From f556cc03b29ae514d57a8c4206b0ae8a16a68efa Mon Sep 17 00:00:00 2001
From: Chanho Park <chanho61.park@samsung.com>
Date: Tue, 21 Jan 2014 10:11:34 +0900
Subject: tizen: packaging: support perf build

Change-Id: Idc375608e3bde344347de6ad37c434b5f16aefbc
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 packaging/linux-kernel.spec | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/packaging/linux-kernel.spec b/packaging/linux-kernel.spec
index bc789fed7d9..ce062c8a249 100644
--- a/packaging/linux-kernel.spec
+++ b/packaging/linux-kernel.spec
@@ -20,6 +20,12 @@ BuildRoot: %{_tmppath}/%{name}-%{PACKAGE_VERSION}-root
 BuildRequires: linux-glibc-devel
 BuildRequires: u-boot-tools
 BuildRequires: bc
+# The below is required for building perf
+BuildRequires: libelf-devel
+BuildRequires: flex
+BuildRequires: bison
+BuildRequires: libdw-devel
+BuildRequires: python-devel
 
 Provides: kernel = %{version}-%{release}
 Provides: kernel-uname-r = %{fullVersion}
@@ -50,6 +56,15 @@ Requires: %{name} = %{version}-%{release}
 %description devel
 Prebuilt linux kernel for out-of-tree modules.
 
+%package -n perf
+Summary: The 'perf' performance counter tool
+Group: Development/System
+Provides: perf = %{kernel_full_version}
+
+%description -n perf
+This package provides the "perf" tool that can be used to monitor performance
+counter events as well as various kernel internal events.
+
 %prep
 %setup -q
 
@@ -65,6 +80,10 @@ make EXTRAVERSION="-%{build_id}" dtbs %{?_smp_mflags}
 # 3. Build modules
 make EXTRAVERSION="-%{build_id}" modules %{?_smp_mflags}
 
+# 3.1 Build perf
+make -s -C tools/lib/traceevent ARCH=%{buildarch} %{?_smp_mflags}
+make -s -C tools/perf WERROR=0 ARCH=%{buildarch}
+
 # 4. Create tar repo for build directory
 tar cpsf linux-kernel-build-%{fullVersion}.tar .
 
@@ -90,6 +109,15 @@ make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=%{buildroot} modules_install
 # 4. Install kernel headers
 make INSTALL_PATH=%{buildroot} INSTALL_MOD_PATH=%{buildroot} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
 
+# 4.1 Install perf
+install -d %{buildroot}
+make -s -C tools/perf DESTDIR=%{buildroot} install
+install -d  %{buildroot}/usr/bin
+install -d  %{buildroot}/usr/libexec
+mv %{buildroot}/bin/* %{buildroot}/usr/bin/
+mv %{buildroot}/libexec/* %{buildroot}/usr/libexec/
+rm %{buildroot}/etc/bash_completion.d/perf
+
 # 5. Restore source and build irectory
 tar -xf linux-kernel-build-%{fullVersion}.tar -C %{buildroot}/usr/src/linux-kernel-build-%{fullVersion}
 mv %{buildroot}/usr/src/linux-kernel-build-%{fullVersion}/arch/%{buildarch} .
@@ -145,3 +173,8 @@ rm -rf %{buildroot}
 /boot/config*
 /lib/modules/%{fullVersion}/kernel
 /lib/modules/%{fullVersion}/modules.*
+
+%files -n perf
+%license COPYING
+/usr/bin/perf
+/usr/libexec/perf-core
-- 
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