From: Waldemar Kozaczuk <[email protected]> Committer: Waldemar Kozaczuk <[email protected]> Branch: master
perf: generate $(out)/osv.kallsyms from osv.syms One can easily run perf top/record/report against running OSv: ``` perf kvm --guest --guestkallsyms=build/last/osv.kallsyms top -e "cycles:ppp" -p $(pgrep qemu-system) perf kvm --guest --guestkallsyms=build/last/osv.kallsyms record -e "cycles:ppp" -p $(pgrep qemu-system) -v perf kvm --guest --guestkallsyms=build/last/osv.kallsyms report --stdio ``` Signed-off-by: Waldemar Kozaczuk <[email protected]> --- diff --git a/Makefile b/Makefile --- a/Makefile +++ b/Makefile @@ -2139,6 +2139,9 @@ $(out)/loader.elf: $(stage1_targets) arch/$(arch)/loader.ld $(out)/bootfs.o $(ou @# rule because that caused bug #545. @readelf --dyn-syms --wide $(out)/loader.elf > $(out)/osv.syms @scripts/libosv.py $(out)/osv.syms $(out)/libosv.ld `scripts/osv-version.sh` | $(CC) -c -o $(out)/osv.o -x assembler - + @echo '0000000000000000 T _text' > $(out)/osv.kallsyms + @echo '0000000000000000 T _stext' >> $(out)/osv.kallsyms + @grep ': 0000' $(out)/osv.syms | grep -v 'NOTYPE' | awk '{ print $$2 " T " $$8 }' | c++filt >> $(out)/osv.kallsyms $(call quiet, $(CC) $(out)/osv.o -nostdlib -shared -o $(out)/libosv.so -T $(out)/libosv.ld, LIBOSV.SO) $(out)/zfs_builder.elf: $(stage1_targets) arch/$(arch)/loader.ld $(out)/zfs_builder_bootfs.o $(out)/libvdso-content.o $(loader_options_dep) $(version_script_file) -- You received this message because you are subscribed to the Google Groups "OSv Development" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/osv-dev/000000000000f0c05e060bf28a7d%40google.com.
