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()
866 arch__post_process_probe_trace_events(struct perf_probe_event *pev __maybe_unused,  in arch__post_process_probe_trace_events()
872 static int post_process_probe_trace_events(struct perf_probe_event *pev,  in post_process_probe_trace_events()  argument
881 						     pev->nsi);  in post_process_probe_trace_events()
890 		arch__post_process_probe_trace_events(pev, ntevs);  in post_process_probe_trace_events()
896 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
899 	bool need_dwarf = perf_probe_event_need_dwarf(pev);  in try_to_find_probe_trace_events()
911 	if (pev->point.retprobe)  in try_to_find_probe_trace_events()
914 	dinfo = open_debuginfo(pev->target, pev->nsi, !need_dwarf);  in try_to_find_probe_trace_events()
924 	ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
927 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in try_to_find_probe_trace_events()
929 			ntevs = debuginfo__find_trace_events(dinfo, pev, tevs);  in try_to_find_probe_trace_events()
934 			clear_perf_probe_point(&pev->point);  in try_to_find_probe_trace_events()
935 			memcpy(&pev->point, &tmp, sizeof(tmp));  in try_to_find_probe_trace_events()
941 		ret = post_process_probe_trace_events(pev, *tevs, ntevs,  in try_to_find_probe_trace_events()
942 					pev->target, pev->uprobes, dinfo);  in try_to_find_probe_trace_events()
955 			   synthesize_perf_probe_point(&pev->point));  in try_to_find_probe_trace_events()
1134 				  struct perf_probe_event *pev,  in show_available_vars_at()  argument
1144 	buf = synthesize_perf_probe_point(&pev->point);  in show_available_vars_at()
1149 	ret = debuginfo__find_available_vars_at(dinfo, pev, &vls);  in show_available_vars_at()
1151 		ret = get_alternative_probe_event(dinfo, pev, &tmp);  in show_available_vars_at()
1153 			ret = debuginfo__find_available_vars_at(dinfo, pev,  in show_available_vars_at()
1241 static int try_to_find_probe_trace_events(struct perf_probe_event *pev,  in try_to_find_probe_trace_events()  argument
1244 	if (perf_probe_event_need_dwarf(pev)) {  in try_to_find_probe_trace_events()
1398 static int parse_perf_probe_event_name(char **arg, struct perf_probe_event *pev)  in parse_perf_probe_event_name()  argument
1405 		if (!pev->sdt && !is_c_func_name(*arg))  in parse_perf_probe_event_name()
1407 		pev->group = strdup_esc(*arg);  in parse_perf_probe_event_name()
1408 		if (!pev->group)  in parse_perf_probe_event_name()
1412 		pev->group = NULL;  in parse_perf_probe_event_name()
1414 	pev->event = strdup_esc(*arg);  in parse_perf_probe_event_name()
1415 	if (pev->event == NULL)  in parse_perf_probe_event_name()
1418 	if (!pev->sdt && !is_c_func_name(pev->event)) {  in parse_perf_probe_event_name()
1419 		zfree(&pev->event);  in parse_perf_probe_event_name()
1421 		zfree(&pev->group);  in parse_perf_probe_event_name()
1430 static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev)  in parse_perf_probe_point()  argument
1432 	struct perf_probe_point *pp = &pev->point;  in parse_perf_probe_point()
1448 		pev->sdt = true;  in parse_perf_probe_point()
1454 	if (pev->sdt) {  in parse_perf_probe_point()
1464 				pev->target = build_id_cache__origname(tmp);  in parse_perf_probe_point()
1467 				pev->target = strdup_esc(ptr + 1);  in parse_perf_probe_point()
1468 			if (!pev->target)  in parse_perf_probe_point()
1472 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1474 			if (asprintf(&pev->point.function, "%%%s", pev->event) < 0)  in parse_perf_probe_point()
1483 		ret = parse_perf_probe_event_name(&arg, pev);  in parse_perf_probe_point()
1754 int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)  in parse_perf_probe_command()  argument
1770 	ret = parse_perf_probe_point(argv[0], pev);  in parse_perf_probe_command()
1775 	if (!pev->event && pev->point.function && pev->point.line  in parse_perf_probe_command()
1776 			&& !pev->point.lazy_line && !pev->point.offset) {  in parse_perf_probe_command()
1777 		if (asprintf(&pev->event, "%s_L%d", pev->point.function,  in parse_perf_probe_command()
1778 			pev->point.line) < 0)  in parse_perf_probe_command()
1783 	pev->nargs = argc - 1;  in parse_perf_probe_command()
1784 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in parse_perf_probe_command()
1785 	if (pev->args == NULL) {  in parse_perf_probe_command()
1789 	for (i = 0; i < pev->nargs && ret >= 0; i++) {  in parse_perf_probe_command()
1790 		ret = parse_perf_probe_arg(argv[i + 1], &pev->args[i]);  in parse_perf_probe_command()
1792 		    is_c_varname(pev->args[i].var) && pev->point.retprobe) {  in parse_perf_probe_command()
1805 bool perf_probe_with_var(struct perf_probe_event *pev)  in perf_probe_with_var()  argument
1809 	for (i = 0; i < pev->nargs; i++)  in perf_probe_with_var()
1810 		if (is_c_varname(pev->args[i].var)              ||  in perf_probe_with_var()
1811 		    !strcmp(pev->args[i].var, PROBE_ARG_PARAMS) ||  in perf_probe_with_var()
1812 		    !strcmp(pev->args[i].var, PROBE_ARG_VARS))  in perf_probe_with_var()
1818 bool perf_probe_event_need_dwarf(struct perf_probe_event *pev)  in perf_probe_event_need_dwarf()  argument
1820 	if (pev->point.file || pev->point.line || pev->point.lazy_line)  in perf_probe_event_need_dwarf()
1823 	if (perf_probe_with_var(pev))  in perf_probe_event_need_dwarf()
2039 char *synthesize_perf_probe_command(struct perf_probe_event *pev)  in synthesize_perf_probe_command()  argument
2047 	if (pev->event)  in synthesize_perf_probe_command()
2048 		if (strbuf_addf(&buf, "%s:%s=", pev->group ?: PERFPROBE_GROUP,  in synthesize_perf_probe_command()
2049 				pev->event) < 0)  in synthesize_perf_probe_command()
2052 	tmp = synthesize_perf_probe_point(&pev->point);  in synthesize_perf_probe_command()
2057 	for (i = 0; i < pev->nargs; i++) {  in synthesize_perf_probe_command()
2058 		tmp = synthesize_perf_probe_arg(pev->args + i);  in synthesize_perf_probe_command()
2287 			       struct perf_probe_event *pev, bool is_kprobe)  in convert_to_perf_probe_event()  argument
2293 	pev->event = strdup(tev->event);  in convert_to_perf_probe_event()
2294 	pev->group = strdup(tev->group);  in convert_to_perf_probe_event()
2295 	if (pev->event == NULL || pev->group == NULL)  in convert_to_perf_probe_event()
2299 	ret = convert_to_perf_probe_point(&tev->point, &pev->point, is_kprobe);  in convert_to_perf_probe_event()
2304 	pev->nargs = tev->nargs;  in convert_to_perf_probe_event()
2305 	pev->args = zalloc(sizeof(struct perf_probe_arg) * pev->nargs);  in convert_to_perf_probe_event()
2306 	if (pev->args == NULL)  in convert_to_perf_probe_event()
2310 			pev->args[i].name = strdup(tev->args[i].name);  in convert_to_perf_probe_event()
2315 			pev->args[i].name = strbuf_detach(&buf, NULL);  in convert_to_perf_probe_event()
2317 		if (pev->args[i].name == NULL && ret >= 0)  in convert_to_perf_probe_event()
2322 		clear_perf_probe_event(pev);  in convert_to_perf_probe_event()
2327 void clear_perf_probe_event(struct perf_probe_event *pev)  in clear_perf_probe_event()  argument
2332 	zfree(&pev->event);  in clear_perf_probe_event()
2333 	zfree(&pev->group);  in clear_perf_probe_event()
2334 	zfree(&pev->target);  in clear_perf_probe_event()
2335 	clear_perf_probe_point(&pev->point);  in clear_perf_probe_event()
2337 	for (i = 0; i < pev->nargs; i++) {  in clear_perf_probe_event()
2338 		zfree(&pev->args[i].name);  in clear_perf_probe_event()
2339 		zfree(&pev->args[i].var);  in clear_perf_probe_event()
2340 		zfree(&pev->args[i].type);  in clear_perf_probe_event()
2341 		field = pev->args[i].field;  in clear_perf_probe_event()
2349 	pev->nargs = 0;  in clear_perf_probe_event()
2350 	zfree(&pev->args);  in clear_perf_probe_event()
2561 				     struct perf_probe_event *pev,  in perf_probe_event__sprintf()  argument
2576 	buf = synthesize_perf_probe_point(&pev->point);  in perf_probe_event__sprintf()
2585 	if (!ret && pev->nargs > 0) {  in perf_probe_event__sprintf()
2587 		for (i = 0; !ret && i < pev->nargs; i++) {  in perf_probe_event__sprintf()
2588 			buf = synthesize_perf_probe_arg(&pev->args[i]);  in perf_probe_event__sprintf()
2603 			  struct perf_probe_event *pev,  in show_perf_probe_event()  argument
2609 	ret = perf_probe_event__sprintf(group, event, pev, module, &buf);  in show_perf_probe_event()
2641 	struct perf_probe_event pev;  in __show_perf_probe_events()  local
2646 	memset(&pev, 0, sizeof(pev));  in __show_perf_probe_events()
2657 			ret = convert_to_perf_probe_event(&tev, &pev,  in __show_perf_probe_events()
2661 			ret = show_perf_probe_event(pev.group, pev.event,  in __show_perf_probe_events()
2662 						    &pev, tev.point.module,  in __show_perf_probe_events()
2666 		clear_perf_probe_event(&pev);  in __show_perf_probe_events()
2804 				       struct perf_probe_event *pev,  in probe_trace_event__set_name()  argument
2813 	if (pev->event && !pev->sdt)  in probe_trace_event__set_name()
2814 		event = pev->event;  in probe_trace_event__set_name()
2819 		if (pev->point.function &&  in probe_trace_event__set_name()
2820 			(strncmp(pev->point.function, "0x", 2) != 0) &&  in probe_trace_event__set_name()
2821 			!strisglob(pev->point.function))  in probe_trace_event__set_name()
2822 			event = pev->point.function;  in probe_trace_event__set_name()
2826 	if (pev->group && !pev->sdt)  in probe_trace_event__set_name()
2827 		group = pev->group;  in probe_trace_event__set_name()
2875 static int __add_probe_trace_events(struct perf_probe_event *pev,  in __add_probe_trace_events()  argument
2885 	up = pev->uprobes ? 1 : 0;  in __add_probe_trace_events()
2901 		if (!tev->point.symbol && !pev->uprobes)  in __add_probe_trace_events()
2905 		ret = probe_trace_event__set_name(tev, pev, namelist[up],  in __add_probe_trace_events()
2910 		nsinfo__mountns_enter(pev->nsi, &nsc);  in __add_probe_trace_events()
2924 	if (ret == -EINVAL && pev->uprobes)  in __add_probe_trace_events()
2927 		cache = probe_cache__new(pev->target, pev->nsi);  in __add_probe_trace_events()
2929 		    probe_cache__add_entry(cache, pev, tevs, ntevs) < 0 ||  in __add_probe_trace_events()
2989 void __weak arch__fix_tev_from_maps(struct perf_probe_event *pev __maybe_unused,  in arch__fix_tev_from_maps()
3009 static int find_probe_trace_events_from_map(struct perf_probe_event *pev,  in find_probe_trace_events_from_map()  argument
3017 	struct perf_probe_point *pp = &pev->point;  in find_probe_trace_events_from_map()
3023 	map = get_target_map(pev->target, pev->nsi, pev->uprobes);  in find_probe_trace_events_from_map()
3043 			       pev->target ?: "/proc/kallsyms");  in find_probe_trace_events_from_map()
3044 			if (pev->target)  in find_probe_trace_events_from_map()
3050 				pev->target ? : "kernel");  in find_probe_trace_events_from_map()
3055 			pev->target ? : "kernel");  in find_probe_trace_events_from_map()
3061 	if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
3114 		if (!pev->uprobes && !pev->target &&  in find_probe_trace_events_from_map()
3128 		if (pev->target) {  in find_probe_trace_events_from_map()
3129 			if (pev->uprobes) {  in find_probe_trace_events_from_map()
3130 				tev->point.module = strdup_or_goto(pev->target,  in find_probe_trace_events_from_map()
3133 				mod_name = find_module_name(pev->target);  in find_probe_trace_events_from_map()
3135 					strdup(mod_name ? mod_name : pev->target);  in find_probe_trace_events_from_map()
3141 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_map()
3142 		tev->nargs = pev->nargs;  in find_probe_trace_events_from_map()
3150 			if (pev->args[i].name)  in find_probe_trace_events_from_map()
3152 					strdup_or_goto(pev->args[i].name,  in find_probe_trace_events_from_map()
3155 			tev->args[i].value = strdup_or_goto(pev->args[i].var,  in find_probe_trace_events_from_map()
3157 			if (pev->args[i].type)  in find_probe_trace_events_from_map()
3159 					strdup_or_goto(pev->args[i].type,  in find_probe_trace_events_from_map()
3162 		arch__fix_tev_from_maps(pev, tev, map, sym);  in find_probe_trace_events_from_map()
3182 static int try_to_find_absolute_address(struct perf_probe_event *pev,  in try_to_find_absolute_address()  argument
3185 	struct perf_probe_point *pp = &pev->point;  in try_to_find_absolute_address()
3190 	if (!(pev->point.function && !strncmp(pev->point.function, "0x", 2)))  in try_to_find_absolute_address()
3192 	if (perf_probe_event_need_dwarf(pev))  in try_to_find_absolute_address()
3213 	tp->address = pev->point.abs_address;  in try_to_find_absolute_address()
3215 	tev->uprobes = pev->uprobes;  in try_to_find_absolute_address()
3237 	if (pev->target) {  in try_to_find_absolute_address()
3238 		tp->module = strdup(pev->target);  in try_to_find_absolute_address()
3244 		tev->group = strdup(pev->group);  in try_to_find_absolute_address()
3249 	if (pev->event) {  in try_to_find_absolute_address()
3250 		tev->event = strdup(pev->event);  in try_to_find_absolute_address()
3255 	tev->nargs = pev->nargs;  in try_to_find_absolute_address()
3261 		copy_to_probe_trace_arg(&tev->args[i], &pev->args[i]);  in try_to_find_absolute_address()
3323 static int find_cached_events(struct perf_probe_event *pev,  in find_cached_events()  argument
3333 	cache = probe_cache__new(target, pev->nsi);  in find_cached_events()
3340 		if (!entry->pev.event || !entry->pev.group)  in find_cached_events()
3342 		if ((!pev->group || strglobmatch(entry->pev.group, pev->group)) &&  in find_cached_events()
3343 		    strglobmatch(entry->pev.event, pev->event)) {  in find_cached_events()
3359 			pev->uprobes = true;  in find_cached_events()
3366 static int find_cached_events_all(struct perf_probe_event *pev,  in find_cached_events_all()  argument
3387 		ret = find_cached_events(pev, &tmp_tevs, pathname);  in find_cached_events_all()
3407 static int find_probe_trace_events_from_cache(struct perf_probe_event *pev,  in find_probe_trace_events_from_cache()  argument
3416 	if (pev->sdt) {  in find_probe_trace_events_from_cache()
3418 		if (!pev->target)  in find_probe_trace_events_from_cache()
3419 			return find_cached_events_all(pev, tevs);  in find_probe_trace_events_from_cache()
3421 			return find_cached_events(pev, tevs, pev->target);  in find_probe_trace_events_from_cache()
3423 	cache = probe_cache__new(pev->target, pev->nsi);  in find_probe_trace_events_from_cache()
3427 	entry = probe_cache__find(cache, pev);  in find_probe_trace_events_from_cache()
3430 		ret = pev->sdt ? -ENOENT : 0;  in find_probe_trace_events_from_cache()
3437 			 pev->target ? : "kernel");  in find_probe_trace_events_from_cache()
3455 		tev->uprobes = pev->uprobes;  in find_probe_trace_events_from_cache()
3464 static int convert_to_probe_trace_events(struct perf_probe_event *pev,  in convert_to_probe_trace_events()  argument
3469 	if (!pev->group && !pev->sdt) {  in convert_to_probe_trace_events()
3471 		if (!pev->uprobes) {  in convert_to_probe_trace_events()
3472 			pev->group = strdup(PERFPROBE_GROUP);  in convert_to_probe_trace_events()
3473 			ret = pev->group ? 0 : -ENOMEM;  in convert_to_probe_trace_events()
3475 			ret = convert_exec_to_group(pev->target, &pev->group);  in convert_to_probe_trace_events()
3482 	ret = try_to_find_absolute_address(pev, tevs);  in convert_to_probe_trace_events()
3487 	ret = find_probe_trace_events_from_cache(pev, tevs);  in convert_to_probe_trace_events()
3488 	if (ret > 0 || pev->sdt)	/* SDT can be found only in the cache */  in convert_to_probe_trace_events()
3492 	ret = try_to_find_probe_trace_events(pev, tevs);  in convert_to_probe_trace_events()
3496 	return find_probe_trace_events_from_map(pev, tevs);  in convert_to_probe_trace_events()
3540 	struct perf_probe_event *pev;  in show_probe_trace_events()  local
3547 		pev = &pevs[j];  in show_probe_trace_events()
3548 		for (i = 0; i < pev->ntevs && !ret; i++) {  in show_probe_trace_events()
3549 			tev = &pev->tevs[i];  in show_probe_trace_events()
3551 			if (!tev->point.symbol && !pev->uprobes)  in show_probe_trace_events()
3555 			ret = probe_trace_event__set_name(tev, pev,  in show_probe_trace_events()
3595 	struct perf_probe_event *pev;  in show_bootconfig_events()  local
3603 		pev = &pevs[j];  in show_bootconfig_events()
3604 		if (pev->group && strcmp(pev->group, "probe"))  in show_bootconfig_events()
3605 			pr_warning("WARN: Group name %s is ignored\n", pev->group);  in show_bootconfig_events()
3606 		if (pev->uprobes) {  in show_bootconfig_events()
3611 		for (i = 0; i < pev->ntevs && !ret; i++) {  in show_bootconfig_events()
3612 			tev = &pev->tevs[i];  in show_bootconfig_events()
3614 			if (!tev->point.symbol && !pev->uprobes)  in show_bootconfig_events()
3618 			ret = probe_trace_event__set_name(tev, pev,  in show_bootconfig_events()
3656 	struct perf_probe_event *pev;  in cleanup_perf_probe_events()  local
3660 		pev = &pevs[i];  in cleanup_perf_probe_events()
3665 		nsinfo__zput(pev->nsi);  in cleanup_perf_probe_events()