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Diffstat (limited to 'tools/include/uapi/linux/perf_event.h')
-rw-r--r--tools/include/uapi/linux/perf_event.h96
1 files changed, 87 insertions, 9 deletions
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index b15e3447cd9f..ad15e40d7f5d 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -145,12 +145,14 @@ enum perf_event_sample_format {
PERF_SAMPLE_CGROUP = 1U << 21,
PERF_SAMPLE_DATA_PAGE_SIZE = 1U << 22,
PERF_SAMPLE_CODE_PAGE_SIZE = 1U << 23,
+ PERF_SAMPLE_WEIGHT_STRUCT = 1U << 24,
- PERF_SAMPLE_MAX = 1U << 24, /* non-ABI */
+ PERF_SAMPLE_MAX = 1U << 25, /* non-ABI */
__PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */
};
+#define PERF_SAMPLE_WEIGHT_TYPE (PERF_SAMPLE_WEIGHT | PERF_SAMPLE_WEIGHT_STRUCT)
/*
* values to program into branch_sample_type when PERF_SAMPLE_BRANCH is set
*
@@ -386,7 +388,8 @@ struct perf_event_attr {
aux_output : 1, /* generate AUX records instead of events */
cgroup : 1, /* include cgroup events */
text_poke : 1, /* include text poke events */
- __reserved_1 : 30;
+ build_id : 1, /* use build id in mmap2 events */
+ __reserved_1 : 29;
union {
__u32 wakeup_events; /* wakeup every n events */
@@ -659,6 +662,22 @@ struct perf_event_mmap_page {
__u64 aux_size;
};
+/*
+ * The current state of perf_event_header::misc bits usage:
+ * ('|' used bit, '-' unused bit)
+ *
+ * 012 CDEF
+ * |||---------||||
+ *
+ * Where:
+ * 0-2 CPUMODE_MASK
+ *
+ * C PROC_MAP_PARSE_TIMEOUT
+ * D MMAP_DATA / COMM_EXEC / FORK_EXEC / SWITCH_OUT
+ * E MMAP_BUILD_ID / EXACT_IP / SCHED_OUT_PREEMPT
+ * F (reserved)
+ */
+
#define PERF_RECORD_MISC_CPUMODE_MASK (7 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
#define PERF_RECORD_MISC_KERNEL (1 << 0)
@@ -690,6 +709,7 @@ struct perf_event_mmap_page {
*
* PERF_RECORD_MISC_EXACT_IP - PERF_RECORD_SAMPLE of precise events
* PERF_RECORD_MISC_SWITCH_OUT_PREEMPT - PERF_RECORD_SWITCH* events
+ * PERF_RECORD_MISC_MMAP_BUILD_ID - PERF_RECORD_MMAP2 event
*
*
* PERF_RECORD_MISC_EXACT_IP:
@@ -699,9 +719,13 @@ struct perf_event_mmap_page {
*
* PERF_RECORD_MISC_SWITCH_OUT_PREEMPT:
* Indicates that thread was preempted in TASK_RUNNING state.
+ *
+ * PERF_RECORD_MISC_MMAP_BUILD_ID:
+ * Indicates that mmap2 event carries build id data.
*/
#define PERF_RECORD_MISC_EXACT_IP (1 << 14)
#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT (1 << 14)
+#define PERF_RECORD_MISC_MMAP_BUILD_ID (1 << 14)
/*
* Reserve the last bit to indicate some extended misc field
*/
@@ -890,7 +914,24 @@ enum perf_event_type {
* char data[size];
* u64 dyn_size; } && PERF_SAMPLE_STACK_USER
*
- * { u64 weight; } && PERF_SAMPLE_WEIGHT
+ * { union perf_sample_weight
+ * {
+ * u64 full; && PERF_SAMPLE_WEIGHT
+ * #if defined(__LITTLE_ENDIAN_BITFIELD)
+ * struct {
+ * u32 var1_dw;
+ * u16 var2_w;
+ * u16 var3_w;
+ * } && PERF_SAMPLE_WEIGHT_STRUCT
+ * #elif defined(__BIG_ENDIAN_BITFIELD)
+ * struct {
+ * u16 var3_w;
+ * u16 var2_w;
+ * u32 var1_dw;
+ * } && PERF_SAMPLE_WEIGHT_STRUCT
+ * #endif
+ * }
+ * }
* { u64 data_src; } && PERF_SAMPLE_DATA_SRC
* { u64 transaction; } && PERF_SAMPLE_TRANSACTION
* { u64 abi; # enum perf_sample_regs_abi
@@ -915,10 +956,20 @@ enum perf_event_type {
* u64 addr;
* u64 len;
* u64 pgoff;
- * u32 maj;
- * u32 min;
- * u64 ino;
- * u64 ino_generation;
+ * union {
+ * struct {
+ * u32 maj;
+ * u32 min;
+ * u64 ino;
+ * u64 ino_generation;
+ * };
+ * struct {
+ * u8 build_id_size;
+ * u8 __reserved_1;
+ * u16 __reserved_2;
+ * u8 build_id[20];
+ * };
+ * };
* u32 prot, flags;
* char filename[];
* struct sample_id sample_id;
@@ -1127,14 +1178,16 @@ union perf_mem_data_src {
mem_lvl_num:4, /* memory hierarchy level number */
mem_remote:1, /* remote */
mem_snoopx:2, /* snoop mode, ext */
- mem_rsvd:24;
+ mem_blk:3, /* access blocked */
+ mem_rsvd:21;
};
};
#elif defined(__BIG_ENDIAN_BITFIELD)
union perf_mem_data_src {
__u64 val;
struct {
- __u64 mem_rsvd:24,
+ __u64 mem_rsvd:21,
+ mem_blk:3, /* access blocked */
mem_snoopx:2, /* snoop mode, ext */
mem_remote:1, /* remote */
mem_lvl_num:4, /* memory hierarchy level number */
@@ -1217,6 +1270,12 @@ union perf_mem_data_src {
#define PERF_MEM_TLB_OS 0x40 /* OS fault handler */
#define PERF_MEM_TLB_SHIFT 26
+/* Access blocked */
+#define PERF_MEM_BLK_NA 0x01 /* not available */
+#define PERF_MEM_BLK_DATA 0x02 /* data could not be forwarded */
+#define PERF_MEM_BLK_ADDR 0x04 /* address conflict */
+#define PERF_MEM_BLK_SHIFT 40
+
#define PERF_MEM_S(a, s) \
(((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
@@ -1248,4 +1307,23 @@ struct perf_branch_entry {
reserved:40;
};
+union perf_sample_weight {
+ __u64 full;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ struct {
+ __u32 var1_dw;
+ __u16 var2_w;
+ __u16 var3_w;
+ };
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ struct {
+ __u16 var3_w;
+ __u16 var2_w;
+ __u32 var1_dw;
+ };
+#else
+#error "Unknown endianness"
+#endif
+};
+
#endif /* _UAPI_LINUX_PERF_EVENT_H */