From b8b1f19222b92409ea295863b12c080188cc9345 Mon Sep 17 00:00:00 2001
From: Konrad Sztyber <konrad.sztyber@intel.com>
Date: Wed, 16 Jun 2021 15:07:00 +0200
Subject: [PATCH] lib/trace: reduce trace entry size to 32B

Now that multiple trace entries can be chained together to form a larger
argument buffer, we can reduce the size of a single entry back to 32
bytes, while still allowing the user to pass multiple parameters.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: Ic92a1413498df28a8561a13c0f06d895d0af2cc6
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8407
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 include/spdk/trace.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/spdk/trace.h b/include/spdk/trace.h
index 4a29bb8c4..e8e28227d 100644
--- a/include/spdk/trace.h
+++ b/include/spdk/trace.h
@@ -54,13 +54,13 @@ struct spdk_trace_entry {
 	uint16_t	poller_id;
 	uint32_t	size;
 	uint64_t	object_id;
-	uint8_t		args[40];
+	uint8_t		args[8];
 };
 
 struct spdk_trace_entry_buffer {
 	uint64_t	tsc;
 	uint16_t	tpoint_id;
-	uint8_t		data[54];
+	uint8_t		data[22];
 };
 
 SPDK_STATIC_ASSERT(sizeof(struct spdk_trace_entry_buffer) == sizeof(struct spdk_trace_entry),