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Date: Sun, 23 Oct 2011 17:12:21 -0200
From: Arnaldo Carvalho de Melo <acme@...radead.org>
To: Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Mike Galbraith <efault@....de>,
Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <peterz@...radead.org>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 2/4] perf ui browser: Use libslang to read keys
From: Arnaldo Carvalho de Melo <acme@...hat.com>
Just another step in stopping the use of libnewt in perf.
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-uy6s534uqxq8tenh6s3k8ocj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/Makefile | 1 +
tools/perf/builtin-annotate.c | 8 ++--
tools/perf/util/hist.h | 9 +--
tools/perf/util/ui/browser.c | 79 +++++++++++++++++++++----------
tools/perf/util/ui/browsers/annotate.c | 19 +++----
tools/perf/util/ui/browsers/hists.c | 33 ++++++-------
tools/perf/util/ui/keysyms.h | 25 ++++++++++
tools/perf/util/ui/libslang.h | 2 +
tools/perf/util/ui/setup.c | 13 +++++
9 files changed, 125 insertions(+), 64 deletions(-)
create mode 100644 tools/perf/util/ui/keysyms.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 37fe930..b98e307 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -472,6 +472,7 @@ else
LIB_H += util/ui/browser.h
LIB_H += util/ui/browsers/map.h
LIB_H += util/ui/helpline.h
+ LIB_H += util/ui/keysyms.h
LIB_H += util/ui/libslang.h
LIB_H += util/ui/progress.h
LIB_H += util/ui/util.h
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 3ea764a..46b4c24 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -118,7 +118,7 @@ static void hists__find_annotations(struct hists *self, int evidx,
int nr_events)
{
struct rb_node *nd = rb_first(&self->entries), *next;
- int key = KEY_RIGHT;
+ int key = K_RIGHT;
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
@@ -130,7 +130,7 @@ static void hists__find_annotations(struct hists *self, int evidx,
notes = symbol__annotation(he->ms.sym);
if (notes->src == NULL) {
find_next:
- if (key == KEY_LEFT)
+ if (key == K_LEFT)
nd = rb_prev(nd);
else
nd = rb_next(nd);
@@ -141,10 +141,10 @@ find_next:
key = hist_entry__tui_annotate(he, evidx, nr_events,
NULL, NULL, 0);
switch (key) {
- case KEY_RIGHT:
+ case K_RIGHT:
next = rb_next(nd);
break;
- case KEY_LEFT:
+ case K_LEFT:
next = rb_prev(nd);
break;
default:
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 575bcbc..ff93ddc 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -125,16 +125,13 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
{
return 0;
}
-#define KEY_LEFT -1
-#define KEY_RIGHT -2
+#define K_LEFT -1
+#define K_RIGHT -2
#else
-#include <newt.h>
+#include "ui/keysyms.h"
int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
void(*timer)(void *arg), void *arg, int delay_secs);
-#define KEY_LEFT NEWT_KEY_LEFT
-#define KEY_RIGHT NEWT_KEY_RIGHT
-
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
void(*timer)(void *arg), void *arg,
int refresh);
diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c
index 06fc9eb..5359f37 100644
--- a/tools/perf/util/ui/browser.c
+++ b/tools/perf/util/ui/browser.c
@@ -11,10 +11,9 @@
#include <sys/ttydefaults.h>
#include "browser.h"
#include "helpline.h"
+#include "keysyms.h"
#include "../color.h"
-int newtGetKey(void);
-
static int ui_browser__percent_color(struct ui_browser *browser,
double percent, bool current)
{
@@ -292,16 +291,55 @@ void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
browser->seek(browser, browser->top_idx, SEEK_SET);
}
+static int ui__getch(int delay_secs)
+{
+ struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL;
+ fd_set read_set;
+ int err, key;
+
+ FD_ZERO(&read_set);
+ FD_SET(0, &read_set);
+
+ if (delay_secs) {
+ timeout.tv_sec = delay_secs;
+ timeout.tv_usec = 0;
+ }
+
+ err = select(1, &read_set, NULL, NULL, ptimeout);
+
+ if (err == 0)
+ return K_TIMER;
+
+ if (err == -1) {
+ if (errno == EINTR)
+ return K_RESIZE;
+ return K_ERROR;
+ }
+
+ key = SLang_getkey();
+ if (key != K_ESC)
+ return key;
+
+ FD_ZERO(&read_set);
+ FD_SET(0, &read_set);
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 20;
+ err = select(1, &read_set, NULL, NULL, &timeout);
+ if (err == 0)
+ return K_ESC;
+
+ SLang_ungetkey(key);
+ return SLkp_getkey();
+}
+
int ui_browser__run(struct ui_browser *self, int delay_secs)
{
int err, key;
- struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL;
pthread__unblock_sigwinch();
while (1) {
off_t offset;
- fd_set read_set;
pthread_mutex_lock(&ui__lock);
err = __ui_browser__refresh(self);
@@ -310,20 +348,9 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
if (err < 0)
break;
- FD_ZERO(&read_set);
- FD_SET(0, &read_set);
+ key = ui__getch(delay_secs);
- if (delay_secs) {
- timeout.tv_sec = delay_secs;
- timeout.tv_usec = 0;
- }
-
- err = select(1, &read_set, NULL, NULL, ptimeout);
- if (err > 0 && FD_ISSET(0, &read_set))
- key = newtGetKey();
- else if (err == 0)
- break;
- else {
+ if (key == K_RESIZE) {
pthread_mutex_lock(&ui__lock);
SLtt_get_screen_size();
SLsmg_reinit_smg();
@@ -335,9 +362,9 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
}
if (self->use_navkeypressed && !self->navkeypressed) {
- if (key == NEWT_KEY_DOWN || key == NEWT_KEY_UP ||
- key == NEWT_KEY_PGDN || key == NEWT_KEY_PGUP ||
- key == NEWT_KEY_HOME || key == NEWT_KEY_END ||
+ if (key == K_DOWN || key == K_UP ||
+ key == K_PGDN || key == K_PGUP ||
+ key == K_HOME || key == K_END ||
key == ' ') {
self->navkeypressed = true;
continue;
@@ -346,7 +373,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
}
switch (key) {
- case NEWT_KEY_DOWN:
+ case K_DOWN:
if (self->index == self->nr_entries - 1)
break;
++self->index;
@@ -355,7 +382,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
self->seek(self, +1, SEEK_CUR);
}
break;
- case NEWT_KEY_UP:
+ case K_UP:
if (self->index == 0)
break;
--self->index;
@@ -364,7 +391,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
self->seek(self, -1, SEEK_CUR);
}
break;
- case NEWT_KEY_PGDN:
+ case K_PGDN:
case ' ':
if (self->top_idx + self->height > self->nr_entries - 1)
break;
@@ -376,7 +403,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
self->top_idx += offset;
self->seek(self, +offset, SEEK_CUR);
break;
- case NEWT_KEY_PGUP:
+ case K_PGUP:
if (self->top_idx == 0)
break;
@@ -389,10 +416,10 @@ int ui_browser__run(struct ui_browser *self, int delay_secs)
self->top_idx -= offset;
self->seek(self, -offset, SEEK_CUR);
break;
- case NEWT_KEY_HOME:
+ case K_HOME:
ui_browser__reset_index(self);
break;
- case NEWT_KEY_END:
+ case K_END:
offset = self->height - 1;
if (offset >= self->nr_entries)
offset = self->nr_entries - 1;
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 1a12d8f..4e0cb7f 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -6,6 +6,7 @@
#include "../../sort.h"
#include "../../symbol.h"
#include <pthread.h>
+#include <newt.h>
static void ui__error_window(const char *fmt, ...)
{
@@ -265,18 +266,14 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
}
switch (key) {
- case -1:
- /*
- * FIXME we need to check if it was
- * es.reason == NEWT_EXIT_TIMER
- */
+ case K_TIMER:
if (timer != NULL)
timer(arg);
if (delay_secs != 0)
symbol__annotate_decay_histogram(sym, evidx);
continue;
- case NEWT_KEY_TAB:
+ case K_TAB:
if (nd != NULL) {
nd = rb_prev(nd);
if (nd == NULL)
@@ -284,7 +281,7 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
} else
nd = self->curr_hot;
break;
- case NEWT_KEY_UNTAB:
+ case K_UNTAB:
if (nd != NULL)
nd = rb_next(nd);
if (nd == NULL)
@@ -299,8 +296,8 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
if (annotate_browser__toggle_source(self))
ui_helpline__puts(help);
continue;
- case NEWT_KEY_ENTER:
- case NEWT_KEY_RIGHT:
+ case K_ENTER:
+ case K_RIGHT:
if (self->selection == NULL) {
ui_helpline__puts("Huh? No selection. Report to linux-kernel@...r.kernel.org");
continue;
@@ -350,8 +347,8 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
timer, arg, delay_secs);
}
continue;
- case NEWT_KEY_LEFT:
- case NEWT_KEY_ESCAPE:
+ case K_LEFT:
+ case K_ESC:
case 'q':
case CTRL('c'):
goto out;
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index a06e7d9..af12e6f 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -344,7 +344,7 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
/* Expand the whole world. */
hist_browser__set_folding(self, true);
break;
- case NEWT_KEY_ENTER:
+ case K_ENTER:
if (hist_browser__toggle_fold(self))
break;
/* fall thru */
@@ -872,8 +872,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
}
switch (key) {
- case NEWT_KEY_TAB:
- case NEWT_KEY_UNTAB:
+ case K_TAB:
+ case K_UNTAB:
if (nr_events == 1)
continue;
/*
@@ -891,7 +891,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
goto zoom_dso;
case 't':
goto zoom_thread;
- case NEWT_KEY_F1:
+ case K_F1:
case 'h':
case '?':
ui__help_window("h/?/F1 Show this window\n"
@@ -909,11 +909,11 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
"d Zoom into current DSO\n"
"t Zoom into current Thread\n");
continue;
- case NEWT_KEY_ENTER:
- case NEWT_KEY_RIGHT:
+ case K_ENTER:
+ case K_RIGHT:
/* menu */
break;
- case NEWT_KEY_LEFT: {
+ case K_LEFT: {
const void *top;
if (pstack__empty(fstack)) {
@@ -931,7 +931,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
goto zoom_out_thread;
continue;
}
- case NEWT_KEY_ESCAPE:
+ case K_ESC:
if (!left_exits &&
!ui__dialog_yesno("Do you really want to exit?"))
continue;
@@ -1091,12 +1091,11 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
key = ui_browser__run(&menu->b, delay_secs);
switch (key) {
- case -1:
- /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
+ case K_TIMER:
timer(arg);
continue;
- case NEWT_KEY_RIGHT:
- case NEWT_KEY_ENTER:
+ case K_RIGHT:
+ case K_ENTER:
if (!menu->selection)
continue;
pos = menu->selection;
@@ -1114,19 +1113,19 @@ browse_hists:
arg, delay_secs);
ui_browser__show_title(&menu->b, title);
switch (key) {
- case NEWT_KEY_TAB:
+ case K_TAB:
if (pos->node.next == &evlist->entries)
pos = list_entry(evlist->entries.next, struct perf_evsel, node);
else
pos = list_entry(pos->node.next, struct perf_evsel, node);
goto browse_hists;
- case NEWT_KEY_UNTAB:
+ case K_UNTAB:
if (pos->node.prev == &evlist->entries)
pos = list_entry(evlist->entries.prev, struct perf_evsel, node);
else
pos = list_entry(pos->node.prev, struct perf_evsel, node);
goto browse_hists;
- case NEWT_KEY_ESCAPE:
+ case K_ESC:
if (!ui__dialog_yesno("Do you really want to exit?"))
continue;
/* Fall thru */
@@ -1136,9 +1135,9 @@ browse_hists:
default:
continue;
}
- case NEWT_KEY_LEFT:
+ case K_LEFT:
continue;
- case NEWT_KEY_ESCAPE:
+ case K_ESC:
if (!ui__dialog_yesno("Do you really want to exit?"))
continue;
/* Fall thru */
diff --git a/tools/perf/util/ui/keysyms.h b/tools/perf/util/ui/keysyms.h
new file mode 100644
index 0000000..3458b19
--- /dev/null
+++ b/tools/perf/util/ui/keysyms.h
@@ -0,0 +1,25 @@
+#ifndef _PERF_KEYSYMS_H_
+#define _PERF_KEYSYMS_H_ 1
+
+#include "libslang.h"
+
+#define K_DOWN SL_KEY_DOWN
+#define K_END SL_KEY_END
+#define K_ENTER '\r'
+#define K_ESC 033
+#define K_F1 SL_KEY_F(1)
+#define K_HOME SL_KEY_HOME
+#define K_LEFT SL_KEY_LEFT
+#define K_PGDN SL_KEY_NPAGE
+#define K_PGUP SL_KEY_PPAGE
+#define K_RIGHT SL_KEY_RIGHT
+#define K_TAB '\t'
+#define K_UNTAB SL_KEY_UNTAB
+#define K_UP SL_KEY_UP
+
+/* Not really keys */
+#define K_TIMER -1
+#define K_ERROR -2
+#define K_RESIZE -3
+
+#endif /* _PERF_KEYSYMS_H_ */
diff --git a/tools/perf/util/ui/libslang.h b/tools/perf/util/ui/libslang.h
index 2b63e1c..4d54b64 100644
--- a/tools/perf/util/ui/libslang.h
+++ b/tools/perf/util/ui/libslang.h
@@ -24,4 +24,6 @@
#define sltt_set_color SLtt_set_color
#endif
+#define SL_KEY_UNTAB 0x1000
+
#endif /* _PERF_UI_SLANG_H_ */
diff --git a/tools/perf/util/ui/setup.c b/tools/perf/util/ui/setup.c
index 5111f1a..1e6ba06 100644
--- a/tools/perf/util/ui/setup.c
+++ b/tools/perf/util/ui/setup.c
@@ -18,6 +18,18 @@ static void newt_suspend(void *d __used)
newtResume();
}
+static int ui__init(void)
+{
+ int err = SLkp_init();
+
+ if (err < 0)
+ goto out;
+
+ SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB);
+out:
+ return err;
+}
+
static void ui__exit(void)
{
SLtt_set_cursor_visibility(1);
@@ -44,6 +56,7 @@ void setup_browser(bool fallback_to_pager)
use_browser = 1;
newtInit();
+ ui__init();
newtSetSuspendCallback(newt_suspend, NULL);
ui_helpline__init();
ui_browser__init();
--
1.6.2.5
--
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