perf ui progress: Per progress bar state
That will ease using a progress bar across multiple functions, like in
the upcoming patches that will present a progress bar when collapsing
histograms.
Based on a previous patch by Namhyung Kim.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-cr7lq7ud9fj21bg7wvq27w1u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/gtk/progress.c b/tools/perf/ui/gtk/progress.c
index 195c7f9..b656655 100644
--- a/tools/perf/ui/gtk/progress.c
+++ b/tools/perf/ui/gtk/progress.c
@@ -7,14 +7,14 @@
static GtkWidget *dialog;
static GtkWidget *progress;
-static void gtk_ui_progress__update(u64 curr, u64 total, const char *title)
+static void gtk_ui_progress__update(struct ui_progress *p)
{
- double fraction = total ? 1.0 * curr / total : 0.0;
+ double fraction = p->total ? 1.0 * p->curr / p->total : 0.0;
char buf[1024];
if (dialog == NULL) {
GtkWidget *vbox = gtk_vbox_new(TRUE, 5);
- GtkWidget *label = gtk_label_new(title);
+ GtkWidget *label = gtk_label_new(p->title);
dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
progress = gtk_progress_bar_new();
@@ -32,7 +32,7 @@
}
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction);
- snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, curr, total);
+ snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, p->curr, p->total);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf);
/* we didn't call gtk_main yet, so do it manually */
diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c
index d753821..a0f24c7 100644
--- a/tools/perf/ui/progress.c
+++ b/tools/perf/ui/progress.c
@@ -1,9 +1,7 @@
#include "../cache.h"
#include "progress.h"
-static void null_progress__update(u64 curr __maybe_unused,
- u64 total __maybe_unused,
- const char *title __maybe_unused)
+static void null_progress__update(struct ui_progress *p __maybe_unused)
{
}
@@ -14,9 +12,23 @@
struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
-void ui_progress__update(u64 curr, u64 total, const char *title)
+void ui_progress__update(struct ui_progress *p, u64 adv)
{
- return ui_progress__ops->update(curr, total, title);
+ p->curr += adv;
+
+ if (p->curr >= p->next) {
+ p->next += p->step;
+ ui_progress__ops->update(p);
+ }
+}
+
+void ui_progress__init(struct ui_progress *p, u64 total, const char *title)
+{
+ p->curr = 0;
+ p->next = p->step = total / 16;
+ p->total = total;
+ p->title = title;
+
}
void ui_progress__finish(void)
diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h
index d41bde5..29ec8ef 100644
--- a/tools/perf/ui/progress.h
+++ b/tools/perf/ui/progress.h
@@ -3,14 +3,21 @@
#include <../types.h>
+void ui_progress__finish(void);
+
+struct ui_progress {
+ const char *title;
+ u64 curr, next, step, total;
+};
+
+void ui_progress__init(struct ui_progress *p, u64 total, const char *title);
+void ui_progress__update(struct ui_progress *p, u64 adv);
+
struct ui_progress_ops {
- void (*update)(u64, u64, const char *);
+ void (*update)(struct ui_progress *p);
void (*finish)(void);
};
extern struct ui_progress_ops *ui_progress__ops;
-void ui_progress__update(u64 curr, u64 total, const char *title);
-void ui_progress__finish(void);
-
#endif
diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c
index 0fcc5a1..3e2d936 100644
--- a/tools/perf/ui/tui/progress.c
+++ b/tools/perf/ui/tui/progress.c
@@ -5,7 +5,7 @@
#include "tui.h"
#include "../browser.h"
-static void tui_progress__update(u64 curr, u64 total, const char *title)
+static void tui_progress__update(struct ui_progress *p)
{
int bar, y;
/*
@@ -15,7 +15,7 @@
if (use_browser <= 0)
return;
- if (total == 0)
+ if (p->total == 0)
return;
ui__refresh_dimensions(true);
@@ -24,9 +24,9 @@
SLsmg_set_color(0);
SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols);
SLsmg_gotorc(y++, 1);
- SLsmg_write_string((char *)title);
+ SLsmg_write_string((char *)p->title);
SLsmg_set_color(HE_COLORSET_SELECTED);
- bar = ((SLtt_Screen_Cols - 2) * curr) / total;
+ bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total;
SLsmg_fill_region(y, 1, 1, bar, ' ');
SLsmg_refresh();
pthread_mutex_unlock(&ui__lock);