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Mon, 04 Nov 2024 16:22:04 -0500 X-MC-Unique: ZdtHcMSHPCmURUHU2Lka9w-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E084C1955EA7; Mon, 4 Nov 2024 21:22:03 +0000 (UTC) Received: from Carbon (unknown [10.39.208.11]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C5EFF19560A3; Mon, 4 Nov 2024 21:22:01 +0000 (UTC) Date: Mon, 4 Nov 2024 22:21:57 +0100 (CET) From: Michael Petlan To: irogers@google.com, linux-perf-users@vger.kernel.org cc: acme@redhat.com, vmolnaro@redhat.com, jplesnik@redhat.com Subject: python3-perf pulling dependencies after build refactoring Message-ID: Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Hello Ian, Jitka Plesnikova has spotted an interesting fact about he python bindings -- perf.cpython-*-x86_64-linux-gnu.so library -- the number of shared objects it links against has significantly grown between v6.10 and v6.11: Before: # ldd python/perf.cpython-39-x86_64-linux-gnu.so linux-vdso.so.1 (0x00007ffefd1cb000) libm.so.6 => /lib64/libm.so.6 (0x00007f4c9315e000) libz.so.1 => /lib64/libz.so.1 (0x00007f4c93144000) libelf.so.1 => /lib64/libelf.so.1 (0x00007f4c929e4000) libslang.so.2 => /lib64/libslang.so.2 (0x00007f4c92600000) libc.so.6 => /lib64/libc.so.6 (0x00007f4c92200000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f4c93136000) /lib64/ld-linux-x86-64.so.2 (0x00007f4c93247000) libzstd.so.1 => /lib64/libzstd.so.1 (0x00007f4c9290d000) After: # ldd python/perf.cpython-39-x86_64-linux-gnu.so linux-vdso.so.1 (0x00007ffd889f3000) libm.so.6 => /lib64/libm.so.6 (0x00007f75cd125000) libz.so.1 => /lib64/libz.so.1 (0x00007f75cdbc0000) libelf.so.1 => /lib64/libelf.so.1 (0x00007f75cdba4000) libdw.so.1 => /lib64/libdw.so.1 (0x00007f75cd089000) libcrypto.so.3 => /lib64/libcrypto.so.3 (0x00007f75ccc00000) libslang.so.2 => /lib64/libslang.so.2 (0x00007f75cc800000) libperl.so.5.32 => /lib64/libperl.so.5.32 (0x00007f75cc400000) libc.so.6 => /lib64/libc.so.6 (0x00007f75cc000000) libpython3.9.so.1.0 => /lib64/libpython3.9.so.1.0 (0x00007f75cbc00000) libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f75cb800000) liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f75cdb76000) libzstd.so.1 => /lib64/libzstd.so.1 (0x00007f75ccb29000) libcap.so.2 => /lib64/libcap.so.2 (0x00007f75cdb6a000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f75cdb5c000) libbabeltrace-ctf.so.1 => /lib64/libbabeltrace-ctf.so.1 (0x00007f75cd03f000) libpfm.so.4 => /lib64/libpfm.so.4 (0x00007f75cb400000) libtraceevent.so.1 => /lib64/libtraceevent.so.1 (0x00007f75ccb08000) /lib64/ld-linux-x86-64.so.2 (0x00007f75cdbe8000) libbz2.so.1 => /lib64/libbz2.so.1 (0x00007f75cdb49000) libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007f75cc7c6000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f75ccaed000) libbabeltrace.so.1 => /lib64/libbabeltrace.so.1 (0x00007f75ccadd000) libpopt.so.0 => /lib64/libpopt.so.0 (0x00007f75cc7b7000) libuuid.so.1 => /lib64/libuuid.so.1 (0x00007f75cdb3d000) libgmodule-2.0.so.0 => /lib64/libgmodule-2.0.so.0 (0x00007f75cd039000) libglib-2.0.so.0 => /lib64/libglib-2.0.so.0 (0x00007f75cc2c5000) libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f75cc24d000) I have narrowed it down to e467705a9fb3 ("perf util: Make util its own library"). It has also grown in size, probably because of this linking change. I think we need to get rid of this probably unwanted side-effect of the build optimization. What do you think? Regards, Michael