2010-04-20 00:58:32 -06:00
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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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2014-07-03 07:59:49 -06:00
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HAVE_KVM_STAT_SUPPORT := 1
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2015-09-06 01:13:35 -06:00
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PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
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2016-03-10 09:41:13 -07:00
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PERF_HAVE_JITDUMP := 1
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perf tools: Build syscall table .c header from kernel's syscall_64.tbl
We used libaudit to map ids to syscall names and vice-versa, but that
imposes a delay in supporting new syscalls, having to wait for libaudit
to get those new syscalls on its tables.
To remove that delay, for x86_64 initially, grab a copy of
arch/x86/entry/syscalls/syscall_64.tbl and use it to generate those
tables.
Syscalls currently not available in audit-libs:
# trace -e copy_file_range,membarrier,mlock2,pread64,pwrite64,timerfd_create,userfaultfd
Error: Invalid syscall copy_file_range, membarrier, mlock2, pread64, pwrite64, timerfd_create, userfaultfd
Hint: try 'perf list syscalls:sys_enter_*'
Hint: and: 'man syscalls'
#
With this patch:
# trace -e copy_file_range,membarrier,mlock2,pread64,pwrite64,timerfd_create,userfaultfd
8505.733 ( 0.010 ms): gnome-shell/2519 timerfd_create(flags: 524288) = 36
8506.688 ( 0.005 ms): gnome-shell/2519 timerfd_create(flags: 524288) = 40
30023.097 ( 0.025 ms): qemu-system-x8/24629 pwrite64(fd: 18, buf: 0x7f63ae382000, count: 4096, pos: 529592320) = 4096
31268.712 ( 0.028 ms): qemu-system-x8/24629 pwrite64(fd: 18, buf: 0x7f63afd8b000, count: 4096, pos: 2314133504) = 4096
31268.854 ( 0.016 ms): qemu-system-x8/24629 pwrite64(fd: 18, buf: 0x7f63afda2000, count: 4096, pos: 2314137600) = 4096
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-51xfjbxevdsucmnbc4ka5r88@git.kernel.org
[ Added make dep for 'prepare' in 'LIBPERF_IN', fix by Wang Nan to fix parallell build ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-04-04 16:05:36 -06:00
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###
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# Syscall table generation
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#
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out := $(OUTPUT)arch/x86/include/generated/asm
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header := $(out)/syscalls_64.c
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sys := $(srctree)/tools/perf/arch/x86/entry/syscalls
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systbl := $(sys)/syscalltbl.sh
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# Create output directory if not already present
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_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
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$(header): $(sys)/syscall_64.tbl $(systbl)
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@(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
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(diff -B arch/x86/entry/syscalls/syscall_64.tbl ../../arch/x86/entry/syscalls/syscall_64.tbl >/dev/null) \
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|| echo "Warning: x86_64's syscall_64.tbl differs from kernel" >&2 )) || true
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$(Q)$(SHELL) '$(systbl)' $(sys)/syscall_64.tbl 'x86_64' > $@
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clean::
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rm -f $(header)
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archheaders: $(header)
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