perf script

outstart

root@login:/home/vagrant# perf script
# ========
# captured on: Tue Nov 24 10:13:31 2015
# hostname : login
# os release : 3.13.0-57-generic
# perf version : 3.13.11-ckt21
# arch : x86_64
# nrcpus online : 4
# nrcpus avail : 4
# cpudesc : Intel(R) Core(TM) i7-4558U CPU @ 2.80GHz
# cpuid : GenuineIntel,6,69,1
# total memory : 3081572 kB
# cmdline : /usr/lib/linux-lts-trusty-tools-3.13.0-57/perf record -e cycles:u -g -- /opt/node-v1.8.4-linux-x64/bin/node --perf-bas
# event : name = cpu-clock:u, type = 1, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 1, excl_host = 0, ex
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# pmu mappings: software = 1, tracepoint = 2, breakpoint = 5
# ========
#
node  6944  1710.809499: cpu-clock:u: 
            7fdc05b18aba [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)
            7fdc05b2ab24 [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)

node  6944  1710.809754: cpu-clock:u: 
            7fdc0493d9c5 [unknown] (/lib/x86_64-linux-gnu/libc-2.15.so)
            7fdc05b18b3b [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)
            7fdc05b2ab24 [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)

node  6944  1710.811441: cpu-clock:u: 
            7fdc05b1894c [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)
            7fdc05b2ab24 [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)

node  6944  1710.811890: cpu-clock:u: 
            7fdc05b189dc [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)
            7fdc05b2ab24 [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)

node  6944  1710.812260: cpu-clock:u: 
            7fdc05b1a36a [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)
            7fdc05b166b8 [unknown] (/lib/x86_64-linux-gnu/ld-2.15.so)

node  6944  1710.812522: cpu-clock:u: 
            7fdc049a4128 [unknown] (/lib/x86_64-linux-gnu/libc-2.15.so)
                  66c466 _init (/opt/node-v1.8.4-linux-x64/bin/iojs)

node  6944  1710.820397: cpu-clock:u: 
                  77942f RAND_poll (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  777a05 ssleay_rand_status (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d0d4de node::crypto::EntropySource(unsigned char*, unsigned long) (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d4dda2 v8::base::RandomNumberGenerator::RandomNumberGenerator() (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d4d39d v8::base::CallOnceImpl(long*, void (*)(void*), void*) (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d4eeb9 v8::base::OS::GetRandomMmapAddr() (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d4e266 v8::base::OS::Allocate(unsigned long, unsigned long*, bool) (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  c38172 v8::internal::CreateSqrtFunction() (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  88d8f9 v8::internal::init_fast_sqrt_function() (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  c129e0 v8::internal::V8::InitializeOncePerProcessImpl() (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  d4d39d v8::base::CallOnceImpl(long*, void (*)(void*), void*) (/opt/node-v1.8.4-linux-x64/bin/iojs)
                  c12a42 v8::internal::V8::Initialize() (/opt/node-v1.8.4-linux-x64/bin/iojs)