Messages in this thread | | | Date | Wed, 15 Oct 2014 17:06:30 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCHSET 0/5] perf tools: Speed up dwarf callchain post-unwinding for libunwind (v4) |
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Em Wed, Oct 15, 2014 at 04:24:41PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Mon, Oct 13, 2014 at 08:11:58PM +0200, Jiri Olsa escreveu: > > On Mon, Oct 06, 2014 at 09:45:58AM +0900, Namhyung Kim wrote: > > > Hello, > > > > > > This is v4 for libunwind callchain post processing speed up. It was > > > able to reduce 50% of processing time by using global cache provided > > > in libunwind. In this version, I decided to use the existing > > > callchain_param.record_mode instead of adding a new field in the > > > symbol_conf. > > > > > > The patch 4 and 5 are just cleanups so that we can easily find out > > > that which part of code uses the thread->priv. > > > > > > You can also get it from 'perf/callchain-unwind-v4' branch on my tree: > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git > > > > > > Thanks, > > > Namhyung > > > > > > > > > Namhyung Kim (5): > > > perf report: Set callchain_param.record_mode for future use > > > perf callchain: Create an address space per thread > > > perf callchain: Use global caching provided by libunwind > > > perf kvm: Use thread_{,_set}_priv helpers > > > perf trace: Use thread_{,_set}_priv helpers > > > > Acked-by: Jiri Olsa <jolsa@kernel.org> > > Thanks, applied.
Next time please run: (I'm fixing this up this time)
[acme@zoo linux]$ time make -C tools/perf build-test make: Entering directory `/home/git/linux/tools/perf' - make_pure: cd . && make -f Makefile DESTDIR=/tmp/tmp.RXWD6DlpLb - make_clean_all: cd . && make -f Makefile DESTDIR=/tmp/tmp.Xb83Au0dtp clean all - make_python_perf_so: cd . && make -f Makefile DESTDIR=/tmp/tmp.JjiHtvNXGP python/perf.so - make_debug: cd . && make -f Makefile DESTDIR=/tmp/tmp.4mbBkoB1Jz DEBUG=1 - make_no_libperl: cd . && make -f Makefile DESTDIR=/tmp/tmp.2I0aglyOsB NO_LIBPERL=1 - make_no_libpython: cd . && make -f Makefile DESTDIR=/tmp/tmp.NDG6pNk8J0 NO_LIBPYTHON=1 - make_no_scripts: cd . && make -f Makefile DESTDIR=/tmp/tmp.00jcSmJ2uP NO_LIBPYTHON=1 NO_LIBPERL=1 - make_no_newt: cd . && make -f Makefile DESTDIR=/tmp/tmp.rpiHSaU8sm NO_NEWT=1 - make_no_slang: cd . && make -f Makefile DESTDIR=/tmp/tmp.eq62JNazPt NO_SLANG=1 - make_no_gtk2: cd . && make -f Makefile DESTDIR=/tmp/tmp.D3uwXogwqj NO_GTK2=1 - make_no_ui: cd . && make -f Makefile DESTDIR=/tmp/tmp.0Dw4cAw1RZ NO_NEWT=1 NO_SLANG=1 NO_GTK2=1 - make_no_demangle: cd . && make -f Makefile DESTDIR=/tmp/tmp.6kFBIeDeSB NO_DEMANGLE=1 - make_no_libelf: cd . && make -f Makefile DESTDIR=/tmp/tmp.KTyAsiNqK5 NO_LIBELF=1 cd . && make -f Makefile DESTDIR=/tmp/tmp.KTyAsiNqK5 NO_LIBELF=1 BUILD: Doing 'make -j4' parallel build config/Makefile:396: Disabling post unwind, no support found.
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: [ on ] ... libdw-dwarf-unwind: [ on ]
GEN common-cmds.h BISON util/pmu-bison.c FLAGS: * new build flags or prefix BISON util/parse-events-bison.c CC util/path.o CC util/rbtree.o CC util/bitmap.o CC util/hweight.o CC util/run-command.o CC util/quote.o CC util/strbuf.o CC util/strlist.o CC util/string.o CC util/strfilter.o CC util/top.o CC util/usage.o CC util/wrapper.o CC util/sigchain.o CC util/dso.o CC util/symbol.o CC util/color.o CC util/pager.o CC util/header.o CC util/callchain.o CC util/values.o CC util/debug.o CC util/machine.o PERF_VERSION = 3.17.ga3a146 CC util/map.o In file included from util/machine.c:14:0: util/unwind.h: In function ‘unwind__prepare_access’: util/unwind.h:47:57: error: unused parameter ‘thread’ [-Werror=unused-parameter] static inline int unwind__prepare_access(struct thread *thread) ^ util/unwind.h: In function ‘unwind__finish_access’: util/unwind.h:52:57: error: unused parameter ‘thread’ [-Werror=unused-parameter] static inline void unwind__finish_access(struct thread *thread) {} ^ cc1: all warnings being treated as errors make[3]: *** [util/machine.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [all] Error 2 test: test -x ./perf make[1]: *** [make_no_libelf] Error 1 make: *** [build-test] Error 2 make: Leaving directory `/home/git/linux/tools/perf'
real 4m40.869s user 8m57.124s sys 1m12.853s [acme@zoo linux]$
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