From: Namhyung Kim <namhyung....@lge.com>
Press '/' key to input filter string like main hist browser does.
Requested-by: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/ui/browsers/log.c | 62 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 61 insertions(+), 1 deletion(-)
diff --git a/tools/perf/ui/browsers/log.c b/tools/perf/ui/browsers/log.c
index 592e2774e919..84b708073441 100644
--- a/tools/perf/ui/browsers/log.c
+++ b/tools/perf/ui/browsers/log.c
@@ -25,7 +25,7 @@ static void ui_browser__file_write(struct ui_browser *browser,
char empty[] = " ";
FILE *fp = perf_log.fp;
bool current_entry = ui_browser__is_current_entry(browser, row);
- off_t *linemap = perf_log.linemap;
+ off_t *linemap = browser->entries;
unsigned int idx = *(unsigned int *)entry;
unsigned long offset = (unsigned long)browser->priv;
@@ -59,9 +59,60 @@ static unsigned int ui_browser__file_refresh(struct
ui_browser *browser)
return row;
}
+static void log_menu__filter(struct ui_browser *menu, char *filter)
+{
+ char buf[1024];
+ off_t *linemap = NULL;
+ u32 lines = 0;
+ u32 alloc = 0;
+ u32 i;
+
+ if (*filter == '\0') {
+ linemap = perf_log.linemap;
+ lines = perf_log.lines;
+ goto out;
+ }
+
+ if (menu->entries != perf_log.linemap)
+ free(menu->entries);
+
+ for (i = 0; i < perf_log.lines; i++) {
+ fseek(perf_log.fp, perf_log.linemap[i], SEEK_SET);
+ if (fgets(buf, sizeof(buf), perf_log.fp) == NULL)
+ goto error;
+
+ if (strstr(buf, filter) == NULL)
+ continue;
+
+ if (lines == alloc) {
+ off_t *map;
+
+ map = realloc(linemap, (alloc + 128) *
sizeof(*linemap));
+ if (map == NULL)
+ goto error;
+
+ linemap = map;
+ alloc += 128;
+ }
+
+ linemap[lines++] = perf_log.linemap[i];
+ }
+out:
+ menu->entries = linemap;
+ menu->nr_entries = lines;
+
+ menu->top_idx = 0;
+ menu->index = 0;
+ return;
+
+error:
+ free(linemap);
+}
+
static int log_menu__run(struct ui_browser *menu)
{
int key;
+ char buf[64];
unsigned long offset;
if (ui_browser__show(menu, "Log messages", "Press 'q' to exit") < 0)
@@ -82,6 +133,14 @@ static int log_menu__run(struct ui_browser *menu)
offset -= 10;
menu->priv = (void *)offset;
continue;
+ case '/':
+ if (ui_browser__input_window("Symbol to show",
+ "Please enter the name of symbol you
want to see",
+ buf, "ENTER: OK, ESC: Cancel",
+ 0) == K_ENTER) {
+ log_menu__filter(menu, buf);
+ }
+ continue;
case K_ESC:
case 'q':
case CTRL('c'):
@@ -104,6 +163,7 @@ int tui__log_window(void)
.refresh = ui_browser__file_refresh,
.seek = ui_browser__file_seek,
.write = ui_browser__file_write,
+ .entries = perf_log.linemap,
.nr_entries = perf_log.lines,
};
--
1.7.11.7
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