help me, what is this witchcraft

include/linux/olog.pb.h

@@ -0,0 +1,88 @@
+// Generated by the protocol buffer compiler for perflog!!  DO NOT EDIT!
+#ifndef _OLOG_PROTOCOL_BUFFER_H_
+#define _OLOG_PROTOCOL_BUFFER_H_
+
+//EnumGenerator::GenerateDefinition in perflog_enum.cc
+enum OlogTestEnum_Type {
+  PERFLOG_DEF = 0,
+  PERFLOG_LOG = 1,
+  PERFLOG_EVT = 2,
+  PERFLOG_WRN = 3,
+  PERFLOG_CRI = 4
+};
+#if defined(KPERFMON_KERNEL)
+int OlogTestEnum_Type_maxnum = 5;
+char * OlogTestEnum_Type_strings[5] = {
+  "DEF",
+  "LOG",
+  "EVT",
+  "WRN",
+  "CRI"
+};
+#endif //KPERFMON_KERNEL
+//EnumGenerator::GenerateDefinition in perflog_enum.cc
+enum OlogTestEnum_ID {
+  PERFLOG_UNKNOWN = 0,
+  PERFLOG_LCDV = 2,
+  PERFLOG_ARGOS = 3,
+  PERFLOG_APPLAUNCH = 4,
+  PERFLOG_LOADAPK = 5,
+  PERFLOG_MAINLOOPER = 6,
+  PERFLOG_EXCESSIVECPUUSAGE = 7,
+  PERFLOG_ACTIVITYSLOW = 8,
+  PERFLOG_BROADCAST = 9,
+  PERFLOG_STORE = 10,
+  PERFLOG_CPUTOP = 11,
+  PERFLOG_LCD = 12,
+  PERFLOG_CPU = 13,
+  PERFLOG_LOCKCONTENTION = 14,
+  PERFLOG_CPUFREQ = 15,
+  PERFLOG_MEMPRESSURE = 16,
+  PERFLOG_INPUTD = 17,
+  PERFLOG_AMPSS = 18,
+  PERFLOG_SERVICEMANAGERSLOW = 19,
+  PERFLOG_IPCSTARVE = 20,
+  PERFLOG_SCREENSHOT = 21,
+  PERFLOG_MUTEX = 22,
+  PERFLOG_SYSTEMSERVER = 23,
+  PERFLOG_PERFETTOLOGGINGENABLED = 24,
+  PERFLOG_BIGDATA = 25,
+  PERFLOG_PSI = 26,
+  PERFLOG_JANK = 27
+};
+#if defined(KPERFMON_KERNEL)
+int OlogTestEnum_ID_maxnum = 28;
+char * OlogTestEnum_ID_strings[28] = {
+  "UNKNOWN",
+  " ",
+  "LCDV",
+  "ARGOS",
+  "APPLAUNCH",
+  "LOADAPK",
+  "MAINLOOPER",
+  "EXCESSIVECPUUSAGE",
+  "ACTIVITYSLOW",
+  "BROADCAST",
+  "STORE",
+  "CPUTOP",
+  "LCD",
+  "CPU",
+  "LOCKCONTENTION",
+  "CPUFREQ",
+  "MEMPRESSURE",
+  "INPUTD",
+  "AMPSS",
+  "SERVICEMANAGERSLOW",
+  "IPCSTARVE",
+  "SCREENSHOT",
+  "MUTEX",
+  "SYSTEMSERVER",
+  "PERFETTOLOGGINGENABLED",
+  "BIGDATA",
+  "PSI",
+  "JANK"
+};
+#endif //KPERFMON_KERNEL
+
+#endif //_OLOG_PROTOCOL_BUFFER_H_
+

include/linux/ologk.h

@@ -0,0 +1,15 @@
+#ifndef _OLOG_KERNEL_H_
+#define _OLOG_KERNEL_H_
+
+#include <linux/unistd.h>
+#include "olog.pb.h"
+
+#define OLOG_CPU_FREQ_FILTER   1500000
+#define PERFLOG_MUTEX_THRESHOLD   20
+
+#define ologk(...) _perflog(PERFLOG_LOG, PERFLOG_UNKNOWN, __VA_ARGS__)
+#define perflog(...) _perflog(PERFLOG_LOG, __VA_ARGS__)
+extern void _perflog(int type, int logid, const char *fmt, ...);
+extern void perflog_evt(int logid, int arg1);
+
+#endif