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-rw-r--r--tools/perf/util/sort.h38
1 files changed, 23 insertions, 15 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 846036a921dc..e97cd476d336 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -58,15 +58,16 @@ struct he_stat {
struct hist_entry_diff {
bool computed;
+ union {
+ /* PERF_HPP__DELTA */
+ double period_ratio_delta;
- /* PERF_HPP__DELTA */
- double period_ratio_delta;
-
- /* PERF_HPP__RATIO */
- double period_ratio;
+ /* PERF_HPP__RATIO */
+ double period_ratio;
- /* HISTC_WEIGHTED_DIFF */
- s64 wdiff;
+ /* HISTC_WEIGHTED_DIFF */
+ s64 wdiff;
+ };
};
/**
@@ -92,21 +93,28 @@ struct hist_entry {
s32 cpu;
u8 cpumode;
- struct hist_entry_diff diff;
-
/* We are added by hists__add_dummy_entry. */
bool dummy;
- /* XXX These two should move to some tree widget lib */
- u16 row_offset;
- u16 nr_rows;
-
- bool init_have_children;
char level;
u8 filtered;
+ union {
+ /*
+ * Since perf diff only supports the stdio output, TUI
+ * fields are only accessed from perf report (or perf
+ * top). So make it an union to reduce memory usage.
+ */
+ struct hist_entry_diff diff;
+ struct /* for TUI */ {
+ u16 row_offset;
+ u16 nr_rows;
+ bool init_have_children;
+ bool unfolded;
+ bool has_children;
+ };
+ };
char *srcline;
struct symbol *parent;
- unsigned long position;
struct rb_root sorted_chain;
struct branch_info *branch_info;
struct hists *hists;