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authorKarl Berry <karl@freefriends.org>2013-04-08 00:43:40 +0000
committerKarl Berry <karl@freefriends.org>2013-04-08 00:43:40 +0000
commit824f7b0903de8ad7f6ee3d7656005e4c59155e06 (patch)
treeabfc8673ef9916f3ab7074e811207384c301492b /Master/texmf-dist/tex/context/base/node-snp.lua
parent689aefb0727676ed3cddf331337b4be226495e72 (diff)
context import for TL13, from www.pragma-ade.com/context/beta/cont-tmf.zip
git-svn-id: svn://tug.org/texlive/trunk@29731 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/node-snp.lua')
-rw-r--r--Master/texmf-dist/tex/context/base/node-snp.lua66
1 files changed, 66 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/node-snp.lua b/Master/texmf-dist/tex/context/base/node-snp.lua
new file mode 100644
index 00000000000..31c7771ac92
--- /dev/null
+++ b/Master/texmf-dist/tex/context/base/node-snp.lua
@@ -0,0 +1,66 @@
+if not modules then modules = { } end modules ['node-snp'] = {
+ version = 1.001,
+ comment = "companion to node-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+if not nodes then
+ nodes = { } -- also loaded in mtx-timing
+end
+
+local snapshots = { }
+nodes.snapshots = snapshots
+
+local nodeusage = nodes.pool and nodes.pool.usage
+local clock = os.gettimeofday or os.clock -- should go in environment
+local lasttime = clock()
+local samples = { }
+
+local parameters = {
+ "cs_count",
+ "dyn_used",
+ "elapsed_time",
+ "luabytecode_bytes",
+ "luastate_bytes",
+ "max_buf_stack",
+ "obj_ptr",
+ "pdf_mem_ptr",
+ "pdf_mem_size",
+ "pdf_os_cntr",
+-- "pool_ptr", -- obsolete
+ "str_ptr",
+}
+
+function snapshots.takesample(comment)
+ if nodeusage then
+ local c = clock()
+ local t = {
+ elapsed_time = c - lasttime,
+ node_memory = nodeusage(),
+ comment = comment,
+ }
+ for i=1,#parameters do
+ local parameter = parameters[i]
+ local ps = status[parameter]
+ if ps then
+ t[parameter] = ps
+ end
+ end
+ samples[#samples+1] = t
+ lasttime = c
+ end
+end
+
+function snapshots.getsamples()
+ return samples -- one return value !
+end
+
+function snapshots.resetsamples()
+ samples = { }
+end
+
+function snapshots.getparameters()
+ return parameters
+end