58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#include "lsn_bench_common.h"
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int main (int argc, char ** argv) {
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unlink("storefile.txt");
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unlink("logfile.txt");
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char * mode = argv[1];
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long long num_rids = atoll(argv[2]);
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long long num_xacts = atoll(argv[3]);
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long long writes_per_xact = atoll(argv[4]);
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recordid * rids;
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recordid * fast;
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cached_addr * cache;
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int writeback = !(strcmp(mode, "writeback")&&strcmp(mode,"writeback-net"));
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// stasis_truncation_automatic = 0;
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Tinit();
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alloc_rids(num_rids,&rids,&fast);
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if(!(strcmp(mode, "normal-net")&&strcmp(mode,"writeback-net"))) {
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emulate_remote_pages();
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}
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if(writeback) {
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build_cache(rids,&cache,num_rids);
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}
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lsn_t last_lsn = 0;
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for(long long i = 0; i < num_xacts; i++) {
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int xid = Tbegin();
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for(long long j = 0; j < writes_per_xact; j++) {
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long long idx = ((i*writes_per_xact)+j)%num_rids;
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if(!(strcmp(mode, "normal")&&strcmp(mode, "normal-net"))) {
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TsetLsnFree(xid, rids[idx], &j);
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} else {
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assert(writeback);
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int old = cache[idx].val;
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cache[idx].val = j;
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last_lsn = TsetWriteBack(xid, cache[idx].pid,cache[idx].off,
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cache[idx].len,&j,&old);
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}
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}
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Tcommit(xid);
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}
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// XXX hack; really, want to register upcall in buffermanager...
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if(writeback) {
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for(long long i = 0; i < num_rids; i++) {
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Page *p = loadPage(-1, rids[i].page);
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writelock(p->rwlatch,0);
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stasis_record_write(-1, p, last_lsn, rids[i], (byte*)&cache[i].val);
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unlock(p->rwlatch);
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releasePage(p);
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releasePage(p);
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}
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}
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Tdeinit();
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}
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