perf kvm: Use perf_session_env for reading cpuid
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>
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@ -664,16 +664,9 @@ static struct perf_tool eops = {
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static int get_cpu_isa(struct perf_session *session)
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{
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char *cpuid;
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char *cpuid = session->header.env.cpuid;
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int isa;
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cpuid = perf_header__read_feature(session, HEADER_CPUID);
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if (!cpuid) {
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pr_err("read HEADER_CPUID failed.\n");
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return -ENOTSUP;
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}
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if (strstr(cpuid, "Intel"))
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isa = 1;
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else if (strstr(cpuid, "AMD"))
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@ -683,7 +676,6 @@ static int get_cpu_isa(struct perf_session *session)
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isa = -ENOTSUP;
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}
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free(cpuid);
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return isa;
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}
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