Add memoryPhysicalFootprint and memoryPhysicalFootprintString to …

…`CSSystemInfoProvider`
thecatalinstan · Jun 18, 2021 · 2c6943f · 2c6943f
1 parent 3a93c27
commit 2c6943f
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Showing 4 changed files with 43 additions and 1 deletion.
diff --git a/CSSystemInfoHelper/Headers/CSSystemInfoHelper/CSSystemInfoHelper.h b/CSSystemInfoHelper/Headers/CSSystemInfoHelper/CSSystemInfoHelper.h
@@ -71,6 +71,15 @@ FOUNDATION_EXPORT NSString * const CSSystemInfoHelperIPAddressNone DEPRECATED_AT
 /// @c -memoryUsage
 @property (nonatomic, readonly, copy) NSString *memoryUsageString;
 
+/// Gets the physical memory footprint size of the process, as reported by
+/// @c task_info
+// @see https://www.gnu.org/software/hurd/gnumach-doc/Task-Information.html
+@property (nonatomic, readonly) vm_size_t memotyPhysicalFootprint;
+
+/// A human-readable, formatted byte count string. from the value returned by
+/// @c -memotyPhysicalFootprint
+@property (nonatomic, readonly, copy) NSString *memotyPhysicalFootprintString;
+
 /// @name UUID of the current device
 
 /// Get the UUID of the current device

diff --git a/CSSystemInfoHelper/Sources/CSSystemInfoHelper.m b/CSSystemInfoHelper/Sources/CSSystemInfoHelper.m
@@ -107,7 +107,7 @@ - (NSString *)systemVersionString {
 - (vm_size_t)memoryUsage {
     NSError *error;
     vm_size_t memoryUsage = 0;
-    if (!([self.systemInfoProvider getResidentSize:&memoryUsage error:&error])) {
+    if (![self.systemInfoProvider getResidentSize:&memoryUsage error:&error]) {
         NSLog(@"Error getting resident size: %@. %@.", error.localizedDescription, error.localizedFailureReason);
         return 0;
     }
@@ -118,6 +118,20 @@ - (NSString *)memoryUsageString {
     return [self formatByteCount:self.memoryUsage];
 }
 
+- (vm_size_t)memotyPhysicalFootprint {
+    NSError *error;
+    vm_size_t memotyPhysicalFootprint = 0;
+    if (![self.systemInfoProvider getPhysFootprint:&memotyPhysicalFootprint error:&error]) {
+        NSLog(@"Error getting physical memory footprint: %@. %@.", error.localizedDescription, error.localizedFailureReason);
+        return 0;
+    }
+    return memotyPhysicalFootprint;
+}
+
+- (NSString *)memotyPhysicalFootprintString {
+    return [self formatByteCount:self.memotyPhysicalFootprint];
+}
+
 #if TARGET_OS_OSX
 - (NSString *)platformUUID {
     static NSString* platformUUID;

diff --git a/CSSystemInfoHelper/Sources/CSSystemInfoProvider.h b/CSSystemInfoHelper/Sources/CSSystemInfoProvider.h
@@ -17,6 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (nullable NSArray<CSNetworkInterface *> *)queryNetworkInterfaces:(NSError *__autoreleasing *)error NS_WARN_UNUSED_RESULT;
 
 - (BOOL)getResidentSize:(vm_size_t *)residentSize error:(NSError *__autoreleasing *)error NS_WARN_UNUSED_RESULT;
+- (BOOL)getPhysFootprint:(vm_size_t *)physFootprint error:(NSError *__autoreleasing *)error NS_WARN_UNUSED_RESULT;
 
 @end
 

diff --git a/CSSystemInfoHelper/Sources/CSSystemInfoProvider.m b/CSSystemInfoHelper/Sources/CSSystemInfoProvider.m
@@ -101,4 +101,22 @@ - (BOOL)getResidentSize:(vm_size_t *)residentSize error:(NSError *__autoreleasin
     return YES;
 }
 
+- (BOOL)getPhysFootprint:(vm_size_t *)physFootprint error:(NSError *__autoreleasing  _Nullable *)error {
+    struct task_vm_info info = {0};
+
+    kern_return_t ret;
+    if (KERN_SUCCESS != (ret = task_info(mach_task_self(), TASK_VM_INFO, (task_info_t)&info, TASK_VM_INFO_COUNT))) {
+        if (error) {
+            *error = CSMachError(ret, nil, nil);
+        }
+        return NO;
+    }
+
+    if (physFootprint) {
+        *physFootprint = info.phys_footprint;
+    }
+
+    return YES;
+}
+
 @end