Merge "fs_mgr: overlay: wait for logical partition to be created"
diff --git a/libmeminfo/tools/procrank.cpp b/libmeminfo/tools/procrank.cpp
index 21a684c..5e89254 100644
--- a/libmeminfo/tools/procrank.cpp
+++ b/libmeminfo/tools/procrank.cpp
@@ -14,11 +14,17 @@
* limitations under the License.
*/
+#include <android-base/file.h>
+#include <android-base/parseint.h>
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
#include <dirent.h>
#include <errno.h>
#include <inttypes.h>
#include <linux/kernel-page-flags.h>
#include <linux/oom.h>
+#include <meminfo/procmeminfo.h>
+#include <meminfo/sysmeminfo.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
@@ -29,14 +35,6 @@
#include <sstream>
#include <vector>
-#include <android-base/file.h>
-#include <android-base/parseint.h>
-#include <android-base/stringprintf.h>
-#include <android-base/strings.h>
-
-#include <meminfo/procmeminfo.h>
-#include <meminfo/sysmeminfo.h>
-
using ::android::meminfo::MemUsage;
using ::android::meminfo::ProcMemInfo;
@@ -460,8 +458,16 @@
auto mark_swap_usage = [&](pid_t pid) -> bool {
ProcessRecord proc(pid, show_wss, pgflags, pgflags_mask);
if (!proc.valid()) {
- std::cerr << "Failed to create process record for: " << pid << std::endl;
- return false;
+ // Check to see if the process is still around, skip the process if the proc
+ // directory is inaccessible. It was most likely killed while creating the process
+ // record
+ std::string procdir = ::android::base::StringPrintf("/proc/%d", pid);
+ if (access(procdir.c_str(), F_OK | R_OK)) return true;
+
+ // Warn if we failed to gather process stats even while it is still alive.
+ // Return success here, so we continue to print stats for other processes.
+ std::cerr << "warning: failed to create process record for: " << pid << std::endl;
+ return true;
}
// Skip processes with no memory mappings
@@ -479,9 +485,9 @@
return true;
};
- // Get a list of all pids currently running in the system in
- // 1st pass through all processes. Mark each swap offset used by the process as we find them
- // for calculating proportional swap usage later.
+ // Get a list of all pids currently running in the system in 1st pass through all processes.
+ // Mark each swap offset used by the process as we find them for calculating proportional
+ // swap usage later.
if (!read_all_pids(&pids, mark_swap_usage)) {
std::cerr << "Failed to read all pids from the system" << std::endl;
exit(EXIT_FAILURE);
