From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47C6D481AA for ; Wed, 25 Sep 2024 14:31:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727274720; cv=none; b=XG2xFYykjzZZgwCfe022GO+QWf8yOmRAfOufmGfghh/o0FZYIGLbcRlRiuFy6anRSkGW5meyOzkw/lodCQgsTcaibcS2c9gLG25stDSd/0FscWCv48KHe8dU1mGywSsbfOG1TvJm2R3fIv8U/WHWjjXJGgpYRnIC11eM9QrYAmg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727274720; c=relaxed/simple; bh=ZYvitAm60TX8CTZYTj/7uE0l3I/AkI5AAxcOZWATK6U=; h=Date:From:To:Cc:Subject:Message-Id:Mime-Version:Content-Type; b=NPAbY9e0LR/KHzoHGVwxisEIjzEX4uXFJCDX4oBMfaIySE7KmI22igRlsBEuhlNnLhKEuOQ0DysC7b0w2Zyk3UQFIeeRIKDx0ZKDl5jPzHZL3OIjKpKrYbQVF47fYnuMjpUk8ns9507IE5l10ioDnGFdNN7YmBcpOl6DB6mYijc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CkDGMSw5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CkDGMSw5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DA7FC4CEC3; Wed, 25 Sep 2024 14:31:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727274719; bh=ZYvitAm60TX8CTZYTj/7uE0l3I/AkI5AAxcOZWATK6U=; h=Date:From:To:Cc:Subject:From; b=CkDGMSw52Peoi2NECGcqxhh2t141g1fw+6ZQa8O8BaOHDMHABLhnw6qbgsusvd0tB tZRapZXO3nImGufEODsgEbHJjpMn5mgExG0ITLLeiV9z5Xxvlre1FT/k5TZXPBZc8A xZ9SpC4RHRUyHfnntL6gSK27TPh5Wbo67C8epMrRQk6mbOPsOh302b50TJJeOK/2NR ugX8Bdpbk9UdnKz7FKhdLvESBLre2y8ZBsXzQR0BisD0HIBSXZXzKeE2ifEubpwwRU zPWZm58G5n6x60gFy0Mrxq0xqQbqlEMeEZS7rrD/gcxHNwIark7iJTkz+0SSgPF7+2 WA8TLpNyiTtKQ== Date: Wed, 25 Sep 2024 23:31:56 +0900 From: Masami Hiramatsu (Google) To: Linus Torvalds Cc: Andrii Nakryiko , Gaosheng Cui , Masami Hiramatsu (Google) , linux-kernel@vger.kernel.org, Steven Rostedt Subject: [GIT PULL] probes: Updates for v6.12 Message-Id: <20240925233156.20824ba2b21ff5d9a22c2baa@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Linus, Probes updates for v6.12: - uprobes: make trace_uprobe->nhit counter a per-CPU one This makes uprobe event's hit counter per-CPU for improving scalability on multi-core environment. - kprobes: Remove obsoleted declaration for init_test_probes Remove unused init_test_probes() from header. - Raw tracepoint probe supports raw tracepoint events on modules. The tracepoint events using fprobe were introduced in v6.5, but tracepoints can be compiled in modules. This supports such a case. This includes the following improvements. . tracepoint: add a function for iterating over all tracepoints in all modules. . tracepoint: Add a function for iterating over tracepoints in a module. . tracing/fprobe: Support raw tracepoint events on modules. . tracing/fprobe: Support raw tracepoints on future loaded modules. This allows user to add tracepoint events on modules which is not loaded yet. . selftests/tracing: Add a test for tracepoint events on modules. Please pull the latest probes-v6.12 tree, which can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git probes-v6.12 Tag SHA1: 66af4af443ef76c214c5751c162ea058ae05bd1f Head SHA1: 4e78dd6b4c27c5a6d057f179ff6c1ddd75a7a2ab Andrii Nakryiko (1): uprobes: turn trace_uprobe's nhit counter to be per-CPU one Gaosheng Cui (1): kprobes: Remove obsoleted declaration for init_test_probes Masami Hiramatsu (Google) (5): tracepoint: Support iterating over tracepoints on modules tracepoint: Support iterating tracepoints in a loading module tracing/fprobe: Support raw tracepoint events on modules tracing/fprobe: Support raw tracepoints on future loaded modules sefltests/tracing: Add a test for tracepoint events on modules ---- include/linux/kprobes.h | 9 -- include/linux/tracepoint.h | 20 +++ kernel/trace/trace_fprobe.c | 179 +++++++++++++++------ kernel/trace/trace_uprobe.c | 24 ++- kernel/tracepoint.c | 42 +++++ tools/testing/selftests/ftrace/config | 1 + .../test.d/dynevent/add_remove_tprobe_module.tc | 61 +++++++ .../ftrace/test.d/dynevent/tprobe_syntax_errors.tc | 1 - 8 files changed, 275 insertions(+), 62 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/add_remove_tprobe_module.tc -- Masami Hiramatsu (Google)