From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4035B3DA5BF for ; Tue, 9 Jun 2026 07:07:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780988867; cv=none; b=Sr4llRzL6UhuvBm3p1dsFp3RRTJz9QcJEvFedL5ZB4ZflvlSEolDnrG97ct234kLmHG5rFKdqj4e+4pwMJif1kBt/TNYjBbMaBXP6ZHgqXaAUYhrQstupU2V0O/Qn7kbaGVzpHF+0Fxl61nFYsmn4fz2f/DSkRnBpnuADGefcKo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780988867; c=relaxed/simple; bh=7fw5E4HLrCJhOa1pawbP+lkS89pQgbeNBAZA0QnXx/M=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=O0kKdRO167d8ySY1onLLb4/CNVpqMdS6wupThinBGe/sFpcRf3IYyBVB++07cdAFdnjVe0NwwHxt3LXAQrsIncV4UnP0EX2hIvxLRcKNb0Hrvv2Ffpye+6iNUoGWmmqTe8v6ZZoBMaffGpI+Qcdggpg3IAGNWy9nqVuQ5Wn7Bv8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=QYosvbLj; arc=none smtp.client-ip=74.125.82.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="QYosvbLj" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-137dd3a60e8so6666815c88.0 for ; Tue, 09 Jun 2026 00:07:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780988863; x=1781593663; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=0maxxqhPW4HdueK2loC1JS3wtz9NDJQ5nnqIxKEVm7w=; b=QYosvbLjz8CEA/k3tkpzVAOcbny+gf5EEWJ0li34w8Am8aFMJLaprC3LymcIr1OQS3 m9SKPxWESHC4HnHv2FjZb4rTWfeHsAdVYDHOrMOFKmHtVsL2n7p+wE67XqdJw9Xj6Arw yUZG6wRi5oejU5XIdgFMcpCN5RKO+sZFy5P6xEIdqJ+40grIFnBWzd+qqErRq/umPfvp rlIkc1jy87Cnw8BKSTC4dCezcxcPywvKddnd6t/WLDnunWqaKTpt9aXrMICZVuiQkNrF gqaAAj+XQLbQnBfwjFbe4T/mQVtaAvHLyaYHtOEPbBerI59KukmZqWKtKcS/aep0Oo5B xUdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780988863; x=1781593663; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0maxxqhPW4HdueK2loC1JS3wtz9NDJQ5nnqIxKEVm7w=; b=eo2QNcnOuCwiqWwDXHqE5G9savlAqcnWS8WyBHKTRgazPSiaPmWDt7FBKdslH5w1Xv B5bnEg2zsZK4Jp0pm4UX3iQUS6ETDgpNnzDn0DGxOjO8zeOUuyQetu7oS7yUpGsi5snf L5eW1zaGqAcsO1scH+X177+hRUXqWi9NSULM2E8f9NErfgr2lYn5bxxNPfAPvKv0TnR/ koVRf/3NkARdW6gu04qNvU7Q7N2YftknUVxMp0luuB+bN+0YbZ78UeMI4ryohoPeXJs6 hyst4tQKiZa9EpqoQIDDoGVWlrs/GWEdwlymAlpH6HU/yHvoGFm4JgXJQwIFGI0belsa dkBg== X-Forwarded-Encrypted: i=1; AFNElJ/G6puG5JDhL4G3TrK2RAlD3xLzA7auxtuueyjUSdb7S02wTDHvrG7Nxqw1gw/l0W+cwszVGkm+nQrEdsE=@vger.kernel.org X-Gm-Message-State: AOJu0YwPz2CCZn/VcPN0H6S+SRQ6cvfaCV/6N8W72xGM/COnWadyrtzb 5Hrc0N6zAOOj8IdwjsPza0Utlh1LxCEX8uM0Q1lQEoA0Bu0BmP2vkWllfwVuK8BPt+eaHfaqxpe h85vpSQA2sg== X-Received: from dlbsi13.prod.google.com ([2002:a05:7022:b88d:b0:137:f54a:5c7e]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:603:b0:137:eceb:6f44 with SMTP id a92af1059eb24-138066dff52mr9590779c88.22.1780988863049; Tue, 09 Jun 2026 00:07:43 -0700 (PDT) Date: Tue, 9 Jun 2026 00:07:27 -0700 In-Reply-To: <20260609070732.545416-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260609070732.545416-1-irogers@google.com> X-Mailer: git-send-email 2.54.0.1064.gd145956f57-goog Message-ID: <20260609070732.545416-3-irogers@google.com> Subject: [PATCH v2 2/7] perf build: Add build support and capability for elfutils libasm From: Ian Rogers To: Serhei Makarov , mark@klomp.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Nick Terrell , David Sterba , Nathan Chancellor , Tomas Glozar , Blake Jones , Dmitrii Dolgov <9erthalion6@gmail.com>, Alexandre Chartre , Costa Shulyupin , Yuzhuo Jing , Michael Jeanson , Leo Yan , Tianyou Li , Zecheng Li , Rong Bao , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Configure perf build system to utilize the libasm feature check (supporting both static and dynamic builds) and export the config flags. Add "libasm" capability detection to perf check. Assisted-by: Antigravity:Google Gemini 3.5-flash Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 22 ++++++++++++++++++++++ tools/perf/builtin-check.c | 1 + 2 files changed, 23 insertions(+) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 6e7b15fab2ec..8527d20f498f 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -199,6 +199,13 @@ endif FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone +ifdef LIBASM_DIR + LIBASM_CFLAGS := -I$(LIBASM_DIR)/include + LIBASM_LDFLAGS := -L$(LIBASM_DIR)/lib +endif +FEATURE_CHECK_CFLAGS-libasm := $(LIBASM_CFLAGS) +FEATURE_CHECK_LDFLAGS-libasm := $(LIBASM_LDFLAGS) -lasm -ldw -lelf + ifdef LIBZSTD_DIR LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib @@ -432,6 +439,7 @@ ifeq ($(feature-file-handle), 1) endif ifdef NO_LIBELF + NO_LIBASM := 1 NO_LIBDW := 1 NO_LIBUNWIND := 1 NO_LIBBPF := 1 @@ -1060,6 +1068,20 @@ ifndef NO_CAPSTONE endif endif +ifndef NO_LIBASM + $(call feature_check,libasm) + ifeq ($(feature-libasm), 1) + CFLAGS += -DHAVE_LIBASM_SUPPORT $(LIBASM_CFLAGS) + ifdef LIBASM_DLOPEN + CFLAGS += -DLIBASM_DLOPEN + else + LDFLAGS += $(LIBASM_LDFLAGS) + EXTLIBS += -lasm -ldw -lelf + endif + $(call detected,CONFIG_LIBASM) + endif +endif + ifdef EXTRA_TESTS $(call detected,CONFIG_EXTRA_TESTS) CFLAGS += -DHAVE_EXTRA_TESTS diff --git a/tools/perf/builtin-check.c b/tools/perf/builtin-check.c index 60437650c50f..d2ffea4d9b8b 100644 --- a/tools/perf/builtin-check.c +++ b/tools/perf/builtin-check.c @@ -46,6 +46,7 @@ struct feature_status supported_features[] = { FEATURE_STATUS("babeltrace2-ctf-writer", HAVE_BABELTRACE2_CTF_WRITER_SUPPORT), FEATURE_STATUS("libbpf-strings", HAVE_LIBBPF_STRINGS_SUPPORT), FEATURE_STATUS("libcapstone", HAVE_LIBCAPSTONE_SUPPORT), + FEATURE_STATUS("libasm", HAVE_LIBASM_SUPPORT), FEATURE_STATUS("libdw-dwarf-unwind", HAVE_LIBDW_SUPPORT), FEATURE_STATUS("libelf", HAVE_LIBELF_SUPPORT), FEATURE_STATUS("libLLVM", HAVE_LIBLLVM_SUPPORT), -- 2.54.0.1064.gd145956f57-goog