Messages in this thread | | | Date | Mon, 25 Feb 2019 13:56:00 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 02/11] perf tools script: Support insn output for normal samples |
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On Sun, Feb 24, 2019 at 07:37:13AM -0800, Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > perf script -F +insn was only working for PT traces because > the PT instruction decoder was filling in the insn/insn_len > sample attributes. Support it for non PT samples too on x86 > using the existing x86 instruction decoder. > > % perf record -a sleep 1 > % perf script -F ip,sym,insn --xed > ffffffff811704c9 remote_function movl %eax, 0x18(%rbx) > ffffffff8100bb50 intel_bts_enable_local retq > ffffffff81048612 native_apic_mem_write movl %esi, -0xa04000(%rdi) > ffffffff81048612 native_apic_mem_write movl %esi, -0xa04000(%rdi) > ffffffff81048612 native_apic_mem_write movl %esi, -0xa04000(%rdi) > ffffffff810f1f79 generic_exec_single xor %eax, %eax > ffffffff811704c9 remote_function movl %eax, 0x18(%rbx) > ffffffff8100bb34 intel_bts_enable_local movl 0x2000(%rax), %edx > ffffffff81048610 native_apic_mem_write mov %edi, %edi
also for samples with empty instruction, where I guess we fail for some reason to retrieve it, we will show default (0?) mnemonic
[jolsa@krava perf]$ ./perf script -F insn insn: insn: insn: insn: insn: insn: insn: insn: 76 ea insn: insn: 0f a2 insn: 29 c8 insn: 8b 04 90 insn: 0f a2
[jolsa@krava perf]$ ./perf script -F insn --xed addb %al, (%rax) addb %al, (%rax) addb %al, (%rax) addb %al, (%rax) addb %al, (%rax) addb %al, (%rax) addb %al, (%rax) jbe 0xffffffffffffffec addb %al, (%rax) cpuid sub %ecx, %eax movl (%rax,%rdx,4), %eax cpuid
jirka
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