Commit-ID: 5b91a86f47669898d6f2fe625844ab65cf258c34
Gitweb: http://git.kernel.org/tip/5b91a86f47669898d6f2fe625844ab65cf258c34
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Mon, 20 Jun 2016 23:58:15 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 22 Jun 2016 09:56:34 -0300
perf hists browser: Introduce struct hist_browser title callback
We can now setup title callback for hist_browser, which will be useful
in following changes to create customized hist_browsers.
This also separates struct perf_evsel dependency out of hist_browser
basic code.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1466459899-1166-5-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/browsers/hists.c | 21 +++++++++++++--------
tools/perf/ui/browsers/hists.h | 4 ++++
2 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 539b690..a74cbd3 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -21,9 +21,8 @@
extern void hist_browser__init_hpp(void);
-static int hists__browser_title(struct hists *hists,
- struct hist_browser_timer *hbt,
- char *bf, size_t size);
+static int perf_evsel_browser_title(struct hist_browser *browser,
+ char *bf, size_t size);
static void hist_browser__update_nr_entries(struct hist_browser *hb);
static struct rb_node *hists__filter_entries(struct rb_node *nd,
@@ -568,6 +567,11 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser)
"Or reduce the sampling frequency.");
}
+static int hist_browser__title(struct hist_browser *browser, char *bf, size_t size)
+{
+ return browser->title ? browser->title(browser, bf, size) : 0;
+}
+
int hist_browser__run(struct hist_browser *browser, const char *help)
{
int key;
@@ -578,7 +582,7 @@ int hist_browser__run(struct hist_browser *browser, const char *help)
browser->b.entries = &browser->hists->entries;
browser->b.nr_entries = hist_browser__nr_entries(browser);
- hists__browser_title(browser->hists, hbt, title, sizeof(title));
+ hist_browser__title(browser, title, sizeof(title));
if (ui_browser__show(&browser->b, title, "%s", help) < 0)
return -1;
@@ -604,8 +608,7 @@ int hist_browser__run(struct hist_browser *browser, const char *help)
ui_browser__warn_lost_events(&browser->b);
}
- hists__browser_title(browser->hists,
- hbt, title, sizeof(title));
+ hist_browser__title(browser, title, sizeof(title));
ui_browser__show_title(&browser->b, title);
continue;
}
@@ -2054,6 +2057,7 @@ struct hist_browser *hist_browser__new(struct hists *hists,
browser->show_headers = symbol_conf.show_hist_headers;
browser->hbt = hbt;
browser->env = env;
+ browser->title = perf_evsel_browser_title;
}
return browser;
@@ -2080,10 +2084,11 @@ static inline bool is_report_browser(void *timer)
return timer == NULL;
}
-static int hists__browser_title(struct hists *hists,
- struct hist_browser_timer *hbt,
+static int perf_evsel_browser_title(struct hist_browser *browser,
char *bf, size_t size)
{
+ struct hist_browser_timer *hbt = browser->hbt;
+ struct hists *hists = browser->hists;
char unit;
int printed;
const struct dso *dso = hists->dso_filter;
diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h
index 57b7764..cf9d049 100644
--- a/tools/perf/ui/browsers/hists.h
+++ b/tools/perf/ui/browsers/hists.h
@@ -18,6 +18,10 @@ struct hist_browser {
u64 nr_non_filtered_entries;
u64 nr_hierarchy_entries;
u64 nr_callchain_rows;
+
+ /* Get title string. */
+ int (*title)(struct hist_browser *browser,
+ char *bf, size_t size);
};
struct hist_browser *hist_browser__new(struct hists *hists,
--
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