From 335f70faa26330304eee235d743881162ddf667e Mon Sep 17 00:00:00 2001 From: Eric Lin Date: Wed, 6 Apr 2022 22:26:06 +0800 Subject: perf jitdump: Add riscv64 support This patch enables perf jitdump for riscv64 and was 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 [.] _ZN2v88internal6WasmJs7InstallEPNS0_7IsolateEb 0.28% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88internal10ParserBaseINS0_6ParserEE22ParseLogicalExpressionEv 0.28% 0.03% d8_rv64 jitted-112-76.so [.] Builtin:InterpreterEntryTrampoline 0.12% 0.00% d8_rv64 d8_rv64 [.] _ZN2v88internal19ContextDeserializer11DeserializeEPNS0_7IsolateENS0_6HandleINS0_13JSGlobalProxyEEENS_33DeserializeInternalFieldsCallbackE 0.12% 0.01% d8_rv64 jitted-112-651.so [.] Builtin:CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit .... Signed-off-by: Eric Lin Cc: Albert Ou Cc: Alexander Shishkin Cc: Ilya Leoshkevich Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: greentime.hu@sifive.com Cc: linux-riscv@lists.infradead.org Link: http://lore.kernel.org/lkml/20220406142606.18464-2-eric.lin@sifive.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/riscv/Makefile | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/perf/arch') 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 -- cgit v1.2.3