From patchwork Thu Oct 4 13:37:04 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 189132 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id CB99C2C03A2 for ; Thu, 4 Oct 2012 23:37:58 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932970Ab2JDNhp (ORCPT ); Thu, 4 Oct 2012 09:37:45 -0400 Received: from cantor2.suse.de ([195.135.220.15]:37348 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932974Ab2JDNhh (ORCPT ); Thu, 4 Oct 2012 09:37:37 -0400 Received: from relay1.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 74C67A3DDE for ; Thu, 4 Oct 2012 15:37:36 +0200 (CEST) From: Alexander Graf To: kvm-ppc@vger.kernel.org Subject: [PATCH 36/56] KVM: PPC: Use symbols for exit trace Date: Thu, 4 Oct 2012 15:37:04 +0200 Message-Id: <1349357844-11288-37-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1349357844-11288-1-git-send-email-agraf@suse.de> References: <1349357844-11288-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Exit traces are a lot easier to read when you don't have to remember cryptic numbers for guest exit reasons. Symbolify them in our trace output. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/trace.h | 58 ++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 56 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index cb2780a..519aba8 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -31,6 +31,60 @@ TRACE_EVENT(kvm_ppc_instr, __entry->inst, __entry->pc, __entry->emulate) ); +#ifdef CONFIG_PPC_BOOK3S +#define kvm_trace_symbol_exit \ + {0x100, "SYSTEM_RESET"}, \ + {0x200, "MACHINE_CHECK"}, \ + {0x300, "DATA_STORAGE"}, \ + {0x380, "DATA_SEGMENT"}, \ + {0x400, "INST_STORAGE"}, \ + {0x480, "INST_SEGMENT"}, \ + {0x500, "EXTERNAL"}, \ + {0x501, "EXTERNAL_LEVEL"}, \ + {0x502, "EXTERNAL_HV"}, \ + {0x600, "ALIGNMENT"}, \ + {0x700, "PROGRAM"}, \ + {0x800, "FP_UNAVAIL"}, \ + {0x900, "DECREMENTER"}, \ + {0x980, "HV_DECREMENTER"}, \ + {0xc00, "SYSCALL"}, \ + {0xd00, "TRACE"}, \ + {0xe00, "H_DATA_STORAGE"}, \ + {0xe20, "H_INST_STORAGE"}, \ + {0xe40, "H_EMUL_ASSIST"}, \ + {0xf00, "PERFMON"}, \ + {0xf20, "ALTIVEC"}, \ + {0xf40, "VSX"} +#else +#define kvm_trace_symbol_exit \ + {0, "CRITICAL"}, \ + {1, "MACHINE_CHECK"}, \ + {2, "DATA_STORAGE"}, \ + {3, "INST_STORAGE"}, \ + {4, "EXTERNAL"}, \ + {5, "ALIGNMENT"}, \ + {6, "PROGRAM"}, \ + {7, "FP_UNAVAIL"}, \ + {8, "SYSCALL"}, \ + {9, "AP_UNAVAIL"}, \ + {10, "DECREMENTER"}, \ + {11, "FIT"}, \ + {12, "WATCHDOG"}, \ + {13, "DTLB_MISS"}, \ + {14, "ITLB_MISS"}, \ + {15, "DEBUG"}, \ + {32, "SPE_UNAVAIL"}, \ + {33, "SPE_FP_DATA"}, \ + {34, "SPE_FP_ROUND"}, \ + {35, "PERFORMANCE_MONITOR"}, \ + {36, "DOORBELL"}, \ + {37, "DOORBELL_CRITICAL"}, \ + {38, "GUEST_DBELL"}, \ + {39, "GUEST_DBELL_CRIT"}, \ + {40, "HV_SYSCALL"}, \ + {41, "HV_PRIV"} +#endif + TRACE_EVENT(kvm_exit, TP_PROTO(unsigned int exit_nr, struct kvm_vcpu *vcpu), TP_ARGS(exit_nr, vcpu), @@ -62,7 +116,7 @@ TRACE_EVENT(kvm_exit, __entry->last_inst = vcpu->arch.last_inst; ), - TP_printk("exit=0x%x" + TP_printk("exit=%s" " | pc=0x%lx" " | msr=0x%lx" " | dar=0x%lx" @@ -71,7 +125,7 @@ TRACE_EVENT(kvm_exit, #endif " | last_inst=0x%lx" , - __entry->exit_nr, + __print_symbolic(__entry->exit_nr, kvm_trace_symbol_exit), __entry->pc, __entry->msr, __entry->dar,