diff --git a/base/sysinfo.jl b/base/sysinfo.jl
index c6ed553cf337a..75726d45d8df9 100644
--- a/base/sysinfo.jl
+++ b/base/sysinfo.jl
@@ -64,6 +64,13 @@ See Hwloc.jl or CpuId.jl for extended information, including number of physical
 """
 CPU_THREADS = 1 # for bootstrap, changed on startup
 
+"""
+    Sys.CPU_NAME
+
+The name of the host CPU as a string.
+"""
+CPU_NAME = "" # for bootstrap, changed on startup
+
 """
     Sys.ARCH
 
@@ -188,6 +195,15 @@ function _cpu_summary(io::IO, cpu::AbstractVector{CPUinfo}, i, j)
     println(io)
 end
 
+"""
+    Sys.cpu_summary(io::IO=stdout, cpu::AbstractVector{CPUinfo} = cpu_info())
+
+Print a summary of information about each processor in `cpu` gathered from [`cpu_info](@ref). This is generally:
+  - Its index in the `cpu` vector
+  - The CPU model
+  - The CPU speed
+  - The amount of time spent in `user`, `nice`, `sys`, `idle`, and `irq` modes
+"""
 function cpu_summary(io::IO=stdout, cpu::AbstractVector{CPUinfo} = cpu_info())
     model = cpu[1].model
     first = 1
@@ -200,6 +216,11 @@ function cpu_summary(io::IO=stdout, cpu::AbstractVector{CPUinfo} = cpu_info())
     _cpu_summary(io, cpu, first, length(cpu))
 end
 
+"""
+    Sys.cpu_info()
+
+Gather information about all CPUs in the system through a syscall using LibUV.
+"""
 function cpu_info()
     UVcpus = Ref{Ptr{UV_cpu_info_t}}()
     count = Ref{Int32}()
@@ -215,7 +236,7 @@ end
 """
     Sys.uptime()
 
-Gets the current system uptime in seconds.
+Get the current system uptime in seconds.
 """
 function uptime()
     uptime_ = Ref{Float64}()
diff --git a/doc/src/base/base.md b/doc/src/base/base.md
index 3a1df621f1bff..c7eeff7a38091 100644
--- a/doc/src/base/base.md
+++ b/doc/src/base/base.md
@@ -288,6 +288,8 @@ Base.@elapsed
 Base.@allocated
 Base.EnvDict
 Base.ENV
+Base.Sys.cpu_summary
+Base.Sys.cpu_info
 Base.Sys.isunix
 Base.Sys.isapple
 Base.Sys.islinux
diff --git a/doc/src/base/constants.md b/doc/src/base/constants.md
index 4ba0e627b0c54..21e90dd3ebafe 100644
--- a/doc/src/base/constants.md
+++ b/doc/src/base/constants.md
@@ -10,6 +10,7 @@ Base.DEPOT_PATH
 Base.LOAD_PATH
 Base.Sys.BINDIR
 Base.Sys.CPU_THREADS
+Base.Sys.CPU_NAME
 Base.Sys.WORD_SIZE
 Base.Sys.KERNEL
 Base.Sys.ARCH