diff --git a/libmeminfo_benchmark.cpp b/libmeminfo_benchmark.cpp
new file mode 100644
index 0000000..3820776
--- /dev/null
+++ b/libmeminfo_benchmark.cpp
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <meminfo/sysmeminfo.h>
+
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <string>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/test_utils.h>
+
+#include <benchmark/benchmark.h>
+
+enum {
+    MEMINFO_TOTAL,
+    MEMINFO_FREE,
+    MEMINFO_BUFFERS,
+    MEMINFO_CACHED,
+    MEMINFO_SHMEM,
+    MEMINFO_SLAB,
+    MEMINFO_SLAB_RECLAIMABLE,
+    MEMINFO_SLAB_UNRECLAIMABLE,
+    MEMINFO_SWAP_TOTAL,
+    MEMINFO_SWAP_FREE,
+    MEMINFO_ZRAM_TOTAL,
+    MEMINFO_MAPPED,
+    MEMINFO_VMALLOC_USED,
+    MEMINFO_PAGE_TABLES,
+    MEMINFO_KERNEL_STACK,
+    MEMINFO_COUNT
+};
+
+void get_mem_info(uint64_t mem[], const char* file) {
+    char buffer[4096];
+    unsigned int numFound = 0;
+
+    int fd = open(file, O_RDONLY);
+
+    if (fd < 0) {
+        printf("Unable to open %s: %s\n", file, strerror(errno));
+        return;
+    }
+
+    const int len = read(fd, buffer, sizeof(buffer) - 1);
+    close(fd);
+
+    if (len < 0) {
+        printf("Empty %s\n", file);
+        return;
+    }
+    buffer[len] = 0;
+
+    static const char* const tags[] = {
+            "MemTotal:",     "MemFree:",    "Buffers:",     "Cached:",       "Shmem:", "Slab:",
+            "SReclaimable:", "SUnreclaim:", "SwapTotal:",   "SwapFree:",     "ZRam:",  "Mapped:",
+            "VmallocUsed:",  "PageTables:", "KernelStack:", NULL};
+
+    static const int tagsLen[] = {9, 8, 8, 7, 6, 5, 13, 11, 10, 9, 5, 7, 12, 11, 12, 0};
+
+    memset(mem, 0, sizeof(uint64_t) * 15);
+    char* p = buffer;
+    while (*p && (numFound < (sizeof(tagsLen) / sizeof(tagsLen[0])))) {
+        int i = 0;
+        while (tags[i]) {
+            //std::cout << "tag =" << tags[i] << " p = " << std::string(p, tagsLen[i]) << std::endl;
+            if (strncmp(p, tags[i], tagsLen[i]) == 0) {
+                p += tagsLen[i];
+                while (*p == ' ') p++;
+                char* num = p;
+                while (*p >= '0' && *p <= '9') p++;
+                if (*p != 0) {
+                    *p = 0;
+                    p++;
+                }
+                mem[i] = atoll(num);
+                numFound++;
+                break;
+            }
+            i++;
+        }
+        while (*p && *p != '\n') {
+            p++;
+        }
+        if (*p) p++;
+    }
+}
+
+static void BM_ParseSysMemInfo(benchmark::State& state) {
+    std::string meminfo = R"meminfo(MemTotal:        3019740 kB
+MemFree:         1809728 kB
+MemAvailable:    2546560 kB
+Buffers:           54736 kB
+Cached:           776052 kB
+SwapCached:            0 kB
+Active:           445856 kB
+Inactive:         459092 kB
+Active(anon):      78492 kB
+Inactive(anon):     2240 kB
+Active(file):     367364 kB
+Inactive(file):   456852 kB
+Unevictable:        3096 kB
+Mlocked:            3096 kB
+SwapTotal:             0 kB
+SwapFree:              0 kB
+Dirty:                32 kB
+Writeback:             0 kB
+AnonPages:         74988 kB
+Mapped:            62624 kB
+Shmem:              4020 kB
+Slab:              86464 kB
+SReclaimable:      44432 kB
+SUnreclaim:        42032 kB
+KernelStack:        4880 kB
+PageTables:         2900 kB
+NFS_Unstable:          0 kB
+Bounce:                0 kB
+WritebackTmp:          0 kB
+CommitLimit:     1509868 kB
+Committed_AS:      80296 kB
+VmallocTotal:   263061440 kB
+VmallocUsed:           0 kB
+VmallocChunk:          0 kB
+AnonHugePages:      6144 kB
+ShmemHugePages:        0 kB
+ShmemPmdMapped:        0 kB
+CmaTotal:         131072 kB
+CmaFree:          130380 kB
+HugePages_Total:       0
+HugePages_Free:        0
+HugePages_Rsvd:        0
+HugePages_Surp:        0
+Hugepagesize:       2048 kB)meminfo";
+
+    TemporaryFile tf;
+    ::android::base::WriteStringToFd(meminfo, tf.fd);
+
+    uint64_t mem[MEMINFO_COUNT];
+    for (auto _ : state) {
+        get_mem_info(mem, tf.path);
+    }
+}
+BENCHMARK(BM_ParseSysMemInfo);
+
+static void BM_ReadMemInfo(benchmark::State& state) {
+    std::string meminfo = R"meminfo(MemTotal:        3019740 kB
+MemFree:         1809728 kB
+MemAvailable:    2546560 kB
+Buffers:           54736 kB
+Cached:           776052 kB
+SwapCached:            0 kB
+Active:           445856 kB
+Inactive:         459092 kB
+Active(anon):      78492 kB
+Inactive(anon):     2240 kB
+Active(file):     367364 kB
+Inactive(file):   456852 kB
+Unevictable:        3096 kB
+Mlocked:            3096 kB
+SwapTotal:             0 kB
+SwapFree:              0 kB
+Dirty:                32 kB
+Writeback:             0 kB
+AnonPages:         74988 kB
+Mapped:            62624 kB
+Shmem:              4020 kB
+Slab:              86464 kB
+SReclaimable:      44432 kB
+SUnreclaim:        42032 kB
+KernelStack:        4880 kB
+PageTables:         2900 kB
+NFS_Unstable:          0 kB
+Bounce:                0 kB
+WritebackTmp:          0 kB
+CommitLimit:     1509868 kB
+Committed_AS:      80296 kB
+VmallocTotal:   263061440 kB
+VmallocUsed:           0 kB
+VmallocChunk:          0 kB
+AnonHugePages:      6144 kB
+ShmemHugePages:        0 kB
+ShmemPmdMapped:        0 kB
+CmaTotal:         131072 kB
+CmaFree:          130380 kB
+HugePages_Total:       0
+HugePages_Free:        0
+HugePages_Rsvd:        0
+HugePages_Surp:        0
+Hugepagesize:       2048 kB)meminfo";
+
+    TemporaryFile tf;
+    android::base::WriteStringToFd(meminfo, tf.fd);
+
+    std::string file = std::string(tf.path);
+    ::android::meminfo::SysMemInfo mi;
+    for (auto _ : state) {
+        mi.ReadMemInfo(file);
+    }
+}
+BENCHMARK(BM_ReadMemInfo);
+
+BENCHMARK_MAIN();