Lines Matching refs:overhead
27 This programme will determine the context switch (scheduling) overhead on
102 signed long overhead, total_diffs;
186 /* Determine overhead. Do it in a loop=2. The first iteration should warm
187 the cache, the second will compute the overhead */
204 overhead = 1000000 * (after.tv_sec - before.tv_sec);
205 overhead += after.tv_usec - before.tv_usec;
249 fprintf(stderr, "Syscall%s overhead: %.1f us\n", frob_fpu ? "/FPU" : "",
250 (double)overhead / 20.0);
252 fprintf(stderr, "Num switches during overhead check: %lu\n",
255 (double)min_diff / 20.0, (double)(min_diff - overhead) / 20.0);
258 (double)median / 20.0, (double)(median - overhead) / 20.0);
261 (double)(total_diffs - overhead * MAX_ITERATIONS) /
264 (double)max_diff / 20.0, (double)(max_diff - overhead) / 20.0);
