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443a70541c
So that we can debug feature detection problems.
It will appear on $(OUTPUT)feature-checks/.make-libbabeltrace.output,
using the libbabeltrace feature test.
Whole process:
[acme@ssdandy linux]$ make -C tools/perf install-bin
make: Entering directory `/home/acme/git/linux/tools/perf'
BUILD: Doing 'make -j8' parallel build
config/Makefile:425: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR
config/Makefile:709: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ OFF ]
... libdw-dwarf-unwind: [ on ]
... libbabeltrace: [ OFF ]
<SNIP>
[acme@ssdandy linux]$ find tools/perf -name ".make-*.output" | grep lib | tail -5
tools/perf/config/feature-checks/.make-libdw-dwarf-unwind.output
tools/perf/config/feature-checks/.make-libbabeltrace.output
tools/perf/config/feature-checks/.make-zlib.output
tools/perf/config/feature-checks/.make-liberty.output
tools/perf/config/feature-checks/.make-liberty-z.output
[acme@ssdandy linux]$
[acme@ssdandy linux]$ cat tools/perf/config/feature-checks/.make-libbabeltrace.output
make[1]: Entering directory `/home/acme/git/linux/tools/perf/config/feature-checks'
gcc -MD -Wall -Werror -o test-libbabeltrace.bin test-libbabeltrace.c -Wl,-z,noexecstack -lbabeltrace-ctf # -lbabeltrace provided by
test-libbabeltrace.c:2:42: fatal error: babeltrace/ctf-writer/writer.h: No such file or directory
#include <babeltrace/ctf-writer/writer.h>
^
compilation terminated.
make[1]: *** [test-libbabeltrace.bin] Error 1
make[1]: Leaving directory `/home/acme/git/linux/tools/perf/config/feature-checks'
[acme@ssdandy linux]$
So the libbabeltrace feature will not be builtin, but if we do what is required for it
to be built, namely point where we have it installed:
[acme@ssdandy linux]$ time make -C tools/perf LIBBABELTRACE_DIR=/opt/libbabeltrace install-bin
make: Entering directory `/home/acme/git/linux/tools/perf'
BUILD: Doing 'make -j8' parallel build
config/Makefile:425: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ OFF ]
... libdw-dwarf-unwind: [ on ]
... libbabeltrace: [ on ]
... zlib: [ on ]
... DWARF post unwind library: libdw
<SNIP>
[acme@ssdandy linux]$ find tools/perf -name ".make-libbabel*.output" | grep lib | tail -5
tools/perf/config/feature-checks/.make-libbabeltrace.output
[acme@ssdandy linux]$ cat tools/perf/config/feature-checks/.make-libbabeltrace.output
make[1]: Entering directory `/home/acme/git/linux/tools/perf/config/feature-checks'
gcc -MD -I/opt/libbabeltrace/include -Wall -Werror -o test-libbabeltrace.bin test-libbabeltrace.c -Wl,-z,noexecstack -L/opt/libbabeltrace/lib -lbabeltrace-ctf # -lbabeltrace provided by
make[1]: Leaving directory `/home/acme/git/linux/tools/perf/config/feature-checks'
[acme@ssdandy linux]$
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeremie Galarneau <jgalar@efficios.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-h53xwueqwdeeiqcv9f50nqqb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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|---|---|---|
| .. | ||
| arch | ||
| bench | ||
| config | ||
| Documentation | ||
| python | ||
| scripts | ||
| tests | ||
| ui | ||
| util | ||
| .gitignore | ||
| Build | ||
| builtin-annotate.c | ||
| builtin-bench.c | ||
| builtin-buildid-cache.c | ||
| builtin-buildid-list.c | ||
| builtin-data.c | ||
| builtin-diff.c | ||
| builtin-evlist.c | ||
| builtin-help.c | ||
| builtin-inject.c | ||
| builtin-kmem.c | ||
| builtin-kvm.c | ||
| builtin-list.c | ||
| builtin-lock.c | ||
| builtin-mem.c | ||
| builtin-probe.c | ||
| builtin-record.c | ||
| builtin-report.c | ||
| builtin-sched.c | ||
| builtin-script.c | ||
| builtin-stat.c | ||
| builtin-timechart.c | ||
| builtin-top.c | ||
| builtin-trace.c | ||
| builtin.h | ||
| command-list.txt | ||
| CREDITS | ||
| design.txt | ||
| Makefile | ||
| Makefile.perf | ||
| MANIFEST | ||
| perf-archive.sh | ||
| perf-completion.sh | ||
| perf-read-vdso.c | ||
| perf-sys.h | ||
| perf-with-kcore.sh | ||
| perf.c | ||
| perf.h | ||