tracing, perf: Implement BPF programs attached to kprobes

[linux-block.git] / include / uapi / linux / perf_event.h

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 9b79abbd1ab80f765eb15b2d563f2c30262327d2..91803e54ee735185cd1e718297c602d7bbc1be1a 100644 (file)
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -152,21 +152,42 @@ enum perf_event_sample_format {
  * The branch types can be combined, however BRANCH_ANY covers all types
  * of branches and therefore it supersedes all the other types.
  */
+enum perf_branch_sample_type_shift {
+       PERF_SAMPLE_BRANCH_USER_SHIFT           = 0, /* user branches */
+       PERF_SAMPLE_BRANCH_KERNEL_SHIFT         = 1, /* kernel branches */
+       PERF_SAMPLE_BRANCH_HV_SHIFT             = 2, /* hypervisor branches */
+
+       PERF_SAMPLE_BRANCH_ANY_SHIFT            = 3, /* any branch types */
+       PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT       = 4, /* any call branch */
+       PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT     = 5, /* any return branch */
+       PERF_SAMPLE_BRANCH_IND_CALL_SHIFT       = 6, /* indirect calls */
+       PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT       = 7, /* transaction aborts */
+       PERF_SAMPLE_BRANCH_IN_TX_SHIFT          = 8, /* in transaction */
+       PERF_SAMPLE_BRANCH_NO_TX_SHIFT          = 9, /* not in transaction */
+       PERF_SAMPLE_BRANCH_COND_SHIFT           = 10, /* conditional branches */
+
+       PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT     = 11, /* call/ret stack */
+
+       PERF_SAMPLE_BRANCH_MAX_SHIFT            /* non-ABI */
+};
+
 enum perf_branch_sample_type {
-       PERF_SAMPLE_BRANCH_USER         = 1U << 0, /* user branches */
-       PERF_SAMPLE_BRANCH_KERNEL       = 1U << 1, /* kernel branches */
-       PERF_SAMPLE_BRANCH_HV           = 1U << 2, /* hypervisor branches */
-
-       PERF_SAMPLE_BRANCH_ANY          = 1U << 3, /* any branch types */
-       PERF_SAMPLE_BRANCH_ANY_CALL     = 1U << 4, /* any call branch */
-       PERF_SAMPLE_BRANCH_ANY_RETURN   = 1U << 5, /* any return branch */
-       PERF_SAMPLE_BRANCH_IND_CALL     = 1U << 6, /* indirect calls */
-       PERF_SAMPLE_BRANCH_ABORT_TX     = 1U << 7, /* transaction aborts */
-       PERF_SAMPLE_BRANCH_IN_TX        = 1U << 8, /* in transaction */
-       PERF_SAMPLE_BRANCH_NO_TX        = 1U << 9, /* not in transaction */
-       PERF_SAMPLE_BRANCH_COND         = 1U << 10, /* conditional branches */
-
-       PERF_SAMPLE_BRANCH_MAX          = 1U << 11, /* non-ABI */
+       PERF_SAMPLE_BRANCH_USER         = 1U << PERF_SAMPLE_BRANCH_USER_SHIFT,
+       PERF_SAMPLE_BRANCH_KERNEL       = 1U << PERF_SAMPLE_BRANCH_KERNEL_SHIFT,
+       PERF_SAMPLE_BRANCH_HV           = 1U << PERF_SAMPLE_BRANCH_HV_SHIFT,
+
+       PERF_SAMPLE_BRANCH_ANY          = 1U << PERF_SAMPLE_BRANCH_ANY_SHIFT,
+       PERF_SAMPLE_BRANCH_ANY_CALL     = 1U << PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT,
+       PERF_SAMPLE_BRANCH_ANY_RETURN   = 1U << PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT,
+       PERF_SAMPLE_BRANCH_IND_CALL     = 1U << PERF_SAMPLE_BRANCH_IND_CALL_SHIFT,
+       PERF_SAMPLE_BRANCH_ABORT_TX     = 1U << PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT,
+       PERF_SAMPLE_BRANCH_IN_TX        = 1U << PERF_SAMPLE_BRANCH_IN_TX_SHIFT,
+       PERF_SAMPLE_BRANCH_NO_TX        = 1U << PERF_SAMPLE_BRANCH_NO_TX_SHIFT,
+       PERF_SAMPLE_BRANCH_COND         = 1U << PERF_SAMPLE_BRANCH_COND_SHIFT,
+
+       PERF_SAMPLE_BRANCH_CALL_STACK   = 1U << PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT,
+
+       PERF_SAMPLE_BRANCH_MAX          = 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT,
 };
 
 #define PERF_SAMPLE_BRANCH_PLM_ALL \
@@ -305,7 +326,8 @@ struct perf_event_attr {
                                exclude_callchain_user   : 1, /* exclude user callchains */
                                mmap2          :  1, /* include mmap with inode data     */
                                comm_exec      :  1, /* flag comm events that are due to an exec */
-                               __reserved_1   : 39;
+                               use_clockid    :  1, /* use @clockid for time fields */
+                               __reserved_1   : 38;
 
        union {
                __u32           wakeup_events;    /* wakeup every n events */
@@ -334,8 +356,7 @@ struct perf_event_attr {
         */
        __u32   sample_stack_user;
 
-       /* Align to u64. */
-       __u32   __reserved_2;
+       __s32   clockid;
        /*
         * Defines set of regs to dump for each sample
         * state captured on:
@@ -360,6 +381,7 @@ struct perf_event_attr {
 #define PERF_EVENT_IOC_SET_OUTPUT      _IO ('$', 5)
 #define PERF_EVENT_IOC_SET_FILTER      _IOW('$', 6, char *)
 #define PERF_EVENT_IOC_ID              _IOR('$', 7, __u64 *)
+#define PERF_EVENT_IOC_SET_BPF         _IOW('$', 8, __u32)
 
 enum perf_event_ioc_flags {
        PERF_IOC_FLAG_GROUP             = 1U << 0,