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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-04-19 18:38:33 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-04-24 13:43:26 -0300
commit56e2e05644a9494e8ba3165182dcdf43d40cc6a2 (patch)
tree3e795cfb8e9a01c3350fc1266a88099abd004bc2 /tools/perf/util/util.c
parent611f0afee0e87eb6d184e7f58aa20d18d291d169 (diff)
perf callchain: Move callchain specific routines from util.[ch]
Where they belong, no point in leaving those in the generic "util" files. Link: http://lkml.kernel.org/n/tip-ljx3iiip1hlfa7a7apjem7ph@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/util.c')
-rw-r--r--tools/perf/util/util.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index ae8036f06329..131d21a659fb 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -17,24 +17,8 @@
#include <linux/log2.h>
#include <linux/time64.h>
#include <unistd.h>
-#include "callchain.h"
#include "strlist.h"
-#define CALLCHAIN_PARAM_DEFAULT \
- .mode = CHAIN_GRAPH_ABS, \
- .min_percent = 0.5, \
- .order = ORDER_CALLEE, \
- .key = CCKEY_FUNCTION, \
- .value = CCVAL_PERCENT, \
-
-struct callchain_param callchain_param = {
- CALLCHAIN_PARAM_DEFAULT
-};
-
-struct callchain_param callchain_param_default = {
- CALLCHAIN_PARAM_DEFAULT
-};
-
/*
* XXX We need to find a better place for these things...
*/
@@ -377,94 +361,6 @@ unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
return (unsigned long) -1;
}
-int get_stack_size(const char *str, unsigned long *_size)
-{
- char *endptr;
- unsigned long size;
- unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
-
- size = strtoul(str, &endptr, 0);
-
- do {
- if (*endptr)
- break;
-
- size = round_up(size, sizeof(u64));
- if (!size || size > max_size)
- break;
-
- *_size = size;
- return 0;
-
- } while (0);
-
- pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
- max_size, str);
- return -1;
-}
-
-int parse_callchain_record(const char *arg, struct callchain_param *param)
-{
- char *tok, *name, *saveptr = NULL;
- char *buf;
- int ret = -1;
-
- /* We need buffer that we know we can write to. */
- buf = malloc(strlen(arg) + 1);
- if (!buf)
- return -ENOMEM;
-
- strcpy(buf, arg);
-
- tok = strtok_r((char *)buf, ",", &saveptr);
- name = tok ? : (char *)buf;
-
- do {
- /* Framepointer style */
- if (!strncmp(name, "fp", sizeof("fp"))) {
- if (!strtok_r(NULL, ",", &saveptr)) {
- param->record_mode = CALLCHAIN_FP;
- ret = 0;
- } else
- pr_err("callchain: No more arguments "
- "needed for --call-graph fp\n");
- break;
-
- /* Dwarf style */
- } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
- const unsigned long default_stack_dump_size = 8192;
-
- ret = 0;
- param->record_mode = CALLCHAIN_DWARF;
- param->dump_size = default_stack_dump_size;
-
- tok = strtok_r(NULL, ",", &saveptr);
- if (tok) {
- unsigned long size = 0;
-
- ret = get_stack_size(tok, &size);
- param->dump_size = size;
- }
- } else if (!strncmp(name, "lbr", sizeof("lbr"))) {
- if (!strtok_r(NULL, ",", &saveptr)) {
- param->record_mode = CALLCHAIN_LBR;
- ret = 0;
- } else
- pr_err("callchain: No more arguments "
- "needed for --call-graph lbr\n");
- break;
- } else {
- pr_err("callchain: Unknown --call-graph option "
- "value: %s\n", arg);
- break;
- }
-
- } while (0);
-
- free(buf);
- return ret;
-}
-
int perf_event_paranoid(void)
{
int value;