selftests/powerpc: Move pick_online_cpu() up into utils.c
We want to use this in another test, so make it available at the top of
the powerpc selftests tree.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile
index 50326cb..ac41a71 100644
--- a/tools/testing/selftests/powerpc/pmu/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/Makefile
@@ -2,7 +2,7 @@
$(MAKE) -C ../
TEST_PROGS := count_instructions l3_bank_test per_event_excludes
-EXTRA_SOURCES := ../harness.c event.c lib.c
+EXTRA_SOURCES := ../harness.c event.c lib.c ../utils.c
all: $(TEST_PROGS) ebb
diff --git a/tools/testing/selftests/powerpc/pmu/lib.c b/tools/testing/selftests/powerpc/pmu/lib.c
index a07104c..a361ad3 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.c
+++ b/tools/testing/selftests/powerpc/pmu/lib.c
@@ -15,32 +15,6 @@
#include "lib.h"
-int pick_online_cpu(void)
-{
- cpu_set_t mask;
- int cpu;
-
- CPU_ZERO(&mask);
-
- if (sched_getaffinity(0, sizeof(mask), &mask)) {
- perror("sched_getaffinity");
- return -1;
- }
-
- /* We prefer a primary thread, but skip 0 */
- for (cpu = 8; cpu < CPU_SETSIZE; cpu += 8)
- if (CPU_ISSET(cpu, &mask))
- return cpu;
-
- /* Search for anything, but in reverse */
- for (cpu = CPU_SETSIZE - 1; cpu >= 0; cpu--)
- if (CPU_ISSET(cpu, &mask))
- return cpu;
-
- printf("No cpus in affinity mask?!\n");
- return -1;
-}
-
int bind_to_cpu(int cpu)
{
cpu_set_t mask;
diff --git a/tools/testing/selftests/powerpc/pmu/lib.h b/tools/testing/selftests/powerpc/pmu/lib.h
index ca5d72a..0213af4 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.h
+++ b/tools/testing/selftests/powerpc/pmu/lib.h
@@ -19,7 +19,6 @@
int fds[2];
};
-extern int pick_online_cpu(void);
extern int bind_to_cpu(int cpu);
extern int kill_child_and_wait(pid_t child_pid);
extern int wait_for_child(pid_t child_pid);
diff --git a/tools/testing/selftests/powerpc/utils.c b/tools/testing/selftests/powerpc/utils.c
index 536113a..dcf7418 100644
--- a/tools/testing/selftests/powerpc/utils.c
+++ b/tools/testing/selftests/powerpc/utils.c
@@ -3,10 +3,13 @@
* Licensed under GPLv2.
*/
+#define _GNU_SOURCE /* For CPU_ZERO etc. */
+
#include <elf.h>
#include <errno.h>
#include <fcntl.h>
#include <link.h>
+#include <sched.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -56,3 +59,29 @@
close(fd);
return result;
}
+
+int pick_online_cpu(void)
+{
+ cpu_set_t mask;
+ int cpu;
+
+ CPU_ZERO(&mask);
+
+ if (sched_getaffinity(0, sizeof(mask), &mask)) {
+ perror("sched_getaffinity");
+ return -1;
+ }
+
+ /* We prefer a primary thread, but skip 0 */
+ for (cpu = 8; cpu < CPU_SETSIZE; cpu += 8)
+ if (CPU_ISSET(cpu, &mask))
+ return cpu;
+
+ /* Search for anything, but in reverse */
+ for (cpu = CPU_SETSIZE - 1; cpu >= 0; cpu--)
+ if (CPU_ISSET(cpu, &mask))
+ return cpu;
+
+ printf("No cpus in affinity mask?!\n");
+ return -1;
+}
diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
index fbf2bf5..175ac6a 100644
--- a/tools/testing/selftests/powerpc/utils.h
+++ b/tools/testing/selftests/powerpc/utils.h
@@ -22,6 +22,7 @@
int test_harness(int (test_function)(void), char *name);
extern void *get_auxv_entry(int type);
+int pick_online_cpu(void);
static inline bool have_hwcap2(unsigned long ftr2)
{