From: Sung-hun Kim <sfoon.kim@samsung.com>
Date: Mon, 30 May 2022 06:59:21 +0000 (+0900)
Subject: resource: memory: Add MEMORY_ATTR_SWAP_TOTAL and MEMORY_ATTR_SWAP_FREE attributes
X-Git-Tag: submit/tizen/20220530.230210^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F88%2F275688%2F3;p=platform%2Fcore%2Fsystem%2Fpass.git

resource: memory: Add MEMORY_ATTR_SWAP_TOTAL and MEMORY_ATTR_SWAP_FREE attributes

Change-Id: I8f6e3ff274c429fe2e5d2f9378ea4e8ae18dccaf
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
---

diff --git a/lib/resource-monitor/resource-monitor.h b/lib/resource-monitor/resource-monitor.h
index 4644d96..5bfbb3f 100644
--- a/lib/resource-monitor/resource-monitor.h
+++ b/lib/resource-monitor/resource-monitor.h
@@ -86,6 +86,8 @@ extern "C" {
 #define MEMORY_ATTR_CACHED			BIT(4)	/* DATA_TYPE_UINT64 */
 #define MEMORY_ATTR_CMA_TOTAL			BIT(5)	/* DATA_TYPE_UINT64 */
 #define MEMORY_ATTR_CMA_FREE			BIT(6)	/* DATA_TYPE_UINT64 */
+#define MEMORY_ATTR_SWAP_TOTAL			BIT(7)  /* DATA_TYPE_UINT64 */
+#define MEMORY_ATTR_SWAP_FREE			BIT(8)  /* DATA_TYPE_UINT64 */
 
 /* Battery Resource */
 #define BATTERY_ATTR_CAPACITY			BIT(0)	/* DATA_TYPE_INT */
diff --git a/src/resource/resource-memory.c b/src/resource/resource-memory.c
index f0b8782..48c627d 100644
--- a/src/resource/resource-memory.c
+++ b/src/resource/resource-memory.c
@@ -38,6 +38,7 @@
 #define PROC_MEM_INFO_BUFFER "Buffers"
 #define PROC_MEM_INFO_CACHED "Cached"
 #define PROC_MEM_INFO_CMA_FREE "CmaFree"
+#define PROC_MEM_INFO_SWAP_FREE "SwapFree"
 
 static int memory_get_cma_total(u_int64_t *val)
 {
@@ -57,6 +58,24 @@ static int memory_get_cma_total(u_int64_t *val)
 	return 0;
 }
 
+static int memory_get_swap_total(u_int64_t *val)
+{
+	static u_int64_t swap_total = 0;
+	int ret;
+
+	if (!swap_total) {
+		ret = kernel_get_memory_info("SwapTotal", &swap_total);
+		if (ret < 0) {
+			_E("failed to get system SWAP total memory\n");
+			return -EINVAL;
+		}
+	}
+
+	*val = swap_total;
+
+	return 0;
+}
+
 static int memory_get_memory_info(const struct resource *res,
 				const struct resource_attribute *attr,
 				void *data)
@@ -89,6 +108,12 @@ static int memory_get_memory_info(const struct resource *res,
 	case MEMORY_ATTR_CMA_FREE:
 		ret = kernel_get_memory_info(PROC_MEM_INFO_CMA_FREE, val);
 		break;
+	case MEMORY_ATTR_SWAP_TOTAL:
+		ret = memory_get_swap_total(val);
+		break;
+	case MEMORY_ATTR_SWAP_FREE:
+		ret = kernel_get_memory_info(PROC_MEM_INFO_SWAP_FREE, val);
+		break;
 	default:
 		_E("wrong memory resource attribute\n");
 		ret = -EINVAL;
@@ -149,6 +174,20 @@ static const struct resource_attribute memory_attrs[] = {
 		.ops	= {
 			.get = memory_get_memory_info,
 		}
+	}, {
+		.name	= "MEMORY_ATTR_SWAP_TOTAL",
+		.id	= MEMORY_ATTR_SWAP_TOTAL,
+		.type	= DATA_TYPE_UINT64,
+		.ops	= {
+			.get = memory_get_memory_info,
+		}
+	}, {
+		.name	= "MEMORY_ATTR_SWAP_FREE",
+		.id	= MEMORY_ATTR_SWAP_FREE,
+		.type	= DATA_TYPE_UINT64,
+		.ops	= {
+			.get = memory_get_memory_info,
+		}
 	},
 };