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-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.c11
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.h1
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c2
-rw-r--r--kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c2
24 files changed, 56 insertions, 0 deletions
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
index 66ea765c0..94110b1dc 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
@@ -63,6 +63,8 @@ int back_to_back_ebbs(void)
{
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
index 0f0423dba..ac18cf617 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
@@ -20,6 +20,8 @@ int close_clears_pmcc(void)
{
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
index d3ed64d5d..f0632e7fd 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
@@ -43,6 +43,8 @@ int cpu_event_pinned_vs_ebb(void)
int cpu, rc;
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
cpu = pick_online_cpu();
FAIL_IF(cpu < 0);
FAIL_IF(bind_to_cpu(cpu));
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
index 8b972c2aa..33e56a234 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
@@ -41,6 +41,8 @@ int cpu_event_vs_ebb(void)
int cpu, rc;
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
cpu = pick_online_cpu();
FAIL_IF(cpu < 0);
FAIL_IF(bind_to_cpu(cpu));
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
index 8590fc1bf..7c57a8d79 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
@@ -16,6 +16,8 @@ int cycles(void)
{
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
index 754b3f200..ecf5ee328 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
@@ -56,6 +56,8 @@ int cycles_with_freeze(void)
uint64_t val;
bool fc_cleared;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
index d43029b08..c0faba520 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
@@ -26,6 +26,8 @@ int cycles_with_mmcr2(void)
int i;
bool bad_mmcr2;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index d7a72ce69..9729d9f90 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -13,6 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
+#include <linux/auxvec.h>
#include "trace.h"
#include "reg.h"
@@ -319,6 +320,16 @@ void ebb_global_disable(void)
mb();
}
+bool ebb_is_supported(void)
+{
+#ifdef PPC_FEATURE2_EBB
+ /* EBB requires at least POWER8 */
+ return ((long)get_auxv_entry(AT_HWCAP2) & PPC_FEATURE2_EBB);
+#else
+ return false;
+#endif
+}
+
void event_ebb_init(struct event *e)
{
e->attr.config |= (1ull << 63);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.h b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
index e44eee5d9..f87e761f8 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
@@ -52,6 +52,7 @@ void standard_ebb_callee(void);
int ebb_event_enable(struct event *e);
void ebb_global_enable(void);
void ebb_global_disable(void);
+bool ebb_is_supported(void);
void ebb_freeze_pmcs(void);
void ebb_unfreeze_pmcs(void);
void event_ebb_init(struct event *e);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
index c45f94814..1e7b7fe23 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
@@ -47,6 +47,8 @@ int ebb_on_child(void)
struct event event;
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
FAIL_IF(pipe(read_pipe.fds) == -1);
FAIL_IF(pipe(write_pipe.fds) == -1);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
index 11acf1d55..a991d2ea8 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
@@ -54,6 +54,8 @@ int ebb_on_willing_child(void)
struct event event;
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
FAIL_IF(pipe(read_pipe.fds) == -1);
FAIL_IF(pipe(write_pipe.fds) == -1);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
index be4dd5a4e..af20a2b36 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
@@ -41,6 +41,8 @@ int ebb_vs_cpu_event(void)
int cpu, rc;
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
cpu = pick_online_cpu();
FAIL_IF(cpu < 0);
FAIL_IF(bind_to_cpu(cpu));
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
index 7e78153f0..7762ab26e 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
@@ -16,6 +16,8 @@ int event_attributes(void)
{
struct event event, leader;
+ SKIP_IF(!ebb_is_supported());
+
event_init(&event, 0x1001e);
event_leader_ebb_init(&event);
/* Expected to succeed */
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
index 9e7af6e76..167135bd9 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
@@ -44,6 +44,8 @@ int fork_cleanup(void)
{
pid_t pid;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
index f8190fa29..5da355135 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
@@ -111,6 +111,8 @@ int instruction_count(void)
struct event event;
uint64_t overhead;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x400FA, "PM_RUN_INST_CMPL");
event_leader_ebb_init(&event);
event.attr.exclude_kernel = 1;
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
index 0c9dd9b2e..eb8acb78b 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
@@ -23,6 +23,8 @@ static int test_body(void)
int i, orig_period, max_period;
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
/* We use PMC4 to make sure the kernel switches all counters correctly */
event_init_named(&event, 0x40002, "instructions");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
index 67d78af32..6ff8c8ff2 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
@@ -18,6 +18,8 @@ int multi_counter(void)
struct event events[6];
int i, group_fd;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&events[0], 0x1001C, "PM_CMPLU_STALL_THRD");
event_init_named(&events[1], 0x2D016, "PM_CMPLU_STALL_FXU");
event_init_named(&events[2], 0x30006, "PM_CMPLU_STALL_OTHER_CMPL");
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
index b8dc371f9..037cb6154 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
@@ -79,6 +79,8 @@ int multi_ebb_procs(void)
pid_t pids[NR_CHILDREN];
int cpu, rc, i;
+ SKIP_IF(!ebb_is_supported());
+
cpu = pick_online_cpu();
FAIL_IF(cpu < 0);
FAIL_IF(bind_to_cpu(cpu));
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
index 2f9bf8edf..8341d7778 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
@@ -19,6 +19,8 @@ static int no_handler_test(void)
u64 val;
int i;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
index 986500fd2..c5fa64790 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
@@ -58,6 +58,8 @@ static int test_body(void)
{
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
event_init_named(&event, 0x1001e, "cycles");
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
index a503fa70c..c22860ab9 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -49,6 +49,8 @@ int pmc56_overflow(void)
{
struct event event;
+ SKIP_IF(!ebb_is_supported());
+
/* Use PMC2 so we set PMCjCE, which enables PMC5/6 */
event_init(&event, 0x2001e);
event_leader_ebb_init(&event);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
index 0cae66f65..5b1188f10 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
@@ -18,6 +18,8 @@ int reg_access(void)
{
uint64_t val, expected;
+ SKIP_IF(!ebb_is_supported());
+
expected = 0x8000000100000000ull;
mtspr(SPRN_BESCR, expected);
val = mfspr(SPRN_BESCR);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
index d56607e4f..1846f4e84 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
@@ -42,6 +42,8 @@ int task_event_pinned_vs_ebb(void)
pid_t pid;
int rc;
+ SKIP_IF(!ebb_is_supported());
+
FAIL_IF(pipe(read_pipe.fds) == -1);
FAIL_IF(pipe(write_pipe.fds) == -1);
diff --git a/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c b/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
index eba32196d..e3bc6e92a 100644
--- a/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
+++ b/kernel/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
@@ -40,6 +40,8 @@ int task_event_vs_ebb(void)
pid_t pid;
int rc;
+ SKIP_IF(!ebb_is_supported());
+
FAIL_IF(pipe(read_pipe.fds) == -1);
FAIL_IF(pipe(write_pipe.fds) == -1);