https://community.intel.com/t5/Software-Tuning-Performance/About-PMU/m-p/1130097#M6389 <P>I'm new to PMU development, I'm curious about the following question about PMU:</P> <P>1) I have read&nbsp;IA32_MISC_ENABLE MSR and the bit[7] always is zero , but the bit[12] always set, what does it mean? The CPU is supported PEBS or not supported??</P> <P>2) Does PEBS provided the functionality that can trap all of branch , such as , syscall ? what is the basic step for doing this?</P> <P>3) without PEBS , I tired to set a PMC0 with&nbsp;Ia32PerfEvtseL0 , and set the PMC0 to be negative number , &nbsp;however, the PMI doesn't happened... why is that..??</P> <P>4) I have do a following setting , but there is not PMI generated</P> <P><span class="lia-inline-image-display-wrapper" image-alt="{AA2A6F71-E766-4504-BCF3-B64F0857760A}.png"><img src="https://community.intel.com/t5/image/serverpage/image-id/9714i152DBDFCB8754BE2/image-size/large?v=v2&amp;px=999&amp;whitelist-exif-data=Orientation%2CResolution%2COriginalDefaultFinalSize%2CCopyright" role="button" title="{AA2A6F71-E766-4504-BCF3-B64F0857760A&amp;#125;.png" alt="{AA2A6F71-E766-4504-BCF3-B64F0857760A&amp;#125;.png" /></span></P> <P>CPU Model : 60&nbsp;</P> <P>where g_Event is 0xC2 and g_mask is 1&nbsp;</P> <P>&nbsp;</P> <P>Thank you :)</P> <DIV><IMG src="C:\Users\KELVIN~1\AppData\Local\Temp\{AA2A6F71-E766-4504-BCF3-B64F0857760A}.png" /></DIV> Mon, 25 Sep 2017 03:15:34 GMT Kelvin_C_ 2017-09-25T03:15:34Z https://community.intel.com/t5/Software-Tuning-Performance/About-PMU/m-p/1130097#M6389 <P>I'm new to PMU development, I'm curious about the following question about PMU:</P> <P>1) I have read&nbsp;IA32_MISC_ENABLE MSR and the bit[7] always is zero , but the bit[12] always set, what does it mean? The CPU is supported PEBS or not supported??</P> <P>2) Does PEBS provided the functionality that can trap all of branch , such as , syscall ? what is the basic step for doing this?</P> <P>3) without PEBS , I tired to set a PMC0 with&nbsp;Ia32PerfEvtseL0 , and set the PMC0 to be negative number , &nbsp;however, the PMI doesn't happened... why is that..??</P> <P>4) I have do a following setting , but there is not PMI generated</P> <P><span class="lia-inline-image-display-wrapper" image-alt="{AA2A6F71-E766-4504-BCF3-B64F0857760A}.png"><img src="https://community.intel.com/t5/image/serverpage/image-id/9714i152DBDFCB8754BE2/image-size/large?v=v2&amp;px=999&amp;whitelist-exif-data=Orientation%2CResolution%2COriginalDefaultFinalSize%2CCopyright" role="button" title="{AA2A6F71-E766-4504-BCF3-B64F0857760A&amp;#125;.png" alt="{AA2A6F71-E766-4504-BCF3-B64F0857760A&amp;#125;.png" /></span></P> <P>CPU Model : 60&nbsp;</P> <P>where g_Event is 0xC2 and g_mask is 1&nbsp;</P> <P>&nbsp;</P> <P>Thank you :)</P> <DIV><IMG src="C:\Users\KELVIN~1\AppData\Local\Temp\{AA2A6F71-E766-4504-BCF3-B64F0857760A}.png" /></DIV> Mon, 25 Sep 2017 03:15:34 GMT https://community.intel.com/t5/Software-Tuning-Performance/About-PMU/m-p/1130097#M6389 Kelvin_C_ 2017-09-25T03:15:34Z