diff options
Diffstat (limited to 'tools/perf/util/callchain.c')
| -rw-r--r-- | tools/perf/util/callchain.c | 109 |
1 files changed, 90 insertions, 19 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index ba7297230143..c84d3f8dcb75 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -109,6 +109,49 @@ int parse_callchain_record_opt(const char *arg) return ret; } +static int parse_callchain_mode(const char *value) +{ + if (!strncmp(value, "graph", strlen(value))) { + callchain_param.mode = CHAIN_GRAPH_ABS; + return 0; + } + if (!strncmp(value, "flat", strlen(value))) { + callchain_param.mode = CHAIN_FLAT; + return 0; + } + if (!strncmp(value, "fractal", strlen(value))) { + callchain_param.mode = CHAIN_GRAPH_REL; + return 0; + } + return -1; +} + +static int parse_callchain_order(const char *value) +{ + if (!strncmp(value, "caller", strlen(value))) { + callchain_param.order = ORDER_CALLER; + return 0; + } + if (!strncmp(value, "callee", strlen(value))) { + callchain_param.order = ORDER_CALLEE; + return 0; + } + return -1; +} + +static int parse_callchain_sort_key(const char *value) +{ + if (!strncmp(value, "function", strlen(value))) { + callchain_param.key = CCKEY_FUNCTION; + return 0; + } + if (!strncmp(value, "address", strlen(value))) { + callchain_param.key = CCKEY_ADDRESS; + return 0; + } + return -1; +} + int parse_callchain_report_opt(const char *arg) { @@ -128,25 +171,12 @@ parse_callchain_report_opt(const char *arg) return 0; } - /* try to get the output mode */ - if (!strncmp(tok, "graph", strlen(tok))) - callchain_param.mode = CHAIN_GRAPH_ABS; - else if (!strncmp(tok, "flat", strlen(tok))) - callchain_param.mode = CHAIN_FLAT; - else if (!strncmp(tok, "fractal", strlen(tok))) - callchain_param.mode = CHAIN_GRAPH_REL; - /* try to get the call chain order */ - else if (!strncmp(tok, "caller", strlen(tok))) - callchain_param.order = ORDER_CALLER; - else if (!strncmp(tok, "callee", strlen(tok))) - callchain_param.order = ORDER_CALLEE; - /* try to get the sort key */ - else if (!strncmp(tok, "function", strlen(tok))) - callchain_param.key = CCKEY_FUNCTION; - else if (!strncmp(tok, "address", strlen(tok))) - callchain_param.key = CCKEY_ADDRESS; - /* try to get the min percent */ - else if (!minpcnt_set) { + 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; @@ -168,6 +198,47 @@ parse_callchain_report_opt(const char *arg) return 0; } +int perf_callchain_config(const char *var, const char *value) +{ + char *endptr; + + if (prefixcmp(var, "call-graph.")) + return 0; + var += sizeof("call-graph.") - 1; + + if (!strcmp(var, "record-mode")) + return parse_callchain_record_opt(value); +#ifdef HAVE_DWARF_UNWIND_SUPPORT + if (!strcmp(var, "dump-size")) { + unsigned long size = 0; + int ret; + + ret = get_stack_size(value, &size); + callchain_param.dump_size = size; + + return ret; + } +#endif + if (!strcmp(var, "print-type")) + return parse_callchain_mode(value); + if (!strcmp(var, "order")) + return parse_callchain_order(value); + if (!strcmp(var, "sort-key")) + return parse_callchain_sort_key(value); + if (!strcmp(var, "threshold")) { + callchain_param.min_percent = strtod(value, &endptr); + if (value == endptr) + return -1; + } + if (!strcmp(var, "print-limit")) { + callchain_param.print_limit = strtod(value, &endptr); + if (value == endptr) + return -1; + } + + return 0; +} + static void rb_insert_callchain(struct rb_root *root, struct callchain_node *chain, enum chain_mode mode) |