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linux-yocto/tools/perf/arch/loongarch/Makefile
Bibo Mao 492ac37fa3 perf kvm: Add kvm-stat for loongarch64 
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>
2024-07-10 16:50:27 +08:00

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SPDX-License-Identifier: GPL-2.0

ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1 PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1

Syscall table generation for perf

out := $(OUTPUT)arch/loongarch/include/generated/asm header := $(out)/syscalls.c incpath := $(srctree)/tools sysdef := $(srctree)/tools/arch/loongarch/include/uapi/asm/unistd.h sysprf := $(srctree)/tools/perf/arch/loongarch/entry/syscalls/ systbl := $(sysprf)/mksyscalltbl

Create output directory if not already present

$(shell [ -d '$(out)' ] || mkdir -p '$(out)')

$(header): $(sysdef) $(systbl) $(Q)$(SHELL) '$(systbl)' '$(CC)' '$(HOSTCC)' $(incpath) $(sysdef) > $@

clean:: $(call QUIET_CLEAN, loongarch) $(RM) $(header)

archheaders: $(header)