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-rw-r--r--trace/simple.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/trace/simple.c b/trace/simple.c
index b700ea3..d83681b 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -55,7 +55,7 @@ static unsigned int trace_idx;
static unsigned int writeout_idx;
static uint64_t dropped_events;
static FILE *trace_fp;
-static char *trace_file_name = NULL;
+static char *trace_file_name;
/* * Trace buffer entry */
typedef struct {
@@ -70,7 +70,7 @@ typedef struct {
uint64_t header_event_id; /* HEADER_EVENT_ID */
uint64_t header_magic; /* HEADER_MAGIC */
uint64_t header_version; /* HEADER_VERSION */
-} TraceRecordHeader;
+} TraceLogHeader;
static void read_from_buffer(unsigned int idx, void *dataptr, size_t size);
@@ -231,13 +231,11 @@ int trace_record_start(TraceBufferRecord *rec, TraceEventID event, size_t datasi
}
idx = old_idx % TRACE_BUF_LEN;
- /* To check later if threshold crossed */
- rec->next_tbuf_idx = new_idx % TRACE_BUF_LEN;
rec_off = idx;
- rec_off = write_to_buffer(rec_off, (uint8_t*)&event, sizeof(event));
- rec_off = write_to_buffer(rec_off, (uint8_t*)&timestamp_ns, sizeof(timestamp_ns));
- rec_off = write_to_buffer(rec_off, (uint8_t*)&rec_len, sizeof(rec_len));
+ rec_off = write_to_buffer(rec_off, &event, sizeof(event));
+ rec_off = write_to_buffer(rec_off, &timestamp_ns, sizeof(timestamp_ns));
+ rec_off = write_to_buffer(rec_off, &rec_len, sizeof(rec_len));
rec->tbuf_idx = idx;
rec->rec_off = (idx + sizeof(TraceRecord)) % TRACE_BUF_LEN;
@@ -271,12 +269,11 @@ static unsigned int write_to_buffer(unsigned int idx, void *dataptr, size_t size
void trace_record_finish(TraceBufferRecord *rec)
{
- uint8_t temp_rec[sizeof(TraceRecord)];
- TraceRecord *record = (TraceRecord *) temp_rec;
- read_from_buffer(rec->tbuf_idx, temp_rec, sizeof(TraceRecord));
+ TraceRecord record;
+ read_from_buffer(rec->tbuf_idx, &record, sizeof(TraceRecord));
smp_wmb(); /* write barrier before marking as valid */
- record->event |= TRACE_RECORD_VALID;
- write_to_buffer(rec->tbuf_idx, temp_rec, sizeof(TraceRecord));
+ record.event |= TRACE_RECORD_VALID;
+ write_to_buffer(rec->tbuf_idx, &record, sizeof(TraceRecord));
if ((trace_idx - writeout_idx) > TRACE_BUF_FLUSH_THRESHOLD) {
flush_trace_file(false);
@@ -295,7 +292,7 @@ void st_set_trace_file_enabled(bool enable)
flush_trace_file(true);
if (enable) {
- static const TraceRecordHeader header = {
+ static const TraceLogHeader header = {
.header_event_id = HEADER_EVENT_ID,
.header_magic = HEADER_MAGIC,
/* Older log readers will check for version at next location */
@@ -332,18 +329,12 @@ bool st_set_trace_file(const char *file)
{
st_set_trace_file_enabled(false);
- free(trace_file_name);
+ g_free(trace_file_name);
if (!file) {
- if (asprintf(&trace_file_name, CONFIG_TRACE_FILE, getpid()) < 0) {
- trace_file_name = NULL;
- return false;
- }
+ trace_file_name = g_strdup_printf(CONFIG_TRACE_FILE, getpid());
} else {
- if (asprintf(&trace_file_name, "%s", file) < 0) {
- trace_file_name = NULL;
- return false;
- }
+ trace_file_name = g_strdup_printf("%s", file);
}
st_set_trace_file_enabled(true);