summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/perf/builtin-record.c3
-rw-r--r--tools/perf/builtin-test.c1
-rw-r--r--tools/perf/builtin-top.c3
-rw-r--r--tools/perf/util/evlist.c2
-rw-r--r--tools/perf/util/target.h1
5 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d19058a7b84c..8a3dfac161e2 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -754,6 +754,9 @@ static struct perf_record record = {
.user_freq = UINT_MAX,
.user_interval = ULLONG_MAX,
.freq = 1000,
+ .target = {
+ .uses_mmap = true,
+ },
},
.write_mode = WRITE_FORCE,
.file_new = true,
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 9d9abbbe23be..4eaa665fd32b 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1167,6 +1167,7 @@ static int test__PERF_RECORD(void)
struct perf_record_opts opts = {
.target = {
.uid = UINT_MAX,
+ .uses_mmap = true,
},
.no_delay = true,
.freq = 10,
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 553560a8b1be..3e981a710c4d 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1162,6 +1162,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
.freq = 1000, /* 1 KHz */
.mmap_pages = 128,
.sym_pcnt_filter = 5,
+ .target = {
+ .uses_mmap = true,
+ },
};
char callchain_default_opt[] = "fractal,0.5,callee";
const struct option options[] = {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 87889f325678..4ac5f5ae4ce9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -611,6 +611,8 @@ int perf_evlist__create_maps(struct perf_evlist *evlist,
if (perf_target__has_task(target))
evlist->cpus = cpu_map__dummy_new();
+ else if (!perf_target__has_cpu(target) && !target->uses_mmap)
+ evlist->cpus = cpu_map__dummy_new();
else
evlist->cpus = cpu_map__new(target->cpu_list);
diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index c43f632955fa..a4be8575fda5 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -11,6 +11,7 @@ struct perf_target {
const char *uid_str;
uid_t uid;
bool system_wide;
+ bool uses_mmap;
};
enum perf_target_errno {