From 1f513b2c1e8a2008b8ab767fdb6fa6c154591ed3 Mon Sep 17 00:00:00 2001 From: Ramkumar Ramachandra Date: Mon, 30 Dec 2013 13:04:20 +0530 Subject: perf diff: Color the Ratio column In $ perf diff -c ratio color the Ratio column using value_color_snprintf(), a new function that operates exactly like percent_color_snprintf(). At first glance, it looks like percent_color_snprintf() can be turned into a non-variadic function simplifying things; however, 53805ec (perf tools: Remove cast of non-variadic function to variadic, 2013-10-31) explains why it needs to be a variadic function. Signed-off-by: Ramkumar Ramachandra Acked-by: Jiri Olsa Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1388388861-7931-4-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 20 ++++++++++++++++++++ tools/perf/util/color.c | 10 +++++++--- tools/perf/util/color.h | 1 + 3 files changed, 28 insertions(+), 3 deletions(-) (limited to 'tools/perf') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 6c3f220115ac..73d8bffdd484 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -795,6 +795,17 @@ static int __hpp__color_compare(struct perf_hpp_fmt *fmt, scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); return percent_color_snprintf(hpp->buf, hpp->size, pfmt, diff); + case COMPUTE_RATIO: + if (he->dummy) + goto dummy_print; + if (pair->diff.computed) + diff = pair->diff.period_ratio; + else + diff = compute_ratio(he, pair); + + scnprintf(pfmt, 20, "%%%d.6f", dfmt->header_width); + return value_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); default: BUG_ON(1); } @@ -809,6 +820,12 @@ static int hpp__color_delta(struct perf_hpp_fmt *fmt, return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); } +static int hpp__color_ratio(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_RATIO); +} + static void hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) { @@ -987,6 +1004,9 @@ static void data__hpp_register(struct data__file *d, int idx) case PERF_HPP_DIFF__DELTA: fmt->color = hpp__color_delta; break; + case PERF_HPP_DIFF__RATIO: + fmt->color = hpp__color_ratio; + break; default: break; } diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c index 8cda46c43e74..87b8672eb413 100644 --- a/tools/perf/util/color.c +++ b/tools/perf/util/color.c @@ -319,15 +319,19 @@ int percent_color_fprintf(FILE *fp, const char *fmt, double percent) return r; } +int value_color_snprintf(char *bf, size_t size, const char *fmt, double value) +{ + const char *color = get_percent_color(value); + return color_snprintf(bf, size, color, fmt, value); +} + int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...) { 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); + return value_color_snprintf(bf, size, fmt, percent); } diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h index fced3840e99c..7ff30a62a132 100644 --- a/tools/perf/util/color.h +++ b/tools/perf/util/color.h @@ -39,6 +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 value_color_snprintf(char *bf, size_t size, const char *fmt, double value); 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); -- cgit v1.2.3-55-g7522