From patchwork Wed Mar 21 14:17:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 888904 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 405syT5nrjz9ry1 for ; Thu, 22 Mar 2018 01:44:33 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 405syT3R1czF1q4 for ; Thu, 22 Mar 2018 01:44:33 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 405sLm3p7fzDqJ8 for ; Thu, 22 Mar 2018 01:17:03 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 405sLT6X93z9ttSG; Wed, 21 Mar 2018 15:16:49 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id 2MsjxBnwIQP1; Wed, 21 Mar 2018 15:16:49 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 405sLT63zTz9ttBw; Wed, 21 Mar 2018 15:16:49 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 739F38B804; Wed, 21 Mar 2018 15:17:00 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id wFpOdD92TBUw; Wed, 21 Mar 2018 15:17:00 +0100 (CET) Received: from po15720vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.30]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2668C8B802; Wed, 21 Mar 2018 15:17:00 +0100 (CET) Received: by po15720vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 1E9946F392; Wed, 21 Mar 2018 15:17:00 +0100 (CET) Message-Id: In-Reply-To: <7c34db8eca67beefa7ec8243bc07135b4dff4440.1521641523.git.christophe.leroy@c-s.fr> References: <7c34db8eca67beefa7ec8243bc07135b4dff4440.1521641523.git.christophe.leroy@c-s.fr> From: Christophe Leroy Subject: [PATCH v2 2/2] powerpc/mm: Trace tlbia instruction To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Scott Wood Date: Wed, 21 Mar 2018 15:17:00 +0100 (CET) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Add a trace point for tlbia (Translation Lookaside Buffer Invalidate All) instruction. Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/trace.h | 15 +++++++++++++++ arch/powerpc/mm/mmu_decl.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h index 33f3b479138b..0165a424308d 100644 --- a/arch/powerpc/include/asm/trace.h +++ b/arch/powerpc/include/asm/trace.h @@ -202,6 +202,21 @@ TRACE_EVENT(tlbie, __entry->r) ); +TRACE_EVENT(tlbia, + + TP_PROTO(unsigned long id), + TP_ARGS(id), + TP_STRUCT__entry( + __field(unsigned long, id) + ), + + TP_fast_assign( + __entry->id = id; + ), + + TP_printk("ctx.id=0x%lx", __entry->id) +); + #endif /* _TRACE_POWERPC_H */ #undef TRACE_INCLUDE_PATH diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 107033cc4dcf..8f5483e415dd 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -32,10 +32,12 @@ static inline void _tlbil_all(void) { asm volatile ("sync; tlbia; isync" : : : "memory"); + trace_tlbia(MMU_NO_CONTEXT); } static inline void _tlbil_pid(unsigned int pid) { asm volatile ("sync; tlbia; isync" : : : "memory"); + trace_tlbia(pid); } #define _tlbil_pid_noind(pid) _tlbil_pid(pid)