Commit-ID: 53805eca3d89b095062c11a6798689bb0af09216
Gitweb: http://git.kernel.org/tip/53805eca3d89b095062c11a6798689bb0af09216
Author: Michael Hudson-Doyle <michael.hudson@xxxxxxxxxx>
AuthorDate: Thu, 31 Oct 2013 16:47:45 -0700
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 1 Nov 2013 10:40:51 -0300
perf tools: Remove cast of non-variadic function to variadic
The 4fb71074a570 (perf ui/hist: Consolidate hpp helpers) cset introduced
a cast of percent_color_snprintf to a function pointer type with
varargs. Change percent_color_snprintf to be variadic and remove the
cast.
The symptom of this was all percentages being reported as 0.00% in perf
report --stdio output on the armhf arch.
Signed-off-by: Michael Hudson-Doyle <michael.hudson@xxxxxxxxxx>
Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Cc: Jean Pihet <jean.pihet@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/87zjppvw7y.fsf@xxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/hist.c | 2 +-
tools/perf/util/color.c | 11 +++++++++--
tools/perf/util/color.h | 2 +-
3 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 0a19328..78f4c92 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -117,7 +117,7 @@ static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
struct perf_hpp *hpp, struct hist_entry *he) \
{ \
return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
- (hpp_snprint_fn)percent_color_snprintf, true); \
+ percent_color_snprintf, true); \
}
#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
index 11e46da..66e44a5 100644
--- a/tools/perf/util/color.c
+++ b/tools/perf/util/color.c
@@ -318,8 +318,15 @@ int percent_color_fprintf(FILE *fp, const char *fmt, double percent)
return r;
}
-int percent_color_snprintf(char *bf, size_t size, const char *fmt, double percent)
+int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...)
{
- const char *color = get_percent_color(percent);
+ va_list args;
+ double percent;
+ const char *color;
+
+ va_start(args, fmt);
+ percent = va_arg(args, double);
+ va_end(args);
+ color = get_percent_color(percent);
return color_snprintf(bf, size, color, fmt, percent);
}
diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h
index dea082b..fced384 100644
--- a/tools/perf/util/color.h
+++ b/tools/perf/util/color.h
@@ -39,7 +39,7 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...);
int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
-int percent_color_snprintf(char *bf, size_t size, const char *fmt, double percent);
+int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...);
int percent_color_fprintf(FILE *fp, const char *fmt, double percent);
const char *get_percent_color(double percent);
--
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