powerpc/trace/syscalls: Update syscall name matching logic to account for ppc_ prefix
Some syscall entry functions on powerpc are prefixed with ppc_/ppc32_/ppc64_ rather than the usual sys_/__se_sys prefix. fork(), clone(), swapcontext() are some examples of syscalls with such entry points. We need to match against these names when initializing ftrace syscall tracing. Signed-off-by: NNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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