int
parse_callchain_report_opt(const char *arg)
{
char *tok;
char *endptr;
bool minpcnt_set = false;
symbol_conf.use_callchain = true;
if (!arg)
return 0;
while ((tok = strtok((char *)arg, ",")) != NULL) {
if (!strncmp(tok, "none", strlen(tok))) {
callchain_param.mode = CHAIN_NONE;
symbol_conf.use_callchain = false;
return 0;
}
if (!parse_callchain_mode(tok) ||
!parse_callchain_order(tok) ||
!parse_callchain_sort_key(tok)) {
/* parsing ok - move on to the next */
} else if (!minpcnt_set) {
/* try to get the min percent */
callchain_param.min_percent = strtod(tok, &endptr);
if (tok == endptr)
return -1;
minpcnt_set = true;
} else {
/* try print limit at last */
callchain_param.print_limit = strtoul(tok, &endptr, 0);
if (tok == endptr)
return -1;
}
arg = NULL;
}
if (callchain_register_param(&callchain_param) < 0) {
pr_err("Can't register callchain params\n");
return -1;
}
return 0;
}
static int
__parse_callchain_report_opt(const char *arg, bool allow_record_opt)
{
char *tok;
char *endptr, *saveptr = NULL;
bool minpcnt_set = false;
bool record_opt_set = false;
bool try_stack_size = false;
callchain_param.enabled = true;
symbol_conf.use_callchain = true;
if (!arg)
return 0;
while ((tok = strtok_r((char *)arg, ",", &saveptr)) != NULL) {
if (!strncmp(tok, "none", strlen(tok))) {
callchain_param.mode = CHAIN_NONE;
callchain_param.enabled = false;
symbol_conf.use_callchain = false;
return 0;
}
if (!parse_callchain_mode(tok) ||
!parse_callchain_order(tok) ||
!parse_callchain_sort_key(tok) ||
!parse_callchain_value(tok)) {
/* parsing ok - move on to the next */
try_stack_size = false;
goto next;
} else if (allow_record_opt && !record_opt_set) {
if (parse_callchain_record(tok, &callchain_param))
goto try_numbers;
/* assume that number followed by 'dwarf' is stack size */
if (callchain_param.record_mode == CALLCHAIN_DWARF)
try_stack_size = true;
record_opt_set = true;
goto next;
}
try_numbers:
if (try_stack_size) {
unsigned long size = 0;
if (get_stack_size(tok, &size) < 0)
return -1;
callchain_param.dump_size = size;
try_stack_size = false;
} else if (!minpcnt_set) {
/* try to get the min percent */
callchain_param.min_percent = strtod(tok, &endptr);
if (tok == endptr)
return -1;
minpcnt_set = true;
} else {
/* try print limit at last */
callchain_param.print_limit = strtoul(tok, &endptr, 0);
if (tok == endptr)
return -1;
}
next:
arg = NULL;
}
if (callchain_register_param(&callchain_param) < 0) {
pr_err("Can't register callchain params\n");
return -1;
}
return 0;
}
int
parse_callchain_report_opt(const char *arg)
{
char *tok, *tok2;
char *endptr;
symbol_conf.use_callchain = true;
if (!arg)
return 0;
tok = strtok((char *)arg, ",");
if (!tok)
return -1;
/* get the output mode */
if (!strncmp(tok, "graph", strlen(arg))) {
callchain_param.mode = CHAIN_GRAPH_ABS;
} else if (!strncmp(tok, "flat", strlen(arg))) {
callchain_param.mode = CHAIN_FLAT;
} else if (!strncmp(tok, "fractal", strlen(arg))) {
callchain_param.mode = CHAIN_GRAPH_REL;
} else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
symbol_conf.use_callchain = false;
return 0;
} else {
return -1;
}
/* get the min percentage */
tok = strtok(NULL, ",");
if (!tok)
goto setup;
callchain_param.min_percent = strtod(tok, &endptr);
if (tok == endptr)
return -1;
/* get the print limit */
tok2 = strtok(NULL, ",");
if (!tok2)
goto setup;
if (tok2[0] != 'c') {
callchain_param.print_limit = strtoul(tok2, &endptr, 0);
tok2 = strtok(NULL, ",");
if (!tok2)
goto setup;
}
/* get the call chain order */
if (!strncmp(tok2, "caller", strlen("caller")))
callchain_param.order = ORDER_CALLER;
else if (!strncmp(tok2, "callee", strlen("callee")))
callchain_param.order = ORDER_CALLEE;
else
return -1;
/* Get the sort key */
tok2 = strtok(NULL, ",");
if (!tok2)
goto setup;
if (!strncmp(tok2, "function", strlen("function")))
callchain_param.key = CCKEY_FUNCTION;
else if (!strncmp(tok2, "address", strlen("address")))
callchain_param.key = CCKEY_ADDRESS;
else
return -1;
setup:
if (callchain_register_param(&callchain_param) < 0) {
pr_err("Can't register callchain params\n");
return -1;
}
return 0;
}
