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Message-ID: <20141124152312.GA13167@kernel.org>
Date: Mon, 24 Nov 2014 12:23:12 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Andi Kleen <andi@...stfloor.org>
Cc: Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Ingo Molnar <mingo@...nel.org>,
Paul Mackerras <paulus@...ba.org>,
Namhyung Kim <namhyung.kim@....com>,
LKML <linux-kernel@...r.kernel.org>,
Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Brendan Gregg <brendan.d.gregg@...il.com>
Subject: Re: probe + report for following branch history. was Re: [PATCH 1/2]
perf hists browser: Print overhead percent value for first-level callchain
Em Mon, Nov 24, 2014 at 11:52:27AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Nov 24, 2014 at 05:13:26PM +0900, Namhyung Kim escreveu:
> > Currently perf report on TUI doesn't print percent for first-level
> > callchain entry. I guess it (wrongly) assumes that there's only a
> > single callchain in the first level. This patch fixes it by handling
> > the first level callchains same as others - if it's not 100% it should
> > print the percent value. Also it'll affect other callchains in the
> > other way around - if it's 100% (single callchain) it should not print
> > the percentage.
> >
> > Before:
> > - 30.95% 6.84% abc2 abc2 [.] a
> > - a
>
> Thanks, with this the --stdio output matches --tui when --branch-history
> is used in 'report', will push soon.
[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.z11aKMiurz
- make_clean_all: cd . && make -f Makefile DESTDIR=/tmp/tmp.aylbvfzj5m
clean all
- make_python_perf_so: cd . && make -f Makefile
DESTDIR=/tmp/tmp.t896NZcPrJ python/perf.so
- make_debug: cd . && make -f Makefile DESTDIR=/tmp/tmp.ARnUdN0Ox5
DEBUG=1
- make_no_libperl: cd . && make -f Makefile DESTDIR=/tmp/tmp.xG1XJ2Pjq7
NO_LIBPERL=1
- make_no_libpython: cd . && make -f Makefile
DESTDIR=/tmp/tmp.2k8q3ouduH NO_LIBPYTHON=1
- make_no_scripts: cd . && make -f Makefile DESTDIR=/tmp/tmp.kwu6TUzMaZ
NO_LIBPYTHON=1 NO_LIBPERL=1
- make_no_newt: cd . && make -f Makefile DESTDIR=/tmp/tmp.Ra0cHpOVXI
NO_NEWT=1
- make_no_slang: cd . && make -f Makefile DESTDIR=/tmp/tmp.dI5pMO80Gw
NO_SLANG=1
- make_no_gtk2: cd . && make -f Makefile DESTDIR=/tmp/tmp.r4R7rILIq4
NO_GTK2=1
- make_no_ui: cd . && make -f Makefile DESTDIR=/tmp/tmp.36qCtqcT3J
NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
- make_no_demangle: cd . && make -f Makefile DESTDIR=/tmp/tmp.5PpSkaVWUl
NO_DEMANGLE=1
cd . && make -f Makefile DESTDIR=/tmp/tmp.5PpSkaVWUl NO_DEMANGLE=1
BUILD: Doing 'make -j4' parallel build
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 ]
... zlib: [ on ]
... DWARF post unwind library: libunwind
GEN common-cmds.h
FLAGS: * new build flags or prefix
BISON util/pmu-bison.c
CC util/environment.o
CC util/event.o
CC util/evlist.o
CC util/evsel.o
PERF_VERSION = 3.18.rc3.gf07177
CC util/exec_cmd.o
CC util/help.o
CC util/kallsyms.o
CC util/levenshtein.o
CC util/parse-options.o
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/string.o
CC util/strlist.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/symbol-elf.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
CC util/map.o
CC util/pstack.o
CC util/session.o
CC util/ordered-events.o
CC util/comm.o
CC util/thread.o
CC util/thread_map.o
CC util/trace-event-parse.o
CC util/parse-events-bison.o
CC util/pmu-bison.o
CC util/trace-event-read.o
CC util/trace-event-info.o
CC util/trace-event-scripting.o
CC util/trace-event.o
CC util/svghelper.o
CC util/sort.o
CC util/hist.o
CC util/probe-event.o
CC util/util.o
CC util/xyarray.o
CC util/cpumap.o
CC util/cgroup.o
CC util/target.o
CC util/rblist.o
CC util/intlist.o
CC util/vdso.o
CC util/stat.o
CC util/record.o
CC util/srcline.o
CC util/data.o
CC util/tsc.o
CC util/cloexec.o
In file included from util/srcline.c:18:0:
/usr/include/bfd.h:6197:7: error: conflicting types for ‘bfd_demangle’
char *bfd_demangle (bfd *, const char *, int);
^
In file included from util/srcline.c:11:0:
util/symbol.h:35:21: note: previous definition of ‘bfd_demangle’ was
here
static inline char *bfd_demangle(void __maybe_unused *v,
^
make[3]: *** [util/srcline.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [all] Error 2
test: test -x ./perf
make[1]: *** [make_no_demangle] Error 1
make: *** [build-test] Error 2
make: Leaving directory `/home/git/linux/tools/perf'
real 4m21.797s
user 10m54.214s
sys 1m26.056s
[acme@zoo linux]$
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