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uint8_t trace_buf[TRACE_BUF_LEN];

static unsigned int trace_idx;

static unsigned int writeout_idx;

static FILE *trace_fp;

static char *trace_file_name;

    uint64_t timestamp_ns;

    uint32_t length;   /*    in bytes */

    uint32_t reserved; /*    unused */

} TraceRecord;

typedef struct {

        uint8_t bytes[sizeof(TraceRecord) + sizeof(uint64_t)];

    } dropped;

    unsigned int idx = 0;

    size_t unused __attribute__ ((unused));

    for (;;) {

        if (dropped_events) {

            dropped.rec.event = DROPPED_EVENT_ID,

            dropped.rec.timestamp_ns = get_clock();

            dropped.rec.reserved = 0;

            while (1) {

                dropped_count = dropped_events;

                                                      dropped_count, 0)) {

                    break;

                }

            }

            unused = fwrite(&dropped.rec, dropped.rec.length, 1, trace_fp);

        }

        if (new_idx - writeout_idx > TRACE_BUF_LEN) {

            /* Trace Buffer Full, Event dropped ! */

            return -ENOSPC;

        }

                                              old_idx, new_idx)) {

            break;

        }