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author | Jon Povey <jon.povey@racelogic.co.uk> | 2010-05-31 11:56:42 +0900 |
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committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-05-31 07:14:38 +0200 |
commit | d944a0bed73c63fe52cf546a7121823318e8b593 (patch) | |
tree | df52f3924e5a58043dcd5613b412c66a042f5df6 | |
parent | 86e851e1e263c79f19eb9db52553de99f19b8bb9 (diff) | |
download | openocd+libswd-d944a0bed73c63fe52cf546a7121823318e8b593.tar.gz openocd+libswd-d944a0bed73c63fe52cf546a7121823318e8b593.tar.bz2 openocd+libswd-d944a0bed73c63fe52cf546a7121823318e8b593.tar.xz openocd+libswd-d944a0bed73c63fe52cf546a7121823318e8b593.zip |
etm: print something when trace buffer empty
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>
-rw-r--r-- | src/target/etm.c | 5 |
1 files changed, 5 insertions, 0 deletions
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; |