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commit ef501aa609f49c06df9f33c9a7330dffd71b31b3
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Author: Maynard Johnson <maynardj@us.ibm.com>
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Date: Thu Oct 31 11:11:06 2013 -0500
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Fix handling of default named unit masks longer than 11 chars
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The handling of default unit masks that are names instead of hex
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values is new with oprofile 0.9.9. I've discovered a bug in this
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handling when the name exceeds 11 characters. For example, on
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Sandybridge, the following ocount command fails:
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[mpjohn@oc1757000783 test-stuff]$ ocount -e l1d_blocks ls
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Cannot find unit mask bank_confli for l1d_blocks
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Unable to find unit mask info for bank_confli for event l1d_blocks
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This problem was due to the char array ('mask') being too small.
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Signed-off-by: Maynard Johnson <maynardj@us.ibm.com>
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diff --git a/libpe_utils/op_pe_utils.cpp b/libpe_utils/op_pe_utils.cpp
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index 177835e..9e2addb 100644
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--- a/libpe_utils/op_pe_utils.cpp
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+++ b/libpe_utils/op_pe_utils.cpp
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@@ -413,8 +413,8 @@ static void _get_event_code(operf_event_t * event, op_cpu cpu_type)
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#if defined(__i386__) || defined(__x86_64__)
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+ char mask[OP_MAX_UM_NAME_LEN];
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// Setup EventSelct[11:8] field for AMD
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- char mask[12];
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const char * vendor_AMD = "AuthenticAMD";
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if (op_is_cpu_vendor((char *)vendor_AMD)) {
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config = base_code & 0xF00ULL;
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