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@@ -0,0 +1,194 @@
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+#define _GNU_SOURCE
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+#include <stdio.h>
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+#undef _GNU_SOURCE
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+
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+#include <stdlib.h>
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+#include <newt.h>
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+
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+#include "cache.h"
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+#include "hist.h"
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+#include "session.h"
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+#include "sort.h"
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+#include "symbol.h"
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+
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+static size_t hist_entry__append_browser(struct hist_entry *self,
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+ newtComponent listbox, u64 total)
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+{
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+ char bf[1024];
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+ size_t len;
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+ FILE *fp;
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+
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+ if (symbol_conf.exclude_other && !self->parent)
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+ return 0;
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+
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+ fp = fmemopen(bf, sizeof(bf), "w");
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+ if (fp == NULL)
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+ return 0;
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+
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+ len = hist_entry__fprintf(self, NULL, false, 0, fp, total);
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+
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+ fclose(fp);
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+ newtListboxAppendEntry(listbox, bf, self);
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+ return len;
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+}
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+
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+static void hist_entry__annotate_browser(struct hist_entry *self)
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+{
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+ FILE *fp;
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+ struct winsize ws;
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+ newtComponent form, listbox;
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+ struct newtExitStruct es;
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+ char *str;
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+ size_t line_len, max_line_len = 0;
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+ size_t max_usable_width;
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+ char *line = NULL;
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+
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+ if (self->sym == NULL)
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+ return;
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+
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+ if (asprintf(&str, "perf annotate %s | expand", self->sym->name) < 0)
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+ return;
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+
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+ fp = popen(str, "r");
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+ if (fp == NULL)
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+ goto out_free_str;
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+
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+ newtPushHelpLine("Press ESC to exit");
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+ get_term_dimensions(&ws);
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+ listbox = newtListbox(0, 0, ws.ws_row - 5, NEWT_FLAG_SCROLL);
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+
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+ while (!feof(fp)) {
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+ if (getline(&line, &line_len, fp) < 0 || !line_len)
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+ break;
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+ while (line_len != 0 && isspace(line[line_len - 1]))
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+ line[--line_len] = '\0';
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+
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+ if (line_len > max_line_len)
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+ max_line_len = line_len;
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+ newtListboxAppendEntry(listbox, line, NULL);
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+ }
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+ fclose(fp);
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+ free(line);
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+
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+ max_usable_width = ws.ws_col - 22;
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+ if (max_line_len > max_usable_width)
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+ max_line_len = max_usable_width;
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+
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+ newtListboxSetWidth(listbox, max_line_len);
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+
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+ newtCenteredWindow(max_line_len + 2, ws.ws_row - 5, self->sym->name);
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+ form = newtForm(NULL, NULL, 0);
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+ newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
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+ newtFormAddComponents(form, listbox, NULL);
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+
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+ newtFormRun(form, &es);
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+ newtFormDestroy(form);
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+ newtPopWindow();
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+ newtPopHelpLine();
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+out_free_str:
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+ free(str);
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+}
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+
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+void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
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+ const char *helpline)
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+{
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+ struct sort_entry *se;
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+ struct rb_node *nd;
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+ unsigned int width;
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+ char *col_width = symbol_conf.col_width_list_str;
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+ struct winsize ws;
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+ size_t max_len = 0;
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+ char str[1024];
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+ newtComponent form, listbox;
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+ struct newtExitStruct es;
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+
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+ snprintf(str, sizeof(str), "Samples: %Ld", session_total);
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+ newtDrawRootText(0, 0, str);
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+ newtPushHelpLine(helpline);
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+
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+ get_term_dimensions(&ws);
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+
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+ form = newtForm(NULL, NULL, 0);
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+ newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
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+
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+ listbox = newtListbox(1, 1, ws.ws_row - 2, (NEWT_FLAG_SCROLL |
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+ NEWT_FLAG_BORDER |
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+ NEWT_FLAG_RETURNEXIT));
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+
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+ list_for_each_entry(se, &hist_entry__sort_list, list) {
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+ if (se->elide)
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+ continue;
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+ width = strlen(se->header);
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+ if (se->width) {
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+ if (symbol_conf.col_width_list_str) {
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+ if (col_width) {
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+ *se->width = atoi(col_width);
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+ col_width = strchr(col_width, ',');
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+ if (col_width)
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+ ++col_width;
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+ }
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+ }
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+ *se->width = max(*se->width, width);
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+ }
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+ }
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+
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+ for (nd = rb_first(hists); nd; nd = rb_next(nd)) {
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+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
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+ size_t len = hist_entry__append_browser(h, listbox, session_total);
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+ if (len > max_len)
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+ max_len = len;
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+ }
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+
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+ newtListboxSetWidth(listbox, max_len);
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+ newtFormAddComponents(form, listbox, NULL);
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+
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+ while (1) {
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+ struct hist_entry *selection;
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+
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+ newtFormRun(form, &es);
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+ if (es.reason == NEWT_EXIT_HOTKEY)
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+ break;
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+ selection = newtListboxGetCurrent(listbox);
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+ hist_entry__annotate_browser(selection);
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+ }
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+
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+ newtFormDestroy(form);
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+}
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+
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+int browser__show_help(const char *format, va_list ap)
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+{
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+ int ret;
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+ static int backlog;
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+ static char msg[1024];
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+
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+ ret = vsnprintf(msg + backlog, sizeof(msg) - backlog, format, ap);
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+ backlog += ret;
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+
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+ if (msg[backlog - 1] == '\n') {
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+ newtPopHelpLine();
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+ newtPushHelpLine(msg);
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+ newtRefresh();
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+ backlog = 0;
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+ }
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+
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+ return ret;
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+}
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+
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+bool use_browser;
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+
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+void setup_browser(void)
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+{
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+ if (!isatty(1))
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+ return;
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+
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+ use_browser = true;
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+ newtInit();
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+ newtCls();
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+ newtPushHelpLine(" ");
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+}
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+
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+void exit_browser(void)
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+{
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+ if (use_browser)
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+ newtFinished();
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+}
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Arnaldo Carvalho de Melo