diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 9ff0db4e2d0c..228bad1fe752 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -868,7 +868,7 @@ static int __hpp__color_compare(struct perf_hpp_fmt *fmt, diff = compute_delta(he, pair); scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); - return percent_color_snprintf(hpp->buf, hpp->size, + return delta_color_snprintf(hpp->buf, hpp->size, pfmt, diff); case COMPUTE_RATIO: if (he->dummy) diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c index dbbf89b050a5..643e932f5118 100644 --- a/tools/perf/util/color.c +++ b/tools/perf/util/color.c @@ -219,3 +219,24 @@ int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...) color = get_percent_color(percent); return color_snprintf(bf, size, color, fmt, len, percent); } + +int delta_color_snprintf(char *bf, size_t size, const char *fmt, ...) +{ + va_list args; + double diff, percent; + const char *color = PERF_COLOR_NORMAL; + + va_start(args, fmt); + diff = va_arg(args, double); + va_end(args); + + /* diff command printed second digit after the decimal point. */ + percent = roundf(diff * 100) / 100; + if (percent < 0) + color = PERF_COLOR_BLUE; + else { + if (percent > 0) + color = PERF_COLOR_BG_RED; + } + return color_snprintf(bf, size, color, fmt, diff); +} diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h index a93997f16dec..608edc9212af 100644 --- a/tools/perf/util/color.h +++ b/tools/perf/util/color.h @@ -40,6 +40,7 @@ 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_len_snprintf(char *bf, size_t size, const char *fmt, ...); int percent_color_fprintf(FILE *fp, const char *fmt, double percent); +int delta_color_snprintf(char *bf, size_t size, const char *fmt, ...); const char *get_percent_color(double percent); #endif /* __PERF_COLOR_H */