Profile compile and link performance

[waruqi]

Profile compile and link

$ XMAKE_PROFILE=perf:tag xmake -r
[ 95%]: compiling.release src/demo/math/fixed.c
[ 95%]: compiling.release src/demo/libm/float.c
[ 96%]: compiling.release src/demo/libm/double.c
[ 96%]: compiling.release src/demo/other/test.cpp
[ 98%]: archiving.release libtbox.a
[ 99%]: linking.release demo
[100%]: build ok, spent 10.64s
 0.546,       1, clang: compile src/tbox/platform/fwatcher.c
 0.400,       1, clang: compile src/tbox/libc/stdio/vswprintf.c
 0.374,       1, clang: compile src/tbox/libc/stdio/vsnprintf.c
 0.347,       1, clang: compile src/tbox/platform/poller.c
 0.337,       1, clang: compile src/tbox/stream/stream.c
 0.312,       1, clang: compile src/demo/utils/bits.c
 0.264,       1, clang: compile src/tbox/stream/static_stream.c
 0.253,       1, clang: compile src/tbox/platform/thread_pool.c
 0.231,       1, clang: compile src/tbox/platform/socket.c
 0.178,       1, clang: compile src/tbox/network/cookies.c
 0.177,       1, clang: compile src/tbox/network/http.c
 0.169,       1, clang: compile src/tbox/platform/timer.c
 0.163,       1, clang: compile src/tbox/platform/file.c

Profile find_program, has_flags, find_file ...

 0.020,       1, find_program: zig
 0.020,       2, find_program: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefaul
t.xctoolchain/usr/bin/clang
 0.019,       1, has_flags: clang: -fPIC
 0.012,       1, clang: compile: /var/folders/32/w9cz0y_14hs19lkbs6v6_fm80000gn/T/.xmake501/2303
17/_2EB2C5E08EF94E7EBD1C7CF990F2A1F0.cpp
 0.006,       1, find_program: git
 0.004,       1, has_flags: clang: -fdiagnostics-color=always
 0.003,       1, find_programver: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDef
ault.xctoolchain/usr/bin/clang

Add custom profile point in custom rules

import("core.base.profiler")

profiler.enter("tag name", "arg1", "arg2")
-- TODO
profiler.leave("tag name", "arg1", "arg2")

time (s).  count
 0.163,       1, tag name: arg1 arg2