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d30ff29562
kernel-ark/tools/perf
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Namhyung Kim d30ff29562 perf tools: Warn about missing libelf 
When perf detects no libelf during the build, it'll use internal mini
elf parser instead of libelf.  But as it only supports minimal
functionalities, it also disables support to 'probe' builtin command.

Currently it didn't warned to user.  Fix it.

$ sudo apt-get remove libelf-dev
$ make
    CHK -fstack-protector-all
    CHK -Wstack-protector
    CHK -Wvolatile-register-var
    CHK bionic
    CHK libelf
    CHK glibc
Makefile:491: No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev
    CHK libunwind
    CHK libaudit

$ make NO_LIBELF=1
    CHK -fstack-protector-all
    CHK -Wstack-protector
    CHK -Wvolatile-register-var
    CHK bionic
    CHK libaudit

Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-8ww8zc4hhpxabfskxs3u5ede@git.kernel.org
[ committer note: The package needed is elfutils-libelf-devel, not elfutils-devel ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-10-31 12:17:48 -02:00
..
arch perf tools: Try to find cross-built objdump path 2012-10-24 14:20:11 -02:00
bench perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
config perf tools: Always show CHK message when doing try-cc 2012-10-26 11:22:24 -02:00
Documentation perf stat: Add --pre and --post command 2012-10-26 11:22:25 -02:00
python
scripts perf scripts: Add event_analyzing_sample-record/report 2012-09-17 13:11:15 -03:00
ui perf hists browser: Integrate script browser into main hists browser 2012-10-29 11:56:19 -02:00
util perf python: Initialize 'page_size' variable 2012-10-29 12:36:46 -02:00
.gitignore perf tools: Ignore compiled python binaries 2012-09-07 12:10:58 -03:00
bash_completion perf tools: Complete tracepoint event names 2012-10-04 12:44:52 -03:00
builtin-annotate.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-bench.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-buildid-cache.c perf tools: Move BUILD_ID_SIZE into build-id object 2012-10-29 11:35:32 -02:00
builtin-buildid-list.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-diff.c perf event: No need to create a thread when handling PERF_RECORD_EXIT 2012-10-06 16:33:45 -03:00
builtin-evlist.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-help.c perf help: Fix --help for builtins 2012-10-22 12:35:49 -02:00
builtin-inject.c perf inject: Mark a dso if it's used 2012-10-26 11:22:25 -02:00
builtin-kmem.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-kvm.c perf kvm: Add braces around multi-line statements 2012-10-08 17:15:54 -03:00
builtin-list.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-lock.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-probe.c perf probe: Don't use globals where not needed to 2012-10-02 18:36:37 -03:00
builtin-record.c perf record: Fix mmap error output condition 2012-10-29 12:14:59 -02:00
builtin-report.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-sched.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-script.c perf script: Add more filter to find_scripts() 2012-10-29 11:46:23 -02:00
builtin-stat.c perf stat: Add --pre and --post command 2012-10-26 11:22:25 -02:00
builtin-test.c perf test: Align the 'Ok'/'FAILED!' test results 2012-10-24 15:44:41 -02:00
builtin-timechart.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
builtin-top.c perf tools: Give user better message if precise is not supported 2012-10-24 14:20:11 -02:00
builtin-trace.c perf trace: Use sched:sched_stat_runtime to provide a thread summary 2012-10-25 10:57:43 -02:00
builtin.h perf trace: New tool 2012-09-26 20:42:23 -03:00
command-list.txt perf trace: New tool 2012-09-26 20:42:23 -03:00
CREDITS
design.txt perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP 2012-05-31 11:38:42 -03:00
Makefile perf tools: Warn about missing libelf 2012-10-31 12:17:48 -02:00
MANIFEST perf kvm: Events analysis tool 2012-09-21 12:51:22 -03:00
perf-archive.sh perf archive: Make 'f' the last parameter for tar 2012-09-17 13:10:42 -03:00
perf.c perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00
perf.h perf tools: Add a global variable "const char *input_name" 2012-10-29 11:45:34 -02:00