From ad23f75c1f283758beedf555adafd193714d0644 Mon Sep 17 00:00:00 2001
From: Krzysztof Karas <krzysztof.karas@intel.com>
Date: Mon, 27 Sep 2021 10:31:41 +0000
Subject: [PATCH] app/trace: include relation information while printing json

Add relation information to printed json traces to later read them
in trace.py.

Change-Id: I090b7ffa2b85da00b6ad57825c7208dd5cfc396a
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9637
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@gmail.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
---
 app/trace/trace.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/app/trace/trace.cpp b/app/trace/trace.cpp
index 7432d0932..6eeb4724f 100644
--- a/app/trace/trace.cpp
+++ b/app/trace/trace.cpp
@@ -243,6 +243,14 @@ print_event_json(struct spdk_trace_parser_entry *entry, uint64_t tsc_rate, uint6
 		spdk_json_write_named_uint64(g_json, "value", e->object_id);
 		spdk_json_write_object_end(g_json);
 	}
+
+	/* Print related objects array */
+	if (entry->related_index != UINT64_MAX) {
+		spdk_json_write_named_string_fmt(g_json, "related", "%c%" PRIu64,
+						 g_flags->object[entry->related_type].id_prefix,
+						 entry->related_index);
+	}
+
 	if (d->num_args > 0) {
 		spdk_json_write_named_array_begin(g_json, "args");
 		for (i = 0; i < d->num_args; ++i) {