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From: Ian Rogers <irogers@google.com>
To: "Peter Zijlstra" <peterz@infradead.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Arnaldo Carvalho de Melo" <acme@kernel.org>,
	"Namhyung Kim" <namhyung@kernel.org>,
	"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
	"Jiri Olsa" <jolsa@kernel.org>, "Ian Rogers" <irogers@google.com>,
	"Adrian Hunter" <adrian.hunter@intel.com>,
	"James Clark" <james.clark@linaro.org>,
	"John Garry" <john.g.garry@oracle.com>,
	"Will Deacon" <will@kernel.org>, "Leo Yan" <leo.yan@linux.dev>,
	"Guo Ren" <guoren@kernel.org>, "Paul Walmsley" <pjw@kernel.org>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Alexandre Ghiti" <alex@ghiti.fr>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
	"Bill Wendling" <morbo@google.com>,
	"Justin Stitt" <justinstitt@google.com>,
	"Zecheng Li" <zecheng@google.com>,
	"Tianyou Li" <tianyou.li@intel.com>,
	"Thomas Falcon" <thomas.falcon@intel.com>,
	"Julia Lawall" <Julia.Lawall@inria.fr>,
	"Suchit Karunakaran" <suchitkarunakaran@gmail.com>,
	"Athira Rajeev" <atrajeev@linux.ibm.com>,
	"Aditya Bodkhe" <aditya.b1@linux.ibm.com>,
	"Howard Chu" <howardchu95@gmail.com>,
	"Krzysztof Łopatowski" <krzysztof.m.lopatowski@gmail.com>,
	"Dr. David Alan Gilbert" <linux@treblig.org>,
	"Shimin Guo" <shimin.guo@skydio.com>,
	"Sergei Trofimovich" <slyich@gmail.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: [PATCH v3 12/12] perf disasm: Minor layout tweaks for struct arch
Date: Thu, 22 Jan 2026 13:35:16 -0800	[thread overview]
Message-ID: <20260122213516.671089-13-irogers@google.com> (raw)
In-Reply-To: <20260122213516.671089-1-irogers@google.com>

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



  parent reply	other threads:[~2026-01-22 21:36 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-22 21:35 [PATCH v3 00/12] perf annotate arch clean up Ian Rogers
2026-01-22 21:35 ` [PATCH v3 01/12] perf header: Fix memory leaks in process_cpu_domain_info Ian Rogers
2026-01-22 21:35 ` [PATCH v3 02/12] perf annotate: Fix args leak of map_symbol Ian Rogers
2026-01-22 21:35 ` [PATCH v3 03/12] perf maps: Fix reference count leak in maps__find_ams Ian Rogers
2026-01-22 21:35 ` [PATCH v3 04/12] perf disasm: Constify use of struct arch Ian Rogers
2026-01-22 21:35 ` [PATCH v3 05/12] perf disasm: Constify use of struct ins_op Ian Rogers
2026-01-22 21:35 ` [PATCH v3 06/12] perf disasm: Constify use of struct ins Ian Rogers
2026-01-22 21:35 ` [PATCH v3 07/12] perf disasm: Rework the string arch__is to use the ELF machine Ian Rogers
2026-01-22 21:35 ` [PATCH v3 08/12] perf disasm: Don't include C files from the arch directory Ian Rogers
2026-01-22 21:35 ` [PATCH v3 09/12] perf disasm: Refactor ins__is_call/jump to avoid exposing arch ins_ops Ian Rogers
2026-01-22 21:35 ` [PATCH v3 10/12] perf map_symbol: Switch from holding maps to holding thread Ian Rogers
2026-01-22 21:35 ` [PATCH v3 11/12] perf disasm: Refactor arch__find and initialization of arch structs Ian Rogers
2026-01-23 17:47   ` Arnaldo Carvalho de Melo
2026-01-22 21:35 ` Ian Rogers [this message]
2026-01-23 11:02 ` [PATCH v3 00/12] perf annotate arch clean up James Clark
2026-01-23 16:30   ` Ian Rogers
2026-01-23 16:47     ` Arnaldo Carvalho de Melo
2026-03-24  6:07 ` patchwork-bot+linux-riscv

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