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scriptnull/printvar.cr

Created February 6, 2018 01:39
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experimenting strace and crystal
Raw
printvar.cr
x = 1
puts "value of x is #{x}"
Raw
strace_output.txt
value of x is 1
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
28.67 0.000043 4 11 read
15.33 0.000023 1 27 fcntl
6.67 0.000010 10 1 socketpair
6.00 0.000009 5 2 madvise
5.33 0.000008 1 9 open
5.33 0.000008 1 10 close
4.00 0.000006 6 1 write
3.33 0.000005 1 7 brk
2.67 0.000004 0 21 mmap
2.67 0.000004 0 15 mprotect
2.67 0.000004 1 8 rt_sigaction
2.67 0.000004 4 1 pipe
2.00 0.000003 1 3 ioctl
2.00 0.000003 1 3 getgid
2.00 0.000003 3 1 epoll_create
2.00 0.000003 2 2 getrandom
1.33 0.000002 1 3 getuid
1.33 0.000002 1 3 geteuid
1.33 0.000002 1 3 getegid
1.33 0.000002 2 1 sched_getaffinity
0.67 0.000001 1 1 getcwd
0.67 0.000001 1 1 sigaltstack
0.00 0.000000 0 8 fstat
0.00 0.000000 0 1 munmap
0.00 0.000000 0 2 rt_sigprocmask
0.00 0.000000 0 8 8 access
0.00 0.000000 0 1 execve
0.00 0.000000 0 2 getrlimit
0.00 0.000000 0 1 arch_prctl
0.00 0.000000 0 1 set_tid_address
0.00 0.000000 0 1 set_robust_list
------ ----------- ----------- --------- --------- ----------------
100.00 0.000150 159 8 total
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