From 63cf599696abce2a4f67ba9d34697c5b804cd1c5 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 13 Jan 2013 13:46:04 +0000
Subject: Put CPU info into log, on POSIX at least.

---
 src/lib/film.cc |  2 ++
 src/lib/util.cc | 26 ++++++++++++++++++++++++++
 src/lib/util.h  |  1 +
 3 files changed, 29 insertions(+)

(limited to 'src')

diff --git a/src/lib/film.cc b/src/lib/film.cc
index ad9f65256..f481399a9 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -269,6 +269,8 @@ Film::make_dcp (bool transcode)
 #else
 	log()->log ("libdcp built in optimised mode.");
 #endif
+	pair<string, int> const c = cpu_info ();
+	log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
 	
 	if (format() == 0) {
 		throw MissingSettingError ("format");
diff --git a/src/lib/util.cc b/src/lib/util.cc
index 66743250f..0fced638c 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -875,3 +875,29 @@ still_image_file (string f)
 	
 	return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png");
 }
+
+/** @return A pair containing CPU model name and the number of processors */
+pair<string, int>
+cpu_info ()
+{
+	pair<string, int> info;
+	info.second = 0;
+	
+#ifdef DVDOMATIC_POSIX
+	ifstream f ("/proc/cpuinfo");
+	while (f.good ()) {
+		string l;
+		getline (f, l);
+		if (boost::algorithm::starts_with (l, "model name")) {
+			string::size_type const c = l.find (':');
+			if (c != string::npos) {
+				info.first = l.substr (c + 2);
+			}
+		} else if (boost::algorithm::starts_with (l, "processor")) {
+			++info.second;
+		}
+	}
+#endif	
+
+	return info;
+}
diff --git a/src/lib/util.h b/src/lib/util.h
index 0744d9c09..024c40fb5 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -280,6 +280,7 @@ private:
 
 extern int64_t video_frames_to_audio_frames (SourceFrame v, float audio_sample_rate, float frames_per_second);
 extern bool still_image_file (std::string);
+extern std::pair<std::string, int> cpu_info ();
 
 #endif
 
-- 
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