diff options
author | Andi Kleen <ak@linux.intel.com> | 2015-05-27 10:51:51 -0700 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-27 21:02:17 -0300 |
commit | f00898f4e20b286877b8d6d96d6e404661fd7985 (patch) | |
tree | 74a48727edbc5edb44b6df4b1455e6e17c332f13 /tools/perf/util/parse-branch-options.c | |
parent | 83be34a7a913bdf9f21f524333c63d9c48a28ef4 (diff) | |
download | blackbird-op-linux-f00898f4e20b286877b8d6d96d6e404661fd7985.tar.gz blackbird-op-linux-f00898f4e20b286877b8d6d96d6e404661fd7985.zip |
perf tools: Move branch option parsing to own file
.. to allow sharing between builtin-record and builtin-top later. No
code changes, just moved code.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1432749114-904-9-git-send-email-andi@firstfloor.org
[ Rename too generic branch.[ch] name to parse-branch-options.[ch] ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/parse-branch-options.c')
-rw-r--r-- | tools/perf/util/parse-branch-options.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c new file mode 100644 index 000000000000..9d999436658f --- /dev/null +++ b/tools/perf/util/parse-branch-options.c @@ -0,0 +1,93 @@ +#include "perf.h" +#include "util/util.h" +#include "util/debug.h" +#include "util/parse-options.h" +#include "util/parse-branch-options.h" + +#define BRANCH_OPT(n, m) \ + { .name = n, .mode = (m) } + +#define BRANCH_END { .name = NULL } + +struct branch_mode { + const char *name; + int mode; +}; + +static const struct branch_mode branch_modes[] = { + BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER), + BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL), + BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV), + BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY), + BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL), + BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN), + BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL), + BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX), + BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX), + BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX), + BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND), + BRANCH_END +}; + +int +parse_branch_stack(const struct option *opt, const char *str, int unset) +{ +#define ONLY_PLM \ + (PERF_SAMPLE_BRANCH_USER |\ + PERF_SAMPLE_BRANCH_KERNEL |\ + PERF_SAMPLE_BRANCH_HV) + + uint64_t *mode = (uint64_t *)opt->value; + const struct branch_mode *br; + char *s, *os = NULL, *p; + int ret = -1; + + if (unset) + return 0; + + /* + * cannot set it twice, -b + --branch-filter for instance + */ + if (*mode) + return -1; + + /* str may be NULL in case no arg is passed to -b */ + if (str) { + /* because str is read-only */ + s = os = strdup(str); + if (!s) + return -1; + + for (;;) { + p = strchr(s, ','); + if (p) + *p = '\0'; + + for (br = branch_modes; br->name; br++) { + if (!strcasecmp(s, br->name)) + break; + } + if (!br->name) { + ui__warning("unknown branch filter %s," + " check man page\n", s); + goto error; + } + + *mode |= br->mode; + + if (!p) + break; + + s = p + 1; + } + } + ret = 0; + + /* default to any branch */ + if ((*mode & ~ONLY_PLM) == 0) { + *mode = PERF_SAMPLE_BRANCH_ANY; + } +error: + free(os); + return ret; +} |