diff options
Diffstat (limited to 'tools/perf/builtin-diff.c')
| -rw-r--r-- | tools/perf/builtin-diff.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 015ca2d4fe90..0cfe99ea9056 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -167,34 +167,34 @@ double perf_diff__period_percent(struct hist_entry *he, u64 period) double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair) { - double new_percent = perf_diff__period_percent(he, he->stat.period); - double old_percent = perf_diff__period_percent(pair, pair->stat.period); + double old_percent = perf_diff__period_percent(he, he->stat.period); + double new_percent = perf_diff__period_percent(pair, pair->stat.period); - he->diff.period_ratio_delta = new_percent - old_percent; - he->diff.computed = true; - return he->diff.period_ratio_delta; + pair->diff.period_ratio_delta = new_percent - old_percent; + pair->diff.computed = true; + return pair->diff.period_ratio_delta; } double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair) { - double new_period = he->stat.period; - double old_period = pair->stat.period; + double old_period = he->stat.period ?: 1; + double new_period = pair->stat.period; - he->diff.computed = true; - he->diff.period_ratio = new_period / old_period; - return he->diff.period_ratio; + pair->diff.computed = true; + pair->diff.period_ratio = new_period / old_period; + return pair->diff.period_ratio; } s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair) { - u64 new_period = he->stat.period; - u64 old_period = pair->stat.period; + u64 old_period = he->stat.period; + u64 new_period = pair->stat.period; - he->diff.computed = true; - he->diff.wdiff = new_period * compute_wdiff_w2 - - old_period * compute_wdiff_w1; + pair->diff.computed = true; + pair->diff.wdiff = new_period * compute_wdiff_w2 - + old_period * compute_wdiff_w1; - return he->diff.wdiff; + return pair->diff.wdiff; } static int formula_delta(struct hist_entry *he, struct hist_entry *pair, @@ -203,15 +203,15 @@ static int formula_delta(struct hist_entry *he, struct hist_entry *pair, return scnprintf(buf, size, "(%" PRIu64 " * 100 / %" PRIu64 ") - " "(%" PRIu64 " * 100 / %" PRIu64 ")", - he->stat.period, he->hists->stats.total_period, - pair->stat.period, pair->hists->stats.total_period); + pair->stat.period, pair->hists->stats.total_period, + he->stat.period, he->hists->stats.total_period); } static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, char *buf, size_t size) { - double new_period = he->stat.period; - double old_period = pair->stat.period; + double old_period = he->stat.period; + double new_period = pair->stat.period; return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); } @@ -219,8 +219,8 @@ static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, char *buf, size_t size) { - u64 new_period = he->stat.period; - u64 old_period = pair->stat.period; + u64 old_period = he->stat.period; + u64 new_period = pair->stat.period; return scnprintf(buf, size, "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", @@ -462,23 +462,23 @@ static void hists__compute_resort(struct hists *hists) } } -static void hists__process(struct hists *old, struct hists *new) +static void hists__process(struct hists *base, struct hists *new) { - hists__match(new, old); + hists__match(base, new); if (show_baseline_only) - hists__baseline_only(new); + hists__baseline_only(base); else - hists__link(new, old); + hists__link(base, new); if (sort_compute) { - hists__precompute(new); - hists__compute_resort(new); + hists__precompute(base); + hists__compute_resort(base); } else { - hists__output_resort(new); + hists__output_resort(base); } - hists__fprintf(new, true, 0, 0, 0, stdout); + hists__fprintf(base, true, 0, 0, 0, stdout); } static void data_process(void) |