63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
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* dirtyPages.c
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*
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* Created on: Oct 12, 2009
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* Author: sears
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*/
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#include <stasis/transactional.h>
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#include <pthread.h>
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#include <stdio.h>
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char * usage = "%s numthreads numops\n";
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stasis_dirty_page_table_t * dpt;
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unsigned long numops;
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unsigned long numthreads;
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Page ** p;
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static void* worker(void* arg) {
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Page * p = arg;
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for(unsigned long i = 0; i < numops; i++) {
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writelock(p->rwlatch,0);
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stasis_dirty_page_table_set_dirty(dpt, p);
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unlock(p->rwlatch);
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}
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return 0;
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}
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int main(int argc, char * argv[]) {
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if(argc != 3) { printf(usage, argv[0]); abort(); }
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char * endptr;
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numthreads = strtoul(argv[1], &endptr, 10);
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if(*endptr != 0) { printf(usage, argv[0]); abort(); }
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numops= strtoul(argv[2], &endptr, 10) / numthreads;
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if(*endptr != 0) { printf(usage, argv[0]); abort(); }
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pthread_t workers[numthreads];
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p = malloc(sizeof(Page *) * numthreads);
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Tinit();
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dpt = stasis_runtime_dirty_page_table();
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for(int i = 0; i < numthreads; i++) {
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p[i] = loadPage(-1, i);
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}
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for(int i = 0; i < numthreads; i++) {
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pthread_create(&workers[i], 0, worker, p[i]);
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}
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for(int i = 0; i < numthreads; i++) {
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pthread_join(workers[i], 0);
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}
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for(int i = 0; i < numthreads; i++) {
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releasePage(p[i]);
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}
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Tdeinit();
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}
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