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strace cpupower rpi2

asavah
Jul 24th, 2016
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  1. execve("/usr/bin/cpupower", ["cpupower", "frequency-set", "--governor", "powersave"], [/* 18 vars */]) = 0
  2. brk(NULL) = 0x1765000
  3. uname({sysname="Linux", nodename="rpi2", ...}) = 0
  4. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x76eff000
  5. access("/etc/ld.so.preload", R_OK) = 0
  6. open("/etc/ld.so.preload", O_RDONLY|O_CLOEXEC) = 3
  7. fstat64(3, {st_mode=S_IFREG|0644, st_size=13, ...}) = 0
  8. mmap2(NULL, 13, PROT_READ|PROT_WRITE, MAP_PRIVATE, 3, 0) = 0x76efe000
  9. close(3) = 0
  10. open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
  11. fstat64(3, {st_mode=S_IFREG|0644, st_size=27208, ...}) = 0
  12. mmap2(NULL, 27208, PROT_READ, MAP_PRIVATE, 3, 0) = 0x76ef7000
  13. close(3) = 0
  14. open("/usr/lib/libarmmem.so", O_RDONLY|O_CLOEXEC) = 3
  15. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0(\5\0\0004\0\0\0"..., 512) = 512
  16. fstat64(3, {st_mode=S_IFREG|S_ISUID|0755, st_size=18936, ...}) = 0
  17. mmap2(NULL, 83308, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76ebc000
  18. mprotect(0x76ec1000, 61440, PROT_NONE) = 0
  19. mmap2(0x76ed0000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x76ed0000
  20. mprotect(0x7ee7b000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN) = 0
  21. close(3) = 0
  22. munmap(0x76efe000, 13) = 0
  23. open("/usr/lib/libcpupower.so.0", O_RDONLY|O_CLOEXEC) = 3
  24. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\254\20\0\0004\0\0\0"..., 512) = 512
  25. fstat64(3, {st_mode=S_IFREG|0775, st_size=14004, ...}) = 0
  26. mmap2(NULL, 78328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76ea8000
  27. mprotect(0x76eab000, 65536, PROT_NONE) = 0
  28. mmap2(0x76ebb000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x76ebb000
  29. close(3) = 0
  30. open("/usr/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
  31. read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\0\27\0\0004\0\0\0"..., 512) = 512
  32. fstat64(3, {st_mode=S_IFREG|0755, st_size=26424, ...}) = 0
  33. mmap2(NULL, 90640, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76e91000
  34. mprotect(0x76e97000, 61440, PROT_NONE) = 0
  35. mmap2(0x76ea6000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x76ea6000
  36. close(3) = 0
  37. open("/usr/lib/libpci.so.3", O_RDONLY|O_CLOEXEC) = 3
  38. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0`\30\0\0004\0\0\0"..., 512) = 512
  39. fstat64(3, {st_mode=S_IFREG|0755, st_size=34832, ...}) = 0
  40. mmap2(NULL, 99104, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76e78000
  41. mprotect(0x76e80000, 65536, PROT_NONE) = 0
  42. mmap2(0x76e90000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x76e90000
  43. close(3) = 0
  44. open("/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
  45. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0ln\1\0004\0\0\0"..., 512) = 512
  46. fstat64(3, {st_mode=S_IFREG|0755, st_size=1210028, ...}) = 0
  47. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x76efe000
  48. mmap2(NULL, 1279344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76d3f000
  49. mprotect(0x76e62000, 65536, PROT_NONE) = 0
  50. fstat64(3, {st_mode=S_IFREG|0755, st_size=88460, ...}) = 0
  51. mmap2(NULL, 160320, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76d17000
  52. mprotect(0x76d2c000, 61440, PROT_NONE) = 0
  53. mmap2(0x76d3b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x76d3b000
  54. mmap2(0x76d3d000, 4672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x76d3d000
  55. close(3) = 0
  56. open("/usr/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
  57. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\250\27\0\0004\0\0\0"..., 512) = 512
  58. fstat64(3, {st_mode=S_IFREG|0755, st_size=95496, ...}) = 0
  59. mmap2(NULL, 159712, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76cf0000
  60. mprotect(0x76d07000, 61440, PROT_NONE) = 0
  61. mmap2(0x76d16000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x76d16000
  62. close(3) = 0
  63. open("/usr/lib/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3
  64. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0X#\0\0004\0\0\0"..., 512) = 512
  65. fstat64(3, {st_mode=S_IFREG|0755, st_size=71292, ...}) = 0
  66. mmap2(NULL, 145324, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x76ccc000
  67. mprotect(0x76cdd000, 61440, PROT_NONE) = 0
  68. mmap2(0x76cec000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x76cec000
  69. mmap2(0x76cee000, 6060, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x76cee000
  70. close(3) = 0
  71. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x76ef6000
  72. set_tls(0x76ef6870, 0x76ef6f48, 0x76f01000, 0x76ef6870, 0x76f01000) = 0
  73. mprotect(0x76f00000, 4096, PROT_READ) = 0
  74. munmap(0x76ef7000, 27208) = 0
  75. set_tid_address(0x76ef6418) = 373
  76. set_robust_list(0x76ef6420, 12) = 0
  77. rt_sigaction(SIGRTMIN, {0x76d1b20c, [], SA_RESTORER|SA_SIGINFO, 0x76d6bd20}, NULL, 8) = 0
  78. rt_sigaction(SIGRT_1, {0x76d1b2f0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x76d6bd20}, NULL, 8) = 0
  79. rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
  80. ugetrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
  81. open("/sys/devices/system/cpu", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
  82. fstat64(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
  83. brk(NULL) = 0x1765000
  84. brk(0x178e000) = 0x178e000
  85. getdents64(3, /* 15 entries */, 32768) = 432
  86. getdents64(3, /* 0 entries */, 32768) = 0
  87. brk(0x1786000) = 0x1786000
  88. close(3) = 0
  89. open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3
  90. fstat64(3, {st_mode=S_IFREG|0644, st_size=2916416, ...}) = 0
  91. mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 3, 0) = 0x76acc000
  92. close(3) = 0
  93. open("/proc/cpuinfo", O_RDONLY) = 3
  94. fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
  95. read(3, "processor\t: 0\nmodel name\t: ARMv7"..., 1024) = 1024
  96. read(3, "0xc07\nCPU revision\t: 5\n\nHardware"..., 1024) = 89
  97. read(3, "", 1024) = 0
  98. close(3) = 0
  99. geteuid32() = 0
  100. uname({sysname="Linux", nodename="rpi2", ...}) = 0
  101. stat64("/sys/devices/system/cpu/cpu0", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
  102. stat64("/sys/devices/system/cpu/cpu0/online", 0x7ee7a208) = -1 ENOENT (No such file or directory)
  103. stat64("/sys/devices/system/cpu/cpu1", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
  104. stat64("/sys/devices/system/cpu/cpu1/online", 0x7ee7a208) = -1 ENOENT (No such file or directory)
  105. stat64("/sys/devices/system/cpu/cpu2", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
  106. stat64("/sys/devices/system/cpu/cpu2/online", 0x7ee7a208) = -1 ENOENT (No such file or directory)
  107. stat64("/sys/devices/system/cpu/cpu3", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
  108. stat64("/sys/devices/system/cpu/cpu3/online", 0x7ee7a208) = -1 ENOENT (No such file or directory)
  109. exit_group(0) = ?
  110. +++ exited with 0 +++
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