From 6b8ca50e846c8eaf11979631f8c8d4dd03b984da Mon Sep 17 00:00:00 2001
From: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Date: Tue, 27 Nov 2018 05:45:12 -0500
Subject: [PATCH] app/trace: don't use shm_name when using file_name during
 remaping trace

Change-Id: I9449d40ff31039f3f59bc60c956592e0e565437a
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/435114
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
---
 app/trace/trace.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/trace/trace.cpp b/app/trace/trace.cpp
index 2c6f4e8b9..e25325d31 100644
--- a/app/trace/trace.cpp
+++ b/app/trace/trace.cpp
@@ -383,7 +383,7 @@ int main(int argc, char **argv)
 	munmap(history_ptr, sizeof(*g_histories));
 	history_ptr = mmap(NULL, trace_histories_size, PROT_READ, MAP_SHARED, fd, 0);
 	if (history_ptr == MAP_FAILED) {
-		fprintf(stderr, "Could not mmap shm %s.\n", shm_name);
+		fprintf(stderr, "Could not mmap %s.\n", file_name ? file_name : shm_name);
 		usage();
 		exit(-1);
 	}