From da236ca318e515a5a1b2156b8dccdf23166c787f Mon Sep 17 00:00:00 2001
From: Leigh Simpson <leigh.simpson@fusepump.com>
Date: Wed, 29 Jan 2014 22:41:55 +0000
Subject: Added additional column to monitor OOM killer score of each process

---
 ProcessList.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'ProcessList.c')

diff --git a/ProcessList.c b/ProcessList.c
index b470344c..a5b9568b 100644
--- a/ProcessList.c
+++ b/ProcessList.c
@@ -660,6 +660,28 @@ static void ProcessList_readVServerData(Process* process, const char* dirname, c
 
 #endif
 
+#ifdef HAVE_OOM
+
+static void ProcessList_readOomData(Process* process, const char* dirname, const char* name) {
+   char filename[MAX_NAME+1];
+   snprintf(filename, MAX_NAME, "%s/%s/oom_score", dirname, name);
+   FILE* file = fopen(filename, "r");
+   if (!file)
+	  return;
+   char buffer[256];
+   if (!fgets(buffer, 255, file)) {
+	   return;
+   }
+   unsigned int oom;
+   int ok = sscanf(buffer, "%u", &oom);
+   if (ok >= 1) {
+	   process->oom = oom;
+   }
+   fclose(file);
+}
+
+#endif
+
 static bool ProcessList_readCmdlineFile(Process* process, const char* dirname, const char* name) {
    if (Process_isKernelThread(process))
       return true;
@@ -784,6 +806,10 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
             ProcessList_readVServerData(process, dirname, name);
          #endif
          
+         #ifdef HAVE_OOM
+         ProcessList_readOomData(process, dirname, name);
+         #endif
+
          if (! ProcessList_readCmdlineFile(process, dirname, name))
             goto errorReadingProcess;
 
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