Yep e500mc supports performance counters in hardware. Found the mapping for the kernel call in /arch/powerpc/include/asm/systbl.h<br><br><div class="gmail_quote">On Tue, Jun 28, 2011 at 8:03 PM, ashwath narasimhan <span dir="ltr">&lt;<a href="mailto:ashwath.narasimhan@oneconvergence.com">ashwath.narasimhan@oneconvergence.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hello,<div><br></div><div> I am new to the powerpc architecture and I am trying to use perf_event_open() system call for power pc architecture (e500mc) using 2.6.32 kernel distribution. Is this system call number supported for power pc architecture? If yes, is there something similar to  arch/x86/kernel/syscall_table_32.S  listing for powerpc that indicates the number for the above system call?</div>

<div><br></div><div>Thanks in advance for assisting me. Please email me at <a href="mailto:ashwath.narasimhan@oneconvergence.com" target="_blank">ashwath.narasimhan@oneconvergence.com</a><br clear="all"><br>-- <br>-Ash<br>

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</blockquote></div><br><br clear="all"><br>-- <br>-Ash<br>