<feed xmlns='http://www.w3.org/2005/Atom'>
<title>kernel/linux.git/tools/perf/lib/Makefile, branch v5.4.185</title>
<subtitle>Linux kernel stable tree (mirror)</subtitle>
<id>https://git.radix-linux.su/kernel/linux.git/atom?h=v5.4.185</id>
<link rel='self' href='https://git.radix-linux.su/kernel/linux.git/atom?h=v5.4.185'/>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/'/>
<updated>2019-09-25T12:51:49+00:00</updated>
<entry>
<title>libperf: Add libperf dependency for tests targets</title>
<updated>2019-09-25T12:51:49+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-09-02T08:35:47+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=fb4bf51fcc153f74c86e08ce1d17e9f1a1a71ba0'/>
<id>urn:sha1:fb4bf51fcc153f74c86e08ce1d17e9f1a1a71ba0</id>
<content type='text'>
Add libperf dependency for tests targets.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;a.p.zijlstra@chello.nl&gt;
Link: http://lore.kernel.org/lkml/20190913132355.21634-36-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Link libapi.a in libperf.so</title>
<updated>2019-09-25T12:51:45+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-08-18T21:02:58+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=d80a5540bccb4a9e7bd49d249056ce4c7d385ff3'/>
<id>urn:sha1:d80a5540bccb4a9e7bd49d249056ce4c7d385ff3</id>
<content type='text'>
Linking libapi.a in libperf.so, because we are about to use some of the
API functions in it.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;a.p.zijlstra@chello.nl&gt;
Link: http://lore.kernel.org/lkml/20190913132355.21634-10-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Add missing event.h file to install rule</title>
<updated>2019-09-10T13:33:32+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-09-01T12:48:22+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=227cb129858a3eb4b874937274b09834ffcc39b0'/>
<id>urn:sha1:227cb129858a3eb4b874937274b09834ffcc39b0</id>
<content type='text'>
So that this development header is properly installed and can be found
by tools linking with libperf.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Link: http://lore.kernel.org/lkml/20190901124822.10132-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Fix arch include paths</title>
<updated>2019-08-20T15:29:36+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@redhat.com</email>
</author>
<published>2019-08-20T12:46:24+00:00</published>
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<id>urn:sha1:b81d39c7a1efb83caa3f4419939a46e96191abb6</id>
<content type='text'>
Guenter Roeck reported problem with compilation when the ARCH is
specified:

  $ make ARCH=x86_64
  In file included from tools/include/asm/atomic.h:6:0,
                   from include/linux/atomic.h:5,
                   from tools/include/linux/refcount.h:41,
                   from cpumap.c:4: tools/include/asm/../../arch/x86/include/asm/atomic.h:11:10:
  fatal error: asm/cmpxchg.h: No such file or directory

The problem is that we don't use SRCARCH (the sanitized ARCH version)
and we don't get the proper include path.

Reported-by: Guenter Roeck &lt;linux@roeck-us.net&gt;
Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Tested-by: Guenter Roeck &lt;linux@roeck-us.net&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Alexey Budankov &lt;alexey.budankov@linux.intel.com&gt;
Cc: Andi Kleen &lt;ak@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Fixes: 314350491810 ("libperf: Make libperf.a part of the perf build")
Link: http://lkml.kernel.org/r/20190820124624.GG24105@krava
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Add tests support</title>
<updated>2019-07-29T21:34:46+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-07-21T11:24:59+00:00</published>
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<id>urn:sha1:6a94b52a71b7d3ca3ec47c194f7916b306cb26ef</id>
<content type='text'>
Adding simple test framework, now empty.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Alexey Budankov &lt;alexey.budankov@linux.intel.com&gt;
Cc: Andi Kleen &lt;ak@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Link: http://lkml.kernel.org/r/20190721112506.12306-73-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Add install targets</title>
<updated>2019-07-29T21:34:46+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-07-21T11:24:58+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=0a64d7091efde161a7d0fa385ed5c3bdb72ecdf9'/>
<id>urn:sha1:0a64d7091efde161a7d0fa385ed5c3bdb72ecdf9</id>
<content type='text'>
Add install targets (mostly copied from tools/lib/bpf), it's now
possible to install libperf with:

  $ make DESTDIR=/tmp/krava  install
    INSTALL  libperf.a
    INSTALL  libperf.so
    INSTALL  libperf.so.0
    INSTALL  libperf.so.0.0.1
    INSTALL  headers
    INSTALL  libperf.pc

  $ find /tmp/krava/
  /tmp/krava/
  /tmp/krava/include
  /tmp/krava/include/perf
  /tmp/krava/include/perf/evsel.h
  /tmp/krava/include/perf/evlist.h
  /tmp/krava/include/perf/threadmap.h
  /tmp/krava/include/perf/cpumap.h
  /tmp/krava/include/perf/core.h
  /tmp/krava/lib64
  /tmp/krava/lib64/pkgconfig
  /tmp/krava/lib64/pkgconfig/libperf.pc
  /tmp/krava/lib64/libperf.so.0.0.1
  /tmp/krava/lib64/libperf.so.0
  /tmp/krava/lib64/libperf.so
  /tmp/krava/lib64/libperf.a

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Tested-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Alexey Budankov &lt;alexey.budankov@linux.intel.com&gt;
Cc: Andi Kleen &lt;ak@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Link: http://lkml.kernel.org/r/20190721112506.12306-72-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Add build version support</title>
<updated>2019-07-29T21:34:43+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-07-21T11:24:11+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=47f9bccc79cb067103ad5e9790e0d01c94839429'/>
<id>urn:sha1:47f9bccc79cb067103ad5e9790e0d01c94839429</id>
<content type='text'>
Add a shared library version, generating the following files:

  $ ll tools/perf/lib/libperf.so*
  libperf.so -&gt; libperf.so.0.0.1
  libperf.so.0 -&gt; libperf.so.0.0.1
  libperf.so.0.0.1

Committer testing:

One has to build just libbperf to get this, building perf so far doesn't
trigger this, i.e. I tried:

  $ make O=/tmp/build/perf -C tools/perf

And the files above were not created, so one has to do:

  $ make O=/tmp/build/perf -C tools/perf/lib/
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    LINK     /tmp/build/perf/libperf.so.0.0.1
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  $ ls -la /tmp/build/perf/*.so.*
  lrwxrwxrwx. 1 acme acme    16 Jul 22 15:37 /tmp/build/perf/libperf.so.0 -&gt; libperf.so.0.0.1
  -rwxrwxr-x. 1 acme acme 16368 Jul 22 15:37 /tmp/build/perf/libperf.so.0.0.1
  $

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Tested-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Alexey Budankov &lt;alexey.budankov@linux.intel.com&gt;
Cc: Andi Kleen &lt;ak@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Link: http://lkml.kernel.org/r/20190721112506.12306-25-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
<entry>
<title>libperf: Make libperf.a part of the perf build</title>
<updated>2019-07-29T21:34:43+00:00</updated>
<author>
<name>Jiri Olsa</name>
<email>jolsa@kernel.org</email>
</author>
<published>2019-07-21T11:24:10+00:00</published>
<link rel='alternate' type='text/html' href='https://git.radix-linux.su/kernel/linux.git/commit/?id=3143504918105156d03e8f927e127f7b9ea260d2'/>
<id>urn:sha1:3143504918105156d03e8f927e127f7b9ea260d2</id>
<content type='text'>
Add an empty libperf.a under tools/perf/lib and link it with perf.

It can also be built separately with:

  $ cd tools/perf/lib &amp;&amp; make
    CC       core.o
    LD       libperf-in.o
    AR       libperf.a
    LINK     libperf.so

Committer testing:

  $ make O=/tmp/build/perf -C tools/perf/lib/
  make: Entering directory '/home/acme/git/perf/tools/perf/lib'
    LINK     /tmp/build/perf/libperf.so
  make: Leaving directory '/home/acme/git/perf/tools/perf/lib'
  $ ls -la /tmp/build/perf/libperf.so
  -rwxrwxr-x. 1 acme acme 16232 Jul 22 15:30 /tmp/build/perf/libperf.so
  $ file /tmp/build/perf/libperf.so
  /tmp/build/perf/libperf.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=7a51d227d871b381ddb686dcf94145c4dd908221, not stripped
  $ git status tools/perf
  On branch perf/core
  nothing to commit, working tree clean
  $
  $ ls -lart tools/perf/lib/
  total 16
  drwxrwxr-x. 16 acme acme 4096 Jul 22 15:29 ..
  -rw-rw-r--.  1 acme acme 1633 Jul 22 15:29 Makefile
  -rw-rw-r--.  1 acme acme    0 Jul 22 15:29 core.c
  -rw-rw-r--.  1 acme acme   20 Jul 22 15:29 Build
  drwxrwxr-x.  2 acme acme 4096 Jul 22 15:29 .
  $

Committer notes:

Need to add -I$(srctree)/tools/arch/$(ARCH)/include/uapi
-I$(srctree)/tools/include/uapi to tools/perf/lib/Makefile's INCLUDE
variable to pick up the latest versions of kernel headers, even in older
systems, this is in line with what is in tools/lib/bpf/Makefile.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Tested-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Cc: Alexander Shishkin &lt;alexander.shishkin@linux.intel.com&gt;
Cc: Alexey Budankov &lt;alexey.budankov@linux.intel.com&gt;
Cc: Andi Kleen &lt;ak@linux.intel.com&gt;
Cc: Michael Petlan &lt;mpetlan@redhat.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Link: http://lkml.kernel.org/r/20190721112506.12306-24-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
</entry>
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