From patchwork Mon Jan 29 08:34:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ravi Bangoria X-Patchwork-Id: 867042 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zVNF16P4qz9s71 for ; Mon, 29 Jan 2018 19:37:57 +1100 (AEDT) Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3zVNF15RBJzF0Q6 for ; Mon, 29 Jan 2018 19:37:57 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=ravi.bangoria@linux.vnet.ibm.com; receiver=) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zVN7L4ZvyzDr5P for ; Mon, 29 Jan 2018 19:33:02 +1100 (AEDT) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w0T8OFbZ011271 for ; Mon, 29 Jan 2018 03:33:00 -0500 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2fsx6tmtfd-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 29 Jan 2018 03:32:59 -0500 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Mon, 29 Jan 2018 08:32:53 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w0T8WrO165011928; Mon, 29 Jan 2018 08:32:53 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1E73B11C04A; Mon, 29 Jan 2018 08:26:25 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6E15D11C04C; Mon, 29 Jan 2018 08:26:23 +0000 (GMT) Received: from bangoria.in.ibm.com (unknown [9.124.31.133]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 29 Jan 2018 08:26:23 +0000 (GMT) From: Ravi Bangoria To: acme@kernel.org Subject: [PATCH 2/3] perf powerpc: Generate system call table from asm/unistd.h Date: Mon, 29 Jan 2018 14:04:16 +0530 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180129083417.31240-1-ravi.bangoria@linux.vnet.ibm.com> References: <20180129083417.31240-1-ravi.bangoria@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18012908-0012-0000-0000-000005A8D17C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18012908-0013-0000-0000-0000192469F7 Message-Id: <20180129083417.31240-3-ravi.bangoria@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-01-29_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1801290114 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alexander.shishkin@linux.intel.com, linuxppc-dev@lists.ozlabs.org, tmricht@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, Ravi Bangoria , brueckner@linux.vnet.ibm.com, namhyung@kernel.org, jolsa@redhat.com Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This should speed up accessing new system calls introduced with the kernel rather than waiting for libaudit updates to include them. Signed-off-by: Ravi Bangoria --- tools/perf/arch/powerpc/Makefile | 21 +++++++++++++ .../perf/arch/powerpc/entry/syscalls/mksyscalltbl | 35 ++++++++++++++++++++++ 2 files changed, 56 insertions(+) create mode 100755 tools/perf/arch/powerpc/entry/syscalls/mksyscalltbl diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile index 42dab7c..c93e8f4 100644 --- a/tools/perf/arch/powerpc/Makefile +++ b/tools/perf/arch/powerpc/Makefile @@ -6,3 +6,24 @@ endif HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1 PERF_HAVE_JITDUMP := 1 + +# +# Syscall table generation for perf +# + +out := $(OUTPUT)arch/powerpc/include/generated/asm +header := $(out)/syscalls_64.c +sysdef := $(srctree)/tools/arch/powerpc/include/uapi/asm/unistd.h +sysprf := $(srctree)/tools/perf/arch/powerpc/entry/syscalls/ +systbl := $(sysprf)/mksyscalltbl + +# Create output directory if not already present +_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') + +$(header): $(sysdef) $(systbl) + $(Q)$(SHELL) '$(systbl)' '$(CC)' $(sysdef) > $@ + +clean:: + $(call QUIET_CLEAN, powerpc) $(RM) $(header) + +archheaders: $(header) diff --git a/tools/perf/arch/powerpc/entry/syscalls/mksyscalltbl b/tools/perf/arch/powerpc/entry/syscalls/mksyscalltbl new file mode 100755 index 0000000..975947c --- /dev/null +++ b/tools/perf/arch/powerpc/entry/syscalls/mksyscalltbl @@ -0,0 +1,35 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate system call table for perf. Derived from +# s390 script. +# +# Copyright IBM Corp. 2017 +# Author(s): Hendrik Brueckner +# Changed by: Ravi Bangoria + +gcc=$1 +input=$2 + +if ! test -r $input; then + echo "Could not read input file" >&2 + exit 1 +fi + +create_table() +{ + local max_nr + + echo 'static const char *syscalltbl_powerpc_64[] = {' + while read sc nr; do + printf '\t[%d] = "%s",\n' $nr $sc + max_nr=$nr + done + echo '};' + echo "#define SYSCALLTBL_POWERPC_64_MAX_ID $max_nr" +} + +$gcc -m64 -E -dM -x c $input \ + |sed -ne 's/^#define __NR_//p' \ + |sort -t' ' -k2 -nu \ + |create_table