# git rev-parse -q --verify 5eab62c15c387fa3caa03039bd027dc9aab9f637^{commit} 5eab62c15c387fa3caa03039bd027dc9aab9f637 already have revision, skipping fetch # git checkout -q -f -B kisskb 5eab62c15c387fa3caa03039bd027dc9aab9f637 # git clean -qxdf # < git log -1 # commit 5eab62c15c387fa3caa03039bd027dc9aab9f637 # Author: Kajol Jain # Date: Mon Dec 6 14:47:49 2021 +0530 # # powerpc/perf: Add data source encodings for power10 platform # # The code represent memory/cache level data based on PERF_MEM_LVL_* # namespace, which is in the process of deprication in the favour of # newer composite PERF_MEM_{LVLNUM_,REMOTE_,SNOOPX_,HOPS_} fields. # Add data source encodings to represent cache/memory data based on # newer composite PERF_MEM_{LVLNUM_,REMOTE_,SNOOPX_,HOPS_} fields. # # Add data source encodings to represent data coming from local # memory/Remote memory/distant memory and remote/distant cache hits. # # In order to represent data coming from OpenCAPI cache/memory, we use # LVLNUM "PMEM" field which is used to present persistent memory accesses. # # Result in power10 system with patch changes: # # localhost:# ./perf mem report --sort="mem,sym,dso" --stdio # # Overhead Samples Memory access Symbol Shared Object # # ........ ............ ........................ .......................... ................ # # # 29.46% 2331 L1 or L1 hit [.] __random libc-2.28.so # 23.11% 2121 L1 or L1 hit [.] producer_populate_cache producer_consumer # 18.56% 1758 L1 or L1 hit [.] __random_r libc-2.28.so # 15.64% 1559 L2 or L2 hit [.] __random libc-2.28.so # ..... # 0.09% 5 Remote socket, same board Any cache hit [.] __random libc-2.28.so # 0.07% 4 Remote socket, same board Any cache hit [.] __random libc-2.28.so # ..... # # Signed-off-by: Kajol Jain # Reviewed-by: Madhavan Srinivasan # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20211206091749.87585-5-kjain@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 5eab62c15c387fa3caa03039bd027dc9aab9f637 # < make -s -j 32 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 32 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 32 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 32 ARCH=x86 O=/kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- vmlinux.o: warning: objtool: __do_fast_syscall_32()+0xa: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_syscall_64()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_get_debugreg()+0xb: call to HYPERVISOR_get_debugreg() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_set_debugreg()+0x15: call to HYPERVISOR_set_debugreg.isra.0() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_general_protection()+0x22: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: fixup_bad_iret()+0x20: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_setup()+0x18: call to memset() leaves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x27: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x10e6: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x143: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x17d9: call to stackleak_erase() leaves .noinstr.text section Completed OK # rm -rf /kisskb/build/powerpc-next_x86-allmodconfig_x86_64-gcc11 # Build took: 0:20:07.563218