initial checkin of tool to analyze libosmocore logging latencyHEADmaster

1 files changed, 22 insertions, 0 deletions

diff --git a/libosmo-log.bt b/libosmo-log.bt
new file mode 100755
index 0000000..a1b697f
--- /dev/null
+++ b/libosmo-log.bt
@@ -0,0 +1,22 @@
+#!/usr/bin/env bpftrace
+
+BEGIN
+{
+	printf("Tracing libosmocore log latency... Hit Ctrl-C to end.\n");
+}
+
+usdt:/usr/local/lib/libosmocore.so.16.0.0:libosmocore:log_start
+{
+	@start[tid] = nsecs;
+}
+
+usdt:/usr/local/lib/libosmocore.so.16.0.0:libosmocore:log_done
+{
+	@usecs = hist((nsecs - @start[tid]) / 1000);
+	delete(@start[tid]);
+}
+
+END
+{
+	clear(@start);
+}