add metrics for latexmk runs and errors

services/clsi/app/coffee/CompileManager.coffee

@@ -10,6 +10,7 @@ child_process = require "child_process"
 CommandRunner = require(Settings.clsi?.commandRunner or "./CommandRunner")
 DraftModeManager = require "./DraftModeManager"
 fs = require("fs")
+os = require("os")
 
 module.exports = CompileManager =
 	doCompile: (request, callback = (error, outputFiles) ->) ->
@@ -38,10 +39,17 @@ module.exports = CompileManager =
 					compiler:  request.compiler
 					timeout:   request.timeout
 					image:     request.imageName
-				}, (error) ->
+				}, (error, output, stats) ->
 					return callback(error) if error?
-					logger.log project_id: request.project_id, time_taken: Date.now() - timer.start, "done compile"
-					timer.done()
+					Metrics.inc("compiles")
+					for metric_key, metric_value of stats or {}
+						Metrics.count(metric_key, metric_value)
+					loadavg = os.loadavg?()
+					Metrics.gauge("load-avg", loadavg[0]) if loadavg?
+					ts = timer.done()
+					logger.log {project_id: request.project_id, time_taken: ts, stats:stats, loadavg:loadavg}, "done compile"
+					if stats?["latex-runs"] > 0
+						Metrics.timing("run-compile-per-pass", ts / stats["latex-runs"])
 
 					OutputFileFinder.findOutputFiles request.resources, compileDir, (error, outputFiles) ->
 						return callback(error) if error?

services/clsi/app/coffee/LatexRunner.coffee

@@ -27,9 +27,20 @@ module.exports = LatexRunner =
 		else
 			return callback new Error("unknown compiler: #{compiler}")
 
-		CommandRunner.run project_id, command, directory, image, timeout, callback
+		CommandRunner.run project_id, command, directory, image, timeout, (error, output) ->
+			return callback(error) if error?
+			runs = output?.stderr?.match(/^Run number \d+ of .*latex/mg)?.length or 0
+			failed = if output?.stdout?.match(/^Latexmk: Errors/m)? then 1 else 0
+			# counters from latexmk output
+			stats = {}
+			stats["latexmk-errors"] = failed
+			stats["latex-runs"] = runs
+			stats["latex-runs-with-errors"] = if failed then runs else 0
+			stats["latex-runs-#{runs}"] = 1
+			stats["latex-runs-with-errors-#{runs}"] = if failed then 1 else 0
+			callback error, output, stats
 
-	_latexmkBaseCommand: [ "latexmk", "-cd", "-f", "-jobname=output", "-auxdir=$COMPILE_DIR", "-outdir=$COMPILE_DIR"]
+	_latexmkBaseCommand: ["latexmk", "-cd", "-f", "-jobname=output", "-auxdir=$COMPILE_DIR", "-outdir=$COMPILE_DIR"]
 
 	_pdflatexCommand: (mainFile) ->
 		LatexRunner._latexmkBaseCommand.concat [

services/clsi/package.json

@@ -15,7 +15,7 @@
     "request": "~2.21.0",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.0.0",
     "settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git#v1.0.0",
-    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.3.0",
+    "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.5.0",
     "sequelize": "^2.1.3",
     "wrench": "~1.5.4",
     "smoke-test-sharelatex": "git+https://github.com/sharelatex/smoke-test-sharelatex.git#v0.2.0",