X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=tools%2Fperf%2Futil%2Ftime-utils.c;h=5b5d0214debdcb99c563c84abe4d98746ff6a518;hb=12c1c2fd780a9a5581105fcb6f251466cf35af2a;hp=d1b21c72206d8b1a6a52697adb3091ff09e81ec2;hpb=a564394660a0d7c6b5423b5d41ae6d0a2fd21191;p=karo-tx-linux.git

diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c
index d1b21c72206d..5b5d0214debd 100644
--- a/tools/perf/util/time-utils.c
+++ b/tools/perf/util/time-utils.c
@@ -117,3 +117,28 @@ bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp)
 
 	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;
+}