420 				       struct perf_probe_event *pev,  in get_alternative_probe_event()  argument
425 	memcpy(tmp, &pev->point, sizeof(*tmp));  in get_alternative_probe_event()
426 	memset(&pev->point, 0, sizeof(pev->point));  in get_alternative_probe_event()
427 	ret = find_alternative_probe_point(dinfo, tmp, &pev->point, pev->target,  in get_alternative_probe_event()
428 					   pev->nsi, pev->uprobes);  in get_alternative_probe_event()
430 		memcpy(&pev->point, tmp, sizeof(*tmp));  in get_alternative_probe_event()
859 arch__post_process_probe_trace_events(struct perf_probe_event *pev __maybe_unused,  in arch__post_process_probe_trace_events()
865 static int post_process_probe_trace_events(struct perf_probe_event *pev,  in post_process_probe_trace_events()  argument
874 						     pev->nsi);  in post_process_probe_trace_events()
883 		arch__post_process_probe_trace_events(pev, ntevs);  in post_process_probe_trace_events()
889 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
892 	bool need_dwarf = perf_probe_event_need_dwarf(pev);  in try_to_find_probe_trace_events()
897 	dinfo = open_debuginfo(pev->target, pev->nsi, !need_dwarf);  in try_to_find_probe_trace_events()
907 	ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
910 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in try_to_find_probe_trace_events()
912 			ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
917 			clear_perf_probe_point(&pev->point);  in try_to_find_probe_trace_events()
918 			memcpy(&pev->point, &tmp, sizeof(tmp));  in try_to_find_probe_trace_events()
924 		ret = post_process_probe_trace_events(pev, *tevs, ntevs,  in try_to_find_probe_trace_events()
925 					pev->target, pev->uprobes, dinfo);  in try_to_find_probe_trace_events()
938 			   synthesize_perf_probe_point(&pev->point));  in try_to_find_probe_trace_events()
1117 				  struct perf_probe_event *pev,  in show_available_vars_at()  argument
1127 	buf = synthesize_perf_probe_point(&pev->point);  in show_available_vars_at()
1132 	ret = debuginfo__find_available_vars_at(dinfo, pev, &vls);  in show_available_vars_at()
1134 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in show_available_vars_at()
1136 			ret = debuginfo__find_available_vars_at(dinfo, pev,  in show_available_vars_at()
1224 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
1227 	if (perf_probe_event_need_dwarf(pev)) {  in try_to_find_probe_trace_events()
1381 static int parse_perf_probe_event_name(char **arg, struct perf_probe_event *pev)  in parse_perf_probe_event_name()  argument
1388 		if (!pev->sdt && !is_c_func_name(*arg))  in parse_perf_probe_event_name()
1390 		pev->group = strdup_esc(*arg);  in parse_perf_probe_event_name()
1391 		if (!pev->group)  in parse_perf_probe_event_name()
1395 		pev->group = NULL;  in parse_perf_probe_event_name()
1397 	pev->event = strdup_esc(*arg);  in parse_perf_probe_event_name()
1398 	if (pev->event == NULL)  in parse_perf_probe_event_name()
1401 	if (!pev->sdt && !is_c_func_name(pev->event)) {  in parse_perf_probe_event_name()
1402 		zfree(&pev->event);  in parse_perf_probe_event_name()
1404 		zfree(&pev->group);  in parse_perf_probe_event_name()
1413 static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev)  in parse_perf_probe_point()  argument
1415 	struct perf_probe_point *pp = &pev->point;  in parse_perf_probe_point()
1431 		pev->sdt = true;  in parse_perf_probe_point()
1437 	if (pev->sdt) {  in parse_perf_probe_point()
1447 				pev->target = build_id_cache__origname(tmp);  in parse_perf_probe_point()
1450 				pev->target = strdup_esc(ptr + 1);  in parse_perf_probe_point()
1451 			if (!pev->target)  in parse_perf_probe_point()
1455 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1457 			if (asprintf(&pev->point.function, "%%%s", pev->event) < 0)  in parse_perf_probe_point()
1466 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1737 int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)  in parse_perf_probe_command()  argument
1753 	ret = parse_perf_probe_point(argv[0], pev);  in parse_perf_probe_command()
1758 	if (!pev->event && pev->point.function && pev->point.line  in parse_perf_probe_command()
1759 			&& !pev->point.lazy_line && !pev->point.offset) {  in parse_perf_probe_command()
1760 		if (asprintf(&pev->event, "%s_L%d", pev->point.function,  in parse_perf_probe_command()
1761 			pev->point.line) < 0)  in parse_perf_probe_command()
1766 	pev->nargs = argc - 1;  in parse_perf_probe_command()
1767 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in parse_perf_probe_command()
1768 	if (pev->args == NULL) {  in parse_perf_probe_command()
1772 	for (i = 0; i < pev->nargs && ret >= 0; i++) {  in parse_perf_probe_command()
1773 		ret = parse_perf_probe_arg(argv[i + 1], &pev->args[i]);  in parse_perf_probe_command()
1775 		    is_c_varname(pev->args[i].var) && pev->point.retprobe) {  in parse_perf_probe_command()
1788 bool perf_probe_with_var(struct perf_probe_event *pev)  in perf_probe_with_var()  argument
1792 	for (i = 0; i < pev->nargs; i++)  in perf_probe_with_var()
1793 		if (is_c_varname(pev->args[i].var)              ||  in perf_probe_with_var()
1794 		    !strcmp(pev->args[i].var, PROBE_ARG_PARAMS) ||  in perf_probe_with_var()
1795 		    !strcmp(pev->args[i].var, PROBE_ARG_VARS))  in perf_probe_with_var()
1801 bool perf_probe_event_need_dwarf(struct perf_probe_event *pev)  in perf_probe_event_need_dwarf()  argument
1803 	if (pev->point.file || pev->point.line || pev->point.lazy_line)  in perf_probe_event_need_dwarf()
1806 	if (perf_probe_with_var(pev))  in perf_probe_event_need_dwarf()
2022 char *synthesize_perf_probe_command(struct perf_probe_event *pev)  in synthesize_perf_probe_command()  argument
2030 	if (pev->event)  in synthesize_perf_probe_command()
2031 		if (strbuf_addf(&buf, "%s:%s=", pev->group ?: PERFPROBE_GROUP,  in synthesize_perf_probe_command()
2032 				pev->event) < 0)  in synthesize_perf_probe_command()
2035 	tmp = synthesize_perf_probe_point(&pev->point);  in synthesize_perf_probe_command()
2040 	for (i = 0; i < pev->nargs; i++) {  in synthesize_perf_probe_command()
2041 		tmp = synthesize_perf_probe_arg(pev->args + i);  in synthesize_perf_probe_command()
2258 			       struct perf_probe_event *pev, bool is_kprobe)  in convert_to_perf_probe_event()  argument
2264 	pev->event = strdup(tev->event);  in convert_to_perf_probe_event()
2265 	pev->group = strdup(tev->group);  in convert_to_perf_probe_event()
2266 	if (pev->event == NULL || pev->group == NULL)  in convert_to_perf_probe_event()
2270 	ret = convert_to_perf_probe_point(&tev->point, &pev->point, is_kprobe);  in convert_to_perf_probe_event()
2275 	pev->nargs = tev->nargs;  in convert_to_perf_probe_event()
2276 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in convert_to_perf_probe_event()
2277 	if (pev->args == NULL)  in convert_to_perf_probe_event()
2281 			pev->args[i].name = strdup(tev->args[i].name);  in convert_to_perf_probe_event()
2286 			pev->args[i].name = strbuf_detach(&buf, NULL);  in convert_to_perf_probe_event()
2288 		if (pev->args[i].name == NULL && ret >= 0)  in convert_to_perf_probe_event()
2293 		clear_perf_probe_event(pev);  in convert_to_perf_probe_event()
2298 void clear_perf_probe_event(struct perf_probe_event *pev)  in clear_perf_probe_event()  argument
2303 	zfree(&pev->event);  in clear_perf_probe_event()
2304 	zfree(&pev->group);  in clear_perf_probe_event()
2305 	zfree(&pev->target);  in clear_perf_probe_event()
2306 	clear_perf_probe_point(&pev->point);  in clear_perf_probe_event()
2308 	for (i = 0; i < pev->nargs; i++) {  in clear_perf_probe_event()
2309 		zfree(&pev->args[i].name);  in clear_perf_probe_event()
2310 		zfree(&pev->args[i].var);  in clear_perf_probe_event()
2311 		zfree(&pev->args[i].type);  in clear_perf_probe_event()
2312 		field = pev->args[i].field;  in clear_perf_probe_event()
2320 	pev->nargs = 0;  in clear_perf_probe_event()
2321 	zfree(&pev->args);  in clear_perf_probe_event()
2533 				     struct perf_probe_event *pev,  in perf_probe_event__sprintf()  argument
2548 	buf = synthesize_perf_probe_point(&pev->point);  in perf_probe_event__sprintf()
2557 	if (!ret && pev->nargs > 0) {  in perf_probe_event__sprintf()
2559 		for (i = 0; !ret && i < pev->nargs; i++) {  in perf_probe_event__sprintf()
2560 			buf = synthesize_perf_probe_arg(&pev->args[i]);  in perf_probe_event__sprintf()
2575 			  struct perf_probe_event *pev,  in show_perf_probe_event()  argument
2581 	ret = perf_probe_event__sprintf(group, event, pev, module, &buf);  in show_perf_probe_event()
2613 	struct perf_probe_event pev;  in __show_perf_probe_events()  local
2618 	memset(&pev, 0, sizeof(pev));  in __show_perf_probe_events()
2629 			ret = convert_to_perf_probe_event(&tev, &pev,  in __show_perf_probe_events()
2633 			ret = show_perf_probe_event(pev.group, pev.event,  in __show_perf_probe_events()
2634 						    &pev, tev.point.module,  in __show_perf_probe_events()
2638 		clear_perf_probe_event(&pev);  in __show_perf_probe_events()
2776 				       struct perf_probe_event *pev,  in probe_trace_event__set_name()  argument
2785 	if (pev->event && !pev->sdt)  in probe_trace_event__set_name()
2786 		event = pev->event;  in probe_trace_event__set_name()
2791 		if (pev->point.function &&  in probe_trace_event__set_name()
2792 			(strncmp(pev->point.function, "0x", 2) != 0) &&  in probe_trace_event__set_name()
2793 			!strisglob(pev->point.function))  in probe_trace_event__set_name()
2794 			event = pev->point.function;  in probe_trace_event__set_name()
2798 	if (pev->group && !pev->sdt)  in probe_trace_event__set_name()
2799 		group = pev->group;  in probe_trace_event__set_name()
2847 static int __add_probe_trace_events(struct perf_probe_event *pev,  in __add_probe_trace_events()  argument
2857 	up = pev->uprobes ? 1 : 0;  in __add_probe_trace_events()
2873 		if (!tev->point.symbol && !pev->uprobes)  in __add_probe_trace_events()
2877 		ret = probe_trace_event__set_name(tev, pev, namelist[up],  in __add_probe_trace_events()
2882 		nsinfo__mountns_enter(pev->nsi, &nsc);  in __add_probe_trace_events()
2896 	if (ret == -EINVAL && pev->uprobes)  in __add_probe_trace_events()
2899 		cache = probe_cache__new(pev->target, pev->nsi);  in __add_probe_trace_events()
2901 		    probe_cache__add_entry(cache, pev, tevs, ntevs) < 0 ||  in __add_probe_trace_events()
2961 void __weak arch__fix_tev_from_maps(struct perf_probe_event *pev __maybe_unused,  in arch__fix_tev_from_maps()
2970 static int find_probe_trace_events_from_map(struct perf_probe_event *pev,  in find_probe_trace_events_from_map()  argument
2978 	struct perf_probe_point *pp = &pev->point;  in find_probe_trace_events_from_map()
2984 	map = get_target_map(pev->target, pev->nsi, pev->uprobes);  in find_probe_trace_events_from_map()
3003 			pev->target ? : "kernel");  in find_probe_trace_events_from_map()
3008 			pev->target ? : "kernel");  in find_probe_trace_events_from_map()
3014 	if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
3064 		if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
3078 		if (pev->target) {  in find_probe_trace_events_from_map()
3079 			if (pev->uprobes) {  in find_probe_trace_events_from_map()
3080 				tev->point.module = strdup_or_goto(pev->target,  in find_probe_trace_events_from_map()
3083 				mod_name = find_module_name(pev->target);  in find_probe_trace_events_from_map()
3085 					strdup(mod_name ? mod_name : pev->target);  in find_probe_trace_events_from_map()
3091 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_map()
3092 		tev->nargs = pev->nargs;  in find_probe_trace_events_from_map()
3100 			if (pev->args[i].name)  in find_probe_trace_events_from_map()
3102 					strdup_or_goto(pev->args[i].name,  in find_probe_trace_events_from_map()
3105 			tev->args[i].value = strdup_or_goto(pev->args[i].var,  in find_probe_trace_events_from_map()
3107 			if (pev->args[i].type)  in find_probe_trace_events_from_map()
3109 					strdup_or_goto(pev->args[i].type,  in find_probe_trace_events_from_map()
3112 		arch__fix_tev_from_maps(pev, tev, map, sym);  in find_probe_trace_events_from_map()
3132 static int try_to_find_absolute_address(struct perf_probe_event *pev,  in try_to_find_absolute_address()  argument
3135 	struct perf_probe_point *pp = &pev->point;  in try_to_find_absolute_address()
3140 	if (!(pev->point.function && !strncmp(pev->point.function, "0x", 2)))  in try_to_find_absolute_address()
3142 	if (perf_probe_event_need_dwarf(pev))  in try_to_find_absolute_address()
3163 	tp->address = pev->point.abs_address;  in try_to_find_absolute_address()
3165 	tev->uprobes = pev->uprobes;  in try_to_find_absolute_address()
3187 	if (pev->target) {  in try_to_find_absolute_address()
3188 		tp->module = strdup(pev->target);  in try_to_find_absolute_address()
3194 		tev->group = strdup(pev->group);  in try_to_find_absolute_address()
3199 	if (pev->event) {  in try_to_find_absolute_address()
3200 		tev->event = strdup(pev->event);  in try_to_find_absolute_address()
3205 	tev->nargs = pev->nargs;  in try_to_find_absolute_address()
3211 		copy_to_probe_trace_arg(&tev->args[i], &pev->args[i]);  in try_to_find_absolute_address()
3273 static int find_cached_events(struct perf_probe_event *pev,  in find_cached_events()  argument
3283 	cache = probe_cache__new(target, pev->nsi);  in find_cached_events()
3290 		if (!entry->pev.event || !entry->pev.group)  in find_cached_events()
3292 		if ((!pev->group || strglobmatch(entry->pev.group, pev->group)) &&  in find_cached_events()
3293 		    strglobmatch(entry->pev.event, pev->event)) {  in find_cached_events()
3309 			pev->uprobes = true;  in find_cached_events()
3316 static int find_cached_events_all(struct perf_probe_event *pev,  in find_cached_events_all()  argument
3337 		ret = find_cached_events(pev, &tmp_tevs, pathname);  in find_cached_events_all()
3357 static int find_probe_trace_events_from_cache(struct perf_probe_event *pev,  in find_probe_trace_events_from_cache()  argument
3366 	if (pev->sdt) {  in find_probe_trace_events_from_cache()
3368 		if (!pev->target)  in find_probe_trace_events_from_cache()
3369 			return find_cached_events_all(pev, tevs);  in find_probe_trace_events_from_cache()
3371 			return find_cached_events(pev, tevs, pev->target);  in find_probe_trace_events_from_cache()
3373 	cache = probe_cache__new(pev->target, pev->nsi);  in find_probe_trace_events_from_cache()
3377 	entry = probe_cache__find(cache, pev);  in find_probe_trace_events_from_cache()
3380 		ret = pev->sdt ? -ENOENT : 0;  in find_probe_trace_events_from_cache()
3387 			 pev->target ? : "kernel");  in find_probe_trace_events_from_cache()
3405 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_cache()
3414 static int convert_to_probe_trace_events(struct perf_probe_event *pev,  in convert_to_probe_trace_events()  argument
3419 	if (!pev->group && !pev->sdt) {  in convert_to_probe_trace_events()
3421 		if (!pev->uprobes) {  in convert_to_probe_trace_events()
3422 			pev->group = strdup(PERFPROBE_GROUP);  in convert_to_probe_trace_events()
3423 			ret = pev->group ? 0 : -ENOMEM;  in convert_to_probe_trace_events()
3425 			ret = convert_exec_to_group(pev->target, &pev->group);  in convert_to_probe_trace_events()
3432 	ret = try_to_find_absolute_address(pev, tevs);  in convert_to_probe_trace_events()
3437 	ret = find_probe_trace_events_from_cache(pev, tevs);  in convert_to_probe_trace_events()
3438 	if (ret > 0 || pev->sdt)	/* SDT can be found only in the cache */  in convert_to_probe_trace_events()
3442 	ret = try_to_find_probe_trace_events(pev, tevs);  in convert_to_probe_trace_events()
3446 	return find_probe_trace_events_from_map(pev, tevs);  in convert_to_probe_trace_events()
3490 	struct perf_probe_event *pev;  in show_probe_trace_events()  local
3497 		pev = &pevs[j];  in show_probe_trace_events()
3498 		for (i = 0; i < pev->ntevs && !ret; i++) {  in show_probe_trace_events()
3499 			tev = &pev->tevs[i];  in show_probe_trace_events()
3501 			if (!tev->point.symbol && !pev->uprobes)  in show_probe_trace_events()
3505 			ret = probe_trace_event__set_name(tev, pev,  in show_probe_trace_events()
3534 	struct perf_probe_event *pev;  in cleanup_perf_probe_events()  local
3538 		pev = &pevs[i];  in cleanup_perf_probe_events()
3543 		nsinfo__zput(pev->nsi);  in cleanup_perf_probe_events()