Add /proc/kallsyms parsing
Adds an efficient parser for /proc/kallsyms.
It takes ~1MB to keep in memory kallsyms of a
typical android kernel. See comments in the
header and doc for more details.
Design doc: go/perfetto-kallsyms
Bug: 147809529
Change-Id: Iddc631dcdc436e3812a3a70e61fd2d21c1732c2d
diff --git a/Android.bp b/Android.bp
index dc3fb3c..6a217d4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -6198,6 +6198,22 @@
],
}
+// GN: //src/traced/probes/ftrace/kallsyms:kallsyms
+filegroup {
+ name: "perfetto_src_traced_probes_ftrace_kallsyms_kallsyms",
+ srcs: [
+ "src/traced/probes/ftrace/kallsyms/kernel_symbol_map.cc",
+ ],
+}
+
+// GN: //src/traced/probes/ftrace/kallsyms:unittests
+filegroup {
+ name: "perfetto_src_traced_probes_ftrace_kallsyms_unittests",
+ srcs: [
+ "src/traced/probes/ftrace/kallsyms/kernel_symbol_map_unittest.cc",
+ ],
+}
+
// GN: //src/traced/probes/ftrace:test_messages_cpp
genrule {
name: "perfetto_src_traced_probes_ftrace_test_messages_cpp_gen",
@@ -6850,6 +6866,8 @@
":perfetto_src_traced_probes_filesystem_unittests",
":perfetto_src_traced_probes_ftrace_format_parser",
":perfetto_src_traced_probes_ftrace_ftrace",
+ ":perfetto_src_traced_probes_ftrace_kallsyms_kallsyms",
+ ":perfetto_src_traced_probes_ftrace_kallsyms_unittests",
":perfetto_src_traced_probes_ftrace_test_messages_cpp_gen",
":perfetto_src_traced_probes_ftrace_test_messages_lite_gen",
":perfetto_src_traced_probes_ftrace_test_messages_zero_gen",