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| /openbmc/linux/tools/perf/ |
| H A D | builtin-annotate.c | 6ab11f3a Mon Apr 10 15:14:29 CDT 2017 David Carrillo-Cisneros <davidcc@google.com> perf annotate: Process attr and build_id records
perf annotate did not get some love for pipe-mode, and did not have
.attr and .buil_id setup (while record and inject did. Fix that.
It can easily be reproduced by:
perf record -o - noploop | perf annotate
that in my system shows:
0xd8 [0x28]: failed to process type: 9
Committer Testing:
Before:
$ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
stress: info: [11060] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
0x4470 [0x28]: failed to process type: 9
$ stress: info: [11060] successful run completed in 2s
$
After:
$ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
stress: info: [11871] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
stress: info: [11871] successful run completed in 2s
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.000 MB - ]
no symbols found in /usr/bin/stress, maybe install a debug package?
Percent | Source code & Disassembly of libc-2.24.so for cycles:uhH (6117 samples)
---------------------------------------------------------------------------------------
:
: Disassembly of section .text:
:
: 000000000003b050 <random_r>:
: __random_r():
10.56 : 3b050: test %rdi,%rdi
0.00 : 3b053: je 3b0d0 <random_r+0x80>
0.34 : 3b055: test %rsi,%rsi
0.00 : 3b058: je 3b0d0 <random_r+0x80>
0.46 : 3b05a: mov 0x18(%rdi),%eax
12.44 : 3b05d: mov 0x10(%rdi),%r8
0.18 : 3b061: test %eax,%eax
0.00 : 3b063: je 3b0b0 <random_r+0x60>
<SNIP>
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-5-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
6ab11f3a Mon Apr 10 15:14:29 CDT 2017 David Carrillo-Cisneros <davidcc@google.com> perf annotate: Process attr and build_id records
perf annotate did not get some love for pipe-mode, and did not have
.attr and .buil_id setup (while record and inject did. Fix that.
It can easily be reproduced by:
perf record -o - noploop | perf annotate
that in my system shows:
0xd8 [0x28]: failed to process type: 9
Committer Testing:
Before:
$ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
stress: info: [11060] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
0x4470 [0x28]: failed to process type: 9
$ stress: info: [11060] successful run completed in 2s
$
After:
$ perf record -o - stress -t 2 -c 2 | perf annotate --stdio
stress: info: [11871] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
stress: info: [11871] successful run completed in 2s
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.000 MB - ]
no symbols found in /usr/bin/stress, maybe install a debug package?
Percent | Source code & Disassembly of libc-2.24.so for cycles:uhH (6117 samples)
---------------------------------------------------------------------------------------
:
: Disassembly of section .text:
:
: 000000000003b050 <random_r>:
: __random_r():
10.56 : 3b050: test %rdi,%rdi
0.00 : 3b053: je 3b0d0 <random_r+0x80>
0.34 : 3b055: test %rsi,%rsi
0.00 : 3b058: je 3b0d0 <random_r+0x80>
0.46 : 3b05a: mov 0x18(%rdi),%eax
12.44 : 3b05d: mov 0x10(%rdi),%r8
0.18 : 3b061: test %eax,%eax
0.00 : 3b063: je 3b0b0 <random_r+0x60>
<SNIP>
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170410201432.24807-5-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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