- 09 Oct, 2013 40 commits
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Jiri Olsa authored
Moving 'struct throttle_event' out of python code and making it global as any other event. There's no usage of throttling events in any perf commands so far (besides python support), but we'll need this event data backup for upcoming test. 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/1378031796-17892-5-git-send-email-jolsa@redhat.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Jiri Olsa authored
Adding new common function to create evlist with default event. It spares some code lines in automated tests. Signed-off-by:
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Jiri Olsa authored
Adding possibility to specify mmap size via -m/--mmap-pages by appending unit size character (B/K/M/G) to the number, like: $ perf record -m 8K ls $ perf record -m 2M ls The size is rounded up appropriately to follow perf mmap restrictions. If no unit is specified the number provides pages as of now, like: $ perf record -m 8 ls Signed-off-by:
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Jiri Olsa authored
Move the check of the mmap_pages value to the options parsing time, so we could rely on this value on other parts of code. Related changes come in the next patches. Also changes perf_evlist::mmap_len to proper size_t type. Signed-off-by:
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Davidlohr Bueso authored
While perf-lock currently reports both the total wait time and the number of contentions, it doesn't explicitly show the average wait time. Having this value immediately in the report can be quite useful when looking into performance issues. Furthermore, allowing report to sort by averages is another handy feature to have - and thus do not only print the value, but add it to the lock_stat structure. Signed-off-by:
Davidlohr Bueso <davidlohr@hp.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1378693159-8747-8-git-send-email-davidlohr@hp.comSigned-off-by:
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Davidlohr Bueso authored
Two decimal precision should be enough for this. Signed-off-by:
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Davidlohr Bueso authored
This function should be straightforward, and we can remove some trivial logic by moving the functionality of read_events() into __cmd_report() - thus allowing a new session to be properly deleted. Since the 'info' subcommand also needs to process the recorded events, add a 'display_info' flag to differentiate between report and info commands. Furthermore, this patch also calls perf_session__has_traces(), making sure that we don't compare apples and oranges, fixing a segfault when using an perf.data file generated by a different subcommand. ie: ./perf mem record sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.017 MB perf.data (~724 samples) ] ./perf lock report Segmentation fault (core dumped) Signed-off-by:
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Davidlohr Bueso authored
Address some trivial leaks. Signed-off-by:
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Davidlohr Bueso authored
The report_lock_*_event() functions return -1 when lock_stat_findnew(), thread_stat_findnew() or get_seq() return NULL. These functions only return this value when failing to allocate memory, this return -ENOMEM instead. Signed-off-by:
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Davidlohr Bueso authored
No need for break statements after goto jumps. Signed-off-by:
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Jiri Olsa authored
Making page_size global from the util object. Removing the not needed one. Signed-off-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: 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/1379003976-5839-4-git-send-email-jolsa@redhat.comSigned-off-by:
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Jiri Olsa authored
Removing unused trace-event-* code. Acked-by:
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Ricardo Ribalda Delgado authored
On OpenEmbedded the symbol files are located under a .debug folder on the same folder as the binary file. This patch adds support for such files. Without this patch on perf top you can see: no symbols found in /usr/lib/gstreamer-1.0/libtheoraenc.so.1.1.2, maybe install a debug package? 84.56% libtheoraenc.so.1.1.2 [.] 0x000000000000b346 With this patch symbols are shown: 19.06% libtheoraenc.so.1.1.2 [.] oc_int_frag_satd_thresh_mmxext 9.76% libtheoraenc.so.1.1.2 [.] oc_analyze_mb_mode_luma 5.58% libtheoraenc.so.1.1.2 [.] oc_qii_state_advance 4.84% libtheoraenc.so.1.1.2 [.] oc_enc_tokenize_ac ... Signed-off-by:
Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Acked-by:
Ingo Molnar <mingo@kernel.org> 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 <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Waiman Long <Waiman.Long@hp.com> Link: http://lkml.kernel.org/r/1379512574-25912-1-git-send-email-ricardo.ribalda@gmail.comSigned-off-by:
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Ramkumar Ramachandra authored
The completion words $words and $cword are available, so we might as well use them instead of directly accessing COMP_WORDS. Signed-off-by:
Ramkumar Ramachandra <artagnon@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/1372941691-14684-8-git-send-email-artagnon@gmail.comSigned-off-by:
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Ramkumar Ramachandra authored
The bash-completion package defines the _get_comp_words_by_ref function. There is no need to depend on it, as we can reimplement it like git.git has. Signed-off-by:
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Ramkumar Ramachandra authored
Use "type" to check existence consistently. Signed-off-by:
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Ramkumar Ramachandra authored
_filedir is defined in the bash-completion package, but there is no need to depend on it. Instead, call complete with multiple -o arguments before the -F argument like in git.git's completion script. Signed-off-by:
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Ramkumar Ramachandra authored
The function is taken from the bash-completion package; update it to use the latest version where colon_word doesn't miss quoting. Signed-off-by:
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Ramkumar Ramachandra authored
The statement have perf limits the locations in which to look for the perf program. Moreover, it depends on the bash-completion package to be installed. Replace it with a call to `type perf`. Signed-off-by:
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Arnaldo Carvalho de Melo authored
Enabled by default, disable with --no-comm, e.g.: 181.821 (0.001 ms): deja-dup-monit/10784 recvmsg(fd: 8, msg: 0x7fff4342baf0, flags: PEEK|TRUNC|CMSG_CLOEXEC ) = 20 181.824 (0.001 ms): deja-dup-monit/10784 geteuid( ) = 1000 181.825 (0.001 ms): deja-dup-monit/10784 getegid( ) = 1000 181.834 (0.002 ms): deja-dup-monit/10784 recvmsg(fd: 8, msg: 0x7fff4342baf0, flags: CMSG_CLOEXEC ) = 20 181.836 (0.001 ms): deja-dup-monit/10784 geteuid( ) = 1000 181.838 (0.001 ms): deja-dup-monit/10784 getegid( ) = 1000 181.705 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: PEEK|TRUNC|CMSG_CLOEXEC) = 1256 181.710 (0.002 ms): evolution-addr/10924 geteuid( ) = 1000 181.712 (0.001 ms): evolution-addr/10924 getegid( ) = 1000 181.727 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: CMSG_CLOEXEC ) = 1256 181.731 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000 181.734 (0.001 ms): evolution-addr/10924 getegid( ) = 1000 181.908 (0.002 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: PEEK|TRUNC|CMSG_CLOEXEC) = 20 181.913 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000 181.915 (0.001 ms): evolution-addr/10924 getegid( ) = 1000 181.930 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: CMSG_CLOEXEC ) = 20 181.934 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000 181.937 (0.001 ms): evolution-addr/10924 getegid( ) = 1000 220.718 (0.010 ms): at-spi2-regist/10715 sendmsg(fd: 3, msg: 0x7fffdb8756c0, flags: NOSIGNAL ) = 200 220.741 (0.000 ms): dbus-daemon/10711 ... [continued]: epoll_wait()) = 1 220.759 (0.004 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = 200 220.780 (0.002 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = 200 220.788 (0.001 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = -1 EAGAIN Resource temporarily unavailable 220.760 (0.004 ms): at-spi2-regist/10715 sendmsg(fd: 3, msg: 0x7fffdb8756c0, flags: NOSIGNAL ) = 200 220.771 (0.023 ms): perf/26347 open(filename: 0xf2e780, mode: 15918976 ) = 19 220.850 (0.002 ms): perf/26347 close(fd: 19 ) = 0 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-6be5jvnkdzjptdrebfn5263n@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
61.168 ( 0.004 ms): 24267 eventfd2(flags: CLOEXEC|NONBLOCK) = 9 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-3hg8eajdzil077501c8f5jkw@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
[root@sandy ~]# perf trace -a -e recvmmsg,recvmsg,recvfrom,sendto,sendmsg,sendmmsg 6.901 (0.002 ms): 589 recvmsg(fd: 51, msg: 0x7fff35673420, flags: CMSG_CLOEXEC) = -1 EAGAIN Resource temporarily unavailable 6.966 (0.008 ms): 589 sendmsg(fd: 50, msg: 0x7fff35673230, flags: NOSIGNAL ) = 961 6.984 (0.004 ms): 979 sendmsg(fd: 3, msg: 0x7fff5b484940, flags: NOSIGNAL ) = 945 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-h25k5k50nac0ej5cl5iwgvae@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
This way we make the output more compact. If somebody complain (and provide a sane reason why we would like to see zeroes) we can make it an optional, ~/.perfconfig configurable knob. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-myqozw43hk8z2r5hsupzdk82@git.kernel.orgSigned-off-by:
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David Ahern authored
Entries in syscall_fmts need to be in alphabetical order, and the duplicate entry breaks bsearch on new entries around this duplicate entry. Signed-off-by:
David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/1378319865-55695-2-git-send-email-dsahern@gmail.comSigned-off-by:
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David Ahern authored
Current timestamp shown for output is time relative to firt sample. This patch adds an option to show the absolute perf_clock timestamp which is useful when comparing output across commands (e.g., perf-trace to perf-script). Signed-off-by:
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Arnaldo Carvalho de Melo authored
On the getrlimit, setrlimit and prlimit64 syscalls. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-pups75313afhn7p96qwhzs9v@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Removing the _OK suffix and using RWX when all three bits are set, for instance. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-ypaz9k43lyqy94679feqnv8x@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Taking into account the fact that the SOCK_ types can be overriden for ABI reasons on MIPS and also masking and interpreting the socket flags (NONBLOCK and CLOEXEC), printing whatever is left in the flags bits as an hex number, or'ed. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-cbn57082gq9v0sbsd67edwjq@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-8xuaupgmy82v7sha3l09oaux@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-ek8w714ramabyl5jqqvjlbyb@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-e2epkc38e3x0uqmi1xie4tgc@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
This is just for the low hanging fruit 'cmd' arg, a proper beautifier will as well use arg->mask to ignore the third arg for some of the cmds. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-phhvcyi9vdnxw9l11tbquvru@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-5f9jhbq8my4ojarhtlygveox@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
So that we can have generic formatters that act upon specific parameters. Start using them with a simple string table that assumes entries will be indexes to a string table, like with the 'which' parm for the set and getitimer syscalls Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-r0dqhapr8j6150v1wctgg340@git.kernel.orgSigned-off-by:
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Arnaldo Carvalho de Melo authored
So that we can add more state to formatters without having to modify all of them. Example is to pass a table to a generic string formatter, like for setitimer 'which' arg. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/n/tip-zyi2esmas5wfrxznh0x0fkiz@git.kernel.orgSigned-off-by:
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Jiri Olsa authored
Remove DUMMY by making sure 'feature_print' is evaluated and thus all messages are printed. Signed-off-by:
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Ingo Molnar authored
David Ahern reported that when passing in LDFLAGS=-static then the feature checks still succeed - causing build failures down the line because the static libraries are missing. Solve this by passing through LDFLAGS to the feature-check Makefile. Reported-by:
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Ingo Molnar authored
The various testcases used different styles, which was not really visible as long as they hid in feature-tests.mak. Now that they are out in the open make them prettier. ( Also delete the leftover, empty feature-tests.mak file. ) Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-drDWk8xltndjdsespzjbhu6w@git.kernel.orgSigned-off-by:
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Ingo Molnar authored
If someone specifies a single target, mixed with O=, the following way: hubble:~/tip/tools/perf> make O=/tmp/perf util/stat.o BUILD: Doing 'make -j8' parallel build gcc -Wbad-function-cast -Wdeclaration-after-statement -Wformat-security -Wformat-y2k [...] The build might even fail, if a target depends on other targets: hubble:~/tip/tools/perf> make O=/tmp/perf perf.o ... perf.c: In function ‘handle_options’: perf.c:155:21: error: ‘PERF_HTML_PATH’ undeclared (first use in this function) The correct way to invoke such targets is: hubble:~/tip/tools/perf> make O=/tmp/perf /tmp/perf/perf.o BUILD: Doing 'make -j8' parallel build GEN /tmp/perf/common-cmds.h CC /tmp/perf/perf.o But that's unnecessary typing and it's also easy to mistakenly build into the source directory. To fix this remove the generic suffix rules and add redirection to $(OUTPUT) for the most popular .o targets. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-mk0oiukmhgSbrll6chrPkkqr@git.kernel.orgSigned-off-by: -
Ingo Molnar authored
This was a long-standing bug, relative pathnames like O=dir did not fully work in the build system: $ make O=localdir clean SUBDIR Documentation ../../scripts/Makefile.include:3: *** O=localdir does not exist. Stop. make[1]: *** [clean] Error 2 make: *** [clean] Error 2 Fix this by canonizing the directory before passing it to Makefile.perf. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-hchMp1hozn9tqgswWcooxcru@git.kernel.orgSigned-off-by:
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