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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-12-11 16:16:47 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-12-11 17:21:52 -0300
commitc5ff78c3092d0e7d14c82d2949e16fee063a83f1 (patch)
treeb317450794e7583a585a417c5e8b26a3d1eac6ee /tools/perf/builtin-record.c
parentc79a439338f3a021f5a5ff6ea165b0d19d2eb0aa (diff)
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perf record: Pass perf_record_opts to the callchain cmdline parsing callback
Its all it uses and makes the parsing callback suitable for use by 'perf top', which will happen in a followup patch. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-wb9eti78bk2jd7wpasro8hsz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index fc4f08044632..d035040efe1d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -868,11 +868,9 @@ static int get_stack_size(char *str, unsigned long *_size)
}
#endif /* LIBUNWIND_SUPPORT */
-static int
-parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
- int unset)
+static int parse_callchain_opt(const struct option *opt, const char *arg, int unset)
{
- struct perf_record *rec = (struct perf_record *)opt->value;
+ struct perf_record_opts *opts = opt->value;
char *tok, *name, *saveptr = NULL;
char *buf;
int ret = -1;
@@ -898,7 +896,7 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
/* Framepointer style */
if (!strncmp(name, "fp", sizeof("fp"))) {
if (!strtok_r(NULL, ",", &saveptr)) {
- rec->opts.call_graph = CALLCHAIN_FP;
+ opts->call_graph = CALLCHAIN_FP;
ret = 0;
} else
pr_err("callchain: No more arguments "
@@ -911,20 +909,20 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
const unsigned long default_stack_dump_size = 8192;
ret = 0;
- rec->opts.call_graph = CALLCHAIN_DWARF;
- rec->opts.stack_dump_size = default_stack_dump_size;
+ opts->call_graph = CALLCHAIN_DWARF;
+ opts->stack_dump_size = default_stack_dump_size;
tok = strtok_r(NULL, ",", &saveptr);
if (tok) {
unsigned long size = 0;
ret = get_stack_size(tok, &size);
- rec->opts.stack_dump_size = size;
+ opts->stack_dump_size = size;
}
if (!ret)
pr_debug("callchain: stack dump size %d\n",
- rec->opts.stack_dump_size);
+ opts->stack_dump_size);
#endif /* LIBUNWIND_SUPPORT */
} else {
pr_err("callchain: Unknown -g option "
@@ -937,7 +935,7 @@ parse_callchain_opt(const struct option *opt __maybe_unused, const char *arg,
free(buf);
if (!ret)
- pr_debug("callchain: type %d\n", rec->opts.call_graph);
+ pr_debug("callchain: type %d\n", opts->call_graph);
return ret;
}
@@ -1021,9 +1019,9 @@ const struct option record_options[] = {
"number of mmap data pages"),
OPT_BOOLEAN(0, "group", &record.opts.group,
"put the counters into a counter group"),
- OPT_CALLBACK_DEFAULT('g', "call-graph", &record, "mode[,dump_size]",
- callchain_help, &parse_callchain_opt,
- "fp"),
+ OPT_CALLBACK_DEFAULT('g', "call-graph", &record.opts,
+ "mode[,dump_size]", callchain_help,
+ &parse_callchain_opt, "fp"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"),