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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-13 13:39:30 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-13 13:39:30 -0400
commit4b17cafaa4cc000a490821db649c5a3bf7ba9671 (patch)
tree9e6a1ed383be31f7a28ebfee726acf2cc15c377f /tools/perf/util/ui/helpline.c
parent36450e9c953b2a6838def5945de8ae508141e834 (diff)
parent88d89da64951377962334b684634cfc1468aa93f (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits) perf: Add back list_head data types perf ui hist browser: Fixup key bindings perf ui browser: Add ui_browser__show counterpart: __hide perf annotate: Cycle thru sorted lines with samples perf ui: Make SPACE work as PGDN in all browsers perf annotate: Sort by hottest lines in the TUI perf ui: Complete the breakdown of util/newt.c perf ui: Move hists browser to util/ui/browsers/ perf symbols: Ignore mapping symbols on ARM perf ui: Move map browser to util/ui/browsers/ perf ui: Move annotate browser to util/ui/browsers/ perf ui: Move ui_progress routines to separate file in util/ui/ perf ui: Move ui_helpline routines to separate file in util/ui/ perf ui: Shorten ui_browser member names perf, x86: P4 PMU -- update nmi irq statistics and unmask lvt entry properly perf ui: Start breaking down newt.c into multiple files perf tui: Introduce list_head based generic ui_browser refresh routine perf probe: Fix memory leaks in add_perf_probe_events perf probe: Fix to copy the type for raw parameters perf report: Speed up exit path ...
Diffstat (limited to 'tools/perf/util/ui/helpline.c')
-rw-r--r--tools/perf/util/ui/helpline.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c
new file mode 100644
index 000000000000..8d79daa4458a
--- /dev/null
+++ b/tools/perf/util/ui/helpline.c
@@ -0,0 +1,69 @@
1#define _GNU_SOURCE
2#include <stdio.h>
3#include <stdlib.h>
4#include <newt.h>
5
6#include "../debug.h"
7#include "helpline.h"
8
9void ui_helpline__pop(void)
10{
11 newtPopHelpLine();
12}
13
14void ui_helpline__push(const char *msg)
15{
16 newtPushHelpLine(msg);
17}
18
19void ui_helpline__vpush(const char *fmt, va_list ap)
20{
21 char *s;
22
23 if (vasprintf(&s, fmt, ap) < 0)
24 vfprintf(stderr, fmt, ap);
25 else {
26 ui_helpline__push(s);
27 free(s);
28 }
29}
30
31void ui_helpline__fpush(const char *fmt, ...)
32{
33 va_list ap;
34
35 va_start(ap, fmt);
36 ui_helpline__vpush(fmt, ap);
37 va_end(ap);
38}
39
40void ui_helpline__puts(const char *msg)
41{
42 ui_helpline__pop();
43 ui_helpline__push(msg);
44}
45
46void ui_helpline__init(void)
47{
48 ui_helpline__puts(" ");
49}
50
51char ui_helpline__last_msg[1024];
52
53int ui_helpline__show_help(const char *format, va_list ap)
54{
55 int ret;
56 static int backlog;
57
58 ret = vsnprintf(ui_helpline__last_msg + backlog,
59 sizeof(ui_helpline__last_msg) - backlog, format, ap);
60 backlog += ret;
61
62 if (ui_helpline__last_msg[backlog - 1] == '\n') {
63 ui_helpline__puts(ui_helpline__last_msg);
64 newtRefresh();
65 backlog = 0;
66 }
67
68 return ret;
69}