Comment 26 for bug 957298

Thanks, I didn't know about perf top.

Here are the results once the mouse started slowing down:

 22.81% [i915] [k] get_clock
 20.15% [kernel] [k] native_read_tsc
 13.45% chromium-browser [.] 0x00000000014bf515
 11.47% [kernel] [k] delay_tsc
  3.22% [kernel] [k] read_hpet
  1.95% [vdso] [.] 0x0000000000000af7
  1.48% perf_3.8.0-18 [.] 0x000000000007c6ce
  1.23% libc-2.17.so [.] 0x0000000000081285
  0.70% [kernel] [k] __ticket_spin_lock
  0.70% intel_drv.so [.] 0x0000000000060519
  0.64% [i2c_algo_bit] [k] sclhi
  0.63% Xorg [.] 0x0000000000063af2
  0.46% [kernel] [k] acpi_os_read_port
  0.44% libglib-2.0.so.0.3600.0 [.] 0x0000000000049168
  0.38% libpthread-2.17.so [.] pthread_mutex_lock
  0.36% libcairo.so.2.11200.14 [.] 0x0000000000065b9f
  0.34% [kernel] [k] fget_light
  0.28% [kernel] [k] __schedule
  0.28% [kernel] [k] menu_select
  0.24% libvte2_90.so.9.3400.2 [.] 0x000000000001a438
  0.21% libharfbuzz.so.0.913.0 [.] 0x0000000000028e44
  0.21% libpthread-2.17.so [.] __pthread_mutex_unlock_usercnt
  0.21% [kernel] [k] hpet_legacy_next_event
  0.20% [kernel] [k] unix_poll
  0.20% libglib-2.0.so.0.3600.0 [.] g_hash_table_lookup
  0.20% [kernel] [k] clear_page_c
  0.17% [kernel] [k] fput
  0.16% perf-3515.map [.] 0x000019dda03af6ec
  0.16% libgobject-2.0.so.0.3600.0 [.] 0x000000000001b175
  0.16% [i915] [k] i915_read32
  0.16% [kernel] [k] _raw_spin_unlock_irqrestore
  0.15% [kernel] [k] tg_load_down
  0.15% [kernel] [k] _raw_spin_lock_irqsave
  0.14% [kernel] [k] int_sqrt
  0.14% [drm] [k] drm_clflush_page
  0.14% [kernel] [k] update_sd_lb_stats