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perf record: Move mmap_pages to perf_record_opts 

Tools being developed will need this to allow the user to override this
value.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
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-zydc1yhxfm0z35fuy95bsn1l@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-11-09 09:16:26 -02:00
parent 50a682ce87
commit 01c2d99bcf
2 changed files with 6 additions and 4 deletions
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9
tools/perf/builtin-record.c
View File

@ -35,9 +35,10 @@ enum write_mode_t {
WRITE_APPEND
};
static struct perf_record_opts record_opts = {
struct perf_record_opts record_opts = {
.target_pid = -1,
.target_tid = -1,
.mmap_pages = UINT_MAX,
.user_freq = UINT_MAX,
.user_interval = ULLONG_MAX,
.freq = 1000,
@ -45,7 +46,6 @@ static struct perf_record_opts record_opts = {
};
static unsigned int page_size;
static unsigned int mmap_pages = UINT_MAX;
static int output;
static const char *output_name = NULL;
static bool group = false;
@ -272,7 +272,7 @@ try_again:
exit(-1);
}
if (perf_evlist__mmap(evlist, mmap_pages, false) < 0)
if (perf_evlist__mmap(evlist, record_opts.mmap_pages, false) < 0)
die("failed to mmap with %d (%s)\n", errno, strerror(errno));
if (file_new)
@ -647,7 +647,8 @@ const struct option record_options[] = {
OPT_BOOLEAN('i', "no-inherit", &record_opts.no_inherit,
"child tasks do not inherit counters"),
OPT_UINTEGER('F', "freq", &record_opts.user_freq, "profile at this frequency"),
OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"),
OPT_UINTEGER('m', "mmap-pages", &record_opts.mmap_pages,
"number of mmap data pages"),
OPT_BOOLEAN(0, "group", &group,
"put the counters into a counter group"),
OPT_BOOLEAN('g', "call-graph", &record_opts.call_graph,

1
tools/perf/perf.h
View File

@ -200,6 +200,7 @@ struct perf_record_opts {
bool sample_id_all_avail;
bool system_wide;
unsigned int freq;
unsigned int mmap_pages;
unsigned int user_freq;
u64 default_interval;
u64 user_interval;