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6 Commits
Author SHA1 Message Date
Arnaldo Carvalho de Melo b1aa3db2c1 Merge remote-tracking branch 'torvalds/master' into perf/core 
Minor conflict in tools/perf/arch/arm/util/auxtrace.c as one fix there
was cherry-picked for the last perf/urgent pull req to Linus, so was
already there.

Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2020-08-03 09:37:31 -03:00
Ben Hutchings 39efdd94e3 libtraceevent: Fix build with binutils 2.35 
In binutils 2.35, 'nm -D' changed to show symbol versions along with
symbol names, with the usual @@ separator.  When generating
libtraceevent-dynamic-list we need just the names, so strip off the
version suffix if present.

Signed-off-by: Ben Hutchings <[email protected]>
Tested-by: Salvatore Bonaccorso <[email protected]>
Reviewed-by: Steven Rostedt <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2020-07-31 09:31:55 -03:00
Julia Cartwright 5973e6ebc0 tools lib traceevent: Add plugin for decoding syscalls/sys_enter_futex 
The futex syscall is a complicated one.  It supports thirteen
multiplexed operations, each with different semantics and encodings for
the syscalls six arguments.

Manually decoding these arguments is tedious and error prone.

This plugin provides symbolic names for futex operations, futex flags,
and tries to be intelligent about the intent of specific arguments (for
example, waking operations use 'val' as an integer count, not just an
arbitrary value).

It doesn't do a full decode of the FUTEX_WAKE_OP's 'val3' argument,
however, this is a good starting point.

Link: http://lkml.kernel.org/r/[email protected]
Link: http://lore.kernel.org/linux-trace-devel/[email protected]

Signed-off-by: Julia Cartwright <[email protected]>
[ Ported from trace-cmd.git ]
Cc: Andrew Morton <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Tzvetomir Stoyanov (VMware) <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2020-07-06 09:01:20 -03:00
Steven Rostedt (Red Hat) 3e14b100b0 tools lib traceevent: Add plugin for tlb_flush 
The tlb_flush tracepoints uses enums that are not yet known by the
traceevent library. Add a plugin to handle that.

Link: http://lore.kernel.org/linux-trace-devel/[email protected]

Signed-off-by: Steven Rostedt (VMware) <[email protected]>
[ Ported from trace-cmd.git ]
Cc: Andrew Morton <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Tzvetomir Stoyanov (VMware) <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2020-07-06 09:00:35 -03:00
Sudip Mukherjee c09982f8e2 libtraceevent: Allow custom libdir path 
When I use prefix=/usr and try to install libtraceevent in my laptop it
tries to install in /usr/lib64. I am not having any folder as /usr/lib64
and also the debian policy doesnot allow installing in /usr/lib64. It
should be in /usr/lib/x86_64-linux-gnu/.

Quote: No package for a 64 bit architecture may install files in
	/usr/lib64/ or in a subdirectory of it.

ref: https://www.debian.org/doc/debian-policy/ch-opersys.html

Make it more flexible by allowing to mention libdir_relative while
installing so that distros can mention the path according to their
policy or use the default one.

Signed-off-by: Sudipm Mukherjee <[email protected]>
Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Cc: Sudipm Mukherjee <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2019-12-16 13:40:26 -03:00
Tzvetomir Stoyanov (VMware) 077faf3dc7 libtraceevent: Move traceevent plugins in its own subdirectory 
All traceevent plugins code is moved to tools/lib/traceevent/plugins
subdirectory. It makes traceevent implementation in trace-cmd and in
kernel tree consistent. There is no changes in the way libtraceevent and
plugins are compiled and installed.

Committer notes:

Applied fixup provided by Steven, fixing the tools/perf/Makefile.perf
target for the plugin dynamic list file. Problem noticed when cross
building to aarch64 from a Ubuntu 19.04 container.

Suggested-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Tzvetomir Stoyanov (VMware) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Tzvetomir Stoyanov (VMware) <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Link: http://lore.kernel.org/linux-trace-devel/[email protected]
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2019-09-25 09:51:43 -03:00