[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/tools/perf/util/time-utils.c b/src/kernel/linux/v4.14/tools/perf/util/time-utils.c
new file mode 100644
index 0000000..81927d0
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/perf/util/time-utils.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <linux/time64.h>
+#include <time.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include "perf.h"
+#include "debug.h"
+#include "time-utils.h"
+
+int parse_nsec_time(const char *str, u64 *ptime)
+{
+ u64 time_sec, time_nsec;
+ char *end;
+
+ time_sec = strtoul(str, &end, 10);
+ if (*end != '.' && *end != '\0')
+ return -1;
+
+ if (*end == '.') {
+ int i;
+ char nsec_buf[10];
+
+ if (strlen(++end) > 9)
+ return -1;
+
+ strncpy(nsec_buf, end, 9);
+ nsec_buf[9] = '\0';
+
+ /* make it nsec precision */
+ for (i = strlen(nsec_buf); i < 9; i++)
+ nsec_buf[i] = '0';
+
+ time_nsec = strtoul(nsec_buf, &end, 10);
+ if (*end != '\0')
+ return -1;
+ } else
+ time_nsec = 0;
+
+ *ptime = time_sec * NSEC_PER_SEC + time_nsec;
+ return 0;
+}
+
+static int parse_timestr_sec_nsec(struct perf_time_interval *ptime,
+ char *start_str, char *end_str)
+{
+ if (start_str && (*start_str != '\0') &&
+ (parse_nsec_time(start_str, &ptime->start) != 0)) {
+ return -1;
+ }
+
+ if (end_str && (*end_str != '\0') &&
+ (parse_nsec_time(end_str, &ptime->end) != 0)) {
+ return -1;
+ }
+
+ return 0;
+}
+
+int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr)
+{
+ char *start_str, *end_str;
+ char *d, *str;
+ int rc = 0;
+
+ if (ostr == NULL || *ostr == '\0')
+ return 0;
+
+ /* copy original string because we need to modify it */
+ str = strdup(ostr);
+ if (str == NULL)
+ return -ENOMEM;
+
+ ptime->start = 0;
+ ptime->end = 0;
+
+ /* str has the format: <start>,<stop>
+ * variations: <start>,
+ * ,<stop>
+ * ,
+ */
+ start_str = str;
+ d = strchr(start_str, ',');
+ if (d) {
+ *d = '\0';
+ ++d;
+ }
+ end_str = d;
+
+ rc = parse_timestr_sec_nsec(ptime, start_str, end_str);
+
+ free(str);
+
+ /* make sure end time is after start time if it was given */
+ if (rc == 0 && ptime->end && ptime->end < ptime->start)
+ return -EINVAL;
+
+ pr_debug("start time %" PRIu64 ", ", ptime->start);
+ pr_debug("end time %" PRIu64 "\n", ptime->end);
+
+ return rc;
+}
+
+bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp)
+{
+ /* if time is not set don't drop sample */
+ if (timestamp == 0)
+ return false;
+
+ /* otherwise compare sample time to time window */
+ if ((ptime->start && timestamp < ptime->start) ||
+ (ptime->end && timestamp > ptime->end)) {
+ return true;
+ }
+
+ return false;
+}
+
+int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz)
+{
+ u64 sec = timestamp / NSEC_PER_SEC;
+ u64 usec = (timestamp % NSEC_PER_SEC) / NSEC_PER_USEC;
+
+ return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec);
+}
+
+int fetch_current_timestamp(char *buf, size_t sz)
+{
+ struct timeval tv;
+ struct tm tm;
+ char dt[32];
+
+ if (gettimeofday(&tv, NULL) || !localtime_r(&tv.tv_sec, &tm))
+ return -1;
+
+ if (!strftime(dt, sizeof(dt), "%Y%m%d%H%M%S", &tm))
+ return -1;
+
+ scnprintf(buf, sz, "%s%02u", dt, (unsigned)tv.tv_usec / 10000);
+
+ return 0;
+}