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492ac37fa3
Add support for 'perf kvm stat' on loongarch64 platform, now only kvm
exit event is supported.
Here is example output about "perf kvm --host stat report" command
Event name Samples Sample% Time (ns) Time% Mean Time (ns)
Mem Store 83969 51.00% 625697070 8.00% 7451
Mem Read 37641 22.00% 112485730 1.00% 2988
Interrupt 15542 9.00% 20620190 0.00% 1326
IOCSR 15207 9.00% 94296190 1.00% 6200
Hypercall 4873 2.00% 12265280 0.00% 2516
Idle 3713 2.00% 6322055860 87.00% 1702681
FPU 1819 1.00% 2750300 0.00% 1511
Inst Fetch 502 0.00% 1341740 0.00% 2672
Mem Modify 324 0.00% 602240 0.00% 1858
CPUCFG 55 0.00% 77610 0.00% 1411
CSR 12 0.00% 19690 0.00% 1640
LASX 3 0.00% 4870 0.00% 1623
LSX 2 0.00% 2100 0.00% 1050
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
30 lines
779 B
Makefile
30 lines
779 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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ifndef NO_DWARF
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PERF_HAVE_DWARF_REGS := 1
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endif
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PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
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PERF_HAVE_JITDUMP := 1
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HAVE_KVM_STAT_SUPPORT := 1
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#
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# Syscall table generation for perf
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#
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out := $(OUTPUT)arch/loongarch/include/generated/asm
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header := $(out)/syscalls.c
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incpath := $(srctree)/tools
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sysdef := $(srctree)/tools/arch/loongarch/include/uapi/asm/unistd.h
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sysprf := $(srctree)/tools/perf/arch/loongarch/entry/syscalls/
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systbl := $(sysprf)/mksyscalltbl
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# Create output directory if not already present
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$(shell [ -d '$(out)' ] || mkdir -p '$(out)')
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$(header): $(sysdef) $(systbl)
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$(Q)$(SHELL) '$(systbl)' '$(CC)' '$(HOSTCC)' $(incpath) $(sysdef) > $@
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clean::
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$(call QUIET_CLEAN, loongarch) $(RM) $(header)
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archheaders: $(header)
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