diff options
Diffstat (limited to 'tools/perf/util/callchain.c')
| -rw-r--r-- | tools/perf/util/callchain.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 8d9db454f1a9..9a42382b3921 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c | |||
| @@ -25,6 +25,84 @@ | |||
| 25 | 25 | ||
| 26 | __thread struct callchain_cursor callchain_cursor; | 26 | __thread struct callchain_cursor callchain_cursor; |
| 27 | 27 | ||
| 28 | int | ||
| 29 | parse_callchain_report_opt(const char *arg) | ||
| 30 | { | ||
| 31 | char *tok, *tok2; | ||
| 32 | char *endptr; | ||
| 33 | |||
| 34 | symbol_conf.use_callchain = true; | ||
| 35 | |||
| 36 | if (!arg) | ||
| 37 | return 0; | ||
| 38 | |||
| 39 | tok = strtok((char *)arg, ","); | ||
| 40 | if (!tok) | ||
| 41 | return -1; | ||
| 42 | |||
| 43 | /* get the output mode */ | ||
| 44 | if (!strncmp(tok, "graph", strlen(arg))) { | ||
| 45 | callchain_param.mode = CHAIN_GRAPH_ABS; | ||
| 46 | |||
| 47 | } else if (!strncmp(tok, "flat", strlen(arg))) { | ||
| 48 | callchain_param.mode = CHAIN_FLAT; | ||
| 49 | } else if (!strncmp(tok, "fractal", strlen(arg))) { | ||
| 50 | callchain_param.mode = CHAIN_GRAPH_REL; | ||
| 51 | } else if (!strncmp(tok, "none", strlen(arg))) { | ||
| 52 | callchain_param.mode = CHAIN_NONE; | ||
| 53 | symbol_conf.use_callchain = false; | ||
| 54 | return 0; | ||
| 55 | } else { | ||
| 56 | return -1; | ||
| 57 | } | ||
| 58 | |||
| 59 | /* get the min percentage */ | ||
| 60 | tok = strtok(NULL, ","); | ||
| 61 | if (!tok) | ||
| 62 | goto setup; | ||
| 63 | |||
| 64 | callchain_param.min_percent = strtod(tok, &endptr); | ||
| 65 | if (tok == endptr) | ||
| 66 | return -1; | ||
| 67 | |||
| 68 | /* get the print limit */ | ||
| 69 | tok2 = strtok(NULL, ","); | ||
| 70 | if (!tok2) | ||
| 71 | goto setup; | ||
| 72 | |||
| 73 | if (tok2[0] != 'c') { | ||
| 74 | callchain_param.print_limit = strtoul(tok2, &endptr, 0); | ||
| 75 | tok2 = strtok(NULL, ","); | ||
| 76 | if (!tok2) | ||
| 77 | goto setup; | ||
| 78 | } | ||
| 79 | |||
| 80 | /* get the call chain order */ | ||
| 81 | if (!strncmp(tok2, "caller", strlen("caller"))) | ||
| 82 | callchain_param.order = ORDER_CALLER; | ||
| 83 | else if (!strncmp(tok2, "callee", strlen("callee"))) | ||
| 84 | callchain_param.order = ORDER_CALLEE; | ||
| 85 | else | ||
| 86 | return -1; | ||
| 87 | |||
| 88 | /* Get the sort key */ | ||
| 89 | tok2 = strtok(NULL, ","); | ||
| 90 | if (!tok2) | ||
| 91 | goto setup; | ||
| 92 | if (!strncmp(tok2, "function", strlen("function"))) | ||
| 93 | callchain_param.key = CCKEY_FUNCTION; | ||
| 94 | else if (!strncmp(tok2, "address", strlen("address"))) | ||
| 95 | callchain_param.key = CCKEY_ADDRESS; | ||
| 96 | else | ||
| 97 | return -1; | ||
| 98 | setup: | ||
| 99 | if (callchain_register_param(&callchain_param) < 0) { | ||
| 100 | pr_err("Can't register callchain params\n"); | ||
| 101 | return -1; | ||
| 102 | } | ||
| 103 | return 0; | ||
| 104 | } | ||
| 105 | |||
| 28 | static void | 106 | static void |
| 29 | rb_insert_callchain(struct rb_root *root, struct callchain_node *chain, | 107 | rb_insert_callchain(struct rb_root *root, struct callchain_node *chain, |
| 30 | enum chain_mode mode) | 108 | enum chain_mode mode) |