collecting top symbols in youtube chromium
<pre>
Overhead  Shared Object                            Symbol
   6.04%  chromium                                 [.] S32_opaque_D32_filter_DX_SSSE3                                   ▒
   3.28%  libc-2.27.so                             [.] __memmove_sse2_unaligned_erms                                    ▒
   3.17%  libapt-pkg.so.5.0.2                      [.] pkgDepCache::Sweep                                               ▒
   1.84%  chromium                                 [.] I422ToARGBRow_SSSE3                                              ▒
   1.65%  [kernel]                                 [k] copy_user_generic_string                                         ▒
   1.17%  chromium                                 [.] ClampX_ClampY_filter_scale_SSE2                                  ▒
   0.89%  [kernel]                                 [k] __d_lookup_rcu                                                   ▒
   0.88%  libc-2.27.so                             [.] __strchr_sse2                                                    ▒
   0.88%  libstdc++.so.6.0.25                      [.] std::__ostream_insert<char, std::char_traits<char> >             ▒
   0.87%  [kernel]                                 [k] system_call                                                      ▒
   0.81%  chromium                                 [.] vpx_convolve_copy_sse2                                           ▒
   0.79%  libc-2.27.so                             [.] __GI___strlen_sse2                                               ▒
   0.78%  [kernel]                                 [k] sysret_check                                                     ▒
   0.78%  chromium                                 [.] Clamp_S32_opaque_D32_nofilter_DX_shaderproc                      ▒
   0.76%  chromium                                 [.] vpx_lpf_horizontal_16_dual_sse2                                  ▒
   0.70%  libc-2.27.so                             [.] __memcmp_sse4_1                                                  ▒
   0.68%  [kernel]                                 [k] link_path_walk                                                   ▒
   0.55%  libc-2.27.so                             [.] malloc                                                           ▒
   0.53%  libc-2.27.so                             [.] _int_free                                                        ▒
   0.53%  perf_4.8                                 [.] 0x00000000001655a2                                               ▒
   0.50%  perf_4.8                                 [.] 0x00000000000d1863                                               ▒
   0.49%  chromium                                 [.] decode_coefs                                                     ▒
   0.49%  [kernel]                                 [k] strncpy_from_user                                                ▒
   0.48%  libstdc++.so.6.0.25                      [.] __dynamic_cast
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