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authorMadhavan Srinivasan <maddy@linux.vnet.ibm.com>2018-12-10 09:29:05 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2019-01-31 10:38:27 +1100
commitab4510e9ac6dcdd5e9ec0380bec279b5ae97ce10 (patch)
tree14d7ec122184aba6d6099dade1f24d8daeb4b049 /arch/powerpc/perf/power9-events-list.h
parent865a9432d16fe2f40a1a52005fd30778056c7921 (diff)
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powerpc/perf: Add mem access events to sysfs
Add mem-loads/mem-stores events to sysfs. The event is formed based on raw event encoding. Primary PMU event used here is PM_MRK_INST_CMPL along with MMCRA[SM] modes and Thresholding bit Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/perf/power9-events-list.h')
-rw-r--r--arch/powerpc/perf/power9-events-list.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h
index 7de344b7d9cc..063c9d9f2516 100644
--- a/arch/powerpc/perf/power9-events-list.h
+++ b/arch/powerpc/perf/power9-events-list.h
@@ -97,3 +97,27 @@ EVENT(PM_MRK_DTLB_MISS_64K, 0x3d156)
EVENT(PM_DTLB_MISS_16M, 0x4c056)
EVENT(PM_DTLB_MISS_1G, 0x4c05a)
EVENT(PM_MRK_DTLB_MISS_16M, 0x4c15e)
+
+/*
+ * Memory Access Events
+ *
+ * Primary PMU event used here is PM_MRK_INST_CMPL (0x401e0)
+ * To enable capturing of memory profiling, these MMCRA bits
+ * needs to be programmed and corresponding raw event format
+ * encoding.
+ *
+ * MMCRA bits encoding needed are
+ * SM (Sampling Mode)
+ * EM (Eligibility for Random Sampling)
+ * TECE (Threshold Event Counter Event)
+ * TS (Threshold Start Event)
+ * TE (Threshold End Event)
+ *
+ * Corresponding Raw Encoding bits:
+ * sample [EM,SM]
+ * thresh_sel (TECE)
+ * thresh start (TS)
+ * thresh end (TE)
+ */
+EVENT(MEM_LOADS, 0x34340401e0)
+EVENT(MEM_STORES, 0x343c0401e0)