| Message ID | 20220411105438.21366-2-eric.lin@sifive.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | perf jitdump: Add riscv64 support | expand |
Em Mon, Apr 11, 2022 at 06:54:38PM +0800, Eric Lin escreveu: > This patch enable perf jitdump for riscv64 and it tested with V8 on qemu rv64. > > Qemu rv64: > $ perf record -e cpu-clock -c 1000 -g -k mono ./d8_rv64 --perf-prof --no-write-protect-code-memory test.js > $ perf inject -j -i perf.data -o perf.data.jitted > $ perf report -i perf.data.jitted Thanks, applied. - Arnaldo > Output: > To display the perf.data header info, please use --header/--header-only options. > > Total Lost Samples: 0 > > Samples: 87K of event 'cpu-clock' > Event count (approx.): 87974000 > > Children Self Command Shared Object Symbol > > .... > 0.28% 0.06% d8_rv64 d8_rv64 [.] _ZN2v88i > nternal6WasmJs7InstallEPNS0_7IsolateEb > 0.28% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88i > nternal10ParserBaseINS0_6ParserEE22ParseLogicalExpressionEv > 0.28% 0.03% d8_rv64 jitted-112-76.so [.] Builtin: > InterpreterEntryTrampoline > 0.12% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88i > nternal19ContextDeserializer11DeserializeEPNS0_7IsolateENS0_6HandleINS0_13JSGlob > alProxyEEENS_33DeserializeInternalFieldsCallbackE > 0.12% 0.01% d8_rv64 jitted-112-651.so [.] Builtin: > CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit > .... > > Signed-off-by: Eric Lin <eric.lin@sifive.com> > --- > tools/perf/arch/riscv/Makefile | 1 + > tools/perf/util/genelf.h | 3 +++ > 2 files changed, 4 insertions(+) > > diff --git a/tools/perf/arch/riscv/Makefile b/tools/perf/arch/riscv/Makefile > index 1aa9dd772489..a8d25d005207 100644 > --- a/tools/perf/arch/riscv/Makefile > +++ b/tools/perf/arch/riscv/Makefile > @@ -2,3 +2,4 @@ ifndef NO_DWARF > PERF_HAVE_DWARF_REGS := 1 > endif > PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1 > +PERF_HAVE_JITDUMP := 1 > diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h > index 3db3293213a9..ae138afe6c56 100644 > --- a/tools/perf/util/genelf.h > +++ b/tools/perf/util/genelf.h > @@ -38,6 +38,9 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent > #elif defined(__s390x__) > #define GEN_ELF_ARCH EM_S390 > #define GEN_ELF_CLASS ELFCLASS64 > +#elif defined(__riscv) && __riscv_xlen == 64 > +#define GEN_ELF_ARCH EM_RISCV > +#define GEN_ELF_CLASS ELFCLASS64 > #else > #error "unsupported architecture" > #endif > -- > 2.35.1
diff --git a/tools/perf/arch/riscv/Makefile b/tools/perf/arch/riscv/Makefile index 1aa9dd772489..a8d25d005207 100644 --- a/tools/perf/arch/riscv/Makefile +++ b/tools/perf/arch/riscv/Makefile @@ -2,3 +2,4 @@ ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1 +PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h index 3db3293213a9..ae138afe6c56 100644 --- a/tools/perf/util/genelf.h +++ b/tools/perf/util/genelf.h @@ -38,6 +38,9 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent #elif defined(__s390x__) #define GEN_ELF_ARCH EM_S390 #define GEN_ELF_CLASS ELFCLASS64 +#elif defined(__riscv) && __riscv_xlen == 64 +#define GEN_ELF_ARCH EM_RISCV +#define GEN_ELF_CLASS ELFCLASS64 #else #error "unsupported architecture" #endif
This patch enable perf jitdump for riscv64 and it tested with V8 on qemu rv64. Qemu rv64: $ perf record -e cpu-clock -c 1000 -g -k mono ./d8_rv64 --perf-prof --no-write-protect-code-memory test.js $ perf inject -j -i perf.data -o perf.data.jitted $ perf report -i perf.data.jitted Output: To display the perf.data header info, please use --header/--header-only options. Total Lost Samples: 0 Samples: 87K of event 'cpu-clock' Event count (approx.): 87974000 Children Self Command Shared Object Symbol .... 0.28% 0.06% d8_rv64 d8_rv64 [.] _ZN2v88i nternal6WasmJs7InstallEPNS0_7IsolateEb 0.28% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88i nternal10ParserBaseINS0_6ParserEE22ParseLogicalExpressionEv 0.28% 0.03% d8_rv64 jitted-112-76.so [.] Builtin: InterpreterEntryTrampoline 0.12% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88i nternal19ContextDeserializer11DeserializeEPNS0_7IsolateENS0_6HandleINS0_13JSGlob alProxyEEENS_33DeserializeInternalFieldsCallbackE 0.12% 0.01% d8_rv64 jitted-112-651.so [.] Builtin: CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit .... Signed-off-by: Eric Lin <eric.lin@sifive.com> --- tools/perf/arch/riscv/Makefile | 1 + tools/perf/util/genelf.h | 3 +++ 2 files changed, 4 insertions(+)