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Syscalls for a simple C program
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| #include <stdio.h> | |
| int main() { | |
| int x = 1; | |
| printf("value of x is %d\n", x); | |
| return 0; | |
| } |
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| value of x is 1 | |
| % time seconds usecs/call calls errors syscall | |
| ------ ----------- ----------- --------- --------- ---------------- | |
| 0.00 0.000000 0 1 read | |
| 0.00 0.000000 0 1 write | |
| 0.00 0.000000 0 10 8 open | |
| 0.00 0.000000 0 2 close | |
| 0.00 0.000000 0 8 7 stat | |
| 0.00 0.000000 0 3 fstat | |
| 0.00 0.000000 0 7 mmap | |
| 0.00 0.000000 0 4 mprotect | |
| 0.00 0.000000 0 1 munmap | |
| 0.00 0.000000 0 1 brk | |
| 0.00 0.000000 0 3 3 access | |
| 0.00 0.000000 0 1 execve | |
| 0.00 0.000000 0 1 arch_prctl | |
| ------ ----------- ----------- --------- --------- ---------------- | |
| 100.00 0.000000 43 18 total |
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