perf, tools, script: Support total cycles count
For perf script brstackinsn also print a running cycles count.
This makes it easier to calculate cycle deltas for code sections
measured with LBRs.
% perf record -b -a sleep 1
% perf script -F +brstackinsn
...
_dl_sysdep_start+330:
00007eff9f20583a insn: 75 c4 # PRED 24 cycles [24]
00007eff9f205800 insn: 48 83 e8 03
00007eff9f205804 insn: 48 83 f8 1e
00007eff9f205808 insn: 77 26
00007eff9f20580a insn: 48 63 04 81
00007eff9f20580e insn: 48 01 c8
00007eff9f205811 insn: ff e0 # MISPRED 31 cycles [7] 0.71 IPC
00007eff9f2059c0 insn: 44 8b 62 08
00007eff9f2059c4 insn: e9 67 fe ff ff # PRED 55 cycles [24] 0.04 IPC
00007eff9f205830 insn: 48 83 c2 10
00007eff9f205834 insn: 48 8b 02
00007eff9f205837 insn: 48 85 c0
00007eff9f20583a insn: 75 c4 # PRED 68 cycles [13] 0.23 IPC
Signed-off-by: Andi Kleen <ak@linux.intel.com>
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v2: reflow line
1 file changed
