38 void pt_time_init(struct pt_time *time)  in pt_time_init()  argument
40 	if (!time)  in pt_time_init()
43 	memset(time, 0, sizeof(*time));  in pt_time_init()
47 		      uint32_t *lost_cyc, const struct pt_time *time)  in pt_time_query_tsc()  argument
49 	if (!tsc || !time)  in pt_time_query_tsc()
52 	*tsc = time->tsc;  in pt_time_query_tsc()
55 		*lost_mtc = time->lost_mtc;  in pt_time_query_tsc()
57 		*lost_cyc = time->lost_cyc;  in pt_time_query_tsc()
59 	if (!time->have_tsc)  in pt_time_query_tsc()
65 int pt_time_query_cbr(uint32_t *cbr, const struct pt_time *time)  in pt_time_query_cbr()  argument
67 	if (!cbr || !time)  in pt_time_query_cbr()
70 	if (!time->have_cbr)  in pt_time_query_cbr()
73 	*cbr = time->cbr;  in pt_time_query_cbr()
130 int pt_time_update_tsc(struct pt_time *time,  in pt_time_update_tsc()  argument
136 	if (!time || !packet)  in pt_time_update_tsc()
139 	time->have_tsc = 1;  in pt_time_update_tsc()
140 	time->have_tma = 0;  in pt_time_update_tsc()
141 	time->have_mtc = 0;  in pt_time_update_tsc()
142 	time->tsc = time->base = packet->tsc;  in pt_time_update_tsc()
143 	time->ctc = 0;  in pt_time_update_tsc()
144 	time->fc = 0ull;  in pt_time_update_tsc()
146 	/* We got the full time; we recover from previous losses. */  in pt_time_update_tsc()
147 	time->lost_mtc = 0;  in pt_time_update_tsc()
148 	time->lost_cyc = 0;  in pt_time_update_tsc()
153 int pt_time_update_cbr(struct pt_time *time,  in pt_time_update_cbr()  argument
161 	if (!time || !packet)  in pt_time_update_cbr()
168 	time->have_cbr = 1;  in pt_time_update_cbr()
169 	time->cbr = cbr;  in pt_time_update_cbr()
174 int pt_time_update_tma(struct pt_time *time,  in pt_time_update_tma()  argument
181 	if (!time || !packet || !config)  in pt_time_update_tma()
185 	if (!time->have_tsc)  in pt_time_update_tma()
189 	if (time->have_tma)  in pt_time_update_tma()
193 	if (time->have_mtc)  in pt_time_update_tma()
207 	time->have_tma = 1;  in pt_time_update_tma()
208 	time->base -= fc;  in pt_time_update_tma()
209 	time->fc += fc;  in pt_time_update_tma()
226 		time->have_mtc = 1;  in pt_time_update_tma()
229 	time->ctc = time->ctc_cyc = ctc & ctc_mask;  in pt_time_update_tma()
234 int pt_time_update_mtc(struct pt_time *time,  in pt_time_update_mtc()  argument
243 	if (!time || !packet || !config)  in pt_time_update_mtc()
246 	have_tsc = time->have_tsc;  in pt_time_update_mtc()
247 	have_tma = time->have_tma;  in pt_time_update_mtc()
248 	have_mtc = time->have_mtc;  in pt_time_update_mtc()
252 	 * Later MTCs will ensure that no time is lost - provided TMA provides  in pt_time_update_mtc()
259 	base = time->base;  in pt_time_update_mtc()
260 	last_ctc = time->ctc;  in pt_time_update_mtc()
266 	if (time->fc || time->lost_cyc || !have_mtc)  in pt_time_update_mtc()
267 		time->ctc_cyc = ctc;  in pt_time_update_mtc()
270 	time->have_mtc = 1;  in pt_time_update_mtc()
271 	time->fc = 0ull;  in pt_time_update_mtc()
272 	time->ctc = ctc;  in pt_time_update_mtc()
275 	time->lost_cyc = 0;  in pt_time_update_mtc()
327 		time->lost_mtc += 1;  in pt_time_update_mtc()
336 	time->tsc = time->base = base;  in pt_time_update_mtc()
359 static int pt_time_adjust_cyc(uint64_t *cyc, const struct pt_time *time,  in pt_time_adjust_cyc()  argument
366 	if (!time || !config || !fcr)  in pt_time_adjust_cyc()
369 	last_ctc = time->ctc_cyc;  in pt_time_adjust_cyc()
370 	ctc = time->ctc;  in pt_time_adjust_cyc()
408 int pt_time_update_cyc(struct pt_time *time,  in pt_time_update_cyc()  argument
414 	if (!time || !packet || !config)  in pt_time_update_cyc()
418 		time->lost_cyc += 1;  in pt_time_update_cyc()
423 	fc = time->fc;  in pt_time_update_cyc()
427 		errcode = pt_time_adjust_cyc(&cyc, time, config, fcr);  in pt_time_update_cyc()
434 	time->fc = fc;  in pt_time_update_cyc()
435 	time->tsc = time->base + fc;  in pt_time_update_cyc()
508 	/* A TSC outside of PSB+ may indicate loss of time.  We do not use it  in pt_tcal_update_tsc()