Dump stats of memory pages which are hooked, but absent from /proc/<pid>/maps.

BUG=189114


Review URL: https://chromiumcodereview.appspot.com/12575008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@188272 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 27 insertions, 2 deletions

diff --git a/tools/deep_memory_profiler/dmprof.py b/tools/deep_memory_profiler/dmprof.py
index f9d920e..e745ebd 100644
--- a/tools/deep_memory_profiler/dmprof.py
+++ b/tools/deep_memory_profiler/dmprof.py
@@ -736,8 +736,8 @@ class Dump(object):
         lambda n: self._lines[n] != 'GLOBAL_STATS:\n')
 
     global_stat_names = [
-        'total', 'file-exec', 'file-nonexec', 'anonymous', 'stack', 'other',
-        'nonprofiled-absent', 'nonprofiled-anonymous',
+        'total', 'absent', 'file-exec', 'file-nonexec', 'anonymous', 'stack',
+        'other', 'nonprofiled-absent', 'nonprofiled-anonymous',
         'nonprofiled-file-exec', 'nonprofiled-file-nonexec',
         'nonprofiled-stack', 'nonprofiled-other',
         'profiled-mmap', 'profiled-malloc']
@@ -996,6 +996,7 @@ class PolicyCommands(Command):
     for key, value in {
         'total': 'total_committed',
         'filemapped': 'file_committed',
+        'absent': 'absent_committed',
         'file-exec': 'file-exec_committed',
         'file-nonexec': 'file-nonexec_committed',
         'anonymous': 'anonymous_committed',
diff --git a/tools/deep_memory_profiler/policy.l0.json b/tools/deep_memory_profiler/policy.l0.json
index ddac186..c5351d2 100644
--- a/tools/deep_memory_profiler/policy.l0.json
+++ b/tools/deep_memory_profiler/policy.l0.json
@@ -20,6 +20,7 @@
     "UNTIL_HERE_FOR_TOTAL",
     "total-exclude-profiler",
     "total",
+    "absent",
     "anonymous",
     "file-exec",
     "file-nonexec",
@@ -126,6 +127,11 @@
       "allocator": "optional"
     },
     {
+      "name": "absent",
+      "stacktrace": "optional",
+      "allocator": "optional"
+    },
+    {
       "name": "anonymous",
       "stacktrace": "optional",
       "allocator": "optional"
diff --git a/tools/deep_memory_profiler/policy.l1.json b/tools/deep_memory_profiler/policy.l1.json
index a8f96ca..8b36bb8 100644
--- a/tools/deep_memory_profiler/policy.l1.json
+++ b/tools/deep_memory_profiler/policy.l1.json
@@ -27,6 +27,7 @@
     "UNTIL_HERE_FOR_TOTAL",
     "total-exclude-profiler",
     "total",
+    "absent",
     "anonymous",
     "file-exec",
     "file-nonexec",
@@ -168,6 +169,11 @@
       "allocator": "optional"
     },
     {
+      "name": "absent",
+      "stacktrace": "optional",
+      "allocator": "optional"
+    },
+    {
       "name": "anonymous",
       "stacktrace": "optional",
       "allocator": "optional"
diff --git a/tools/deep_memory_profiler/policy.l2.json b/tools/deep_memory_profiler/policy.l2.json
index 3a1867f..d5e7f7a 100644
--- a/tools/deep_memory_profiler/policy.l2.json
+++ b/tools/deep_memory_profiler/policy.l2.json
@@ -54,6 +54,7 @@
     "UNTIL_HERE_FOR_TOTAL",
     "total-exclude-profiler",
     "total",
+    "absent",
     "anonymous",
     "file-exec",
     "file-nonexec",
@@ -440,6 +441,11 @@
       "allocator": "optional"
     },
     {
+      "name": "absent",
+      "stacktrace": "optional",
+      "allocator": "optional"
+    },
+    {
       "name": "anonymous",
       "stacktrace": "optional",
       "allocator": "optional"
diff --git a/tools/deep_memory_profiler/policy.t0.json b/tools/deep_memory_profiler/policy.t0.json
index 9651dd6..aab8715 100644
--- a/tools/deep_memory_profiler/policy.t0.json
+++ b/tools/deep_memory_profiler/policy.t0.json
@@ -26,6 +26,7 @@
     "UNTIL_HERE_FOR_TOTAL",
     "total-exclude-profiler",
     "total",
+    "absent",
     "anonymous",
     "file-exec",
     "file-nonexec",
@@ -169,6 +170,11 @@
       "allocator": "optional"
     },
     {
+      "name": "absent",
+      "stacktrace": "optional",
+      "allocator": "optional"
+    },
+    {
       "name": "anonymous",
       "stacktrace": "optional",
       "allocator": "optional"