From d944a0bed73c63fe52cf546a7121823318e8b593 Mon Sep 17 00:00:00 2001
From: Jon Povey <jon.povey@racelogic.co.uk>
Date: Mon, 31 May 2010 11:56:42 +0900
Subject: etm: print something when trace buffer empty
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ETM analyze produced no output when the trace buffer was empty.
This patch provides users with a clue.
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
---
src/target/etm.c | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'src/target')
diff --git a/src/target/etm.c b/src/target/etm.c
index 4f4bf9a4..61ee99a0 100644
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -882,6 +882,11 @@ static int etmv1_analyze_trace(struct etm_context *ctx, struct command_context *
if (ctx->trace_depth == 0)
ctx->capture_driver->read_trace(ctx);
+ if (ctx->trace_depth == 0) {
+ command_print(cmd_ctx, "Trace is empty.");
+ return ERROR_OK;
+ }
+
/* start at the beginning of the captured trace */
ctx->pipe_index = 0;
ctx->data_index = 0;
--
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