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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-20 00:38:33 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-24 19:43:26 +0300 |
commit | 56e2e05644a9494e8ba3165182dcdf43d40cc6a2 (patch) | |
tree | 3e795cfb8e9a01c3350fc1266a88099abd004bc2 /tools/perf/util/util.c | |
parent | 611f0afee0e87eb6d184e7f58aa20d18d291d169 (diff) | |
download | linux-56e2e05644a9494e8ba3165182dcdf43d40cc6a2.tar.xz |
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.c | 104 |
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; |