diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
-rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 0a18d16cb58d..453ac9497574 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c | |||
@@ -1314,6 +1314,11 @@ static void __init pmu_check_apic(void) | |||
1314 | pr_info("no hardware sampling interrupt available.\n"); | 1314 | pr_info("no hardware sampling interrupt available.\n"); |
1315 | } | 1315 | } |
1316 | 1316 | ||
1317 | static struct attribute_group x86_pmu_format_group = { | ||
1318 | .name = "format", | ||
1319 | .attrs = NULL, | ||
1320 | }; | ||
1321 | |||
1317 | static int __init init_hw_perf_events(void) | 1322 | static int __init init_hw_perf_events(void) |
1318 | { | 1323 | { |
1319 | struct x86_pmu_quirk *quirk; | 1324 | struct x86_pmu_quirk *quirk; |
@@ -1388,6 +1393,7 @@ static int __init init_hw_perf_events(void) | |||
1388 | } | 1393 | } |
1389 | 1394 | ||
1390 | x86_pmu.attr_rdpmc = 1; /* enable userspace RDPMC usage by default */ | 1395 | x86_pmu.attr_rdpmc = 1; /* enable userspace RDPMC usage by default */ |
1396 | x86_pmu_format_group.attrs = x86_pmu.format_attrs; | ||
1391 | 1397 | ||
1392 | pr_info("... version: %d\n", x86_pmu.version); | 1398 | pr_info("... version: %d\n", x86_pmu.version); |
1393 | pr_info("... bit width: %d\n", x86_pmu.cntval_bits); | 1399 | pr_info("... bit width: %d\n", x86_pmu.cntval_bits); |
@@ -1668,6 +1674,7 @@ static struct attribute_group x86_pmu_attr_group = { | |||
1668 | 1674 | ||
1669 | static const struct attribute_group *x86_pmu_attr_groups[] = { | 1675 | static const struct attribute_group *x86_pmu_attr_groups[] = { |
1670 | &x86_pmu_attr_group, | 1676 | &x86_pmu_attr_group, |
1677 | &x86_pmu_format_group, | ||
1671 | NULL, | 1678 | NULL, |
1672 | }; | 1679 | }; |
1673 | 1680 | ||