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author | Ingo Molnar <mingo@elte.hu> | 2010-06-25 14:16:44 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-06-25 14:16:44 (GMT) |
commit | 9a15a07fe2175dc25cd928a354b3839f562ac8cc (patch) | |
tree | 09b470f3cf153c1d4f621cafc475ca1d22f7f6d3 /tools/perf/util | |
parent | ffabd99e051e73344efe4e53d58f11643f180512 (diff) | |
parent | 830f4c803196eec181e209110885c4ac130f3805 (diff) | |
download | linux-fsl-qoriq-9a15a07fe2175dc25cd928a354b3839f562ac8cc.tar.xz |
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/newt.c | 185 |
1 files changed, 108 insertions, 77 deletions
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c index cf182ca..7bdbfd3 100644 --- a/tools/perf/util/newt.c +++ b/tools/perf/util/newt.c @@ -267,9 +267,48 @@ struct ui_browser { void *first_visible_entry, *entries; u16 top, left, width, height; void *priv; + unsigned int (*refresh_entries)(struct ui_browser *self); + void (*seek)(struct ui_browser *self, + off_t offset, int whence); u32 nr_entries; }; +static void ui_browser__list_head_seek(struct ui_browser *self, + off_t offset, int whence) +{ + struct list_head *head = self->entries; + struct list_head *pos; + + switch (whence) { + case SEEK_SET: + pos = head->next; + break; + case SEEK_CUR: + pos = self->first_visible_entry; + break; + case SEEK_END: + pos = head->prev; + break; + default: + return; + } + + if (offset > 0) { + while (offset-- != 0) + pos = pos->next; + } else { + while (offset++ != 0) + pos = pos->prev; + } + + self->first_visible_entry = pos; +} + +static bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row) +{ + return (self->first_visible_entry_idx + row) == self->index; +} + static void ui_browser__refresh_dimensions(struct ui_browser *self) { int cols, rows; @@ -286,8 +325,34 @@ static void ui_browser__refresh_dimensions(struct ui_browser *self) static void ui_browser__reset_index(struct ui_browser *self) { - self->index = self->first_visible_entry_idx = 0; - self->first_visible_entry = NULL; + self->index = self->first_visible_entry_idx = 0; + self->seek(self, 0, SEEK_SET); +} + +static int ui_browser__show(struct ui_browser *self, const char *title) +{ + if (self->form != NULL) + return 0; + 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); + newtFormAddComponent(self->form, self->sb); + return 0; } static int objdump_line__show(struct objdump_line *self, struct list_head *head, @@ -341,26 +406,10 @@ static int objdump_line__show(struct objdump_line *self, struct list_head *head, 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; - } + int row; + newtScrollbarSet(self->sb, self->index, self->nr_entries - 1); + row = self->refresh_entries(self); SLsmg_set_color(HE_COLORSET_NORMAL); SLsmg_fill_region(self->top + row, self->left, self->height - row, self->width, ' '); @@ -368,42 +417,13 @@ static int ui_browser__refresh_entries(struct ui_browser *self) return 0; } -static int ui_browser__run(struct ui_browser *self, const char *title, - struct newtExitStruct *es) +static int ui_browser__run(struct ui_browser *self, 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, ' '); - newtFormAddHotKey(self->form, NEWT_KEY_HOME); - newtFormAddHotKey(self->form, NEWT_KEY_END); - newtFormAddHotKey(self->form, NEWT_KEY_TAB); - newtFormAddHotKey(self->form, NEWT_KEY_RIGHT); - if (ui_browser__refresh_entries(self) < 0) return -1; - newtFormAddComponent(self->form, self->sb); while (1) { - unsigned int offset; + off_t offset; newtFormRun(self->form, es); @@ -417,9 +437,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title, 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; + self->seek(self, +1, SEEK_CUR); } break; case NEWT_KEY_UP: @@ -427,9 +446,8 @@ static int ui_browser__run(struct ui_browser *self, const char *title, 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; + self->seek(self, -1, SEEK_CUR); } break; case NEWT_KEY_PGDN: @@ -442,12 +460,7 @@ static int ui_browser__run(struct ui_browser *self, const char *title, 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; - } - + self->seek(self, +offset, SEEK_CUR); break; case NEWT_KEY_PGUP: if (self->first_visible_entry_idx == 0) @@ -460,29 +473,19 @@ static int ui_browser__run(struct ui_browser *self, const char *title, 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; - } + self->seek(self, -offset, SEEK_CUR); break; case NEWT_KEY_HOME: ui_browser__reset_index(self); break; - case NEWT_KEY_END: { - struct list_head *head = self->entries; + case NEWT_KEY_END: 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; - } - } + self->seek(self, -offset, SEEK_END); break; case NEWT_KEY_RIGHT: case NEWT_KEY_LEFT: @@ -539,6 +542,31 @@ static char *callchain_list__sym_name(struct callchain_list *self, return bf; } +static unsigned int hist_entry__annotate_browser_refresh(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 = ui_browser__is_current_entry(self, row); + SLsmg_gotorc(self->top + row, self->left); + objdump_line__show(pos, head, self->width, + he, len, current_entry); + if (++row == self->height) + break; + } + + return row; +} + static void __callchain__append_graph_browser(struct callchain_node *self, newtComponent tree, u64 total, int *indexes, int depth) @@ -701,7 +729,9 @@ int hist_entry__tui_annotate(struct hist_entry *self) ui_helpline__push("Press <- or ESC to exit"); memset(&browser, 0, sizeof(browser)); - browser.entries = &head; + browser.entries = &head; + browser.refresh_entries = hist_entry__annotate_browser_refresh; + browser.seek = ui_browser__list_head_seek; browser.priv = self; list_for_each_entry(pos, &head, node) { size_t line_len = strlen(pos->line); @@ -711,7 +741,8 @@ int hist_entry__tui_annotate(struct hist_entry *self) } browser.width += 18; /* Percentage */ - ret = ui_browser__run(&browser, self->ms.sym->name, &es); + ui_browser__show(&browser, self->ms.sym->name); + ui_browser__run(&browser, &es); newtFormDestroy(browser.form); newtPopWindow(); list_for_each_entry_safe(pos, n, &head, node) { |