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-rw-r--r--tools/perf/builtin-diff.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 181ff99..e68cc76 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -86,7 +86,7 @@ const char *compute_names[COMPUTE_MAX] = {
[COMPUTE_WEIGHTED_DIFF] = "wdiff",
};
-static int compute;
+static int compute = COMPUTE_DELTA;
static int compute_2_hpp[COMPUTE_MAX] = {
[COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA,
@@ -1299,6 +1299,20 @@ static int diff__config(const char *var, const char *value,
sort_compute = perf_config_int(var, value);
return 0;
}
+ if (!strcmp(var, "diff.compute")) {
+ if (!strcmp(value, "delta")) {
+ compute = COMPUTE_DELTA;
+ } else if (!strcmp(value, "delta-abs")) {
+ compute = COMPUTE_DELTA_ABS;
+ } else if (!strcmp(value, "ratio")) {
+ compute = COMPUTE_RATIO;
+ } else if (!strcmp(value, "wdiff")) {
+ compute = COMPUTE_WEIGHTED_DIFF;
+ } else {
+ pr_err("Invalid compute method: %s\n", value);
+ return -1;
+ }
+ }
return 0;
}
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