Mao Han aa23aa5516 perf annotate: Add csky support
This patch add basic arch initialization and instruction associate
support for the csky CPU architecture.

E.g.:

  $ perf annotate --stdio2
  Samples: 161  of event 'cpu-clock:pppH', 4000 Hz, Event count (approx.):
  40250000, [percent: local period]
  test_4() /usr/lib/perf-test/callchain_test
  Percent

              Disassembly of section .text:

              00008420 <test_4>:
            test_4():
                subi  sp, sp, 4
                st.w  r8, (sp, 0x0)
                mov   r8, sp
                subi  sp, sp, 8
                subi  r3, r8, 4
                movi  r2, 0
                st.w  r2, (r3, 0x0)
              ↓ br    2e
  100.00  14:   subi  r3, r8, 4
                ld.w  r2, (r3, 0x0)
                subi  r3, r8, 8
                st.w  r2, (r3, 0x0)
                subi  r3, r8, 4
                ld.w  r3, (r3, 0x0)
                addi  r2, r3, 1
                subi  r3, r8, 4
                st.w  r2, (r3, 0x0)
          2e:   subi  r3, r8, 4
                ld.w  r2, (r3, 0x0)
                lrw   r3, 0x98967f    // 8598 <main+0x28>
                cmplt r3, r2
              ↑ bf    14
                mov   r0, r0
                mov   r0, r0
                mov   sp, r8
                ld.w  r8, (sp, 0x0)
                addi  sp, sp, 4
              ← rts

Signed-off-by: Mao Han <han_mao@c-sky.com>
Acked-by: Guo Ren <guoren@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-csky@vger.kernel.org
Link: http://lkml.kernel.org/r/d874d7782d9acdad5d98f2f5c4a6fb26fbe41c5d.1561531557.git.han_mao@c-sky.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-01 22:50:41 -03:00
..
2019-07-01 22:50:41 -03:00
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