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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-07-29 08:21:15 +03:00
Reformat all code to coding standard
This commit is contained in:
Andrew Hutchings
@ -10,18 +10,20 @@
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using namespace std;
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void timespec_sub(const struct timespec &tv1,
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const struct timespec &tv2,
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struct timespec &diff)
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void timespec_sub(const struct timespec& tv1,
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const struct timespec& tv2,
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struct timespec& diff)
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{
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if (tv2.tv_nsec < tv1.tv_nsec) {
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diff.tv_sec = tv2.tv_sec - tv1.tv_sec - 1;
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diff.tv_nsec = tv1.tv_nsec - tv2.tv_nsec;
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}
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else {
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diff.tv_sec = tv2.tv_sec - tv1.tv_sec;
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diff.tv_nsec = tv2.tv_nsec - tv1.tv_nsec;
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}
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if (tv2.tv_nsec < tv1.tv_nsec)
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{
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diff.tv_sec = tv2.tv_sec - tv1.tv_sec - 1;
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diff.tv_nsec = tv1.tv_nsec - tv2.tv_nsec;
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}
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else
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{
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diff.tv_sec = tv2.tv_sec - tv1.tv_sec;
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diff.tv_nsec = tv2.tv_nsec - tv1.tv_nsec;
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}
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}
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// TODO:
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@ -31,146 +33,163 @@ void timespec_sub(const struct timespec &tv1,
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// main()
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//
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int main(int argc, char **argv)
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int main(int argc, char** argv)
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{
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uint64_t acc=0;
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uint64_t readBlocks=0; // read size ib blocks
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uint64_t readSize=0; // read size ib bytes
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uint64_t readBufferSz=0;
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const uint64_t blockSize=8192;
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char* alignedbuff=0;
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boost::scoped_array<char> realbuff;
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const unsigned pageSize = 4096; //getpagesize();
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WriteEngine::FileOp fFileOp;
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BRM::OID_t oid;
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char fname[256];
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struct timespec tm;
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struct timespec tm2;
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struct timespec tm3;
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struct timespec starttm;
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struct timespec endtm;
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struct timespec tottm;
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bool odirect=true;
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int fd = 0;
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char response='Y';
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uint64_t acc = 0;
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uint64_t readBlocks = 0; // read size ib blocks
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uint64_t readSize = 0; // read size ib bytes
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uint64_t readBufferSz = 0;
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const uint64_t blockSize = 8192;
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char* alignedbuff = 0;
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boost::scoped_array<char> realbuff;
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const unsigned pageSize = 4096; //getpagesize();
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WriteEngine::FileOp fFileOp;
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BRM::OID_t oid;
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char fname[256];
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struct timespec tm;
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struct timespec tm2;
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struct timespec tm3;
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struct timespec starttm;
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struct timespec endtm;
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struct timespec tottm;
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bool odirect = true;
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int fd = 0;
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char response = 'Y';
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if (argc <= 1) {
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cerr << "usage: testread <oid> <buffer size in blocks>" << endl;
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return -1;
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}
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if (argc <= 1)
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{
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cerr << "usage: testread <oid> <buffer size in blocks>" << endl;
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return -1;
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}
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oid=atoi(argv[1]);
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if (oid <=0)
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exit(-1);
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oid = atoi(argv[1]);
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if (argc >=2) {
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readBlocks = atoi(argv[2]);
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if (readBlocks <= 0)
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readBlocks = 8;
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}
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if (oid <= 0)
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exit(-1);
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if (argc >=4) {
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odirect=false;
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}
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if (argc >= 2)
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{
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readBlocks = atoi(argv[2]);
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readSize=readBlocks*blockSize;
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readBufferSz=readSize+pageSize;
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if (readBlocks <= 0)
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readBlocks = 8;
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}
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realbuff.reset(new char[readBufferSz]);
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if (realbuff.get() == 0) {
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cerr << "thr_popper: Can't allocate space for a whole extent in memory" << endl;
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return 0;
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}
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if (argc >= 4)
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{
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odirect = false;
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}
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if (fFileOp.getFileName(oid, fname) != WriteEngine::NO_ERROR) {
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fname[0]=0;
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throw std::runtime_error("fileOp.getFileName failed");
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}
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else {
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cout << "Reading oid: " << oid << " od: " << odirect << " file: " << fname << endl;
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}
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readSize = readBlocks * blockSize;
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readBufferSz = readSize + pageSize;
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realbuff.reset(new char[readBufferSz]);
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if (realbuff.get() == 0)
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{
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cerr << "thr_popper: Can't allocate space for a whole extent in memory" << endl;
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return 0;
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}
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if (fFileOp.getFileName(oid, fname) != WriteEngine::NO_ERROR)
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{
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fname[0] = 0;
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throw std::runtime_error("fileOp.getFileName failed");
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}
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else
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{
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cout << "Reading oid: " << oid << " od: " << odirect << " file: " << fname << endl;
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}
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#if __LP64__
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alignedbuff=(char*)((((ptrdiff_t)realbuff.get() >> 12) << 12) + pageSize);
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alignedbuff = (char*)((((ptrdiff_t)realbuff.get() >> 12) << 12) + pageSize);
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#else
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alignedbuff=(char*)(((((ptrdiff_t)realbuff.get() >> 12) << 12) & 0xffffffff) + pageSize);
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alignedbuff = (char*)(((((ptrdiff_t)realbuff.get() >> 12) << 12) & 0xffffffff) + pageSize);
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#endif
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idbassert(((ptrdiff_t)alignedbuff - (ptrdiff_t)realbuff.get()) < (ptrdiff_t)pageSize);
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idbassert(((ptrdiff_t)alignedbuff % pageSize) == 0);
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idbassert(((ptrdiff_t)alignedbuff - (ptrdiff_t)realbuff.get()) < (ptrdiff_t)pageSize);
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idbassert(((ptrdiff_t)alignedbuff % pageSize) == 0);
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if (odirect)
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fd=open(fname, O_RDONLY|O_DIRECT|O_LARGEFILE|O_NOATIME);
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else
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fd=open(fname, O_RDONLY|O_LARGEFILE|O_NOATIME);
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if (odirect)
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fd = open(fname, O_RDONLY | O_DIRECT | O_LARGEFILE | O_NOATIME);
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else
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fd = open(fname, O_RDONLY | O_LARGEFILE | O_NOATIME);
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if (fd<0) {
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cerr << "Open failed" << endl;
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perror("open");
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throw runtime_error("Error opening file");
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}
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if (fd < 0)
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{
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cerr << "Open failed" << endl;
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perror("open");
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throw runtime_error("Error opening file");
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}
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while (toupper(response) != 'N') {
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uint64_t i=1;
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uint64_t rCnt=0;
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clock_gettime(CLOCK_REALTIME, &starttm);
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while (i!=0) {
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//clock_gettime(CLOCK_REALTIME, &tm);
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i = pread(fd, alignedbuff, readSize, acc);
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//clock_gettime(CLOCK_REALTIME, &tm2);
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idbassert(i==0||i==readSize);
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idbassert(i%pageSize==0);
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idbassert(acc%pageSize==0);
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if (i < 0 && errno == EINTR) {
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timespec_sub(tm, tm2, tm3);
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cout << "* "
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<< i << " "
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<< right << setw(2) << setfill(' ') << tm3.tv_sec << "."
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<< right << setw(9) << setfill('0') << tm3.tv_nsec
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<< endl;
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continue;
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}
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else if (i < 0) {
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timespec_sub(tm, tm2, tm3);
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cout << "* i: "
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<< i << " sz: " << readSize << " acc: " << acc
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<< right << setw(2) << setfill(' ') << tm3.tv_sec << " "
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<< right << tm3.tv_nsec
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<< endl;
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perror("pread");
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//make loop exit
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i=0;
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}
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while (toupper(response) != 'N')
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{
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uint64_t i = 1;
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uint64_t rCnt = 0;
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clock_gettime(CLOCK_REALTIME, &starttm);
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acc += i;
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if (i>0)
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rCnt++;
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while (i != 0)
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{
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//clock_gettime(CLOCK_REALTIME, &tm);
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i = pread(fd, alignedbuff, readSize, acc);
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//clock_gettime(CLOCK_REALTIME, &tm2);
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idbassert(i == 0 || i == readSize);
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idbassert(i % pageSize == 0);
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idbassert(acc % pageSize == 0);
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//timespec_sub(tm, tm2, tm3);
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//cout
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// << i << " "
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// << right << setw(2) << setfill(' ') << tm3.tv_sec << " "
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// << right << tm3.tv_nsec
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// << endl;
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if (i < 0 && errno == EINTR)
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{
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timespec_sub(tm, tm2, tm3);
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cout << "* "
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<< i << " "
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<< right << setw(2) << setfill(' ') << tm3.tv_sec << "."
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<< right << setw(9) << setfill('0') << tm3.tv_nsec
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<< endl;
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continue;
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}
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else if (i < 0)
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{
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timespec_sub(tm, tm2, tm3);
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cout << "* i: "
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<< i << " sz: " << readSize << " acc: " << acc
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<< right << setw(2) << setfill(' ') << tm3.tv_sec << " "
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<< right << tm3.tv_nsec
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<< endl;
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perror("pread");
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//make loop exit
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i = 0;
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}
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} // while(acc...
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acc += i;
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clock_gettime(CLOCK_REALTIME, &endtm);
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timespec_sub(starttm, endtm, tottm);
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if (i > 0)
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rCnt++;
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cout << "Total reads: " << rCnt
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<< " sz: " << acc/(1024*1024) << "MB"
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<< " tm: " << tottm.tv_sec << "secs "
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<< tottm.tv_nsec << "ns"
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<< endl;
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//timespec_sub(tm, tm2, tm3);
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//cout
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// << i << " "
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// << right << setw(2) << setfill(' ') << tm3.tv_sec << " "
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// << right << tm3.tv_nsec
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// << endl;
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cout << "Repeat the last scan[Y,N]?" << endl;
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cin >> response;
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acc=0;
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} // while response...
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} // while(acc...
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close(fd);
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return 0;
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clock_gettime(CLOCK_REALTIME, &endtm);
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timespec_sub(starttm, endtm, tottm);
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cout << "Total reads: " << rCnt
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<< " sz: " << acc / (1024 * 1024) << "MB"
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<< " tm: " << tottm.tv_sec << "secs "
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<< tottm.tv_nsec << "ns"
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<< endl;
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cout << "Repeat the last scan[Y,N]?" << endl;
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cin >> response;
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acc = 0;
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} // while response...
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close(fd);
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return 0;
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} //main
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