1 files changed, 107 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_log.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_log.c
new file mode 100644
index 000000000..78c058065
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_log.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "bh_log.h"
+
+/**
+ * The verbose level of the log system.  Only those verbose logs whose
+ * levels are less than or equal to this value are outputed.
+ */
+static uint32 log_verbose_level = BH_LOG_LEVEL_WARNING;
+
+void
+bh_log_set_verbose_level(uint32 level)
+{
+    log_verbose_level = level;
+}
+
+void
+bh_log(LogLevel log_level, const char *file, int line, const char *fmt, ...)
+{
+    va_list ap;
+    korp_tid self;
+    char buf[32] = { 0 };
+    uint64 usec;
+    uint32 t, h, m, s, mills;
+
+    if ((uint32)log_level > log_verbose_level)
+        return;
+
+    self = os_self_thread();
+
+    usec = os_time_get_boot_microsecond();
+    t = (uint32)(usec / 1000000) % (24 * 60 * 60);
+    h = t / (60 * 60);
+    t = t % (60 * 60);
+    m = t / 60;
+    s = t % 60;
+    mills = (uint32)(usec % 1000);
+
+    snprintf(buf, sizeof(buf),
+             "%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32 ":%03" PRIu32, h, m, s,
+             mills);
+
+    os_printf("[%s - %" PRIXPTR "]: ", buf, (uintptr_t)self);
+
+    if (file)
+        os_printf("%s, line %d, ", file, line);
+
+    va_start(ap, fmt);
+    os_vprintf(fmt, ap);
+    va_end(ap);
+
+    os_printf("\n");
+}
+
+static uint32 last_time_ms = 0;
+static uint32 total_time_ms = 0;
+
+void
+bh_print_time(const char *prompt)
+{
+    uint32 curr_time_ms;
+
+    if (log_verbose_level < 3)
+        return;
+
+    curr_time_ms = (uint32)bh_get_tick_ms();
+
+    if (last_time_ms == 0)
+        last_time_ms = curr_time_ms;
+
+    total_time_ms += curr_time_ms - last_time_ms;
+
+    os_printf("%-48s time of last stage: %" PRIu32 " ms, total time: %" PRIu32
+              " ms\n",
+              prompt, curr_time_ms - last_time_ms, total_time_ms);
+
+    last_time_ms = curr_time_ms;
+}
+
+void
+bh_print_proc_mem(const char *prompt)
+{
+    char buf[1024] = { 0 };
+
+    if (log_verbose_level < BH_LOG_LEVEL_DEBUG)
+        return;
+
+    if (os_dumps_proc_mem_info(buf, sizeof(buf)) != 0)
+        return;
+
+    os_printf("%s\n", prompt);
+    os_printf("===== memory usage =====\n");
+    os_printf("%s", buf);
+    os_printf("==========\n");
+    return;
+}
+
+void
+bh_log_proc_mem(const char *function, uint32 line)
+{
+    char prompt[128] = { 0 };
+    snprintf(prompt, sizeof(prompt), "[MEM] %s(...) L%" PRIu32, function, line);
+    bh_print_proc_mem(prompt);
+}