Add total file size

README.md

@@ -12,19 +12,22 @@ Here's a quick demo:
 julia> using PkgCacheInspector
 
 julia> info_cachefile("Colors")
-modules: Any[Colors]
-68 external methods
-1776 new specializations of external methods
-371 external methods with new roots
-5113 external targets
-3796 edges
-system:      2021616
-isbits:      2048623
-symbols:       13345
-tags:          28990
-relocations:  214509
-gvars:          5048
-fptrs:          3112
+Contents of /Users/user/.julia/compiled/v1.9/Colors/NKjaT_1DCqx.ji:
+  modules: Any[Colors]
+  68 external methods
+  1759 new specializations of external methods (Base 50.1%, ColorTypes 29.8%, Base.Broadcast 11.3%, ...)
+  361 external methods with new roots
+  5115 external targets
+  3796 edges
+  file size:   4922032 (4.694 MiB)
+  Segment sizes (bytes):
+  system:      1971024 ( 46.65%)
+  isbits:      1998959 ( 47.31%)
+  symbols:       13360 (  0.32%)
+  tags:          28804 (  0.68%)
+  relocations:  213041 (  5.04%)
+  gvars:             0 (  0.00%)
+  fptrs:             0 (  0.00%)
 ```
 
 At the top of the display, you can see a summary of the numbers of various items:

src/PkgCacheInspector.jl

@@ -18,6 +18,17 @@ struct PkgCacheSizes
     fptrlist::Int
 end
 
+const cache_displaynames = [
+        "system",
+        "isbits",
+        "symbols",
+        "tags",
+        "relocations",
+        "gvars",
+        "fptrs"
+    ]
+const cache_displaynames_l = maximum(length, cache_displaynames)
+
 function Base.show(io::IO, szs::PkgCacheSizes)
     indent = get(io, :indent, 0)
     nd = ntot = 0
@@ -27,20 +38,16 @@ function Base.show(io::IO, szs::PkgCacheSizes)
         nd = max(nd, ndigits(nb))
         ntot += nb
     end
-    displaynames = [
-        "system",
-        "isbits",
-        "symbols",
-        "tags",
-        "relocations",
-        "gvars",
-        "fptrs"
-    ]
-    l = maximum(length, displaynames)
     println(io, " "^indent, "Segment sizes (bytes):")
     for i = 1:nf
         nb = getfield(szs, i)
-        println(io, " "^indent, rpad(displaynames[i] * ": ", l+2), lpad(string(nb), nd), " (", @sprintf("% 6.2f", 100*nb/ntot), "%)")
+        println(io,
+            " "^indent,
+            rpad(cache_displaynames[i] * ": ", cache_displaynames_l+2),
+            lpad(string(nb), nd),
+            " (",
+            @sprintf("% 6.2f", 100*nb/ntot),
+            "%)")
     end
 end
 
@@ -53,6 +60,7 @@ struct PkgCacheInfo
     new_method_roots::Vector{Any}
     external_targets::Vector{Any}
     edges::Vector{Any}
+    filesize::Int
     cachesizes::PkgCacheSizes
 end
 
@@ -76,6 +84,7 @@ function Base.show(io::IO, info::PkgCacheInfo)
     !isempty(info.new_method_roots) && println(io, "  ", length(info.new_method_roots) ÷ 2, " external methods with new roots")
     !isempty(info.external_targets) && println(io, "  ", length(info.external_targets) ÷ 3, " external targets")
     !isempty(info.edges) && println(io, "  ", length(info.edges) ÷ 2, " edges")
+    println(io, "  ", rpad("file size: ", cache_displaynames_l+2), info.filesize, " (", Base.format_bytes(info.filesize),")")
     show(IOContext(io, :indent => 2), info.cachesizes)
 end
 
@@ -96,7 +105,7 @@ function info_cachefile(path::String, depmods::Vector{Any})
     if isa(sv, Exception)
         throw(sv)
     end
-    return PkgCacheInfo(path, sv[1:7]..., PkgCacheSizes(sv[8]...))
+    return PkgCacheInfo(path, sv[1:7]..., filesize(path), PkgCacheSizes(sv[8]...))
 end
 
 function info_cachefile(pkg::PkgId, path::String)

test/runtests.jl

@@ -6,4 +6,5 @@ using Test
     @test isa(info, PkgCacheInfo)
     str = sprint(show, info)
     @test occursin("relocations", str) && occursin("new specializations", str) && occursin("targets", str)
+    @test occursin("file size", str)
 end