ktap_eventdef_info *ktapc_parse_events(const char *eventdef)
{
char *str = strdup(eventdef);
char *sys, *event, *filter, *next;
ktap_eventdef_info *evdef_info;
int ret;
idmap_init();
parse_next_eventdef:
next = get_next_eventdef(str);
if (get_sys_event_filter_str(str, &sys, &event, &filter))
goto error;
verbose_printf("parse_eventdef: sys[%s], event[%s], filter[%s]\n",
sys, event, filter);
if (!strcmp(sys, "probe"))
ret = parse_events_add_probe(event);
else if (!strcmp(sys, "sdt"))
ret = parse_events_add_sdt(event);
else
ret = parse_events_add_tracepoint(sys, event);
if (ret)
goto error;
/* don't trace ftrace:function when all tracepoints enabled */
if (!strcmp(sys, "*"))
idmap_clear(1);
if (filter && *next != '\0') {
fprintf(stderr, "Error: eventdef only can append one filter\n");
goto error;
}
str = next;
if (*next != '\0')
goto parse_next_eventdef;
evdef_info = malloc(sizeof(*evdef_info));
if (!evdef_info)
goto error;
evdef_info->nr = id_nr;
evdef_info->id_arr = get_id_array();
evdef_info->filter = filter;
idmap_free();
return evdef_info;
error:
idmap_free();
cleanup_event_resources();
return NULL;
}
int main(int argc, char **argv)
{
char **ktapvm_argv;
int new_index, i;
int ret;
if (argc == 1)
usage("");
parse_option(argc, argv);
if (oneline_src[0] != '\0')
script_file = "one-liner";
compile(script_file);
ktapvm_argv = (char **)malloc(sizeof(char *)*(script_args_end -
script_args_start + 1));
if (!ktapvm_argv) {
fprintf(stderr, "canno allocate ktapvm_argv\n");
return -1;
}
ktapvm_argv[0] = malloc(strlen(script_file) + 1);
if (!ktapvm_argv[0]) {
fprintf(stderr, "canno allocate memory\n");
return -1;
}
strcpy(ktapvm_argv[0], script_file);
ktapvm_argv[0][strlen(script_file)] = '\0';
/* pass rest argv into ktapvm */
new_index = 1;
for (i = script_args_start; i < script_args_end; i++) {
ktapvm_argv[new_index] = malloc(strlen(argv[i]) + 1);
if (!ktapvm_argv[new_index]) {
fprintf(stderr, "canno allocate memory\n");
return -1;
}
strcpy(ktapvm_argv[new_index], argv[i]);
ktapvm_argv[new_index][strlen(argv[i])] = '\0';
new_index++;
}
uparm.argv = ktapvm_argv;
uparm.argc = new_index;
uparm.verbose = verbose;
uparm.trace_pid = trace_pid;
uparm.trace_cpu = trace_cpu;
uparm.print_timestamp = print_timestamp;
/* start running into kernel ktapvm */
ret = run_ktapvm();
cleanup_event_resources();
return ret;
}