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Mainline Linux tree for various devices, only for fun :)
40c39e3046
When enabling '-b' option in perf record, for example,
perf record -b ...
perf report
and then browsing the annotate browser from perf report (press 'A'), it
would fail (annotate browser can't be displayed).
It's because the '.add_entry_cb' op of struct report is overwritten by
hist_iter__branch_callback() in builtin-report.c. But this function doesn't do
something like mapping symbols and sources. So next, do_annotate() will return
directly.
notes = symbol__annotation(act->ms.sym);
if (!notes->src)
return 0;
This patch adds the lost code to hist_iter__branch_callback (refer to
hist_iter__report_callback).
v2:
Fix a crash bug when perform 'perf report --stdio'.
The reason is that we init the symbol annotation only in browser mode, it
doesn't allocate/init resources for stdio mode.
So now in hist_iter__branch_callback(), it will return directly if it's not in
browser mode.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1514284963-18587-1-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.