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[bpf-next,12/17] selftests: xsk: decrease batch size

Message ID 20210727131753.10924-13-magnus.karlsson@gmail.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series selftests: xsk: various simplifications | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for bpf-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 9 maintainers not CCed: linux-kselftest@vger.kernel.org kpsingh@kernel.org hawk@kernel.org kafai@fb.com john.fastabend@gmail.com songliubraving@fb.com davem@davemloft.net shuah@kernel.org kuba@kernel.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link

Commit Message

Magnus Karlsson July 27, 2021, 1:17 p.m. UTC 
From: Magnus Karlsson <magnus.karlsson@intel.com>

Decrease the batch size from 64 to 8 to stress the system some more
and avoid potentially overflowing some buffers in the skb case.

Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
---
 tools/testing/selftests/bpf/xdpxceiver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h
index 0fb657b505ae..1c5457e9f1d6 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.h
+++ b/tools/testing/selftests/bpf/xdpxceiver.h
@@ -36,7 +36,7 @@ 
 #define UDP_PKT_DATA_SIZE (UDP_PKT_SIZE - sizeof(struct udphdr))
 #define USLEEP_MAX 10000
 #define SOCK_RECONF_CTR 10
-#define BATCH_SIZE 64
+#define BATCH_SIZE 8
 #define POLL_TMOUT 1000
 #define DEFAULT_PKT_CNT (4 * 1024)
 #define RX_FULL_RXQSIZE 32