Rename task to packagegroup

"Package group" is a much more appropriate name for these than task,
since we use the word task to describe units of work executed by
BitBake.

(From OE-Core rev: 424dcf7046e4ad09dcc664eb1992201195247fcf)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/packagegroups/packagegroup-core-tools-profile.bb

@@ -0,0 +1,71 @@
+#
+# Copyright (C) 2008 OpenedHand Ltd.
+#
+
+DESCRIPTION = "Profile tools tasks for OE-Core"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
+                    file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+PACKAGES = "\
+    ${PN} \
+    ${PN}-dbg \
+    ${PN}-dev \
+    "
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+ALLOW_EMPTY = "1"
+
+RRECOMMENDS_${PN} = "\
+    perf \
+    trace-cmd \
+    kernel-module-oprofile \
+    blktrace \
+    sysprof \
+    "
+
+PROFILETOOLS = "\
+    oprofile \
+    oprofileui-server \
+    powertop \
+    latencytop \
+    lttng-control \
+    lttng-viewer"
+
+# systemtap needs elfutils which is not fully buildable on uclibc
+# hence we exclude it from uclibc based builds
+SYSTEMTAP = "systemtap"
+SYSTEMTAP_libc-uclibc = ""
+SYSTEMTAP_mips = ""
+
+# lttng-ust uses sched_getcpu() which is not there on uclibc
+# for some of the architectures it can be patched to call the
+# syscall directly but for x86_64 __NR_getcpu is a vsyscall
+# which means we can not use syscall() to call it. So we ignore
+# it for x86_64/uclibc
+
+LTTNGUST = "lttng-ust"
+LTTNGUST_libc-uclibc = ""
+LTTNGUST_mips = ""
+
+# valgrind does not work on mips
+
+VALGRIND = "valgrind"
+VALGRIND_libc-uclibc = ""
+VALGRIND_mips = ""
+VALGRIND_arm = ""
+
+#    exmap-console
+#    exmap-server
+
+# At present we only build lttng-ust on
+# qemux86/qemux86-64/qemuppc/qemuarm/emenlow/atom-pc since upstream liburcu
+# (which is required by lttng-ust) may not build on other platforms, like
+# MIPS.
+RDEPENDS_${PN} = "\
+    ${PROFILETOOLS} \
+    ${LTTNGUST} \
+    ${SYSTEMTAP} \
+    ${VALGRIND} \
+    "