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2614 Commits

Author SHA1 Message Date
Otavio Salvador
6ffd7bdbf8 perf tools: Drop CROSS_COMPILE from flex and bison calls 
The flex and bison tools generate arch-independent C code so its
binaries are not prefixed with the target-arch prefix. With this patch
the Linux 3.4-rc2 can be successfuly build on OE-Core.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Link: http://lkml.kernel.org/r/1334148270-13139-1-git-send-email-otavio@ossystems.com.br
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-16 16:10:22 -03:00
Arnaldo Carvalho de Melo
657bcaf509 perf annotate browser: Use the disasm_line instruction name and operand fields 
No need to reparse it everytime.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-90ncot487p4h5rzkn8h2whou@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-16 12:16:39 -03:00
Arnaldo Carvalho de Melo
5145418b06 perf annotate: Parse instruction 
For lines with instructions find the name and operands, breaking those
tokens for consumption by the browser.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-6aazb9f5o3d9zi28e6rruv12@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-16 12:15:07 -03:00
Arnaldo Carvalho de Melo
29ed6e76b4 perf annotate: Rename objdump_line to disasm_line 
We want to move away from using 'objdump -dS' as the only disassembler
supported.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-lsn9pjuxxm5ezsubyhkmprw7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-16 12:09:59 -03:00
David Ahern
9e755756e4 perf report: Fix crash showing warning related to kernel maps 
While testing https://lkml.org/lkml/2012/4/10/123 I hit this crash:

(gdb) bt
 0  0x000000000042000f in __cmd_report (rep=0x7fff80cec580) at builtin-report.c:380
 1  cmd_report (argc=0, argv=<optimized out>, prefix=<optimized out>) at builtin-report.c:759
 2  0x0000000000414513 in run_builtin (p=0x7724a8, argc=3, argv=0x7fff80ceca70) at perf.c:273
 3  0x0000000000413d41 in handle_internal_command (argv=0x7fff80ceca70, argc=3) at perf.c:345
 4  run_argv (argv=0x7fff80cec880, argcp=0x7fff80cec88c) at perf.c:389
 5  main (argc=3, argv=0x7fff80ceca70) at perf.c:487

kernel_map can be NULL, so need to handle it while dumping a warning
to user.

v2:
- fixed RB_EMPTY_ROOT check -- desc takes the altnerative output when RB_EMPTY_ROOT is false.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Link: http://lkml.kernel.org/r/1334544855-55021-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-16 11:18:22 -03:00
Ingo Molnar
7ea6411f4c Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent 
Pull perf tooling fixes from Arnaldo Carvalho de Melo:

. Properly handle ~/.debug, the build id cache, when it is a symlink,
  fix from Chanho Park

. Fixes for the parser generation process, from Jiri Olsa and Namhyung Kim

. Fix build when NO_GTK2 is specified, From Stephane Eranian

. When a machine is not found, bump the relevant error stat but return
  0, so that we correctly move to the next perf event. Fix from Jiri Olsa

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2012-04-15 08:02:36 +02:00
Chanho Park
e3b6193378 perf archive: Correct cutting of symbolic link 
If a '$PERF_BUILDID_DIR'(typically $HOME/.debug) is a symbolic link
directory, cutting of the path will fail.

Here is an example where a buildid directory is a symbolic link.

/ # ls -al /root
lrwxrwxrwx    1 root     root            13 Mar 26  2012 /root -> opt/home/root
/ # cd ~
/opt/home/root # perf record -a -g sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.322 MB perf.data (~14057 samples) ]
/opt/home/root # perf archive
tar: Removing leading `/' from member names
Now please run:

$ tar xvf perf.data.tar.bz2 -C ~/.debug

wherever you need to run 'perf report' on.
/opt/home/root # mkdir temp
/opt/home/root # tar xf perf.data.tar.bz2 -C ./temp
/opt/home/root # find ./temp -name "*kernel*"
./temp/opt/home/root/.debug/[kernel.kallsyms]

-> If successfully cut off the path, [kernel.kallsyms] is located
in top of the archived file.

This patch enables to cut correctly even if the buildid directory
is a symbolic link.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1333348109-12598-1-git-send-email-chanho61.park@samsung.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-14 13:52:15 -03:00
Namhyung Kim
77394ad6e4 perf tools: Ignore auto-generated bison/flex files 
The commit 65f3e56e0c ("perf tools: Remove auto-generated bison/flex
files") removed those files from git, so they'll be listed on untracked
files after building perf. Fix it.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1333948274-20043-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-14 13:50:39 -03:00
Jiri Olsa
2a5204fed0 perf tools: Fix parsers' rules to dependencies 
Currently the parsers objects (bison/flex related) are each time perf
is built. No matter the generated files are already in place, the
parser generation is executed every time.

Changing the rules to have proper flex/bison objects generation
dependencies.

The parsers code is not rebuilt until the flex/bison source files
are touched. Also when flex/bison source is changed, only dependent
objects are rebuilt.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1334140791-3024-1-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-14 13:49:43 -03:00
Ingo Molnar
a385ec4f11 Merge tag 'v3.4-rc2' into perf/core 
Merge Linux 3.4-rc2: we were on v3.3, update the base.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2012-04-13 09:57:10 +02:00
Ingo Molnar
a7ca08038b Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent 
Pull various perf tooling fixes from Arnaldo Carvalho de Melo.
 2012-04-13 09:47:04 +02:00
Linus Torvalds
9b1ef1de20 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull trivial perf build failure fix from Thomas Gleixner.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Fix getrusage() related build failure on glibc trunk
 2012-04-12 15:20:24 -07:00
Stephane Eranian
f755397211 perf tools: fix NO_GTK2 Makefile config error 
In case the user specified NO_GTK2 on the make cmdline, compilation
would fail with undefined symbol because the Makefile would not set the
correct cpp variable: NO_GTK2 vs. NO_GTK2_SUPPORT.

This patch renames the variable to the correct name.

Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120410103513.GA9229@quad
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-12 15:48:15 -03:00
Jiri Olsa
6782206b5d perf session: Skip event correctly for unknown id/machine 
In case the perf_session__process_event function fails, we estimate the
next event offset.

This is not necessary for sample event failing on unknown ID or machine.
In such case we know proper size of the event, so we dont need to guess.
Also failure statistics are updated correctly so we don't miss any
information.

Forcing perf_session__process_event to return 0 in case of unknown ID or
machine.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1334233262-5679-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-12 12:14:50 -03:00
Robert Richter
5a7ed29c75 perf record: Use sw counter only if hw pmu is not detected 
Use cpu-clock-tick sw counter for cpu-cycles only if there is no hw
pmu available. This is the case if the syscall reports ENOENT. In
other cases (e.g. invalid attributes) we don't want the sw counter to
be used.

Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1333643188-26895-5-git-send-email-robert.richter@amd.com
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:39:19 -03:00
Robert Richter
61d5bf5b01 perf tools: Fix thread map that is type pid_t 
Thread map is actually type pid_t and not int.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1333643188-26895-3-git-send-email-robert.richter@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:38:50 -03:00
Robert Richter
666e6d48c5 perf stat: Declare some references static 
This references are not exported, use static declaration.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1333643188-26895-4-git-send-email-robert.richter@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:37:16 -03:00
Namhyung Kim
e7b3ba6d8b perf tools: Move GTK+ bits to tools/perf/ui/gtk directory 
Move those files to new directory in order to be prepared to
further UI work. Makefile and header file pathes are adjusted
accordingly. Also fix a build breakage if NO_GTK2=1 is given.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/1333523765-12092-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:18:31 -03:00
Namhyung Kim
aca7a94d6a perf tools: Move UI bits to tools/perf/ui directory 
Move those files to new directory in order to be prepared to further UI
work. Makefile and header file pathes are adjusted accordingly.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/1333523666-12057-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:16:40 -03:00
Namhyung Kim
a31b7cc083 perf annotate: Fix a build error 
CC util/annotate.o
util/annotate.c: In function symbol__annotate:
util/annotate.c:87:16: error: parsed_line may be used uninitialized in this function [-Werror=maybe-uninitialized]
util/annotate.c:211:22: note: parsed_line was declared here
cc1: all warnings being treated as errors
make: *** [util/annotate.o] Error 1
make: *** Waiting for unfinished jobs....

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ashay Rane <ashay.rane@tacc.utexas.edu>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/87ty0tlv4i.fsf@dasan.aot.lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 17:07:18 -03:00
Jiri Olsa
024e6c9747 perf tools: Fix parsers' rules to dependencies 
Currently the parsers objects (bison/flex related) are each time perf
is built. No matter the generated files are already in place, the
parser generation is executed every time.

Changing the rules to have proper flex/bison objects generation
dependencies.

The parsers code is not rebuilt until the flex/bison source files
are touched. Also when flex/bison source is changed, only dependent
objects are rebuilt.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1334140791-3024-1-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 16:57:09 -03:00
Borislav Petkov
ea01fa9f63 tools: Connect to the kernel build system 
Now you can do

$ make tools/<toolname>

from the toplevel kernel directory and have the respective tool built.

If you want to build and install it, do

$ make tools/<toolname>_install

$ make tools/<toolname>_clean

should clean the respective tool directories.

If you want to clean all in tools, simply do

$ make tools/clean

Also, if you want to get what the possible targets are, simply calling

$ make tools/

should give you the short help.

$ make tools/install

installs all tools, of course. Doh.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/1334162178-17152-6-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 15:00:17 -03:00
Borislav Petkov
d5dd8afb56 tools: Add a help target 
... and make it the default one so that calling 'make' without arguments
in the tools/ directory gives you the possible targets to build along
with a short description of what they are.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/1334162178-17152-5-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 14:59:00 -03:00
Borislav Petkov
2363ecb170 tools: Add a toplevel Makefile 
Add a Makefile with all the targets under tools/.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/1334162178-17152-4-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 14:58:43 -03:00
Borislav Petkov
d8caf3eb24 tools: Cleanup EXTRA_WARNINGS 
Use += instead of the bash syntax, as Sam Ravnborg suggests. Also, sort
the -W options alphabetically and (... keep them sorted).

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: http://lkml.kernel.org/r/1334162178-17152-3-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2012-04-11 14:57:50 -03:00