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2013-07-23perf tools: Add test for converting perf time to/from TSCAdrian Hunter
The test uses the newly added cap_usr_time_zero and time_zero of perf_event_mmap_page. TSC from rdtsc is compared with the time from 2 perf events. The test passes if the calculated times are all in the correct order. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1372425741-1676-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-07-22perf tools: Move weight back to common sort keysAndi Kleen
This is a partial revert of Namhyung's patch afab87b91f3f331d55664172dad8e476e6ffca9d perf sort: Separate out memory-specific sort keys He wrote For global/local weights, I'm not entirely sure to place them into the memory dimension. But it's the only user at this time. Well TSX is another (in fact the original) user of the flags, and it needs them to be common. So move local/global weight back to the common sort keys. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Link: http://lkml.kernel.org/r/1374188333-17899-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tests: Add broken install-* tests into tests/makeJiri Olsa
Adding install-* tests into tests/make. Those tests are broken, so commenting them out right away. * Nothing get installed for install-man, install_doc and install_html targets, they just rebuild the documentation. * I've got following error for 'install-info': $ make -f tests/make make_install_info - make_install_info: cd . && make -f Makefile DESTDIR=/tmp/tmp.Xi4mb9J1a0 install-info $ tail -f make_install_info ... PERF_VERSION = 3.11.rc1.g9b3c2d make[2]: *** No rule to make target `user-manual.xml', needed by `user-manual.texi'. Stop. make[1]: *** [install-info] Error 2 * I've got following error for 'install-pdf': $ make -f tests/make make_install_pdf - make_install_pdf: cd . && make -f Makefile DESTDIR=/tmp/tmp.fXseECBbt1 install-pdf $ tail -f make_install_pdf ... PERF_VERSION = 3.11.rc1.g9b3c2d make[2]: *** No rule to make target `user-manual.xml', needed by `user-manual.pdf'. Stop. make[1]: *** [install-pdf] Error 2 Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374497014-2817-6-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tests: Add 'make install/install-bin' tests into tests/makeJiri Olsa
Adding 'make install' and 'make install-bin' tests into tests/make. It's run as part of the suite, but could be run separately like: $ make -f tests/make make_install - make_install: cd . && make -f Makefile DESTDIR=/tmp/tmp.LpkYbk5pfs install test: test -x /tmp/tmp.LpkYbk5pfs/bin/perf $ make -f tests/make make_install_bin - make_install_bin: cd . && make -f Makefile DESTDIR=/tmp/tmp.dMxePBMcFT install-bin test: test -x /tmp/tmp.dMxePBMcFT/bin/perf Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374497014-2817-5-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tests: Add DESTDIR=TMP_DEST tests/make variableJiri Olsa
Adding TMP_DEST tests/make variable to provide the DESTDIR directory for installation tests. Adding this to existing test targets, since DESTDIR variable 'should not' affect other than install* targets. We can always separate this if there's a need for DESTDIR-free build test. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374497014-2817-4-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tests: Rename TMP to TMP_O tests/make variableJiri Olsa
Renaming TMP to TMP_O tests/make variable to make a name space for other temp variables. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374497014-2817-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tests: Run ctags/cscope make tests only with needed binariesJiri Olsa
Running tags and cscope make tests only if the 'ctags' and 'cscope' binaries are installed, so we don't have false alarm test failures. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374497014-2817-2-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tools: Fix build with perl 5.18Kirill A. Shutemov
perl.h from new Perl release doesn't like -Wundef and -Wswitch-default: /usr/lib/perl5/core_perl/CORE/perl.h:548:5: error: "SILENT_NO_TAINT_SUPPORT" is not defined [-Werror=undef] #if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT) ^ /usr/lib/perl5/core_perl/CORE/perl.h:556:5: error: "NO_TAINT_SUPPORT" is not defined [-Werror=undef] #if NO_TAINT_SUPPORT ^ In file included from /usr/lib/perl5/core_perl/CORE/perl.h:3471:0, from util/scripting-engines/trace-event-perl.c:30: /usr/lib/perl5/core_perl/CORE/sv.h:1455:5: error: "NO_TAINT_SUPPORT" is not defined [-Werror=undef] #if NO_TAINT_SUPPORT ^ In file included from /usr/lib/perl5/core_perl/CORE/perl.h:3472:0, from util/scripting-engines/trace-event-perl.c:30: /usr/lib/perl5/core_perl/CORE/regexp.h:436:5: error: "NO_TAINT_SUPPORT" is not defined [-Werror=undef] #if NO_TAINT_SUPPORT ^ In file included from /usr/lib/perl5/core_perl/CORE/hv.h:592:0, from /usr/lib/perl5/core_perl/CORE/perl.h:3480, from util/scripting-engines/trace-event-perl.c:30: /usr/lib/perl5/core_perl/CORE/hv_func.h: In function ‘S_perl_hash_siphash_2_4’: /usr/lib/perl5/core_perl/CORE/hv_func.h:222:3: error: switch missing default case [-Werror=switch-default] switch( left ) ^ /usr/lib/perl5/core_perl/CORE/hv_func.h: In function ‘S_perl_hash_superfast’: /usr/lib/perl5/core_perl/CORE/hv_func.h:274:5: error: switch missing default case [-Werror=switch-default] switch (rem) { \ ^ /usr/lib/perl5/core_perl/CORE/hv_func.h: In function ‘S_perl_hash_murmur3’: /usr/lib/perl5/core_perl/CORE/hv_func.h:398:5: error: switch missing default case [-Werror=switch-default] switch(bytes_in_carry) { /* how many bytes in carry */ ^ Let's disable the warnings for code which uses perl.h. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1372063394-20126-1-git-send-email-kirill@shutemov.name Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf tools: Support callchain sorting based on addressesAndi Kleen
With programs with very large functions it can be useful to distinguish the callgraph nodes on more than just function names. So for example if you have multiple calls to the same function, it ends up being separate nodes in the chain. This patch adds a new key field to the callgraph options, that allows comparing nodes on functions (as today, default) and addresses. Longer term it would be nice to also handle src lines, but that would need more changes and address is a reasonable proxy for it today. I right now reference the global params, as there was no simple way to register a params pointer. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/n/tip-0uskktybf0e7wrnoi5e9b9it@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf bench: Fix memcpy benchmark for large sizesAndi Kleen
The glibc calloc() function has an optimization to not explicitely memset() very large calloc allocations that just came from mmap(), because they are known to be zero. This could result in the perf memcpy benchmark reading only from the zero page, which gives unrealistic results. Always call memset explicitly on the source area to avoid this problem. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Hitoshi Mitake <h.mitake@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: http://lkml.kernel.org/n/tip-pzz2qrdq9eymxda0y8yxdn33@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf evsel: Handle ENODEV on default cycles eventDavid Ahern
Some systems (e.g., VMs on qemu-0.13 with the default vcpu model) report an unsupported CPU model: Performance Events: unsupported p6 CPU model 2 no PMU driver, software events only. Subsequent invocations of perf fail with: The sys_perf_event_open() syscall returned with 19 (No such device) for event (cycles). /bin/dmesg may provide additional information. No CONFIG_PERF_EVENTS=y kernel support configured? Add ENODEV to the list of errno's to fallback to cpu-clock. Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1374190079-28507-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-22perf script: Fix named threads supportDavid Ahern
Commit 73994dc broke named thread support in perf-script. The thread struct in al is the main thread for a multithreaded process. The thread struct used for analysis (e.g., dumping events) should be the specific thread for the sample. Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Feng Tang <feng.tang@intel.com> Link: http://lkml.kernel.org/r/1374185175-28272-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-19Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: * Add missing 'finished_round' event forwarding in 'perf inject', from Adrian Hunter. * Assorted tidy ups, from Adrian Hunter. * Fall back to sysfs event names when parsing fails, from Andi Kleen. * List pmu events in perf list, from Andi Kleen. * Cleanup some memory allocation/freeing uses, from David Ahern. * Add option to collapse undesired parts of call graph, from Greg Price. * Prep work for multi perf data file storage, from Jiri Olsa. * Add support for more than two files comparision in 'perf diff', from Jiri Olsa * A few more 'perf test' improvements, from Jiri Olsa * libtraceevent cleanups, from Namhyung Kim. * Remove odd build stall in 'perf sched' by moving a large struct initialization from a local variable to a global one, from Namhyung Kim. * Add support for callchains in the gtk UI, from Namhyung Kim. * Do not apply symfs for an absolute vmlinux path, fix from Namhyung Kim. * Use default include path notation for libtraceevent, from Robert Richter. * Fix 'make tools/perf', from Robert Richter. * Make Power7 events available, from Runzhen Wang. * Add --objdump option to 'perf top', from Sukadev Bhattiprolu. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-07-17perf header: Recognize version number for perf data fileJiri Olsa
Keep the recognized data file version within 'struct perf_header'. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-8-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf header: Introduce feat_offset into perf_headerJiri Olsa
Introducing feat_offset into perf_header to make the location of the features section clear. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-5-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf header: Remove attr_offset from perf_headerJiri Olsa
Removing attr_offset from perf_header as it's possible to use it as a local variable. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-4-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf header: Remove data_offset seek as it's not neededJiri Olsa
Removing data_offset seek as it's not needed, because data are not read by syscall but mmaped instead. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf session: Use session->fd instead of passing fd as argumentJiri Olsa
Using session->fd instead of passing fd as argument because it's always session->fd that's passed as fd argument. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374083403-14591-2-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf tests: Check proper prev_state size for sched_switch tpJiri Olsa
The prev_state is defined as long which is 4 bytes long on 32-bit x86. Changing the check against sizeof(long). Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1373639346-4547-1-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf symbols: Do not apply symfs for an absolute vmlinux pathNamhyung Kim
If an user gives both of --symfs and --vmlinux option, the vmlinux will be searched under the symfs directory. This is somewhat confusing since vmlinux often lives in kernel build directory or somewhere other than user space binaries. So it'd be better not adding symfs prefix for a vmlinux if it has an absolute pathname. Reported-by: Kwanghyun Yoo <ykh815.yoo@lge.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1374048495-3643-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-17perf tools: Fix 'make tools/perf'Robert Richter
Boris just raised another variant of building perf tools which is broken: $ make tools/perf ... LINK /home/robert/cx/linux/tools/perf/perf gcc: error: ../linux/tools/lib/lk/liblk.a: No such file or directory The variant wasn't considered by: 107de37 perf tools: Fix build errors with O and DESTDIR make vars set There are other variant of building perf too: $ make -C tools perf $ make -C tools/perf Plus variants with O= and DESTDIR set. This patch fixes the above and was tested with the following: $ make O=... DESTDIR=... tools/perf $ make O=... DESTDIR=... -C tools/ perf $ make O=... DESTDIR=... -C tools/perf $ make tools/perf $ make -C tools/ perf $ make -C tools/perf Reported-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Robert Richter <robert.richter@linaro.org> Signed-off-by: Robert Richter <rric@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-tip-commits@vger.kernel.org Link: http://lkml.kernel.org/r/20130716145036.GH8731@rric.localhost Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-15perf tools: Remove event types framework completelyJiri Olsa
Removing event types framework completely. The only remainder (apart from few comments) is following enum: enum perf_user_event_type { ... PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */ ... } It's kept as deprecated, resulting in error when processed in perf_session__process_user_event function. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1373556513-3000-6-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-15perf record: Remove event types pushingJiri Olsa
Removing event types data pushing from record command. It's no longer needed, because this data is ignored. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1373556513-3000-5-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-15perf tools: Remove event types from perf data fileJiri Olsa
Removing event types data storing/reading to/from perf data file as it's no longer needed. The only user of this data 'perf timechart' was switched to use tracepoints handler callbacks. The event_types offset and size stay in the perf data file header but are ignored from now on. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1373556513-3000-4-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-15perf timechart: Remove event types framework only userJiri Olsa
The only user of the event types data is 'perf timechart' command and uses this info to identify proper tracepoints based on its name. Switching this code to use tracepoint callbacks handlers same as another commands like builtin-{kmem,lock,sched}.c using the perf_session__set_tracepoints_handlers function. This way we get rid of the only event types user and can remove them completely in next patches. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Renninger <trenn@suse.de> Link: http://lkml.kernel.org/r/1373556513-3000-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-15perf timechart: Use traceevent lib event-parse.h includeJiri Olsa
Adding traceevent lib event-parse.h include to timechart command and removing duplicated local 'enum trace_flag_type' definition. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Renninger <trenn@suse.de> Link: http://lkml.kernel.org/r/1373556513-3000-2-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-13Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: - fix for do_div() abuse on x86 - locking fix in perf core - a pile of (build) fixes and cleanups in perf tools * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) perf/x86: Fix incorrect use of do_div() in NMI warning perf: Fix perf_lock_task_context() vs RCU perf: Remove WARN_ON_ONCE() check in __perf_event_enable() for valid scenario perf: Clone child context from parent context pmu perf script: Fix broken include in Context.xs perf tools: Fix -ldw/-lelf link test when static linking perf tools: Revert regression in configuration of Python support perf tools: Fix perf version generation perf stat: Fix per-socket output bug for uncore events perf symbols: Fix vdso list searching perf evsel: Fix missing increment in sample parsing perf tools: Update symbol_conf.nr_events when processing attribute events perf tools: Fix new_term() missing free on error path perf tools: Fix parse_events_terms() segfault on error path perf evsel: Fix count parameter to read call in event_format__new perf tools: fix a typo of a Power7 event name perf tools: Fix -x/--exclude-other option for report command perf evlist: Enhance perf_evlist__start_workload() perf record: Remove -f/--force option perf record: Remove -A/--append option ...
2013-07-12perf tools: Move hist_entry__period_snprintf into stdio codeJiri Olsa
Moving hist_entry__period_snprintf function into stdio code and making it static, as it's no longer used anywhere else. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-ah8ms343h8xygt20iqz91kz4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Add generic order option for compute sortingJiri Olsa
Adding option 'o' to allow sorting based on the input file number. By default (without -o option) the output is sorted on baseline. Also removing '+' sorting support from -c option, because it's not needed anymore. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-l7dvhgt0azm7yiqg3fbn4dxw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Making compute functions staticJiri Olsa
All compute functions are now local to the diff command, making them static. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-mpmm8l71mnlp7139voba3aak@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Update perf diff documentation for multiple data comparisonJiri Olsa
Updating perf diff documentation to include multiple perf data files comparison. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-tr6su3wfm20k2m5npjggyvtw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Change diff command to work over multiple data filesJiri Olsa
Adding diff command the flexibility to specify multiple data files on input. If not input file is given the standard behaviour stands and diff inspects 'perf.data' and 'perf.data.old' files. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-8j3xer54ltvs76t0fh01gcvu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Move columns into struct data__fileJiri Olsa
Another step towards multiple data files support. Having columns definition within struct data__file force each data file having its own columns. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/n/tip-lnfqj7k7fqw8bz07pupi5464@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Move diff related columns into diff commandJiri Olsa
Moving diff related columns into diff command, because they are not used by any other command. Also moving the column entry functions under generic one with baseline as an exception. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-v58qfl75xkqojz54h1v5fy6p@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Display data file info ahead of the diff outputJiri Olsa
Data files are referenced through the index of the file on the command line. Adding list of data files for each index to ease up navigation for user. It's displayed only if in verbose mode. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/n/tip-dfjxa6n116ughjjxohpkuvi8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf hists: Marking dummy hists entriesJiri Olsa
It does not make sense to make some computation (ratio, wdiff), when the hist_entry is 'dummy' - added via hists__link. Adding dummy field to struct hist_entry which indicates that it was added by hists__link and avoiding some of the processing for such entries. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-g8bxml0n0pnqsrpyd98p0ird@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Switching the base hists to be pairs headJiri Olsa
Making the baseline hists to act as a pairs head. So far we don't care which hists act as a pairs head, because we have only 2 files to deal with and any of them is suitable to do the job. But if we want to process more files, we need to pick up one hists to act as pairs head, and the baseline hists is the most suitable. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-cklmt2o4j87i9viz900245ae@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf diff: Introducing diff_data object to hold filesJiri Olsa
Introducing struct diff_data to hold data file specifics. It will be handy when dealing with more than 2 data files. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-981q265sf6h05zuu8fnvw842@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Centralize default columns init in perf_hpp__initJiri Olsa
Now when diff command is separated from other standard outputs, we can use perf_hpp__init to initialize all standard columns. Moving PERF_HPP__OVERHEAD column init back to perf_hpp__init, and removing extra enable calls. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-nj2xk89tj972tbqswfs498ex@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Add struct perf_hpp_fmt into hpp callbacksJiri Olsa
Adding 'struct perf_hpp_fmt' into hpp callbacks, so commands can access their private data. It'll be handy for diff command in future to be able to access file related data for each column. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-7vy2m18574b1bicoljn8e9lw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf report/top: Add option to collapse undesired parts of call graphGreg Price
For example, in an application with an expensive function implemented with deeply nested recursive calls, the default call-graph presentation is dominated by the different callchains within that function. By ignoring these callees, we can collect the callchains leading into the function and compactly identify what to blame for expensive calls. For example, in this report the callers of garbage_collect() are scattered across the tree: $ perf report -d ruby 2>- | grep -m10 ^[^#]*[a-z] 22.03% ruby [.] gc_mark --- gc_mark |--59.40%-- mark_keyvalue | st_foreach | gc_mark_children | |--99.75%-- rb_gc_mark | | rb_vm_mark | | gc_mark_children | | gc_marks | | |--99.00%-- garbage_collect If we ignore the callees of garbage_collect(), its callers are coalesced: $ perf report --ignore-callees garbage_collect -d ruby 2>- | grep -m10 ^[^#]*[a-z] 72.92% ruby [.] garbage_collect --- garbage_collect vm_xmalloc |--47.08%-- ruby_xmalloc | st_insert2 | rb_hash_aset | |--98.45%-- features_index_add | | rb_provide_feature | | rb_require_safe | | vm_call_method Signed-off-by: Greg Price <price@mit.edu> Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20130623031720.GW22203@biohazard-cafe.mit.edu Link: http://lkml.kernel.org/r/20130708115746.GO22203@biohazard-cafe.mit.edu Cc: Fengguang Wu <fengguang.wu@intel.com> [ remove spaces at beginning of line, reported by Fengguang Wu ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf list: List kernel supplied event aliasesAndi Kleen
List the kernel supplied pmu event aliases in perf list It's better when the users can actually see them. Signed-off-by: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1366480949-32292-2-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Default to cpu// for events v5Andi Kleen
When an event fails to parse and it's not in a new style format, try to parse it again as a cpu event. This allows to use sysfs exported events directly without //, so you can use perf record -e mem-loads ... instead of perf record -e cpu/mem-loads/ Signed-off-by: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1366480949-32292-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: struct thread has a tid not a pidAdrian Hunter
As evident from 'machine__process_fork_event()' and 'machine__process_exit_event()' the 'pid' member of struct thread is actually the tid. Rename 'pid' to 'tid' in struct thread accordingly. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-13-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Validate perf event header sizeAdrian Hunter
The 'size' variable includes the header so must be at least 'sizeof(struct perf_event_header)'. Error out immediately if that is not the case. Also don't byte-swap the header until it is actually "fetched" from the mmap region. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-9-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf evlist: Tidy duplicated munmap codeAdrian Hunter
The same lines of code are used in three places. Make it a new function '__perf_evlist__munmap()'. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-8-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Add const specifier to perf_pmu__find name parameterAdrian Hunter
The name parameter is constant, declare it so. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf inject: Add missing 'finished_round'Adrian Hunter
By default, perf inject should "repipe" all events including 'finished_round'. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf tools: Fix missing tool parameterAdrian Hunter
The 'inject' command expects to get a reference to 'struct perf_inject' from its 'tool' member. For that to work, 'tool' needs to be a parameter of all tool callbacks. Make it so. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-07-12perf inject: Remove unused parameterAdrian Hunter
The 'machine' parameter is unused in 'perf_event__repipe_synth()' and some callers pass NULL anyway. So remove it. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.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/r/1372944040-32690-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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