From: David Ahern <dsahern@gmail.com>
Date: Thu, 5 Dec 2013 02:41:39 +0000 (-0700)
Subject: perf trace: Add support for syscalls vs raw_syscalls
X-Git-Tag: v3.14-rc1~171^2~15^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9aca7f1792c5d2d5d367bbe5cfe204fe40517929;p=pandora-kernel.git

perf trace: Add support for syscalls vs raw_syscalls

Older kernels (e.g., RHEL6) do system call tracing via
syscalls:sys_{enter,exit} rather than raw_syscalls. Update perf-trace to
detect lack of raw_syscalls support and try syscalls.

Signed-off-by: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1386211302-31303-2-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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