From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753396AbbE0VYY (ORCPT ); Wed, 27 May 2015 17:24:24 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:54610 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753145AbbE0VYJ (ORCPT ); Wed, 27 May 2015 17:24:09 -0400 From: Sukadev Bhattiprolu To: mingo@redhat.com, ak@linux.intel.com, Michael Ellerman , Jiri Olsa , Arnaldo Carvalho de Melo , Paul Mackerras Cc: namhyung@kernel.org, linuxppc-dev@lists.ozlabs.org, Subject: [PATCH 06/10] perf, tools: Support CPU id matching for x86 v2 Date: Wed, 27 May 2015 14:23:25 -0700 Message-Id: <1432761809-4344-7-git-send-email-sukadev@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1432761809-4344-1-git-send-email-sukadev@linux.vnet.ibm.com> References: <1432761809-4344-1-git-send-email-sukadev@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15052721-0009-0000-0000-00000B34DAD0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Implement the code to match CPU types to mapfile types for x86 based on CPUID. This extends an existing similar function, but changes it to use the x86 mapfile cpu description. This allows to resolve event lists generated by jevents. v2: Update to new get_cpuid_str() interface Signed-off-by: Andi Kleen --- tools/perf/arch/x86/util/header.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c index 146d12a..a74a48d 100644 --- a/tools/perf/arch/x86/util/header.c +++ b/tools/perf/arch/x86/util/header.c @@ -19,8 +19,8 @@ cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c, : "a" (op)); } -int -get_cpuid(char *buffer, size_t sz) +static int +__get_cpuid(char *buffer, size_t sz, const char *fmt) { unsigned int a, b, c, d, lvl; int family = -1, model = -1, step = -1; @@ -48,7 +48,7 @@ get_cpuid(char *buffer, size_t sz) if (family >= 0x6) model += ((a >> 16) & 0xf) << 4; } - nb = scnprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step); + nb = scnprintf(buffer, sz, fmt, vendor, family, model, step); /* look for end marker to ensure the entire data fit */ if (strchr(buffer, '$')) { @@ -57,3 +57,21 @@ get_cpuid(char *buffer, size_t sz) } return -1; } + +int +get_cpuid(char *buffer, size_t sz) +{ + return __get_cpuid(buffer, sz, "%s,%u,%u,%u$"); +} + +char * +get_cpuid_str(void) +{ + char *buf = malloc(128); + + if (__get_cpuid(buf, 128, "%s-%u-%X$") < 0) { + free(buf); + return NULL; + } + return buf; +} -- 1.7.9.5