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Date: Tue, 6 Feb 2024 13:49:45 +0200 From: Adrian Hunter <adrian.hunter@...el.com> To: Changbin Du <changbin.du@...wei.com>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Ian Rogers <irogers@...gle.com>, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>, Thomas Richter <tmricht@...ux.ibm.com>, changbin.du@...il.com Subject: Re: [PATCH v7 0/5] perf: script: Intro capstone disasm engine to show instruction trace On 6/02/24 13:29, Changbin Du wrote: > This series introduces capstone disassembler engine to print instructions of > Intel PT trace, which was printed via the XED tool. > > The advantages compared to XED tool: > * Support arm, arm64, x86-32, x86_64, s390 (more could be supported), > xed only for x86_64. > * More friendly to read. Immediate address operands are shown as symbol+offs. > > Display raw instructions: > $ sudo perf record --event intel_pt//u -- ls > $ sudo perf script --insn-trace > perf 17423 [000] 423271.557970005: 7f2d95f16217 __GI___ioctl+0x7 (/lib/x86_64-linux-gnu/libc-2.27.so) insn: 48 3d 01 f0 ff ff > perf 17423 [000] 423271.557970005: 7f2d95f1621d __GI___ioctl+0xd (/lib/x86_64-linux-gnu/libc-2.27.so) insn: 73 01 > perf 17423 [000] 423271.557970338: 7f2d95f1621f __GI___ioctl+0xf (/lib/x86_64-linux-gnu/libc-2.27.so) insn: c3 > perf 17423 [000] 423271.557970338: 5593ad3346d7 perf_evsel__enable_cpu+0x97 (/work/linux/tools/perf/perf) insn: 85 c0 > perf 17423 [000] 423271.557970338: 5593ad3346d9 perf_evsel__enable_cpu+0x99 (/work/linux/tools/perf/perf) insn: 75 12 > perf 17423 [000] 423271.557970338: 5593ad3346db perf_evsel__enable_cpu+0x9b (/work/linux/tools/perf/perf) insn: 49 8b 84 24 a8 00 00 00 > perf 17423 [000] 423271.557970338: 5593ad3346e3 perf_evsel__enable_cpu+0xa3 (/work/linux/tools/perf/perf) insn: 48 8b 50 20 > > Display mnemonic instructions: > $ sudo perf script --insn-trace=disasm > perf 17423 [000] 423271.557970005: 7f2d95f16217 __GI___ioctl+0x7 (/lib/x86_64-linux-gnu/libc-2.27.so) cmpq $-0xfff, %rax > perf 17423 [000] 423271.557970005: 7f2d95f1621d __GI___ioctl+0xd (/lib/x86_64-linux-gnu/libc-2.27.so) jae __GI___ioctl+0x10 > perf 17423 [000] 423271.557970338: 7f2d95f1621f __GI___ioctl+0xf (/lib/x86_64-linux-gnu/libc-2.27.so) retq > perf 17423 [000] 423271.557970338: 5593ad3346d7 perf_evsel__enable_cpu+0x97 (/work/linux/tools/perf/perf) testl %eax, %eax > perf 17423 [000] 423271.557970338: 5593ad3346d9 perf_evsel__enable_cpu+0x99 (/work/linux/tools/perf/perf) jne perf_evsel__enable_cpu+0xad > perf 17423 [000] 423271.557970338: 5593ad3346db perf_evsel__enable_cpu+0x9b (/work/linux/tools/perf/perf) movq 0xa8(%r12), %rax > perf 17423 [000] 423271.557970338: 5593ad3346e3 perf_evsel__enable_cpu+0xa3 (/work/linux/tools/perf/perf) movq 0x20(%rax), %rdx > perf 17423 [000] 423271.557970338: 5593ad3346e7 perf_evsel__enable_cpu+0xa7 (/work/linux/tools/perf/perf) cmpl %edx, %ebx > perf 17423 [000] 423271.557970338: 5593ad3346e9 perf_evsel__enable_cpu+0xa9 (/work/linux/tools/perf/perf) jl perf_evsel__enable_cpu+0x60 > perf 17423 [000] 423271.557970338: 5593ad3346eb perf_evsel__enable_cpu+0xab (/work/linux/tools/perf/perf) xorl %eax, %eax > > v7: > - remove redundant space for raw instruction. > - rename sample__fprintf_insn() as sample__fprintf_insn_asm() and make it empty if libcapstone is not available. > v6: > - make '-F +disasm' fatal if libcapstone is not supported. (Adrian Hunter) > - display with perf version --build-options. (Adrian Hunter) > - exclude libcapstone from make_minimal. (Adrian Hunter) > v5: > - fixes and improments suggested by Adrian Hunter > v4: > - rename 'insn_disam' to 'disasm' (Adrian Hunter) > v3: > - fix s390 detection. (Thomas Richter) > v2: > - add a new field 'insn_disam' instead of changing the default output. > - preserve the old --xed option. > > Changbin Du (5): > perf: build: introduce the libcapstone > perf: util: use capstone disasm engine to show assembly instructions > perf: script: add field 'disasm' to display mnemonic instructions > perf: script: add raw|disasm arguments to --insn-trace option > perf: script: prefer capstone to XED > > tools/build/Makefile.feature | 2 + > tools/build/feature/Makefile | 4 + > tools/build/feature/test-all.c | 4 + > tools/build/feature/test-libcapstone.c | 11 ++ > tools/perf/Documentation/perf-intel-pt.txt | 14 ++- > tools/perf/Documentation/perf-script.txt | 20 +-- > tools/perf/Makefile.config | 21 ++++ > tools/perf/Makefile.perf | 3 + > tools/perf/builtin-script.c | 45 +++++-- > tools/perf/builtin-version.c | 1 + > tools/perf/tests/make | 4 +- > tools/perf/ui/browsers/res_sample.c | 2 +- > tools/perf/ui/browsers/scripts.c | 2 +- > tools/perf/util/Build | 1 + > tools/perf/util/print_insn.c | 135 +++++++++++++++++++++ > tools/perf/util/print_insn.h | 16 +++ > 16 files changed, 258 insertions(+), 27 deletions(-) > create mode 100644 tools/build/feature/test-libcapstone.c > create mode 100644 tools/perf/util/print_insn.c > create mode 100644 tools/perf/util/print_insn.h > For whole patch set: Reviewed-by: Adrian Hunter <adrian.hunter@...el.com>
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