perf: Add generic transaction flags

[karo-tx-linux.git] / include / uapi / linux / perf_event.h

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 009a655a5d354c51e20fb34cb12ca653e94f9b71..da48837d617d0301609b9eca0c08687c1b27b1e1 100644 (file)
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -136,8 +136,9 @@ enum perf_event_sample_format {
        PERF_SAMPLE_WEIGHT                      = 1U << 14,
        PERF_SAMPLE_DATA_SRC                    = 1U << 15,
        PERF_SAMPLE_IDENTIFIER                  = 1U << 16,
+       PERF_SAMPLE_TRANSACTION                 = 1U << 17,
 
-       PERF_SAMPLE_MAX = 1U << 17,             /* non-ABI */
+       PERF_SAMPLE_MAX = 1U << 18,             /* non-ABI */
 };
 
 /*
@@ -180,6 +181,28 @@ enum perf_sample_regs_abi {
        PERF_SAMPLE_REGS_ABI_64         = 2,
 };
 
+/*
+ * Values for the memory transaction event qualifier, mostly for
+ * abort events. Multiple bits can be set.
+ */
+enum {
+       PERF_TXN_ELISION        = (1 << 0), /* From elision */
+       PERF_TXN_TRANSACTION    = (1 << 1), /* From transaction */
+       PERF_TXN_SYNC           = (1 << 2), /* Instruction is related */
+       PERF_TXN_ASYNC          = (1 << 3), /* Instruction not related */
+       PERF_TXN_RETRY          = (1 << 4), /* Retry possible */
+       PERF_TXN_CONFLICT       = (1 << 5), /* Conflict abort */
+       PERF_TXN_CAPACITY_WRITE = (1 << 6), /* Capacity write abort */
+       PERF_TXN_CAPACITY_READ  = (1 << 7), /* Capacity read abort */
+
+       PERF_TXN_MAX            = (1 << 8), /* non-ABI */
+
+       /* bits 32..63 are reserved for the abort code */
+
+       PERF_TXN_ABORT_MASK  = (0xffffffffULL << 32),
+       PERF_TXN_ABORT_SHIFT = 32,
+};
+
 /*
  * The format of the data returned by read() on a perf event fd,
  * as specified by attr.read_format: