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Tue, 21 May 2024 02:40:09 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240521024009epsmtrp10e6704301994088e82ffff0fff8d83bc~RYKhqvsNS2362723627epsmtrp1O; Tue, 21 May 2024 02:40:09 +0000 (GMT) X-AuditID: b6c32a37-b863ba80000025bf-60-664c0989ee09 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 37.D3.19234.9890C466; Tue, 21 May 2024 11:40:09 +0900 (KST) Received: from localhost.localdomain (unknown [10.253.104.99]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240521024009epsmtip2b43a8fc85df3b4318a52e7f789e21f95~RYKhiIo8T1232612326epsmtip2J; Tue, 21 May 2024 02:40:09 +0000 (GMT) From: Jaewon Kim To: rppt@kernel.org, vbabka@suse.cz, akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, jaewon31.kim@gmail.com, Jaewon Kim Subject: [RESEND PATCH 09/10] memblock: print kernel internal size Date: Tue, 21 May 2024 11:39:56 +0900 Message-Id: <20240521023957.2587005-10-jaewon31.kim@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240521023957.2587005-1-jaewon31.kim@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmplk+LIzCtJLcpLzFFi42LZdlhTX7eT0yfN4ModI4s569ewWXRvnslo 0fv+FZPF5V1z2CzurfnPanFk/XYmi9mNfYwO7B47Z91l99i0qpPNY9OnSeweJ2b8ZvHo27KK 0ePMgiPsHp83yQWwR2XbZKQmpqQWKaTmJeenZOal2yp5B8c7x5uaGRjqGlpamCsp5CXmptoq ufgE6Lpl5gAdpKRQlphTChQKSCwuVtK3synKLy1JVcjILy6xVUotSMkpMCvQK07MLS7NS9fL Sy2xMjQwMDIFKkzIzpiy8BlzwRWtigs3lrE0MJ5U6mLk5JAQMJGYd7yXpYuRi0NIYAejxKeZ E6GcT4wSP2dOZgWpAnOmTfaE6Xi+awcTRHwno8TJ/UIQDZ8ZJSZuO8IIkmAT0JZ4v2ASWLOI gJ3Et9kHwGxmgVKJt29OMIPYwgJOErfnnWYHsVkEVCX+fPrJAmLzCjhI3Dzyhx1imbzEzEvf wWxOoPj8KYvZIWoEJU7OfMICMVNeonnrbGaQIyQEPrJLzFt0AWgZB5DjIjHjuDrEHGGJV8e3 QM2UknjZ3wZl50tcuPiKCaK8RmLhREOIsL3Erq8zwKYwC2hKrN+lD7GJT+Ld1x6o4bwSHW1C ENVqEi3PvrJC2DISf/89gyrxkLg7gQUSUJMZJXZtjZvAKD8LyfmzkJw/C2HXAkbmVYxiqQXF uempxYYFxvAITc7P3cQITo9a5jsYp739oHeIkYmD8RCjBAezkgjvpi2eaUK8KYmVValF+fFF pTmpxYcYTYGBO5FZSjQ5H5ig80riDU0sDUzMjEwsjC2NzZTEec9cKUsVEkhPLEnNTk0tSC2C 6WPi4JRqYEq++91KMyTkPVtygZ9TscWm2p1BIdslxZp32Ff8XeFiX5Kh1nyxYHvZwqpsq/On TNO3zyl2X/B/1WNv/eKOgqcHb+/7JdF19c6c56d1TNWD9287wZe8587pm0W6G8zjUpdtcduh LDAv8i5ryyTuzStrO62fX14bd2y3BwfzO5eo1XWqJtuTV3TdP9hccNOpzPmbcNo5sVATpu+H lNfH/e27ofm7Yx67Gqvzl+jLQu33zhvPYOH4v2+J6HOXlRwlaU7PrlfPPH4yfCmf/oc8Db3P z3rC+pNuxtaw7g0MtGQtXSo/9fsKo5zrF16cM1iQ5mdz3t/sQ+yjlP93jK5K7UnYerJmrjtf 3nWDzGtTRZRYijMSDbWYi4oTATC/RngYBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrNLMWRmVeSWpSXmKPExsWy7bCSvG4np0+awa01khZz1q9hs+jePJPR ovf9KyaLy7vmsFncW/Of1eLI+u1MFrMb+xgd2D12zrrL7rFpVSebx6ZPk9g9Tsz4zeLRt2UV o8eZBUfYPT5vkgtgj+KySUnNySxLLdK3S+DKmLLwGXPBFa2KCzeWsTQwnlTqYuTkkBAwkXi+ awcTiC0ksJ1RYvXrOoi4jMSb809Zuhg5gGxhicOHi7sYuYBKPjJKrLjawghSwyagLfF+wSRW EFtEwEliw5XVLCA2s0ClxL/bt8DiwkDx2/NOs4PYLAKqEn8+/QSr4RVwkLh55A87xC55iZmX voPZnEDx+VMWs0PcYy9x5tJ5Voh6QYmTM59AzZeXaN46m3kCo8AsJKlZSFILGJlWMYqmFhTn pucmFxjqFSfmFpfmpesl5+duYgSHt1bQDsZl6//qHWJk4mA8xCjBwawkwrtpi2eaEG9KYmVV alF+fFFpTmrxIUZpDhYlcV7lnM4UIYH0xJLU7NTUgtQimCwTB6dUA5Pv092/Xk/cvn7Zn+bg P71aLltsDu7eu/XP6hNpRqKfPnUuzHt1YO6OeMW2ZUYbIl+e3bh/VgOj0MTrZpdst617EPHv 0n3j2haLps/XzNueGq21318bwdNmeP1TQ6WB0fpvVWIn98Xb/FczsIkxvdcVYV7+ftXHqpAw hr+/zI6/O/9NYmt4h+uv5ncy1z5VPpKPLFu9UffoFBfuRzx8l65LFEYLsk17LWN+fdGv2yUM 936cmrHpSOzdOM9HDTd4DrXc+TnX9IzJJsZfWruepERm3bY79/hPGGv9Wbk8w+StPUxlG55O feH7u7616a9PjOiEtLi9bVqV5XMv8vieUvse5nu+qCuJz7R1vXNB2ZaZSizFGYmGWsxFxYkA 4WIq4t4CAAA= X-CMS-MailID: 20240521024009epcas1p441a4c458d251eec7bb6e63e671c25b4e X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240521024009epcas1p441a4c458d251eec7bb6e63e671c25b4e References: <20240521023957.2587005-1-jaewon31.kim@samsung.com> Kernel internal size information is also useful to compare with other binary. This patch print kernel text, rwdata, rodata, bss, and others. Here's an example. Reserved : 1181708 KB .kernel : 296172 KB .text : 16960 KB .rwdata : 2299 KB .rodata : 16464 KB .bss : 7549 KB .memmap : 196608 KB .etc : 56293 KB .unusable : 885536 KB Signed-off-by: Jaewon Kim --- include/linux/memblock.h | 6 ++++++ mm/memblock.c | 36 ++++++++++++++++++++++++++++++++++++ mm/mm_init.c | 6 +++++- 3 files changed, 47 insertions(+), 1 deletion(-) diff --git a/include/linux/memblock.h b/include/linux/memblock.h index a83ad98ac252..7ab8b59bfbc1 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -623,6 +623,9 @@ extern void memblock_memsize_unset_name(void); extern void memblock_memsize_enable_tracking(void); extern void memblock_memsize_disable_tracking(void); extern void memblock_memsize_mod_kernel_size(long size); +extern void memblock_memsize_mod_memmap_size(long size); +extern void memblock_memsize_kernel_code_data(unsigned long code, + unsigned long data, unsigned long ro, unsigned long bss); #else static inline void memblock_memsize_record(const char *name, phys_addr_t b= ase, phys_addr_t size, bool nomap, @@ -633,6 +636,9 @@ static inline void memblock_memsize_unset_name(void) { } static inline void memblock_memsize_enable_tracking(void){ } static inline void memblock_memsize_disable_tracking(void){ } static inline void memblock_memsize_mod_kernel_size(long size) { } +static inline void memblock_memsize_mod_memmap_size(long size) { } +static inline void memblock_memsize_kernel_code_data(unsigned long code, + unsigned long data, unsigned long ro, unsigned long bss) { } #endif =20 #endif /* _LINUX_MEMBLOCK_H */ diff --git a/mm/memblock.c b/mm/memblock.c index 0906d81f66c2..2fe0dc2575c5 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2061,6 +2061,11 @@ static struct memsize_rgn_struct memsize_rgn[CONFIG_= MAX_MEMBLOCK_MEMSIZE] __init static int memsize_rgn_count __initdata_memblock; static const char *memblock_memsize_name __initdata_memblock; static long memsize_kinit __initdata_memblock; +static long memsize_memap __initdata_memblock; +static unsigned long memsize_code __initdata_memblock; +static unsigned long memsize_data __initdata_memblock; +static unsigned long memsize_ro __initdata_memblock; +static unsigned long memsize_bss __initdata_memblock; static bool memblock_memsize_tracking __initdata_memblock =3D true; =20 void __init memblock_memsize_enable_tracking(void) @@ -2073,11 +2078,25 @@ void __init memblock_memsize_disable_tracking(void) memblock_memsize_tracking =3D false; } =20 +void __init memblock_memsize_mod_memmap_size(long size) +{ + memsize_memap +=3D size; +} + void memblock_memsize_mod_kernel_size(long size) { memsize_kinit +=3D size; } =20 +void __init memblock_memsize_kernel_code_data(unsigned long code, unsigned= long data, + unsigned long ro, unsigned long bss) +{ + memsize_code =3D code; + memsize_data =3D data; + memsize_ro =3D ro; + memsize_bss =3D bss; +} + static void __init_memblock memsize_get_valid_name(char *valid_name, const= char *name) { char *head, *tail, *found; @@ -2691,6 +2710,11 @@ static int memblock_memsize_show(struct seq_file *m,= void *private) struct memsize_rgn_struct *rgn; unsigned long reserved =3D 0, reusable =3D 0, total; unsigned long system =3D totalram_pages() << PAGE_SHIFT; + unsigned long etc; + + etc =3D memsize_kinit; + etc -=3D memsize_code + memsize_data + memsize_ro + memsize_bss + + memsize_memap; =20 sort(memsize_rgn, memsize_rgn_count, sizeof(memsize_rgn[0]), memsize_rgn_cmp, NULL); @@ -2723,6 +2747,18 @@ static int memblock_memsize_show(struct seq_file *m,= void *private) DIV_ROUND_UP(memsize_kinit + reserved, SZ_1K)); seq_printf(m, " .kernel : %7lu KB\n", DIV_ROUND_UP(memsize_kinit, SZ_1K)); + seq_printf(m, " .text : %7lu KB\n" + " .rwdata : %7lu KB\n" + " .rodata : %7lu KB\n" + " .bss : %7lu KB\n" + " .memmap : %7lu KB\n" + " .etc : %7lu KB\n", + DIV_ROUND_UP(memsize_code, SZ_1K), + DIV_ROUND_UP(memsize_data, SZ_1K), + DIV_ROUND_UP(memsize_ro, SZ_1K), + DIV_ROUND_UP(memsize_bss, SZ_1K), + DIV_ROUND_UP(memsize_memap, SZ_1K), + DIV_ROUND_UP(etc, SZ_1K)); seq_printf(m, " .unusable : %7lu KB\n", DIV_ROUND_UP(reserved, SZ_1K)); seq_printf(m, "System : %7lu KB\n", diff --git a/mm/mm_init.c b/mm/mm_init.c index f72b852bd5b8..45187904db49 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1587,8 +1587,10 @@ void __init *memmap_alloc(phys_addr_t size, phys_add= r_t align, MEMBLOCK_ALLOC_ACCESSIBLE, nid); =20 - if (ptr && size > 0) + if (ptr && size > 0) { page_init_poison(ptr, size); + memblock_memsize_mod_memmap_size((long)size); + } =20 return ptr; } @@ -2679,6 +2681,8 @@ static void __init mem_init_print_info(void) init_data_size =3D __init_end - __init_begin; init_code_size =3D _einittext - _sinittext; =20 + memblock_memsize_kernel_code_data(codesize, datasize, rosize, bss_size); + /* * Detect special cases and adjust section sizes accordingly: * 1) .init.* may be embedded into .data sections --=20 2.25.1