559     auto piddir = procdir + std::to_string(tid) + "/stat";  in llkPanicKernel()  local
560     if (access(piddir.c_str(), F_OK) != 0) {  in llkPanicKernel()
561         PLOG(WARNING) << piddir;  in llkPanicKernel()
759 bool getValidTidDir(dirent* dp, std::string* piddir) {  in getValidTidDir()  argument
768             *piddir = procdir;  in getValidTidDir()
769             *piddir += dp->d_name;  in getValidTidDir()
770             return (lstat(piddir->c_str(), &st) == 0) && (st.st_mode & S_IFDIR);  in getValidTidDir()
775     *piddir = procdir;  in getValidTidDir()
776     *piddir += dp->d_name;  in getValidTidDir()
805 bool llkCheckStack(proc* procp, const std::string& piddir) {  in llkCheckStack()  argument
815     auto kernel_stack = ReadFile(piddir + "/stack");  in llkCheckStack()
817         LOG(VERBOSE) << piddir << "/stack empty comm=" << procp->getComm()  in llkCheckStack()
849 void llkCheckSchedUpdate(proc* procp, const std::string& piddir) {  in llkCheckSchedUpdate()  argument
859     std::string schedString = ReadFile(piddir + "/sched");  in llkCheckSchedUpdate()
864         schedString = ReadFile(piddir + "/schedstat");  in llkCheckSchedUpdate()
1002         std::string piddir;  in llkCheck()  local
1004         if (!getValidTidDir(dp, &piddir)) {  in llkCheck()
1009         std::string taskdir = piddir + "/task/";  in llkCheck()
1018             if (!getValidTidDir(tp, &piddir)) {  in llkCheck()
1023             std::string stat = ReadFile(piddir + "/stat");  in llkCheck()
1051             auto cgroup = ReadFile(piddir + "/cgroup");  in llkCheck()
1135             llkCheckSchedUpdate(procp, piddir);  in llkCheck()
1138             auto stuck = llkCheckStack(procp, piddir);  in llkCheck()
1212                 std::string piddir;  in llkCheck()  local
1213                 if (getValidTidDir(tp, &piddir))  in llkCheck()
1214                     threads.push_back(android::base::Basename(piddir));  in llkCheck()