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net: rds: add option for GCOV profiling

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To better our unit tests we need code coverage to be part of the kernel.
This patch borrows heavily from how CONFIG_GCOV_PROFILE_FTRACE is
implemented

Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vegard Nossum 2024-08-06 08:38:08 -07:00 committed by David S. Miller
parent a0f6e5e9f1
commit bc75dcc3ce
2 changed files with 14 additions and 0 deletions
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9
net/rds/Kconfig
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@ -26,3 +26,12 @@ config RDS_DEBUG
bool "RDS debugging messages"
depends on RDS
default n
config GCOV_PROFILE_RDS
bool "Enable GCOV profiling on RDS"
depends on GCOV_KERNEL
help
Enable GCOV profiling on RDS for checking which functions/lines
are executed.
If unsure, say N.

5
net/rds/Makefile
View File

@ -15,3 +15,8 @@ rds_tcp-y := tcp.o tcp_connect.o tcp_listen.o tcp_recv.o \
tcp_send.o tcp_stats.o
ccflags-$(CONFIG_RDS_DEBUG) := -DRDS_DEBUG
# for GCOV coverage profiling
ifdef CONFIG_GCOV_PROFILE_RDS
GCOV_PROFILE := y
endif