From patchwork Mon Jun 15 04:56:07 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hemant Kumar X-Patchwork-Id: 484140 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 AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 375C71401DA for ; Mon, 15 Jun 2015 14:58:43 +1000 (AEST) Received: from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 1D64E1A0F02 for ; Mon, 15 Jun 2015 14:58:43 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 5D6961A0E28 for ; Mon, 15 Jun 2015 14:57:46 +1000 (AEST) Received: from /spool/local by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 15 Jun 2015 14:57:44 +1000 Received: from d23dlp02.au.ibm.com (202.81.31.213) by e23smtp04.au.ibm.com (202.81.31.210) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 15 Jun 2015 14:57:42 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 2ABED2BB004D for ; Mon, 15 Jun 2015 14:57:41 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t5F4vWgq38666394 for ; Mon, 15 Jun 2015 14:57:41 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t5F4v7u5002121 for ; Mon, 15 Jun 2015 14:57:08 +1000 Received: from localhost.in.ibm.com ([9.124.35.86]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t5F4v44d001770; Mon, 15 Jun 2015 14:57:04 +1000 From: Hemant Kumar To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH RESEND v4 1/3] kvm/powerpc: Export kvm exit reasons Date: Mon, 15 Jun 2015 10:26:07 +0530 Message-Id: <1434344169-32438-1-git-send-email-hemant@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.3 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15061504-0013-0000-0000-0000016B8285 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maddy@linux.vnet.ibm.com, srikar@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, acme@kernel.org, scottwood@freescale.com, paulus@samba.org, warrier@linux.vnet.ibm.com, sukadev@linux.vnet.ibm.com, Hemant Kumar , mingo@kernel.org MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" To analyze the kvm exits with perf, we will need to map the exit codes with the exit reasons. Such a mapping exists today in trace_book3s.h. Currently its not exported to perf. This patch moves these kvm exit reasons and their mapping from "arch/powerpc/kvm/trace_book3s.h" to "arch/powerpc/include/uapi/asm/trace_book3s.h". Accordingly change the include files in "trace_hv.h" and "trace_pr.h". Also, add a file kvm_perf_book3s.h which defines the kvm tracepoints to trace for kvm exit events. This is added to indicate that the tracepoints are book3s specific. Generic "kvm_perf.h" then can just include "kvm_perf_book3s.h". Signed-off-by: Hemant Kumar --- Resend : - Rebased to the latest tip. - Added few people to cc list. Changes : - Moved the uapi related changes from the perf side patchset to this patchset. - Made name space changes to indicate changes specific to book3s (Suggested by Scott Wood) arch/powerpc/include/uapi/asm/kvm_perf.h | 6 +++++ arch/powerpc/include/uapi/asm/kvm_perf_book3s.h | 15 ++++++++++++ arch/powerpc/include/uapi/asm/trace_book3s.h | 32 +++++++++++++++++++++++++ arch/powerpc/kvm/trace_book3s.h | 32 ------------------------- arch/powerpc/kvm/trace_hv.h | 2 +- arch/powerpc/kvm/trace_pr.h | 2 +- 6 files changed, 55 insertions(+), 34 deletions(-) create mode 100644 arch/powerpc/include/uapi/asm/kvm_perf.h create mode 100644 arch/powerpc/include/uapi/asm/kvm_perf_book3s.h create mode 100644 arch/powerpc/include/uapi/asm/trace_book3s.h delete mode 100644 arch/powerpc/kvm/trace_book3s.h diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h b/arch/powerpc/include/uapi/asm/kvm_perf.h new file mode 100644 index 0000000..5ed2ff3 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/kvm_perf.h @@ -0,0 +1,6 @@ +#ifndef _ASM_POWERPC_KVM_PERF_H +#define _ASM_POWERPC_KVM_PERF_H + +#include + +#endif diff --git a/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h b/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h new file mode 100644 index 0000000..735901f --- /dev/null +++ b/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h @@ -0,0 +1,15 @@ +#ifndef _ASM_POWERPC_KVM_PERF_BOOK3S_H +#define _ASM_POWERPC_KVM_PERF_BOOK3S_H + +#include +#include + +#define DECODE_STR_LEN 20 + +#define VCPU_ID "vcpu_id" + +#define KVM_ENTRY_TRACE "kvm_hv:kvm_guest_enter" +#define KVM_EXIT_TRACE "kvm_hv:kvm_guest_exit" +#define KVM_EXIT_REASON "trap" + +#endif /* _ASM_POWERPC_KVM_PERF_BOOK3S_H */ diff --git a/arch/powerpc/include/uapi/asm/trace_book3s.h b/arch/powerpc/include/uapi/asm/trace_book3s.h new file mode 100644 index 0000000..f647ce0 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/trace_book3s.h @@ -0,0 +1,32 @@ +#if !defined(_TRACE_KVM_BOOK3S_H) +#define _TRACE_KVM_BOOK3S_H + +/* + * Common defines used by the trace macros in trace_pr.h and trace_hv.h + */ + +#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"} + +#endif diff --git a/arch/powerpc/kvm/trace_book3s.h b/arch/powerpc/kvm/trace_book3s.h deleted file mode 100644 index f647ce0..0000000 --- a/arch/powerpc/kvm/trace_book3s.h +++ /dev/null @@ -1,32 +0,0 @@ -#if !defined(_TRACE_KVM_BOOK3S_H) -#define _TRACE_KVM_BOOK3S_H - -/* - * Common defines used by the trace macros in trace_pr.h and trace_hv.h - */ - -#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"} - -#endif diff --git a/arch/powerpc/kvm/trace_hv.h b/arch/powerpc/kvm/trace_hv.h index 33d9daf..02d0a07 100644 --- a/arch/powerpc/kvm/trace_hv.h +++ b/arch/powerpc/kvm/trace_hv.h @@ -2,7 +2,7 @@ #define _TRACE_KVM_HV_H #include -#include "trace_book3s.h" +#include #include #include diff --git a/arch/powerpc/kvm/trace_pr.h b/arch/powerpc/kvm/trace_pr.h index 810507c..a9850c6 100644 --- a/arch/powerpc/kvm/trace_pr.h +++ b/arch/powerpc/kvm/trace_pr.h @@ -3,7 +3,7 @@ #define _TRACE_KVM_PR_H #include -#include "trace_book3s.h" +#include #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm_pr