Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754090Ab3JaXrx (ORCPT ); Thu, 31 Oct 2013 19:47:53 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:46056 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751766Ab3JaXrv (ORCPT ); Thu, 31 Oct 2013 19:47:51 -0400 From: Michael Hudson-Doyle To: linux-kernel@vger.kernel.org Cc: Jiri Olsa , Arnaldo Carvalho de Melo , Will Deacon , Jean Pihet Subject: [PATCH v2] perf tools: Remove cast of non-variadic function to variadic User-Agent: Notmuch/0.15.2 (http://notmuchmail.org) Emacs/24.3.50.2 (x86_64-pc-linux-gnu) Date: Thu, 31 Oct 2013 16:47:45 -0700 Message-ID: <87zjppvw7y.fsf@canonical.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2846 Lines: 72 4fb71074a570 (perf ui/hist: Consolidate hpp helpers) 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. Signed-off-by: Michael Hudson-Doyle Acked-by: Will Deacon Cc: --- 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); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/