[PATCH v2 12/12] perf disasm: Minor layout tweaks for struct arch

Ian Rogers
2026-01-22T16:54:40Z

Pack some holes to bring down the overall struct size from 96 to 88
bytes.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/disasm.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/disasm.h b/tools/perf/util/disasm.h
index 2793d48aa04e..6a1905f9d4fc 100644
--- a/tools/perf/util/disasm.h
+++ b/tools/perf/util/disasm.h
@@ -18,22 +18,22 @@ struct type_state;
struct disasm_line;

struct e_machine_and_e_flags {
- uint16_t e_machine;
uint32_t e_flags;
+ uint16_t e_machine;
};

struct arch {
- /** @id: ELF machine and flags associated with arch. */
- struct e_machine_and_e_flags id;
/** @name: name such as "x86" or "powerpc". */
const char *name;
const struct ins *instructions;
size_t nr_instructions;
size_t nr_instructions_allocated;
- bool sorted_instructions;
const char *insn_suffix;
unsigned int model;
unsigned int family;
+ /** @id: ELF machine and flags associated with arch. */
+ struct e_machine_and_e_flags id;
+ bool sorted_instructions;
struct {
char comment_char;
char skip_functions_char;
--
2.52.0.457.g6b5491de43-goog