log: set print level when enabling tracelogs

The default print level used by the apps is SPDK_LOG_NOTICE, which will
prevent the tracelogs from being shown.

Change-Id: I5f136e8aa0be0aa7634c7dd72231f2c23b129e51
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/368803
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

app/iscsi_tgt/iscsi_tgt.c

@@ -119,6 +119,7 @@ main(int argc, char **argv)
 				usage(argv[0]);
 				exit(EXIT_FAILURE);
 			}
+			print_level = SPDK_LOG_DEBUG;
 #ifndef DEBUG
 			fprintf(stderr, "%s must be built with CONFIG_DEBUG=y for -t flag\n",
 				argv[0]);

app/nvmf_tgt/nvmf_main.c

@@ -98,6 +98,7 @@ main(int argc, char **argv)
 				usage();
 				exit(EXIT_FAILURE);
 			}
+			print_level = SPDK_LOG_DEBUG;
 #ifndef DEBUG
 			fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -t flag.\n",
 				argv[0]);

app/vhost/vhost.c

@@ -122,6 +122,7 @@ main(int argc, char *argv[])
 				usage(argv[0]);
 				exit(EXIT_FAILURE);
 			}
+			print_level = SPDK_LOG_DEBUG;
 #ifndef DEBUG
 			fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -t flag.\n",
 				argv[0]);

examples/nvme/identify/identify.c

@@ -1025,6 +1025,7 @@ parse_args(int argc, char **argv)
 				usage(argv[0]);
 				exit(EXIT_FAILURE);
 			}
+			spdk_log_set_print_level(SPDK_LOG_DEBUG);
 #ifndef DEBUG
 			fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -t flag.\n",
 				argv[0]);

test/lib/nvme/aer/aer.c

@@ -245,6 +245,7 @@ parse_args(int argc, char **argv)
 				usage(argv[0]);
 				exit(EXIT_FAILURE);
 			}
+			spdk_log_set_print_level(SPDK_LOG_DEBUG);
 #ifndef DEBUG
 			fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -t flag.\n",
 				argv[0]);