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strace

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Mar 23rd, 2015
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  1. execve("/usr/bin/time", ["time"], [/* 4 vars */]) = 0
  2. brk(0) = 0x1392000
  3. uname({sys="Linux", node="grouper", ...}) = 0
  4. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40058000
  5. access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
  6. open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
  7. fstat64(3, {st_mode=S_IFREG|0644, st_size=22057, ...}) = 0
  8. mmap2(NULL, 22057, PROT_READ, MAP_PRIVATE, 3, 0) = 0x400ab000
  9. close(3) = 0
  10. open("/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
  11. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0@<\0\0004\0\0\0"..., 512) = 512
  12. fstat64(3, {st_mode=S_IFREG|0755, st_size=439844, ...}) = 0
  13. mmap2(NULL, 471184, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40163000
  14. mprotect(0x401ce000, 28672, PROT_NONE) = 0
  15. mmap2(0x401d5000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6a000) = 0x401d5000
  16. close(3) = 0
  17. open("/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
  18. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\210f\1\0004\0\0\0"..., 512) = 512
  19. fstat64(3, {st_mode=S_IFREG|0755, st_size=1218148, ...}) = 0
  20. mmap2(NULL, 1254792, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x401d7000
  21. mprotect(0x402fc000, 32768, PROT_NONE) = 0
  22. mmap2(0x40304000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x125000) = 0x40304000
  23. mmap2(0x40307000, 9608, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40307000
  24. close(3) = 0
  25. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x400ee000
  26. set_tls(0x400ee6d0, 0x400eedb8, 0x4004c050, 0x400ee6d0, 0x4004c050) = 0
  27. mprotect(0x40304000, 8192, PROT_READ) = 0
  28. mprotect(0x401d5000, 4096, PROT_READ) = 0
  29. mprotect(0x4004b000, 4096, PROT_READ) = 0
  30. munmap(0x400ab000, 22057) = 0
  31. getuid32() = 0
  32. mmap2(NULL, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4006b000
  33. mmap2(NULL, 401408, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4030a000
  34. brk(0) = 0x1392000
  35. brk(0x13b4000) = 0x13b4000
  36. munmap(0x4030a000, 401408) = 0
  37. munmap(0x4006b000, 45056) = 0
  38. write(2, "BusyBox v1.22.1 (2015-03-20 18:5"..., 41BusyBox v1.22.1 (2015-03-20 18:56:26 CET)) = 41
  39. write(2, " multi-call binary.\n", 20 multi-call binary.
  40. ) = 20
  41. write(2, "\nUsage: ", 8
  42. Usage: ) = 8
  43. write(2, "time", 4time) = 4
  44. write(2, " ", 1 ) = 1
  45. write(2, "[-v] PROG ARGS", 14[-v] PROG ARGS) = 14
  46. write(2, "\n\n", 2
  47.  
  48. ) = 2
  49. exit_group(1) = ?
  50. +++ exited with 1 +++
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