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| Filename | Latest commit message | Latest commit date |
|---|---|---|
48a1f56526
When doing pmu sampling and then running a script with perf script -s
script.py, the process_event function gets dictionary with some fields
from the perf ring buffer (like ip, sym, callchain etc).
But we miss quite a few fields we report now, for example, LBRs, data
source, weight, transaction, iregs, uregs, etc.
This patch reports these fields for perf script python processing.
New keys/items:
---------------
key : brstack
items: from, to, from_dsoname, to_dsoname, mispred,
predicted, in_tx, abort, cycles.
key : brstacksym
items: from, to, pred, in_tx, abort (converted string)
key : datasrc
key : datasrc_decode (decoded string)
key : iregs
key : uregs
key : weight
key : transaction
v2:
---
Add new fields for dso.
Use PyBool_FromLong() for mispred/predicted/in_tx/abort
Committer notes:
!sym->name isn't valid, as its not a pointer, its a [0] array, use
!sym->name[0] instead, guaranteed to be the case by symbol__new.
This was caught by just one of the containers:
52 54.22 ubuntu:17.04 : FAIL gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406
CC /tmp/build/perf/util/scripting-engines/trace-event-python.o
util/scripting-engines/trace-event-python.c:534:20: error: address of array 'sym->name' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
if (!sym || !sym->name)
~~~~~~^~~~
1 error generated.
mv: cannot stat '/tmp/build/perf/util/scripting-engines/.trace-event-python.o.tmp': No such file or directory
/git/linux/tools/build/Makefile.build:96: recipe for target '/tmp/build/perf/util/scripting-engines/trace-event-python.o' failed
make[5]: *** [/tmp/build/perf/util/scripting-engines/trace-event-python.o] Error 1
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1527843663-32288-3-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.