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perf tools: Refactor cpumap to hold nr and the map

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So that later, we can pass the cpu_map instance instead of (nr_cpus, cpu_map)
for things like perf_evsel__open and friends.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-01-03 17:49:48 -02:00
parent 48290609c0
commit 60d567e2d9
5 changed files with 138 additions and 67 deletions
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14
tools/perf/builtin-record.c
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@@ -39,7 +39,7 @@ static u64 user_interval = ULLONG_MAX;
static u64 default_interval = 0;
static u64 sample_type;
static int nr_cpus = 0;
static struct cpu_map *cpus;
static unsigned int page_size;
static unsigned int mmap_pages = 128;
static unsigned int user_freq = UINT_MAX;
@@ -670,8 +670,8 @@ static int __cmd_record(int argc, const char **argv)
if (!system_wide && no_inherit && !cpu_list) {
open_counters(-1);
} else {
for (i = 0; i < nr_cpus; i++)
open_counters(cpumap[i]);
for (i = 0; i < cpus->nr; i++)
open_counters(cpus->map[i]);
}
perf_session__set_sample_type(session, sample_type);
@@ -927,14 +927,14 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
thread_num = 1;
}
nr_cpus = read_cpu_map(cpu_list);
if (nr_cpus < 1) {
perror("failed to collect number of CPUs");
cpus = cpu_map__new(cpu_list);
if (cpus == NULL) {
perror("failed to parse CPUs map");
return -1;
}
list_for_each_entry(pos, &evsel_list, node) {
if (perf_evsel__alloc_fd(pos, nr_cpus, thread_num) < 0)
if (perf_evsel__alloc_fd(pos, cpus->nr, thread_num) < 0)
goto out_free_fd;
}
event_array = malloc(