57 lines
1.3 KiB
ReStructuredText
57 lines
1.3 KiB
ReStructuredText
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llvm-profgen - LLVM SPGO profile generation tool
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================================================
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.. program:: llvm-profgen
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SYNOPSIS
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--------
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:program:`llvm-profgen` [*commands*] [*options*]
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DESCRIPTION
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-----------
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The :program:`llvm-profgen` utility generates a profile data file
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from given perf script data files for sample-based profile guided
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optimization(SPGO).
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COMMANDS
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--------
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At least one of the following commands are required:
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.. option:: --perfscript=<string[,string,...]>
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Path of perf-script trace created by Linux perf tool with `script`
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command(the raw perf.data should be profiled with -b).
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.. option:: --binary=<string[,string,...]>
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Path of the input profiled binary files.
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.. option:: --output=<string>
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Path of the output profile file.
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OPTIONS
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-------
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:program:`llvm-profgen` supports the following options:
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.. option:: --format=[text|binary|extbinary|compbinary|gcc]
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Specify the format of the generated profile. Supported <format> are `text`,
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`binary`, `extbinary`, `compbinary`, `gcc`, see `llvm-profdata` for more
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descriptions of the format.
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.. option:: --show-mmap-events
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Print mmap events.
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.. option:: --show-disassembly
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Print disassembled code.
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.. option:: --x86-asm-syntax=[att|intel]
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Specify whether to print assembly code in AT&T syntax (the default) or Intel
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syntax.
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