linux-kernel - Re: [PATCH 1/3] libperf: Move libperf under tools/lib/perf

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Message-ID: <20191206150706.GD31721@krava>
Date:   Fri, 6 Dec 2019 16:07:06 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>
Subject: Re: [PATCH 1/3] libperf: Move libperf under tools/lib/perf

On Fri, Dec 06, 2019 at 11:27:54AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Dec 06, 2019 at 02:55:11PM +0100, Jiri Olsa escreveu:
> > Moving libperf from its current location under perf
> > to separate directory under tools/lib.
> 
> Breaks the build/bisection:

yes, I noted that in the cover email, the 2nd patch repairs paths,
but those changes would get lost in the move.. I can squash it
if you want, but I thought this is more transparent despite the
one-commit-long broken bisect ;-)

jirka

> 
> [acme@...co perf]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; make O=/tmp/build/perf  -C tools/perf install-bin
> make: Entering directory '/home/acme/git/perf/tools/perf'
>   BUILD:   Doing 'make -j8' parallel build
>   HOSTCC   /tmp/build/perf/fixdep.o
>   HOSTLD   /tmp/build/perf/fixdep-in.o
>   LINK     /tmp/build/perf/fixdep
> 
> Auto-detecting system features:
> ...                         dwarf: [ on  ]
> ...            dwarf_getlocations: [ on  ]
> ...                         glibc: [ on  ]
> ...                          gtk2: [ on  ]
> ...                      libaudit: [ on  ]
> ...                        libbfd: [ on  ]
> ...                        libcap: [ on  ]
> ...                        libelf: [ on  ]
> ...                       libnuma: [ on  ]
> ...        numa_num_possible_cpus: [ on  ]
> ...                       libperl: [ on  ]
> ...                     libpython: [ on  ]
> ...                     libcrypto: [ on  ]
> ...                     libunwind: [ on  ]
> ...            libdw-dwarf-unwind: [ on  ]
> ...                          zlib: [ on  ]
> ...                          lzma: [ on  ]
> ...                     get_cpuid: [ on  ]
> ...                           bpf: [ on  ]
> ...                        libaio: [ on  ]
> ...                       libzstd: [ on  ]
> ...        disassembler-four-args: [ on  ]
> 
>   GEN      /tmp/build/perf/common-cmds.h
> make[3]: *** /home/acme/git/perf/tools/perf/lib/: No such file or directory.  Stop.
> make[2]: *** [Makefile.perf:785: /tmp/build/perf/libperf.a] Error 2
> make[2]: *** Waiting for unfinished jobs....
>   MKDIR    /tmp/build/perf/fd/
>   MKDIR    /tmp/build/perf/fs/
>   CC       /tmp/build/perf/exec-cmd.o
>   CC       /tmp/build/perf/fd/array.o
>   CC       /tmp/build/perf/fs/fs.o
>   CC       /tmp/build/perf/cpu.o
>   CC       /tmp/build/perf/help.o
>   LD       /tmp/build/perf/fd/libapi-in.o
>   CC       /tmp/build/perf/event-parse.o
>   CC       /tmp/build/perf/event-plugin.o
>   CC       /tmp/build/perf/pager.o
>   CC       /tmp/build/perf/debug.o
>   CC       /tmp/build/perf/str_error_r.o
>   CC       /tmp/build/perf/trace-seq.o
>   MKDIR    /tmp/build/perf/fs/
>   CC       /tmp/build/perf/parse-filter.o
>   CC       /tmp/build/perf/parse-options.o
>   MKDIR    /tmp/build/perf/staticobjs/
>   CC       /tmp/build/perf/fs/tracing_path.o
>   CC       /tmp/build/perf/run-command.o
>   CC       /tmp/build/perf/staticobjs/libbpf.o
>   CC       /tmp/build/perf/parse-utils.o
>   CC       /tmp/build/perf/kbuffer-parse.o
>   MKDIR    /tmp/build/perf/staticobjs/
>   CC       /tmp/build/perf/sigchain.o
>   LD       /tmp/build/perf/fs/libapi-in.o
>   CC       /tmp/build/perf/staticobjs/bpf.o
>   CC       /tmp/build/perf/subcmd-config.o
>   CC       /tmp/build/perf/staticobjs/nlattr.o
>   CC       /tmp/build/perf/tep_strerror.o
>   CC       /tmp/build/perf/event-parse-api.o
>   CC       /tmp/build/perf/staticobjs/btf.o
>   LD       /tmp/build/perf/libapi-in.o
>   LD       /tmp/build/perf/libsubcmd-in.o
>   CC       /tmp/build/perf/staticobjs/libbpf_errno.o
>   CC       /tmp/build/perf/staticobjs/str_error.o
>   CC       /tmp/build/perf/staticobjs/netlink.o
>   CC       /tmp/build/perf/staticobjs/bpf_prog_linfo.o
>   AR       /tmp/build/perf/libapi.a
>   LD       /tmp/build/perf/libtraceevent-in.o
>   CC       /tmp/build/perf/staticobjs/libbpf_probes.o
>   CC       /tmp/build/perf/staticobjs/xsk.o
>   AR       /tmp/build/perf/libsubcmd.a
>   CC       /tmp/build/perf/staticobjs/btf_dump.o
>   CC       /tmp/build/perf/staticobjs/hashmap.o
>   LINK     /tmp/build/perf/libtraceevent.a
>   LD       /tmp/build/perf/staticobjs/libbpf-in.o
>   LINK     /tmp/build/perf/libbpf.a
>   PERF_VERSION = 5.4.ge59599b355da
> make[1]: *** [Makefile.perf:225: sub-make] Error 2
> make: *** [Makefile:110: install-bin] Error 2
> make: Leaving directory '/home/acme/git/perf/tools/perf'
> [acme@...co perf]$
>