diff options
| author |   Ramkumar Ramachandra <artagnon@gmail.com> | 2013-12-30 13:04:19 +0530 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-13 11:36:46 -0300 |
| commit | 01f10bc85f538cd681d0a3338b97a33f308d944b (patch) | |
| tree | c21da91aae7f0b9c91a12bfdab4a2c6c4f4e79ec /tools | |
| parent | perf tools: Generalize percent_color_snprintf() (diff) | |
| download | linux-dev-01f10bc85f538cd681d0a3338b97a33f308d944b.tar.xz linux-dev-01f10bc85f538cd681d0a3338b97a33f308d944b.zip | |
perf diff: Color the Delta column
Color the numbers in the Delta column using percent_color_snprintf().
Generalize the coloring function so that we can accommodate all three
comparison methods in future patches: delta, ratio, and wdiff.
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1388388861-7931-3-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-diff.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 987cac3b4bba..6c3f220115ac 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -770,6 +770,45 @@ static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) return ret; } +static int __hpp__color_compare(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he, + int comparison_method) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + struct hist_entry *pair = get_pair_fmt(he, dfmt); + double diff; + char pfmt[20] = " "; + + if (!pair) + goto dummy_print; + + switch (comparison_method) { + case COMPUTE_DELTA: + if (pair->diff.computed) + diff = pair->diff.period_ratio_delta; + else + diff = compute_delta(he, pair); + + if (fabs(diff) < 0.01) + goto dummy_print; + scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); + return percent_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); + default: + BUG_ON(1); + } +dummy_print: + return scnprintf(hpp->buf, hpp->size, "%*s", + dfmt->header_width, pfmt); +} + +static int hpp__color_delta(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); +} + static void hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) { @@ -941,8 +980,16 @@ static void data__hpp_register(struct data__file *d, int idx) fmt->entry = hpp__entry_global; /* TODO more colors */ - if (idx == PERF_HPP_DIFF__BASELINE) + switch (idx) { + case PERF_HPP_DIFF__BASELINE: fmt->color = hpp__color_baseline; + break; + case PERF_HPP_DIFF__DELTA: + fmt->color = hpp__color_delta; + break; + default: + break; + } init_header(d, dfmt); perf_hpp__column_register(fmt); |