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-rw-r--r--include/linux/perf_counter.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index f794c69b34c9..3586df840f69 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -28,6 +28,7 @@ enum perf_event_types {
PERF_TYPE_HARDWARE = 0,
PERF_TYPE_SOFTWARE = 1,
PERF_TYPE_TRACEPOINT = 2,
+ PERF_TYPE_HW_CACHE = 3,
/*
* available TYPE space, raw is the max value.
@@ -56,6 +57,39 @@ enum attr_ids {
};
/*
+ * Generalized hardware cache counters:
+ *
+ * { L1-D, L1-I, L2, LLC, ITLB, DTLB, BPU } x
+ * { read, write, prefetch } x
+ * { accesses, misses }
+ */
+enum hw_cache_id {
+ PERF_COUNT_HW_CACHE_L1D,
+ PERF_COUNT_HW_CACHE_L1I,
+ PERF_COUNT_HW_CACHE_L2,
+ PERF_COUNT_HW_CACHE_DTLB,
+ PERF_COUNT_HW_CACHE_ITLB,
+ PERF_COUNT_HW_CACHE_BPU,
+
+ PERF_COUNT_HW_CACHE_MAX,
+};
+
+enum hw_cache_op_id {
+ PERF_COUNT_HW_CACHE_OP_READ,
+ PERF_COUNT_HW_CACHE_OP_WRITE,
+ PERF_COUNT_HW_CACHE_OP_PREFETCH,
+
+ PERF_COUNT_HW_CACHE_OP_MAX,
+};
+
+enum hw_cache_op_result_id {
+ PERF_COUNT_HW_CACHE_RESULT_ACCESS,
+ PERF_COUNT_HW_CACHE_RESULT_MISS,
+
+ PERF_COUNT_HW_CACHE_RESULT_MAX,
+};
+
+/*
* Special "software" counters provided by the kernel, even if the hardware
* does not support performance counters. These counters measure various
* physical and sw events of the kernel (and allow the profiling of them as