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perf callchain: Add generic report parse callchain callback function

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This takes the parse_callchain_opt function and copies it into the
callchain.c file.  Now the c2c tool can use it too without duplicating.

Update perf-report to use the new routine too.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1396896924-129847-5-git-send-email-dzickus@redhat.com
[ Adding missing braces to multiline if condition ]
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
This commit is contained in:
Don Zickus
2014-04-07 14:55:24 -04:00
committed by Jiri Olsa
parent 4b6279579c
commit cff6bb46d4
3 changed files with 82 additions and 78 deletions
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78
tools/perf/util/callchain.c
View File

@@ -25,6 +25,84 @@
__thread struct callchain_cursor callchain_cursor;
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;
}
static void
rb_insert_callchain(struct rb_root *root, struct callchain_node *chain,
enum chain_mode mode)