Merge "simpleperf: handle memfds created by memfd_create."

2 files changed, 4 insertions, 1 deletions

diff --git a/simpleperf/environment.cpp b/simpleperf/environment.cpp
index eed4ee42..507859ec 100644
--- a/simpleperf/environment.cpp
+++ b/simpleperf/environment.cpp
@@ -840,10 +840,12 @@ bool MappedFileOnlyExistInMemory(const char* filename) {
   //   [stack]
   //   /dev/*
   //   //anon: generated by kernel/events/core.c.
+  //   /memfd: created by memfd_create.
   return filename[0] == '\0' ||
            (filename[0] == '[' && strcmp(filename, "[vdso]") != 0) ||
             strncmp(filename, "//", 2) == 0 ||
-            strncmp(filename, "/dev/", 5) == 0;
+            strncmp(filename, "/dev/", 5) == 0 ||
+            strncmp(filename, "/memfd:", 7) == 0;
 }
 
 std::string GetCompleteProcessName(pid_t pid) {
diff --git a/simpleperf/environment_test.cpp b/simpleperf/environment_test.cpp
index 8e9f1c8f..045194c3 100644
--- a/simpleperf/environment_test.cpp
+++ b/simpleperf/environment_test.cpp
@@ -59,6 +59,7 @@ TEST(environment, MappedFileOnlyExistInMemory) {
   ASSERT_FALSE(MappedFileOnlyExistInMemory("[vdso]"));
   ASSERT_TRUE(MappedFileOnlyExistInMemory("/dev/__properties__/u:object_r"));
   ASSERT_TRUE(MappedFileOnlyExistInMemory("//anon"));
+  ASSERT_TRUE(MappedFileOnlyExistInMemory("/memfd:/jit-cache"));
   ASSERT_FALSE(MappedFileOnlyExistInMemory("./TemporaryFile-12345"));
   ASSERT_FALSE(MappedFileOnlyExistInMemory("/system/lib64/libc.so"));
 }