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Tiny binary.
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3
extra/systrace/build
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3
extra/systrace/build
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@ -0,0 +1,3 @@
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clang tracy_systrace.c -s -Os -ffunction-sections -fdata-sections -Wl,--gc-sections -fno-stack-protector -Wl,-z,norelro -Wl,--build-id=none -nostdlib -lc
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strip --strip-all -R .note.gnu.gold-version -R .comment -R .note -R .note.gnu.build-id -R .note.ABI-tag -R .eh_frame -R .eh_frame_hdr -R .gnu.hash -R .gnu.version -R .got a.out
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sstrip -z a.out (elfkickers)
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@ -3,17 +3,18 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <time.h>
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#include <time.h>
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#include <unistd.h>
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#include <unistd.h>
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enum { BufSize = 64*1024 };
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enum { BufSize = 64*1024 };
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int main()
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void _start()
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{
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{
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char buf[BufSize];
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char buf[BufSize];
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int kernelFd = open( "/sys/kernel/debug/tracing/trace_pipe", O_RDONLY );
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int kernelFd = open( "/sys/kernel/debug/tracing/trace_pipe", O_RDONLY );
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if( kernelFd == -1 ) return -1;
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if( kernelFd < 0 ) exit( 0 );
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struct pollfd pfd;
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struct pollfd pfd;
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pfd.fd = kernelFd;
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pfd.fd = kernelFd;
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@ -31,6 +32,5 @@ int main()
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write( STDOUT_FILENO, buf, rd );
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write( STDOUT_FILENO, buf, rd );
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}
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}
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close( kernelFd );
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exit( 0 );
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return 0;
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}
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}
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