39 	i = finish.tv_sec - start.tv_sec;  in timing()
41 	i += finish.tv_nsec - start.tv_nsec;  in timing()
43 	ksft_print_msg("%lu.%09lu - %lu.%09lu = %llu (%.1fs)\n",  in timing()
71 		i = finish.tv_sec - start.tv_sec;  in calibrate()
73 		i += finish.tv_nsec - start.tv_nsec;  in calibrate()
86 	double two = i_two, two_bump = two * 0.1;  in approx()  local
89 	two_bump = two + MAX(two_bump, 2.0);  in approx()
92 	if (one == two ||  in approx()
93 	    (one > two && one <= two_bump) ||  in approx()
94 	    (two > one && two <= one_bump))  in approx()
107 	     unsigned long long one, bool (*eval)(int, int), unsigned long long two,  in compare()  argument
119 		       (long long)one, name_eval, (long long)two);  in compare()
125 	if (two > INT_MAX) {  in compare()
126 		ksft_print_msg("Miscalculation! Measurement went negative: %lld\n", (long long)two);  in compare()
131 	good = eval(one, two);  in compare()
152 	for (cpu = ncores - 1; cpu >= 0; cpu--) {  in affinity()
155 		if (sched_setaffinity(getpid(), setsz, setp) == -1)  in affinity()
160 	fprintf(stderr, "Could not set CPU affinity -- calibration may not work well");  in affinity()
198 	system("uname -a");  in main()
203 	system("grep -H . /proc/sys/net/core/bpf_jit_enable");  in main()
205 	system("grep -H . /proc/sys/net/core/bpf_jit_harden");  in main()
262 		 bitmap1 - native);  in main()
264 		 bitmap2 - native);  in main()
266 		 filter1 - native);  in main()
268 		 filter2 - native);  in main()
270 		 bitmap1 - native - (bitmap2 - bitmap1));  in main()
271 	ESTIMATE("seccomp per-filter overhead (last 2 diff)", per_filter1,  in main()
272 		 filter2 - filter1);  in main()
273 	ESTIMATE("seccomp per-filter overhead (filters / 4)", per_filter2,  in main()
274 		 (filter2 - native - entry) / 4);  in main()
284 	ret |= compare("per-filter (last 2 diff)", "≈", "per-filter (filters / 4)",  in main()
288 		       bitmap1 - native, approx, bitmap2 - native, skip);  in main()
295 		       bitmap1 - native, skip);  in main()
297 		       bitmap2 - native, skip);  in main()