411 				       struct perf_probe_event *pev,  in get_alternative_probe_event()  argument
416 	memcpy(tmp, &pev->point, sizeof(*tmp));  in get_alternative_probe_event()
417 	memset(&pev->point, 0, sizeof(pev->point));  in get_alternative_probe_event()
418 	ret = find_alternative_probe_point(dinfo, tmp, &pev->point, pev->target,  in get_alternative_probe_event()
419 					   pev->nsi, pev->uprobes);  in get_alternative_probe_event()
421 		memcpy(&pev->point, tmp, sizeof(*tmp));  in get_alternative_probe_event()
794 arch__post_process_probe_trace_events(struct perf_probe_event *pev __maybe_unused,  in arch__post_process_probe_trace_events()
800 static int post_process_probe_trace_events(struct perf_probe_event *pev,  in post_process_probe_trace_events()  argument
809 						     pev->nsi);  in post_process_probe_trace_events()
818 		arch__post_process_probe_trace_events(pev, ntevs);  in post_process_probe_trace_events()
824 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
827 	bool need_dwarf = perf_probe_event_need_dwarf(pev);  in try_to_find_probe_trace_events()
832 	dinfo = open_debuginfo(pev->target, pev->nsi, !need_dwarf);  in try_to_find_probe_trace_events()
842 	ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
845 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in try_to_find_probe_trace_events()
847 			ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
852 			clear_perf_probe_point(&pev->point);  in try_to_find_probe_trace_events()
853 			memcpy(&pev->point, &tmp, sizeof(tmp));  in try_to_find_probe_trace_events()
859 		ret = post_process_probe_trace_events(pev, *tevs, ntevs,  in try_to_find_probe_trace_events()
860 					pev->target, pev->uprobes, dinfo);  in try_to_find_probe_trace_events()
873 			   synthesize_perf_probe_point(&pev->point));  in try_to_find_probe_trace_events()
1046 				  struct perf_probe_event *pev,  in show_available_vars_at()  argument
1056 	buf = synthesize_perf_probe_point(&pev->point);  in show_available_vars_at()
1061 	ret = debuginfo__find_available_vars_at(dinfo, pev, &vls);  in show_available_vars_at()
1063 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in show_available_vars_at()
1065 			ret = debuginfo__find_available_vars_at(dinfo, pev,  in show_available_vars_at()
1153 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
1156 	if (perf_probe_event_need_dwarf(pev)) {  in try_to_find_probe_trace_events()
1311 static int parse_perf_probe_event_name(char **arg, struct perf_probe_event *pev)  in parse_perf_probe_event_name()  argument
1318 		if (!pev->sdt && !is_c_func_name(*arg))  in parse_perf_probe_event_name()
1320 		pev->group = strdup_esc(*arg);  in parse_perf_probe_event_name()
1321 		if (!pev->group)  in parse_perf_probe_event_name()
1325 		pev->group = NULL;  in parse_perf_probe_event_name()
1327 	pev->event = strdup_esc(*arg);  in parse_perf_probe_event_name()
1328 	if (pev->event == NULL)  in parse_perf_probe_event_name()
1331 	if (!pev->sdt && !is_c_func_name(pev->event)) {  in parse_perf_probe_event_name()
1332 		zfree(&pev->event);  in parse_perf_probe_event_name()
1334 		zfree(&pev->group);  in parse_perf_probe_event_name()
1343 static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev)  in parse_perf_probe_point()  argument
1345 	struct perf_probe_point *pp = &pev->point;  in parse_perf_probe_point()
1361 		pev->sdt = true;  in parse_perf_probe_point()
1367 	if (pev->sdt) {  in parse_perf_probe_point()
1377 				pev->target = build_id_cache__origname(tmp);  in parse_perf_probe_point()
1380 				pev->target = strdup_esc(ptr + 1);  in parse_perf_probe_point()
1381 			if (!pev->target)  in parse_perf_probe_point()
1385 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1387 			if (asprintf(&pev->point.function, "%%%s", pev->event) < 0)  in parse_perf_probe_point()
1396 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1656 int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)  in parse_perf_probe_command()  argument
1672 	ret = parse_perf_probe_point(argv[0], pev);  in parse_perf_probe_command()
1677 	pev->nargs = argc - 1;  in parse_perf_probe_command()
1678 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in parse_perf_probe_command()
1679 	if (pev->args == NULL) {  in parse_perf_probe_command()
1683 	for (i = 0; i < pev->nargs && ret >= 0; i++) {  in parse_perf_probe_command()
1684 		ret = parse_perf_probe_arg(argv[i + 1], &pev->args[i]);  in parse_perf_probe_command()
1686 		    is_c_varname(pev->args[i].var) && pev->point.retprobe) {  in parse_perf_probe_command()
1699 bool perf_probe_with_var(struct perf_probe_event *pev)  in perf_probe_with_var()  argument
1703 	for (i = 0; i < pev->nargs; i++)  in perf_probe_with_var()
1704 		if (is_c_varname(pev->args[i].var)              ||  in perf_probe_with_var()
1705 		    !strcmp(pev->args[i].var, PROBE_ARG_PARAMS) ||  in perf_probe_with_var()
1706 		    !strcmp(pev->args[i].var, PROBE_ARG_VARS))  in perf_probe_with_var()
1712 bool perf_probe_event_need_dwarf(struct perf_probe_event *pev)  in perf_probe_event_need_dwarf()  argument
1714 	if (pev->point.file || pev->point.line || pev->point.lazy_line)  in perf_probe_event_need_dwarf()
1717 	if (perf_probe_with_var(pev))  in perf_probe_event_need_dwarf()
1928 char *synthesize_perf_probe_command(struct perf_probe_event *pev)  in synthesize_perf_probe_command()  argument
1936 	if (pev->event)  in synthesize_perf_probe_command()
1937 		if (strbuf_addf(&buf, "%s:%s=", pev->group ?: PERFPROBE_GROUP,  in synthesize_perf_probe_command()
1938 				pev->event) < 0)  in synthesize_perf_probe_command()
1941 	tmp = synthesize_perf_probe_point(&pev->point);  in synthesize_perf_probe_command()
1946 	for (i = 0; i < pev->nargs; i++) {  in synthesize_perf_probe_command()
1947 		tmp = synthesize_perf_probe_arg(pev->args + i);  in synthesize_perf_probe_command()
2143 			       struct perf_probe_event *pev, bool is_kprobe)  in convert_to_perf_probe_event()  argument
2149 	pev->event = strdup(tev->event);  in convert_to_perf_probe_event()
2150 	pev->group = strdup(tev->group);  in convert_to_perf_probe_event()
2151 	if (pev->event == NULL || pev->group == NULL)  in convert_to_perf_probe_event()
2155 	ret = convert_to_perf_probe_point(&tev->point, &pev->point, is_kprobe);  in convert_to_perf_probe_event()
2160 	pev->nargs = tev->nargs;  in convert_to_perf_probe_event()
2161 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in convert_to_perf_probe_event()
2162 	if (pev->args == NULL)  in convert_to_perf_probe_event()
2166 			pev->args[i].name = strdup(tev->args[i].name);  in convert_to_perf_probe_event()
2171 			pev->args[i].name = strbuf_detach(&buf, NULL);  in convert_to_perf_probe_event()
2173 		if (pev->args[i].name == NULL && ret >= 0)  in convert_to_perf_probe_event()
2178 		clear_perf_probe_event(pev);  in convert_to_perf_probe_event()
2183 void clear_perf_probe_event(struct perf_probe_event *pev)  in clear_perf_probe_event()  argument
2188 	free(pev->event);  in clear_perf_probe_event()
2189 	free(pev->group);  in clear_perf_probe_event()
2190 	free(pev->target);  in clear_perf_probe_event()
2191 	clear_perf_probe_point(&pev->point);  in clear_perf_probe_event()
2193 	for (i = 0; i < pev->nargs; i++) {  in clear_perf_probe_event()
2194 		free(pev->args[i].name);  in clear_perf_probe_event()
2195 		free(pev->args[i].var);  in clear_perf_probe_event()
2196 		free(pev->args[i].type);  in clear_perf_probe_event()
2197 		field = pev->args[i].field;  in clear_perf_probe_event()
2205 	free(pev->args);  in clear_perf_probe_event()
2206 	memset(pev, 0, sizeof(*pev));  in clear_perf_probe_event()
2418 				     struct perf_probe_event *pev,  in perf_probe_event__sprintf()  argument
2433 	buf = synthesize_perf_probe_point(&pev->point);  in perf_probe_event__sprintf()
2442 	if (!ret && pev->nargs > 0) {  in perf_probe_event__sprintf()
2444 		for (i = 0; !ret && i < pev->nargs; i++) {  in perf_probe_event__sprintf()
2445 			buf = synthesize_perf_probe_arg(&pev->args[i]);  in perf_probe_event__sprintf()
2460 			  struct perf_probe_event *pev,  in show_perf_probe_event()  argument
2466 	ret = perf_probe_event__sprintf(group, event, pev, module, &buf);  in show_perf_probe_event()
2498 	struct perf_probe_event pev;  in __show_perf_probe_events()  local
2503 	memset(&pev, 0, sizeof(pev));  in __show_perf_probe_events()
2514 			ret = convert_to_perf_probe_event(&tev, &pev,  in __show_perf_probe_events()
2518 			ret = show_perf_probe_event(pev.group, pev.event,  in __show_perf_probe_events()
2519 						    &pev, tev.point.module,  in __show_perf_probe_events()
2523 		clear_perf_probe_event(&pev);  in __show_perf_probe_events()
2654 				       struct perf_probe_event *pev,  in probe_trace_event__set_name()  argument
2663 	if (pev->event && !pev->sdt)  in probe_trace_event__set_name()
2664 		event = pev->event;  in probe_trace_event__set_name()
2669 		if (pev->point.function &&  in probe_trace_event__set_name()
2670 			(strncmp(pev->point.function, "0x", 2) != 0) &&  in probe_trace_event__set_name()
2671 			!strisglob(pev->point.function))  in probe_trace_event__set_name()
2672 			event = pev->point.function;  in probe_trace_event__set_name()
2676 	if (pev->group && !pev->sdt)  in probe_trace_event__set_name()
2677 		group = pev->group;  in probe_trace_event__set_name()
2720 static int __add_probe_trace_events(struct perf_probe_event *pev,  in __add_probe_trace_events()  argument
2730 	up = pev->uprobes ? 1 : 0;  in __add_probe_trace_events()
2746 		if (!tev->point.symbol && !pev->uprobes)  in __add_probe_trace_events()
2750 		ret = probe_trace_event__set_name(tev, pev, namelist[up],  in __add_probe_trace_events()
2755 		nsinfo__mountns_enter(pev->nsi, &nsc);  in __add_probe_trace_events()
2769 	if (ret == -EINVAL && pev->uprobes)  in __add_probe_trace_events()
2772 		cache = probe_cache__new(pev->target, pev->nsi);  in __add_probe_trace_events()
2774 		    probe_cache__add_entry(cache, pev, tevs, ntevs) < 0 ||  in __add_probe_trace_events()
2834 void __weak arch__fix_tev_from_maps(struct perf_probe_event *pev __maybe_unused,  in arch__fix_tev_from_maps()
2843 static int find_probe_trace_events_from_map(struct perf_probe_event *pev,  in find_probe_trace_events_from_map()  argument
2851 	struct perf_probe_point *pp = &pev->point;  in find_probe_trace_events_from_map()
2857 	map = get_target_map(pev->target, pev->nsi, pev->uprobes);  in find_probe_trace_events_from_map()
2876 			pev->target ? : "kernel");  in find_probe_trace_events_from_map()
2881 			pev->target ? : "kernel");  in find_probe_trace_events_from_map()
2887 	if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
2927 		if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
2941 		if (pev->target) {  in find_probe_trace_events_from_map()
2942 			if (pev->uprobes) {  in find_probe_trace_events_from_map()
2943 				tev->point.module = strdup_or_goto(pev->target,  in find_probe_trace_events_from_map()
2946 				mod_name = find_module_name(pev->target);  in find_probe_trace_events_from_map()
2948 					strdup(mod_name ? mod_name : pev->target);  in find_probe_trace_events_from_map()
2954 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_map()
2955 		tev->nargs = pev->nargs;  in find_probe_trace_events_from_map()
2963 			if (pev->args[i].name)  in find_probe_trace_events_from_map()
2965 					strdup_or_goto(pev->args[i].name,  in find_probe_trace_events_from_map()
2968 			tev->args[i].value = strdup_or_goto(pev->args[i].var,  in find_probe_trace_events_from_map()
2970 			if (pev->args[i].type)  in find_probe_trace_events_from_map()
2972 					strdup_or_goto(pev->args[i].type,  in find_probe_trace_events_from_map()
2975 		arch__fix_tev_from_maps(pev, tev, map, sym);  in find_probe_trace_events_from_map()
2995 static int try_to_find_absolute_address(struct perf_probe_event *pev,  in try_to_find_absolute_address()  argument
2998 	struct perf_probe_point *pp = &pev->point;  in try_to_find_absolute_address()
3003 	if (!(pev->point.function && !strncmp(pev->point.function, "0x", 2)))  in try_to_find_absolute_address()
3005 	if (perf_probe_event_need_dwarf(pev))  in try_to_find_absolute_address()
3026 	tp->address = pev->point.abs_address;  in try_to_find_absolute_address()
3028 	tev->uprobes = pev->uprobes;  in try_to_find_absolute_address()
3050 	if (pev->target) {  in try_to_find_absolute_address()
3051 		tp->module = strdup(pev->target);  in try_to_find_absolute_address()
3057 		tev->group = strdup(pev->group);  in try_to_find_absolute_address()
3062 	if (pev->event) {  in try_to_find_absolute_address()
3063 		tev->event = strdup(pev->event);  in try_to_find_absolute_address()
3068 	tev->nargs = pev->nargs;  in try_to_find_absolute_address()
3074 		copy_to_probe_trace_arg(&tev->args[i], &pev->args[i]);  in try_to_find_absolute_address()
3136 static int find_cached_events(struct perf_probe_event *pev,  in find_cached_events()  argument
3146 	cache = probe_cache__new(target, pev->nsi);  in find_cached_events()
3153 		if (!entry->pev.event || !entry->pev.group)  in find_cached_events()
3155 		if ((!pev->group || strglobmatch(entry->pev.group, pev->group)) &&  in find_cached_events()
3156 		    strglobmatch(entry->pev.event, pev->event)) {  in find_cached_events()
3172 			pev->uprobes = true;  in find_cached_events()
3179 static int find_cached_events_all(struct perf_probe_event *pev,  in find_cached_events_all()  argument
3200 		ret = find_cached_events(pev, &tmp_tevs, pathname);  in find_cached_events_all()
3220 static int find_probe_trace_events_from_cache(struct perf_probe_event *pev,  in find_probe_trace_events_from_cache()  argument
3229 	if (pev->sdt) {  in find_probe_trace_events_from_cache()
3231 		if (!pev->target)  in find_probe_trace_events_from_cache()
3232 			return find_cached_events_all(pev, tevs);  in find_probe_trace_events_from_cache()
3234 			return find_cached_events(pev, tevs, pev->target);  in find_probe_trace_events_from_cache()
3236 	cache = probe_cache__new(pev->target, pev->nsi);  in find_probe_trace_events_from_cache()
3240 	entry = probe_cache__find(cache, pev);  in find_probe_trace_events_from_cache()
3243 		ret = pev->sdt ? -ENOENT : 0;  in find_probe_trace_events_from_cache()
3250 			 pev->target ? : "kernel");  in find_probe_trace_events_from_cache()
3268 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_cache()
3277 static int convert_to_probe_trace_events(struct perf_probe_event *pev,  in convert_to_probe_trace_events()  argument
3282 	if (!pev->group && !pev->sdt) {  in convert_to_probe_trace_events()
3284 		if (!pev->uprobes) {  in convert_to_probe_trace_events()
3285 			pev->group = strdup(PERFPROBE_GROUP);  in convert_to_probe_trace_events()
3286 			ret = pev->group ? 0 : -ENOMEM;  in convert_to_probe_trace_events()
3288 			ret = convert_exec_to_group(pev->target, &pev->group);  in convert_to_probe_trace_events()
3295 	ret = try_to_find_absolute_address(pev, tevs);  in convert_to_probe_trace_events()
3300 	ret = find_probe_trace_events_from_cache(pev, tevs);  in convert_to_probe_trace_events()
3301 	if (ret > 0 || pev->sdt)	/* SDT can be found only in the cache */  in convert_to_probe_trace_events()
3305 	ret = try_to_find_probe_trace_events(pev, tevs);  in convert_to_probe_trace_events()
3309 	return find_probe_trace_events_from_map(pev, tevs);  in convert_to_probe_trace_events()
3353 	struct perf_probe_event *pev;  in show_probe_trace_events()  local
3360 		pev = &pevs[j];  in show_probe_trace_events()
3361 		for (i = 0; i < pev->ntevs && !ret; i++) {  in show_probe_trace_events()
3362 			tev = &pev->tevs[i];  in show_probe_trace_events()
3364 			if (!tev->point.symbol && !pev->uprobes)  in show_probe_trace_events()
3368 			ret = probe_trace_event__set_name(tev, pev,  in show_probe_trace_events()
3397 	struct perf_probe_event *pev;  in cleanup_perf_probe_events()  local
3401 		pev = &pevs[i];  in cleanup_perf_probe_events()
3406 		nsinfo__zput(pev->nsi);  in cleanup_perf_probe_events()