facbf0b982
Merge remote-tracking branch 'torvalds/master' into perf/core
...
To pick up fixes and move perf/core forward, minor conflict as
perf_evlist__add_dummy() lost its 'perf_' prefix as it operates on a
'struct evlist', not on a 'struct perf_evlist', i.e. its tools/perf/
specific, it is not in libperf.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2020-07-08 13:49:15 -03:00
4e59ab93e2
tools lib traceevent: Change to SPDX License format
...
Replaced COPYING with a description of how the SPDX identifiers are
used. Added a GPL-2.0 and LGPL-2.1 license file in the new LICENSES
directory. Then removed all the license templates from the source files
and replaced them with the corresponding SPDX identifier.
Link: http://lore.kernel.org/linux-trace-devel/20200702174950.123454-6-tz.stoyanov@gmail.com
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org >
[ Ported from trace-cmd.git ]
Cc: Andrew Morton <akpm@linux-foundation.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung@kernel.org >
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200702185705.601167185@goodmis.org
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com >
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2020-07-06 09:02:20 -03:00
374855c5e4
tools lib traceevent: Add API to read time information from kbuffer
...
Add the functions kbuffer_subbuf_timestamp() and kbuffer_ptr_delta() to
get the timing data stored in the ring buffer that is used to produced
the time stamps of the records.
This is useful for tools like trace-cmd to be able to display the
content of the read data to understand why the records show the time
stamps that they do.
Link: http://lore.kernel.org/linux-trace-devel/20200625100516.365338-2-tz.stoyanov@gmail.com
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org >
[ Ported from trace-cmd.git ]
Cc: Andrew Morton <akpm@linux-foundation.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung@kernel.org >
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200702185703.619656282@goodmis.org
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com >
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2020-07-03 08:30:10 -03:00
70df6a7311
tools lib traceevent: Add more debugging to see various internal ring buffer entries
...
When trace-cmd report --debug is set, show the internal ring buffer
entries like time-extends and padding. This requires adding new kbuffer
API to retrieve these items.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org >
Cc: Andrew Morton <akpm@linux-foundation.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung@kernel.org >
Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com >
Link: http://lkml.kernel.org/r/20190401164343.257591565@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2019-04-01 15:18:09 -03:00
82ac952be6
tools lib traceevent: Add way to find sub buffer boundary
...
For debugging purposes, it may be helpful for the kbuffer library to flag
when crossing a sub buffer.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org >
Cc: Andrew Morton <akpm@linux-foundation.org >
Cc: Jiri Olsa <jolsa@redhat.com >
Cc: Namhyung Kim <namhyung@kernel.org >
Link: http://lkml.kernel.org/r/20150324135923.650983637@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2015-03-24 12:22:09 -03:00
d6c25223f6
tools lib traceevent: Port kbuffer parser routines
...
kbuffer code is for parsing ftrace ring-buffer binary data and used
for trace-cmd. Move the code here in order to be used more widely.
Signed-off-by: Namhyung Kim <namhyung@kernel.org >
Original-patch-by: Steven Rostedt <rostedt@goodmis.org >
Acked-by: Steven Rostedt <rostedt@goodmis.org >
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: Paul Mackerras <paulus@samba.org >
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl >
Cc: Steven Rostedt <rostedt@goodmis.org >
Link: http://lkml.kernel.org/r/1370323231-14022-7-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com >
2013-07-12 13:52:16 -03:00
