Lines Matching defs:tc

18 u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc)
22 	t = ns - tc->time_zero;
23 	quot = t / tc->time_mult;
24 	rem  = t % tc->time_mult;
25 	return (quot << tc->time_shift) +
26 	       (rem << tc->time_shift) / tc->time_mult;
29 u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc)
33 	if (tc->cap_user_time_short)
34 		cyc = tc->time_cycles +
35 			((cyc - tc->time_cycles) & tc->time_mask);
37 	quot = cyc >> tc->time_shift;
38 	rem  = cyc & (((u64)1 << tc->time_shift) - 1);
39 	return tc->time_zero + quot * tc->time_mult +
40 	       ((rem * tc->time_mult) >> tc->time_shift);
44 			     struct perf_tsc_conversion *tc)
52 		tc->time_mult = pc->time_mult;
53 		tc->time_shift = pc->time_shift;
54 		tc->time_zero = pc->time_zero;
55 		tc->time_cycles = pc->time_cycles;
56 		tc->time_mask = pc->time_mask;
57 		tc->cap_user_time_zero = pc->cap_user_time_zero;
58 		tc->cap_user_time_short	= pc->cap_user_time_short;
68 	if (!tc->cap_user_time_zero)
87 	struct perf_tsc_conversion tc;
92 	err = perf_read_tsc_conversion(pc, &tc);
100 	event.time_conv.time_mult  = tc.time_mult;
101 	event.time_conv.time_shift = tc.time_shift;
102 	event.time_conv.time_zero  = tc.time_zero;
103 	event.time_conv.time_cycles = tc.time_cycles;
104 	event.time_conv.time_mask = tc.time_mask;
105 	event.time_conv.cap_user_time_zero = tc.cap_user_time_zero;
106 	event.time_conv.cap_user_time_short = tc.cap_user_time_short;
118 	struct perf_record_time_conv *tc = (struct perf_record_time_conv *)event;
121 	ret  = fprintf(fp, "\n... Time Shift      %" PRI_lu64 "\n", tc->time_shift);
122 	ret += fprintf(fp, "... Time Multiplier %" PRI_lu64 "\n", tc->time_mult);
123 	ret += fprintf(fp, "... Time Zero       %" PRI_lu64 "\n", tc->time_zero);
130 	if (event_contains(*tc, time_cycles)) {
132 			       tc->time_cycles);
134 			       tc->time_mask);
136 			       tc->cap_user_time_zero);
138 			       tc->cap_user_time_short);