Commit graph

185 commits

Author SHA1 Message Date
Linus Torvalds
c0c463d34a Merge branches 'x86-urgent-for-linus', 'core-debug-for-linus', 'irq-core-for-linus' and 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  um: Make rwsem.S depend on CONFIG_RWSEM_XCHGADD_ALGORITHM

* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  debug: Make CONFIG_EXPERT select CONFIG_DEBUG_KERNEL to unhide debug options

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Remove unused CHECK_IRQ_PER_CPU()

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools, x86: Fix 32-bit compile on 64-bit system
2011-07-23 10:33:08 -07:00
David Ahern
08a4a43fc4 perf tools, x86: Fix 32-bit compile on 64-bit system
Builds for 32-bit perf binaries on a 64-bit host currently fail
with this error:

 [...]
 bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages:
 bench/../../../arch/x86/lib/memcpy_64.S:29: Error: bad register name `%rdi'
 bench/../../../arch/x86/lib/memcpy_64.S:34: Error: invalid instruction suffix for `movs'
 bench/../../../arch/x86/lib/memcpy_64.S:50: Error: bad register name `%rdi'
 bench/../../../arch/x86/lib/memcpy_64.S:61: Error: bad register name `%rdi'
 ...

The problem is the detection of the host arch without considering passed in
flags. This change fixes 32-bit builds via:

make EXTRA_CFLAGS=-m32

and 64-bit builds still reference the memcpy_64.S.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/1310420304-21452-1-git-send-email-dsahern@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-07-21 13:42:30 +02:00
Masami Hiramatsu
e0d153c690 perf-probe: Move dwarf library routines to dwarf-aux.{c, h}
Move dwarf library related routines to dwarf-aux.{c,h}.
This includes several minor changes.
- Add simple documents for each API.
- Rename die_find_real_subprogram() to die_find_realfunc()
- Rename line_walk_handler_t to line_walk_callback_t.
- Minor cleanups.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20110627072727.6528.57647.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 16:10:17 -04:00
Mathias Krause
203db2952b tools/perf: Fix static build of perf tool
To build a statically linked version of the perf tool all needed
libraries must be added in the correct order to get the symbols
resolved. Currently this is broken when, e.g. python or newt
support is enabled -- libpython needs libpthread which is an
unconditional link dependency of the perf tool; libslang needs
libm, another unconditional dependency. To solve the problem in
the long run without the need to keep track of transitive
library dependencies, simply make the linker look at the EXTLIBS
multiple times until it has all symbols resolved.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/1308171818-20370-1-git-send-email-minipli@googlemail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-06-16 10:17:39 +02:00
Arnaldo Carvalho de Melo
75911c9bd1 perf tools: Fix build on older systems
Where /usr/include/linux/const.h is not present, e.g. RHEL5.

Reported-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/n/tip-ypcw2mu0w7dl1rrc6ncz3pee@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-05-26 11:16:29 -03:00
Ingo Molnar
932fed4e2e Merge commit 'v2.6.39-rc7' into perf/core
Merge reason: pull in the latest fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-10 17:05:45 +02:00
Lin Ming
174a7b1f96 perf tools: Makefile: Use gcc to determine ARCH
The original Makefile uses "uname -m" to determine ARCH.
This causes problem on x86 when compile perf tool on 32 bit
userspace with a 64 bit kernel.

 bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages:
 bench/../../../arch/x86/lib/memcpy_64.S:28: Error: bad register name `%rdi'

This is because "uname -m" returns x86_64 and memcpy_64.S is
included in 32 bit build.

Reported-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Link: http://lkml.kernel.org/r/1304743274.3132.17.camel@localhost
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-07 11:40:59 +02:00
Michael Witten
f18568aae5 perf tools: git mv tools/perf/{features-tests.mak,config/}
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Link: http://lkml.kernel.org/n/tip-a6zhefjayuounko1tk5sjji2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-04-19 08:18:36 -03:00
Michael Witten
ced465c400 perf tools: Makefile: PYTHON{,_CONFIG} to bandage Python 3 incompatibility
Currently, Python 3 is not supported by perf's code; this
can cause the build to fail for systems that have Python 3
installed as the default python:

  python{,-config}

The Correct Solution is to write compatibility code so that
Python 3 works out-of-the-box.

However, users often have an ancillary Python 2 installed:

  python2{,-config}

Therefore, a quick fix is to allow the user to specify those
ancillary paths as the python binaries that Makefile should
use, thereby avoiding Python 3 altogether; as an added benefit,
the Python binaries may be installed in non-standard locations
without the need for updating any PATH variable.

This commit adds the ability to set PYTHON and/or PYTHON_CONFIG
either as environment variables or as make variables on the
command line; the paths may be relative, and usually only PYTHON
is necessary in order for PYTHON_CONFIG to be defined implicitly.
Some rudimentary error checking is performed when the user
explicitly specifies a value for any of these variables.

In addition, this commit introduces significantly robust makefile
infrastructure for working with paths and communicating with the
shell; it's currently only used for handling Python, but I hope
it will prove useful in refactoring the makefiles.

Thanks to:

  Raghavendra D Prabhu <rprabhu@wnohang.net>

for motivating this patch.

Acked-by: Raghavendra D Prabhu <rprabhu@wnohang.net>
Link: http://lkml.kernel.org/r/e987828e-87ec-4973-95e7-47f10f5d9bab-mfwitten@gmail.com
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-04-19 08:18:36 -03:00
Michael Witten
3643b133f2 perf tools: Makefile: Clean up `python/perf.so' rule
There is no need for a subshell or an explicit `export';
as per the POSIX Shell Command Language specification:

  http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_09_01
  http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_10_02

It is only necessary to include the environment variable
assignment just before the command to be run.

Also, it is better to use single-quotes, because GNU make
might expand `$(BASIC_CFLAGS)' into something that the shell
could interpret within double-quotes.

Acked-by: Raghavendra D Prabhu <rprabhu@wnohang.net>
Link: http://lkml.kernel.org/n/tip-58n38o02ocuzrm9qh096hsf5@git.kernel.org
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-04-19 08:18:36 -03:00
Robert Richter
1b7155f7de perf tools: Fix NO_NEWT=1 python build error
Fix the following build error:

     GEN python/perf.so
 In file included from util/evsel.h:10,
                  from util/python.c:6:
 util/hist.h:106:18: error: newt.h: No such file or directory
 error: command 'x86_64-pc-linux-gnu-gcc' failed with exit status 1
 make: *** [python/perf.so] Error 1

by passing BASIC_CFLAGS to setup.py. BASIC_CFLAGS variable contains
the -DNO_NEWT_SUPPORT switch which prevents building python c
extension with newt.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <20110329180236.GA19366@erda.amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-03-29 16:46:57 -03:00
Arnaldo Carvalho de Melo
43adec955e perf evlist: New command to list the names of events present in a perf.data file
[root@emilia ~]# perf record -a -e sched:* -e timer:timer* sleep 5
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.172 MB perf.data (~7530 samples) ]
[root@emilia ~]# perf evlist
sched:sched_kthread_stop
sched:sched_kthread_stop_ret
sched:sched_wakeup
sched:sched_wakeup_new
sched:sched_switch
sched:sched_migrate_task
sched:sched_process_free
sched:sched_process_exit
sched:sched_wait_task
sched:sched_process_wait
sched:sched_process_fork
sched:sched_stat_wait
sched:sched_stat_sleep
sched:sched_stat_iowait
sched:sched_stat_runtime
sched:sched_pi_setprio
timer:timer_init
timer:timer_start
timer:timer_expire_entry
timer:timer_expire_exit
timer:timer_cancel
[root@emilia ~]#

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-03-15 11:10:48 -03:00
Michael Witten
a3d1ee10d1 perf tools: Makefile: Remove various and sundry cruft
This commit squashes several commits that remove:

 unnecessary uname calls
 `sh -c'
 BUILT_INS and QUIET_BUILT_IN

    They have no effect, and the `fixup-builtins' and `check-builtins.sh'
    scripts don't even exist.

 RUNTIME_PREFIX

    It's currently never anything but unset, and it's apparently
    only meaningful when Microsoft Windows is the operating system
    (according to the source for git).

 TEST_PROGRAMS
 EXTRA_PROGRAMS
 unused SHELL_PATH_SQ portions
 unused test for V=2
 useless exports

    Only when `V' is undefined (that is, only when the value of `V'
    is empty) is `export V' performed, which just has the effect of
    placing the empty-valued variable `V' in the environment.

    The only other script to make use of `V' is `Documentation/Makefile',
    which only checks whether `V' is undefined (that is, whether the value
    of `V' is empty); hence, the `export V' has no effect whatsoever.

    Similarly, `export QUIET_GEN' is useless because it will only have
    a non-empty value when `V' has an empty-value, and when `V' has
    an empty-value, `QUIET_GEN' is always explicitly set in every
    script in which it is used.

    `DESTDIR' is only ever defined by the user via the environment
    or the command line, both of which are automatically exported
    to sub-make processes. Furthermore, no non-make sub-scripts
    make use of `DESTDIR' as an environment variable.

    No other scripts use `perfexec_instdir'.

 unused QUIET_SUBDIR{0,1}
 TAR and RPMBUILD
 PTHREAD_LIBS
 Maintainer's dist rules and commands
 distclean target
 Test suite coverage testing
 PRINT_DIR and NO_SUBDIR
 `configure' target
 NO_CURL
 @@PERF_VERSION@@ substitution

    Without the sed command, all of the rule's commands can be reduced
    to a single line that copies a file and sets the permissions properly
    in the process.

 `make test' echo line
 template_instdir
 PERF-BUILD-OPTIONS
 double-colon rules

    The use of double-colon rules seems misguided or vestigial git.

 Essentially hard-coded $(SCRIPTS) expansion

Signed-off-by: Michael Witten <mfwitten@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-18 07:43:06 -02:00
Michael Witten
0a54fb6360 perf tools: Makefile: Remove tool-specific cruft
This commit squashes several commits that remove:

 NO_C99_FORMAT
 CURLDIR and EXPATDIR
 NO_DEFLATE_BOUND
 CC_LD_DYNPATH and NO_R_TO_GCC_LINKER
 NO_PERL_MAKEMAKER
 INTERNAL_QSORT
 NO_EXTERNAL_GREP
 NO_PERL
 SCRIPT_PERL
 PERL_PATH_SQ

Signed-off-by: Michael Witten <mfwitten@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-18 07:42:36 -02:00
Michael Witten
8796cb9d7d perf tools: Makefile: Remove platform-specific cruft
While it makes sense that this tool could be used on
other platforms at least to parse data, there doesn't
appear to be any real support for such usage.

This commit squashes several commits that remove:

 SNPRINTF_RETURNS_BOGUS
 FREAD_READS_DIRECTORIES
 NO_D_{INO,TYPE}_IN_DIRENT
 NO_STRCASESTR
 NO_MEMMEM
 NO_STRTOUMAX and NO_STRTOULL
 NO_SETENV
 NO_UNSETENV
 NO_MKDTEMP
 NEEDS_LIBICONV
 NEEDS_SOCKET
 NO_MMAP
 NO_PTHREADS
 NO_PREAD
 NO_TRUSTABLE_FILEMODE
 NO_IPV6 and NO_SOCKADDR_STORAGE
 NO_ICONV and OLD_ICONV
 NO_NSEC, USE_NSEC, and USE_ST_TIMESPEC
 NO_ST_BLOCKS_IN_STRUCT_STAT
 NO_FINK and NO_DARWIN_PORTS
 NO_SYS_SELECT_H
 NO_HSTRERROR
 DIR_HAS_BSD_GROUP_SEMANTICS and FORCE_DIR_SET_GID
 NEEDS_NSL, NO_UINTMAX_T, NO_INET_{N,P}TON
 COMPAT_{CFLAGS,OBJS}
 Executable extension `X'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-18 07:42:07 -02:00
Michael Witten
006cdc3261 perf tools: Makefile: Remove vestigial git-specific cruft
This commit squashes several commits that remove:

 NO_SYMLINK_HEAD
 NO_SVN_TESTS
 NO_FAST_WORKING_DIRECTORY
 USE_STDEV
 SHA1/SSL cruft
 makefile rules

Signed-off-by: Michael Witten <mfwitten@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-18 07:40:54 -02:00
Jesse Brandeburg
4187e262bc perf tools: Update Makefile with some help
The perf makefile is nicely complete except for

a) an uninstall option
b) a 'make help' description

This patch implements b)
it also comments out other non-working makefile targets

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-16 14:47:56 -02:00
Arnaldo Carvalho de Melo
5c35d69fb6 perf ui: Serialize screen updates
The ui operations so far were used by just one thread, but 'perf top
--tui' now has two threads updating the screen, so we need to use a
mutex to avoid garbling the screen.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-16 14:47:55 -02:00
Stephane Eranian
023695d96e perf tool: Add cgroup support
This patch adds the ability to filter monitoring based on container groups
(cgroups) for both perf stat and perf record. It is possible to monitor
multiple cgroup in parallel. There is one cgroup per event. The cgroups to
monitor are passed via a new -G option followed by a comma separated list of
cgroup names.

The cgroup filesystem has to be mounted. Given a cgroup name, the perf tool
finds the corresponding directory in the cgroup filesystem and opens it. It
then passes that file descriptor to the kernel.

Example:

$ perf stat -B -a -e cycles:u,cycles:u,cycles:u -G test1,,test2 -- sleep 1
 Performance counter stats for 'sleep 1':

      2,368,667,414  cycles                   test1
      2,369,661,459  cycles
      <not counted>  cycles                   test2

        1.001856890  seconds time elapsed

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4d590290.825bdf0a.7d0a.4890@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-02-16 13:30:48 +01:00
Michael Witten
9c56dfeb78 perf tools: Makefile: Use $(QUIET_GEN) for perf.so
So that we get this:

    CC /home/acme/git/build/perf/bench/mem-memcpy-x86-64-asm.o
    GEN perf-archive
*   GEN /home/acme/git/build/perf/python/perf.so
    CC /home/acme/git/build/perf/builtin-annotate.o

Instead of silently building the python binding.

LKML-Reference: <1296890359-22659-1-git-send-email-mfwitten@gmail.com>
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-07 08:38:03 -02:00
Arnaldo Carvalho de Melo
78f7defedb perf annotate: Move annotate functions to util/
They will be used by perf top, so that we have just one set of routines
to do annotation.

Rename "struct sym_priv" to "struct annotation", etc, to clarify this
code a bit.

Rename "struct sym_ext" to "struct source_line", to give it a meaningful
name, that clarifies that it is a the result of an addr2line call, that
is sorted by percentage one particular source code line appeared in the
annotation.

And since we're moving things around also rename 'sym_hist->ip' to
'sym_hist->addr' as we want to do data structure annotation at some
point.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-05 12:28:21 -02:00
Arnaldo Carvalho de Melo
978f626c4e perf tools: Don't try to build python bindings if Python.h not available
Just leverage the test done for python support in 'python script',
emitting a warning about losing those features if python-dev[el] is not
installed.

Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-01 16:40:51 -02:00
Arnaldo Carvalho de Melo
568bb7b8e8 perf tools: Fix up 'make clean' target
It wasn't using $(OUTPUT) to rm *.o and there were some funny looking
automake files that never get created but were being deleted anyway.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-01 15:05:00 -02:00
Arnaldo Carvalho de Melo
067187fc9f perf tools: Remove verbose build messages for the python binding
Also now it builds it in a well known location:

[acme@felicio linux]$ rm -rf ../build/perf/
[acme@felicio linux]$ mkdir ../build/perf
[acme@felicio linux]$ make -j2 O=~acme/git/build/perf -C tools/perf/
<SNIP>
[acme@felicio linux]$ ls -la ../build/perf/python/
total 152
-rwxrwxr-x 1 acme acme 147957 Feb  1 14:56 perf.so
drwxrwxr-x 3 acme acme     17 Feb  1 14:56 temp
[acme@felicio linux]$

[root@felicio ~]# strip ~acme/git/build/perf/python/perf.so
[root@felicio ~]# ls -la ~acme/git/build/perf/python/perf.so
-rwxrwxr-x 1 acme acme 46264 Feb  1 14:58 /home/acme/git/build/perf/python/perf.so

[root@felicio ~]# export PYTHONPATH=~acme/git/build/perf/python/
[root@felicio ~]# ~acme/git/linux/tools/perf/python/twatch.py
cpu:  0, pid: 7751, tid: 7751 { type: exit, pid: 7751, ppid: 7751, tid: 7751, ptid: 7751, time: 54562393512356}
cpu:  0, pid: 13700, tid: 13700 { type: fork, pid: 7756, ppid: 13700, tid: 7756, ptid: 13700, time: 54562393746739}
cpu:  1, pid: 7756, tid: 7756 { type: fork, pid: 7757, ppid: 7756, tid: 7757, ptid: 7756, time: 54562394246152}
cpu:  1, pid: 7757, tid: 7757 { type: comm, pid: 7757, tid: 7757, comm: awk }
cpu:  1, pid: 7757, tid: 7757 { type: exit, pid: 7757, ppid: 7757, tid: 7757, ptid: 7757, time: 54562395456813}

Reported-by: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-02-01 14:57:02 -02:00
Arnaldo Carvalho de Melo
c0443df1b6 perf top: Introduce slang based TUI
Disabled by default as there are features found in the stdio based one
that aren't implemented, like live annotation, filtering knobs data
entry.

Annotation hopefully will get somehow merged with the 'perf annotate'
code.

To use it:

perf top --tui

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-31 18:19:33 -02:00
Arnaldo Carvalho de Melo
8c3e10eb19 perf top: Move display agnostic routines to util/top.[ch]
Paving the way for a slang browser a la 'perf report --tui'.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-31 14:50:39 -02:00
Arnaldo Carvalho de Melo
877108e42b perf tools: Initial python binding
First clarifying that this kind of binding is not a replacement or an
equivalent to the 'perf script' way of using python with perf.

The 'perf script' way is to process events and look at a given script
for some python function that matches the events to pass each event for
processing.

This is a python module, i.e. everything is driven from the python
script, that merely uses "import perf" or "from perf import".

perf script is focused on tracepoints, this binding is focused on profiling as
an initial target. More work is needed to make available tracepoint specific
variables as event variables accessible via this binding.

There is one example of such usage model, in
tools/perf/python/twatch.py, a tool to watch "cycles" events together
with task (fork, exit) and comm perf events.

For now, due to me not being able to grok how python distutils cope with
building C extensions outside the sources dir the install target just
builds it, I'm using it as:

[root@emilia linux]# export PYTHONPATH=~acme/git/build/perf/lib.linux-x86_64-2.6/
[root@emilia linux]# tools/perf/python/twatch.py
cpu:  4, pid: 30126, tid: 30126 { type: mmap, pid: 30126, tid: 30126, start: 0x4, length: 0x82e9ca03, offset: 0, filename:  }
cpu:  6, pid:   47, tid:   47 { type: mmap, pid: 47, tid: 47, start: 0x6, length: 0xbef87c36, offset: 0, filename:  }
cpu:  1, pid:    0, tid:    0 { type: mmap, pid: 0, tid: 0, start: 0x1, length: 0x775d1904, offset: 0, filename:  }
cpu:  7, pid:    0, tid:    0 { type: mmap, pid: 0, tid: 0, start: 0x7, length: 0xc750aeb6, offset: 0, filename:  }
cpu:  5, pid: 2255, tid: 2255 { type: mmap, pid: 2255, tid: 2255, start: 0x5, length: 0x76669635, offset: 0, filename:  }
cpu:  0, pid:    0, tid:    0 { type: mmap, pid: 0, tid: 0, start: 0, length: 0x6422ef6b, offset: 0, filename:  }
cpu:  2, pid: 2255, tid: 2255 { type: mmap, pid: 2255, tid: 2255, start: 0x2, length: 0xe078757a, offset: 0, filename:  }
cpu:  1, pid: 5769, tid: 5769 { type: fork, pid: 30127, ppid: 5769, tid: 30127, ptid: 5769, time: 103893991270534}
cpu:  6, pid: 30127, tid: 30127 { type: comm, pid: 30127, tid: 30127, comm: ls }
cpu:  6, pid: 30127, tid: 30127 { type: exit, pid: 30127, ppid: 30127, tid: 30127, ptid: 30127, time: 103893993273024}

The first 8 mmap events in this 8 way machine are a mistery that is still being
investigated.

More of the tools/perf/util/ APIs will be exposed via this python binding as
the need arises. For now the focus is on creating events and processing them,
symbol resolution is an obvious next step, with tracepoint variables as a close
second step.

Cc: Clark Williams <williams@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-30 11:37:38 -02:00
Masami Hiramatsu
68baa431ec perf tools: Add strfilter for general purpose string filter
Add strfilter for general purpose string filter.

Every filter rules are descrived by glob matching pattern and '!' prefix
which means Logical NOT.

A strfilter consists of those filter rules connected with '&' and '|'.

A set of rules can be folded by using '(' and ')'.

It also accepts spaces around rules and those operators.

Format:
<rule> ::= <glob-exp> | "!" <rule> | <rule> <op> <rule> | "(" <rule> ")"
<op> ::= "&" | "|"

e.g.:

 "(add* | del*) & *timer" filter rules pass strings which start with add
 or del and end with timer.

This will be used by perf probe --filter.

Changes in V2:
 - Fix to check result of strdup() and strfilter__alloc().
 - Encapsulate and simplify interfaces as like regex(3).

Cc: 2nddept-manager@sdl.hitachi.co.jp
Cc: Franck Bui-Huu <fbuihuu@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20110120141530.25915.12673.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-28 09:19:38 -02:00
Arnaldo Carvalho de Melo
fd78260b53 perf threads: Move thread_map to separate file
To untangle it from struct thread handling, that is tied to symbols, etc.

Right now in the python bindings I'm working on I need just a subset of
the util/ files, untangling it allows me to do that.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-24 10:59:00 -02:00
Arnaldo Carvalho de Melo
361c99a661 perf evsel: Introduce perf_evlist
Killing two more perf wide global variables: nr_counters and evsel_list
as a list_head.

There are more operations that will need more fields in perf_evlist,
like the pollfd for polling all the fds in a list of evsel instances.

Use option->value to pass the evsel_list to parse_{events,filters}.

LKML-Reference: <new-submission>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-22 19:56:28 -02:00
Arnaldo Carvalho de Melo
065bef5af6 perf tools: Fix build by checking if extra warnings are supported
The -Wstack-protector and -Wvolatile-register-var warnings, for
instance, are not supported by gcc 3.4.6.

So fix by doing the same check we already do for -fstack-protector-all.

With this and the other patches in this series, perf builds unmodified
on, for instance, RHEL4.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-22 19:29:53 -02:00
Frederic Weisbecker
6b01f2c4f6 perf tools: Build with frame pointer
It seems that some gcc versions build by default with frame pointers
and some others omit them.

Just build the tools with frame pointers as the callchains can be an
important part of the perf workflow.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <1294325513-14276-3-git-send-email-fweisbec@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-06 18:04:54 -02:00
Arnaldo Carvalho de Melo
69aad6f1ee perf tools: Introduce event selectors
Out of ad-hoc code and global arrays with hard coded sizes.

This is the first step on having a library that will be first
used on regression tests in the 'perf test' tool.

[acme@felicio linux]$ size /tmp/perf.before
   text	   data	    bss	    dec	    hex	filename
1273776	  97384	5104416	6475576	 62cf38	/tmp/perf.before
[acme@felicio linux]$ size /tmp/perf.new
   text	   data	    bss	    dec	    hex	filename
1275422	  97416	1392416	2765254	 2a31c6	/tmp/perf.new

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-01-03 16:39:04 -02:00
Ian Munsie
b38aa89600 perf makefile: Allow strong and weak functions in LIB_OBJS
When we build perf we place all of the .o files from the library files
(util, arch/x/util, etc) into libperf.a which is then linked into perf.

The problem is that the linker will by default only consider .o files
within the .a archive if they are necessary to satisfy an unresolved
symbol. As weak functions are not unresolved, it will not consider a .o
file from the archive containing the strong versions of weak functions
unless it requires it for another reason.

This patch adds the --whole-archive flags to the linker when passing in
the libperf.a file to ensure that it will consider every .o file in the
archive, not just what it believes that it needs. The end result is that
weak functions can now be overridden by strong variants of them in the
libperf.a file.

Cc: "tom.leiming" <tom.leiming@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1290991642-sup-5890@au1.ibm.com>
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-12-07 11:58:50 -02:00
Ingo Molnar
b3d006c0e7 Merge branch 'perf/rename' into perf/core
Merge reason: This is an older commit under testing that was not pushed yet - merge it.

Also fix up the merge in command-list.txt.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Tom Zanussi <tzanussi@gmail.com>
2010-12-01 09:22:19 +01:00
Hitoshi Mitake
ea7872b9d6 perf bench: Add feature that measures the performance of the arch/x86/lib/memcpy_64.S memcpy routines via 'perf bench mem'
This patch ports arch/x86/lib/memcpy_64.S to perf bench mem
memcpy for benchmarking memcpy() in userland with tricky and
dirty way.

util/include/asm/cpufeature.h, util/include/asm/dwarf2.h, and
util/include/linux/linkage.h are mostly dummy files with small
wrappers, so that we are able to include memcpy_64.S
unmodified.

Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: h.mitake@gmail.com
Cc: Miao Xie <miaox@cn.fujitsu.com>
Cc: Ma Ling <ling.ma@intel.com>
Cc: Zhao Yakui <yakui.zhao@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Andi Kleen <andi@firstfloor.org>
LKML-Reference: <1290668693-27068-2-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-11-26 08:15:57 +01:00
Robert Morell
a71123977e perf tools: Remove hardcoded include paths for elfutils
This change removes the use of hardcoded absolute "/usr/include/elfutils" paths
from the perf build.  The problem with hardcoded paths is that it prevents them
from being overridden by $prefix or by -I in CFLAGS (e.g., for cross-compiling
purposes).

Instead, just include the "elfutils/" subdirectory as a relative path when
files are needed from that directory.

Tested by building perf:
- Cross-compiled for ARM on x86_64
- Built natively on x86_64
- Built on x86_64 with /usr/include/elfutils moved to another location
  and manually included in CFLAGS

Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
LKML-Reference: <1289945793-31441-1-git-send-email-rmorell@nvidia.com>
Signed-off-by: Robert Morell <rmorell@nvidia.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-11-19 16:38:04 -02:00
Ingo Molnar
133dc4c39c perf: Rename 'perf trace' to 'perf script'
Free the perf trace name space and rename the trace to 'script' which is a
better match for the scripting engine.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-11-16 19:37:44 +01:00
Ingo Molnar
00e8976200 Merge branch 'perf/urgent' into perf/core
Conflicts:
	tools/perf/util/ui/browsers/hists.c

Merge reason: fix the conflict and merge in changes for dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-05 09:47:14 +02:00
Kusanagi Kouichi
39cfae64df perf tools: Fix build breakage
The patch ecafda6 introduced a problem where all object files would be
always rebuilt, fix it by using:

http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Bernd Petrovitsch <bernd@sysprog.at>
Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-10-04 11:58:25 -03:00
Tom Zanussi
f2481f3df4 perf tools: Fix linking errors with --as-needed flag
External shared libraries should never be appended to the LDFLAGS as this
messes the linking order. As EXTLIBS collects those libraries, it seems that
perl and python libraries  should also be appended to EXTLIBS.

Also fix the broken linking order.

This is a refresh of a patch by Ozan Çağlayan and improved by both Tom Zanussi
and Kirill A. Shutemov.

Cc: Ozan Çağlayan <ozan@pardus.org.tr>
Tested-by: Kirill A. Shutemov <kirill@shutemov.name>
Tested-by: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <1282627430.28324.8.camel@tropicana>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-25 17:35:21 -03:00
Ingo Molnar
7de5d895b2 Merge branch 'linus' into perf/core
Merge reason: pick up perf fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-25 13:10:00 +02:00
Kirill A. Shutemov
f4e7ac0a23 perf tools: add test for strlcpy()
Some Linux distributions like ALT Linux provides patched glibc with
contains strlcpy(). It's confilcts with strlcpy() from perf.

Let's add check for strlcpy().

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1282351101-8879-1-git-send-email-kirill@shutemov.name>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-21 11:22:47 -03:00
Kusanagi Kouichi
ecafda60e8 perf tools: Fix build error on read only source.
Parts of the build process were generating files outside the specified
O= directory, causing the build to fail on systems where the sources are
in a read only file system.

Fix it by using $(OUTPUT) on these locations.

Also check that $(OUTPUT) actually exists, just like the top level
kernel Makefile does. Otherwise the failure message emitted is
completely misleading.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20100817140841.0859362C03A@msa106.auone-net.jp>
Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-18 13:32:37 -03:00
Bernd Petrovitsch
033a273f98 perf tools: Fix build on POSIX shells
POSIX sh does not specify the brace expansion, so fix it by replacing the
global $(shell ...) lines quite at the top creating the output directories with
real rules.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Kusanagi Kouichi <slash@ac.auone-net.jp>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1282046280.5822.4.camel@thorin>
Signed-off-by: Bernd Petrovitsch <bernd@sysprog.at>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-17 12:22:08 -03:00
Arnaldo Carvalho de Melo
1e6dd077a8 perf ui: Complete the breakdown of util/newt.c
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-10 16:11:38 -03:00
Arnaldo Carvalho de Melo
d1b4f2491c perf ui: Move hists browser to util/ui/browsers/
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-10 16:11:08 -03:00
Arnaldo Carvalho de Melo
b1b0267336 perf ui: Move map browser to util/ui/browsers/
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-10 16:10:09 -03:00
Arnaldo Carvalho de Melo
211ef12771 perf ui: Move annotate browser to util/ui/browsers/
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-10 16:09:41 -03:00
Arnaldo Carvalho de Melo
34cea7f7c0 perf ui: Move ui_progress routines to separate file in util/ui/
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-08-10 16:09:14 -03:00