diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 08855608a..41985c711 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2022-10-25, Log: Refine the log interface. v5.0.82
 * v5.0, 2022-10-23, For [#3216](https://github.com/ossrs/srs/issues/3216): Support Google Address Sanitizer. v5.0.81
 * v5.0, 2022-10-21, Kernel: Support grab backtrace stack when assert fail. v5.0.80
 * v5.0, 2022-10-21, ST: Refine tools and CMakeLists.txt. Add backtrace example. v5.0.79
diff --git a/trunk/src/app/srs_app_log.cpp b/trunk/src/app/srs_app_log.cpp
index 95d355313..1db643503 100644
--- a/trunk/src/app/srs_app_log.cpp
+++ b/trunk/src/app/srs_app_log.cpp
@@ -30,7 +30,7 @@
 
 SrsFileLog::SrsFileLog()
 {
-    level = SrsLogLevelTrace;
+    level_ = SrsLogLevelTrace;
     log_data = new char[LOG_MAX_SIZE];
     
     fd = -1;
@@ -62,7 +62,7 @@ srs_error_t SrsFileLog::initialize()
         _srs_config->subscribe(this);
         
         log_to_file_tank = _srs_config->get_log_tank_file();
-        level = srs_get_log_level(_srs_config->get_log_level());
+        level_ = srs_get_log_level(_srs_config->get_log_level());
         utc = _srs_config->get_utc_time();
     }
     
@@ -82,141 +82,31 @@ void SrsFileLog::reopen()
     open_log_file();
 }
 
-void SrsFileLog::verbose(const char* tag, SrsContextId context_id, const char* fmt, ...)
+void SrsFileLog::log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args)
 {
+    if (level < level_ || level >= SrsLogLevelDisabled) {
+        return;
+    }
+
     SrsThreadLocker(mutex_);
 
-    if (level > SrsLogLevelVerbose) {
-        return;
-    }
-
     int size = 0;
-    if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Verb", &size)) {
+    bool header_ok = srs_log_header(
+        log_data, LOG_MAX_SIZE, utc, level >= SrsLogLevelWarn, tag, context_id, srs_log_level_strings[level], &size
+    );
+    if (!header_ok) {
         return;
     }
 
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
-    va_end(ap);
-
     // Something not expected, drop the log.
+    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, args);
     if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
         return;
     }
     size += r0;
 
-    write_log(fd, log_data, size, SrsLogLevelVerbose);
-}
-
-void SrsFileLog::info(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    SrsThreadLocker(mutex_);
-
-    if (level > SrsLogLevelInfo) {
-        return;
-    }
-
-    int size = 0;
-    if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Debug", &size)) {
-        return;
-    }
-
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
-        return;
-    }
-    size += r0;
-
-    write_log(fd, log_data, size, SrsLogLevelInfo);
-}
-
-void SrsFileLog::trace(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    SrsThreadLocker(mutex_);
-
-    if (level > SrsLogLevelTrace) {
-        return;
-    }
-
-    int size = 0;
-    if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, false, tag, context_id, "Trace", &size)) {
-        return;
-    }
-
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
-        return;
-    }
-    size += r0;
-
-    write_log(fd, log_data, size, SrsLogLevelTrace);
-}
-
-void SrsFileLog::warn(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    SrsThreadLocker(mutex_);
-
-    if (level > SrsLogLevelWarn) {
-        return;
-    }
-
-    int size = 0;
-    if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, true, tag, context_id, "Warn", &size)) {
-        return;
-    }
-
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
-        return;
-    }
-    size += r0;
-
-    write_log(fd, log_data, size, SrsLogLevelWarn);
-}
-
-void SrsFileLog::error(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    SrsThreadLocker(mutex_);
-
-    if (level > SrsLogLevelError) {
-        return;
-    }
-    
-    int size = 0;
-    if (!srs_log_header(log_data, LOG_MAX_SIZE, utc, true, tag, context_id, "Error", &size)) {
-        return;
-    }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(log_data + size, LOG_MAX_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= LOG_MAX_SIZE - size) {
-        return;
-    }
-    size += r0;
-    
-    // add strerror() to error msg.
-    // Check size to avoid security issue https://github.com/ossrs/srs/issues/1229
-    if (errno != 0 && size < LOG_MAX_SIZE) {
+    // Add errno and strerror() if error. Check size to avoid security issue https://github.com/ossrs/srs/issues/1229
+    if (level == SrsLogLevelError && errno != 0 && size < LOG_MAX_SIZE) {
         r0 = snprintf(log_data + size, LOG_MAX_SIZE - size, "(%s)", strerror(errno));
 
         // Something not expected, drop the log.
@@ -225,8 +115,8 @@ void SrsFileLog::error(const char* tag, SrsContextId context_id, const char* fmt
         }
         size += r0;
     }
-    
-    write_log(fd, log_data, size, SrsLogLevelError);
+
+    write_log(fd, log_data, size, level);
 }
 
 void SrsFileLog::write_log(int& fd, char *str_log, int size, int level)
diff --git a/trunk/src/app/srs_app_log.hpp b/trunk/src/app/srs_app_log.hpp
index 24824c64f..8c063f6cb 100644
--- a/trunk/src/app/srs_app_log.hpp
+++ b/trunk/src/app/srs_app_log.hpp
@@ -32,7 +32,7 @@ class SrsFileLog : public ISrsLog, public ISrsReloadHandler
 {
 private:
     // Defined in SrsLogLevel.
-    SrsLogLevel level;
+    SrsLogLevel level_;
 private:
     char* log_data;
     // Log to file if specified srs_log_file
@@ -51,11 +51,7 @@ public:
 public:
     virtual srs_error_t initialize();
     virtual void reopen();
-    virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...);
+    virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args);
 private:
     virtual void write_log(int& fd, char* str_log, int size, int level);
     virtual void open_log_file();
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 6d29ce820..b9bd1bd08 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    81
+#define VERSION_REVISION    82
 
 #endif
diff --git a/trunk/src/kernel/srs_kernel_log.cpp b/trunk/src/kernel/srs_kernel_log.cpp
index 8469c09fb..63c290f8b 100644
--- a/trunk/src/kernel/srs_kernel_log.cpp
+++ b/trunk/src/kernel/srs_kernel_log.cpp
@@ -6,6 +6,18 @@
 
 #include <srs_kernel_log.hpp>
 
+#include <stdarg.h>
+
+const char* srs_log_level_strings[] = {
+        "Forbidden",
+        "Verb",
+        "Debug", NULL,
+        "Trace", NULL, NULL, NULL,
+        "Warn", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        "Error", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        "Disabled",
+};
+
 ISrsLog::ISrsLog()
 {
 }
@@ -22,4 +34,15 @@ ISrsContext::~ISrsContext()
 {
 }
 
+void srs_logger_impl(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, ...)
+{
+    if (!_srs_log) return;
+
+    va_list args;
+    va_start(args, fmt);
+    _srs_log->log(level, tag, context_id, fmt, args);
+    va_end(args);
+}
+
+
 
diff --git a/trunk/src/kernel/srs_kernel_log.hpp b/trunk/src/kernel/srs_kernel_log.hpp
index f257d8601..43d04baf8 100644
--- a/trunk/src/kernel/srs_kernel_log.hpp
+++ b/trunk/src/kernel/srs_kernel_log.hpp
@@ -14,6 +14,7 @@
 #include <errno.h>
 #include <string.h>
 #include <string>
+#include <stdarg.h>
 
 #include <srs_kernel_consts.hpp>
 
@@ -33,6 +34,9 @@ enum SrsLogLevel
     SrsLogLevelDisabled = 0x20,
 };
 
+// Get the level in string.
+extern const char* srs_log_level_strings[];
+
 // The log interface provides method to write log.
 // but we provides some macro, which enable us to disable the log when compile.
 // @see also SmtDebug/SmtTrace/SmtWarn/SmtError which is corresponding to Debug/Trace/Warn/Fatal.
@@ -47,17 +51,8 @@ public:
     // Reopen the log file for log rotate.
     virtual void reopen() = 0;
 public:
-    // The log for verbose, very verbose information.
-    virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
-    // The log for debug, detail information.
-    virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
-    // The log for trace, important information.
-    virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
-    // The log for warn, warn is something should take attention, but not a error.
-    virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
-    // The log for error, something error occur, do something about the error, ie. close the connection,
-    // but we will donot abort the program.
-    virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...) = 0;
+    // Write a application level log. All parameters are required except the tag.
+    virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args) = 0;
 };
 
 // The logic context, for example, a RTMP connection, or RTC Session, etc.
@@ -82,26 +77,29 @@ public:
     virtual const SrsContextId& set_id(const SrsContextId& v) = 0;
 };
 
+// @global User must implements the LogContext and define a global instance.
+extern ISrsContext* _srs_context;
+
 // @global User must provides a log object
 extern ISrsLog* _srs_log;
 
-// @global User must implements the LogContext and define a global instance.
-extern ISrsContext* _srs_context;
+// Global log function implementation. Please use helper macros, for example, srs_trace or srs_error.
+extern void srs_logger_impl(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, ...);
 
 // Log style.
 // Use __FUNCTION__ to print c method
 // Use __PRETTY_FUNCTION__ to print c++ class:method
-#define srs_verbose(msg, ...) _srs_log->verbose(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_info(msg, ...)    _srs_log->info(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_trace(msg, ...)   _srs_log->trace(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_warn(msg, ...)    _srs_log->warn(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_error(msg, ...)   _srs_log->error(NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_verbose(msg, ...) srs_logger_impl(SrsLogLevelVerbose, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_info(msg, ...) srs_logger_impl(SrsLogLevelInfo, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_trace(msg, ...) srs_logger_impl(SrsLogLevelTrace, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_warn(msg, ...) srs_logger_impl(SrsLogLevelWarn, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_error(msg, ...) srs_logger_impl(SrsLogLevelError, NULL, _srs_context->get_id(), msg, ##__VA_ARGS__)
 // With tag.
-#define srs_verbose2(tag, msg, ...) _srs_log->verbose(tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_info2(tag, msg, ...)    _srs_log->info(tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_trace2(tag, msg, ...)   _srs_log->trace(tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_warn2(tag, msg, ...)    _srs_log->warn(tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
-#define srs_error2(tag, msg, ...)   _srs_log->error(tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_verbose2(tag, msg, ...) srs_logger_impl(SrsLogLevelVerbose, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_info2(tag, msg, ...) srs_logger_impl(SrsLogLevelInfo, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_trace2(tag, msg, ...) srs_logger_impl(SrsLogLevelTrace, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_warn2(tag, msg, ...) srs_logger_impl(SrsLogLevelWarn, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
+#define srs_error2(tag, msg, ...) srs_logger_impl(SrsLogLevelError, tag, _srs_context->get_id(), msg, ##__VA_ARGS__)
 
 // TODO: FIXME: Add more verbose and info logs.
 #ifndef SRS_VERBOSE
diff --git a/trunk/src/protocol/srs_protocol_log.cpp b/trunk/src/protocol/srs_protocol_log.cpp
index a80da9c70..6aec0cc44 100644
--- a/trunk/src/protocol/srs_protocol_log.cpp
+++ b/trunk/src/protocol/srs_protocol_log.cpp
@@ -106,7 +106,7 @@ impl_SrsContextRestore::~impl_SrsContextRestore()
 // LCOV_EXCL_START
 SrsConsoleLog::SrsConsoleLog(SrsLogLevel l, bool u)
 {
-    level = l;
+    level_ = l;
     utc = u;
     
     buffer = new char[SRS_BASIC_LOG_SIZE];
@@ -126,130 +126,26 @@ void SrsConsoleLog::reopen()
 {
 }
 
-void SrsConsoleLog::verbose(const char* tag, SrsContextId context_id, const char* fmt, ...)
+void SrsConsoleLog::log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args)
 {
-    if (level > SrsLogLevelVerbose) {
+    if (level < level_ || level >= SrsLogLevelDisabled) {
         return;
     }
     
     int size = 0;
-    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Verb", &size)) {
+    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, level >= SrsLogLevelWarn, tag, context_id, srs_log_level_strings[level], &size)) {
         return;
     }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
-    va_end(ap);
 
     // Something not expected, drop the log.
+    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, args);
     if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
         return;
     }
     size += r0;
-    
-    fprintf(stdout, "%s\n", buffer);
-}
 
-void SrsConsoleLog::info(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    if (level > SrsLogLevelInfo) {
-        return;
-    }
-    
-    int size = 0;
-    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Debug", &size)) {
-        return;
-    }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
-        return;
-    }
-    size += r0;
-    
-    fprintf(stdout, "%s\n", buffer);
-}
-
-void SrsConsoleLog::trace(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    if (level > SrsLogLevelTrace) {
-        return;
-    }
-    
-    int size = 0;
-    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, false, tag, context_id, "Trace", &size)) {
-        return;
-    }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
-        return;
-    }
-    size += r0;
-    
-    fprintf(stdout, "%s\n", buffer);
-}
-
-void SrsConsoleLog::warn(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    if (level > SrsLogLevelWarn) {
-        return;
-    }
-    
-    int size = 0;
-    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, true, tag, context_id, "Warn", &size)) {
-        return;
-    }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
-        return;
-    }
-    size += r0;
-    
-    fprintf(stderr, "%s\n", buffer);
-}
-
-void SrsConsoleLog::error(const char* tag, SrsContextId context_id, const char* fmt, ...)
-{
-    if (level > SrsLogLevelError) {
-        return;
-    }
-    
-    int size = 0;
-    if (!srs_log_header(buffer, SRS_BASIC_LOG_SIZE, utc, true, tag, context_id, "Error", &size)) {
-        return;
-    }
-    
-    va_list ap;
-    va_start(ap, fmt);
-    int r0 = vsnprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, fmt, ap);
-    va_end(ap);
-
-    // Something not expected, drop the log.
-    if (r0 <= 0 || r0 >= SRS_BASIC_LOG_SIZE - size) {
-        return;
-    }
-    size += r0;
-    
-    // add strerror() to error msg.
-    if (errno != 0) {
+    // Add errno and strerror() if error.
+    if (level == SrsLogLevelError && errno != 0) {
         r0 = snprintf(buffer + size, SRS_BASIC_LOG_SIZE - size, "(%s)", strerror(errno));
 
         // Something not expected, drop the log.
@@ -258,10 +154,13 @@ void SrsConsoleLog::error(const char* tag, SrsContextId context_id, const char*
         }
         size += r0;
     }
-    
-    fprintf(stderr, "%s\n", buffer);
+
+    if (level >= SrsLogLevelWarn) {
+        fprintf(stderr, "%s\n", buffer);
+    } else {
+        fprintf(stdout, "%s\n", buffer);
+    }
 }
-// LCOV_EXCL_STOP
 
 bool srs_log_header(char* buffer, int size, bool utc, bool dangerous, const char* tag, SrsContextId cid, const char* level, int* psize)
 {
diff --git a/trunk/src/protocol/srs_protocol_log.hpp b/trunk/src/protocol/srs_protocol_log.hpp
index ffd25e1c1..5e20cd12c 100644
--- a/trunk/src/protocol/srs_protocol_log.hpp
+++ b/trunk/src/protocol/srs_protocol_log.hpp
@@ -52,7 +52,7 @@ public:
 class SrsConsoleLog : public ISrsLog
 {
 private:
-    SrsLogLevel level;
+    SrsLogLevel level_;
     bool utc;
 private:
     char* buffer;
@@ -63,11 +63,7 @@ public:
 public:
     virtual srs_error_t initialize();
     virtual void reopen();
-    virtual void verbose(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void info(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void trace(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void warn(const char* tag, SrsContextId context_id, const char* fmt, ...);
-    virtual void error(const char* tag, SrsContextId context_id, const char* fmt, ...);
+    virtual void log(SrsLogLevel level, const char* tag, const SrsContextId& context_id, const char* fmt, va_list args);
 };
 
 // Generate the log header.
diff --git a/trunk/src/utest/srs_utest.cpp b/trunk/src/utest/srs_utest.cpp
index ea21b05dd..2c15cf541 100644
--- a/trunk/src/utest/srs_utest.cpp
+++ b/trunk/src/utest/srs_utest.cpp
@@ -102,7 +102,7 @@ GTEST_API_ int main(int argc, char **argv) {
 
 MockEmptyLog::MockEmptyLog(SrsLogLevel l)
 {
-    level = l;
+    level_ = l;
 }
 
 MockEmptyLog::~MockEmptyLog()
diff --git a/trunk/src/utest/srs_utest_kernel2.cpp b/trunk/src/utest/srs_utest_kernel2.cpp
index 03c822a33..0b9e57b50 100644
--- a/trunk/src/utest/srs_utest_kernel2.cpp
+++ b/trunk/src/utest/srs_utest_kernel2.cpp
@@ -313,3 +313,14 @@ VOID TEST(KernelPSTest, PsPacketHeaderClockDecode)
     }
 }
 
+VOID TEST(KernelLogTest, LogLevelString)
+{
+    EXPECT_STREQ("Forbidden",        srs_log_level_strings[SrsLogLevelForbidden]);
+    EXPECT_STREQ("Verb",        srs_log_level_strings[SrsLogLevelVerbose]);
+    EXPECT_STREQ("Debug",       srs_log_level_strings[SrsLogLevelInfo]);
+    EXPECT_STREQ("Trace",       srs_log_level_strings[SrsLogLevelTrace]);
+    EXPECT_STREQ("Warn",        srs_log_level_strings[SrsLogLevelWarn]);
+    EXPECT_STREQ("Error",       srs_log_level_strings[SrsLogLevelError]);
+    EXPECT_STREQ("Disabled",    srs_log_level_strings[SrsLogLevelDisabled]);
+}
+