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| author | Changbin Du <changbin.du@huawei.com> | 2024-02-17 08:40:45 +0100 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-02-21 03:07:21 +0100 |
| commit | 6750ba4b6442fa5ea4bf5c0e4b4ff8b0249ef71d (patch) | |
| tree | da6bd03be26fc49a0b6290a0d8f2718d9b3975a1 /tools/perf/Documentation/perf-script.txt | |
| parent | perf: script: add field 'disasm' to display mnemonic instructions (diff) | |
| download | linux-6750ba4b6442fa5ea4bf5c0e4b4ff8b0249ef71d.tar.xz linux-6750ba4b6442fa5ea4bf5c0e4b4ff8b0249ef71d.zip | |
perf: script: add raw|disasm arguments to --insn-trace option
Now '--insn-trace' accept a argument to specify the output format:
- raw: display raw instructions.
- disasm: display mnemonic instructions (if capstone is installed).
$ sudo perf script --insn-trace=raw
ls 1443864 [006] 2275506.209908875: 7f216b426100 _start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: 48 89 e7
ls 1443864 [006] 2275506.209908875: 7f216b426103 _start+0x3 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: e8 e8 0c 00 00
ls 1443864 [006] 2275506.209908875: 7f216b426df0 _dl_start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: f3 0f 1e fa
$ sudo perf script --insn-trace=disasm
ls 1443864 [006] 2275506.209908875: 7f216b426100 _start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) movq %rsp, %rdi
ls 1443864 [006] 2275506.209908875: 7f216b426103 _start+0x3 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) callq _dl_start+0x0
ls 1443864 [006] 2275506.209908875: 7f216b426df0 _dl_start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) illegal instruction
ls 1443864 [006] 2275506.209908875: 7f216b426df4 _dl_start+0x4 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) pushq %rbp
ls 1443864 [006] 2275506.209908875: 7f216b426df5 _dl_start+0x5 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) movq %rsp, %rbp
ls 1443864 [006] 2275506.209908875: 7f216b426df8 _dl_start+0x8 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) pushq %r15
Signed-off-by: Changbin Du <changbin.du@huawei.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: changbin.du@gmail.com
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240217074046.4100789-5-changbin.du@huawei.com
Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 578fa59f51a5..005e51df855e 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -442,9 +442,10 @@ include::itrace.txt[] will be printed. Each entry has function name and file/line. Enabled by default, disable with --no-inline. ---insn-trace:: - Show instruction stream for intel_pt traces. Combine with --xed to - show disassembly. +--insn-trace[=<raw|disasm>]:: + Show instruction stream in bytes (raw) or disassembled (disasm) + for intel_pt traces. The default is 'raw'. To use xed, combine + 'raw' with --xed to show disassembly done by xed. --xed:: Run xed disassembler on output. Requires installing the xed disassembler. |