No need to have this polluting util.h, it was polluted enough already.

Link: http://lkml.kernel.org/n/tip-wfdidqlwbvi5y0s61kv6z2gn@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

We already have a header for time utilities, so use it.

Link: http://lkml.kernel.org/n/tip-sijzpbvutlg0c3oxn49hy9ca@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Out of util.h, to disentangle it a bit more.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-vpksyj3w5fk9t8s6mxmkajyr@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

And remove it from util.h, disentangling it a bit more.

Link: http://lkml.kernel.org/n/tip-2zg9s5nx90yde64j3g4z2uhk@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

No need to drag the headers, helps in untangling them and reducing build
time.

Link: http://lkml.kernel.org/n/tip-l8soqph92duyw5jdha0fij8b@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Remnants from the git codebase.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-kwaez3uxo1w9f8v5r7etl0w6@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

The users of regex and fnmatch functions should include those headers
instead.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ixzm5kuamsq1ixbkuv6kmwzj@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

The files using the dirent.h routines should instead include it,
reducing the includes hell that lead to longer build times.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-42g2f4z6nfg7mdb2ae97n7tj@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Those args _are_ being used.

Link: http://lkml.kernel.org/n/tip-yi9s00ki1i1tcc704v042957@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Instead of getting it out of luck from util.h, where it isn't needed at
all.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-0bqugg5lc5ksla1v4m0dnmc1@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

When we switched to the kernel's roundup_pow_of_two we forgot to remove
this include from util.h, do it now.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 91529834 ("perf evlist: Use roundup_pow_of_two")
Link: http://lkml.kernel.org/n/tip-kfye5rxivib6155cltx0bw4h@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Disentangling util.h header mess a bit more.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-aj6je8ly377i4upedmjzdsq6@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Continuing the disentanglement, mostly the TUI needs CTRL(c), that is
in sys/ttydefaults.h and term.c needs the termios headers.

And term.h needs to be added to a few places too.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-il19zna7qj9ytavdbwlipc7t@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

There are places where we just need a forward declaration, and others
were we need to include strlist.h and/or strfilter.h, reducing the
impact of changes in headers on the build time, do it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-zab42gbiki88y9k0csorxekb@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Removing it from util.h, part of an effort to disentangle the includes
hell, that makes changes to util.h or something included by it to cause
a complete rebuild of the tools.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ztrjy52q1rqcchuy3rubfgt2@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Moving them from util.h, where they don't belong. Since libc already
have string.h, name it slightly differently, as string2.h.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-eh3vz5sqxsrdd8lodoro4jrw@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Out of util.h into a new file, srcline.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ludnlm4djqcdjziekzr4s3u9@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Continuing the split of util.[ch] into more manageable bits.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5eu367rwcwnvvn7fz09l7xpb@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

More stuff that came from git, out of the hodge-podge that is util.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-e3lana4gctz3ub4hn4y29hkw@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Should make sense for windows, where git is supported.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lzxlhmqrizk72d0zcsreggy8@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Both do the same thing, the later is the one we get from
linux/stringify.h, i.e. we now use the same function name/practice as
the kernel sources.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-w2sxa5o4bfx7fjrd5mu4zmke@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

We get them from inttypes.h.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-qla4e4mwbf1oewafp1ee2etd@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Needed to use the PRI[xu](32,64) formatting macros.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-wkbho8kaw24q67dd11q0j39f@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

TYPEOF(), for instance, was only used by MSB() that wasn't used at all,
besides typeof() is used in many places, should be the preferred way.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-golox8oa2w1oq28snki14z6s@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

To pave the way for further cleanups where linux/kernel.h may stop being
included in some header.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-qqxan6tfsl6qx3l0v3nwgjvk@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

To match the kernel, then look for places redefining it to make it use
this version, which checks that its parameter is an array at build time.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-txlcf1im83bcbj6kh0wxmyy8@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

With just what we will need in the upcoming changesets, the
BUILD_BUG_ON_ZERO() definition.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lw8zg7x6ttwcvqhp90mwe3vo@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

We rely on symbol->name[0] since the beginning of tools/perf/, never
having received any complaint about it, also all the containers build
perf just fine, so remove this git codebase remnant.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-jsjpgojut8e22o2gtz83augk@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Since it uses EINVAL unconditionally, it needs to also unconditionally
include errno.h.

Detected when recent changes made errno.h not be included by chance when
tools/perf/arch/arm64/util/unwind-libunwind.c gets included by
tools/perf/util/libunwind/arm64.c.

Putting this changeset just before that change so that we don't lose
bisectability on arm64.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 8ab596af ("perf tools ARM64: Wire up perf_regs and unwind support")
Link: http://lkml.kernel.org/n/tip-60zjev2o1locp5ivod38epa2@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

In https://lkml.org/lkml/2017/2/2/16 I reported a build error that I
believed was caused by wrong uapi includes. The synthom was fixed by
Arnaldo in:

 commit 2f7db555 ("perf tools: Fix include of linux/mman.h")

but I was wrong attributing the problem to the uapi include.

The root cause was that I was using ARCH=x86_64, hence using the wrong
uapi include path. This explains why no one else ran into this build
problem.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412064919.92449-8-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Besides memory allocation failure, tips.txt may fail to load because the
file is not found (a more likely cause).

Communicate that to the user in tips failure warning.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412064919.92449-5-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

The build of JVMTI depends on LIBELF (-lelf). Make Makefile.conf
check this dependendancy and notify user when not present.

v2: Comma nitpicking.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Tested-by: NKim Phillips <kim.phillips@arm.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412170745.26620-1-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

perf trace supports --no-syscalls option but it's not listed in the man
page. (Though, I see an example using --no-syscalls in EXAMPLES
section.)

Committer note:

The --no-syscalls option tells 'perf trace' not to automagically ask for
raw_syscalls:sys_{enter,exit} to then format it in a strace like way.

This become more used as 'perf trace' got support for arbitrary events,
such as tracepoints, so more and more we use:

  # perf trace --no-syscalls -e nmi:*
     0.000 nmi:nmi_handler:perf_event_nmi_handler() delta_ns: 36649 handled: 1)
     0.019 nmi:nmi_handler:nmi_cpu_backtrace_handler() delta_ns: 2907 handled: 0)
     0.676 nmi:nmi_handler:perf_event_nmi_handler() delta_ns: 9401 handled: 1)
     0.680 nmi:nmi_handler:nmi_cpu_backtrace_handler() delta_ns: 288 handled: 0)
     0.701 nmi:nmi_handler:perf_event_nmi_handler() delta_ns: 4977 handled: 1)
     0.703 nmi:nmi_handler:nmi_cpu_backtrace_handler() delta_ns: 67 handled: 0)
     0.736 nmi:nmi_handler:perf_event_nmi_handler() delta_ns: 8549 handled: 1)
  ^C#
Signed-off-by: NRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexis Berlemont <alexis.berlemont@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1492063332-5745-1-git-send-email-ravi.bangoria@linux.vnet.ibm.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

(This is a patch has been sitting in the Intel CQM/CMT driver series for
 a while, despite not depend on it. Sending it now independently since
 the series is being discarded.)

When an event is in error state, read() returns 0 instead of sizeof()
buffer. In certain modes, such as interval printing, ignoring the 0
return value may cause bogus count deltas to be computed and thus
invalid results printed.

This patch fixes this problem by modifying read_counters() to mark the
event as not scaled (scaled = -1) to force the printout routine to show
<NOT COUNTED>.
Signed-off-by: NStephane Eranian <eranian@google.com>
Reviewed-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412182301.44406-1-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

( This is a rebased version of https://lkml.org/lkml/2017/2/7/662 )

Python's CC and link Makefile variables were not passed to feature
detection, causing feature detection to use system's Python rather than
PYTHON_CONFIG's one. This created a mismatch between the detected Python
support and the one actually used by perf when PYTHON_CONFIG is
specified.

Fix it by moving Python's variable initialization to before feature
detection and pass FLAGS_PYTHON_EMBED to Python's feature detection's
build target.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412064919.92449-2-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

When parsing disassemble lines for source line number, use a stripped
line instead of raw line.
Signed-off-by: NTaeung Song <treeze.taeung@gmail.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1491612748-1605-3-git-send-email-treeze.taeung@gmail.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

When parsing disassemble lines, use ltrim() and rtrim() to strip them,
not using just while loop and isspace().
Signed-off-by: NTaeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1491612748-1605-2-git-send-email-treeze.taeung@gmail.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Pipe-mode has no perf.data header, hence no upfront knowledge of presend
and missing features, hence, do not print missing features in pipe-mode.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-8-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

Session sets a number parameters that rely on evlist. These parameters
are not used in pipe-mode and should not be set, since evlist is
unavailable. Fix that.
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-6-davidcc@google.com
[ Check if file != NULL in perf_session__new(), like when used by builtin-top.c ]
Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

perf annotate did not get some love for pipe-mode, and did not have
.attr and .buil_id setup (while record and inject did. Fix that.

It can easily be reproduced by:

  perf record -o - noploop | perf annotate

that in my system shows:
    0xd8 [0x28]: failed to process type: 9

Committer Testing:

Before:

  $ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
  stress: info: [11060] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
  0x4470 [0x28]: failed to process type: 9
  $ stress: info: [11060] successful run completed in 2s

  $

After:

  $ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
  stress: info: [11871] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
  stress: info: [11871] successful run completed in 2s
  [ perf record: Woken up 2 times to write data ]
  [ perf record: Captured and wrote 0.000 MB - ]
  no symbols found in /usr/bin/stress, maybe install a debug package?
   Percent |      Source code & Disassembly of libc-2.24.so for cycles:uhH (6117 samples)
  ---------------------------------------------------------------------------------------
           :
           :      Disassembly of section .text:
           :
           :      000000000003b050 <random_r>:
           :      __random_r():
     10.56 :        3b050:       test   %rdi,%rdi
      0.00 :        3b053:       je     3b0d0 <random_r+0x80>
      0.34 :        3b055:       test   %rsi,%rsi
      0.00 :        3b058:       je     3b0d0 <random_r+0x80>
      0.46 :        3b05a:       mov    0x18(%rdi),%eax
     12.44 :        3b05d:       mov    0x10(%rdi),%r8
      0.18 :        3b061:       test   %eax,%eax
      0.00 :        3b063:       je     3b0b0 <random_r+0x60>
<SNIP>
Signed-off-by: NDavid Carrillo-Cisneros <davidcc@google.com>
Tested-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-5-davidcc@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>