jjb: Update modules based jobs
[lttng-ci.git] / scripts / latency-tracker / param-build.sh
CommitLineData
81fa42ce
MJ
1#!/bin/sh -exu
2#
3# Copyright (C) 2016 - Michael Jeanson <mjeanson@efficios.com>
4#
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18## FUNCTIONS ##
19
20# Kernel version compare functions
21verlte() {
22 [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ]
23}
24
25verlt() {
26 [ "$1" = "$2" ] && return 1 || verlte $1 $2
27}
28
29vergte() {
30 [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | tail -n1`" ]
31}
32
33vergt() {
34 [ "$1" = "$2" ] && return 1 || vergte $1 $2
35}
36
37
38prepare_lnx_sources() {
39
40 outdir=$1
41
42 if [ "$outdir" = "." ]; then
43 koutput=""
44 else
45 koutput="O=\"${outdir}\""
46 fi
47
48 # Generate kernel configuration
49 case "$kversion" in
50 Ubuntu*)
51 fakeroot debian/rules clean
52 fakeroot debian/rules genconfigs
53 cp CONFIGS/${ubuntu_config} "${outdir}"/.config
54 ;;
55 *)
56 # Que sera sera
57 make ${koutput} allyesconfig CC=$CC
58 ;;
59 esac
60
61 # GCC 4.8
62 sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config
63
64 # Don't try to sign modules
65 sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config
66
67 # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
68 sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" "${outdir}"/.config
69
70 # Enable CONFIG_KALLSYMS_ALL
71 echo "CONFIG_KPROBES=y" >> "${outdir}"/.config
72 echo "CONFIG_FTRACE=y" >> "${outdir}"/.config
73 echo "CONFIG_BLK_DEV_IO_TRACE=y" >> "${outdir}"/.config
74 echo "CONFIG_TRACEPOINTS=y" >> "${outdir}"/.config
75 echo "CONFIG_KALLSYMS_ALL=y" >> "${outdir}"/.config
76
77
e9b44189 78 make ${koutput} olddefconfig CC=$CC
81fa42ce
MJ
79 make ${koutput} modules_prepare CC=$CC
80
81 # Version specific tasks
82 case "$kversion" in
83 Ubuntu*)
84 # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
85 ABINUM=$(echo $kversion | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')
86 echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${outdir}/include/generated/utsrelease.h
87 ;;
88 esac
89
90 # On powerpc this object is required to link modules
91 if [ "${karch}" = "powerpc" ]; then
92 make ${koutput} arch/powerpc/lib/crtsavres.o CC=$CC
93 fi
94}
95
96
97
98build_modules() {
99
100 kdir="$1"
101 bdir="$2"
102
103 # Get kernel version from source tree
104 cd "${kdir}"
105 kversion=$(make kernelversion)
106
107 # Enter latency-tracker source dir
108 cd "${LTTSRCDIR}"
109
110 # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
111 # timekeeping subsystem. We want those build to fail.
112 if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
113 { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
114
115 set +e
116
117 # Build modules
118 KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC
119
120 # We expect this build to fail, if it doesn't, fail the job.
121 if [ "$?" -eq 0 ]; then
e9b44189 122 echo "This build should have failed."
81fa42ce
MJ
123 exit 1
124 fi
125
126 # We have to publish at least one file or the build will fail
127 echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko"
128
129 set -e
130
131 KERNELDIR="${kdir}" make clean CC=$CC
132
133 else # Regular build
134
135 # Build modules against full kernel sources
136 KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC
137
138 # Install modules to build dir
139 KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install CC=$CC
140
141 # Clean build dir
142 KERNELDIR="${kdir}" make clean CC=$CC
143 fi
144}
145
146
147## MAIN ##
148
81fa42ce
MJ
149# Use all CPU cores
150NPROC=$(nproc)
151
152LTTSRCDIR="${WORKSPACE}/src/latency-tracker"
153LNXSRCDIR="${WORKSPACE}/src/linux"
154
155LNXBUILDDIR="${WORKSPACE}/build/linux"
156LNXHDRDIR="${WORKSPACE}/build/linux-headers"
157
158LTTBUILDKSRCDIR="${WORKSPACE}/build/latency-tracker-ksrc"
159LTTBUILDKHDRDIR="${WORKSPACE}/build/latency-tracker-khdr"
160
161
162# Setup cross compile env if available
163if [ "x${cross_arch:-}" != "x" ]; then
164
165 case "$cross_arch" in
166 "armhf")
167 karch="arm"
168 cross_compile="arm-linux-gnueabihf-"
169 ubuntu_config="armhf-config.flavour.generic"
170 ;;
171
172 "arm64")
173 karch="arm64"
174 cross_compile="aarch64-linux-gnu-"
175 ubuntu_config="arm64-config.flavour.generic"
176 ;;
177
178 "powerpc")
179 karch="powerpc"
180 cross_compile="powerpc-linux-gnu-"
181 ubuntu_config="powerpc-config.flavour.powerpc-smp"
182 ;;
183
184 "ppc64el")
185 karch="powerpc"
186 cross_compile="powerpc64le-linux-gnu-"
187 ubuntu_config="ppc64el-config.flavour.generic"
188 ;;
189
190 *)
191 echo "Unsupported cross arch $arch"
192 exit 1
193 ;;
194 esac
195
e9b44189
MJ
196 # Use default gcc when cross-compiling
197 CC="${cross_compile}gcc"
198
81fa42ce
MJ
199 # Export variables used by Kbuild for cross compilation
200 export ARCH="${karch}"
201 export CROSS_COMPILE="${cross_compile}"
202
81fa42ce
MJ
203# Set arch specific values if we are not cross compiling
204elif [ "x${arch:-}" != "x" ]; then
e9b44189 205
81fa42ce
MJ
206 case "$arch" in
207 "x86-32")
208 karch="x86"
209 ubuntu_config="i386-config.flavour.generic"
210 ;;
211
212 "x86-64")
213 karch="x86"
214 ubuntu_config="amd64-config.flavour.generic"
215 ;;
216
217 "armhf")
218 karch="arm"
219 ubuntu_config="armhf-config.flavour.generic"
220 ;;
221
222 "arm64")
223 karch="arm64"
224 ubuntu_config="arm64-config.flavour.generic"
225 ;;
226
227 "powerpc")
228 karch="powerpc"
229 ubuntu_config="powerpc-config.flavour.powerpc-smp"
230 ;;
231
232 "ppc64el")
233 karch="powerpc"
234 ubuntu_config="ppc64el-config.flavour.generic"
235 ;;
236
237 *)
238 echo "Unsupported arch $arch"
239 exit 1
240 ;;
241 esac
e9b44189
MJ
242
243 # Use gcc 4.9, older kernel don't build with gcc 5
244 CC=gcc-4.9
245
81fa42ce
MJ
246else
247 echo "Not arch or cross_arch specified"
248 exit 1
249fi
250
251
252
253
254# Create build directories
255mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"
256
257
258
259## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
260
261# Enter linux source dir
262cd "${LNXSRCDIR}"
263
264prepare_lnx_sources "."
265
266# For RT kernels, copy version file
267if [ -s localversion-rt ]; then
268 cp -a localversion-rt "${LNXHDRDIR}"
269fi
270
271# Copy all Makefile related stuff
272find . -path './include/*' -prune \
273 -o -path './scripts/*' -prune -o -type f \
274 \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
275 -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
276 -print | cpio -pd --preserve-modification-time "${LNXHDRDIR}"
277
278# Copy base scripts and include dirs
279cp -a scripts include "${LNXHDRDIR}"
280
281# Copy arch includes
282(find arch -name include -type d -print | \
283 xargs -n1 -i: find : -type f) | \
284 cpio -pd --preserve-modification-time "${LNXHDRDIR}"
285
286# Copy arch scripts
287(find arch -name scripts -type d -print | \
288 xargs -n1 -i: find : -type f) | \
289 cpio -pd --preserve-modification-time "${LNXHDRDIR}"
290
291# Cleanup scripts
292rm -f "${LNXHDRDIR}/scripts/*.o"
293rm -f "${LNXHDRDIR}/scripts/*/*.o"
294
295# On powerpc this object is required to link modules
296if [ "${karch}" = "powerpc" ]; then
297 cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
298fi
299
300# Copy modules related stuff, if available
301if [ -s Module.symvers ]; then
302 cp Module.symvers "${LNXHDRDIR}"
303fi
304
305if [ -s System.map ]; then
306 cp System.map "${LNXHDRDIR}"
307fi
308
309if [ -s Module.markers ]; then
310 cp Module.markers "${LNXHDRDIR}"
311fi
312
313# Copy config file
314cp .config "${LNXHDRDIR}"
315
316# Make sure the Makefile and version.h have a matching timestamp so that
317# external modules can be built
318if [ -s "${LNXHDRDIR}/include/generated/uapi/linux/version.h" ]; then
319 touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/generated/uapi/linux/version.h"
320elif [ -s "${LNXHDRDIR}/include/linux/version.h" ]; then
321 touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/linux/version.h"
322else
323 echo "Missing version.h"
324 exit 1
325fi
326touch -r "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/generated/autoconf.h"
327
328# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
329cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf"
330
331
332
333
334## PREPARE FULL LINUX SOURCE TREE
335
336# Enter linux source dir
337cd "${LNXSRCDIR}"
338
339# Make sure linux source dir is clean
340git clean -xdf
341
342prepare_lnx_sources "${LNXBUILDDIR}"
343
344
345## BUILD modules
346
347# Build modules against full kernel sources
348build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}"
349
350# Build modules against kernel headers
351build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
352
353# Make sure modules were built
354tree "${LTTBUILDKSRCDIR}"
355if [ "x$(find "${LTTBUILDKSRCDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
356 echo "No modules built!"
357 exit 1
358fi
359
360tree "${LTTBUILDKHDRDIR}"
361if [ "x$(find "${LTTBUILDKHDRDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
362 echo "No modules built!"
363 exit 1
364fi
365
366# EOF
This page took 0.03566 seconds and 4 git commands to generate.