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perf ui helpline: Provide a printf variant

Browse source 
To print some values, like in the annotation code with invalid jump
offsets.

Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-11-25 15:48:25 -03:00
commit 9484b86e9c
2 changed files with 11 additions and 0 deletions
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10
tools/perf/ui/helpline.c
View file

@ -72,3 +72,13 @@ int ui_helpline__vshow(const char *fmt, va_list ap)
{
return helpline_fns->show(fmt, ap);
}
void ui_helpline__printf(const char *fmt, ...)
{
va_list ap;
ui_helpline__pop();
va_start(ap, fmt);
ui_helpline__vpush(fmt, ap);
va_end(ap);
}

1
tools/perf/ui/helpline.h
View file

@ -21,6 +21,7 @@ void ui_helpline__push(const char *msg);
void ui_helpline__vpush(const char *fmt, va_list ap);
void ui_helpline__fpush(const char *fmt, ...);
void ui_helpline__puts(const char *msg);
void ui_helpline__printf(const char *fmt, ...);
int ui_helpline__vshow(const char *fmt, va_list ap);
extern char ui_helpline__current[512];