Implement simpleperf list subcommand.

simpleperf is used to replace linux/tools/perf. And This CL implements
the list subcommand of it.

Change-Id: I3e6fe854e19cc370070d0fd8416d0aa6fa8f8e90

1 files changed, 119 insertions, 0 deletions

diff --git a/simpleperf/generate_event_type_table.py b/simpleperf/generate_event_type_table.py
new file mode 100755
index 00000000..b3fb897c
--- /dev/null
+++ b/simpleperf/generate_event_type_table.py
@@ -0,0 +1,119 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+def gen_event_type_entry_str(event_type_name, event_type, event_config):
+    """
+    return string like:
+    {"cpu-cycles", PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES},
+    """
+    return '{"%s", %s, %s},\n' % (event_type_name, event_type, event_config)
+
+
+def gen_hardware_events():
+    hardware_configs = ["cpu-cycles",
+                        "instructions",
+                        "cache-references",
+                        "cache-misses",
+                        "branch-instructions",
+                        "branch-misses",
+                        "bus-cycles",
+                        "stalled-cycles-frontend",
+                        "stalled-cycles-backend",
+                        ]
+    generated_str = ""
+    for config in hardware_configs:
+        event_type_name = config
+        event_config = "PERF_COUNT_HW_" + config.replace('-', '_').upper()
+
+        generated_str += gen_event_type_entry_str(
+            event_type_name, "PERF_TYPE_HARDWARE", event_config)
+
+    return generated_str
+
+
+def gen_software_events():
+    software_configs = ["cpu-clock",
+                        "task-clock",
+                        "page-faults",
+                        "context-switches",
+                        "cpu-migrations",
+                        ["minor-faults", "PERF_COUNT_SW_PAGE_FAULTS_MIN"],
+                        ["major-faults", "PERF_COUNT_SW_PAGE_FAULTS_MAJ"],
+                        "alignment-faults",
+                        "emulation-faults",
+                        ]
+    generated_str = ""
+    for config in software_configs:
+        if type(config) is list:
+            event_type_name = config[0]
+            event_config = config[1]
+        else:
+            event_type_name = config
+            event_config = "PERF_COUNT_SW_" + config.replace('-', '_').upper()
+
+        generated_str += gen_event_type_entry_str(
+            event_type_name, "PERF_TYPE_SOFTWARE", event_config)
+
+    return generated_str
+
+
+def gen_hw_cache_events():
+    hw_cache_types = [["L1-dcache", "PERF_COUNT_HW_CACHE_L1D"],
+                      ["L1-icache", "PERF_COUNT_HW_CACHE_L1I"],
+                      ["LLC", "PERF_COUNT_HW_CACHE_LL"],
+                      ["dTLB", "PERF_COUNT_HW_CACHE_DTLB"],
+                      ["iTLB", "PERF_COUNT_HW_CACHE_ITLB"],
+                      ["branch", "PERF_COUNT_HW_CACHE_BPU"],
+                      ["node", "PERF_COUNT_HW_CACHE_NODE"],
+                      ]
+    hw_cache_ops = [["loades", "load", "PERF_COUNT_HW_CACHE_OP_READ"],
+                    ["stores", "store", "PERF_COUNT_HW_CACHE_OP_WRITE"],
+                    ["prefetches", "prefetch",
+                     "PERF_COUNT_HW_CACHE_OP_PREFETCH"],
+                    ]
+    hw_cache_op_results = [["accesses", "PERF_COUNT_HW_CACHE_RESULT_ACCESS"],
+                           ["misses", "PERF_COUNT_HW_CACHE_RESULT_MISS"],
+                           ]
+    generated_str = ""
+    for (type_name, type_config) in hw_cache_types:
+        for (op_name_access, op_name_miss, op_config) in hw_cache_ops:
+            for (result_name, result_config) in hw_cache_op_results:
+                if result_name == "accesses":
+                    event_type_name = type_name + '-' + op_name_access
+                else:
+                    event_type_name = type_name + '-' + \
+                        op_name_miss + '-' + result_name
+                event_config = "((%s) | (%s << 8) | (%s << 16))" % (
+                    type_config, op_config, result_config)
+                generated_str += gen_event_type_entry_str(
+                    event_type_name, "PERF_TYPE_HW_CACHE", event_config)
+
+    return generated_str
+
+
+def gen_events():
+    generated_str = "// This file is auto-generated by generate-event_table.py.\n\n"
+    generated_str += gen_hardware_events() + '\n'
+    generated_str += gen_software_events() + '\n'
+    generated_str += gen_hw_cache_events() + '\n'
+    return generated_str
+
+generated_str = gen_events()
+fh = open('event_type_table.h', 'w')
+fh.write(generated_str)
+fh.close()