From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e38.co.us.ibm.com (e38.co.us.ibm.com [32.97.110.159]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 206921A17B0 for ; Wed, 26 Aug 2015 16:07:52 +1000 (AEST) Received: from /spool/local by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 26 Aug 2015 00:07:51 -0600 Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 43F7D3E40047 for ; Wed, 26 Aug 2015 00:07:48 -0600 (MDT) Received: from d03av05.boulder.ibm.com (d03av05.boulder.ibm.com [9.17.195.85]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t7Q67mCW39387364 for ; Tue, 25 Aug 2015 23:07:48 -0700 Received: from d03av05.boulder.ibm.com (localhost [127.0.0.1]) by d03av05.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t7Q67liQ029678 for ; Wed, 26 Aug 2015 00:07:48 -0600 From: Sukadev Bhattiprolu To: mingo@redhat.com, ak@linux.intel.com, Michael Ellerman , Jiri Olsa , Arnaldo Carvalho de Melo Cc: namhyung@kernel.org, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, Subject: [PATCH v16 05/16] perf, tools: Support CPU id matching for x86 v2 Date: Tue, 25 Aug 2015 23:05:55 -0700 Message-Id: <1440569166-22169-6-git-send-email-sukadev@linux.vnet.ibm.com> In-Reply-To: <1440569166-22169-1-git-send-email-sukadev@linux.vnet.ibm.com> References: <1440569166-22169-1-git-send-email-sukadev@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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. Signed-off-by: Andi Kleen Signed-off-by: Sukadev Bhattiprolu Acked-by: Jiri Olsa --- v2: Update to new get_cpuid_str() interface --- 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