From patchwork Wed Apr 16 06:51:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nam Cao X-Patchwork-Id: 14053366 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 88C5F2309A7; Wed, 16 Apr 2025 06:52:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744786325; cv=none; b=lk3HoDjyqPMsykO2omAhazYWC4vI5HBbWZOLpv7+Ryulj7//BCLWOY6cgQIuufiF6tVhCD2VkLSiE25sP4mAjtAjdqqhXFmM5s4tOWthtjDyFCIe+lfKNv/AwNoO1SEoAzusPKwdRt+/AJIXFvvb5jFj+j2CKuv+G/bECBPgPJ4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744786325; c=relaxed/simple; bh=oEyGbTvoth7vmSAJ/obSmdU7SImAIuoZDjOIF1BYGRU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=TwWhvmj4FZvptVq9ezKYxAF5k6VqeYx3trESdQxO45WVqOZh2dir0P3GGBBQAHjw0FRxEsHWcwvrXiqV5PIJnpdUU72Nt6f4rHr2zJTBjbjYMgy1/5UNjJxFRidRrcwBVb/GEtLyJW9//S9ntNLk6yDplin9f1ceQ7ZfAo5Q+9A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=q5cqr2w8; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Qets8VWS; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="q5cqr2w8"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Qets8VWS" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1744786320; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eoysUVIr9RMMwEjwkmOmSOvor7eg1lyUe7b2Nqa/AGs=; b=q5cqr2w8HjhwGq3rkGXkydZ1nopz7+75JvdrvCmVILNnq9U2H86NAu1fgxwvf9kqgff9BQ IhGDxomV+8kShx5rQpAKJrpMjzSyHWKX+Bbv5Qnzsb3AvwYwgURuBPlGul3aVX6iMameoD y47M9uIWbo58CgB04ZcQClnQUuenwzNFQpkztI4XXbu112iNxReFKLxiYZUZc/ms6wCp9p s6IpViyW+3r040bphMYBk5x9x6fIjlEIXVGEkh9wxmJ6yWXqKsFmJ/oeuenXWzvmoB7DPi PRKR9DJWK9SUvBhQrKxFBPJ5zO+AA9fARpyrjG8be+MXII557noHY9mEQ+GZbg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1744786320; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eoysUVIr9RMMwEjwkmOmSOvor7eg1lyUe7b2Nqa/AGs=; b=Qets8VWSjQBkMC66sF3+jn4UxSEjc0Tjz543eMOfzFcsz57NKtXTPJLeTPgWVSZAD1fzPJ Walz3hcVRD6zpQCg== To: Steven Rostedt , Gabriele Monaco , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: john.ogness@linutronix.de, Nam Cao , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra Subject: [PATCH v3 16/22] x86/tracing: Move page fault trace points to generic Date: Wed, 16 Apr 2025 08:51:22 +0200 Message-Id: <36a964689f188c30ebda496d1ab7c89a45226af6.1744785335.git.namcao@linutronix.de> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Page fault trace points are interesting for other architectures as well. Move them to be generic. Signed-off-by: Nam Cao --- Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: Andy Lutomirski Cc: Peter Zijlstra --- arch/x86/mm/fault.c | 2 +- .../asm/trace => include/trace/events}/exceptions.h | 13 ++++--------- 2 files changed, 5 insertions(+), 10 deletions(-) rename {arch/x86/include/asm/trace => include/trace/events}/exceptions.h (79%) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 7e3e51fa1f95..ad4cb1502316 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -38,7 +38,7 @@ #include /* snp_dump_hva_rmpentry() */ #define CREATE_TRACE_POINTS -#include +#include /* * Returns 0 if mmiotrace is disabled, or if the fault is not diff --git a/arch/x86/include/asm/trace/exceptions.h b/include/trace/events/exceptions.h similarity index 79% rename from arch/x86/include/asm/trace/exceptions.h rename to include/trace/events/exceptions.h index 34bc8214a2d7..a631f8de8917 100644 --- a/arch/x86/include/asm/trace/exceptions.h +++ b/include/trace/events/exceptions.h @@ -7,7 +7,7 @@ #include -DECLARE_EVENT_CLASS(x86_exceptions, +DECLARE_EVENT_CLASS(exceptions, TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), @@ -22,7 +22,7 @@ DECLARE_EVENT_CLASS(x86_exceptions, TP_fast_assign( __entry->address = address; - __entry->ip = regs->ip; + __entry->ip = instruction_pointer(regs); __entry->error_code = error_code; ), @@ -30,18 +30,13 @@ DECLARE_EVENT_CLASS(x86_exceptions, (void *)__entry->address, (void *)__entry->ip, __entry->error_code) ); -DEFINE_EVENT(x86_exceptions, page_fault_user, +DEFINE_EVENT(exceptions, page_fault_user, TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), TP_ARGS(address, regs, error_code)); - -DEFINE_EVENT(x86_exceptions, page_fault_kernel, +DEFINE_EVENT(exceptions, page_fault_kernel, TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), TP_ARGS(address, regs, error_code)); -#undef TRACE_INCLUDE_PATH -#undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_PATH . -#define TRACE_INCLUDE_FILE exceptions #endif /* _TRACE_PAGE_FAULT_H */ /* This part must be outside protection */