*
+ * If the percentage wasn't already calculated in
+ * symbol__get_source_line, do it now:
+ */
+ if (src_line == NULL && h->sum)
+ percent = 100.0 * hits / h->sum;
+ }
+
+ return percent;
+}
+
+static void objdump__insert_line(struct rb_root *self,
+ struct objdump_line_rb_node *line)
+{
+ struct rb_node **p = &self->rb_node;
+ struct rb_node *parent = NULL;
+ struct objdump_line_rb_node *l;
+
+ while (*p != NULL) {
+ parent = *p;
+ l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
+ if (line->percent < l->percent)
+ p = &(*p)->rb_left;
+ else
+ p = &(*p)->rb_right;
+ }
+ rb_link_node(&line->rb_node, parent, p);
+ rb_insert_color(&line->rb_node, self);
+}
+
+static void annotate_browser__set_top(struct annotate_browser *self,
+ struct objdump_line *pos, u32 idx)
+{
+ unsigned back;
+
+ ui_browser__refresh_dimensions(&self->b);
+ back = self->b.height / 2;
+ self->b.top_idx = self->b.index = idx;
+
+ while (self->b.top_idx != 0 && back != 0) {
+ pos = list_entry(pos->node.prev, struct objdump_line, node);
+
+ if (objdump_line__filter(&self->b, &pos->node))
+ continue;
+
+ --self->b.top_idx;
+ --back;
+ }
+
+ self->b.top = pos;
+ self->b.navkeypressed = true;
+}
+
+static void annotate_browser__set_rb_top(struct annotate_browser *browser,
+ struct rb_node *nd)
+{
+ struct objdump_line_rb_node *rbpos;
+ struct objdump_line *pos;
+
+ rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
+ pos = ((struct objdump_line *)rbpos) - 1;
+ annotate_browser__set_top(browser, pos, rbpos->idx);
+ browser->curr_hot = nd;
+}
+
+static void annotate_browser__calc_percent(struct annotate_browser *browser,
+ int evidx)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+ struct annotation *notes = symbol__annotation(sym);
+ struct objdump_line *pos;
+
+ browser->entries = RB_ROOT;
+
+ pthread_mutex_lock(¬es->lock);
+
+ list_for_each_entry(pos, ¬es->src->source, node) {
+ struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
+ rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
+ if (rbpos->percent < 0.01) {
+ RB_CLEAR_NODE(&rbpos->rb_node);
+ continue;
+ }
+ objdump__insert_line(&browser->entries, rbpos);
+ }
+ pthread_mutex_unlock(¬es->lock);
+
+ browser->curr_hot = rb_last(&browser->entries);
+}
+
+static bool annotate_browser__toggle_source(struct annotate_browser *browser)
+{
+ struct objdump_line *ol;
+ struct objdump_line_rb_node *olrb;
+ off_t offset = browser->b.index - browser->b.top_idx;
+
+ browser->b.seek(&browser->b, offset, SEEK_CUR);
+ ol = list_entry(browser->b.top, struct objdump_line, node);
+ olrb = objdump_line__rb(ol);
+
+ if (browser->hide_src_code) {
+ if (olrb->idx_asm < offset)
+ offset = olrb->idx;
+
+ browser->b.nr_entries = browser->nr_entries;
+ browser->hide_src_code = false;
+ browser->b.seek(&browser->b, -offset, SEEK_CUR);
+ browser->b.top_idx = olrb->idx - offset;
+ browser->b.index = olrb->idx;
+ } else {
+ if (olrb->idx_asm < 0) {
+ ui_helpline__puts("Only available for assembly lines.");
+ browser->b.seek(&browser->b, -offset, SEEK_CUR);
+ return false;
+ }
+
+ if (olrb->idx_asm < offset)
+ offset = olrb->idx_asm;
+
+ browser->b.nr_entries = browser->nr_asm_entries;
+ browser->hide_src_code = true;
+ browser->b.seek(&browser->b, -offset, SEEK_CUR);
+ browser->b.top_idx = olrb->idx_asm - offset;
+ browser->b.index = olrb->idx_asm;
+ }
+
+ return true;
+}
+
+static bool annotate_browser__callq(struct annotate_browser *browser,
+ int evidx, void (*timer)(void *arg),
+ void *arg, int delay_secs)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+ struct annotation *notes;
+ struct symbol *target;
+ char *s = strstr(browser->selection->line, "callq ");
+ u64 ip;
+
+ if (s == NULL)
+ return false;
+
+ s = strchr(s, ' ');
+ if (s++ == NULL) {
+ ui_helpline__puts("Invallid callq instruction.");
+ return true;
+ }
+
+ ip = strtoull(s, NULL, 16);
+ ip = ms->map->map_ip(ms->map, ip);
+ target = map__find_symbol(ms->map, ip, NULL);
+ if (target == NULL) {
+ ui_helpline__puts("The called function was not found.");
+ return true;
+ }
+
+ notes = symbol__annotation(target);
+ pthread_mutex_lock(¬es->lock);
+
+ if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
+ pthread_mutex_unlock(¬es->lock);
+ ui__warning("Not enough memory for annotating '%s' symbol!\n",
+ target->name);
+ return true;
+ }
+
+ pthread_mutex_unlock(¬es->lock);
+ symbol__tui_annotate(target, ms->map, evidx, timer, arg, delay_secs);
+ ui_browser__show_title(&browser->b, sym->name);
+ return true;
+}
+
+static struct objdump_line *
+ annotate_browser__find_offset(struct annotate_browser *browser,
+ s64 offset, s64 *idx)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+ struct annotation *notes = symbol__annotation(sym);
+ struct objdump_line *pos;
+
+ *idx = 0;
+ list_for_each_entry(pos, ¬es->src->source, node) {
+ if (pos->offset == offset)
+ return pos;
+ if (!objdump_line__filter(&browser->b, &pos->node))
+ ++*idx;
+ }
+
+ return NULL;
+}
+
+static bool annotate_browser__jump(struct annotate_browser *browser)
+{
+ const char *jumps[] = { "je ", "jne ", "ja ", "jmpq ", "js ", "jmp ", NULL };
+ struct objdump_line *line;
+ s64 idx, offset;
+ char *s = NULL;
+ int i = 0;
+
+ while (jumps[i]) {
+ s = strstr(browser->selection->line, jumps[i++]);
+ if (s)
+ break;
+ }
+
+ if (s == NULL)
+ return false;
+
+ s = strchr(s, '+');
+ if (s++ == NULL) {
+ ui_helpline__puts("Invallid jump instruction.");
+ return true;
+ }
+
+ offset = strtoll(s, NULL, 16);
+ line = annotate_browser__find_offset(browser, offset, &idx);
+ if (line == NULL) {
+ ui_helpline__puts("Invallid jump offset");
+ return true;
+ }
+
+ annotate_browser__set_top(browser, line, idx);
+
+ return true;
+}
+
+static struct objdump_line *
+ annotate_browser__find_string(struct annotate_browser *browser,
+ char *s, s64 *idx)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+ struct annotation *notes = symbol__annotation(sym);
+ struct objdump_line *pos = browser->selection;
+
+ *idx = browser->b.index;
+ list_for_each_entry_continue(pos, ¬es->src->source, node) {
+ if (objdump_line__filter(&browser->b, &pos->node))
+ continue;
+
+ ++*idx;
+
+ if (pos->line && strstr(pos->line, s) != NULL)
+ return pos;
+ }
+
+ return NULL;
+}
+
+static bool __annotate_browser__search(struct annotate_browser *browser)
+{
+ struct objdump_line *line;
+ s64 idx;
+
+ line = annotate_browser__find_string(browser, browser->search_bf, &idx);
+ if (line == NULL) {
+ ui_helpline__puts("String not found!");
+ return false;
+ }
+
+ annotate_browser__set_top(browser, line, idx);
+ browser->searching_backwards = false;
+ return true;
+}
+
+static struct objdump_line *
+ annotate_browser__find_string_reverse(struct annotate_browser *browser,
+ char *s, s64 *idx)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+ struct annotation *notes = symbol__annotation(sym);
+ struct objdump_line *pos = browser->selection;
+
+ *idx = browser->b.index;
+ list_for_each_entry_continue_reverse(pos, ¬es->src->source, node) {
+ if (objdump_line__filter(&browser->b, &pos->node))
+ continue;
+
+ --*idx;
+
+ if (pos->line && strstr(pos->line, s) != NULL)
+ return pos;
+ }
+
+ return NULL;
+}
+
+static bool __annotate_browser__search_reverse(struct annotate_browser *browser)
+{
+ struct objdump_line *line;
+ s64 idx;
+
+ line = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx);
+ if (line == NULL) {
+ ui_helpline__puts("String not found!");
+ return false;
+ }
+
+ annotate_browser__set_top(browser, line, idx);
+ browser->searching_backwards = true;
+ return true;
+}
+
+static bool annotate_browser__search_window(struct annotate_browser *browser,
+ int delay_secs)
+{
+ if (ui_browser__input_window("Search", "String: ", browser->search_bf,
+ "ENTER: OK, ESC: Cancel",
+ delay_secs * 2) != K_ENTER ||
+ !*browser->search_bf)
+ return false;
+
+ return true;
+}
+
+static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs)
+{
+ if (annotate_browser__search_window(browser, delay_secs))
+ return __annotate_browser__search(browser);
+
+ return false;
+}
+
+static bool annotate_browser__continue_search(struct annotate_browser *browser,
+ int delay_secs)
+{
+ if (!*browser->search_bf)
+ return annotate_browser__search(browser, delay_secs);
+
+ return __annotate_browser__search(browser);
+}
+
+static bool annotate_browser__search_reverse(struct annotate_browser *browser,
+ int delay_secs)
+{
+ if (annotate_browser__search_window(browser, delay_secs))
+ return __annotate_browser__search_reverse(browser);
+
+ return false;
+}
+
+static
+bool annotate_browser__continue_search_reverse(struct annotate_browser *browser,
+ int delay_secs)
+{
+ if (!*browser->search_bf)
+ return annotate_browser__search_reverse(browser, delay_secs);
+
+ return __annotate_browser__search_reverse(browser);
+}
+
+static int annotate_browser__run(struct annotate_browser *self, int evidx,
+ void(*timer)(void *arg),
+ void *arg, int delay_secs)
+{
+ struct rb_node *nd = NULL;
+ struct map_symbol *ms = self->b.priv;
+ struct symbol *sym = ms->sym;
+ const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, "
+ "H: Go to hottest line, ->/ENTER: Line action, "
+ "O: Toggle offset view, "
+ "S: Toggle source code view";
+ int key;
+
+ if (ui_browser__show(&self->b, sym->name, help) < 0)
+ return -1;
+
+ annotate_browser__calc_percent(self, evidx);
+
+ if (self->curr_hot) {
+ annotate_browser__set_rb_top(self, self->curr_hot);
+ self->b.navkeypressed = false;
+ }
+
+ nd = self->curr_hot;
+
+ while (1) {
+ key = ui_browser__run(&self->b, delay_secs);
+
+ if (delay_secs != 0) {
+ annotate_browser__calc_percent(self, evidx);
+ /*
+ * Current line focus got out of the list of most active
+ * lines, NULL it so that if TAB|UNTAB is pressed, we
+ * move to curr_hot (current hottest line).
+ */
+ if (nd != NULL && RB_EMPTY_NODE(nd))
+ nd = NULL;
+ }
+
+ switch (key) {
+ case K_TIMER:
+ if (timer != NULL)
+ timer(arg);
+
+ if (delay_secs != 0)
+ symbol__annotate_decay_histogram(sym, evidx);
+ continue;
+ case K_TAB:
+ if (nd != NULL) {
+ nd = rb_prev(nd);
+ if (nd == NULL)
+ nd = rb_last(&self->entries);
+ } else
+ nd = self->curr_hot;
+ break;
+ case K_UNTAB:
+ if (nd != NULL)
+ nd = rb_next(nd);
+ if (nd == NULL)
+ nd = rb_first(&self->entries);
+ else
+ nd = self->curr_hot;
+ break;
+ case 'H':
+ case 'h':
+ nd = self->curr_hot;
+ break;
+ case 'S':
+ case 's':
+ if (annotate_browser__toggle_source(self))
+ ui_helpline__puts(help);
+ continue;
+ case 'O':
+ case 'o':
+ self->use_offset = !self->use_offset;
+ continue;
+ case '/':
+ if (annotate_browser__search(self, delay_secs)) {
+show_help:
+ ui_helpline__puts(help);
+ }
+ continue;
+ case 'n':
+ if (self->searching_backwards ?
+ annotate_browser__continue_search_reverse(self, delay_secs) :
+ annotate_browser__continue_search(self, delay_secs))
+ goto show_help;
+ continue;
+ case '?':
+ if (annotate_browser__search_reverse(self, delay_secs))
+ goto show_help;
+ continue;
+ case K_ENTER:
+ case K_RIGHT:
+ if (self->selection == NULL)
+ ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
+ else if (self->selection->offset == -1)
+ ui_helpline__puts("Actions are only available for assembly lines.");
+ else if (!(annotate_browser__jump(self) ||
+ annotate_browser__callq(self, evidx, timer, arg, delay_secs)))
+ ui_helpline__puts("Actions are only available for the 'callq' and jump instructions.");
+ continue;
+ case K_LEFT:
+ case K_ESC:
+ case 'q':
+ case CTRL('c'):
+ goto out;
+ default:
+ continue;
+ }
+
+ if (nd != NULL)
+ annotate_browser__set_rb_top(self, nd);
+ }
+out:
+ ui_browser__hide(&self->b);
+ return key;
+}
+
+int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
+ void(*timer)(void *arg), void *arg, int delay_secs)
+{
+ return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
+ timer, arg, delay_secs);
+}
+
+int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
+ void(*timer)(void *arg), void *arg,
+ int delay_secs)
+{
+ struct objdump_line *pos, *n;
+ struct annotation *notes;
+ struct map_symbol ms = {
+ .map = map,
+ .sym = sym,
+ };
+ struct annotate_browser browser = {
+ .b = {
+ .refresh = ui_browser__list_head_refresh,
+ .seek = ui_browser__list_head_seek,
+ .write = annotate_browser__write,
+ .filter = objdump_line__filter,
+ .priv = &ms,
+ .use_navkeypressed = true,
+ },
+ };
+ int ret;
+
+ if (sym == NULL)
+ return -1;
+
+ if (map->dso->annotate_warned)
+ return -1;
+
+ if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
+ ui__error("%s", ui_helpline__last_msg);
+ return -1;
+ }
+
+ ui_helpline__push("Press <- or ESC to exit");
+
+ notes = symbol__annotation(sym);
+ browser.start = map__rip_2objdump(map, sym->start);
+
+ list_for_each_entry(pos, ¬es->src->source, node) {
+ struct objdump_line_rb_node *rbpos;
+ size_t line_len = strlen(pos->line);
+
+ if (browser.b.width < line_len)
+ browser.b.width = line_len;
+ rbpos = objdump_line__rb(pos);
+ rbpos->idx = browser.nr_entries++;
+ if (pos->offset != -1)
+ rbpos->idx_asm = browser.nr_asm_entries++;
+ else
+ rbpos->idx_asm = -1;
+ }
+
+ browser.b.nr_entries = browser.nr_entries;
+ browser.b.entries = ¬es->src->source,
+ browser.b.width += 18; /* Percentage */
+ ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
+ list_for_each_entry_safe(pos, n, ¬es->src->source, node) {
+ list_del(&pos->node);
+ objdump_line__free(pos);
+ }
+ return ret;
+}