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Jin Yao 01ff15fcf4 perf report: Fix a no annotate browser displayed issue 
[ Upstream commit 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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-04-12 12:32:16 +02:00
arch ARM: dts: ls1021a: add "fsl,ls1021a-esdhc" compatible string to esdhc node 2018-04-12 12:32:11 +02:00
block blk-mq: fix race between updating nr_hw_queues and switching io sched 2018-04-12 12:32:15 +02:00
certs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crypto crypto: ahash - Fix early termination in hash walk 2018-04-08 14:26:31 +02:00
Documentation serial: 8250: Add Nuvoton NPCM UART 2018-04-08 14:26:30 +02:00
drivers tpm: return a TPM_RC_COMMAND_CODE response if command is not implemented 2018-04-12 12:32:16 +02:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs VFS: close race between getcwd() and d_move() 2018-04-12 12:32:13 +02:00
include clk: divider: fix incorrect usage of container_of 2018-04-12 12:32:13 +02:00
init kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK 2018-02-22 15:42:23 +01:00
ipc ipc/shm.c: add split function to shm_vm_ops 2018-04-08 14:26:27 +02:00
kernel perf/hwbp: Simplify the perf-hwbp code, fix documentation 2018-04-08 14:26:27 +02:00
lib rhashtable: Fix rhlist duplicates insertion 2018-03-31 18:10:40 +02:00
mm percpu: add __GFP_NORETRY semantics to the percpu balancing path 2018-04-08 14:26:29 +02:00
net mac80211: Fix setting TX power on monitor interfaces 2018-04-12 12:32:15 +02:00
samples samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp1 2017-12-20 10:10:31 +01:00
scripts kbuild: fix linker feature test macros when cross compiling with Clang 2018-03-24 11:01:29 +01:00
security /dev/mem: Add bounce buffer for copy-out 2018-03-24 11:01:24 +01:00
sound ASoC: Intel: cht_bsw_rt5645: Analog Mic support 2018-04-12 12:32:14 +02:00
tools
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: arm/arm64: vgic: Don't populate multiple LRs with the same vintid 2018-03-21 12:06:43 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING [PATCH] update FSF address in COPYING 2005-09-10 10:06:29 -07:00
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS dt-bindings: Document mti,mips-cpc binding 2018-03-15 10:54:35 +01:00
Makefile Linux 4.14.33 2018-04-08 14:26:34 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

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.