[PATCH 2/3] perf symbols: Bit pack to save a byte

From: Ian Rogers
Date: Thu Nov 11 2021 - 22:51:47 EST


Use a bit field alongside the earlier bit fields.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/annotate.c | 2 +-
tools/perf/util/symbol.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 8511af55fc3a..5d982933b3a2 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -3132,7 +3132,7 @@ int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
notes->nr_events = nr_pcnt;

annotation__update_column_widths(notes);
- sym->annotate2 = true;
+ sym->annotate2 = 1;

return 0;

diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 3586fa549f44..fbf866d82dcc 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -62,10 +62,10 @@ struct symbol {
u8 ignore:1;
/** Symbol for an inlined function. */
u8 inlined:1;
+ /** Has symbol__annotate2 been performed. */
+ u8 annotate2:1;
/** Architecture specific. Unused except on PPC where it holds st_other. */
u8 arch_sym;
- /** Has symbol__annotate2 been performed. */
- bool annotate2;
/** The name of length namelen associated with the symbol. */
char name[];
};
--
2.34.0.rc1.387.gb447b232ab-goog