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perf kvm: Use perf_session_env for reading cpuid

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We have processed and saved cpuid information to perf_session_env so
reuse it for get_cpu_isa().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Dong Hao <haodong@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1348474503-15070-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-09-24 17:15:02 +09:00 committed by Arnaldo Carvalho de Melo
parent 3d7eb86b9d
commit 2f9e97aa8b
1 changed files with 1 additions and 9 deletions
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10
tools/perf/builtin-kvm.c
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@ -664,16 +664,9 @@ static struct perf_tool eops = {
static int get_cpu_isa(struct perf_session *session)
{
char *cpuid;
char *cpuid = session->header.env.cpuid;
int isa;
cpuid = perf_header__read_feature(session, HEADER_CPUID);
if (!cpuid) {
pr_err("read HEADER_CPUID failed.\n");
return -ENOTSUP;
}
if (strstr(cpuid, "Intel"))
isa = 1;
else if (strstr(cpuid, "AMD"))
@ -683,7 +676,6 @@ static int get_cpu_isa(struct perf_session *session)
isa = -ENOTSUP;
}
free(cpuid);
return isa;
}