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SubjectRe: [PATCH] tools/perf: remove non-existent entries in MANIFEST
Em Thu, Sep 26, 2013 at 09:18:48PM +0530, Ramkumar Ramachandra escreveu:
> David Ahern wrote:
> > Did you create a tarfile after this change, unpack it somewhere out of three
> > and then verify perf builds?
>
> Yeah, it builds fine. In fact, the archive generated from the current
> upstream is broken.

Could you please describe how it is broken?

[acme@zoo linux]$ git branch | grep '*'
* perf/urgent
[acme@zoo linux]$ git describe
v3.12-rc1-51-gc1bf214
[acme@zoo linux]$ make perf-tar-src-pkg
TAR
[acme@zoo linux]$ mv perf-3.12.0-rc1.tar /tmp
[acme@zoo linux]$ cd /tmp
[acme@zoo tmp]$ tar xf perf-3.12.0-rc1.tar
[acme@zoo tmp]$ cd perf-3.12.0-rc1
[acme@zoo perf-3.12.0-rc1]$ make -j4 -C tools/perf
CHK -fstack-protector-all
CHK -Wstack-protector
CHK -Wvolatile-register-var
<SNIP>
CC util/parse-events-flex.o
AR libperf.a
LINK perf
make: Leaving directory `/tmp/perf-3.12.0-rc1/tools/perf'
[acme@zoo perf-3.12.0-rc1]$
[acme@zoo perf-3.12.0-rc1]$ file tools/perf/perf
tools/perf/perf: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.32,
BuildID[sha1]=0x4ccfe4a3c71572532c54a478fec49ad1b38f1f3a, not stripped
[acme@zoo perf-3.12.0-rc1]$
[acme@zoo perf-3.12.0-rc1]$ tools/perf/perf --help | head -6

usage: perf [--version] [--help] COMMAND [ARGS]

The most commonly used perf commands are:
annotate Read perf.data (created by perf record) and display
annotated code
archive Create archive with object files with build-ids found
in perf.data file
[acme@zoo perf-3.12.0-rc1]$ tools/perf/perf stat usleep 1

Performance counter stats for 'usleep 1':

1.034116 task-clock # 0.495 CPUs utilized
2 context-switches # 0.002 M/sec
1 cpu-migrations # 0.967 K/sec
140 page-faults # 0.135 M/sec
1,024,416 cycles # 0.991 GHz
730,998 stalled-cycles-frontend # 71.36% frontend cycles
idle
<not supported> stalled-cycles-backend
553,592 instructions # 0.54 insns per cycle
# 1.32 stalled cycles
# per insn
105,979 branches # 102.483 M/sec
8,030 branch-misses # 7.58% of all branches

0.002088462 seconds time elapsed

[acme@zoo perf-3.12.0-rc1]$

- Arnaldo


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