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Generate jitdump to support linux perf for LLVM JIT (#2788)

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This commit is contained in:
liang.he
2023-11-27 15:42:00 +08:00
committed by GitHub
parent d7608690c0
commit 8aa813f44a
14 changed files with 165 additions and 14 deletions
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6
product-mini/platforms/posix/main.c
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@ -58,6 +58,7 @@ print_help()
#if WASM_ENABLE_JIT != 0
printf(" --llvm-jit-size-level=n Set LLVM JIT size level, default is 3\n");
printf(" --llvm-jit-opt-level=n Set LLVM JIT optimization level, default is 3\n");
printf(" --perf-profile Enable linux perf support. For now, it only works in llvm-jit.\n");
#if defined(os_writegsbase)
printf(" --enable-segue[=<flags>] Enable using segment register GS as the base address of\n");
printf(" linear memory, which may improve performance, flags can be:\n");
@ -560,6 +561,7 @@ main(int argc, char *argv[])
uint32 llvm_jit_size_level = 3;
uint32 llvm_jit_opt_level = 3;
uint32 segue_flags = 0;
bool enable_linux_perf_support = false;
#endif
wasm_module_t wasm_module = NULL;
wasm_module_inst_t wasm_module_inst = NULL;
@ -700,6 +702,9 @@ main(int argc, char *argv[])
if (segue_flags == (uint32)-1)
return print_help();
}
else if (!strncmp(argv[0], "--perf-profile", 14)) {
enable_linux_perf_support = true;
}
#endif /* end of WASM_ENABLE_JIT != 0 */
#if BH_HAS_DLFCN
else if (!strncmp(argv[0], "--native-lib=", 13)) {
@ -814,6 +819,7 @@ main(int argc, char *argv[])
init_args.llvm_jit_size_level = llvm_jit_size_level;
init_args.llvm_jit_opt_level = llvm_jit_opt_level;
init_args.segue_flags = segue_flags;
init_args.linux_perf_support = enable_linux_perf_support;
#endif
#if WASM_ENABLE_DEBUG_INTERP != 0